Merge branch 'dev' of https://github.com/rerdavies/pipedal into dev

.vscode/launch.json

@@ -142,7 +142,7 @@
                 //"[pipedal_alsa_test]"
                 // "[wifi_channels_test]"
                 // "[locale]"
-                "[pipedal_alsa_seq_test]"
+                "[pipewire_input_stream]"
             ],
 
             "stopAtEntry": false,

CMakeLists.txt

@@ -11,6 +11,7 @@ set (DISPLAY_VERSION "PiPedal v1.4.76-Release")
 set (PACKAGE_ARCHITECTURE ${DEBIAN_ARCHITECTURE})
 set (CMAKE_INSTALL_PREFIX "/usr/")
 
+set (PIPEDAL_EXCLUDE_TESTS false)
 include(CTest)
 enable_testing()
 

PiPedalCommon/src/AlsaSequencer.cpp

@@ -24,18 +24,113 @@
 #include "AlsaSequencer.hpp"
 #include <vector>
 #include <string>
+#include <regex>
 #include "ss.hpp"
+#include <alsa/asoundlib.h>
+#include <alsa/seq.h>
+#include <stdexcept>
+#include <poll.h>
+#include <cstring>
+#include "Finally.hpp"
+#include "Lv2Log.hpp"
+#include <mutex>
+#include <thread>
 
 // enumerate alsa sequencer ports
 
 namespace pipedal
 {
+
+    namespace impl
+    {
+
+        enum class ConnectAction
+        {
+            Subscribe,
+            Unsubscribe
+        };
+
+        class AlsaSequencerImpl : public AlsaSequencer
+        {
+        public:
+            AlsaSequencerImpl();
+
+        public:
+            ~AlsaSequencerImpl();
+
+            virtual void ConnectPort(int clientId, int portId) override;
+            virtual void ConnectPort(const std::string &name) override;
+            virtual void SetConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration) override;
+
+            // Read a single MIDI message from the sequencer input port. A timeout of -1 blocks indefinitely.
+            // A timeout of 0 returns immediately.
+            virtual bool ReadMessage(AlsaMidiMessage &message, int timeoutMs = -1) override;
+
+            // Get current real-time from the queue (useful for calculating precise timing)
+            virtual bool GetQueueRealtime(uint64_t *sec, uint32_t *nsec) override;
+
+            virtual void RemoveAllConnections() override;
+
+        private:
+            void ModifyConnection(int clientId, int portId, ConnectAction action);
+
+            // Get the current queue ID (returns -1 if no queue is active)
+            int GetQueueId() const { return queueId; }
+
+            bool WaitForMessage(int timeoutMs);
+            // Create an ALSA input queue with real-time timestamps for the given client/port
+            int CreateRealtimeInputQueue();
+
+            struct Connection
+            {
+                int clientId;
+                int portId;
+            };
+
+            int myClientId = -1;
+
+            std::mutex connectionsMutex;
+            std::vector<Connection> connections;
+            std::vector<struct pollfd> pollFds; // For polling input events
+            snd_seq_t *seqHandle = nullptr;
+            int inPort = -1;
+            int queueId = -1; // Queue for real-time timestamps
+        };
+
+        class AlsaSequencerDeviceMonitorImpl : public AlsaSequencerDeviceMonitor
+        {
+
+        public:
+            virtual ~AlsaSequencerDeviceMonitorImpl() override;
+
+            virtual void StartMonitoring(
+                Callback &&onChangeCallback) override;
+            virtual void StopMonitoring() override;
+
+        private:
+            int CreateInputQueue(snd_seq_t *seqHandle, int inPort);
+
+            bool started = false;
+            void ServiceProc();
+            std::unique_ptr<std::jthread> serviceThread;
+            std::atomic<bool> terminateThread{false};
+            Callback callback;
+        };
+
+    };
+    using namespace impl;
+
+    AlsaSequencer::ptr AlsaSequencer::Create()
+    {
+        return std::make_shared<AlsaSequencerImpl>();
+    }
+
     std::vector<AlsaSequencerPort> AlsaSequencer::EnumeratePorts()
     {
         std::vector<AlsaSequencerPort> ports;
 
         snd_seq_t *seq;
-        if (snd_seq_open(&seq, "default", SND_SEQ_OPEN_INPUT, 0) < 0)
+        if (snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0)
         {
             return ports;
         }
@@ -81,8 +176,11 @@ namespace pipedal
                 port.canReadSubscribe = capability & SND_SEQ_PORT_CAP_SUBS_READ;
                 port.canWriteSubscribe = capability & SND_SEQ_PORT_CAP_SUBS_WRITE;
                 auto typeBits = snd_seq_port_info_get_type(port_info);
-
+#ifdef SND_SEQ_PORT_TYPE_MIDI_UMP
                 port.isUmp = (typeBits & SND_SEQ_PORT_TYPE_MIDI_UMP) != 0;
+#else
+                port.isUmp = false; // UMP support is not available in all versions of ALSA
+#endif
                 port.isSystemAnnounce = (typeBits & SND_SEQ_PORT_SYSTEM_ANNOUNCE) != 0;
                 port.isMidiSynth = (typeBits & SND_SEQ_PORT_TYPE_MIDI_GENERIC) != 0 ||
                                    (typeBits & SND_SEQ_PORT_TYPE_MIDI_GM) != 0 ||
@@ -92,19 +190,61 @@ namespace pipedal
                 port.isSpecific = (typeBits & SND_SEQ_PORT_TYPE_SPECIFIC) != 0;
                 port.isSynth = (typeBits & SND_SEQ_PORT_TYPE_SYNTH) != 0;
                 port.isHardware = (typeBits & SND_SEQ_PORT_TYPE_HARDWARE) != 0;
+                port.isPort = (typeBits & SND_SEQ_PORT_TYPE_PORT) != 0;
                 port.isSoftware = (typeBits & SND_SEQ_PORT_TYPE_SOFTWARE) != 0;
-
+                port.isVirtual = port.name.starts_with("VirMIDI");
                 port.cardNumber = snd_seq_client_info_get_card(client_info);
                 port.port = snd_seq_port_info_get_port(port_info);
 
-                if (port.isKernelDevice & port.cardNumber >= 0 && port.port >= 0)
+                if (port.isKernelDevice && port.isPort && port.cardNumber >= 0 && port.port >= 0)
                 {
                     // For kernel devices, we can construct a raw MIDI device string
-                    port.rawMidiDevice = SS("hw:" << port.cardNumber << ",0," << port.port);
+                    std::string rawMidiDevice;
+                    if (port.isVirtual)
+                    {
+                        // "VirMidI 2-1"
+                        std::regex virtualDeviceRegex{"^(VirMIDI) (\\d+)-(\\d+)$"};
+                        {
+                            // Extract the card and device numbers from the match
+                            std::smatch match;
+                            std::regex_search(port.name, match, virtualDeviceRegex);
+                            if (match.size() == 4)
+                            {
+                                try
+                                {
+                                    std::string devName = match[1];
+                                    int card = std::stoi(match[2]);
+                                    int device = std::stoi(match[3]);
+                                    rawMidiDevice = SS("hw:CARD=" << devName << ",DEV=" << device);
+                                }
+                                catch (const std::exception &ignored)
+                                {
+                                }
+                            }
+                        }
+                    }
+                    else
+                    {
+                        rawMidiDevice = SS("hw:CARD=" << port.clientName << ",DEV=" << 0);
+                        if (port.port > 0)
+                        {
+                            rawMidiDevice += SS("," << port.port);
+                        }
+                    }
+                    port.rawMidiDevice = std::move(rawMidiDevice);
                 }
                 port.id = SS("seq:" << port.clientName << "/" << port.name);
 
-                ports.push_back(port);
+                port.displaySortOrder = port.client * 256 + port.port;
+                if (port.isVirtual)
+                {
+                    port.displaySortOrder += 1 * 256 * 256; // MIDI virtual ports after real ports.
+                }
+                else if (port.clientName == "Midi Through")
+                {
+                    port.displaySortOrder += 2 * 256 * 256; // MIDI Through at the very end because it's weird.
+                }
+                ports.push_back(std::move(port));
             }
         }
 
@@ -112,7 +252,7 @@ namespace pipedal
         return ports;
     }
 
-    AlsaSequencer::AlsaSequencer()
+    AlsaSequencerImpl::AlsaSequencerImpl()
     {
         seqHandle = nullptr;
         queueId = -1;
@@ -125,24 +265,48 @@ namespace pipedal
             // convert rc to message
             throw std::runtime_error(SS("Failed to open ALSA sequencer:" << snd_strerror(rc)));
         }
+        size_t inputBufferSize = snd_seq_get_input_buffer_size(seqHandle);
+        (void)inputBufferSize;
+
+        rc = snd_seq_set_input_buffer_size(seqHandle, 128 * 1024);
+        if (rc < 0)
+        {
+            Lv2Log::warning("Failed resize the ALSA sequencer input buffer: %s", snd_strerror(rc));
+        }
         snd_seq_set_client_name(seqHandle, "PiPedal");
 
         inPort = snd_seq_create_simple_port(seqHandle, "PiPedal:in",
-                                        SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE,
+                                            SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE,
-                                        SND_SEQ_PORT_TYPE_MIDI_GENERIC |
+                                            SND_SEQ_PORT_TYPE_MIDI_GENERIC |
-                                            SND_SEQ_PORT_TYPE_MIDI_GM | SND_SEQ_PORT_TYPE_APPLICATION);
+                                                SND_SEQ_PORT_TYPE_MIDI_GM | SND_SEQ_PORT_TYPE_APPLICATION);
         if (inPort < 0)
         {
             // convert rc to message
             throw std::runtime_error(SS("Failed to open ALSA sequencer:" << snd_strerror(inPort)));
         }
-    }
+        CreateRealtimeInputQueue();
-    AlsaSequencer::~AlsaSequencer()
+
-    {
+        snd_seq_nonblock(seqHandle, 1); // Set sequencer to non-blocking mode
-        for (const auto &connection : connections)
+
+        // Get our client and port numbers for reference
+        myClientId = snd_seq_client_id(seqHandle);
+        if (myClientId < 0)
         {
-            snd_seq_disconnect_from(seqHandle, inPort, connection.clientId, connection.portId);
+            throw std::runtime_error(SS("Failed to get client ID: " << snd_strerror(myClientId)));
         }
+    }
+    void AlsaSequencerImpl::RemoveAllConnections()
+    {
+        while (connections.size() != 0)
+        {
+            auto connection = connections.back();
+            ModifyConnection(connection.clientId, connection.portId, ConnectAction::Unsubscribe);
+        }
+    }
+    AlsaSequencerImpl::~AlsaSequencerImpl()
+    {
+        RemoveAllConnections();
+
         if (queueId >= 0)
         {
             snd_seq_free_queue(seqHandle, queueId);
@@ -160,25 +324,17 @@ namespace pipedal
         }
     }
 
-    void AlsaSequencer::ConnectPort(int clientId, int portId)
+    void AlsaSequencerImpl::ConnectPort(int clientId, int portId)
     {
-
+        ModifyConnection(clientId, portId, ConnectAction::Subscribe);
-        CreateRealtimeInputQueue();
-        // Connect this input port to the target client:port
-        int rc = snd_seq_connect_from(seqHandle, inPort, clientId, portId);
-        if (rc < 0)
-        {
-            throw std::runtime_error(SS("Failed to connect to ALSA port: " << snd_strerror(rc)));
-        }
-        this->connections.push_back({clientId, portId});
     }
 
-    void AlsaSequencer::ConnectPort(const std::string &name)
+    void AlsaSequencerImpl::ConnectPort(const std::string &id)
     {
         auto ports = EnumeratePorts();
         for (const auto &port : ports)
         {
-            if (port.name == name)
+            if (port.id == id)
             {
                 ConnectPort(port.client, port.port);
                 return;
@@ -186,73 +342,303 @@ namespace pipedal
         }
         throw std::runtime_error("ALSA port not found");
     }
+    void AlsaSequencerImpl::SetConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration)
+    {
+        this->RemoveAllConnections(); // Currently no configuration options to set
 
-    bool AlsaSequencer::ReadMessage(AlsaMidiMessage &message)
+        auto ports = EnumeratePorts();
+        for (const auto &connection : alsaSequencerConfiguration.connections())
+        {
+            // Connect to each port specified in the configuration
+            std::string id = connection.id();
+            for (const auto &port : ports)
+            {
+                if (port.id == id)
+                {
+                    ConnectPort(port.client, port.port);
+                    break;
+                }
+            }
+        }
+    }
+
+    bool AlsaSequencerImpl::WaitForMessage(int timeoutMs)
+    {
+        while (true)
+        {
+            auto fdCount = snd_seq_poll_descriptors_count(seqHandle, POLLIN);
+            if (fdCount == 0)
+                return true;
+            this->pollFds.resize(fdCount);
+
+            snd_seq_poll_descriptors(seqHandle, pollFds.data(), fdCount, POLLIN);
+
+            int rc = poll(pollFds.data(), fdCount, timeoutMs);
+            if (rc == 0)
+            {
+                return false; // timed out.
+            }
+            else if (rc < 0)
+            {
+                if (errno == EINTR)
+                {
+                    continue;
+                }
+                else
+                {
+                    throw std::runtime_error(SS("ALSA sequencer poll error: " << strerror(errno)));
+                }
+            }
+            else
+            {
+                return true;
+            }
+        }
+    }
+    bool AlsaSequencerImpl::ReadMessage(AlsaMidiMessage &message, int timeoutMs)
     {
         // Event loop
         snd_seq_event_t *event = nullptr;
-        bool success = false;
+        while (true)
-        if (snd_seq_event_input(seqHandle, &event) >= 0 && event)
         {
-            success = true;
+            bool success = false;
-            // Extract timestamp information
+            int rc = snd_seq_event_input(seqHandle, &event);
-            message.timestamp = event->time.tick;
+            if (rc < 0)
-            message.realtime_sec = event->time.time.tv_sec;
-            message.realtime_nsec = event->time.time.tv_nsec;
-
-            // Process MIDI event here, e.g. NOTEON, NOTEOFF, etc.
-            switch (event->type)
             {
-            case SND_SEQ_EVENT_NOTEON:
+                if (rc == -EAGAIN)
-                message.cc0 = 0x90 | event->data.note.channel; // channel
+                {
-                message.cc1 = event->data.note.note;           // note
+                    if (!WaitForMessage(timeoutMs))
-                message.cc2 = event->data.note.velocity;       // velocity
+                    {
-                break;
+                        return false;
-            case SND_SEQ_EVENT_NOTEOFF:
+                    }
-                // handle note-off
+                }
-                message.cc0 = 0x80 | event->data.note.channel; // channel
+                else
-                message.cc1 = event->data.note.note;           // note
+                {
-                message.cc2 = event->data.note.off_velocity;   // off velocity
+                    // Handle other errors
-                break;
+                    throw std::runtime_error(SS("ALSA sequencer input error: " << snd_strerror(rc)));
-            case SND_SEQ_EVENT_KEYPRESS:
+                }
-                message.cc0 = 0xA0 | event->data.note.channel; // polyphonic key pressure
+            }
-                message.cc1 = event->data.note.note;           // note
+            else if (event)
-                message.cc2 = event->data.note.velocity;       // pressure
+            {
-                break;
+                success = true;
-            case SND_SEQ_EVENT_CONTROLLER:
+                // Extract timestamp information
-                message.cc0 = 0xB0 | event->data.control.channel; // control change
+                message.timestamp = event->time.tick;
-                message.cc1 = event->data.control.param;          // controller number
+                message.realtime_sec = event->time.time.tv_sec;
-                message.cc2 = event->data.control.value;          // controller value
+                message.realtime_nsec = event->time.time.tv_nsec;
-                break;
+
-            case SND_SEQ_EVENT_PGMCHANGE:
+                // Process MIDI event here, e.g. NOTEON, NOTEOFF, etc.
-                message.cc0 = 0xC0 | event->data.control.channel; // program change
+                switch (event->type)
-                message.cc1 = event->data.control.value;          // program number
+                {
-                message.cc2 = 0;                                  // unused
+                case SND_SEQ_EVENT_NOTEON:
-                break;
+                    message.Set(
-            case SND_SEQ_EVENT_CHANPRESS:
+                        (uint8_t)(0x90 | event->data.note.channel),
-                message.cc0 = 0xD0 | event->data.control.channel; // channel pressure
+                        (uint8_t)(event->data.note.note),      // note
-                message.cc1 = event->data.control.value;          // pressure value
+                        (uint8_t)(event->data.note.velocity)); // velocity
-                message.cc2 = 0;                                  // unused
+                    break;
-                break;
+                case SND_SEQ_EVENT_NOTEOFF:
-            case SND_SEQ_EVENT_PITCHBEND:
+                    // handle note-off
-                message.cc0 = 0xE0 | event->data.control.channel;      // pitch bend
+                    message.Set(
-                message.cc1 = (event->data.control.value >> 7) & 0x7F; // MSB
+                        uint8_t(0x80 | event->data.note.channel),
-                message.cc2 = event->data.control.value & 0x7F;        // LSB
+                        uint8_t(event->data.note.note),
-                break;
+                        uint8_t(event->data.note.off_velocity)); // off velocity
-            case SND_SEQ_EVENT_CONTROL14:
+                    break;
-            case SND_SEQ_EVENT_NONREGPARAM:
+                case SND_SEQ_EVENT_KEYPRESS:
-            case SND_SEQ_EVENT_REGPARAM:
+                    message.Set(
-            case SND_SEQ_EVENT_SONGPOS:
+                        (uint8_t)(0xA0 | event->data.note.channel), // polyphonic key pressure
-            default:
+                        (uint8_t)(event->data.note.note),           // note
-                success = false;
+                        (uint8_t)(event->data.note.velocity));      // pressure
-                break;
+                    break;
+                case SND_SEQ_EVENT_CONTROLLER:
+                    message.Set(
+                        (uint8_t)(0xB0 | event->data.control.channel), // control change
+                        (uint8_t)(event->data.control.param),          // controller number
+                        (uint8_t)(event->data.control.value));         // controller value
+                    break;
+                case SND_SEQ_EVENT_PGMCHANGE:
+                    message.Set(
+                        (uint8_t)(0xC0 | event->data.control.channel), // program change
+                        (uint8_t)(event->data.control.value));
+                    break;
+
+                case SND_SEQ_EVENT_CHANPRESS:
+                    message.Set(
+                        uint8_t(0xD0 | event->data.control.channel),
+                        uint8_t(event->data.control.value));
+                    break;
+                case SND_SEQ_EVENT_PITCHBEND:
+                    message.Set(uint8_t(0xE0 | event->data.control.channel),
+                                uint8_t((event->data.control.value >> 7) & 0x7F),
+                                uint8_t(event->data.control.value & 0x7F));
+                    break;
+                case SND_SEQ_EVENT_CONTROL14:
+                    message.size = 6;
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = uint8_t(0xB0 | event->data.control.channel);    // Control Change 14-bit
+                    message.fixedBuffer[1] = uint8_t(event->data.control.param);             // MSB
+                    message.fixedBuffer[2] = uint8_t(event->data.control.param >> 7) & 0x7F; // MSB
+                    message.fixedBuffer[3] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[4] = uint8_t(event->data.control.value + 0x20);
+                    message.fixedBuffer[5] = uint8_t(event->data.control.value) & 0x7F; // MSB value
+                    break;
+
+                case SND_SEQ_EVENT_NONREGPARAM:
+                    message.size = 12;
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = uint8_t(0xB0 | event->data.control.channel);    // Non-registered parameter
+                    message.fixedBuffer[1] = 0x63;                                           // MSB
+                    message.fixedBuffer[2] = uint8_t(event->data.control.param >> 7) & 0x7F; // MSB
+                    message.fixedBuffer[3] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[4] = 0x62;                                      // LSB
+                    message.fixedBuffer[5] = uint8_t(event->data.control.param) & 0x7F; // LSB
+                    message.fixedBuffer[6] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[7] = uint8_t(0x06);                                  // Non-registered parameter value MSB
+                    message.fixedBuffer[8] = uint8_t(event->data.control.value >> 7) & 0x7F; // MSB value
+                    message.fixedBuffer[9] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[10] = uint8_t(0x26);                             // Non-registered parameter value LSB
+                    message.fixedBuffer[11] = uint8_t(event->data.control.value) & 0x7F; // LSb
+                    break;
+                case SND_SEQ_EVENT_REGPARAM:
+                    message.size = 12;
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = uint8_t(0xB0 | event->data.control.channel);    // Registered parameter
+                    message.fixedBuffer[1] = uint8_t(0x65);                                  // MSB
+                    message.fixedBuffer[2] = uint8_t(event->data.control.param >> 7) & 0x7F; // MSB
+                    message.fixedBuffer[3] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[4] = uint8_t(0x64);                             // LSB
+                    message.fixedBuffer[5] = uint8_t(event->data.control.param) & 0x7F; // LSB
+                    message.fixedBuffer[6] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[7] = uint8_t(0x6);                                   // Registered parameter value MSB
+                    message.fixedBuffer[8] = uint8_t(event->data.control.value >> 7) & 0x7F; // MSB value
+                    message.fixedBuffer[9] = uint8_t(0xB0 | event->data.control.channel);
+                    message.fixedBuffer[10] = uint8_t(0x26);                             // Registered parameter value LSB
+                    message.fixedBuffer[11] = uint8_t(event->data.control.value) & 0x7F; // LSB value
+                    break;
+                case SND_SEQ_EVENT_SONGPOS:
+                    message.Set(
+                        0xF2,
+                        (uint8_t)((event->data.control.value >> 7) & 0x7F), // MSB
+                        (uint8_t)(event->data.control.value & 0x7F)         // LSB
+                    );
+                    break;
+                case SND_SEQ_EVENT_SONGSEL:
+                    message.Set(
+                        0xF3,
+                        (uint8_t)((event->data.control.value >> 7) & 0x7F), // MSB
+                        (uint8_t)(event->data.control.value & 0x7F)         // LSB
+                    );
+                    break;
+                case SND_SEQ_EVENT_QFRAME:
+                    message.Set(
+                        0xF1,
+                        (uint8_t)((event->data.control.value >> 7) & 0x7F), // MSB
+                        (uint8_t)(event->data.control.value & 0x7F)         // LSB
+                    );
+                    break;
+                case SND_SEQ_EVENT_START:
+                    message.Set(0xFA); // MIDI Real Time Start
+                    break;
+                case SND_SEQ_EVENT_CONTINUE:
+                    message.Set(0xFB); // MIDI Real Time Continue
+                    break;
+                case SND_SEQ_EVENT_STOP:
+                    message.Set(0xFC); // MIDI Real Time Stop
+                    break;
+                case SND_SEQ_EVENT_TICK:
+                    message.Set(0xF8); // MIDI Real Time Clock Tick
+                    break;
+                case SND_SEQ_EVENT_SENSING:
+                    message.Set(0xFE); // MIDI Real Time Active Sensing
+                    break;
+                case SND_SEQ_EVENT_RESET:
+                    message.Set(0xFF); // MIDI Real Time System Reset
+                    break;
+                case SND_SEQ_EVENT_SYSEX:
+                    // Handle SysEx messages
+                    if (event->data.ext.len > 0 && event->data.ext.len + 2 <= sizeof(message.fixedBuffer))
+                    {
+                        message.size = event->data.ext.len + 1; // +1 for SysEx
+                        message.data = message.fixedBuffer;
+                        message.fixedBuffer[0] = 0xF0; // Start of SysEx
+                        memcpy(message.fixedBuffer + 1, event->data.ext.ptr, event->data.ext.len);
+                        message.fixedBuffer[event->data.ext.len + 1] = 0xF7; // End of SysEx
+                    }
+                    else
+                    {
+                        message.size = event->data.ext.len;
+                        message.data = (uint8_t *)event->data.ext.ptr;
+                        if (message.data[0] != 0xF0)
+                        {
+                            throw std::logic_error("Invalid SysEx message: does not start with 0xF0");
+                        }
+                    }
+                    break;
+                case SND_SEQ_EVENT_SETPOS_TICK:
+                    message.size = 3 + sizeof(event->data.queue.param.value); // Tempo events are usually 3 bytes
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = 0xFF;                                    // Meta event type for tempo
+                    message.fixedBuffer[1] = (uint8_t)MetaEventType::SetPositionTick; // Meta event subtype for tempo
+                    message.fixedBuffer[2] = (uint8_t)(event->data.queue.queue);      // MSB
+                    memcpy(message.fixedBuffer + 3, &event->data.queue.param.value, sizeof(event->data.queue.param.value));
+                    break;
+                case SND_SEQ_EVENT_SETPOS_TIME:
+                    message.size = 3 + sizeof(event->data.queue.param.time); // Tempo events are usually 3 bytes
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = 0xFF;                                    // Meta event type for tempo
+                    message.fixedBuffer[1] = (uint8_t)MetaEventType::SetPositionTime; // Meta event subtype for tempo
+                    message.fixedBuffer[2] = (uint8_t)(event->data.queue.queue);
+                    memcpy(message.fixedBuffer + 3, &event->data.queue.param.time, sizeof(event->data.queue.param.time));
+                    break;
+                case SND_SEQ_EVENT_TEMPO:
+                    // Handle tempo events
+                    message.size = sizeof(event->data.queue.param.value) + 3; // Tempo events are usually 3 bytes
+                    if (message.size > sizeof(message.fixedBuffer))
+                    {
+                        throw std::logic_error("Tempo event size exceeds fixed buffer size");
+                    }
+                    message.data = message.fixedBuffer;
+                    message.fixedBuffer[0] = 0xFF;                          // Meta event type for tempo
+                    message.fixedBuffer[1] = (uint8_t)MetaEventType::Tempo; // Meta event subtype for tempo
+                    message.fixedBuffer[2] = (uint8_t)(event->data.queue.queue);
+                    memcpy(message.fixedBuffer + 3, &event->data.queue.param.value, sizeof(event->data.queue.param.value));
+                    break;
+
+                case SND_SEQ_EVENT_CLOCK:
+                    message.Set(0xF8); // MIDI Real Time Clock Tick
+                    break;
+#ifndef NDEBUG
+#define MSG_DEBUG_LOG(x)                            \
+    case x:                                         \
+        Lv2Log::debug("ALSA Sequencer Message" #x); \
+        break;
+#else
+#define MSG_DEBUG_LOG(x)
+#endif
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_CLIENT_START)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_CLIENT_EXIT)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_CLIENT_CHANGE)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_PORT_START)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_PORT_EXIT)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_PORT_CHANGE)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_PORT_SUBSCRIBED)
+                    MSG_DEBUG_LOG(SND_SEQ_EVENT_PORT_UNSUBSCRIBED)
+
+                case SND_SEQ_EVENT_KEYSIGN:
+                case SND_SEQ_EVENT_TIMESIGN:
+                    // and a PASSEL of others!
+                default:
+                    success = false;
+                    break;
+                }
+                snd_seq_free_event(event);
+            }
+            if (success)
+            {
+                return true;
             }
-            snd_seq_free_event(event);
         }
-        return success;
     }
 
-    int AlsaSequencer::CreateRealtimeInputQueue()
+    int AlsaSequencerImpl::CreateRealtimeInputQueue()
     {
         if (!seqHandle)
         {
@@ -291,8 +677,6 @@ namespace pipedal
                 throw std::runtime_error(SS("Failed to start queue: " << snd_strerror(rc)));
             }
 
- 
-
             // Set the queue for input timestamping
             snd_seq_port_info_t *port_info;
             snd_seq_port_info_alloca(&port_info);
@@ -321,7 +705,7 @@ namespace pipedal
 
         return queueId;
     }
-    bool AlsaSequencer::GetQueueRealtime(uint64_t *sec, uint32_t *nsec)
+    bool AlsaSequencerImpl::GetQueueRealtime(uint64_t *sec, uint32_t *nsec)
     {
         if (!seqHandle || queueId < 0)
         {
@@ -345,4 +729,307 @@ namespace pipedal
 
         return true;
     }
-}
+
+    std::string RawMidiIdToSequencerId(const std::vector<AlsaSequencerPort> &seqDevices, const std::string &rawMidiId)
+    {
+        for (const auto &device : seqDevices)
+        {
+            if (device.rawMidiDevice == rawMidiId)
+            {
+                return device.id;
+            }
+        }
+        return {};
+    }
+
+    void AlsaSequencerImpl::ModifyConnection(int clientId, int portId, ConnectAction action)
+    {
+        std::lock_guard<std::mutex> lock(connectionsMutex);
+
+        // use our own seq handle so that we can do this free-threaded.
+        snd_seq_t *seq;
+        if (snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0)
+        {
+            throw std::runtime_error("Failed to open ALSA sequencer for connection");
+        }
+        Finally seq_finally([seq]()
+                            { snd_seq_close(seq); });
+
+
+        snd_seq_addr_t sender, dest;
+        dest.client = myClientId;
+        dest.port = 0;
+        sender.client = clientId;
+        sender.port = portId;
+
+        snd_seq_port_subscribe_t *subs;
+        int queue = this->queueId;
+
+        snd_seq_port_subscribe_alloca(&subs);
+        snd_seq_port_subscribe_set_sender(subs, &sender);
+        snd_seq_port_subscribe_set_dest(subs, &dest);
+        snd_seq_port_subscribe_set_queue(subs, queue);
+        snd_seq_port_subscribe_set_exclusive(subs, 0);
+
+        if (action == ConnectAction::Unsubscribe)
+        {
+            if (snd_seq_get_port_subscription(seq, subs) < 0)
+            {
+                Lv2Log::warning(
+                    "Failed to disconnect ALSA sequencer port %d:%d. Subscripton not found.",
+                    (int)clientId,
+                    (int)portId);
+            }
+            else
+            {
+                int rc = snd_seq_unsubscribe_port(seq, subs);
+                if (rc < 0)
+                {
+                    Lv2Log::warning(
+                        "Failed to disconnect ALSA sequencer port %d:%d. (%s)",
+                        (int)clientId,
+                        (int)portId,
+                        snd_strerror(rc));
+                }
+            }
+            for (auto it = this->connections.begin(); it != this->connections.end(); ++it)
+            {
+                if (it->clientId == clientId && it->portId == portId)
+                {
+                    it = this->connections.erase(it);
+                    break;
+                }
+            }
+        }
+        else
+        {
+            if (snd_seq_get_port_subscription(seq, subs) == 0)
+            {
+                Lv2Log::warning("ALSA sequencer port  %d:%d is already subscribed.", (int)clientId, (int)portId);
+                return;
+            }
+            int rc = snd_seq_subscribe_port(seq, subs);
+            if (rc < 0)
+            {
+                Lv2Log::error("Failed to connect ALSA sequencer port %d:%d. (%s)",
+                              (int)clientId, (int)portId,
+                              snd_strerror(rc));
+                return;
+            }
+            this->connections.push_back({clientId, portId});
+        }
+    }
+
+    AlsaSequencerDeviceMonitor::ptr AlsaSequencerDeviceMonitor::Create()
+    {
+        return std::make_shared<AlsaSequencerDeviceMonitorImpl>();
+    }
+
+    void AlsaSequencerDeviceMonitorImpl::StartMonitoring(
+        Callback &&onChangeCallback)
+    {
+        started = true;
+        this->callback = std::move(onChangeCallback);
+        this->serviceThread = std::make_unique<std::jthread>(
+            [this]()
+            {
+                ServiceProc();
+            });
+    }
+    void AlsaSequencerDeviceMonitorImpl::ServiceProc()
+    {
+        int err;
+        snd_seq_t *seqHandle;
+
+        err = snd_seq_open(&seqHandle, "default", SND_SEQ_OPEN_DUPLEX, 0);
+
+        Finally seq_finally(
+            [seqHandle]()
+            {
+                snd_seq_close(seqHandle);
+            });
+        if (err < 0)
+        {
+            Lv2Log::error("Error opening ALSA Device Monitor sequencer: %s", snd_strerror(err));
+            return;
+        }
+        snd_seq_set_client_name(seqHandle, "Device Monitor");
+
+        int inPort = snd_seq_create_simple_port(
+            seqHandle, "PiPedal:portMonitor",
+                        SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE,
+                        SND_SEQ_PORT_TYPE_APPLICATION);
+        if (inPort < 0)
+        {
+            Lv2Log::error("Error creating ALSA Device Monitor port: %s", snd_strerror(inPort));
+            return;
+        }
+        Finally inPort_finaly {
+            [seqHandle, inPort]()
+            {
+                snd_seq_delete_port(seqHandle, inPort);
+            }
+        };
+
+        // Set client name
+
+        int queueId = CreateInputQueue(seqHandle,inPort);
+        if (queueId < 0)
+        {
+            Lv2Log::error("Error creating ALSA Device Monitor queue: %s", snd_strerror(queueId));
+            return;
+        }
+        Finally queue_finally(
+            [seqHandle, queueId]()
+            {
+                snd_seq_free_queue(seqHandle, queueId);
+            }); 
+
+        // Subscribe to system announcements
+        snd_seq_port_subscribe_t *subscription;
+        snd_seq_port_subscribe_alloca(&subscription);
+        snd_seq_addr_t sender, dest;
+
+        sender.client = SND_SEQ_CLIENT_SYSTEM;
+        sender.port = SND_SEQ_PORT_SYSTEM_ANNOUNCE;
+        dest.client = snd_seq_client_id(seqHandle);
+        dest.port = inPort;
+
+        snd_seq_port_subscribe_set_sender(subscription, &sender);
+        snd_seq_port_subscribe_set_dest(subscription, &dest);
+        err = snd_seq_subscribe_port(seqHandle, subscription);
+        if (err < 0)
+        {
+            Lv2Log::error("Failed to subscribe to ALSA sequencer announcements: %s", snd_strerror(err));
+            return;
+        }
+
+        // Create poll descriptors
+        std::vector<struct pollfd> pollFds;
+
+        snd_seq_nonblock(seqHandle, 1); // Set sequencer to non-blocking mode
+        while (!terminateThread)
+        {
+            int nPollFds = snd_seq_poll_descriptors_count(seqHandle, POLLIN);
+            pollFds.resize(nPollFds);
+            snd_seq_poll_descriptors(seqHandle, pollFds.data(), nPollFds, POLLIN);
+
+            // Poll for events
+            if (poll(pollFds.data(), nPollFds, 100) > 0)
+            {
+                snd_seq_event_t *event;
+                while (snd_seq_event_input(seqHandle, &event) > 0)
+                {
+                    if (event->type == SND_SEQ_EVENT_CLIENT_START)
+                    {
+                        // Get the client name for logging/debugging
+                        snd_seq_client_info_t *client_info;
+                        snd_seq_client_info_alloca(&client_info);
+                        if (snd_seq_get_any_client_info(seqHandle, event->data.addr.client, client_info) >= 0) {
+                            std::string clientName = snd_seq_client_info_get_name(client_info);
+                            callback(MonitorAction::DeviceAdded, event->data.addr.client, clientName);
+                        }
+                    }
+                    else if (event->type == SND_SEQ_EVENT_CLIENT_EXIT)
+                    {
+                        callback(MonitorAction::DeviceRemoved, event->data.addr.client,"");
+                    }
+                    snd_seq_free_event(event);
+                }
+            }
+        }
+
+        return;
+    }
+
+    void AlsaSequencerDeviceMonitorImpl::StopMonitoring()
+    {
+        if (started)
+        {
+            started = false;
+            terminateThread = true;
+            serviceThread = nullptr; // (joins)
+        }
+    }
+
+    AlsaSequencerDeviceMonitorImpl::~AlsaSequencerDeviceMonitorImpl()
+    {
+        StopMonitoring();
+    }
+
+    int AlsaSequencerDeviceMonitorImpl::CreateInputQueue(snd_seq_t *seqHandle, int inPort)
+    {
+        if (!seqHandle)
+        {
+            throw std::runtime_error("ALSA sequencer not initialized");
+        }
+
+        // Create a new queue if we don't have one yet
+        int queueId = -1;
+        {
+            queueId = snd_seq_alloc_named_queue(seqHandle, "PiPedal Device Monitor Queue");
+            if (queueId < 0)
+            {
+                throw std::runtime_error(SS("Failed to create ALSA queue: " << snd_strerror(queueId)));
+            }
+
+            // Set queue timing to real-time mode
+            snd_seq_queue_tempo_t *tempo;
+            snd_seq_queue_tempo_alloca(&tempo);
+            snd_seq_queue_tempo_set_tempo(tempo, 120); // 120 BPM default
+            snd_seq_queue_tempo_set_ppq(tempo, 96);    // 96 ticks per quarter note
+
+            int rc = snd_seq_set_queue_tempo(seqHandle, queueId, tempo);
+            if (rc < 0)
+            {
+                snd_seq_free_queue(seqHandle, queueId);
+                throw std::runtime_error(SS("Failed to set queue tempo: " << snd_strerror(rc)));
+            }
+
+            // Start the queue
+            rc = snd_seq_start_queue(seqHandle, queueId, nullptr);
+            if (rc < 0)
+            {
+                snd_seq_free_queue(seqHandle, queueId);
+                throw std::runtime_error(SS("Failed to start queue: " << snd_strerror(rc)));
+            }
+
+            // Set the queue for input timestamping
+            snd_seq_port_info_t *port_info;
+            snd_seq_port_info_alloca(&port_info);
+
+            rc = snd_seq_get_port_info(seqHandle, inPort, port_info);
+            if (rc < 0)
+            {
+                snd_seq_free_queue(seqHandle, queueId);
+                throw std::runtime_error(SS("Failed to get port info: " << snd_strerror(rc)));
+            }
+
+            // Enable timestamping on the input port
+            snd_seq_port_info_set_timestamping(port_info, 1);
+            snd_seq_port_info_set_timestamp_real(port_info, 1);
+            snd_seq_port_info_set_timestamp_queue(port_info, queueId);
+
+            rc = snd_seq_set_port_info(seqHandle, inPort, port_info);
+            if (rc < 0)
+            {
+                snd_seq_free_queue(seqHandle, queueId);
+                throw std::runtime_error(SS("Failed to set port timestamping: " << snd_strerror(rc)));
+            }
+            return queueId;
+        }
+
+        return queueId;
+    }
+
+    JSON_MAP_BEGIN(AlsaSequencerPortSelection)
+    JSON_MAP_REFERENCE(AlsaSequencerPortSelection, id)
+    JSON_MAP_REFERENCE(AlsaSequencerPortSelection, name)
+    JSON_MAP_REFERENCE(AlsaSequencerPortSelection, sortOrder)
+    JSON_MAP_END()
+
+    JSON_MAP_BEGIN(AlsaSequencerConfiguration)
+    JSON_MAP_REFERENCE(AlsaSequencerConfiguration, connections)
+    JSON_MAP_END()
+
+} // namespace pipedal

PiPedalCommon/src/CMakeLists.txt

@@ -41,6 +41,7 @@ message(STATUS "NMPIPEDAL CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
 
 # Use the sdbus-c++ target in SDBusCpp namespace
 add_library(PiPedalCommon STATIC
+  include/Finally.hpp
   include/dbus/org.freedesktop.NetworkManager.Device.Statistics.hpp
   include/dbus/org.freedesktop.NetworkManager.Settings.Connection.hpp
   include/dbus/org.freedesktop.NetworkManager.IP6Config.hpp

PiPedalCommon/src/HtmlHelper.cpp

@@ -44,9 +44,9 @@ std::string HtmlHelper::timeToHttpDate(std::filesystem::file_time_type time)
 {
 
     // Convert to time_t.
-    std::chrono::system_clock::time_point system_time = std::chrono::clock_cast<std::chrono::system_clock>(time);
+    auto sctp = std::chrono::time_point_cast<std::chrono::system_clock::duration>(time - std::filesystem::file_time_type::clock::now() + std::chrono::system_clock::now());
 
-    auto time_t_value = std::chrono::system_clock::to_time_t(system_time);
+    auto time_t_value = std::chrono::system_clock::to_time_t(sctp);
     return timeToHttpDate(time_t_value);
 }
 

PiPedalCommon/src/WifiConfigSettings.cpp

@@ -89,7 +89,6 @@ bool WifiConfigSettings::ValidateCountryCode(const std::string &text)
     return std::isalpha(text[0]) && std::isalpha(text[1]);
 }
 
-
 void WifiConfigSettings::Load()
 {
     try
@@ -115,9 +114,9 @@ void WifiConfigSettings::Load()
 }
 
 static void openWithPerms(
-    pipedal::ofstream_synced &f, 
+    pipedal::ofstream_synced &f,
-    const std::filesystem::path &path, 
+    const std::filesystem::path &path,
-    std::filesystem::perms perms = 
+    std::filesystem::perms perms =
         std::filesystem::perms::owner_read | std::filesystem::perms::owner_write |
         std::filesystem::perms::group_read | std::filesystem::perms::group_write)
 {
@@ -132,13 +131,16 @@ static void openWithPerms(
             f.open(path);
             f.close();
         }
-        try {
+        try
+        {
             // set the perms.
             std::filesystem::permissions(
                 path,
                 perms,
-                std::filesystem::perm_options::replace); 
+                std::filesystem::perm_options::replace);
-        } catch (const std::exception&) {
+        }
+        catch (const std::exception &)
+        {
             Lv2Log::warning(SS("Failed to set permissions on" << path << "."));
         }
     }
@@ -147,10 +149,10 @@ static void openWithPerms(
     f.open(path);
 }
 
-void WifiConfigSettings::Save() 
+void WifiConfigSettings::Save()
 {
-    WifiConfigSettings newSettings {*this};
+    WifiConfigSettings newSettings{*this};
-    
+
     // sync legacy settings, just in case i don't know what.
     newSettings.mdnsName_ = newSettings.hotspotName_;
     newSettings.enable_ = newSettings.IsEnabled();
@@ -163,12 +165,12 @@ void WifiConfigSettings::Save()
         newSettings.password_ = oldSettings.password_;
     }
     newSettings.hasSavedPassword_ = newSettings.hasPassword_;
-    
+
     try
     {
         ofstream_synced f;
-        openWithPerms(f,CONFIG_PATH);
+        openWithPerms(f, CONFIG_PATH);
-        json_writer writer(f,false);
+        json_writer writer(f, false);
         writer.write(&newSettings);
     }
     catch (const std::exception &e)
@@ -300,17 +302,14 @@ namespace pipedal::priv
             connection["ipv4"]["method"] = sdbus::Variant(std::string("shared"));
             connection["ipv6"]["method"] = sdbus::Variant(std::string("ignore"));
 
-
+            connection["ipv4"]["address-data"] = sdbus::Variant(std::vector<std::map<std::string, sdbus::Variant>>{{{"address", sdbus::Variant("192.168.4.1")},
-            connection["ipv4"]["address-data"] = sdbus::Variant(std::vector<std::map<std::string, sdbus::Variant>>{{
+                                                                                                                    {"prefix", sdbus::Variant(uint32_t(24))}}});
-                    {"address", sdbus::Variant("192.168.4.1")},
-                    {"prefix", sdbus::Variant(uint32_t(24))}
-            }});                    
             connection["ipv4"]["dhcp-send-hostname"] = sdbus::Variant(true);
             connection["ipv4"]["dhcp-hostname"] = sdbus::Variant("raspberrypi");
             connection["ipv4"]["dhcp-options"] = sdbus::Variant(std::vector<std::string>{
                 "option:classless-static-route,192.168.4.0/24,0.0.0.0,0.0.0.0/0,192.168.4.1"
                 //"option:classless-static-route,192.168.4.0/24,192.168.4.1"
-    });
+            });
 
             auto connection_path = AddConnection(connection);
             return connection_path;
@@ -326,7 +325,6 @@ namespace pipedal::priv
             return active_connection_path;
         }
 
-
         void RemoveConnection(const std::string &connection)
         {
             auto connection_proxy = sdbus::createProxy(
@@ -429,7 +427,6 @@ namespace pipedal::priv
     };
 }
 
-
 JSON_MAP_BEGIN(WifiConfigSettings)
 // v0
 JSON_MAP_REFERENCE(WifiConfigSettings, valid)
@@ -560,52 +557,51 @@ bool WifiConfigSettings::ValidateChannel(const std::string &countryCode, const s
     return true;
 }
 
-static const char* trueValues[] {
+static const char *trueValues[]{
     "true",
     "on",
     "yes"
     "1",
-    nullptr
+    nullptr};
-};
+static const char *falseValues[]{
-static const char* falseValues[] {
     "false",
     "off",
     "no",
     "0",
-    nullptr
+    nullptr};
-};
 
-static bool Matches(const std::string&value, const char**matches)
+static bool Matches(const std::string &value, const char **matches)
 {
-    while(*matches)
+    while (*matches)
     {
-        if (value == *matches) return true;
+        if (value == *matches)
+            return true;
         ++matches;
     }
     return false;
 }
 
-static bool TryStringToBool(const std::string &value, bool*outputValue)
+static bool TryStringToBool(const std::string &value, bool *outputValue)
 {
-    if (Matches(value,trueValues)) 
+    if (Matches(value, trueValues))
     {
         *outputValue = true;
         return true;
     }
-    if (Matches(value, falseValues)) {
+    if (Matches(value, falseValues))
+    {
         *outputValue = false;
         return true;
     }
     *outputValue = false;
     return false;
-
 }
 
-static WifiConfigSettings::ssid_t readSsid(std::istream&ss)
+static WifiConfigSettings::ssid_t readSsid(std::istream &ss)
 {
     using ssid_t = WifiConfigSettings::ssid_t;
     char c;
-    
+
     ssid_t result;
     while (ss.peek() == ' ')
     {
@@ -624,28 +620,33 @@ static WifiConfigSettings::ssid_t readSsid(std::istream&ss)
                     break;
                 }
                 ss >> c;
-                switch (c) {
+                switch (c)
-                    case 'n':
+                {
-                        result.push_back((uint8_t)'\n');
+                case 'n':
-                        break;
+                    result.push_back((uint8_t)'\n');
-                    case 'r':
+                    break;
-                        result.push_back((uint8_t)'\r');
+                case 'r':
-                        break;
+                    result.push_back((uint8_t)'\r');
-                    case 't':
+                    break;
-                        result.push_back((uint8_t)'\t');
+                case 't':
-                        break;
+                    result.push_back((uint8_t)'\t');
-                    case 'b':
+                    break;
-                        result.push_back((uint8_t)'\b');
+                case 'b':
-                        break;
+                    result.push_back((uint8_t)'\b');
-                    default:
+                    break;
-                        result.push_back((uint8_t)c);
+                default:
-                        break;
+                    result.push_back((uint8_t)c);
+                    break;
                 }
-            } else {
+            }
+            else
+            {
                 result.push_back((uint8_t)c);
             }
         }
-    } else {
+    }
+    else
+    {
         while (!ss.eof())
         {
             if (c == ':')
@@ -662,7 +663,7 @@ static WifiConfigSettings::ssid_t readSsid(std::istream&ss)
     }
     return result;
 }
-static std::vector<WifiConfigSettings::ssid_t> stringToSsidArray(const std::string&value)
+static std::vector<WifiConfigSettings::ssid_t> stringToSsidArray(const std::string &value)
 {
     using ssid_t = WifiConfigSettings::ssid_t;
     std::istringstream ss(value);
@@ -671,7 +672,7 @@ static std::vector<WifiConfigSettings::ssid_t> stringToSsidArray(const std::stri
     while (true)
     {
         ssid_t ssid = readSsid(ss);
-        if (ssid.size() == 0) 
+        if (ssid.size() == 0)
         {
             break;
         }
@@ -683,16 +684,15 @@ static std::vector<WifiConfigSettings::ssid_t> stringToSsidArray(const std::stri
         }
     }
     return result;
-
 }
 void WifiConfigSettings::ParseArguments(
     const std::vector<std::string> &argv,
     HotspotAutoStartMode startMode,
     const std::string homeNetworkSsid
 
-    )
+)
 {
-    this->valid_ = false ;
+    this->valid_ = false;
     if (argv.size() != 4)
     {
         throw invalid_argument("Invalid number of arguments.");
@@ -714,7 +714,6 @@ void WifiConfigSettings::ParseArguments(
     this->hasPassword_ = this->password_.length() != 0;
     this->hasSavedPassword_ = oldSettings.hasSavedPassword_;
 
-
     if (!ValidateCountryCode(this->countryCode_))
     {
         throw invalid_argument("Invalid country code.");
@@ -723,7 +722,7 @@ void WifiConfigSettings::ParseArguments(
         throw invalid_argument("Hotspot name is too long.");
     if (this->hotspotName_.length() < 1)
         throw invalid_argument("Hotspot name is too short.");
-    
+
     if (this->password_.size() != 0 && this->password_.size() < 8)
         throw invalid_argument("Passphrase must be at least 8 characters long.");
 
@@ -742,12 +741,12 @@ void WifiConfigSettings::ParseArguments(
     this->valid_ = true;
 }
 
-bool WifiConfigSettings::ConfigurationChanged(const WifiConfigSettings&other) const
+bool WifiConfigSettings::ConfigurationChanged(const WifiConfigSettings &other) const
 {
     return !(
         this->valid_ == other.valid_ &&
-        //this->rebootRequired_ == other.rebootRequired_ &&
+        // this->rebootRequired_ == other.rebootRequired_ &&
-        //this->enable_ == other.enable_ &&
+        // this->enable_ == other.enable_ &&
         this->countryCode_ == other.countryCode_ &&
         this->hotspotName_ == other.hotspotName_ &&
         this->hasPassword_ == other.hasPassword_ &&
@@ -756,20 +755,18 @@ bool WifiConfigSettings::ConfigurationChanged(const WifiConfigSettings&other) co
 
         this->homeNetwork_ == other.homeNetwork_ &&
         this->autoStartMode_ == other.autoStartMode_ &&
-        this->hasSavedPassword_ == other.hasSavedPassword_
+        this->hasSavedPassword_ == other.hasSavedPassword_);
-    );
-
 }
-bool WifiConfigSettings::operator==(const WifiConfigSettings&other) const
+bool WifiConfigSettings::operator==(const WifiConfigSettings &other) const
 {
     return !ConfigurationChanged(other) && this->wifiWarningGiven_ == other.wifiWarningGiven_;
 }
 
-static bool CanSeeHomeNetwork(const std::string&home, const std::vector<std::string>&availableNetworks)
+static bool CanSeeHomeNetwork(const std::string &home, const std::vector<std::string> &availableNetworks)
 {
-    for (const auto &availableNetwork: availableNetworks)
+    for (const auto &availableNetwork : availableNetworks)
     {
-        if (availableNetwork == home) 
+        if (availableNetwork == home)
         {
             return true;
         }
@@ -778,38 +775,39 @@ static bool CanSeeHomeNetwork(const std::string&home, const std::vector<std::str
 }
 
 bool WifiConfigSettings::WantsHotspot(
-    bool ethernetConnected, 
+    bool ethernetConnected,
     const std::vector<std::string> &availableRememberedNetworks,
     const std::vector<std::string> &availableNetworks)
 {
-    if ((!this->valid_)) 
+    if ((!this->valid_))
         return false;
-    
+
     HotspotAutoStartMode autoStartMode = (HotspotAutoStartMode)this->autoStartMode_;
 
     switch (autoStartMode)
     {
-        case HotspotAutoStartMode::Never:
+    case HotspotAutoStartMode::Never:
-        default:
+    default:
-            return false;
+        return false;
 
-        case HotspotAutoStartMode::NoEthernetConnection:
+    case HotspotAutoStartMode::NoEthernetConnection:
-            return !ethernetConnected;
+        return !ethernetConnected;
-        case HotspotAutoStartMode::NotAtHome:
+    case HotspotAutoStartMode::NotAtHome:
-            return !CanSeeHomeNetwork(this->homeNetwork_, availableNetworks);
+        return !CanSeeHomeNetwork(this->homeNetwork_, availableNetworks);
-        case HotspotAutoStartMode::NoRememberedWifiConections:
+    case HotspotAutoStartMode::NoRememberedWifiConections:
-            return availableRememberedNetworks.size() == 0;
+        return availableRememberedNetworks.size() == 0;
-        case HotspotAutoStartMode::Always:
+    case HotspotAutoStartMode::Always:
-            return true;
+        return true;
     }
 }
 
 std::string pipedal::ssidToString(const std::vector<uint8_t> &ssid)
 {
     std::stringstream s;
-    for (auto v: ssid)
+    for (auto v : ssid)
     {
-        if (v == 0) break; // breaks for some arguably legal ssids, but I can live with that.
+        if (v == 0)
+            break; // breaks for some arguably legal ssids, but I can live with that.
         s << (char)v;
     }
     return s.str();
@@ -819,21 +817,43 @@ std::vector<std::string> pipedal::ssidToStringVector(const std::vector<std::vect
 {
     std::vector<std::string> result;
     result.reserve(ssids.size());
-    for (const std::vector<uint8_t> &ssid: ssids)
+    for (const std::vector<uint8_t> &ssid : ssids)
     {
         result.push_back(ssidToString(ssid));
     }
     return result;
 }
 bool WifiConfigSettings::WantsHotspot(
-    bool ethernetConnected, 
+    bool ethernetConnected,
     const std::vector<std::vector<uint8_t>> &availableRememberedNetworks, // remembered networks that are currently visible
-    const std::vector<std::vector<uint8_t>> &availableNetworks // all visible networks.
+    const std::vector<std::vector<uint8_t>> &availableNetworks            // all visible networks.
-    )
+)
 {
     std::vector<std::string> sAvailableRememberedNetworks = ssidToStringVector(availableRememberedNetworks);
     std::vector<std::string> sAvailableNetworks = ssidToStringVector(availableNetworks);
-    return WantsHotspot(ethernetConnected,sAvailableRememberedNetworks,sAvailableNetworks);
+    return WantsHotspot(ethernetConnected, sAvailableRememberedNetworks, sAvailableNetworks);
+}
+
+bool WifiConfigSettings::NeedsWifi() const
+{
+    HotspotAutoStartMode autoStartMode = (HotspotAutoStartMode)this->autoStartMode_;
+    return autoStartMode != HotspotAutoStartMode::Never;
 }
 
 
+bool WifiConfigSettings::NeedsScan() const
+{
+    HotspotAutoStartMode autoStartMode = (HotspotAutoStartMode)this->autoStartMode_;
+    switch (autoStartMode)
+    {
+    case HotspotAutoStartMode::Never:
+    case HotspotAutoStartMode::NoEthernetConnection:
+    case HotspotAutoStartMode::Always:
+    default:
+        return false;
+
+    case HotspotAutoStartMode::NotAtHome:
+    case HotspotAutoStartMode::NoRememberedWifiConections:
+        return true;
+    }
+}

PiPedalCommon/src/include/AlsaSequencer.hpp

@@ -25,12 +25,77 @@
 
 #include <vector>
 #include <string>
-#include <alsa/asoundlib.h>
+#include <memory>
-#include <alsa/seq.h>
+#include <functional>
-#include <stdexcept>
+#include "json.hpp"
 
 namespace pipedal
 {
+
+    // event messages starting with 0xFF are meta events. 
+    // data not in midi format, is variable length, and private and the second byte is the MetaEventType.
+    enum class MetaEventType
+    {
+        None,
+        Tempo,
+        TimeSignature,
+        KeySignature,
+        SetPositionTick,
+        SetPositionTime
+    };
+
+    class AlsaSequencerPortSelection {
+    private:
+        std::string id_;
+        std::string name_;
+        int32_t sortOrder_ = 0;
+
+    public:
+        AlsaSequencerPortSelection() = default;
+        AlsaSequencerPortSelection(const std::string &id, const std::string &name, int32_t displaySortOrder)
+            : id_(id), name_(name), sortOrder_(displaySortOrder) {}
+        AlsaSequencerPortSelection(const AlsaSequencerPortSelection &other) = default;  
+        AlsaSequencerPortSelection(AlsaSequencerPortSelection &&other) = default;
+        AlsaSequencerPortSelection &operator=(const AlsaSequencerPortSelection &other) = default;
+        AlsaSequencerPortSelection &operator=(AlsaSequencerPortSelection &&other) = default;
+
+
+        const std::string& id() const { return id_; }
+        void id(const std::string &value) { id_ = value; }
+        const std::string &name() const { return name_; }
+        void name(const std::string &value) { name_ = value; }
+
+        DECLARE_JSON_MAP(AlsaSequencerPortSelection);
+    };
+    class AlsaSequencerConfiguration {
+    private:
+        std::vector<AlsaSequencerPortSelection> connections_;
+    public:
+        const std::vector<AlsaSequencerPortSelection>& connections() const { return connections_; }
+        std::vector<AlsaSequencerPortSelection>& connections() { return connections_; }
+        void connections(const std::vector<AlsaSequencerPortSelection>& value) { connections_ = value; }    
+
+
+        bool operator==(const AlsaSequencerConfiguration &other) const
+        {
+            if (connections_.size() != other.connections_.size())
+                return false;
+            for (size_t i = 0; i < connections_.size(); ++i)
+            {
+                if (connections_[i].id() != other.connections_[i].id() ||
+                    connections_[i].name() != other.connections_[i].name())
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        DECLARE_JSON_MAP(AlsaSequencerConfiguration);
+
+    };
+
+
     struct AlsaSequencerPort
     {
         std::string id;
@@ -53,28 +118,181 @@ namespace pipedal
         bool isSpecific;
         bool isHardware = false;
         bool isSoftware = false;
+        bool isPort = false;
+        bool isVirtual = false;
         int cardNumber = -1;
+        int32_t  displaySortOrder = 0;
         std::string rawMidiDevice; // e.g. "hw:0,0,0" for kernel devices
     };
 
     struct AlsaMidiMessage
     {
-        uint32_t timestamp; // in microseconds (tick time if using queue)
+        AlsaMidiMessage() 
+        {
+            size = 0;
+            data = fixedBuffer;
+        }
+        AlsaMidiMessage(uint8_t cc0)
+        {
+            size = 1;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+        }
+        AlsaMidiMessage(uint8_t cc0, uint8_t cc1)
+        {
+            size = 2;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+            fixedBuffer[1] = cc1;
+        }
+        AlsaMidiMessage(uint8_t cc0, uint8_t cc1, uint8_t cc2)
+        {
+            size = 3;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+            fixedBuffer[1] = cc1;
+            fixedBuffer[2] = cc2;
+        }
+        AlsaMidiMessage(uint8_t *data, size_t size)
+        {
+            this->size = size;
+            this->data = data;
+        }
+        AlsaMidiMessage(const AlsaMidiMessage &other)
+        {
+            this->timestamp = other.timestamp;
+            this->realtime_sec = other.realtime_sec;
+            this->realtime_nsec = other.realtime_nsec;
+
+            if (other.size > 3)
+            {
+                this->size = other.size;
+                this->data = other.data;
+            }
+            else
+            {
+                this->size = other.size;
+                this->data = fixedBuffer;
+                for (size_t i = 0; i < other.size; ++i)
+                {
+                    fixedBuffer[i] = other.fixedBuffer[i];
+                }
+            }
+        }
+        AlsaMidiMessage &operator=(const AlsaMidiMessage &other)
+        {
+            this->timestamp = other.timestamp;
+            this->realtime_sec = other.realtime_sec;
+            this->realtime_nsec = other.realtime_nsec;
+
+            if (other.size > 3)
+            {
+                this->size = other.size;
+                this->data = other.data;
+            }
+            else
+            {
+                this->size = other.size;
+                this->data = fixedBuffer;
+                for (size_t i = 0; i < other.size; ++i)
+                {
+                    fixedBuffer[i] = other.fixedBuffer[i];
+                }
+            }
+            return *this;
+        }
+        AlsaMidiMessage(AlsaMidiMessage &&other)
+        {
+            this->timestamp = other.timestamp;
+            this->realtime_sec = other.realtime_sec;
+            this->realtime_nsec = other.realtime_nsec;
+
+            if (other.size > 3)
+            {
+                this->size = other.size;
+                this->data = other.data;
+            }
+            else
+            {
+                this->size = other.size;
+                this->data = fixedBuffer;
+                for (size_t i = 0; i < other.size; ++i)
+                {
+                    fixedBuffer[i] = other.fixedBuffer[i];
+                }
+            }
+        }
+        AlsaMidiMessage &operator=(AlsaMidiMessage &&other)
+        {
+            this->timestamp = other.timestamp;
+            this->realtime_sec = other.realtime_sec;
+            this->realtime_nsec = other.realtime_nsec;
+
+            if (other.size > 3)
+            {
+                this->size = other.size;
+                this->data = other.data;
+            }
+            else
+            {
+                this->size = other.size;
+                this->data = fixedBuffer;
+                for (size_t i = 0; i < other.size; ++i)
+                {
+                    fixedBuffer[i] = other.fixedBuffer[i];
+                }
+            }
+            return *this;
+        }
+
+        void Set(uint8_t cc0)
+        {
+            size = 1;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+        }
+        void Set(uint8_t cc0, uint8_t cc1)
+        {
+            size = 2;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+            fixedBuffer[1] = cc1;
+        }
+        void Set(uint8_t cc0, uint8_t cc1, uint8_t cc2)
+        {
+            size = 3;
+            data = fixedBuffer;
+            fixedBuffer[0] = cc0;
+            fixedBuffer[1] = cc1;
+            fixedBuffer[2] = cc2;
+        }
+        void Set(uint8_t *data, size_t size)
+        {
+            this->size = size;
+            this->data = data;
+        }
+        uint8_t cc0() const { return size > 0 ? data[0] : 0; }
+        uint8_t cc1() const { return size > 1 ? data[1] : 0; }
+        uint8_t cc2() const { return size > 2 ? data[2] : 0; }
+
+
+        uint32_t timestamp;     // in microseconds (tick time if using queue)
         uint64_t realtime_sec;  // real-time timestamp seconds
         uint32_t realtime_nsec; // real-time timestamp nanoseconds
-        uint8_t cc0;
+        size_t size = 0;
-        uint8_t cc1;
+        uint8_t *data = fixedBuffer;
-        uint8_t cc2;
+
+        uint8_t fixedBuffer[12];
     };
 
     /*
      * AlsaSequencer - ALSA MIDI sequencer interface with real-time timestamp support
-     * 
+     *
      * Example usage with real-time timestamps:
-     * 
+     *
      *   AlsaSequencer sequencer;
      *   sequencer.connect(clientId, portId);
-     *   
+     *
      *   AlsaMidiMessage message;
      *   while (sequencer.ReadMessage(&message)) {
      *       // message.realtime_sec and message.realtime_nsec contain precise real-time timestamps
@@ -82,45 +300,58 @@ namespace pipedal
      *       printf("MIDI event at %lu.%09u seconds\n", message.realtime_sec, message.realtime_nsec);
      *   }
      */
+
     class AlsaSequencer
     {
+    protected:
+        AlsaSequencer() {}
+
     public:
+        virtual ~AlsaSequencer() = default;
+
+        using self = AlsaSequencer;
+        using ptr = std::shared_ptr<self>;
+
+        static ptr Create();
+
         static std::vector<AlsaSequencerPort> EnumeratePorts();
 
-        AlsaSequencer();
+    public:
-        ~AlsaSequencer();
+        virtual void ConnectPort(int clientId, int portId) = 0;
+        virtual void ConnectPort(const std::string &id) = 0;
 
-        void ConnectPort(int clientId, int portId);
+        virtual void SetConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration) = 0;
-        void ConnectPort(const std::string&name);
 
-        // Read a single MIDI message from the sequencer input port
+        // Read a single MIDI message from the sequencer input port. A timeout of -1 blocks indefinitely.
-        bool ReadMessage(AlsaMidiMessage &message);
+        // A timeout of 0 returns immediately.
+        virtual bool ReadMessage(AlsaMidiMessage &message, int timeoutMs = -1) = 0;
 
+        // currently non-functional
+        virtual bool GetQueueRealtime(uint64_t *sec, uint32_t *nsec) = 0;
 
-        // Get current real-time from the queue (useful for calculating precise timing)
+        virtual void RemoveAllConnections() = 0;
-        bool GetQueueRealtime(uint64_t* sec, uint32_t* nsec);
-
-        // Get the current queue ID (returns -1 if no queue is active)
-        int GetQueueId() const { return queueId; }
-
-    private:
-        // Create an ALSA input queue with real-time timestamps for the given client/port
-        int CreateRealtimeInputQueue();
-
-        struct Connection
-        {
-            int clientId;
-            int portId;
-        };
-
-        std::vector<Connection> connections;
-
-        snd_seq_t *seqHandle = nullptr;
-        int inPort = -1;
-        int queueId = -1;  // Queue for real-time timestamps
-
-        // Example: open an ALSA sequencer input port and read MIDI events continuously
-        void ReadMidiFromPort(int clientId, int portId);
     };
 
+
+    class AlsaSequencerDeviceMonitor {
+    protected:
+        AlsaSequencerDeviceMonitor() {}
+    public:
+        virtual ~AlsaSequencerDeviceMonitor() {}
+
+        using self = AlsaSequencerDeviceMonitor;
+        using ptr = std::shared_ptr<self>;
+        static ptr Create();
+        enum class MonitorAction {
+            DeviceAdded,
+            DeviceRemoved
+        };
+        using Callback = std::function<void(MonitorAction action, int client, const std::string& clientName)>;
+        virtual void StartMonitoring(Callback &&onChangeCallback) = 0;
+        virtual void StopMonitoring() = 0;
+
+    };
+
+    std::string RawMidiIdToSequencerId(const std::vector<AlsaSequencerPort> &seqDevices, const std::string &rawMidiId);
+
 }

PiPedalCommon/src/include/Finally.hpp

@@ -0,0 +1,39 @@
+// Copyright (c) 2024 Robin Davies
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+#include <functional>
+
+namespace pipedal {
+
+    class Finally {
+    public:
+        Finally(std::function<void(void)> &&fn) 
+        :fn (std::move(fn))
+        {
+            
+        }
+        ~Finally() {
+            fn();
+        }
+    private:
+        std::function<void(void)> fn;
+    };
+
+}

PiPedalCommon/src/include/WifiConfigSettings.hpp

@@ -95,6 +95,10 @@ namespace pipedal {
 
         bool operator==(const WifiConfigSettings&other) const;
         bool ConfigurationChanged(const WifiConfigSettings&other) const;
+        bool WantsHotspot(bool ethernetConnected) 
+        {
+            return WantsHotspot(ethernetConnected, std::vector<std::string>{}, std::vector<std::string>{});
+        }
         bool WantsHotspot(
             bool ethernetConnected, 
             const std::vector<std::string> &availableRememberedNetworks, // remembered networks that are currently visible
@@ -105,7 +109,8 @@ namespace pipedal {
             const std::vector<std::vector<uint8_t>> &availableRememberedNetworks, // remembered networks that are currently visible
             const std::vector<std::vector<uint8_t>> &availableNetworks // all visible networks.
             );
-
+        bool NeedsScan() const;
+        bool NeedsWifi() const;
     public:
         DECLARE_JSON_MAP(WifiConfigSettings);
     };

PiPedalCommon/src/include/json.hpp

@@ -35,6 +35,8 @@
 #include <string_view>
 #include <string.h>
 #include <stdexcept>
+#include <vector>
+#include <memory>
 
 #define DECLARE_JSON_MAP(CLASSNAME) \
     static pipedal::json_map::storage_type<CLASSNAME> jmap

PiPedalCommon/src/include/json_variant.hpp

@@ -30,6 +30,7 @@
 #include <string>
 #include <stdexcept>
 #include <utility>
+#include <memory>
 #include "json.hpp"
 
 namespace pipedal

cmake/FindPipeWire.cmake

@@ -0,0 +1,122 @@
+#.rst:
+# FindPipeWire
+# -------
+#
+# Try to find PipeWire on a Unix system.
+#
+# This will define the following variables:
+#
+# ``PipeWire_FOUND``
+#     True if (the requested version of) PipeWire is available
+# ``PipeWire_VERSION``
+#     The version of PipeWire
+# ``PipeWire_LIBRARIES``
+#     This can be passed to target_link_libraries() instead of the ``PipeWire::PipeWire``
+#     target
+# ``PipeWire_INCLUDE_DIRS``
+#     This should be passed to target_include_directories() if the target is not
+#     used for linking
+# ``PipeWire_DEFINITIONS``
+#     This should be passed to target_compile_options() if the target is not
+#     used for linking
+#
+# If ``PipeWire_FOUND`` is TRUE, it will also define the following imported target:
+#
+# ``PipeWire::PipeWire``
+#     The PipeWire library
+#
+# In general we recommend using the imported target, as it is easier to use.
+# Bear in mind, however, that if the target is in the link interface of an
+# exported library, it must be made available by the package config file.
+
+#=============================================================================
+# Copyright 2014 Alex Merry <alex.merry@kde.org>
+# Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
+# Copyright 2018-2020 Jan Grulich <jgrulich@redhat.com>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#=============================================================================
+
+# Use pkg-config to get the directories and then use these values
+# in the FIND_PATH() and FIND_LIBRARY() calls
+find_package(PkgConfig QUIET)
+
+pkg_search_module(PKG_PipeWire QUIET libpipewire-0.3 libpipewire-0.2)
+pkg_search_module(PKG_Spa QUIET libspa-0.2 libspa-0.1)
+
+set(PipeWire_DEFINITIONS "${PKG_PipeWire_CFLAGS}" "${PKG_Spa_CFLAGS}")
+set(PipeWire_VERSION "${PKG_PipeWire_VERSION}")
+
+find_path(PipeWire_INCLUDE_DIRS
+    NAMES
+        pipewire/pipewire.h
+    HINTS
+        ${PKG_PipeWire_INCLUDE_DIRS}
+        ${PKG_PipeWire_INCLUDE_DIRS}/pipewire-0.3
+)
+
+find_path(Spa_INCLUDE_DIRS
+    NAMES
+        spa/param/props.h
+    HINTS
+        ${PKG_Spa_INCLUDE_DIRS}
+        ${PKG_Spa_INCLUDE_DIRS}/spa-0.2
+)
+
+find_library(PipeWire_LIBRARIES
+    NAMES
+        pipewire-0.3
+        pipewire-0.2
+    HINTS
+        ${PKG_PipeWire_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(PipeWire
+    FOUND_VAR
+        PipeWire_FOUND
+    REQUIRED_VARS
+        PipeWire_LIBRARIES
+        PipeWire_INCLUDE_DIRS
+        Spa_INCLUDE_DIRS
+    VERSION_VAR
+        PipeWire_VERSION
+)
+
+if(PipeWire_FOUND AND NOT TARGET PipeWire::PipeWire)
+    add_library(PipeWire::PipeWire UNKNOWN IMPORTED)
+    set_target_properties(PipeWire::PipeWire PROPERTIES
+        IMPORTED_LOCATION "${PipeWire_LIBRARIES}"
+        INTERFACE_COMPILE_OPTIONS "${PipeWire_DEFINITIONS}"
+        INTERFACE_INCLUDE_DIRECTORIES "${PipeWire_INCLUDE_DIRS};${Spa_INCLUDE_DIRS}"
+    )
+endif()
+
+mark_as_advanced(PipeWire_LIBRARIES PipeWire_INCLUDE_DIRS)
+
+include(FeatureSummary)
+set_package_properties(PipeWire PROPERTIES
+    URL "https://www.pipewire.org"
+    DESCRIPTION "PipeWire - multimedia processing"
+)

docs/BuildPrerequisites.md

@@ -26,7 +26,8 @@ Run the following commands to install dependent libraries required by the PiPeda
         libsystemd-dev catch libasound2-dev uuid-dev \
         authbind libavahi-client-dev  libnm-dev libicu-dev \
         libsdbus-c++-dev libzip-dev google-perftools \
-        libgoogle-perftools-dev
+        libgoogle-perftools-dev \
+        libpipewire-0.3-dev 
     
 
 ### Installing Sources

lv2/aarch64/ToobAmp.lv2/CabIR.ttl

@@ -93,7 +93,7 @@ cabir:impulseFile3
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 
 TooB Cab IR is a convolution-based guitar cabinet impulse response simulator.

lv2/aarch64/ToobAmp.lv2/CabSim.ttl

@@ -50,7 +50,7 @@ toob:frequencyResponseVector
     doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
     doap:maintainer <http://two-play.com/rerdavies#me> ;
     lv2:minorVersion 0 ;
-    lv2:microVersion 62 ;
+    lv2:microVersion 63 ;
 
     mod:brand "TooB";
     mod:label "TooB CabSim";

lv2/aarch64/ToobAmp.lv2/ConvolutionReverb.ttl

@@ -53,7 +53,7 @@ toobimpulse:impulseFile
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 
 Convolution reverb is a notoriously compute-intensive effect. If you are having performance issues,  use the Max T control to constrain the length of the impulse file to

lv2/aarch64/ToobAmp.lv2/ConvolutionReverbStereo.ttl

@@ -51,7 +51,7 @@ toobimpulse:impulseFile
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
          lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 
 

lv2/aarch64/ToobAmp.lv2/InputStage.ttl

@@ -66,7 +66,7 @@ inputStage:filterGroup
         doap:license <https://two-play.com/TooB/licenses/isc> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         mod:brand "TooB";
         mod:label "TooB Input";

lv2/aarch64/ToobAmp.lv2/PowerStage2.ttl

@@ -68,7 +68,7 @@ pstage:stage3
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
          lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         mod:brand "TooB";
         mod:label "Power Stage";

lv2/aarch64/ToobAmp.lv2/SpectrumAnalyzer.ttl

@@ -57,7 +57,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment "TooB spectrum analyzer" ;
 
         mod:brand "TooB";

lv2/aarch64/ToobAmp.lv2/ToneStack.ttl

@@ -57,7 +57,7 @@ tonestack:eqGroup
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
          lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         uiext:ui <http://two-play.com/plugins/toob-tone-stack-ui>;                
 
@@ -131,17 +131,28 @@ tone stack used in Polytone and HiWatt amps.
                         rdfs:label "Baxandall" ;
                         rdf:value 2.0
                 ];   
+        ],[
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 4 ;
+                lv2:symbol "gain" ;
+                lv2:name "Gain";
+                lv2:default 0.0 ;
+                lv2:minimum -40.0 ;
+                lv2:maximum 30.0; 
+                units:unit units:db;
         ],
         [
                 a lv2:AudioPort ,
                         lv2:InputPort ;
-                lv2:index 4 ;
+                lv2:index 5 ;
                 lv2:symbol "in" ;
                 lv2:name "In"
         ], [
                 a lv2:AudioPort ,
                         lv2:OutputPort ;
-                lv2:index 5 ;
+                lv2:index 6 ;
                 lv2:symbol "out" ;
                 lv2:name "Out"
         ],[
@@ -150,7 +161,7 @@ tone stack used in Polytone and HiWatt amps.
                 atom:bufferType atom:Sequence ;
                 # atom:supports patch:Message;
                 lv2:designation lv2:control ;
-                lv2:index 6 ;
+                lv2:index 7 ;
                 lv2:symbol "control" ;
                 lv2:name "Control" ;
                 rdfs:comment "Plugin to GUI communication" ;
@@ -160,7 +171,7 @@ tone stack used in Polytone and HiWatt amps.
                 atom:bufferType atom:Sequence ;
                 # atom:supports patch:Message;
                 lv2:designation lv2:control ;
-                lv2:index 7 ;
+                lv2:index 8 ;
                 lv2:symbol "notify" ;
                 lv2:name "Notify" ;
                 rdfs:comment "Plugin to GUI communication" ;

lv2/aarch64/ToobAmp.lv2/ToobChorus.ttl

@@ -40,7 +40,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Emulation of a Boss CE-2 Chorus.
 

lv2/aarch64/ToobAmp.lv2/ToobDelay.ttl

@@ -41,7 +41,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 A straightforward no-frills digital delay.
 

lv2/aarch64/ToobAmp.lv2/ToobFlanger.ttl

@@ -41,7 +41,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Emulation of a Boss BF-2 Flanger, based on circuit analysis and simulation of the original.
 

lv2/aarch64/ToobAmp.lv2/ToobFlangerStereo.ttl

@@ -41,7 +41,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
          lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Digital emulation of a Boss BF-2 Flanger.
 

lv2/aarch64/ToobAmp.lv2/ToobFreeverb.ttl

@@ -41,7 +41,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
          lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Toob Freeverb is an Lv2 implementation of the famous Freeverb reverb effect. FreeVerb delivers a well-balanced reverb with very little tonal coloration.
 

lv2/aarch64/ToobAmp.lv2/ToobGraphicEq.ttl

@@ -41,7 +41,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 A 7 octave graphic equalizer, with frequencies chosen to be useful for EQ-ing guitar signals. 
 """ ;

lv2/aarch64/ToobAmp.lv2/ToobLooperFour.ttl

@@ -92,7 +92,7 @@ myprefix:output_group
         doap:license <https://opensource.org/license/mit/> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 1 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         ui:ui <http://two-play.com/plugins/toob-looper-four-ui>;
 

lv2/aarch64/ToobAmp.lv2/ToobLooperOne.ttl

@@ -78,7 +78,7 @@ myprefix:output_group
         doap:license <https://opensource.org/license/mit/> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 1 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         ui:ui <http://two-play.com/plugins/toob-looper-one-ui>;
 

lv2/aarch64/ToobAmp.lv2/ToobML.ttl

@@ -67,7 +67,7 @@ toobml:sagGroup
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 The TooB ML Amplifier plugin provides emulation of a variety of amplifiers and overdrive pedals that are implemented 
 using neural-network-based machine learning models of real amplifiers.

lv2/aarch64/ToobAmp.lv2/ToobMix.ttl

@@ -40,7 +40,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Remix a stereo input signal.
 
@@ -57,7 +57,7 @@ Remix a stereo input signal.
 
                 lv2:index 0 ;
                 lv2:symbol "trimL" ;
-                lv2:name "Trim L";
+                lv2:name "Vol L";
 
                 lv2:default 0.0 ;
                 lv2:minimum -60.0 ;
@@ -89,7 +89,7 @@ Remix a stereo input signal.
 
                 lv2:index 2 ;
                 lv2:symbol "trimR" ;
-                lv2:name "Trim R";
+                lv2:name "Vol R";
 
                 lv2:default 0.0 ;
                 lv2:minimum -60.0 ;

lv2/aarch64/ToobAmp.lv2/ToobNeuralAmpModeler.ttl

@@ -61,33 +61,43 @@ toobNam:eqGroup
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 A port of Steven Atkinson's Neural Amp Modeler to LV2. 
 
-TooB Neural Amp Modeler uses uploadable .nam model files. Download .nam files from http://tonehunt.org, and then load them into TooB Neural Amp Modeler. 
+TooB Neural Amp Modeler uses uploadable .nam model files. Download .nam model files from http://tone3000.com, and then load them into TooB Neural Amp Modeler. 
 
-If you are using TooB Neural Amp Modeler from PiPedal, download the model files to the system on which you are running the client. You must then
+The TONE3000 website contains a huge collection of community-developed amp models that can be used with TooB Neural Amp Modeler. You can also use .nam models from 
-upload the file to the PiPedal server. Click on the "Model" control and then search for the Upload button in the file browser. Once uploaded to the server,
+other sources. Using TONE3000 models with TooB Neural Amp Modeler is a two-step process. First, download model files to your local system using a
-you can then select the uploaded file in the browser directly.
+web browser. Then upload the model files to the PiPedal server using the PiPedal web interface. You can find an "Upload" button in
+the file browser when you click on the "Model" control in the PiPedal web interface. 
 
-If you are not using PiPedal, just click on the Model control, and use the file browser to select the .nam file on your local system.
 
-TooB Neural Amp Modeler supports a much wider range of amp models than ToobML, but usually uses much more CPU. 
+If you are not using PiPedal, just click on the Model control, and use the file browser to select the .nam file directly on your local system.
+
+TooB Neural Amp Modeler supports a much wider range of amp models than ToobML, but usually uses more CPU. 
 You will need at least a Pi 4 to use Toob Neural Amp Modeler, and you may need to increase your audio buffer sizes to prevent overruns. 
-If you are having trouble with CPU usage, tonehunt.org does contain some smaller amp models. Search for the "feather" tag to find
+If you are having trouble with CPU usage, tone3000.com does contain some smaller amp models. Search for the "feather" tag to find
-models that use less CPU.
+models that use less CPU. Generally, you can use up to three NAM models at once in a given preset on a Pi 4, and up to 5 MAM models
+simultaneously on a Pi 5. N100 micro PCs could presumably do even better. However, exact CPU use varies depending on the complexity of the amp models you are using.
+Users have reported success using NAM on Raspberry Pi 3 devices, but this is not recommended (or really supported), as CPU usage is very high on a Raspberry Pi 3.
+If you are interested in profiling your own amps and effect pedals, please visit https://www.tone3000.com/capture
 
-If you are interested in building your own amp models, please visit https://www.neuralampmodeler.com/
+TooB Neural Amp Modeler contains code optimizations that allow use of a third model on Raspberry PI 4 devices. These optimizations
+were offered to the upstream NAM project, but we recommended that they not be merged into upstream sources, because they
+significantly affect maintainability of the codebase. and the performance increase they provide (about 30%) is really only
+relevant on Raspberry PI 4-class devices. If you are interested in these optimizations, they have been published in ToobAmp
+project sources on GitHub.
 
-TooB Neural Amp Modeler uses code from the NeuralAmp Modeler Core project. The TooB Team wishes to express gratitude to Steven Atkinson for
+TooB Neural Amp Modeler uses code from the NeuralAmp Modeler Core project (https://www.neuralampmodeler.com/). The TooB team wishes 
-making this extraordinary technology available as open-source code.
+to express gratitude to Steven Atkinson for making this revolutionary technology available as open-source code.
 
-Code from the the NeuralAmpModelerCore project (https://github.com/sdatkinson/NeuralAmpModelerCore) is provided under the following license.
+Code from the the NeuralAmpModelerCore project (https://github.com/sdatkinson/NeuralAmpModelerCore) is provided 
+under the following license. 
 
 MIT License
 
-Copyright (c) 2023 Steven Atkinson
+Copyright (c) 2025 Steven Atkinson
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

lv2/aarch64/ToobAmp.lv2/ToobNoiseGate.ttl

@@ -54,7 +54,7 @@ noisegate:envelope_group
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 A noise gate is an audio processing tool that controls the volume of an audio signal 
 by allowing it to pass through only when it exceeds a set threshold. 

lv2/aarch64/ToobAmp.lv2/ToobPhaser.ttl

@@ -40,7 +40,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 A loose emulation of an MXR® Phase 90 Phaser.
 

lv2/aarch64/ToobAmp.lv2/ToobPlayer.ttl

@@ -0,0 +1,307 @@
+@prefix doap:  <http://usefulinc.com/ns/doap#> .
+@prefix lv2:   <http://lv2plug.in/ns/lv2core#> .
+@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix units: <http://lv2plug.in/ns/extensions/units#> .
+@prefix urid:    <http://lv2plug.in/ns/ext/urid#> .
+@prefix atom:   <http://lv2plug.in/ns/ext/atom#> .
+@prefix midi:  <http://lv2plug.in/ns/ext/midi#> .
+@prefix epp:     <http://lv2plug.in/ns/ext/port-props#> .
+@prefix uiext:   <http://lv2plug.in/ns/extensions/ui#> .
+@prefix idpy:  <http://harrisonconsoles.com/lv2/inlinedisplay#> .
+@prefix foaf:  <http://xmlns.com/foaf/0.1/> .
+@prefix mod:   <http://moddevices.com/ns/mod#> .
+@prefix param:   <http://lv2plug.in/ns/ext/parameters#> .
+@prefix work:  <http://lv2plug.in/ns/ext/worker#> .
+@prefix pg:      <http://lv2plug.in/ns/ext/port-groups#> .
+
+@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
+@prefix patch: <http://lv2plug.in/ns/ext/patch#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix state: <http://lv2plug.in/ns/ext/state#> .
+@prefix urid: <http://lv2plug.in/ns/ext/urid#> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix toobPlayer: <http://two-play.com/plugins/toob-player#> .
+
+toobPlayer:mixGroup
+    a param:ControlGroup ,
+        pg:InputGroup ;
+    lv2:name "Mix" ;
+    lv2:symbol "mixGroup" .
+
+
+<http://two-play.com/rerdavies#me>
+	a foaf:Person ;
+	foaf:name "Robin Davies" ;
+	foaf:mbox <mailto:rerdavies@gmail.com> ;
+	foaf:homepage <https://github.com/sponsors/rerdavies> .
+
+
+toobPlayer:audioFile
+        a lv2:Parameter;
+        rdfs:label "File";
+	mod:fileTypes "audiotrack,wav,flac,mp3";
+        rdfs:range atom:Path;
+        lv2:index  4 
+        .
+toobPlayer:seek
+        a lv2:Parameter;
+        rdfs:label "Seek";
+        rdfs:range atom:Float;
+        .
+
+
+<http://two-play.com/plugins/toob-player>
+        a lv2:Plugin ,
+                lv2:GeneratorPlugin ;
+        doap:name "TooB File Player" ,
+                "TooB File Player"@en-gb-gb 
+                ;
+        doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
+        doap:maintainer <http://two-play.com/rerdavies#me> ;
+        lv2:minorVersion 0 ;
+        lv2:microVersion 63 ;
+        rdfs:comment """
+Play audio files. Audio files can optionally be loooped by pressing the "Set loop" button.
+
+To skip the start of a file, press the "Set Loop" button, set the "Start" value in the seek dialog, and leave the "Loop Enabled" 
+checkbox unchecked.
+
+Note that loop information is stored as per-file metadata, and is not stored in the preset. If you need different loop settings for the 
+same file, create a copy of the file. Files are copied using hard links, so the copy will not take up significant disk space.
+
+
+TooB Player will display audio metadata for a file (track number, title, album, artist) if available. 
+If the file's metadata contains album art, that will be displayed as well. If not, the player will look for a folder artwork file in the same directory. The 
+folder artwork file can be called any of "Folder.jpg", "Cover.jpg", "AlbumArt.jpg" or a number of other common names used by media players and taggers. 
+You can upload album artwork files using the Upload button in the file browser. The Upload button  will allow you to upload audio files, or 
+folder artwork files that have a .jpg file extension. 
+
+
+""" ;
+
+        mod:brand "TooB";
+        mod:label "File Player";
+
+        # ONLY works in PiPedal
+        lv2:requiredFeature "http://github.com/rerdavies/pipedal#host" ;
+
+        lv2:optionalFeature lv2:hardRTCapable,state::freePath, state:makePath, state:mapPath, work:schedule ;
+        lv2:extensionData state:interface, work:interface;
+
+        patch:readable 
+                toobPlayer:audioFile,toobPlayer:seek;
+        patch:writable 
+                toobPlayer:audioFile;
+
+        lv2:port
+        [
+                a lv2:AudioPort ,
+                        lv2:InputPort ;
+                lv2:index 0 ;
+                lv2:symbol "inl" ;
+                lv2:name "In L"
+        ],
+        [
+                a lv2:AudioPort ,
+                        lv2:InputPort ;
+                lv2:index 1 ;
+                lv2:symbol "inr" ;
+                lv2:name "In R"
+        ],
+        [
+                a lv2:AudioPort ,
+                        lv2:OutputPort ;
+                lv2:index 2 ;
+                lv2:symbol "outl" ;
+                lv2:name "Out L"
+        ],
+        [
+                a lv2:AudioPort ,
+                        lv2:OutputPort ;
+                lv2:index 3 ;
+                lv2:symbol "outr" ;
+                lv2:name "OutR"
+        ],
+        ######################
+        [
+                a atom:AtomPort ,
+                        lv2:InputPort ;
+                lv2:index 4 ;
+                atom:bufferType atom:Sequence ;
+                atom:supports patch:Message;
+                lv2:designation lv2:control ;
+                lv2:symbol "controlIn" ;
+                lv2:name "ControlIn"
+        ],
+        [
+                a atom:AtomPort ,
+                        lv2:OutputPort ;
+                lv2:index 5 ;
+                atom:bufferType atom:Sequence ;
+                atom:supports patch:Message;
+                lv2:designation lv2:control ;
+
+                lv2:symbol "controlOut" ;
+                lv2:name "ControlOut"
+        ],
+
+        ######################
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 6;
+                lv2:symbol "stop" ;
+                lv2:name "Stop";
+                rdf:comment "Stop playback.";
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 1.0;
+                lv2:portProperty lv2:toggled,epp:trigger;
+        ],  
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 7;
+                lv2:symbol "pause" ;
+                lv2:name "Pause";
+                rdf:comment "Pause playback.";
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 1.0;
+                lv2:portProperty lv2:toggled,epp:trigger;
+        ],  
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 8;
+                lv2:symbol "play" ;
+                lv2:name "Play";
+                rdf:comment "Play selected file.";
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 1.0;
+                lv2:portProperty lv2:toggled,epp:trigger;
+        ],  
+
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 9 ;
+                lv2:symbol "volIn" ;
+                lv2:name "Input Vol";
+                rdfs:comment "Volume audio passed through from the input. ";
+
+
+                lv2:default 0.0 ;
+                lv2:minimum -40.0 ;
+                lv2:maximum 30.0 ;    
+                units:unit units:db ;
+                lv2:scalePoint    
+                [
+                        rdfs:label "-INF" ;
+                        rdf:value -40.0
+                ];
+                pg:group toobPlayer:mixGroup ;
+                
+        ],  
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 10;
+                lv2:symbol "panIn" ;
+                lv2:name "Input Pan";
+                rdfs:comment "Pan for passed-through audio.";
+
+                lv2:default 0.0 ;
+                lv2:minimum -1.0;
+                lv2:maximum 1.0;
+                pg:group toobPlayer:mixGroup ;
+                rdfs:comment "Input Pan";
+        ],  
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 11 ;
+                lv2:symbol "volFile" ;
+                lv2:name "File Vol";
+                rdfs:comment "Volume of the audio file being played.";
+
+                lv2:default 0.0 ;
+                lv2:minimum -40.0 ;
+                lv2:maximum 30.0 ;    
+                units:unit units:db ;
+                lv2:scalePoint    
+                [
+                        rdfs:label "-INF" ;
+                        rdf:value -40.0
+                ];
+                pg:group toobPlayer:mixGroup ;
+                
+        ],  
+        [
+                a lv2:InputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 12;
+                lv2:symbol "panFile" ;
+                lv2:name "File Pan";
+                rdfs:comment "Pan position of the file being played.";
+                
+                lv2:default 0.0 ;
+                lv2:minimum -1.0;
+                lv2:maximum 1.0;
+                pg:group toobPlayer:mixGroup ;
+        ],
+
+
+
+        ###########################
+        [
+                a lv2:OutputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 13;
+                lv2:symbol "state" ;
+                lv2:name "Play State";
+                lv2:portProperty epp:notOnGUI;
+
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 10.0;
+        ],
+        [
+                a lv2:OutputPort ,
+                lv2:ControlPort ;
+
+            lv2:index 14;
+                lv2:symbol "position" ;
+                lv2:name "Play Position";
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 1.0E+38;
+                units:unit units:s ;
+        ],
+        [
+                a lv2:OutputPort ,
+                lv2:ControlPort ;
+
+                lv2:index 15;
+                lv2:symbol "duration" ;
+                lv2:name "Duration";
+                rdfs:comment  "Length of the selected audio file.";
+                lv2:default 0.0 ;
+                lv2:minimum 0.0;
+                lv2:maximum 1.0E+38;
+                units:unit units:s ;
+        ]
+
+        .
+
+

lv2/aarch64/ToobAmp.lv2/ToobRecordMono.ttl

@@ -21,7 +21,6 @@
 @prefix urid: <http://lv2plug.in/ns/ext/urid#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
-@prefix pprop: <http://lv2plug.in/ns/ext/port-props#>  .
 @prefix pipedal_ui: <http://github.com/rerdavies/pipedal/ui#> .
 
 
@@ -52,7 +51,7 @@ recordPrefix:audioFile
         doap:license <https://opensource.org/license/mit/> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 1 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         ui:ui <http://two-play.com/plugins/toob-record-mono-ui>;
 
@@ -61,7 +60,7 @@ recordPrefix:audioFile
         patch:writable 
                 recordPrefix:audioFile;
 
-        lv2:extensionData state:interface ;
+        lv2:extensionData state:interface, work:interface ;
 
         rdfs:comment """
 Record the plugin's audio input signal to a monophonic file. See also: TooB Record Input (stereo), which records a stereo file.
@@ -83,7 +82,7 @@ Record the plugin's audio input signal to a monophonic file. See also: TooB Reco
                 lv2:default 0.0 ;
                 lv2:minimum 0.0;
                 lv2:maximum 1.0;
-                lv2:portProperty lv2:toggled,pprop:trigger;
+                lv2:portProperty lv2:toggled,epp:trigger;
         ],  
         [
                 a lv2:InputPort ,
@@ -96,7 +95,7 @@ Record the plugin's audio input signal to a monophonic file. See also: TooB Reco
                 lv2:default 0.0 ;
                 lv2:minimum 0.0;
                 lv2:maximum 1.0;
-                lv2:portProperty lv2:toggled,pprop:trigger;
+                lv2:portProperty lv2:toggled,epp:trigger;
         ],  
         [
                 a lv2:OutputPort ,
@@ -117,11 +116,11 @@ Record the plugin's audio input signal to a monophonic file. See also: TooB Reco
                 lv2:index  3;
                 lv2:symbol "play" ;
                 lv2:name "⏵";
-                rdfs:comment "Preview recorded file. Click again to stop.";
+                rdfs:comment "Preview recorded file.";
                 lv2:default 0.0 ;
                 lv2:minimum 0.0;
                 lv2:maximum 1.0;
-                lv2:portProperty lv2:toggled,pprop:trigger;
+                lv2:portProperty lv2:toggled,epp:trigger;
         ],
         [
                 a lv2:OutputPort ,
@@ -186,7 +185,7 @@ Record the plugin's audio input signal to a monophonic file. See also: TooB Reco
 
                 lv2:index  7;
                 lv2:symbol "level" ;
-                lv2:name "Level";
+                lv2:name "Rec Lvl";
                 rdfs:comment "Input trim level for recording";
                 lv2:default 0.0 ;
                 lv2:minimum -60.0;

lv2/aarch64/ToobAmp.lv2/ToobRecordStereo.ttl

@@ -88,7 +88,7 @@ myprefix:loop3_group
         doap:license <https://opensource.org/license/mit/> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 1 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
 
         ui:ui <http://two-play.com/plugins/toob-record-stereo-ui>;
 
@@ -97,7 +97,7 @@ myprefix:loop3_group
         patch:writable 
                 recordPrefix:audioFile;
 
-        lv2:extensionData state:interface ;
+        lv2:extensionData state:interface, work:interface ;
 
 
         rdfs:comment """
@@ -154,7 +154,7 @@ Record the plugin's audio input signal to a stereophonic file. See also: TooB Re
                 lv2:index  3;
                 lv2:symbol "play" ;
                 lv2:name "⏵";
-                rdfs:comment "Preview the recorded file. Click again to stop.";
+                rdfs:comment "Preview the recorded file.";
                 lv2:default 0.0 ;
                 lv2:minimum 0.0;
                 lv2:maximum 1.0;
@@ -223,8 +223,8 @@ Record the plugin's audio input signal to a stereophonic file. See also: TooB Re
 
                 lv2:index  7;
                 lv2:symbol "level" ;
-                lv2:name "Level";
+                lv2:name "Rec Lvl";
-                lv2:name "Input trim level for recording";
+                rdfs:comment "Input trim level for recording";
                 lv2:default 0.0 ;
                 lv2:minimum -60.0;
                 lv2:maximum 30.0;

lv2/aarch64/ToobAmp.lv2/ToobTuner.ttl

@@ -40,7 +40,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 TooB Tuner is a chromatic guitar tuner.
 """ ;

lv2/aarch64/ToobAmp.lv2/ToobVolume.ttl

@@ -31,7 +31,7 @@
 
 <http://two-play.com/plugins/toob-volume>
         a lv2:Plugin ,
-                lv2:UtilityPlugin ;
+                lv2:MixerPlugin ;
                 doap:name "TooB Volume" ,
                 "TooB Volume"@en-gb-gb 
                 ;
@@ -39,7 +39,7 @@
         doap:license <https://rerdavies.github.io/pipedal/LicenseToobAmp> ;
         doap:maintainer <http://two-play.com/rerdavies#me> ;
         lv2:minorVersion 0 ;
-        lv2:microVersion 62 ;
+        lv2:microVersion 63 ;
         rdfs:comment """
 Volume control.
 

lv2/aarch64/ToobAmp.lv2/manifest.ttl

@@ -97,6 +97,10 @@
      lv2:binary <ToobAmp.so> ;
      rdfs:seeAlso <ToobMix.ttl> .
 
+<http://two-play.com/plugins/toob-player> a lv2:Plugin ;
+     lv2:binary <ToobAmp.so> ;
+     rdfs:seeAlso <ToobPlayer.ttl> .
+
 <http://two-play.com/plugins/toob-graphiceq> a lv2:Plugin ;
      lv2:binary <ToobAmp.so> ;
      rdfs:seeAlso <ToobGraphicEq.ttl> .

src/AlsaDriver.cpp

@@ -144,8 +144,6 @@ namespace pipedal
         return false;
     }
 
-
-
     struct AudioFormat
     {
         char name[40];
@@ -304,12 +302,9 @@ namespace pipedal
         AlsaDriverImpl(AudioDriverHost *driverHost)
             : driverHost(driverHost)
         {
-            midiEventMemory.resize(MAX_MIDI_EVENT * MAX_MIDI_EVENT_SIZE);
+            midiEventMemoryIndex = 0;
+            midiEventMemory.resize(MIDI_MEMORY_BUFFER_SIZE);
             midiEvents.resize(MAX_MIDI_EVENT);
-            for (size_t i = 0; i < midiEvents.size(); ++i)
-            {
-                midiEvents[i].buffer = midiEventMemory.data() + i * MAX_MIDI_EVENT_SIZE;
-            }
         }
         virtual ~AlsaDriverImpl()
         {
@@ -415,14 +410,7 @@ namespace pipedal
                 snd_pcm_sw_params_free(playbackSwParams);
                 playbackSwParams = nullptr;
             }
-            for (auto &midiState : this->midiDevices)
+            this->alsaSequencer = nullptr;
-            {
-                if (midiState)
-                {
-                    midiState->Close();
-                }
-            }
-            midiDevices.resize(0);
         }
 
         std::string discover_alsa_using_apps()
@@ -913,7 +901,7 @@ namespace pipedal
 
             std::vector<float *> &buffers = this->playbackBuffers;
             int channels = this->playbackChannels;
-            constexpr double  scale = 0x00FFFFFF;
+            constexpr double scale = 0x00FFFFFF;
             for (size_t frame = 0; frame < frames; ++frame)
             {
                 for (int channel = 0; channel < channels; ++channel)
@@ -1084,7 +1072,6 @@ namespace pipedal
             open = true;
             try
             {
-                OpenMidi(jackServerSettings, channelSelection);
                 OpenAudio(jackServerSettings, channelSelection);
                 std::atomic_thread_fence(std::memory_order::release);
             }
@@ -1531,18 +1518,43 @@ namespace pipedal
             } while (frames > 0);
             return framesRead;
         }
-
+    protected:
         void ReadMidiData(uint32_t audioFrame)
         {
-            for (size_t i = 0; i < midiDevices.size(); ++i)
+            AlsaMidiMessage message;
+
+            midiEventCount = 0;
+            while(alsaSequencer->ReadMessage(message,0))
             {
-                size_t nRead = midiDevices[i]->ReadMidiEvents(
+                size_t messageSize = message.size;
-                    this->midiEvents,
+                if (messageSize == 0) 
-                    midiEventCount,
+                {
-                    audioFrame);
+                    continue;
-                midiEventCount += nRead;
+                }
+                if (midiEventMemoryIndex + messageSize  >= this->midiEventMemory.size()) {
+                    continue;
+                }
+                if (midiEventCount >= this->midiEvents.size()) {
+                    midiEvents.resize(midiEventCount*2);
+                }
+                // for now, prevent META event messages from propagating. 
+                if (message.data[0] == 0xFF && message.size > 1) {
+                    continue;
+                }
+                MidiEvent *pEvent = midiEvents.data() + midiEventCount++;
+                pEvent->time = audioFrame;
+                pEvent->size = messageSize; 
+                pEvent->buffer = midiEventMemory.data() + midiEventMemoryIndex;
+
+                memcpy(
+                    midiEventMemory.data() + midiEventMemoryIndex,
+                    message.data,
+                    message.size);
+                midiEventMemoryIndex += messageSize;
+                
             }
         }
+    private:
 
         long WriteBuffer(snd_pcm_t *handle, uint8_t *buf, size_t frames)
         {
@@ -1671,16 +1683,17 @@ namespace pipedal
                         pBuffer[j] = 0;
                     }
                 }
-                try {
+                try
+                {
                     while (!terminateAudio())
                     {
                         std::this_thread::sleep_for(std::chrono::milliseconds(10));
                         // zero out input buffers.
                         this->driverHost->OnProcess(this->bufferSize);
                     }
-                } catch (const std::exception &e)
+                }
+                catch (const std::exception &e)
                 {
-
                 }
             }
             this->driverHost->OnAudioTerminated();
@@ -1766,288 +1779,22 @@ namespace pipedal
             Lv2Log::debug("Audio thread joined.");
         }
 
-        static constexpr size_t MAX_MIDI_EVENT_SIZE = 3;
+        static constexpr size_t MIDI_MEMORY_BUFFER_SIZE = 32 * 1024;
-        static constexpr size_t MIDI_BUFFER_SIZE = 16 * 1024;
         static constexpr size_t MAX_MIDI_EVENT = 4 * 1024;
 
         size_t midiEventCount = 0;
         std::vector<MidiEvent> midiEvents;
+        size_t midiEventMemoryIndex = 0;
         std::vector<uint8_t> midiEventMemory;
+        AlsaSequencer::ptr alsaSequencer;
 
     public:
-        class AlsaMidiDeviceImpl
+
+
+
+        virtual void SetAlsaSequencer(AlsaSequencer::ptr alsaSequencer) override
         {
-        private:
+            this->alsaSequencer = alsaSequencer;
-            snd_rawmidi_t *hIn = nullptr;
-            snd_rawmidi_params_t *hInParams = nullptr;
-            std::string deviceName;
-
-            // running status state.
-            uint8_t runningStatus = 0;
-            int dataLength = 0;
-            int dataIndex = 0;
-            size_t statusBytesRemaining = 0;
-            size_t data0 = 0;
-            size_t data1 = 0;
-
-            bool inputProcessingSysex = false;
-            size_t inputSysexBufferCount = 0;
-            std::vector<uint8_t> inputSysexBuffer;
-
-            uint8_t readBuffer[1024];
-
-            void checkError(int result, const char *message)
-            {
-                if (result < 0)
-                {
-                    throw PiPedalStateException(SS("Unexpected error: " << message << " (" << this->deviceName));
-                }
-            }
-
-        public:
-            AlsaMidiDeviceImpl()
-            {
-                inputSysexBuffer.resize(1024);
-            }
-            ~AlsaMidiDeviceImpl() {
-                Close();
-            }
-            void Open(const AlsaMidiDeviceInfo &device)
-            {
-                runningStatus = 0;
-                inputProcessingSysex = false;
-                inputSysexBufferCount = 0;
-
-                dataIndex = 0;
-                dataLength = 0;
-
-                this->deviceName = device.description_;
-
-                int err = snd_rawmidi_open(&hIn, nullptr, device.name_.c_str(), SND_RAWMIDI_NONBLOCK);
-                if (err < 0)
-                {
-                    throw PiPedalStateException(SS("Can't open midi device " << deviceName << ". (" << snd_strerror(err)));
-                }
-
-                err = snd_rawmidi_params_malloc(&hInParams);
-                checkError(err, "snd_rawmidi_params_malloc failed.");
-
-                err = snd_rawmidi_params_set_buffer_size(hIn, hInParams, 2048);
-                checkError(err, "snd_rawmidi_params_set_buffer_size failed.");
-
-                err = snd_rawmidi_params_set_no_active_sensing(hIn, hInParams, 1);
-                checkError(err, "snd_rawmidi_params_set_no_active_sensing failed.");
-            }
-            void Close()
-            {
-                if (hIn)
-                {
-                    snd_rawmidi_close(hIn);
-                    hIn = nullptr;
-                }
-                if (hInParams)
-                {
-                    snd_rawmidi_params_free(hInParams);
-                    hInParams = 0;
-                }
-            }
-
-            int GetDataLength(uint8_t cc)
-            {
-                static int sDataLength[] = {0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 1, 1, 1, -1};
-                return sDataLength[cc >> 4];
-            }
-
-            void MidiPut(uint8_t cc, uint8_t d0, uint8_t d1)
-            {
-                if (cc == 0)
-                    return;
-
-                // check for overrun.
-                if (inputEventBufferIndex >= pInputEventBuffer->size())
-                {
-                    return;
-                }
-
-                auto &event = (*pInputEventBuffer)[inputEventBufferIndex];
-
-                event.time = inputSampleFrame;
-                event.size = dataLength + 1;
-                assert(dataLength + 1 <= MAX_MIDI_EVENT_SIZE);
-                event.buffer[0] = cc;
-                event.buffer[1] = d0;
-                event.buffer[2] = d1;
-                ++inputEventBufferIndex;
-            }
-
-            void FillInputBuffer()
-            {
-                while (true)
-                {
-                    ssize_t nRead = snd_rawmidi_read(hIn, readBuffer, sizeof(readBuffer));
-                    if (nRead == -EAGAIN)
-                        return;
-                    if (nRead < 0)
-                    {
-                        checkError(nRead, SS(this->deviceName << "MIDI event read failed. (" << snd_strerror(nRead)).c_str());
-                    }
-                    ProcessInputBuffer(readBuffer, nRead); // expose write to test code.
-                }
-            }
-
-            uint32_t inputSampleFrame = -1;
-            size_t inputEventBufferIndex;
-            std::vector<MidiEvent> *pInputEventBuffer = nullptr;
-
-            size_t ReadMidiEvents(
-                std::vector<MidiEvent> &outputBuffer,
-                size_t startIndex,
-                uint32_t sampleFrame)
-            {
-                inputSampleFrame = sampleFrame;
-                inputEventBufferIndex = startIndex;
-                pInputEventBuffer = &outputBuffer;
-                FillInputBuffer();
-                pInputEventBuffer = nullptr;
-                return inputEventBufferIndex - startIndex;
-            }
-
-            void FlushSysex()
-            {
-                if (inputProcessingSysex)
-                {
-                    // just discard it. :-/
-                    // if (this->eventCount != MAX_MIDI_EVENT)
-                    // {
-                    //     auto *event = &(events[eventCount++]);
-                    //     event->size = this->bufferCount - sysexStartIndex;
-                    //     event->buffer = &(this->buffer[this->sysexStartIndex]);
-                    //     event->time = 0;
-                    // }
-                    // sysexStartIndex = -1;
-                }
-                inputProcessingSysex = false;
-            }
-
-            int GetSystemCommonLength(uint8_t cc)
-            {
-                static int sizes[] = {-1, 1, 2, 1, -1, -1, 0, 0};
-                return sizes[(cc >> 4) & 0x07];
-            }
-            void ProcessInputBuffer(uint8_t *readBuffer, size_t nRead)
-            {
-                for (ssize_t i = 0; i < nRead; ++i)
-                {
-                    uint8_t v = readBuffer[i];
-
-                    if (v >= 0x80)
-                    {
-                        if (v >= 0xF0)
-                        {
-                            if (v == 0xF0)
-                            {
-                                inputProcessingSysex = true;
-                                inputSysexBufferCount = 0;
-
-                                inputSysexBuffer[inputSysexBufferCount++] = 0xF0;
-
-                                runningStatus = 0; // discard subsequent data.
-                                dataLength = -2;   // indefinitely.
-                                dataIndex = -1;
-                            }
-                            else if (v >= 0xF8)
-                            {
-                                // don't overwrite running status.
-                                // don't break sysexes on a running status message.
-                                // LV2 standard is ambiguous how realtime messages are handled,  so just discard them.
-                                continue;
-                            }
-                            else
-                            {
-                                FlushSysex();
-                                int length = GetSystemCommonLength(v);
-                                if (length == -1)
-                                    break; // ignore illegal messages.
-                                runningStatus = v;
-                                dataLength = length;
-                                dataIndex = 0;
-                            }
-                        }
-                        else
-                        {
-                            FlushSysex();
-                            int dataLength = GetDataLength(v);
-                            runningStatus = v;
-                            if (dataLength == -1)
-                            {
-                                this->dataLength = dataLength;
-                                dataIndex = -1;
-                            }
-                            else
-                            {
-                                this->dataLength = dataLength;
-                                dataIndex = 0;
-                            }
-                        }
-                    }
-                    else
-                    {
-                        if (inputProcessingSysex)
-                        {
-                            if (inputSysexBufferCount != inputSysexBuffer.size())
-                            {
-                                inputSysexBuffer[inputSysexBufferCount++] = v;
-                            }
-                        }
-                        else
-                        {
-                            switch (dataIndex)
-                            {
-                            default:
-                                // discard.
-                                break;
-                            case 0:
-                                data0 = v;
-                                dataIndex = 1;
-                                break;
-                            case 1:
-                                data1 = v;
-                                dataIndex = 2;
-                                break;
-                            }
-                        }
-                    }
-                    if (dataIndex == dataLength && dataLength >= 0 && runningStatus != 0)
-                    {
-                        MidiPut(runningStatus, data0, data1);
-                        dataIndex = 0;
-                    }
-                }
-            }
-        };
-
-        std::vector<std::unique_ptr<AlsaMidiDeviceImpl>> midiDevices;
-
-        void OpenMidi(const JackServerSettings &jackServerSettings, const JackChannelSelection &channelSelection)
-        {
-            const auto &devices = channelSelection.GetInputMidiDevices();
-
-            midiDevices.reserve(devices.size());
-
-            for (size_t i = 0; i < devices.size(); ++i)
-            {
-                try
-                {
-                    const auto &device = devices[i];
-                    auto midiDevice = std::make_unique<AlsaMidiDeviceImpl>();
-                    midiDevice->Open(device);
-                    midiDevices.push_back(std::move(midiDevice));
-                }
-                catch (const std::exception &e)
-                {
-                    Lv2Log::error(e.what());
-                }
-            }
         }
 
         virtual size_t InputBufferCount() const { return activeCaptureBuffers.size(); }

src/AudioDriver.hpp

@@ -25,7 +25,7 @@
 
 #include "JackConfiguration.hpp"
 #include <functional>
-
+#include "AlsaSequencer.hpp"
 
 
 
@@ -74,7 +74,7 @@ namespace pipedal {
         virtual float*GetOutputBuffer(size_t channe) = 0;
 
         virtual void Open(const JackServerSettings & jackServerSettings,const JackChannelSelection &channelSelection) = 0;
-
+        virtual void SetAlsaSequencer(AlsaSequencer::ptr alsaSequencer) = 0;
         virtual void Activate() = 0;
         virtual void Deactivate() = 0;
         virtual void Close() = 0;

src/AudioFiles.cpp

@@ -33,6 +33,7 @@
 #include "Lv2Log.hpp"
 #include "ss.hpp"
 #include "util.hpp"
+#include <algorithm>
 
 #undef _GLIBCXX_DEBUG // Ensure we are not in debug mode, as this file is not compatible with it.
 #include "SQLiteCpp/SQLiteCpp.h"
@@ -112,8 +113,9 @@ namespace
 
     static int64_t fileTimeToInt64(const fs::file_time_type &fileTime)
     {
-        std::chrono::system_clock::time_point system_time = std::chrono::clock_cast<std::chrono::system_clock>(fileTime);
+        auto sctp = std::chrono::time_point_cast<std::chrono::system_clock::duration>(
-        auto result = std::chrono::duration_cast<std::chrono::milliseconds>(system_time.time_since_epoch()).count();
+            fileTime - fs::file_time_type::clock::now() + std::chrono::system_clock::now());
+        auto result = std::chrono::duration_cast<std::chrono::milliseconds>(sctp.time_since_epoch()).count();
         return result;
     }
     static int64_t GetLastWriteTime(const fs::path &file)

src/AudioHost.cpp

@@ -21,6 +21,7 @@
 #include "util.hpp"
 #include <lv2/atom/atom.h>
 #include "SchedulerPriority.hpp"
+#include "AlsaSequencer.hpp"
 
 #include "Lv2Log.hpp"
 
@@ -388,6 +389,9 @@ bool SystemMidiBinding::IsMatch(const MidiEvent &event)
 class AudioHostImpl : public AudioHost, private AudioDriverHost, private IPatchWriterCallback
 {
 private:
+    AlsaSequencer::ptr alsaSequencer;
+    AlsaSequencerDeviceMonitor::ptr alsaDeviceMonitor;
+
     void OnWritePatchPropertyBuffer(
         PatchPropertyWriter::Buffer *);
 
@@ -529,7 +533,7 @@ private:
 
     std::string GetAtomObjectType(uint8_t *pData)
     {
-        LV2_Atom_Object *pAtom = (LV2_Atom_Object *)pData;
+    LV2_Atom_Object *pAtom = (LV2_Atom_Object *)pData;
         if (pAtom->atom.type != uris.atom_Object)
         {
             throw std::invalid_argument("Not an Lv2 Object");
@@ -1248,12 +1252,26 @@ public:
         lv2_atom_forge_init(&inputWriterForge, pHost->GetMapFeature().GetMap());
 
         cpuTemperatureMonitor = CpuTemperatureMonitor::Get();
+        this->alsaSequencer = AlsaSequencer::Create();
+        this->alsaDeviceMonitor = AlsaSequencerDeviceMonitor::Create();
+
+        this->alsaDeviceMonitor->StartMonitoring(
+            [this](
+                AlsaSequencerDeviceMonitor::MonitorAction action, 
+                int client,
+                const std::string &clientName)            
+                {
+                    HandleAlsaSequencerDevicesChanged(action, client, clientName);
+                }
+            );
     }
     virtual ~AudioHostImpl()
     {
+        alsaDeviceMonitor->StopMonitoring();
         Close();
         CleanRestartThreads(true);
         audioDriver = nullptr;
+        this->alsaSequencer = nullptr;
     }
 
     virtual JackConfiguration GetServerConfiguration()
@@ -1268,7 +1286,21 @@ public:
     {
         return this->sampleRate;
     }
-
+    void HandleAlsaSequencerDevicesChanged(
+        AlsaSequencerDeviceMonitor::MonitorAction action, int client, const std::string &clientName)
+    {
+        if (pNotifyCallbacks)
+        {
+            if (action == AlsaSequencerDeviceMonitor::MonitorAction::DeviceRemoved)
+            {
+                pNotifyCallbacks->OnAlsaSequencerDeviceRemoved(client);
+            }
+            else if (action == AlsaSequencerDeviceMonitor::MonitorAction::DeviceAdded)
+            {
+                pNotifyCallbacks->OnAlsaSequencerDeviceAdded(client,clientName);
+            }
+        }
+    }   
     void HandleAudioTerminatedAbnormally()
     {
         Lv2Log::error("Audio processing terminated unexpectedly.");
@@ -1666,7 +1698,7 @@ public:
         try
         {
             audioDriver->Open(jackServerSettings, this->channelSelection);
-
+            audioDriver->SetAlsaSequencer(this->alsaSequencer);
             this->sampleRate = audioDriver->GetSampleRate();
 
             this->overrunGracePeriodSamples = (uint64_t)(((uint64_t)this->sampleRate) * OVERRUN_GRACE_PERIOD_S);
@@ -1814,6 +1846,9 @@ public:
         }
     }
 
+    virtual void SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration) override;
+
+
     void OnNotifyPathPatchPropertyReceived(
         int64_t instanceId,
         const std::string &pathPatchPropertyUri,
@@ -2261,6 +2296,13 @@ void AudioHostImpl::OnWritePatchPropertyBuffer(
     this->realtimeWriter.SendPathPropertyBuffer(buffer);
 }
 
+void AudioHostImpl::SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration)
+{
+    this->alsaSequencer->SetConfiguration(alsaSequencerConfiguration);
+}
+
+
+
 JSON_MAP_BEGIN(JackHostStatus)
 JSON_MAP_REFERENCE(JackHostStatus, active)
 JSON_MAP_REFERENCE(JackHostStatus, errorMessage)

src/AudioHost.hpp

@@ -39,6 +39,7 @@ namespace pipedal
     struct RealtimeNextMidiProgramRequest;
     class PluginHost;
     class Pedalboard;
+    class AlsaSequencerConfiguration;
 
     using PortMonitorCallback = std::function<void(int64_t handle, float value)>;
 
@@ -178,6 +179,8 @@ namespace pipedal
         virtual void OnNotifyMidiRealtimeSnapshotRequest(int32_t snapshotIndex,int64_t snapshotRequestId) = 0;
 
         virtual void OnAlsaDriverTerminatedAbnormally() = 0;
+        virtual void OnAlsaSequencerDeviceAdded(int client, const std::string &clientName) = 0;
+        virtual void OnAlsaSequencerDeviceRemoved(int client) = 0;
     };
 
     class JackHostStatus
@@ -225,6 +228,7 @@ namespace pipedal
         virtual void Open(const JackServerSettings &jackServerSettings, const JackChannelSelection &channelSelection) = 0;
         virtual void Close() = 0;
 
+        virtual void SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration) = 0;
         virtual uint32_t GetSampleRate() = 0;
 
         virtual JackConfiguration GetServerConfiguration() = 0;

src/CMakeLists.txt

@@ -9,9 +9,19 @@ set (ENABLE_BACKTRACE 0)
 
 set (USE_SANITIZE OFF) # seems to be broken on Ubuntu 24.10
 
+
 set(CXX_STANDARD 20)
 
+find_package(PkgConfig REQUIRED)
 
+pkg_check_modules(PipeWire REQUIRED libpipewire-0.3)
+
+
+message(STATUS "PipeWire_INCLUDE_DIRS: ${PipeWire_INCLUDE_DIRS}"
+    "PipeWire_LIBRARIES: ${PipeWire_LIBRARIES}"
+    "PipeWire_CFLAGS: ${PipeWire_CFLAGS}"
+    "PipeWire_DEFINES: ${PipeWire_DEFINES}"
+    "PipeWire_VERSION: ${PipeWire_VERSION}")
 
 include(FetchContent)
 
@@ -196,6 +206,7 @@ else()
 endif()
 
 set (PIPEDAL_SOURCES
+    PipewireInputStream.cpp PipewireInputStream.hpp
     AudioFiles.cpp AudioFiles.hpp
     AudioFileMetadataReader.cpp AudioFileMetadataReader.hpp
     AudioFileMetadata.hpp AudioFileMetadata.cpp
@@ -217,7 +228,6 @@ set (PIPEDAL_SOURCES
     Lv2PluginChangeMonitor.cpp Lv2PluginChangeMonitor.hpp
     WebServerConfig.cpp WebServerConfig.hpp
     Locale.hpp Locale.cpp
-    Finally.hpp
     ZipFile.cpp ZipFile.hpp
     TemporaryFile.cpp TemporaryFile.hpp     
     FilePropertyDirectoryTree.cpp FilePropertyDirectoryTree.hpp 
@@ -314,6 +324,7 @@ set (PIPEDAL_INCLUDES
     ${JACK_INCLUDE_DIRS} ${LILV_0_INCLUDE_DIRS}  
     ${VST3_INCLUDES}
     ${WEBSOCKETPP_INCLUDE_DIRS}    
+    ${PipeWire_INCLUDE_DIRS}
     .
 )
 
@@ -323,6 +334,7 @@ set(PIPEDAL_LIBS libpipedald zip
     pthread atomic stdc++fs asound avahi-common avahi-client systemd
     ${VST3_LIBRARIES}
     ${LILV_0_LIBRARIES} 
+    asound
      # ${JACK_LIBRARIES} - pending delete for JACK support.
      )
 
@@ -332,13 +344,17 @@ set(PIPEDAL_LIBS libpipedald zip
  
 add_library(libpipedald STATIC ${PIPEDAL_SOURCES})
 
-target_include_directories(libpipedald PRIVATE ${PIPEDAL_INCLUDES}
+target_compile_definitions(libpipedald PUBLIC "_REENTRANT")
+
+target_include_directories(libpipedald PUBLIC ${PIPEDAL_INCLUDES} 
     ) 
 
 target_link_libraries(libpipedald 
     PUBLIC 
    PiPedalCommon
-   SQLiteCpp)
+   SQLiteCpp
+   ${PipeWire_LIBRARIES}
+   )
 
 if(${USE_PCH})
   target_precompile_headers(libpipedald PRIVATE pch.h)
@@ -360,6 +376,7 @@ target_link_libraries(pipedal_kconfig
   PRIVATE ftxui::dom
   PRIVATE ftxui::component  # Not needed for this example.
   PRIVATE PiPedalCommon
+  asound
   systemd
 ) 
 
@@ -378,6 +395,7 @@ target_link_libraries(pipedald PRIVATE PiPedalCommon
     ${PIPEDAL_LIBS}
     )
 
+
 #################################
 add_executable(hotspotManagerTest 
     hotspotManagerTestMain.cpp
@@ -385,7 +403,7 @@ add_executable(hotspotManagerTest
 
 target_link_libraries(hotspotManagerTest PRIVATE ${PIPEDAL_LIBS})
 
-set_target_properties(hotspotManagerTest PROPERTIES EXCLUDE_FROM_ALL true)
+set_target_properties(hotspotManagerTest PROPERTIES EXCLUDE_FROM_ALL ${PIPEDAL_EXCLUDE_TESTS})
 
 
 add_executable(AuxInTest
@@ -396,6 +414,7 @@ add_executable(AuxInTest
 
 add_executable(pipedaltest 
     testMain.cpp
+    PipewireInputStreamTest.cpp
 
     AudioFilesTest.cpp
     LRUCacheTest.cpp
@@ -426,7 +445,7 @@ target_link_libraries(pipedaltest PRIVATE ${PIPEDAL_LIBS} ${ICU_LIBRARIES})
 target_include_directories(pipedaltest PRIVATE ${PIPEDAL_INCLUDES}
 ) 
 
-set_target_properties(pipedaltest PROPERTIES EXCLUDE_FROM_ALL true)
+set_target_properties(pipedaltest PROPERTIES EXCLUDE_FROM_ALL ${PIPEDAL_EXCLUDE_TESTS})
 
 if (NOT GITHUB_ACTIONS) # Google perftools are not available on Github action servers.
 
@@ -462,7 +481,7 @@ target_link_libraries(jsonTest PRIVATE PiPedalCommon)
 target_include_directories(jsonTest PRIVATE ${PIPEDAL_INCLUDES}
     ) 
 
-set_target_properties(jsonTest PROPERTIES EXCLUDE_FROM_ALL true)
+set_target_properties(jsonTest PROPERTIES EXCLUDE_FROM_ALL ${PIPEDAL_EXCLUDE_TESTS})
 
 
 target_link_libraries(jsonTest PRIVATE pthread)

src/DummyAudioDriver.cpp

@@ -104,6 +104,11 @@ namespace pipedal
             captureChannels = channels;
             playbackChannels = channels;
 
+            midiEventMemoryIndex = 0;
+            midiEventMemory.resize(MIDI_MEMORY_BUFFER_SIZE);
+            midiEvents.resize(MAX_MIDI_EVENT);
+
+
         }
         virtual ~DummyDriverImpl()
         {
@@ -122,6 +127,16 @@ namespace pipedal
         }
 
         JackServerSettings jackServerSettings;
+        AlsaSequencer::ptr alsaSequencer;
+
+        static constexpr size_t MIDI_MEMORY_BUFFER_SIZE = 32 * 1024;
+        static constexpr size_t MAX_MIDI_EVENT = 4 * 1024;
+
+        size_t midiEventCount = 0;
+        std::vector<MidiEvent> midiEvents;
+        size_t midiEventMemoryIndex = 0;
+        std::vector<uint8_t> midiEventMemory;
+
 
         unsigned int periods = 0;
 
@@ -158,11 +173,13 @@ namespace pipedal
             }
         }
 
-        virtual size_t GetMidiInputEventCount() override {
+        virtual size_t GetMidiInputEventCount() override
-            return 0;
+        {
+            return midiEventCount;
         }
-        virtual MidiEvent*GetMidiEvents() {
+        virtual MidiEvent *GetMidiEvents() override
-            return nullptr;
+        {
+            return this->midiEvents.data();
         }
 
 
@@ -190,7 +207,11 @@ namespace pipedal
                 throw;
             }
         }
-             virtual std::string GetConfigurationDescription()
+        virtual void SetAlsaSequencer(AlsaSequencer::ptr alsaSequencer) override
+        {
+            this->alsaSequencer = alsaSequencer;
+        }
+        virtual std::string GetConfigurationDescription()
         {
             std::string result = SS(
                 "DUMMY, " 
@@ -219,6 +240,43 @@ namespace pipedal
 
         bool block = false;
 
+        void ReadMidiData(uint32_t audioFrame)
+        {
+            AlsaMidiMessage message;
+
+            midiEventCount = 0;
+            while(alsaSequencer->ReadMessage(message,0))
+            {
+                size_t messageSize = message.size;
+                if (messageSize == 0) 
+                {
+                    continue;
+                }
+                if (midiEventMemoryIndex + messageSize  >= this->midiEventMemory.size()) {
+                    continue;
+                }
+                if (midiEventCount >= this->midiEvents.size()) {
+                    midiEvents.resize(midiEventCount*2);
+                }
+                // for now, prevent META event messages from propagating. 
+                if (message.data[0] == 0xFF && message.size > 1) {
+                    continue;
+                }
+                MidiEvent *pEvent = midiEvents.data() + midiEventCount++;
+                pEvent->time = audioFrame;
+                pEvent->size = messageSize; 
+                pEvent->buffer = midiEventMemory.data() + midiEventMemoryIndex;
+
+                memcpy(
+                    midiEventMemory.data() + midiEventMemoryIndex,
+                    message.data,
+                    message.size);
+                midiEventMemoryIndex += messageSize;
+                
+            }
+        }
+
+
         void AudioThread()
         {
             SetThreadName("dummyAudioDriver");
@@ -231,11 +289,14 @@ namespace pipedal
 
                 while (true)
                 {
+
                     if (terminateAudio())
                     {
                         break;
                     }
 
+                    ReadMidiData((uint32_t)0);
+
                     ssize_t framesRead = this->bufferSize;
                     this->driverHost->OnProcess(framesRead);
 
@@ -335,8 +396,6 @@ namespace pipedal
             Lv2Log::debug("Audio thread joined.");
         }
 
-        static constexpr size_t MIDI_BUFFER_SIZE = 16 * 1024;
-        static constexpr size_t MAX_MIDI_EVENT = 4 * 1024;
 
     public:
 

src/HotspotManager.cpp

@@ -80,7 +80,7 @@ namespace pipedal::impl
         bool hasWifi = false;
         HasWifiListener hasWifiListener;
         void SetHasWifi(bool hasWifi);
-        virtual bool GetHasWifi() override ;
+        virtual bool GetHasWifi() override;
 
         void onClose();
         void onError(const std::string &message);
@@ -347,7 +347,7 @@ void HotspotManagerImpl::onStartMonitoring()
 
         this->networkManager = NetworkManager::Create(dbusDispatcher);
 
-        if (!networkManager->WirelessEnabled())
+        if (!networkManager->WirelessEnabled() && wifiConfigSettings.NeedsWifi())
         {
             networkManager->WirelessEnabled(true);
         }
@@ -483,6 +483,7 @@ void HotspotManagerImpl::onReload()
         // force a reload.
         StopHotspot();
         SetState(State::Monitoring);
+        StartScanTimer(); // or stop it as the case may be.
         MaybeStartHotspot();
         return;
     }
@@ -758,16 +759,26 @@ void HotspotManagerImpl::MaybeStartHotspot()
         // devices are transitioning. Do nothing.
         return;
     }
-    std::vector<AccessPoint::ptr> allAccessPoints = GetAllAccessPoints();
-    std::vector<std::vector<uint8_t>> allAccessPointSsids = GetAccessPointSsids(allAccessPoints);
-    std::vector<std::vector<uint8_t>> connectableSsids = GetKnownVisibleAccessPoints(allAccessPointSsids); // all the ssids currently visible for which we have credentials.
 
-    this->UpdateKnownNetworks(connectableSsids, allAccessPoints);
+    bool wantsHotspot;
 
-    bool wantsHotspot = this->wifiConfigSettings.WantsHotspot(
+    if (wifiConfigSettings.NeedsScan()) {
 
-        this->ethernetConnected, connectableSsids, allAccessPointSsids);
+        std::vector<AccessPoint::ptr> allAccessPoints = GetAllAccessPoints();
+        std::vector<std::vector<uint8_t>> allAccessPointSsids = GetAccessPointSsids(allAccessPoints);
+        std::vector<std::vector<uint8_t>> connectableSsids = GetKnownVisibleAccessPoints(allAccessPointSsids); // all the ssids currently visible for which we have credentials.
 
+        this->UpdateKnownNetworks(connectableSsids, allAccessPoints);
+
+        wantsHotspot = this->wifiConfigSettings.WantsHotspot(
+            this->ethernetConnected, connectableSsids, allAccessPointSsids);
+
+
+    } else {
+        wantsHotspot = this->wifiConfigSettings.WantsHotspot(
+            this->ethernetConnected);
+    }
+    
     if (this->state == State::Monitoring && wantsHotspot)
     {
         StartHotspot();
@@ -996,8 +1007,14 @@ void HotspotManagerImpl::ScanNow()
 
         try
         {
-            Lv2Log::debug("Scanning");
+            if (this->wifiConfigSettings.NeedsScan())
-            wlanWirelessDevice->RequestScan(options);
+            {
+
+                Lv2Log::debug("Scanning");
+                wlanWirelessDevice->RequestScan(options);
+            } else {
+                return;
+            }
         }
         catch (const std::exception &e)
         {
@@ -1036,7 +1053,8 @@ void HotspotManagerImpl::SetHasWifiListener(HasWifiListener &&listener)
         this->hasWifiListener(this->hasWifi);
     }
 }
-bool HotspotManagerImpl::GetHasWifi() {
+bool HotspotManagerImpl::GetHasWifi()
+{
     std::lock_guard<std::recursive_mutex> lock{this->networkChangingListenerMutex};
     return hasWifi;
 }
@@ -1112,17 +1130,20 @@ static bool IsNetworkManagerRunning()
         return gUsingNetworkManager;
     }
     bool bResult = false;
-    auto result = sysExecForOutput("systemctl","is-active NetworkManager");
+    auto result = sysExecForOutput("systemctl", "is-active NetworkManager");
     if (result.exitCode == EXIT_SUCCESS)
     {
-        std::string text = result.output.erase(result.output.find_last_not_of(" \n\r\t")+1);
+        std::string text = result.output.erase(result.output.find_last_not_of(" \n\r\t") + 1);
         if (text == "active")
         {
             bResult = true;
-        } else if (text == "inactive")
+        }
+        else if (text == "inactive")
         {
             bResult = false;
-        } else {
+        }
+        else
+        {
             throw std::runtime_error(SS("UsingNetworkManager: unexpected result (" << text << ")"));
         }
         gNetworkManagerTestExecuted = true;
@@ -1134,19 +1155,17 @@ static bool IsNetworkManagerRunning()
     return false;
 }
 
-
 bool HotspotManager::HasWifiDevice()
 {
     // use procfs to decide this, as NetworkManager may not be available yet.
-    if ( !(get_wireless_interfaces_sysfs().empty()) )
+    if (!(get_wireless_interfaces_sysfs().empty()))
     {
         return false;
     }
 
-    if (!IsNetworkManagerRunning()) 
+    if (!IsNetworkManagerRunning())
     {
         return false;
     }
     return true;
-
 }

src/JackConfiguration.cpp

@@ -23,6 +23,7 @@
 #include "AlsaDriver.hpp"
 #include "Lv2Log.hpp"
 #include "PiPedalException.hpp"
+#include "AlsaSequencer.hpp"
 
 
 #if JACK_HOST
@@ -106,6 +107,23 @@ namespace pipedal {
 #endif
 }
 
+static std::vector<AlsaMidiDeviceInfo> GetAlsaSequencers() {
+    std::vector<AlsaMidiDeviceInfo> result;
+    try {
+        auto sequencer = AlsaSequencer::Create();
+        if (sequencer)
+        {
+            std::vector<AlsaSequencerPort> ports = sequencer->EnumeratePorts();
+            for (const auto &port : ports)
+            {
+                result.push_back(AlsaMidiDeviceInfo(port.id.c_str(), port.name.c_str()));
+            }
+        }
+    } catch (const std::exception& e) {
+        Lv2Log::error("Failed to enumerate ALSA sequencers: %s", e.what());
+    }
+    return result;
+}
 void JackConfiguration::AlsaInitialize(
     const JackServerSettings &jackServerSettings)
 {
@@ -116,7 +134,7 @@ void JackConfiguration::AlsaInitialize(
     {
         this->inputMidiDevices_.clear();
     } else {
-        this->inputMidiDevices_ = GetAlsaMidiInputDevices();
+        this->inputMidiDevices_ = GetAlsaSequencers(); // NB: Sequencers, not rawmidi devices, anymore.
     }
     if (jackServerSettings.IsValid())
     {

src/JackConfiguration.hpp

@@ -107,7 +107,13 @@ namespace pipedal
             return outputAudioPorts_;
         }
 
-        const std::vector<AlsaMidiDeviceInfo>& GetInputMidiDevices() const
+        // replaced with AlsaSequencerConfiguration
+        const std::vector<AlsaMidiDeviceInfo>& LegacyGetInputMidiDevices() const
+        {
+            return inputMidiDevices_;
+        }
+        // replaced with AlsaSequencerConfiguration
+        std::vector<AlsaMidiDeviceInfo>& LegacyGetInputMidiDevices() 
         {
             return inputMidiDevices_;
         }

src/PiPedalAlsa.cpp

@@ -47,6 +47,7 @@ void PiPedalAlsaDevices::cacheDevice(const std::string &name, const AlsaDeviceIn
 
 std::vector<AlsaDeviceInfo> PiPedalAlsaDevices::GetAlsaDevices()
 {
+
     std::lock_guard guard{alsaMutex};
 
     std::vector<AlsaDeviceInfo> result;
@@ -118,7 +119,7 @@ std::vector<AlsaDeviceInfo> PiPedalAlsaDevices::GetAlsaDevices()
                         if (err == 0)
                         {
                             unsigned int minRate = 0, maxRate = 0;
-                        snd_pcm_uframes_t minBufferSize = 0, maxBufferSize = 0;
+                            snd_pcm_uframes_t minBufferSize = 0, maxBufferSize = 0;
                             int dir;
                             err = snd_pcm_hw_params_get_rate_min(params, &minRate, &dir);
                             if (err == 0)
@@ -143,7 +144,8 @@ std::vector<AlsaDeviceInfo> PiPedalAlsaDevices::GetAlsaDevices()
                                         info.sampleRates_.push_back(rate);
                                     }
                                 }
-                                if (minBufferSize < 16) {
+                                if (minBufferSize < 16)
+                                {
                                     minBufferSize = 16;
                                 }
 
@@ -180,7 +182,207 @@ std::vector<AlsaDeviceInfo> PiPedalAlsaDevices::GetAlsaDevices()
     return result;
 }
 
-static std::vector<AlsaMidiDeviceInfo> GetAlsaDevices(const char *devname, const char *direction)
+static void AddMidiCardDevicesToList(snd_ctl_t *ctl, int card, int device, AlsaMidiDeviceInfo::Direction direction, std::vector<AlsaMidiDeviceInfo> *result)
+{
+    snd_rawmidi_info_t *info = nullptr;
+    const char *name = nullptr;
+    const char *sub_name = nullptr;
+    int subs = 0, subs_in = 0, subs_out = 0;
+    int sub = 0;
+    int err = 0;
+    ;
+
+    snd_rawmidi_info_alloca(&info);
+    snd_rawmidi_info_set_device(info, device);
+
+    snd_rawmidi_info_set_stream(info, SND_RAWMIDI_STREAM_INPUT);
+    err = snd_ctl_rawmidi_info(ctl, info);
+    if (err >= 0)
+        subs_in = snd_rawmidi_info_get_subdevices_count(info);
+    else
+        subs_in = 0;
+
+    snd_rawmidi_info_set_stream(info, SND_RAWMIDI_STREAM_OUTPUT);
+    err = snd_ctl_rawmidi_info(ctl, info);
+    if (err >= 0)
+        subs_out = snd_rawmidi_info_get_subdevices_count(info);
+    else
+        subs_out = 0;
+
+    subs = subs_in > subs_out ? subs_in : subs_out;
+    if (!subs)
+        return;
+
+    switch (direction)
+    {
+    case AlsaMidiDeviceInfo::In:
+        if (subs_out == 0) // out for the device, in for us.
+        {
+            return; // no input devices to add
+        }
+        break;
+    case AlsaMidiDeviceInfo::Out: // in for the device, out for us.
+        if (subs_in == 0)
+        {
+            return; // no output devices to add
+        }
+        break;
+    case AlsaMidiDeviceInfo::InOut:
+        if (subs_in == 0 || subs_out == 0)
+        {
+            return; // no input or output devices to add
+        }
+        break;
+    case AlsaMidiDeviceInfo::None:
+        return; // no devices to add
+    }
+
+    for (sub = 0; sub < subs; ++sub)
+    {
+        snd_rawmidi_info_set_stream(info, direction == AlsaMidiDeviceInfo::Direction::Out ? SND_RAWMIDI_STREAM_INPUT : SND_RAWMIDI_STREAM_OUTPUT);
+        snd_rawmidi_info_set_subdevice(info, sub);
+        err = snd_ctl_rawmidi_info(ctl, info);
+        if (err < 0)
+        {
+            throw std::runtime_error(
+                SS("snd_ctl_rawmidi_info failed  for card " << card << ", device " << device << ", subdevice " << sub << ": " << snd_strerror(err)));
+        }
+        name = snd_rawmidi_info_get_name(info);
+        sub_name = snd_rawmidi_info_get_subdevice_name(info);
+        // get card name.
+        
+        std::string cardName;
+        snd_ctl_card_info_t *card_info = nullptr;
+        snd_ctl_card_info_malloc(&card_info);
+        if (snd_ctl_card_info(ctl, card_info) == 0) {
+            cardName = snd_ctl_card_info_get_name(card_info);
+        }
+        snd_ctl_card_info_free(card_info);
+        if (cardName.length() == 0)
+        {
+            return;
+        }
+        
+        if (sub == 0 && sub_name[0] == '\0')
+        {
+            AlsaMidiDeviceInfo info;
+            info.name_ = SS("hw:CARD=" << cardName << ",DEV=" << device);
+            info.description_ = SS("Virtual MIDI " << card << "-" << device);
+            info.card_ = card;
+            info.device_ = device;
+            info.subdevice_ = 0;
+            info.isVirtual_ = true;
+            info.subDevices_ = subs;
+            if (subs_in > 0 && subs_out > 0)
+            {
+                info.direction_ = AlsaMidiDeviceInfo::InOut;
+            }
+            else if (subs_in > 0)
+            {
+                info.direction_ = AlsaMidiDeviceInfo::In;
+            }
+            else if (subs_out > 0)
+            {
+                info.direction_ = AlsaMidiDeviceInfo::Out;
+            }
+            else
+            {
+                info.direction_ = AlsaMidiDeviceInfo::None;
+            }
+            result->push_back(info);
+            break;
+        }
+        else
+        {
+            AlsaMidiDeviceInfo info;
+            info.name_ = SS("hw:CARD=" << cardName << ",DEV=" << device);
+            if (sub != 0) {
+                info.name_ = SS(info.name_ << "," << sub);
+            }
+            info.description_ = sub_name;
+            info.card_ = card;
+            info.device_ = device;
+            info.subdevice_ = sub;
+            info.isVirtual_ = false;
+            info.subDevices_ = 1;
+            result->push_back(info);
+        }
+    }
+}
+static void AddMidiCardToList(int card, std::vector<AlsaMidiDeviceInfo> *result, AlsaMidiDeviceInfo::Direction direction)
+{
+    snd_ctl_t *ctl = nullptr;
+    char name[32];
+    int device;
+    int err;
+
+    sprintf(name, "hw:%d", card);
+    if ((err = snd_ctl_open(&ctl, name, 0)) < 0)
+    {
+        throw std::runtime_error(SS("cannot open control for card " << card << ": " << snd_strerror(err)));
+    }
+    device = -1;
+    for (;;)
+    {
+        if ((err = snd_ctl_rawmidi_next_device(ctl, &device)) < 0)
+        {
+            snd_ctl_close(ctl);
+            throw std::runtime_error(SS("cannot get next rawmidi device for card " << card << ": " << snd_strerror(err)));
+        }
+        if (device < 0)
+            break;
+        AddMidiCardDevicesToList(ctl, card, device, direction, result);
+    }
+    snd_ctl_close(ctl);
+}
+
+static std::vector<AlsaMidiDeviceInfo> GetAlsaDevices(const char *devname, const char *direction_)
+{
+    std::vector<AlsaMidiDeviceInfo> result;
+
+    int card, err;
+
+    AlsaMidiDeviceInfo::Direction direction;
+    if (strcmp(direction_, "Input") == 0)
+    {
+        direction = AlsaMidiDeviceInfo::In;
+    }
+    else if (strcmp(direction_, "Output") == 0)
+    {
+        direction = AlsaMidiDeviceInfo::Out;
+    }
+    else if (strcmp(direction_, "InOut") == 0)
+    {
+        direction = AlsaMidiDeviceInfo::InOut;
+    }
+    else
+    {
+        direction = AlsaMidiDeviceInfo::None;
+        return result;
+    }
+
+    card = -1;
+    if ((err = snd_card_next(&card)) < 0)
+    {
+        throw std::runtime_error(SS("snd_card_next failed.: " << snd_strerror(err)));
+    }
+    if (card < 0)
+    {
+        // no devices!
+        return result;
+    }
+    do
+    {
+        AddMidiCardToList(card, &result, direction);
+        if ((err = snd_card_next(&card)) < 0)
+        {
+            throw std::runtime_error(SS("snd_card_next failed: " << snd_strerror(err)));
+        }
+    } while (card >= 0);
+
+    return result;
+}
+static std::vector<AlsaMidiDeviceInfo> OldGetAlsaDevices(const char *devname, const char *direction)
 {
     std::vector<AlsaMidiDeviceInfo> result;
     {
@@ -214,6 +416,8 @@ static std::vector<AlsaMidiDeviceInfo> GetAlsaDevices(const char *devname, const
                     result.push_back(AlsaMidiDeviceInfo(name, desc));
                 }
             }
+            // translate rawmidi device name to device number.
+
             if (name && strcmp("null", name) != 0)
                 free(name);
             if (desc && strcmp("null", desc) != 0)
@@ -229,11 +433,11 @@ static std::vector<AlsaMidiDeviceInfo> GetAlsaDevices(const char *devname, const
     return result;
 }
 
-std::vector<AlsaMidiDeviceInfo> pipedal::GetAlsaMidiInputDevices()
+std::vector<AlsaMidiDeviceInfo> pipedal::LegacyGetAlsaMidiInputDevices()
 {
     return GetAlsaDevices("rawmidi", "Input");
 }
-std::vector<AlsaMidiDeviceInfo> pipedal::GetAlsaMidiOutputDevices()
+std::vector<AlsaMidiDeviceInfo> pipedal::LegacyGetAlsaMidiOutputDevices()
 {
     return GetAlsaDevices("rawmidi", "Output");
 }
@@ -260,6 +464,14 @@ AlsaMidiDeviceInfo::AlsaMidiDeviceInfo(const char *name, const char *description
     }
 }
 
+AlsaMidiDeviceInfo::AlsaMidiDeviceInfo(const char *name, const char *description, int card, int device, int subdevice)
+    : AlsaMidiDeviceInfo(name, description)
+{
+    this->card_ = card;
+    this->device_ = device;
+    this->subdevice_ = subdevice;
+}
+
 JSON_MAP_BEGIN(AlsaDeviceInfo)
 JSON_MAP_REFERENCE(AlsaDeviceInfo, cardId)
 JSON_MAP_REFERENCE(AlsaDeviceInfo, id)

src/PiPedalAlsa.hpp

@@ -41,11 +41,26 @@ namespace pipedal {
     };
     class AlsaMidiDeviceInfo {
     public:
+        enum Direction {
+            None = 0,
+            In = 1,
+            Out = 2,
+            InOut = 3
+        };
         AlsaMidiDeviceInfo() { }
         AlsaMidiDeviceInfo(const char*name, const char*description);
+        AlsaMidiDeviceInfo(const char*name, const char*description, int card, int device, int subdevice);
         std::string name_;
         std::string description_;
 
+        // non-serialized.
+        int card_ = -1;
+        int device_ = -1;
+        int subdevice_ = -1;
+        bool isVirtual_ = false;
+        int subDevices_ = -1;
+        Direction direction_ = Direction::None;
+
         DECLARE_JSON_MAP(AlsaMidiDeviceInfo);
 
     };
@@ -60,6 +75,9 @@ namespace pipedal {
         
         std::vector<AlsaDeviceInfo> GetAlsaDevices();
     };
-    std::vector<AlsaMidiDeviceInfo> GetAlsaMidiInputDevices();
+    // we use ALSA sequencers now instead of ALSA rawmidi devices.
-    std::vector<AlsaMidiDeviceInfo> GetAlsaMidiOutputDevices();
+    // Used by test suite to verify migration behaviour.
+    std::vector<AlsaMidiDeviceInfo> LegacyGetAlsaMidiInputDevices();
+    std::vector<AlsaMidiDeviceInfo> LegacyGetAlsaMidiOutputDevices();
+
 }

src/PiPedalAlsaTest.cpp

@@ -38,10 +38,8 @@ static void DiscoveryTest()
     auto result = devices.GetAlsaDevices();
     std::cout << result.size() << " ALSA devices found." << std::endl;
 
-    auto midiInputDevices = GetAlsaMidiInputDevices();
+    auto midiInputDevices = AlsaSequencer::EnumeratePorts();
-    std::cout << midiInputDevices.size() << " ALSA MIDI input devices found." << std::endl;
+    std::cout << midiInputDevices.size() << " ALSA MIDI input sequencers found." << std::endl;
-    auto midiOutputDevices = GetAlsaMidiOutputDevices();
-    std::cout << midiOutputDevices.size() << " ALSA MIDI output devices found." << std::endl;
 }
 
 void EnumerateSequencers()
@@ -86,27 +84,58 @@ void EnumerateSequencers()
 void ReadFromsequencerTest()
 {
     cout << "--- Reading from ALSA Sequencer" << endl;
-    AlsaSequencer sequencer;
+    AlsaSequencer::ptr sequencer = AlsaSequencer::Create();
-    sequencer.ConnectPort("V25 V25 In"); 
+
+    sequencer->ConnectPort("V25 V25 In"); 
     
     AlsaMidiMessage message;
     while (true)
     {
-        if (sequencer.ReadMessage(message))
+        if (sequencer->ReadMessage(message,true))
         {
             cout << "Received MIDI message: "
-                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc0) 
+                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc0()) 
-                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc1) 
+                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc1()) 
-                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc2) 
+                 << " " << hex << setfill('0') << setw(2) << static_cast<int>(message.cc2()) 
                  << " Timestamp: " << setw(8) << dec << message.timestamp
                  << std::endl;
         }
     }
 }
 
+void TestConfigMigration()
+{
+    cout << "--- Testing ALSA Config Migration" << endl;
+    // older versions of PiPedal uses ALSA rawmidi. 
+    // this code test coversion of rawmidi device IDs to ALSA Sequencer IDs.
+    auto rawDevices = LegacyGetAlsaMidiInputDevices();
+    auto seqDevices = AlsaSequencer::EnumeratePorts();
+
+    for (const auto&seqDevice: seqDevices) {
+        cout << seqDevice.id << " -> " << seqDevice.rawMidiDevice << endl;
+    }
+    for (const auto&rawDevice: rawDevices) {
+        std::string sequencerId = RawMidiIdToSequencerId(seqDevices,rawDevice.name_);
+        REQUIRE(!sequencerId.empty());
+        cout << rawDevice.name_ << "->" << sequencerId << std::endl;
+    }
+    cout << endl;
+
+
+}
+
 TEST_CASE("ALSA Seq Test", "[pipedal_alsa_seq_test][Build][Dev]")
 {
+
+    // hw:CARD=VirMIDI,DEV=0 VirMIDI
+    // hw:CARD=VirMIDI,DEV=1 VirMIDI
+    // hw:CARD=VirMIDI,DEV=2 VirMIDI
+    // hw:CARD=VirMIDI,DEV=3 VirMIDI
+    // hw:CARD=M2,DEV=0 M2
+    // hw:CARD=V25,DEV=0 V25
     EnumerateSequencers();
+    TestConfigMigration();
+
 
     ReadFromsequencerTest();
 }

src/PiPedalModel.cpp

@@ -296,6 +296,8 @@ void PiPedalModel::Load()
 
     this->audioHost->SetSystemMidiBindings(this->systemMidiBindings);
 
+    audioHost->SetAlsaSequencerConfiguration(storage.GetAlsaSequencerConfiguration());
+
     if (configuration.GetMLock())
     {
 #ifndef NO_MLOCK
@@ -509,7 +511,6 @@ void PiPedalModel::FireBanksChanged(int64_t clientId)
     }
 }
 
-
 void PiPedalModel::FirePedalboardChanged(int64_t clientId, bool loadAudioThread)
 {
     if (loadAudioThread)
@@ -595,14 +596,11 @@ void PiPedalModel::UpdateCurrentPedalboard(int64_t clientId, Pedalboard &pedalbo
 
         UpdateVst3Settings(pedalboard);
 
-
-
         Lv2PedalboardErrorList errorMessages;
         std::shared_ptr<Lv2Pedalboard> lv2Pedalboard{
-            this->pluginHost.UpdateLv2PedalboardStructure(pedalboard, this->lv2Pedalboard.get(), errorMessages)
+            this->pluginHost.UpdateLv2PedalboardStructure(pedalboard, this->lv2Pedalboard.get(), errorMessages)};
-        };
         this->lv2Pedalboard = lv2Pedalboard;
-    
+
         // apply the error messages to the lv2Pedalboard.
         // return true if the error messages have changed
         audioHost->SetPedalboard(lv2Pedalboard);
@@ -614,9 +612,7 @@ void PiPedalModel::UpdateCurrentPedalboard(int64_t clientId, Pedalboard &pedalbo
         UpdateRealtimeVuSubscriptions();
         UpdateRealtimeMonitorPortSubscriptions();
 
-        
+        this->FirePedalboardChanged(clientId, false);
-
-        this->FirePedalboardChanged(clientId,false);
         this->SetPresetChanged(clientId, true);
     }
 }
@@ -1400,6 +1396,77 @@ void PiPedalModel::RestartAudio(bool useDummyAudioDriver)
     }
 }
 
+void PiPedalModel::OnAlsaSequencerDeviceAdded(int client, const std::string &clientName)
+{
+    std::lock_guard<std::recursive_mutex> lock(mutex);
+    auto alsaSequencerConfiguration = this->storage.GetAlsaSequencerConfiguration();
+    std::string key = "seq:" + clientName;
+    bool interested = false;
+    for (const auto &port : alsaSequencerConfiguration.connections())
+    {
+        if (port.id().starts_with(key))
+        {
+            interested = true;
+            break;
+        }
+    }
+    if (interested)
+    {
+        Post(
+            [this]
+            {
+                // reconfigure connections.
+                std::lock_guard<std::recursive_mutex> lock(this->mutex);
+                if (this->audioHost) {
+                    this->audioHost->SetAlsaSequencerConfiguration(this->storage.GetAlsaSequencerConfiguration());
+                }
+            });
+    }
+}
+void PiPedalModel::OnAlsaSequencerDeviceRemoved(int client)
+{
+    // no action  required. 
+}
+
+void PiPedalModel::SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration)
+{
+    std::lock_guard<std::recursive_mutex> lock(mutex);
+
+    // reset midi connections even if the configuration hasn't changed.
+    this->audioHost->SetAlsaSequencerConfiguration(alsaSequencerConfiguration);
+
+    auto current = storage.GetAlsaSequencerConfiguration();
+    if (alsaSequencerConfiguration != current)
+    {
+        this->storage.SetAlsaSequencerConfiguration(alsaSequencerConfiguration);
+        // notify subscribers.
+        std::vector<IPiPedalModelSubscriber::ptr> t{subscribers.begin(), subscribers.end()};
+        for (auto &subscriber : t)
+        {
+            subscriber->OnAlsaSequencerConfigurationChanged(alsaSequencerConfiguration);
+        }
+    }
+}
+AlsaSequencerConfiguration PiPedalModel::GetAlsaSequencerConfiguration()
+{
+    std::lock_guard<std::recursive_mutex> lock(mutex);
+    return this->storage.GetAlsaSequencerConfiguration();
+}
+
+std::vector<AlsaSequencerPortSelection> PiPedalModel::GetAlsaSequencerPorts()
+{
+    auto ports = AlsaSequencer::EnumeratePorts();
+    std::vector<AlsaSequencerPortSelection> result;
+    for (auto &port : ports)
+    {
+        result.push_back(AlsaSequencerPortSelection{
+            port.id,
+            port.name,
+            port.displaySortOrder});
+    }
+    return result;
+}
+
 void PiPedalModel::SetJackChannelSelection(int64_t clientId, const JackChannelSelection &channelSelection)
 {
     {
@@ -1618,7 +1685,7 @@ void PiPedalModel::SendSetPatchProperty(
     std::lock_guard<std::recursive_mutex> lock(mutex);
     if (!audioHost)
     {
-        onError("Audio not running.");        
+        onError("Audio not running.");
         return;
     }
 
@@ -1629,8 +1696,9 @@ void PiPedalModel::SendSetPatchProperty(
         std::shared_ptr<Lv2PluginInfo> pluginInfo = GetPluginInfo(pedalboardItem->uri_);
         auto pipedalUi = pluginInfo->piPedalUI();
         auto fileProperty = pipedalUi->GetFileProperty(propertyUri);
-        if (fileProperty && value.is_string()) {
+        if (fileProperty && value.is_string())
-            
+        {
+
             json_variant abstractPath = pluginHost.AbstractPath(value);
             std::ostringstream ss;
             json_writer writer(ss);
@@ -1680,12 +1748,11 @@ void PiPedalModel::SendSetPatchProperty(
         }};
 
     LV2_URID urid = this->pluginHost.GetLv2Urid(propertyUri.c_str());
-    size_t sampleTimeout = 0.5*audioHost->GetSampleRate();
+    size_t sampleTimeout = 0.5 * audioHost->GetSampleRate();
     RealtimePatchPropertyRequest *request = new RealtimePatchPropertyRequest(
         onRequestComplete,
         clientId, instanceId, urid, atomValue, nullptr, onError,
-        sampleTimeout
+        sampleTimeout);
-    );
 
     outstandingParameterRequests.push_back(request);
     if (this->audioHost)
@@ -1753,10 +1820,10 @@ void PiPedalModel::SendGetPatchProperty(
     {
         onError("Audio stopped.");
     }
-    size_t sampleTimeout = 0.3*audioHost->GetSampleRate();
+    size_t sampleTimeout = 0.3 * audioHost->GetSampleRate();
     RealtimePatchPropertyRequest *request = new RealtimePatchPropertyRequest(
         onRequestComplete,
-        clientId, instanceId, urid, onSuccess, onError,sampleTimeout);
+        clientId, instanceId, urid, onSuccess, onError, sampleTimeout);
 
     outstandingParameterRequests.push_back(request);
     this->audioHost->sendRealtimeParameterRequest(request);
@@ -1920,7 +1987,9 @@ void PiPedalModel::UpdateDefaults(PedalboardItem *pedalboardItem, std::unordered
             {
                 pedalboardItem->midiChannelBinding(MidiChannelBinding::DefaultForMissingValue());
             }
-        } else {
+        }
+        else
+        {
             if (pedalboardItem->midiChannelBinding())
             {
                 pedalboardItem->midiChannelBinding(std::optional<MidiChannelBinding>()); // clear it.
@@ -2196,22 +2265,23 @@ void PiPedalModel::OnNotifyMidiListen(uint8_t cc0, uint8_t cc1, uint8_t cc2)
 {
     std::lock_guard<std::recursive_mutex> lock(mutex);
     bool isNote = (cc0 & 0xF0) == 0x90; // Note On
-    if (isNote && cc2 == 0) {
+    if (isNote && cc2 == 0)
+    {
         return; // Note off. Oopsie.
     }
-    bool isControl = (cc0 & 0xF0) == 0xB0; // Control Change   
+    bool isControl = (cc0 & 0xF0) == 0xB0; // Control Change
-    if (!isNote && !isControl) {
+    if (!isNote && !isControl)
+    {
         return; // Not a note on or control change.
     }
 
-
+    for (int i = 0; i < midiEventListeners.size(); ++i)
-    for (int i = 0; i < midiEventListeners.size(); ++i) 
     {
         auto &listener = midiEventListeners[i];
         auto subscriber = this->GetNotificationSubscriber(listener.clientId);
         if (subscriber)
         {
-            subscriber->OnNotifyMidiListener(listener.clientHandle, cc0,cc1,cc2);
+            subscriber->OnNotifyMidiListener(listener.clientHandle, cc0, cc1, cc2);
         }
         else
         {
@@ -2296,6 +2366,7 @@ void PiPedalModel::CancelMonitorPatchProperty(int64_t clientId, int64_t clientHa
         audioHost->SetListenForMidiEvent(false);
     }
 }
+
 std::vector<AlsaDeviceInfo> PiPedalModel::GetAlsaDevices()
 {
     std::vector<AlsaDeviceInfo> result = this->alsaDevices.GetAlsaDevices();
@@ -2353,9 +2424,9 @@ void PiPedalModel::SetSystemMidiBindings(std::vector<MidiBinding> &bindings)
     }
 }
 
-PedalboardItem*PiPedalModel::GetPedalboardItemForFileProperty(const UiFileProperty& fileProperty) 
+PedalboardItem *PiPedalModel::GetPedalboardItemForFileProperty(const UiFileProperty &fileProperty)
 {
-    for (PedalboardItem*pedalboardItem: this->pedalboard.GetAllPlugins())
+    for (PedalboardItem *pedalboardItem : this->pedalboard.GetAllPlugins())
     {
         if (pedalboardItem->pathProperties_.contains(fileProperty.patchProperty()))
         {
@@ -2369,25 +2440,24 @@ FileRequestResult PiPedalModel::GetFileList2(const std::string &relativePath_, c
     std::string relativePath = relativePath_;
     try
     {
-        if (!storage.IsInUploadsDirectory(relativePath)) 
+        if (!storage.IsInUploadsDirectory(relativePath))
         {
-            
 
             // if relativePath is in a resource directory of the plugin, then we have loaded a factory preset or are using a default property.
-            // map the resource path to the corresponding file in the uploads directory. 
+            // map the resource path to the corresponding file in the uploads directory.
             // :-(
             PedalboardItem *pedalboardItem = GetPedalboardItemForFileProperty(fileProperty);
             if (pedalboardItem)
             {
                 auto pluginInfo = GetPluginInfo(pedalboardItem->uri());
-                if (pluginInfo) {
+                if (pluginInfo)
-                    std::filesystem::path resourcePath = fs::path(pluginInfo->bundle_path())
+                {
-                        / fileProperty.resourceDirectory();
+                    std::filesystem::path resourcePath = fs::path(pluginInfo->bundle_path()) / fileProperty.resourceDirectory();
-                    if (IsSubdirectory(relativePath,resourcePath))
+                    if (IsSubdirectory(relativePath, resourcePath))
                     {
-                        fs::path t = MakeRelativePath(relativePath,resourcePath);
+                        fs::path t = MakeRelativePath(relativePath, resourcePath);
-                        t  = fileProperty.directory() / t;
+                        t = fileProperty.directory() / t;
-                        if (fs::exists(t)) 
+                        if (fs::exists(t))
                         {
                             relativePath = t;
                         }
@@ -2420,10 +2490,9 @@ std::string PiPedalModel::CopyFilePropertyFile(
     bool overwrite)
 {
     std::lock_guard<std::recursive_mutex> lock(mutex);
-    return storage.CopyFilePropertyFile(oldRelativePath, newRelativePath, uiFileProperty,overwrite);
+    return storage.CopyFilePropertyFile(oldRelativePath, newRelativePath, uiFileProperty, overwrite);
 }
 
-
 void PiPedalModel::DeleteSampleFile(const std::filesystem::path &fileName)
 {
     std::lock_guard<std::recursive_mutex> lock(mutex);
@@ -2435,28 +2504,29 @@ std::string PiPedalModel::CreateNewSampleDirectory(const std::string &relativePa
     std::lock_guard<std::recursive_mutex> lock(mutex);
     return storage.CreateNewSampleDirectory(relativePath, uiFileProperty);
 }
-FilePropertyDirectoryTree::ptr PiPedalModel::GetFilePropertydirectoryTree(const UiFileProperty &uiFileProperty,const std::string&selectedPath)
+FilePropertyDirectoryTree::ptr PiPedalModel::GetFilePropertydirectoryTree(const UiFileProperty &uiFileProperty, const std::string &selectedPath)
 {
     std::lock_guard<std::recursive_mutex> lock(mutex);
-    return storage.GetFilePropertydirectoryTree(uiFileProperty,selectedPath);
+    return storage.GetFilePropertydirectoryTree(uiFileProperty, selectedPath);
 }
 
-UiFileProperty::ptr PiPedalModel::FindLoadedPatchProperty(int64_t instanceId,const std::string&patchPropertyUri)
+UiFileProperty::ptr PiPedalModel::FindLoadedPatchProperty(int64_t instanceId, const std::string &patchPropertyUri)
 {
 
     auto pedalboardItems = pedalboard.GetAllPlugins();
 
-    for (const auto&pedalboardItem: pedalboardItems) {
+    for (const auto &pedalboardItem : pedalboardItems)
+    {
         if (pedalboardItem->instanceId() == instanceId)
         {
             Lv2PluginInfo::ptr pluginInfo = GetPluginInfo(pedalboardItem->uri());
             if (pluginInfo && pluginInfo->piPedalUI())
             {
-                for (const auto&fileProperty: pluginInfo->piPedalUI()->fileProperties())
+                for (const auto &fileProperty : pluginInfo->piPedalUI()->fileProperties())
-                if (fileProperty->patchProperty() == patchPropertyUri)
+                    if (fileProperty->patchProperty() == patchPropertyUri)
-                {
+                    {
-                    return fileProperty;
+                        return fileProperty;
-                }
+                    }
             }
         }
     }
@@ -2464,9 +2534,9 @@ UiFileProperty::ptr PiPedalModel::FindLoadedPatchProperty(int64_t instanceId,con
     throw std::runtime_error("Permission denied. Plugin not currently loaded.");
 }
 
-std::string PiPedalModel::UploadUserFile(const std::string &directory, int64_t instanceId,const std::string &patchProperty, const std::string &filename, std::istream &stream, size_t contentLength)
+std::string PiPedalModel::UploadUserFile(const std::string &directory, int64_t instanceId, const std::string &patchProperty, const std::string &filename, std::istream &stream, size_t contentLength)
 {
-    UiFileProperty::ptr fileProperty = FindLoadedPatchProperty(instanceId,patchProperty);
+    UiFileProperty::ptr fileProperty = FindLoadedPatchProperty(instanceId, patchProperty);
     if (!fileProperty)
     {
         Lv2Log::error(SS("Upload fle: Permission denied. No currently-loaded plugin provides that patch property: " << patchProperty));
@@ -2856,35 +2926,40 @@ bool PiPedalModel::GetHasWifi()
     return hasWifi;
 }
 
-std::map<std::string,std::string> PiPedalModel::GetWifiRegulatoryDomains()
+std::map<std::string, std::string> PiPedalModel::GetWifiRegulatoryDomains()
 {
-    std::map<std::string,std::string> result;
+    std::map<std::string, std::string> result;
-    try {
+    try
-        auto& regDb = RegDb::GetInstance();
+    {
+        auto &regDb = RegDb::GetInstance();
         result = regDb.getRegulatoryDomains(storage.GetConfigRoot() / "iso_codes.json");
-    } catch (const std::exception&e)
+    }
+    catch (const std::exception &e)
     {
         Lv2Log::warning(SS("Unable to query Wifi Regulatory domains. " << e.what()));
     }
     return result;
 }
 
-void PiPedalModel::CancelAudioRetry() {
+void PiPedalModel::CancelAudioRetry()
+{
     std::lock_guard<std::recursive_mutex> lock(mutex);
-    if (audioRetryPostHandle) 
+    if (audioRetryPostHandle)
     {
         // don't think this can ever happen, but if it did, it would be bad.
         this->CancelPost(audioRetryPostHandle);
         audioRetryPostHandle = 0;
     }
-
 }
-void PiPedalModel::OnAlsaDriverTerminatedAbnormally() {
+
-    // notification from the realtime thread, via the audiohost that the 
+void PiPedalModel::OnAlsaDriverTerminatedAbnormally()
+{
+    // notification from the realtime thread, via the audiohost that the
     // ALSA stream has broken. We want to restart.
 
     // get off the service thread as promptly as possible
-    this->Post([&]() {
+    this->Post([&]()
+               {
         std::lock_guard<std::recursive_mutex> lock(mutex);
         if (closed) return;
 
@@ -2932,8 +3007,7 @@ void PiPedalModel::OnAlsaDriverTerminatedAbnormally() {
         } else {
             Lv2Log::error(SS("Unable to reastart audio."));
 
-        }
+        } });
-    });
 }
 
 bool PiPedalModel::IsInUploadsDirectory(const std::string &path)
@@ -2943,26 +3017,43 @@ bool PiPedalModel::IsInUploadsDirectory(const std::string &path)
 
 void PiPedalModel::MoveAudioFile(
     const std::string &directory,
-    int32_t fromPosition, 
+    int32_t fromPosition,
-    int32_t toPosition
+    int32_t toPosition)
-) {
+{
     if (directory.empty())
     {
         throw std::runtime_error("Directory is empty.");
     }
     AudioDirectoryInfo::Ptr dir = AudioDirectoryInfo::Create(directory);
-    dir->MoveAudioFile(directory, fromPosition, toPosition);    
+    dir->MoveAudioFile(directory, fromPosition, toPosition);
 }
 void PiPedalModel::SetPedalboardItemTitle(int64_t instanceId, const std::string &title)
 {
     std::lock_guard<std::recursive_mutex> lock(mutex);
-    if (!this->pedalboard.SetItemTitle(instanceId,title))
+    if (!this->pedalboard.SetItemTitle(instanceId, title))
     {
         return;
     }
     // no need to reload the pedalboard, but we do need to notify subscribers.
-        this->SetPresetChanged(-1, true);
+    this->SetPresetChanged(-1, true);
-        this->FirePedalboardChanged(-1,false);
+    this->FirePedalboardChanged(-1, false);
-    
+}
+
+void PiPedalModel::SetTone3000Auth(const std::string &apiKey)
+{
+    std::lock_guard<std::recursive_mutex> lock(mutex);
+    storage.SetTone3000Auth(apiKey);
+    
+    std::vector<IPiPedalModelSubscriber::ptr> t{subscribers.begin(), subscribers.end()};
+    bool hasAuth = apiKey != "";
+    for (auto &subscriber : t)
+    {
+        subscriber->OnTone3000AuthChanged(hasAuth);  
+    }
+
+}
+bool PiPedalModel::HasTone3000Auth() const
+{
+    return storage.GetTone3000Auth() != "";
 }
 

src/PiPedalModel.hpp

@@ -94,7 +94,9 @@ namespace pipedal
 
         virtual void OnNetworkChanging(bool hotspotConnected) = 0;
         virtual void OnHasWifiChanged(bool hasWifi) = 0;
+        virtual void OnAlsaSequencerConfigurationChanged(const AlsaSequencerConfiguration &alsaSequencerConfiguration) = 0;
         virtual void Close() = 0;
+        virtual void OnTone3000AuthChanged(bool value) = 0;
 
     };
 
@@ -168,6 +170,7 @@ namespace pipedal
         std::vector<AtomOutputListener> atomOutputListeners;
 
         JackServerSettings jackServerSettings;
+
         PluginHost pluginHost;
         AtomConverter atomConverter; // must be AFTER pluginHost!
 
@@ -238,6 +241,8 @@ namespace pipedal
         virtual void OnNotifyMidiRealtimeEvent(RealtimeMidiEventType eventType) override;
         virtual void OnNotifyMidiRealtimeSnapshotRequest(int32_t snapshotIndex,int64_t snapshotRequestId) override;
         virtual void OnAlsaDriverTerminatedAbnormally() override;
+        virtual void OnAlsaSequencerDeviceAdded(int client, const std::string &clientName) override;
+        virtual void OnAlsaSequencerDeviceRemoved(int client) override;
 
         void OnNotifyPathPatchPropertyReceived(
             int64_t instanceId,
@@ -262,6 +267,7 @@ namespace pipedal
         void CheckForResourceInitialization(Pedalboard &pedalboard);
         UiFileProperty::ptr FindLoadedPatchProperty(int64_t instanceId,const std::string&patchPropertyUri);
 
+
     public:
         PiPedalModel();
         virtual ~PiPedalModel();
@@ -387,6 +393,11 @@ namespace pipedal
         void SetJackChannelSelection(int64_t clientId, const JackChannelSelection &channelSelection);
         JackChannelSelection GetJackChannelSelection();
 
+        void SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration);
+        AlsaSequencerConfiguration GetAlsaSequencerConfiguration();
+
+        std::vector<AlsaSequencerPortSelection> GetAlsaSequencerPorts();
+
         void SetShowStatusMonitor(bool show);
         bool GetShowStatusMonitor();
 
@@ -470,6 +481,10 @@ namespace pipedal
             int32_t to);
 
         void SetPedalboardItemTitle(int64_t instanceId, const std::string &title);
+
+        void SetTone3000Auth(const std::string &apiKey);
+        bool HasTone3000Auth() const;
+
     };
 
 } // namespace pipedal.

src/PiPedalSocket.cpp

@@ -1416,6 +1416,10 @@ public:
             pReader->read(&instanceId);
             uint64_t result = model.DeleteBank(this->clientId, instanceId);
             this->Reply(replyTo, "deleteBankItem", result);
+        } else if (message == "getHasTone3000Auth") 
+        {
+            bool result = model.HasTone3000Auth();
+            this->Reply(replyTo, "getHasTone3000Auth", result);
         }
         else if (message == "renameBank")
         {
@@ -1730,6 +1734,22 @@ public:
         {
             auto regulatoryDomains = this->model.GetWifiRegulatoryDomains();
             this->Reply(replyTo, "getWifiRegulatoryDomains", regulatoryDomains);
+        } else if (message == "setAlsaSequencerConfiguration")
+        {
+            AlsaSequencerConfiguration config;
+            pReader->read(&config);
+            this->model.SetAlsaSequencerConfiguration(config);
+            this->Reply(replyTo, "setAlsaSequencerConfiguration");
+        }
+        else if (message == "getAlsaSequencerConfiguration")
+        {
+            AlsaSequencerConfiguration config = this->model.GetAlsaSequencerConfiguration();
+            this->Reply(replyTo, "getAlsaSequencerConfiguration", config);
+        }
+        else if (message == "getAlsaSequencerPorts")
+        {
+            std::vector<AlsaSequencerPortSelection> result = model.GetAlsaSequencerPorts();
+            this->Reply(replyTo,"getAlsaSequencerPorts", result);
         }
         else
         {
@@ -1831,6 +1851,11 @@ private:
         Flush();
     }
 
+    virtual void OnAlsaSequencerConfigurationChanged(const AlsaSequencerConfiguration &alsaSequencerConfiguration) override
+    {
+        Send("onAlsaSequencerConfigurationChanged", alsaSequencerConfiguration);
+    }
+
     virtual void OnNetworkChanging(bool hotspotConnected) override
     {
         try
@@ -1842,6 +1867,10 @@ private:
         {
         }
     }
+    virtual void OnTone3000AuthChanged(bool value) 
+    {
+        Send("onTone3000AuthChanged", value);
+    }
 
     virtual void OnErrorMessage(const std::string &message)
     {

src/PipewireInputStream.cpp

@@ -0,0 +1,244 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2025 Robin E. R. Davies
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "PipewireInputStream.hpp"
+#include <thread>
+#include <atomic>
+extern "C"
+{
+#include <pipewire/pipewire.h>
+#include <spa/param/audio/format-utils.h>
+#include <spa/param/props.h>
+}
+#include <stdexcept>
+#include <string>
+
+using namespace pipedal;
+
+namespace pipedal::impl
+{
+
+    class PipeWireInputStreamImpl : public PipeWireInputStream
+    {
+    private:
+        pw_main_loop *loop = nullptr;
+        pw_stream *stream = nullptr;
+        Callback callback;
+
+        std::atomic<bool> is_running_{false};
+
+        static void on_process(void *userData)
+        {
+            PipeWireInputStreamImpl *this_ = (PipeWireInputStreamImpl *)userData;
+            this_->on_process();
+        }
+
+        void on_process()
+        {
+            pw_buffer *buf;
+
+            if ((buf = pw_stream_dequeue_buffer(stream)) == NULL)
+                return;
+
+            // Process buffer data
+            spa_buffer *sbuf = buf->buffer;
+            for (uint32_t i = 0; i < sbuf->n_datas; i++)
+            {
+                // Access audio data through sbuf->datas[i].data
+                // Size is sbuf->datas[i].chunk->size
+            }
+
+            pw_stream_queue_buffer(stream, buf);
+        }
+
+        static void on_stream_state_changed(void *userData, enum pw_stream_state old,
+                                            enum pw_stream_state state, const char *error)
+        {
+            PipeWireInputStreamImpl *this_ = (PipeWireInputStreamImpl *)userData;
+            this_->on_stream_state_changed(
+                        old, state, error);
+        }
+
+        void on_stream_state_changed(enum pw_stream_state old,
+                                     enum pw_stream_state state, const char *error)
+        {
+            if (state == PW_STREAM_STATE_ERROR)
+            {
+                pw_main_loop_quit(loop);
+                is_running_ = false;
+            }
+        }
+
+        static const struct pw_stream_events stream_events_;
+
+    public:
+        PipeWireInputStreamImpl(const std::string &stream_name,
+                                uint32_t channels,
+                                uint32_t rate )
+            : is_running_(false)
+        {
+
+            // Initialize PipeWire
+            pw_init(nullptr, nullptr);
+
+            // Create main loop
+            loop = pw_main_loop_new(nullptr);
+            if (!loop)
+            {
+                throw std::runtime_error("Failed to create main loop");
+            }
+
+            // Create stream
+            stream = pw_stream_new_simple(
+                pw_main_loop_get_loop(loop),
+                stream_name.c_str(),
+                pw_properties_new(
+                    PW_KEY_MEDIA_TYPE, "Audio",
+                    PW_KEY_MEDIA_CATEGORY, "Playback",
+                    PW_KEY_MEDIA_CLASS, "Audio/Sink",
+                    PW_KEY_NODE_NAME, stream_name.c_str(),
+                    PW_KEY_NODE_DESCRIPTION, stream_name.c_str(),
+                    PW_KEY_APP_NAME, "PiPedal Test",
+                    PW_KEY_APP_PROCESS_BINARY, "pipedaltest",
+                    PW_KEY_MEDIA_ROLE, "DSP",
+                    nullptr),
+                &stream_events_,
+                this);
+
+            if (!stream)
+            {
+                pw_main_loop_destroy(loop);
+                loop = nullptr;
+                throw std::runtime_error("Failed to create stream");
+            }
+
+            // Setup audio format
+            uint8_t buffer[1024];
+            spa_pod_builder b = {0};
+            spa_pod_builder_init(&b, buffer, sizeof(buffer));
+
+            const spa_pod *params[1];
+            spa_audio_info_raw format = {
+                .format = SPA_AUDIO_FORMAT_S16,
+                .flags = SPA_AUDIO_FLAG_NONE,
+                .rate = rate,
+                .channels = channels};
+            if (channels == 1) 
+            {
+                format.position[0] = SPA_AUDIO_CHANNEL_MONO; // Mono channel
+            }
+            else if (channels == 2)
+            {
+                format.position[0] = SPA_AUDIO_CHANNEL_FL; // Front Left
+                format.position[1] = SPA_AUDIO_CHANNEL_FR; // Front Right
+            }
+            else if (channels == 4)
+            {
+                // 3.1
+                format.position[0] = SPA_AUDIO_CHANNEL_FL; 
+                format.position[1] = SPA_AUDIO_CHANNEL_FR; 
+                format.position[2] = SPA_AUDIO_CHANNEL_FC; 
+                format.position[3] = SPA_AUDIO_CHANNEL_LFE; 
+            }
+            else
+            {
+                throw std::runtime_error("Unsupported number of channels: " + std::to_string(channels));    
+            }
+            params[0] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat, &format);
+
+            // Connect stream
+            int res = pw_stream_connect(
+                stream,
+                PW_DIRECTION_INPUT,
+                PW_ID_ANY,
+                pw_stream_flags(PW_STREAM_FLAG_AUTOCONNECT |
+                                PW_STREAM_FLAG_RT_PROCESS),
+                params, 1);
+
+            if (res < 0)
+            {
+                pw_stream_destroy(stream);
+                stream = nullptr;
+                pw_main_loop_destroy(loop);
+                loop = nullptr;
+                throw std::runtime_error("Failed to connect stream: " + std::string(strerror(-res)));
+            }
+
+            // xxx: delete me
+            pw_main_loop_run(loop);
+        }
+
+        ~PipeWireInputStreamImpl()
+        {
+            if (stream)
+            {
+                pw_stream_destroy(stream);
+            }
+            if (loop)
+            {
+                pw_main_loop_destroy(loop);
+            }
+            pw_deinit();
+        }
+
+        std::unique_ptr<std::jthread> serviceThread;
+
+
+        virtual void Activate(Callback &&callback) override
+        {
+            serviceThread = std::make_unique<std::jthread>([this]() {
+                if (!is_running_)
+            {
+                    is_running_ = true;
+                    pw_main_loop_run(loop);
+                    is_running_ = false;
+                }
+            }); 
+        }
+
+        virtual void Deactivate() override
+        {
+            if (is_running_)
+            {
+                pw_main_loop_quit(loop);
+            }
+            serviceThread = nullptr; // and join.
+        }
+
+        bool IsActive() const { return is_running_; }
+    };
+
+    const struct pw_stream_events PipeWireInputStreamImpl::stream_events_ = {
+        .version = PW_VERSION_STREAM_EVENTS,
+        .state_changed = on_stream_state_changed,
+        .process = on_process,
+    };
+}
+
+using namespace pipedal::impl;
+
+PipeWireInputStream::ptr PipeWireInputStream::Create(const std::string &streamName, int sampleRate, int channels)
+{
+    return std::make_shared<PipeWireInputStreamImpl>(streamName, channels, sampleRate);
+}

src/PipewireInputStream.hpp

@@ -0,0 +1,50 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2025 Robin E. R. Davies
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#pragma once
+
+#include <memory>
+#include <string>
+#include <functional>
+
+namespace pipedal
+{
+    class PipeWireInputStream
+    {
+    protected:
+        PipeWireInputStream() {}
+
+    public:
+        virtual ~PipeWireInputStream() {}
+
+        using self = PipeWireInputStream;
+        using ptr = std::shared_ptr<self>;
+
+        using Callback = std::function<void(const float *data, size_t size)>;
+        static ptr Create(const std::string &streamName, int sampleRate, int channels);
+
+        virtual void Activate(Callback &&callback) = 0;
+        virtual void Deactivate() = 0;
+        virtual bool IsActive() const = 0;
+    };
+}

src/PipewireInputStreamTest.cpp

@@ -0,0 +1,61 @@
+// Copyright (c) 2022 Robin Davies
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#include "pch.h"
+#include "catch.hpp"
+#include <sstream>
+#include <cstdint>
+#include <string>
+#include <iostream>
+#include "PipewireInputStream.hpp"
+
+#include "PiPedalAlsa.hpp"
+#include <atomic>
+#include <thread>
+
+using namespace pipedal;
+using namespace std;
+
+
+TEST_CASE("PipeWire Input Stream Test", "[pipewire_input_stream]")
+{
+
+    auto stream = PipeWireInputStream::Create("PiPedalTest Stream", 48000, 2);
+    REQUIRE(stream != nullptr);
+    REQUIRE(!stream->IsActive());
+    std::atomic<size_t> frameCount = 0;
+    std::atomic<size_t> *pFrameCount = &frameCount;
+    stream->Activate([pFrameCount] (
+        const float*buffer,
+        size_t size)
+    {
+        *pFrameCount += size;
+    });
+
+    size_t lastCount = frameCount;
+    while (true) {
+        size_t t = frameCount;
+        if (lastCount != t) {
+            lastCount = t;
+            cout << "Frame count: " << lastCount << endl;
+        }
+        std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    }
+}
+

src/Storage.cpp

@@ -22,6 +22,7 @@
 #include "Storage.hpp"
 #include "AudioConfig.hpp"
 #include "PiPedalException.hpp"
+#include "AlsaSequencer.hpp"
 #include <stdexcept>
 #include <sstream>
 #include "json.hpp"
@@ -253,6 +254,7 @@ void Storage::Initialize()
     LoadPluginPresetIndex();
     LoadBankIndex();
     LoadCurrentBank();
+    LoadTone3000Auth();
     try
     {
         LoadChannelSelection();
@@ -260,6 +262,8 @@ void Storage::Initialize()
     catch (const std::exception &)
     {
     }
+    LoadAlsaSequencerConfiguration();
+
     LoadWifiConfigSettings();
     LoadWifiDirectConfigSettings();
     LoadUserSettings();
@@ -308,10 +312,19 @@ std::filesystem::path Storage::GetCurrentPresetPath() const
     return this->dataRoot / "currentPreset.json";
 }
 
+std::filesystem::path Storage::GetTone3000AuthPath() const
+{
+    return this->dataRoot / "tone3000.json";
+}
+
 std::filesystem::path Storage::GetChannelSelectionFileName()
 {
     return this->dataRoot / "JackChannelSelection.json";
 }
+std::filesystem::path Storage::GetAlsaSequencerConfigurationFileName()
+{
+    return this->dataRoot / "MidiDevices.json";
+}
 std::filesystem::path Storage::GetIndexFileName() const
 {
     return this->GetPresetsDirectory() / BANKS_FILENAME;
@@ -734,6 +747,103 @@ JackChannelSelection Storage::GetJackChannelSelection(const JackConfiguration &j
     return jackChannelSelection.RemoveInvalidChannels(jackConfiguration);
 }
 
+static AlsaSequencerConfiguration MigrateRawMidiToAlsaSequencer(std::vector<AlsaMidiDeviceInfo> &selectedDevices)
+{
+    AlsaSequencerConfiguration result;
+    try
+    {
+        auto sequencerPorts = AlsaSequencer::EnumeratePorts();
+
+        // Prepare Migrate raw MIDI devices to ALSA sequencer ports.
+
+        for (auto i = selectedDevices.begin(); i != selectedDevices.end(); ++i)
+        {
+            if (i->name_.starts_with("hw:"))
+            {
+                for (const auto &port : sequencerPorts)
+                {
+                    if (i->name_ == port.rawMidiDevice)
+                    {
+                        result.connections().push_back(
+                            AlsaSequencerPortSelection(port.id, port.name, port.displaySortOrder));
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    catch (const std::exception &e)
+    {
+        Lv2Log::error(SS("Failed to migrate MIDI settings. " << e.what()));
+        // ick.
+    }
+    return result;
+}
+void Storage::LoadAlsaSequencerConfiguration()
+{
+    auto fileName = this->GetAlsaSequencerConfigurationFileName();
+
+    if (std::filesystem::exists(fileName))
+    {
+        try
+        {
+            std::ifstream s(fileName);
+            json_reader reader(s);
+            AlsaSequencerConfiguration result;
+            reader.read(&result);
+            this->alsaSequencerConfiguration = result;
+        }
+        catch (const std::exception &e)
+        {
+            Lv2Log::error("I/O error reading %s: %s", fileName.c_str(), e.what());
+        }
+    }
+    else
+    {
+
+        // migrate legacy settings from JackConfiguration?
+        if (this->isJackChannelSelectionValid)
+        {
+            this->alsaSequencerConfiguration =
+                MigrateRawMidiToAlsaSequencer(
+                    this->jackChannelSelection.LegacyGetInputMidiDevices());
+            this->jackChannelSelection.LegacyGetInputMidiDevices().clear(); // let them be clear, the next it gets updated.
+        }
+        else
+        {
+            // no legacy settings, so just create a default configuration.
+            this->alsaSequencerConfiguration = AlsaSequencerConfiguration();
+        }
+        SaveAlsaSequencerConfiguration();
+    }
+}
+void Storage::SaveAlsaSequencerConfiguration()
+{
+    auto fileName = this->GetAlsaSequencerConfigurationFileName();
+
+    try
+    {
+        pipedal::ofstream_synced s(fileName);
+        json_writer writer(s);
+        writer.write(this->alsaSequencerConfiguration);
+    }
+    catch (const std::exception &e)
+    {
+        Lv2Log::error("I/O error writing %s: %s", fileName.c_str(), e.what());
+    }
+}
+
+void Storage::SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration)
+{
+    this->alsaSequencerConfiguration = alsaSequencerConfiguration;
+    SaveAlsaSequencerConfiguration();
+}
+
+AlsaSequencerConfiguration Storage::GetAlsaSequencerConfiguration() const
+{
+    return this->alsaSequencerConfiguration;
+}
+
 void Storage::LoadChannelSelection()
 {
     auto fileName = this->GetChannelSelectionFileName();
@@ -749,7 +859,6 @@ void Storage::LoadChannelSelection()
         catch (const std::exception &e)
         {
             Lv2Log::error("I/O error reading %s: %s", fileName.c_str(), e.what());
-            throw PiPedalStateException("Unexpected error reading Jack settings file.");
         }
     }
 }
@@ -758,6 +867,8 @@ void Storage::SaveChannelSelection()
     auto fileName = this->GetChannelSelectionFileName();
     try
     {
+        // replaced with AlsaSequencerConfiguration. Delete legacy data.
+        this->jackChannelSelection.LegacyGetInputMidiDevices().clear();
         pipedal::ofstream_synced s(fileName);
         json_writer writer(s, false);
         writer.write(this->jackChannelSelection);
@@ -1745,12 +1856,14 @@ static void AddTracksToResult(
                 }
                 const auto &path = dir_entry.path();
                 auto name = path.filename().string();
-                try {
+                try
+                {
                     if (dir_entry.is_directory())
                     {
                         resultFiles.push_back(FileEntry{path, name, true, dir_entry.is_symlink()});
                     }
-                } catch (const std::exception &e)
+                }
+                catch (const std::exception &e)
                 {
                     Lv2Log::warning(SS("Failed to add directory entry: " << path.string() << " - " << e.what()));
                 }
@@ -1799,7 +1912,6 @@ static void AddTracksToResult(
             throw std::logic_error(
                 SS("AddTracksToResult failed to enumerate audio files. " << rootPath.string() << " - " << error.what()));
         }
-
     }
     catch (const std::exception &error)
     {
@@ -2498,6 +2610,47 @@ const PluginPresetIndex &Storage::GetPluginPresetIndex()
     return pluginPresetIndex;
 }
 
+void Storage::LoadTone3000Auth()
+{
+    fs::path path = GetTone3000AuthPath();
+    try
+    {
+        if (!fs::exists(path))
+        {
+            this->tone3000Auth = "";
+            return;
+        }
+        std::ifstream s(path);
+        json_reader reader(s);
+        reader.read(&(this->tone3000Auth));
+    }
+    catch (const std::exception &e)
+    {
+        Lv2Log::error("Failed to load tone3000Auth: %s", e.what());
+    }
+}
+
+void Storage::SetTone3000Auth(const std::string &apiKey)
+{
+    if (tone3000Auth != apiKey)
+    {
+        tone3000Auth = apiKey;
+
+        pipedal::ofstream_synced os(this->GetTone3000AuthPath());
+        if (!os.is_open())
+        {
+            Lv2Log::error("Failed to open Tone3000 auth file for writing.");
+            return;
+        }
+        json_writer writer(os);
+        writer.write(apiKey);
+    }
+}
+std::string Storage::GetTone3000Auth() const
+{
+    return tone3000Auth;
+}
+
 JSON_MAP_BEGIN(UserSettings)
 JSON_MAP_REFERENCE(UserSettings, governor)
 JSON_MAP_REFERENCE(UserSettings, showStatusMonitor)

src/Storage.hpp

@@ -31,6 +31,7 @@
 #include "FileEntry.hpp"
 #include <map>
 #include "FilePropertyDirectoryTree.hpp"
+#include "AlsaSequencer.hpp"
 
 
 namespace pipedal {
@@ -72,6 +73,7 @@ private:
     BankIndex bankIndex;
     BankFile currentBank;
     PluginPresetIndex pluginPresetIndex;
+    std::string tone3000Auth;
     
 private:
     void FillSampleDirectoryTree(FilePropertyDirectoryTree*node, const std::filesystem::path&directory) const;
@@ -84,7 +86,9 @@ private:
     std::filesystem::path GetIndexFileName() const;
     std::filesystem::path GetBankFileName(const std::string & name) const;
     std::filesystem::path GetChannelSelectionFileName();
+    std::filesystem::path GetAlsaSequencerConfigurationFileName();
     std::filesystem::path GetCurrentPresetPath() const;
+    std::filesystem::path GetTone3000AuthPath() const;
 
     void LoadBankIndex();
     void SaveBankIndex();
@@ -94,11 +98,19 @@ private:
 
     void LoadChannelSelection();
     void SaveChannelSelection();
+
+    void LoadAlsaSequencerConfiguration();
+    void SaveAlsaSequencerConfiguration();
+
+
     void SaveBankFile(const std::string& name,const BankFile&bankFile);
     void LoadBankFile(const std::string &name,BankFile *pBank);
     std::string GetPresetCopyName(const std::string &name);
     bool isJackChannelSelectionValid = false;
     JackChannelSelection jackChannelSelection;
+
+    AlsaSequencerConfiguration alsaSequencerConfiguration;;
+
     WifiConfigSettings wifiConfigSettings;
     WifiDirectConfigSettings wifiDirectConfigSettings;
 
@@ -126,6 +138,7 @@ public:
     void LoadWifiDirectConfigSettings();
     void LoadUserSettings();
     void SaveUserSettings();
+
     void LoadBank(int64_t instanceId);
     int64_t GetBankByMidiBankNumber(uint8_t bankNumber);
     const Pedalboard& GetCurrentPreset();
@@ -181,6 +194,10 @@ public:
     void SaveCurrentPreset(const CurrentPreset &currentPreset);
     bool RestoreCurrentPreset(CurrentPreset*pResult);
 
+    void SetAlsaSequencerConfiguration(const AlsaSequencerConfiguration &alsaSequencerConfiguration);
+    AlsaSequencerConfiguration GetAlsaSequencerConfiguration() const;
+
+
     //std::string MapPropertyFileName(Lv2PluginInfo*pluginInfo, const std::string&path);
 
 private:
@@ -239,6 +256,10 @@ public:
         const UiFileProperty&uiFileProperty,
         bool overwrite = false);
     FilePropertyDirectoryTree::ptr GetFilePropertydirectoryTree(const UiFileProperty&uiFileProperty,const std::filesystem::path&selectedPath);
+
+    void LoadTone3000Auth();
+    void SetTone3000Auth(const std::string&apiKey);
+    std::string GetTone3000Auth() const;
 };
 
 

src/WebServerConfig.cpp

@@ -188,6 +188,10 @@ public:
         {
             return true;
         }
+        else if (segment == "Tone3000Auth")
+        {
+            return true;
+        }
         else if (segment == "PluginPresets")
         {
             return true;
@@ -734,7 +738,17 @@ public:
         {
             std::string segment = request_uri.segment(1);
 
-            if (segment == "uploadPluginPresets")
+            if (segment == "Tone3000Auth") {
+                // https://www.tone3000.com/api/v1/auth?redirect_url=http://10.0.0.151:8080/var/Tone3000Auth&otp_only=true 
+                std::string apiKey = request_uri.query("api_key");
+
+                model->SetTone3000Auth(apiKey);
+
+                res.set(HttpField::content_type, "application/json");
+                res.set(HttpField::cache_control, "no-cache");
+                
+                res.setBody("\"OK\"");
+            } else if (segment == "uploadPluginPresets")
             {
                 PluginPresets presets;
                 fs::path filePath = req.get_body_temporary_file();

src/main.cpp

@@ -48,8 +48,9 @@
 #include "AudioFiles.hpp"
 
 #include <systemd/sd-daemon.h>
+#include "AlsaSequencer.hpp"
 
-using namespace  pipedal;
+using namespace pipedal;
 
 #ifdef __ARM_ARCH_ISA_A64
 #define AARCH64
@@ -81,9 +82,9 @@ static bool isJackServiceRunning()
     return std::filesystem::exists(path);
 }
 
-
 #if ENABLE_BACKTRACE
-void segvHandler(int sig) {
+void segvHandler(int sig)
+{
     void *array[10];
 
     // Get void*'s for all entries on the stack
@@ -92,26 +93,40 @@ void segvHandler(int sig) {
 
     // Print out all the frames to stderr
     const char *message = "Error: SEGV signal received.\n";
-    auto _ = write(STDERR_FILENO,message,strlen(message));
+    auto _ = write(STDERR_FILENO, message, strlen(message));
 
-    backtrace_symbols_fd(array+2, size-2, STDERR_FILENO);
+    backtrace_symbols_fd(array + 2, size - 2, STDERR_FILENO);
     _exit(EXIT_FAILURE);
 }
 
-
 static void EnableBacktrace()
 {
-    signal(SIGSEGV, segvHandler); 
+    signal(SIGSEGV, segvHandler);
-
 }
 #endif
 
-static bool TryGetLogLevel(const std::string&strLogLevel,LogLevel*result)
+static bool TryGetLogLevel(const std::string &strLogLevel, LogLevel *result)
 {
-    if (strLogLevel == "debug") {*result= LogLevel::Debug; return true;}
+    if (strLogLevel == "debug")
-    if (strLogLevel == "info") {*result= LogLevel::Info; return true;}
+    {
-    if (strLogLevel == "warning") {*result= LogLevel::Warning; return true;}
+        *result = LogLevel::Debug;
-    if (strLogLevel == "error") { *result= LogLevel::Error; return true;}
+        return true;
+    }
+    if (strLogLevel == "info")
+    {
+        *result = LogLevel::Info;
+        return true;
+    }
+    if (strLogLevel == "warning")
+    {
+        *result = LogLevel::Warning;
+        return true;
+    }
+    if (strLogLevel == "error")
+    {
+        *result = LogLevel::Error;
+        return true;
+    }
     *result = LogLevel::Info;
     return false;
 }
@@ -140,7 +155,7 @@ int main(int argc, char *argv[])
     parser.AddOption("-h", &help);
     parser.AddOption("--help", &help);
     parser.AddOption("-systemd", &systemd);
-    parser.AddOption("-log-level",&logLevel);
+    parser.AddOption("-log-level", &logLevel);
     parser.AddOption("-port", &portOption);
     parser.AddOption("-test-extra-device", &testExtraDevice); // advertise two different devices (for testing multi-device connect)
 
@@ -220,11 +235,12 @@ int main(int argc, char *argv[])
     if (logLevel.length() != 0)
     {
         LogLevel lv2LogLevel;
-        if (TryGetLogLevel(logLevel,&lv2LogLevel))
+        if (TryGetLogLevel(logLevel, &lv2LogLevel))
         {
             Lv2Log::log_level(lv2LogLevel);
-
+        }
-        } else {
+        else
+        {
             Lv2Log::error(SS("Invalid log level: " << logLevel));
             return EXIT_SUCCESS; // indicate to systemd that we don't want a restart.
         }
@@ -237,9 +253,10 @@ int main(int argc, char *argv[])
 
     // clean up orphaned temporary files.
     const std::filesystem::path webTempDirectory = "/var/pipedal/web_temp";
-    if (!webTempDirectory.empty()) {
+    if (!webTempDirectory.empty())
+    {
         std::filesystem::remove_all(webTempDirectory); //// user must belong to the pipedald grop when debugging.
-        std::filesystem::create_directories(webTempDirectory); 
+        std::filesystem::create_directories(webTempDirectory);
     }
 
     // configure AudiDirectoryInfo to use the correct directories.
@@ -273,6 +290,7 @@ int main(int argc, char *argv[])
         return EXIT_SUCCESS; // indiate to systemd that we don't want a restart.
     }
 
+
     try
     {
         {

todo.txt

@@ -1,3 +1,11 @@
+Exctly one underrun per seek in Toob Player
+
+Test autohotspot detection.
+
+
+
+check filetime conversion in gcc 12.2! (missing c++ 20 time conversion functions)
+ AudioFiles.cpp   fileTimeToInt64
 
 
 

vite/src/pipedal/AlsaSequencer.tsx

@@ -0,0 +1,53 @@
+// Copyright (c) 2025 Robin E. R. Davies
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+export class AlsaSequencerPortSelection {
+    deserialize(json: any) {
+        this.id = json.id;
+        this.name = json.name;
+        this.sortOrder = json.sortOrder;
+        return this;
+    };
+    static deserialize_array(input: any): AlsaSequencerPortSelection[] {
+        let result: AlsaSequencerPortSelection[] = [];
+        for (let i = 0; i < input.length; ++i) {
+            result[i] = new AlsaSequencerPortSelection().deserialize(input[i]);
+        }
+        return result;
+    }
+    id: string = "";
+    name: string = "";
+    sortOrder: number = 0;
+};
+
+export class AlsaSequencerConfiguration {
+    deserialize(input: any) {
+        this.connections = AlsaSequencerPortSelection.deserialize_array(input.connections);
+        return this;
+    }
+    deserialize_array(input: any): AlsaSequencerConfiguration[] {
+        let result: AlsaSequencerConfiguration[] = [];
+        for (let i = 0; i < input.length; ++i) {
+            result[i] = new AlsaSequencerConfiguration().deserialize(input[i]);
+        }
+        return result;
+    }
+
+    connections: AlsaSequencerPortSelection[] = [];
+};

vite/src/pipedal/App.tsx

@@ -19,11 +19,13 @@
 
 import React from 'react';
 import { ThemeProvider, createTheme, StyledEngineProvider } from '@mui/material/styles';
-import { CssBaseline } from '@mui/material';
+import CssBaseline  from '@mui/material/CssBaseline';
 
 import VirtualKeyboardHandler from './VirtualKeyboardHandler';
 import AppThemed from "./AppThemed";
 import { isDarkMode } from './DarkMode';
+import Tone3000AuthComplete from './Tone3000AuthComplete';
+
 
 declare module '@mui/material/styles' {
     interface Theme {
@@ -221,6 +223,12 @@ type AppThemeProps = {
 };
 
 
+function isTone3000Auth() {
+    let url = new URL(window.location.href);
+    let param =  url.searchParams.get("api_key");
+    return (param !== null && param !== "") 
+}
+
 const App = (class extends React.Component {
     // Before the component mounts, we initialise our state
 
@@ -240,8 +248,11 @@ const App = (class extends React.Component {
             <StyledEngineProvider injectFirst>
                 <ThemeProvider theme={theme}>
                     <CssBaseline />
-
+                    {isTone3000Auth() ? (
-                    <AppThemed />
+                        <Tone3000AuthComplete />
+                    ) : (
+                        <AppThemed />
+                    )}
                 </ThemeProvider>
             </StyledEngineProvider>
         );

vite/src/pipedal/FilePropertyDialog.tsx

@@ -21,6 +21,10 @@
 import React from 'react';
 import { createStyles } from './WithStyles';
 
+// import Tone3000Dialog from './Tone3000Dialog';
+import Tone3000HelpDialog from './Tone3000HelpDialog';
+import HelpOutlineIcon from '@mui/icons-material/HelpOutline';
+import Link from '@mui/material/Link';
 import DraggableButtonBase from './DraggableButtonBase';
 import CloseIcon from '@mui/icons-material/Close';
 import { Theme } from '@mui/material/styles';
@@ -64,6 +68,8 @@ import FilePropertyDirectorySelectDialog from './FilePropertyDirectorySelectDial
 import { getAlbumArtUri, getTrackTitle } from './AudioFileMetadata';
 
 
+const ToobNamModelFileUrl = "http://two-play.com/plugins/toob-nam#modelFile";
+
 const AUTOSCROLL_TICK_DELAY = 30;
 const AUTOSCROLL_THRESHOLD = 48;
 const AUTOSCROLL_SCROLL_PER_SECOND = 500;
@@ -161,6 +167,8 @@ export interface FilePropertyDialogState {
     initialSelection: string;
     multiSelect: boolean,
     selectedFiles: string[],
+    //openTone3000Dialog: boolean,
+    openTone3000Help: boolean
 
 };
 
@@ -231,7 +239,9 @@ export default withStyles(
                 copyDialogOpen: false,
                 initialSelection: this.props.selectedFile,
                 multiSelect: false,
-                selectedFiles: []
+                selectedFiles: [],
+                //openTone3000Dialog: false,
+                openTone3000Help: false
             };
             this.requestScroll = true;
         }
@@ -362,7 +372,7 @@ export default withStyles(
                         dragElementDy: 0,
                         from: index,
                         to: index,
-                        lastMousePoint: {...this.longPressStartPoint}
+                        lastMousePoint: { ...this.longPressStartPoint }
                     };
                     this.setState({ dragState: dragState });
                 }
@@ -882,7 +892,6 @@ export default withStyles(
                         style={{ marginLeft: 16, marginBottom: 8, marginRight: 8, textOverflow: "", display: "flex", flexFlow: "row wrap", alignItems: "center", justifyContent: "start" }}>
                         {breadcrumbs}
                     </div>
-                    <Divider />
                 </div>
             );
         }
@@ -998,8 +1007,7 @@ export default withStyles(
             let dragElementDy = dragState.lastMousePoint.y - this.longPressStartPoint.y;
             let originalY = dragState.from * dragState.height;
             let newY = originalY + dragElementDy;
-            if (newY < 0) 
+            if (newY < 0) {
-            {
                 newY = 0;
                 dragElementDy = -originalY;
             }
@@ -1040,9 +1048,26 @@ export default withStyles(
                 () => { this.handleAutoScrollTick() }, AUTOSCROLL_TICK_DELAY);
         }
 
+        // handleTone3000Dialog(e: React.MouseEvent<HTMLButtonElement>) {
+        //     e.stopPropagation();
+        //     e.preventDefault();
+
+        //     this.setState({ openTone3000Dialog: true });
+
+        // }
+
+
+        handleTone3000Help(e: React.MouseEvent<HTMLButtonElement>) {
+            e.stopPropagation();
+            e.preventDefault();
+
+            this.setState({ openTone3000Help: true });
+
+        }
 
         render() {
             const isTracksDirectory = this.isTracksDirectory();
+            const isToobNamModelFile = this.props.fileProperty.patchProperty === ToobNamModelFileUrl;
 
             const classes = withStyles.getClasses(this.props);
             let columnWidth = this.state.columnWidth;
@@ -1102,7 +1127,7 @@ export default withStyles(
                             background: this.state.reordering || this.state.multiSelect ?
                                 (isDarkMode() ? "#523" : "#EDF")
                                 : undefined,
-                            marginBottom: 16, paddingTop: 0
+                            marginBottom: 8, paddingTop: 0
                         }} >
                             {this.state.reordering && (
                                 <Toolbar style={{ padding: 0 }}>
@@ -1257,7 +1282,7 @@ export default withStyles(
                             </div>
 
                         </DialogTitle>
-                        <DialogContent style={{
+                        <DialogContent dividers style={{
                             paddingLeft: 0, paddingRight: 0, paddingTop: 0, colorScheme: (isDarkMode() ? "dark" : "light"),
                             position: "relative"
                         }}
@@ -1284,7 +1309,8 @@ export default withStyles(
                                 ref={(element) => { this.listContainerElementRef = element; this.onMeasureRef(element); }}
                                 style={{
                                     flex: "1 1 100%", display: "flex", flexFlow: "row wrap",
-                                    position: "relative", justifyContent: "flex-start", alignContent: "flex-start", paddingLeft: 16, paddingBottom: 16
+                                    position: "relative", justifyContent: "flex-start", alignContent: "flex-start",
+                                    paddingLeft: 16, paddingBottom: 16, paddingTop: 16,
                                 }}>
                                 {
                                     (this.state.columns !== 0) && // don't render until we have number of columns derived from layout.
@@ -1461,45 +1487,64 @@ export default withStyles(
                         </DialogContent>
                         {(!this.state.reordering && !this.state.multiSelect) && (
                             <>
-                                <Divider />
                                 <DialogActions style={{ justifyContent: "stretch" }}>
                                     {this.state.windowWidth > 500 ? (
-                                        <div style={{ display: "flex", width: "100%", alignItems: "center", flexFlow: "row nowrap" }}>
+                                        <div style={{ display: "flex", width: "100%", alignItems: "center", flexFlow: "column nowrap" }}>
-                                            <IconButtonEx style={{ visibility: (this.state.hasSelection ? "visible" : "hidden") }} aria-label="delete" component="label" color="primary"
+                                            {isToobNamModelFile && (
-                                                tooltip="Delete selected file or folder"
+                                                <div style={{
-                                                disabled={!this.state.hasSelection || this.state.selectedFile === "" || protectedItem}
+                                                    display: "flex", flexFlow: "row nowrap", justifyContent: "center",
-                                                onClick={() => this.handleDelete()} >
+                                                    alignItems: "center", width: "100%"
-                                                <OldDeleteIcon fontSize='small' />
+                                                }}>
-                                            </IconButtonEx>
+                                                    <Typography variant="body2" >
+                                                        Download model files from <Link
+                                                            href="https://www.tone3000.com/search" target="_blank">TONE3000</Link>
+                                                    </Typography>
+                                                    <IconButtonEx tooltip="Help"
+                                                    onClick={(e) => { this.handleTone3000Help(e); }} aria-label="help" edge="end" color="inherit" style={{ opacity: 0.6, marginLeft: 8 }}
+                                                    >
+                                                        <HelpOutlineIcon />
+                                                    </IconButtonEx>
+                                                </div>
 
-                                            <ButtonEx tooltip="Upload file" style={{ flex: "0 0 auto" }} aria-label="upload" variant="text" startIcon={<FileUploadIcon />}
+                                            )}
-                                                onClick={() => { this.setState({ openUploadFileDialog: true }) }} disabled={protectedDirectory}
-                                            >
-                                                <div>Upload</div>
-                                            </ButtonEx>
 
-                                            <ButtonEx tooltip="Download file" style={{ flex: "0 0 auto" }} aria-label="upload" variant="text" startIcon={<FileDownloadIcon />}
+                                            <div style={{ flex: "1 1 100%", display: "flex", width: "100%", alignItems: "center", flexFlow: "row nowrap" }}>
-                                                onClick={() => { this.handleDownloadFile(); }} disabled={protectedDirectory || !this.state.hasFileSelection}
+                                                <IconButtonEx style={{ visibility: (this.state.hasSelection ? "visible" : "hidden") }} aria-label="delete" component="label" color="primary"
-                                            >
+                                                    tooltip="Delete selected file or folder"
-                                                <div>Download</div>
+                                                    disabled={!this.state.hasSelection || this.state.selectedFile === "" || protectedItem}
-                                            </ButtonEx>
+                                                    onClick={() => this.handleDelete()} >
+                                                    <OldDeleteIcon fontSize='small' />
+                                                </IconButtonEx>
 
-                                            <div style={{ flex: "1 1 auto" }}>&nbsp;</div>
+                                                <ButtonEx tooltip="Upload file" style={{ flex: "0 0 auto" }} aria-label="upload" variant="text" startIcon={<FileUploadIcon />}
+                                                    onClick={() => { this.setState({ openUploadFileDialog: true }) }} disabled={protectedDirectory}
+                                                >
+                                                    <div>Upload</div>
+                                                </ButtonEx>
 
-                                            <Button variant="dialogSecondary" onClick={() => {
+                                                <ButtonEx tooltip="Download file" style={{ flex: "0 0 auto" }} aria-label="upload" variant="text" startIcon={<FileDownloadIcon />}
-                                                this.props.onApply(this.props.fileProperty, this.state.initialSelection);
+                                                    onClick={() => { this.handleDownloadFile(); }} disabled={protectedDirectory || !this.state.hasFileSelection}
-                                                this.props.onCancel();
+                                                >
-                                            }} aria-label="cancel">
+                                                    <div>Download</div>
-                                                Cancel
+                                                </ButtonEx>
-                                            </Button>
-                                            <Button variant="dialogPrimary" style={{ flex: "0 0 auto" }}
-                                                onClick={() => { this.openSelectedFile(); }}
 
-                                                disabled={(!canSelectFile)
+                                                <div style={{ flex: "1 1 auto" }}>&nbsp;</div>
-                                                } aria-label="select"
+
-                                            >
+                                                <Button variant="dialogSecondary" onClick={() => {
-                                                {okButtonText}
+                                                    this.props.onApply(this.props.fileProperty, this.state.initialSelection);
-                                            </Button>
+                                                    this.props.onCancel();
+                                                }} aria-label="cancel">
+                                                    Cancel
+                                                </Button>
+                                                <Button variant="dialogPrimary" style={{ flex: "0 0 auto" }}
+                                                    onClick={() => { this.openSelectedFile(); }}
+
+                                                    disabled={(!canSelectFile)
+                                                    } aria-label="select"
+                                                >
+                                                    {okButtonText}
+                                                </Button>
+                                            </div>
                                         </div>
                                     ) : (
                                         <div style={{ width: "100%" }}>
@@ -1607,7 +1652,7 @@ export default withStyles(
                         {
                             this.state.renameDialogOpen && (
                                 <RenameDialog open={this.state.renameDialogOpen} defaultName={this.renameDefaultName()}
-                                    title="Rename" 
+                                    title="Rename"
                                     onOk={(newName) => { this.setState({ renameDialogOpen: false }); this.onExecuteRename(newName) }}
                                     onClose={() => { this.setState({ renameDialogOpen: false }); }}
                                     acceptActionName="OK"
@@ -1645,6 +1690,18 @@ export default withStyles(
                                 )
                             )
                         }
+                        {/* {this.state.openTone3000Dialog && (
+                            <Tone3000Dialog
+                                open={this.state.openTone3000Dialog}
+                                onClose={() => this.setState({ openTone3000Dialog: false })}
+                            />
+                        )} */}
+                        {this.state.openTone3000Help && (
+                            <Tone3000HelpDialog
+                                open={this.state.openTone3000Help}
+                                onClose={() => this.setState({ openTone3000Help: false })}
+                            />
+                        )}
                     </DialogEx>
                 );
         }

vite/src/pipedal/LoopDialog.tsx

@@ -36,7 +36,7 @@ import Slider, { SliderProps } from "@mui/material/Slider";
 import Checkbox from "@mui/material/Checkbox";
 import TimebaseSelectorDialog from "./TimebaseselectorDialog";
 import Timebase, { TimebaseUnits } from "./Timebase";
-import { useWindowHeight } from "@react-hook/window-size";
+import useWindowSize from "./UseWindowSize";
 import Button from "@mui/material/Button";
 import PlayArrow from "@mui/icons-material/PlayArrow";
 import StopIcon from '@mui/icons-material/Stop';
@@ -405,8 +405,8 @@ export default function LoopDialog(props: LoopDialogProps) {
     const [loopEnd, setLoopEnd] = React.useState(props.value.loopEnd);
 
 
-    const height = useWindowHeight();
+    const [windowSize] = useWindowSize(); 
-    const fullScreen = height < 500;
+    const fullScreen = windowSize.height < 500;
 
     function cancelPlaying() {
         props.onCancelPlaying();
@@ -444,7 +444,7 @@ export default function LoopDialog(props: LoopDialogProps) {
             open={props.isOpen}
             onEnterKey={() => {
             }}
-            fullScreen={height < 500}
+            fullScreen={fullScreen}
             sx={{
                 "& .MuiDialog-container": {
                     "& .MuiPaper-root": {

vite/src/pipedal/PiPedalModel.tsx

@@ -43,6 +43,7 @@ import { ColorTheme, getColorScheme, setColorScheme } from './DarkMode';
 import FilePropertyDirectoryTree from './FilePropertyDirectoryTree';
 import AudioFileMetadata from './AudioFileMetadata';
 import { pathFileName } from './FileUtils';
+import { AlsaSequencerConfiguration, AlsaSequencerPortSelection } from './AlsaSequencer';
 
 
 export enum State {
@@ -419,6 +420,8 @@ export class PiPedalModel //implements PiPedalModel
     webSocket?: PiPedalSocket;
 
 
+    hasTone3000Auth: ObservableProperty<boolean> = new ObservableProperty<boolean>(false);
+
     hasWifiDevice: ObservableProperty<boolean> = new ObservableProperty<boolean>(false);
     onSnapshotModified: ObservableEvent<SnapshotModifiedEvent> = new ObservableEvent<SnapshotModifiedEvent>();
 
@@ -452,6 +455,7 @@ export class PiPedalModel //implements PiPedalModel
 
     favorites: ObservableProperty<FavoritesList> = new ObservableProperty<FavoritesList>({});
 
+    alsaSequencerConfiguration : ObservableProperty<AlsaSequencerConfiguration> = new ObservableProperty<AlsaSequencerConfiguration>(new AlsaSequencerConfiguration());
 
     presets: ObservableProperty<PresetIndex> = new ObservableProperty<PresetIndex>
         (
@@ -668,6 +672,9 @@ export class PiPedalModel //implements PiPedalModel
             this.handlePluginPresetsChanged(pluginUri);
         } else if (message === "onJackConfigurationChanged") {
             this.jackConfiguration.set(new JackConfiguration().deserialize(body));
+        } else if (message === "onAlsaSequencerConfigurationChanged") {
+            this.alsaSequencerConfiguration.set(new AlsaSequencerConfiguration().deserialize(body));
+
         } else if (message === "onLoadPluginPreset") {
             let instanceId = body.instanceId as number;
             let controlValues = ControlValue.deserializeArray(body.controlValues);
@@ -755,6 +762,8 @@ export class PiPedalModel //implements PiPedalModel
         } else if (message === "onErrorMessage") {
             this.showAlert(body as string);
 
+        } else if (message == "onTone3000AuthChanged") {
+            this.hasTone3000Auth.set(body as boolean);
         }
         else if (message === "onLv2PluginsChanging") {
             this.onLv2PluginsChanging();
@@ -1134,6 +1143,12 @@ export class PiPedalModel //implements PiPedalModel
             this.jackSettings.set(new JackChannelSelection().deserialize(
                 await this.getWebSocket().request<any>("getJackSettings")
             ));
+            this.alsaSequencerConfiguration.set(new AlsaSequencerConfiguration().deserialize(
+                await this.getWebSocket().request<any>("getAlsaSequencerConfiguration")
+            ));
+            this.hasTone3000Auth.set(
+                await this.getWebSocket().request<boolean>("getHasTone3000Auth")
+            );
             this.banks.set(new BankIndex().deserialize(await this.getWebSocket().request<any>("getBankIndex")));
 
             this.favorites.set(await this.getWebSocket().request<FavoritesList>("getFavorites"));
@@ -3193,6 +3208,25 @@ export class PiPedalModel //implements PiPedalModel
         // notify the server.
         this.webSocket?.send("setPedalboardItemTitle", { instanceId: instanceId, title: title });
     }
+    setAlsaSequencerConfiguration(alsaSequencerConfiguration: AlsaSequencerConfiguration): void {
+        this.webSocket?.send("setAlsaSequencerConfiguration", alsaSequencerConfiguration);
+    }
+    async getAlsaSequencerConfiguration(): Promise<AlsaSequencerConfiguration> {
+        if (this.webSocket)
+        {
+            let  result = await this.webSocket.request<any>("getAlsaSequencerConfiguration");
+            return new AlsaSequencerConfiguration().deserialize(result);
+        }
+        throw new Error("No connection.");
+    }
+    async getAlsaSequencerPorts(): Promise<AlsaSequencerPortSelection[]> {
+        if (this.webSocket) {
+            let result = await this.webSocket.request<AlsaSequencerPortSelection[]>("getAlsaSequencerPorts");
+            return AlsaSequencerPortSelection.deserialize_array(result);
+        }
+        throw new Error("No connection.");
+    }
+
 };
 
 let instance: PiPedalModel | undefined = undefined;

vite/src/pipedal/SelectMidiChannelsDialog.tsx

@@ -17,105 +17,196 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+import React from 'react';
 import { useState } from 'react';
 import Button from '@mui/material/Button';
 import List from '@mui/material/List';
 import ListItemButton from '@mui/material/ListItemButton';
 import DialogTitle from '@mui/material/DialogTitle';
+import DialogContent from '@mui/material/DialogContent';
 import DialogActions from '@mui/material/DialogActions';
 import FormControlLabel from '@mui/material/FormControlLabel';
 import Typography from '@mui/material/Typography';
 
 import Checkbox from '@mui/material/Checkbox';
-import {AlsaMidiDeviceInfo} from './AlsaMidiDeviceInfo';
+import { AlsaSequencerConfiguration, AlsaSequencerPortSelection } from './AlsaSequencer';
 import DialogEx from './DialogEx';
 
-
+import { PiPedalModel, PiPedalModelFactory } from './PiPedalModel';
 
 export interface SelectMidiChannelsDialogProps {
     open: boolean;
-    selectedChannels: AlsaMidiDeviceInfo[];
+    onClose: () => void;
-    availableChannels: AlsaMidiDeviceInfo[];
-    onClose: (selectedChannels: AlsaMidiDeviceInfo[] | null) => void;
 }
 
-function isChecked(selectedChannels: AlsaMidiDeviceInfo[], channel: AlsaMidiDeviceInfo): boolean {
+interface DialogItem {
-    for (let i = 0; i < selectedChannels.length; ++i) {
+    id: string;
-        if (selectedChannels[i].equals(channel)) return true;
+    name: string;
-    }
+    sortOrder: number
-    return false;
+    offline: boolean;
-}
+};
-function addPort(availableChannels: AlsaMidiDeviceInfo[], selectedChannels: AlsaMidiDeviceInfo[], newChannel: AlsaMidiDeviceInfo)
-:AlsaMidiDeviceInfo[]
- {
-    let result: AlsaMidiDeviceInfo[] = [];
-    for (let i = 0; i < availableChannels.length; ++i) {
-        let channel = availableChannels[i];
-        if (isChecked(selectedChannels, channel) || channel.equals(newChannel)) {
-            result.push(channel);
-        }
-    }
-    return result;
-}
-
-function removePort(selectedChannels: AlsaMidiDeviceInfo[], channel: AlsaMidiDeviceInfo) 
-:AlsaMidiDeviceInfo[]
-{
-    let result: AlsaMidiDeviceInfo[] = [];
-    for (let i = 0; i < selectedChannels.length; ++i) {
-        if (!selectedChannels[i].equals(channel)) {
-            result.push(selectedChannels[i]);
-        }
-    }
-    return result;
-}
 
 function SelectMidiChannelsDialog(props: SelectMidiChannelsDialogProps) {
     //const classes = useStyles();
-    const { onClose, selectedChannels, availableChannels, open } = props;
+    const { open, onClose } = props;
-    const [currentSelection, setCurrentSelection] = useState(selectedChannels);
+    const [availablePorts, setAvailablePorts] = useState<AlsaSequencerPortSelection[] | null>(null);
+    const [configuration, setConfiguration] = useState<AlsaSequencerConfiguration | null>(null);
+    const [allPorts, setAllPorts] = useState<DialogItem[] | null>(null);
+    const [model] = useState<PiPedalModel>(PiPedalModelFactory.getInstance());
+    const [changed, setChanged] = useState<boolean>(false);
+    const [ readyToDisplay, setReadyToDisplay ] = useState<boolean>(false);
 
-
+    React.useEffect(() => {
-
+        if (open) {
-    let toggleSelect = (value: AlsaMidiDeviceInfo) => {
+            setReadyToDisplay(false);
-        if (!isChecked(currentSelection, value)) {
+            model.getAlsaSequencerPorts().then((ports) => {
-            setCurrentSelection(addPort(availableChannels, currentSelection, value));
+                setAvailablePorts(ports);
+            }).catch((error) => {
+                model.showAlert(error);
+                setReadyToDisplay(true);
+                setAvailablePorts(null);
+            });
+            model.getAlsaSequencerConfiguration().then((config) => {
+                setConfiguration(config);
+            }).catch((error) => {
+                model.showAlert(error);
+                setReadyToDisplay(true);
+                setConfiguration(null);
+            });
+            return () => {
+            }
         } else {
-            setCurrentSelection(removePort(currentSelection, value));
+            return () => { };
         }
+    }, [open]);
+    React.useEffect(() => {
+        if (availablePorts !== null && configuration !== null) {
+            let result: DialogItem[] = [];
+            setReadyToDisplay(true);
+            for (let port of availablePorts) {
+                result.push({
+                    id: port.id,
+                    name: port.name,
+                    sortOrder: port.sortOrder,
+                    offline: false
+                });
+            }
+
+            // include ports that have been previously selected but are not in the current list of available ports
+            for (let port of configuration.connections) {
+                if (!availablePorts.some((p) => p.id === port.id)) {
+                    result.push(
+                        {
+                            id: port.id,
+                            name: port.name,
+                            sortOrder: port.sortOrder,
+                            offline: true
+                        }
+                    );
+                }
+            }
+            result.sort((a, b) => {
+                return a.sortOrder - b.sortOrder;
+            });
+            setAllPorts(result);
+        } else {
+            setAllPorts(null);
+        }
+
+    }, [availablePorts, configuration]);
+
+    const isChecked = (value: DialogItem) => {
+        if (availablePorts === null || configuration === null) {
+            return false;
+        }
+        return configuration.connections.some((port) => port.id === value.id);
+    };
+    const setChecked = (value_: DialogItem, checked: boolean) => {
+        if (availablePorts === null || configuration === null) {
+            return;
+        }
+        let value = new AlsaSequencerPortSelection();
+        value.id = value_.id;
+        value.name = value_.name;
+        value.sortOrder = value_.sortOrder;
+        let newConnections = configuration.connections.slice();
+        if (checked) {
+            newConnections.push(value);
+        } else {
+            newConnections = newConnections.filter((port) => port.id !== value.id);
+        }
+        let newConfiguration = new AlsaSequencerConfiguration();
+        newConfiguration.connections = newConnections;
+        setConfiguration(newConfiguration);
+    };
+    let toggleSelect = (value: DialogItem) => {
+        if (availablePorts === null || configuration === null) {
+            return;
+        }
+        if (!isChecked(value)) {
+            setChecked(value, true);
+        } else {
+            setChecked(value, false);
+        }
+        setChanged(true);
     };
 
     const handleClose = (): void => {
-        onClose(null);
+        onClose();
     };
     const handleOk = (): void => {
-        onClose(currentSelection);
+        if (changed && configuration !== null) {
+            model.setAlsaSequencerConfiguration(configuration);
+        }
+        onClose();
     };
 
 
     return (
-        <DialogEx tag="midiChannels" onClose={handleClose} aria-labelledby="select-channels-title" open={open}
+        <DialogEx tag="midiChannels" onClose={handleClose} aria-labelledby="select-midi-inputs" 
-            onEnterKey={handleOk}
+            open={open && readyToDisplay}
+            fullWidth maxWidth="xs"
+            onEnterKey={handleClose}
         >
-            <DialogTitle id="simple-dialog-title">Select MIDI Device</DialogTitle>
+            <DialogTitle id="select-midi-inputs">Select MIDI Inputs</DialogTitle>
-            <List>
+            <DialogContent dividers>
-                {availableChannels.map((channel) => (
+                <List>
-                    <ListItemButton>
+                    {allPorts !== null && allPorts.length === 0 && (
-                        <FormControlLabel
+                        <Typography variant="body2" style={{ marginLeft: 32, marginRight: 24, marginTop: 8, marginBottom: 16 }}>
-                            control={
+                            No MIDI devices found.
-                                <Checkbox checked={isChecked(currentSelection, channel)} onClick={() => toggleSelect(channel)} key={channel.name} />
+                        </Typography>)}
-                            }
+                    {allPorts != null && allPorts.map((port) => (
-                            label={channel.description}
+                        <ListItemButton key={port.id}>
-                        />
+                            <FormControlLabel
-                    </ListItemButton>
+                                control={
-                )
+                                    <Checkbox
+                                        checked={isChecked(port)}
+                                        onClick={() => toggleSelect(port)} />
+                                }
+                                label={
+                                    (
+                                    <div style={{ display: "flex", flexFlow: "row nowrap", alignItems: "center" }}>
+                                        <Typography 
+                                            color={ port.offline ? "textSecondary" : "textPrimary" }
+                                            noWrap variant="body2"
+                                            style={{ flex: "1 1 auto" }}
+                                        >
+                                            {port.name}
+                                        </Typography>
+                                        {port.offline && (
+                                            <Typography color="textSecondary" variant="body2" >
+                                                (offline)
+                                            </Typography>
+                                        )}
+                                    </div>
+                                    )}                                        
+                            />
+                        </ListItemButton>
+                    )
 
-                )}
+                    )}
-                {availableChannels.length === 0 && (
+                </List>
-                    <Typography variant="body2" style={{ marginLeft: 32, marginRight: 24,marginTop:8, marginBottom: 16}}>
+            </DialogContent>
-                        No MIDI devices found.</Typography>
-                )}
-            </List>
             <DialogActions>
                 <Button onClick={handleClose} variant="dialogSecondary" >
                     Cancel

vite/src/pipedal/SettingsDialog.tsx

@@ -44,9 +44,9 @@ import WifiConfigDialog from './WifiConfigDialog';
 import WifiDirectConfigDialog from './WifiDirectConfigDialog';
 import DialogEx from './DialogEx'
 import GovernorSettings from './GovernorSettings';
-import { AlsaMidiDeviceInfo } from './AlsaMidiDeviceInfo';
 import SystemMidiBindingsDialog from './SystemMidiBindingsDialog';
 import SelectThemeDialog from './SelectThemeDialog';
+import {AlsaSequencerConfiguration} from './AlsaSequencer';
 
 import Slide, { SlideProps } from '@mui/material/Slide';
 import {createStyles} from './WithStyles';
@@ -73,6 +73,8 @@ interface SettingsDialogState {
     jackConfiguration: JackConfiguration;
     jackSettings: JackChannelSelection;
     jackServerSettings: JackServerSettings;
+    alsaSequencerConfiguration: AlsaSequencerConfiguration;
+
     jackStatus?: JackHostStatus;
     governorSettings: GovernorSettings;
     continueDisabled: boolean;
@@ -184,6 +186,7 @@ const SettingsDialog = withStyles(
                 jackConfiguration: this.model.jackConfiguration.get(),
                 jackStatus: undefined,
                 jackSettings: this.model.jackSettings.get(),
+                alsaSequencerConfiguration: this.model.alsaSequencerConfiguration.get(),
                 wifiConfigSettings: this.model.wifiConfigSettings.get(),
                 wifiDirectConfigSettings: this.model.wifiDirectConfigSettings.get(),
                 governorSettings: this.model.governorSettings.get(),
@@ -207,6 +210,7 @@ const SettingsDialog = withStyles(
                 hasWifiDevice: this.model.hasWifiDevice.get()
             };
             this.handleJackConfigurationChanged = this.handleJackConfigurationChanged.bind(this);
+            this.handleAlsaSequencerConfigurationChanged = this.handleAlsaSequencerConfigurationChanged.bind(this);
             this.handleJackSettingsChanged = this.handleJackSettingsChanged.bind(this);
             this.handleJackServerSettingsChanged = this.handleJackServerSettingsChanged.bind(this);
             this.handleWifiConfigSettingsChanged = this.handleWifiConfigSettingsChanged.bind(this);
@@ -306,6 +310,11 @@ const SettingsDialog = withStyles(
                 jackConfiguration: this.model.jackConfiguration.get()
             });
         }
+        handleAlsaSequencerConfigurationChanged(): void {
+            this.setState({
+                alsaSequencerConfiguration: this.model.alsaSequencerConfiguration.get()
+            });
+        }
 
         mounted: boolean = false;
         active: boolean = false;
@@ -333,6 +342,7 @@ const SettingsDialog = withStyles(
                     this.model.showStatusMonitor.addOnChangedHandler(this.handleShowStatusMonitorChanged);
                     this.model.jackSettings.addOnChangedHandler(this.handleJackSettingsChanged);
                     this.model.jackConfiguration.addOnChangedHandler(this.handleJackConfigurationChanged);
+                    this.model.alsaSequencerConfiguration.addOnChangedHandler(this.handleAlsaSequencerConfigurationChanged);
                     this.model.jackServerSettings.addOnChangedHandler(this.handleJackServerSettingsChanged);
                     this.model.wifiConfigSettings.addOnChangedHandler(this.handleWifiConfigSettingsChanged);
                     this.model.wifiDirectConfigSettings.addOnChangedHandler(this.handleWifiDirectConfigSettingsChanged);
@@ -352,6 +362,7 @@ const SettingsDialog = withStyles(
                         });
                     this.handleConnectionStateChanged();
                     this.handleJackConfigurationChanged();
+                    this.handleAlsaSequencerConfigurationChanged();
                     this.handleJackSettingsChanged();
                     this.handleShowStatusMonitorChanged();
                     this.handleJackServerSettingsChanged();
@@ -368,6 +379,7 @@ const SettingsDialog = withStyles(
                     this.model.showStatusMonitor.removeOnChangedHandler(this.handleShowStatusMonitorChanged);
 
                     this.model.jackConfiguration.removeOnChangedHandler(this.handleJackConfigurationChanged);
+                    this.model.alsaSequencerConfiguration.removeOnChangedHandler(this.handleAlsaSequencerConfigurationChanged);
                     this.model.jackSettings.removeOnChangedHandler(this.handleJackSettingsChanged);
                     this.model.jackServerSettings.removeOnChangedHandler(this.handleJackServerSettingsChanged);
                     this.model.wifiConfigSettings.removeOnChangedHandler(this.handleWifiConfigSettingsChanged);
@@ -437,13 +449,7 @@ const SettingsDialog = withStyles(
             });
 
         }
-        handleSelectMidiDialogResult(channels: AlsaMidiDeviceInfo[] | null): void {
+        handleSelectMidiDialogResult(): void {
-            if (channels) {
-                let newSelection: JackChannelSelection = this.state.jackSettings.clone();
-                newSelection.inputMidiDevices = channels;
-                this.model.setJackSettings(newSelection);
-
-            }
             this.setState({
                 showMidiSelectDialog: false,
 
@@ -477,7 +483,7 @@ const SettingsDialog = withStyles(
         }
 
         midiSummary(): string {
-            let ports = this.state.jackSettings.inputMidiDevices;
+            let ports = this.state.alsaSequencerConfiguration.connections;
             if (ports.length === 0) return "Disabled";
 
             let result = "";
@@ -485,7 +491,7 @@ const SettingsDialog = withStyles(
                 if (result.length !== 0) {
                     result += ", ";
                 }
-                result += port.description;
+                result += port.name;
             }
             return result;
         }
@@ -689,7 +695,9 @@ const SettingsDialog = withStyles(
                                         <div style={{ width: "100%" }}>
                                             <Typography className={classes.primaryItem} display="block" variant="body2" noWrap>Select MIDI input</Typography>
 
-                                            <Typography className={classes.secondaryItem} display="block" variant="caption" color="textSecondary" noWrap>{this.midiSummary()}</Typography>
+                                            <Typography className={classes.secondaryItem} display="block" variant="caption" color="textSecondary" noWrap>{
+                                                this.midiSummary()
+                                            }</Typography>
                                         </div>
                                     </ButtonBase>
                                     <ButtonBase className={classes.setting} disabled={!isConfigValid} onClick={() => this.handleMidiMessageSettings()}  >
@@ -929,9 +937,7 @@ const SettingsDialog = withStyles(
                         (this.state.showMidiSelectDialog) &&
                         (
                             <SelectMidiChannelsDialog open={this.state.showMidiSelectDialog}
-                                onClose={(selectedChannels: AlsaMidiDeviceInfo[] | null) => this.handleSelectMidiDialogResult(selectedChannels)}
+                                onClose={() => this.handleSelectMidiDialogResult()}
-                                selectedChannels={this.state.jackSettings.inputMidiDevices}
-                                availableChannels={this.state.jackConfiguration.inputMidiDevices}
                             />
 
                         )

vite/src/pipedal/Tone3000AuthComplete.tsx

@@ -0,0 +1,85 @@
+
+import React from 'react';
+import Typography from '@mui/material/Typography';
+
+import { styled } from '@mui/material/styles';
+
+
+const Frame = styled('div', {
+    name: 'MuiStat', // The component name
+    slot: 'root', // The slot name
+})(({ theme }) => ({
+    flex: "1 1 auto",
+    gap: theme.spacing(0.5),
+    padding: theme.spacing(3, 4),
+    backgroundColor: theme.palette.background.paper,
+    width: "100%",
+    height: "100%"
+}));
+
+
+interface Tone3000AuthCompleteProps {
+
+}
+
+function Tone3000AuthComplete(props: Tone3000AuthCompleteProps) {
+
+    function postApiKey() {
+        let url = new URL(window.location.href);
+        let apiKey = url.searchParams.get("api_key");
+        if (apiKey) {
+            let myUrl = new URL(window.location.href);
+            let port = myUrl.port;
+            if (port === "5173") { // when running debug server.
+                port = "8080";
+            }
+            let postUrl = "http://" + myUrl.hostname + ":" + port + "/var/Tone3000Auth?api_key=" + encodeURIComponent(apiKey);
+            fetch(postUrl, {
+                method: "POST",
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({ api_key: apiKey })
+            }).then((response) => {
+                if (!response.ok) {
+                    alert("Failed to post API key to Pipedal: " + response.statusText);
+                }
+                return response.json();
+            })
+                .catch((error) => {
+                    alert("Error posting API key to Pipedal: " + error.message);
+                })
+        } else {
+            alert("No API key found in URL.");
+        }
+    }
+    React.useEffect(() => {
+        postApiKey();
+        return () => { };
+    })
+
+    return (
+        <Frame style={{
+            position: "absolute", top: 0, left: 0, right: 0, bottom: 0,
+        }}>
+            <div style={{ display: "flex", flexFlow: "row nowrap", alignItems: "start" }}>
+                <div style={{ flex: "1 1 1px" }} />
+                <div style={{
+                    display: "flex", flexFlow: "column nowrap", alignItems: "start",
+                    maxWidth: 600, marginLeft: "auto", marginRight: "auto", gap: 16, padding: 32
+                }}>
+                    <Typography variant="h5">TONE3000 Authorization Complete</Typography>
+                    <Typography variant="body1">
+                        You have successfully obtained an access token from TONE3000, and can now download Toob Neural Amp models from TONE3000
+                        directly.</Typography>
+                    <Typography variant="body1">
+                        Close this page and return to Pipedal in order to continue.</Typography>
+                </div>
+                <div style={{ flex: "2 2 1px" }} />
+            </div>
+        </Frame>
+    );
+
+}
+
+export default Tone3000AuthComplete;

vite/src/pipedal/Tone3000Dialog.tsx

@@ -0,0 +1,163 @@
+
+
+import React from 'react';
+import Dialog from '@mui/material/Dialog';
+import DialogTitle from '@mui/material/DialogTitle';
+import DialogContent from '@mui/material/DialogContent';
+import DialogActions from '@mui/material/DialogActions';
+import Button from '@mui/material/Button';
+import Typography from '@mui/material/Typography';
+import { PiPedalModel, PiPedalModelFactory } from './PiPedalModel';
+import DialogEx from './DialogEx';
+import Link from '@mui/material/Link';
+import Toolbar from '@mui/material/Toolbar';
+import IconButtonEx from './IconButtonEx';
+import ArrowBackIcon from '@mui/icons-material/ArrowBack';
+
+
+
+
+export interface Tone3000DialogProps {
+    open: boolean;
+    onClose: () => void;
+}
+
+function Tone3000Dialog(props: Tone3000DialogProps) {
+    const { open, onClose } = props;
+
+    const model: PiPedalModel = PiPedalModelFactory.getInstance();
+
+    let [openAuthDialog, setOpenAuthDialog] = React.useState(!model.hasTone3000Auth.get());
+
+
+    React.useEffect(()=> {
+        let authListener = (value: boolean) => {
+            setOpenAuthDialog(!value);
+        }
+        model.hasTone3000Auth.addOnChangedHandler(authListener);
+        return () => {
+            model.hasTone3000Auth.removeOnChangedHandler(authListener);
+        }
+    });
+
+    function RedirectUrl() {
+        let baseUrl = new URL(window.location.href);
+        let result = "http://" + baseUrl.hostname + ":" + baseUrl.port + "/";
+        return result;
+    }
+    function AuthUrl() {
+        //return "https://www.tone3000.com/api/v1/auth?redirect_url=" + encodeURIComponent(RedirectUrl()) + "&opt_only=true";
+        return "https://www.tone3000.com/api/v1/auth?redirect_url=" + encodeURIComponent(RedirectUrl()) + "&otp_only=true";
+    }
+    return (
+        <DialogEx
+            tag="tone3000"
+            fullScreen={true}
+            open={open}
+            onEnterKey={() => { onClose(); }}
+            onClose={() => { onClose(); }}
+            aria-labelledby="tone3000-dialog-title"
+            aria-describedby="tone3000-dialog-description"
+        >
+            <DialogTitle id="tone3000-dialog-title">
+                <Toolbar style={{ padding: 0 }}>
+                    <IconButtonEx
+                        tooltip="Close"
+                        edge="start"
+                        color="inherit"
+                        aria-label="cancel"
+                        style={{ opacity: 0.6 }}
+                        onClick={() => { onClose(); }}
+                    >
+                        <ArrowBackIcon style={{ width: 24, height: 24 }} />
+                    </IconButtonEx>
+
+                    <Typography noWrap component="div" sx={{ flexGrow: 1 }}>
+                        TONE3000 Models
+                    </Typography>
+
+                </Toolbar>
+            </DialogTitle>
+            <DialogContent>
+                <Typography variant="body1">
+                    This is a placeholder for the Tone 3000 dialog.
+                </Typography>
+            </DialogContent>
+            <DialogActions>
+                <Button onClick={onClose} color="primary">
+                    Close
+                </Button>
+            </DialogActions>
+            {
+                openAuthDialog && (
+                    <Dialog
+                        fullScreen={true}
+                        open={openAuthDialog}>
+
+                        <DialogTitle id="tone3000-auth-dialog-title">
+                            <Toolbar style={{ padding: 0 }}>
+                                <IconButtonEx
+                                    tooltip="Close"
+                                    edge="start"
+                                    color="inherit"
+                                    aria-label="cancel"
+                                    style={{ opacity: 0.6 }}
+                                    onClick={() => { onClose(); }}
+                                >
+                                    <ArrowBackIcon style={{ width: 24, height: 24 }} />
+                                </IconButtonEx>
+
+                                <Typography noWrap component="div" sx={{ flexGrow: 1 }}>
+                                    TONE3000 Authorization
+                                </Typography>
+
+                            </Toolbar>
+                        </DialogTitle>
+                        <DialogContent>
+                            <div style={{ display: "flex", flexFlow: "row nowrap", alignItems: "start" }}>
+                                <div style={{ flex: "1 1 1px" }} />
+                                <div style={{
+                                    maxWidth: 500, marginLeft: "auto", marginRight: "auto",
+                                    display: "flex", flexFlow: "column nowrap", gap: 16, alignItems: "start",
+                                }}>
+                                    <Typography variant="body1" component="div" display="block" >
+                                        The <Link href="https://www.tone3000.com" target="_blank">TONE3000 website</Link> provides an
+                                        online library of models for use with TooB Neural Amp Modeller. You can download
+                                        models from the TONE3000 website onto your local machine and then upload them to
+                                        PiPedal; or, more conveniently, you can browse the TONE3000 model database directly, and download models directly
+                                        to the PiPedal server from the TONE3000 model database in a single step.
+                                    </Typography>
+                                    <Typography variant="body1" component="div" display="block" >
+                                        In order to access the TONE3000 database, you must first obtain an access token from the
+                                        TONE3000 website. Clicking on the button will take you to an external website in
+                                        order to complete the authorization process.
+                                    </Typography>
+                                    <Button variant="contained" color="primary" style={{ alignSelf: "end", marginRight: 32 }}
+                                        onClick={() => {
+                                            window.open(AuthUrl(), "_blank");
+                                        }}
+                                    >
+                                        Continue to TONE3000
+                                    </Button>
+
+                                    <Typography variant="body2" component="div" display="block" style={{ marginTop: 32 }}>
+                                        Privacy statement: PiPedal will only have access to your authorization token
+                                        which does not contain personally identifying information, and which is stored locally on
+                                        your PiPedal server. Please refer to
+                                        the <Link href="https://www.tone3000.com/privacy" target="_blank">TONE3000 privacy policy</Link> for
+                                        information on how your data is used by TONE3000.
+                                    </Typography>
+                                </div>
+                                <div style={{ flex: "2 2 1px" }} />
+                            </div>
+
+
+                        </DialogContent>
+                    </Dialog>
+                )}
+        </DialogEx>
+
+    );
+}
+
+export default Tone3000Dialog;

vite/src/pipedal/Tone3000HelpDialog.tsx

@@ -0,0 +1,92 @@
+import DialogEx from "./DialogEx";
+import DialogTitle from "@mui/material/DialogTitle";
+import DialogContent from "@mui/material/DialogContent";
+import Toolbar from "@mui/material/Toolbar";
+import IconButtonEx from "./IconButtonEx";
+import ArrowBackIcon from "@mui/icons-material/ArrowBack";
+import Typography from "@mui/material/Typography";
+import Link from "@mui/material/Link";
+
+
+
+function Tone3000HelpDialog(props: {
+    open: boolean;
+    onClose: () => void;
+}) {
+    const { open, onClose } = props;
+    return (
+        <DialogEx
+            tag="tone3000-help"
+                fullWidth={true}
+                maxWidth="sm"
+            onEnterKey={() => { onClose(); }}
+            onClose={() => { onClose(); }}
+            open={open}>
+
+            <DialogTitle >
+                <Toolbar style={{ padding: 0 }}>
+                    <IconButtonEx
+                        tooltip="Close"
+                        edge="start"
+                        color="inherit"
+                        aria-label="cancel"
+                        style={{ opacity: 0.6 }}
+                        onClick={() => { onClose(); }}
+                    >
+                        <ArrowBackIcon style={{ width: 24, height: 24 }} />
+                    </IconButtonEx>
+
+                    <Typography id="tone3000-auth-dialog-title" noWrap component="div" sx={{ flexGrow: 1 }}>
+                        TONE3000 Help
+                    </Typography>
+
+                </Toolbar>
+            </DialogTitle>
+            <DialogContent>
+                <div style={{ display: "flex", flexFlow: "row nowrap", alignItems: "start" }}>
+                    <div style={{ flex: "1 1 1px" }} />
+                    <div style={{
+                        maxWidth: 500, marginLeft: "auto", marginRight: "auto",
+                        display: "flex", flexFlow: "column nowrap", gap: 16, alignItems: "start",
+                    }}>
+                        <Typography variant="body1" component="div" display="block" >
+                            The <Link href="https://www.tone3000.com" target="_blank">TONE3000 website</Link> provides a
+                            massive collection of neural amp models that can be used by TooB Neural Amp Modeler.
+                        </Typography>
+                        <Typography variant="body1" component="div" display="block">
+                            Using TONE3000 model files in PiPedal is a two step process. First, download model files from 
+                            the website using your browser; and then upload
+                            the files in your browser's Downloads directory to the PiPedal server using 
+                            the <strong><em>Upload</em></strong> button. PiPedal 
+                            automatically extracts bundles of model files from zip archives, so manual extraction is unnecessary.
+                        </Typography>
+                        <Typography variant="body1" component="div" display="block">
+                            TONE3000 is a community-driven platform where community members share Neural Amp Modeler profiles. 
+                            The site showcases the collaborative spirit of the guitar modeling community. And all of this is made 
+                            possible by Steven Atkins' <Link href="https://www.neuralampmodeler.com/">Neural Amp Modeler library</Link>, which  forms the foundation and core of TooB Neural Amp Modeler and other NAM-based plugins.
+                        </Typography>
+                        <Typography variant="body1" component="div" display="block">
+                            If you would like to profile your own amplifiers, and effects, the TONE3000 website allows you to 
+                            generate your own NAM profiles for free. Refer to 
+                            the <Link href="https://www.tone3000.com/capture">TONE3000 website</Link> for more details.
+                            </Typography>
+                        <Typography variant="body1" component="div" display="block" >
+                            When you click on the TONE3000 link, you will be taken to an external website. The TONE3000 
+                            website is not part of PiPedal, and is not affiliated in any way with PiPedal. 
+                        </Typography>
+
+                        <Typography variant="body2" component="div" display="block" style={{ marginTop: 32 }}>
+                            Privacy statement: PiPedal has no access to personal data used by the TONE3000 website. Please refer to
+                            the <Link href="https://www.tone3000.com/privacy" target="_blank">TONE3000 privacy policy</Link> for
+                            information on how your data is used by TONE3000.
+                        </Typography>
+                    </div>
+                    <div style={{ flex: "2 2 1px" }} />
+                </div>
+
+
+            </DialogContent>
+        </DialogEx>
+    );
+}
+export default Tone3000HelpDialog;

vite/src/pipedal/ToobPlayerControl.tsx

@@ -38,7 +38,7 @@ import ButtonBase from '@mui/material/ButtonBase';
 import FilePropertyDialog from './FilePropertyDialog';
 import JsonAtom from './JsonAtom';
 import { UiFileProperty } from './Lv2Plugin';
-import { Divider } from '@mui/material';
+import Divider from '@mui/material/Divider';
 import useWindowSize from './UseWindowSize';
 import { getAlbumArtUri } from './AudioFileMetadata';
 import RepeatIcon from '@mui/icons-material/Repeat';

vite/src/pipedal/ToolTipEx.tsx

@@ -81,7 +81,7 @@ function ToolTipEx(props: ToolTipExProps) {
         if (valueTooltip === undefined)  // no timeout if there's a value tooltip
         {
             if (t > 0) {
-                console.log("ToolTipEx: starting timeout for ", t);
+                // console.log("ToolTipEx: starting timeout for ", t);
                 handle = window.setTimeout(() => {
                     setOpen(true);
                 },t);
@@ -89,7 +89,7 @@ function ToolTipEx(props: ToolTipExProps) {
         }
         return () => {
             if (handle !== null) {
-                console.log("ToolTipEx: clearing timeout for ", t);
+                // console.log("ToolTipEx: clearing timeout for ", t);
                 window.clearTimeout(handle);
             }
         };
@@ -161,6 +161,7 @@ function ToolTipEx(props: ToolTipExProps) {
             } 
         }
     }
+    
     let effectiveTitle: React.ReactNode | null = null;
     let placement: "top-start" | "right" = "top-start";
     if (valueTooltip !== undefined && !isLongPress) {
@@ -181,44 +182,40 @@ function ToolTipEx(props: ToolTipExProps) {
     return (
         <div style={{ display: 'inline-block' }}
             onClickCapture={(e) => {
-                console.log("ToolTipEx: onClickCapture");
+                // console.log("ToolTipEx: onClickCapture");
                 handleClickCapture(e);
-                setTimeout(0);
-                setOpen(false);
-                setIsLongPress(false);
-                setLongPressLeaving(true);
             }}
 
             onMouseEnter={(e)=> {
-                console.log("ToolTipEx: onMouseEnter");
+                // console.log("ToolTipEx: onMouseEnter");
                 if (!longPressLeaving) {// Don't handle mouse enter if we're in a long press leaving state
                     handleMouseEnter(e);
                 }
             }}
             onMouseLeave={(e)=> {
-                console.log("ToolTipEx: onMouseLeave");
+                // console.log("ToolTipEx: onMouseLeave");
                 handleMouseLeave(e);
             }}
 
             onPointerCancelCapture={(e) => {
-                console.log("ToolTipEx: onPointerCancelCapture");
+                // console.log("ToolTipEx: onPointerCancelCapture");
                 handlePointerCancel(e);
             }}
             onContextMenuCapture={(e) => {
-                console.log("ToolTipEx: onContextMenuCapture");
+                // console.log("ToolTipEx: onContextMenuCapture");
                 handleConextMenu(e);
                 return false;
             }}
             onPointerDownCapture={(e) => {
-                console.log("ToolTipEx: onPointerDownCapture");
+                // console.log("ToolTipEx: onPointerDownCapture");
                 handlePointerDownCapture(e);
             }}
             onPointerMoveCapture={(e) => {
-                console.log("ToolTipEx: onPointerMoveCapture");
+                // console.log("ToolTipEx: onPointerMoveCapture");
                 handlePointerMoveCapture(e);
             }}
             onPointerUpCapture={(e) => {
-                console.log("ToolTipEx: onPointerUpCapture");
+                // console.log("ToolTipEx: onPointerUpCapture");
                 handlePointerUpCapture(e);
             }}
         >

vite/src/pipedal/UseWindowSize.tsx

@@ -21,38 +21,43 @@
  *   SOFTWARE.
  */
 
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useEffect } from 'react';
 
 const getSize = () => {
-  return { 
+    return {
-    width: window.innerWidth,
+        width: window.innerWidth,
-    height: window.innerHeight,
+        height: window.innerHeight,
-  };
+    };
 };
- 
+
 export interface WindowSize {
     width: number;
     height: number;
 }
 export default function useWindowSize() {
- 
-  const [size, setSize] = useState<WindowSize>(getSize());
- 
-  const handleResize = useCallback(() => {
-    let ticking = false;
-    if (!ticking) {
-      window.requestAnimationFrame(() => {
-        setSize(getSize());
-        ticking = false;
-      });
-      ticking = true;
-    } 
-  }, []);
 
-  useEffect(() => {
+    const [size, setSize] = useState<WindowSize>(getSize());
-    window.addEventListener('resize', handleResize);
+
-    return () => window.removeEventListener('resize', handleResize);
+    useEffect(() => {
-  }, []);
+        let mounted = true;
- 
+        let handleResizeT = () => {
-  return [size];
+            let pendingCallback = false;
+            if (!pendingCallback) {
+                window.requestAnimationFrame(() => {
+                    if (mounted) {
+                        setSize(getSize());
+                        pendingCallback = false;
+                    }
+                });
+                pendingCallback = true;
+            }
+        }
+        window.addEventListener('resize', handleResizeT);
+        return () => {
+            mounted = false;
+            window.removeEventListener('resize', handleResizeT);
+        };
+    }, []);
+
+    return [size];
 }