Sync

src/ChannelRouterSettings.cpp

@@ -0,0 +1,151 @@
+// Copyright (c) 2026 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 "ChannelRouterSettings.hpp"
+#include <stdexcept>
+
+using namespace pipedal;
+
+static uint64_t countChannels(const std::vector<int64_t> &channels)
+{
+    if (channels.size() != 2)
+    {
+        throw std::runtime_error("Invalid Channel Router channel configuration.");
+    }
+    if (channels[0] == -1)
+    {
+        if (channels[1] == -1)
+        {
+            return 0;
+        }
+        else
+        {
+            return 1;
+        }
+    }
+    else
+    {
+        if (channels[1] == -1)
+        {
+            return 1;
+        }
+        if (channels[0] == channels[1])
+        {
+            return 1;
+        }
+        return 2;
+    }
+}   
+
+uint64_t ChannelRouterSettings::numberOfAudioInputChannels() const
+{
+    if (!configured_)
+    {
+        return 2;
+    }
+    return countChannels(mainInputChannels_);
+}
+uint64_t ChannelRouterSettings::numberOfAudioOutputChannels() const
+{
+    if (!configured_)
+    {
+        return 2;
+    }
+    return countChannels(mainOutputChannels_);
+}
+
+ChannelSelection::ChannelSelection(ChannelRouterSettings&settings)
+: mainInputChannels_(settings.mainInputChannels())
+, mainOutputChannels_(settings.mainOutputChannels())
+, auxInputChannels_(settings.auxInputChannels())
+, auxOutputChannels_(settings.auxOutputChannels())
+, sendInputChannels_(settings.sendInputChannels())
+, sendOutputChannels_(settings.sendOutputChannels())
+{
+    normalizeChannelSelection(); 
+}
+
+static void normalizeInputChannels(std::vector<int64_t>&channels) {
+    if (channels.size() == 2) {
+        if (channels[0] == -1 && channels[1] == -1) 
+        {
+            channels.resize(0);
+        } else if (channels[0] == channels[1]) {
+            channels.resize(1);
+        } else if (channels[1] == -1) {
+            channels.resize(1);} {
+        }
+    }
+}
+
+static void normalizeOutputChannels(std::vector<int64_t>&channels) {
+    normalizeInputChannels(channels);
+}
+
+void ChannelSelection::normalizeChannelSelection() {
+    normalizeInputChannels(mainInputChannels_);
+    normalizeOutputChannels(mainOutputChannels_);
+    normalizeInputChannels(auxInputChannels_);
+    normalizeOutputChannels(auxOutputChannels_);
+    normalizeInputChannels(sendInputChannels_);
+    normalizeOutputChannels(sendOutputChannels_);
+
+    // If either aux inputs or outputs are zero, don't do ANY aux processing.
+    if (auxInputChannels_.size() == 0) 
+    {
+        auxOutputChannels_.resize(0);
+    } else if (auxOutputChannels_.size() == 0) {
+        auxInputChannels_.resize(0);
+    }
+    // If either main inputs or outputs are empty, add send/receive dummy buffers. (Lv2 plugins shouldn't have to deal with this)
+    if (mainInputChannels_.size() == 0) 
+    {
+        mainInputChannels_.resize(1);
+        mainInputChannels_[0] = -1;
+    }
+    if (mainOutputChannels_.size() == 0) {
+        mainInputChannels_.resize(1);
+        mainOutputChannels_[0] = -1;
+    }
+    // Send buffers are what they are. Let the send plugin deal with it. 
+}
+
+
+ChannelRouterSettings::ChannelRouterSettings()
+: mainInserts_(Pedalboard::InstanceType::MainInsert)
+, auxInserts_(Pedalboard::InstanceType::AuxInsert)
+{
+    
+}
+
+
+JSON_MAP_BEGIN(ChannelRouterSettings)
+JSON_MAP_REFERENCE(ChannelRouterSettings, configured)
+JSON_MAP_REFERENCE(ChannelRouterSettings, channelRouterPresetId)
+JSON_MAP_REFERENCE(ChannelRouterSettings, mainInputChannels)
+JSON_MAP_REFERENCE(ChannelRouterSettings, mainOutputChannels)
+JSON_MAP_REFERENCE(ChannelRouterSettings, mainInserts)
+JSON_MAP_REFERENCE(ChannelRouterSettings, auxInputChannels)
+JSON_MAP_REFERENCE(ChannelRouterSettings, auxOutputChannels)
+JSON_MAP_REFERENCE(ChannelRouterSettings, auxInserts)
+JSON_MAP_REFERENCE(ChannelRouterSettings, sendInputChannels)
+JSON_MAP_REFERENCE(ChannelRouterSettings, sendOutputChannels)   
+JSON_MAP_REFERENCE(ChannelRouterSettings, controlValues)
+JSON_MAP_END()