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Separate IO

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Initial separation of input and output devices. Assisted by our super friend ChatGpt.
This commit is contained in:
ExtremesecrecyOne
2025-07-22 16:20:30 -07:00
parent 884eb31619
commit d8043d2041
9 changed files with 109 additions and 63 deletions
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src/AlsaDriver.cpp
+12 -9
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@@ -20,7 +20,7 @@
* 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 "util.hpp"
@@ -1223,7 +1223,9 @@ namespace pipedal
{
int err;
alsa_device_name = jackServerSettings.GetAlsaInputDevice();
std::string inputName = jackServerSettings.GetAlsaInputDevice();
std::string outputName = jackServerSettings.GetAlsaOutputDevice();
this->numberOfBuffers = jackServerSettings.GetNumberOfBuffers();
this->bufferSize = jackServerSettings.GetBufferSize();
@@ -1232,7 +1234,7 @@ namespace pipedal
try
{
err = snd_pcm_open(&playbackHandle, alsa_device_name.c_str(), SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
err = snd_pcm_open(&playbackHandle, outputName.c_str(), SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if (err < 0)
{
switch (errno)
@@ -1267,7 +1269,7 @@ namespace pipedal
snd_pcm_nonblock(playbackHandle, 0);
}
err = snd_pcm_open(&captureHandle, alsa_device_name.c_str(), SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
err = snd_pcm_open(&captureHandle, inputName.c_str(), SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if (err < 0)
{
@@ -1934,7 +1936,8 @@ namespace pipedal
}
}};
std::string alsaDeviceName = jackServerSettings.GetAlsaInputDevice();
std::string inDev = jackServerSettings.GetAlsaInputDevice();
std::string outDev = jackServerSettings.GetAlsaOutputDevice();
bool result = false;
try
@@ -1942,7 +1945,7 @@ namespace pipedal
int err;
for (int retry = 0; retry < 2; ++retry)
{
err = snd_pcm_open(&playbackHandle, alsaDeviceName.c_str(), SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
err = snd_pcm_open(&playbackHandle, outDev.c_str(), SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if (err < 0) // field report of a device that is present, but won't immediately open.
{
sleep(1);
@@ -1958,7 +1961,7 @@ namespace pipedal
for (int retry = 0; retry < 15; ++retry)
{
err = snd_pcm_open(&captureHandle, alsaDeviceName.c_str(), SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
err = snd_pcm_open(&captureHandle, inDev.c_str(), SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if (err == -EBUSY)
{
sleep(1);
@@ -1981,8 +1984,8 @@ namespace pipedal
snd_pcm_hw_params_any(playbackHandle, playbackHwParams);
snd_pcm_hw_params_any(captureHandle, captureHwParams);
SetPreferredAlsaFormat(alsaDeviceName, "capture", captureHandle, captureHwParams);
SetPreferredAlsaFormat(alsaDeviceName, "output", playbackHandle, playbackHwParams);
SetPreferredAlsaFormat(inDev, "capture", captureHandle, captureHwParams);
SetPreferredAlsaFormat(outDev, "output", playbackHandle, playbackHwParams);
unsigned int sampleRate = jackServerSettings.GetSampleRate();
err = snd_pcm_hw_params_set_rate_near(playbackHandle, playbackHwParams, &sampleRate, 0);
src/AlsaDriver.hpp
+1 -1
View File
@@ -20,7 +20,7 @@
* 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
src/JackConfiguration.hpp
+2 -2
View File
@@ -107,7 +107,7 @@ namespace pipedal
return outputAudioPorts_;
}
// replaced with AlsaSequencerConfiguration
// replaced with AlsaSequencerConfiguration
const std::vector<AlsaMidiDeviceInfo>& LegacyGetInputMidiDevices() const
{
return inputMidiDevices_;
@@ -125,4 +125,4 @@ namespace pipedal
};
} // namespace.
} // namespace.
src/JackServerSettings.cpp
+13 -4
View File
@@ -148,7 +148,13 @@ void JackServerSettings::ReadJackDaemonConfiguration()
this->bufferSize_ = GetJackArg(argv, "-p", "--period");
this->numberOfBuffers_ = (uint32_t)GetJackArg(argv, "-n", "--nperiods");
this->sampleRate_ = (uint32_t)GetJackArg(argv, "-r", "--rate");
this->alsaDevice_ = GetJackStringArg(argv,"-d", "--device");
// read new dual device flags, fallback on old -d/--device
std::string capDev = GetJackStringArg(argv, "-C", "--capture");
std::string playDev = GetJackStringArg(argv, "-P", "--playback");
std::string dev = "";
try { dev = GetJackStringArg(argv, "-d", "--device"); } catch(...) {}
this->alsaInputDevice_ = capDev.empty() ? dev : capDev;
this->alsaOutputDevice_ = playDev.empty() ? dev : playDev;
this->valid_ = true;
}
catch (std::exception &)
@@ -219,11 +225,13 @@ void JackServerSettings::WriteDaemonConfig()
{
output << line << endl;
}
// the style used by qjackctl. :-/
// the style used by qjackctl. :-/
// Lower to -P70 in order to allow the USB soft-irq to run at higher priority than JACK (it runs at 80).
output << "/usr/bin/jackd "
<< "-R -P70 --silent"
<< " -dalsa -d" << this->alsaDevice_
<< " -dalsa"
<< " -C" << this->GetAlsaInputDevice()
<< " -P" << this->GetAlsaOutputDevice()
<< " -r" << this->sampleRate_
<< " -p" << this->bufferSize_
<< " -n" << this->numberOfBuffers_ << " -Xseq"
@@ -246,7 +254,8 @@ JSON_MAP_REFERENCE(JackServerSettings, valid)
JSON_MAP_REFERENCE(JackServerSettings, isOnboarding)
JSON_MAP_REFERENCE(JackServerSettings, rebootRequired)
JSON_MAP_REFERENCE(JackServerSettings, isJackAudio)
JSON_MAP_REFERENCE(JackServerSettings, alsaDevice)
JSON_MAP_REFERENCE(JackServerSettings, alsaInputDevice)
JSON_MAP_REFERENCE(JackServerSettings, alsaOutputDevice)
JSON_MAP_REFERENCE(JackServerSettings, sampleRate)
JSON_MAP_REFERENCE(JackServerSettings, bufferSize)
JSON_MAP_REFERENCE(JackServerSettings, numberOfBuffers)
src/JackServerSettings.hpp
+18 -11
View File
@@ -31,18 +31,24 @@ namespace pipedal
bool isOnboarding_ = true;
bool isJackAudio_ = JACK_HOST ? true : false;
bool rebootRequired_ = false;
std::string alsaDevice_;
std::string alsaInputDevice_;
std::string alsaOutputDevice_;
uint64_t sampleRate_ = 0;
uint32_t bufferSize_ = 64;
uint32_t numberOfBuffers_ = 3;
public:
void SetAlsaInputDevice(const std::string &d){ alsaInputDevice_ = d; }
void SetAlsaOutputDevice(const std::string &d){ alsaOutputDevice_ = d; }
JackServerSettings();
JackServerSettings(
JackServerSettings(
const std::string alsaInputDevice,
uint64_t sampleRate, uint32_t bufferSize, uint32_t numberOfBuffers)
uint64_t sampleRate,
uint32_t bufferSize,
uint32_t numberOfBuffers)
: valid_(true),
alsaDevice_(alsaInputDevice),
alsaInputDevice_(alsaInputDevice),
alsaOutputDevice_(alsaInputDevice), // default same
sampleRate_(sampleRate),
bufferSize_(bufferSize),
numberOfBuffers_(numberOfBuffers),
@@ -53,16 +59,17 @@ namespace pipedal
uint64_t GetSampleRate() const { return sampleRate_; }
uint32_t GetBufferSize() const { return bufferSize_; }
uint32_t GetNumberOfBuffers() const { return numberOfBuffers_; }
const std::string &GetAlsaInputDevice() const { return alsaDevice_; }
const std::string &GetAlsaInputDevice() const { return alsaInputDevice_; }
const std::string &GetAlsaOutputDevice() const { return alsaOutputDevice_; }
void UseDummyAudioDevice() {
this->valid_ = true;
if (sampleRate_ == 0) sampleRate_ = 48000;
this->alsaDevice_ = "dummy:channels_2";
this->alsaInputDevice_ = "__DUMMY_AUDIO__dummy:channels_2";
this->alsaOutputDevice_ = "__DUMMY_AUDIO__dummy:channels_2";
}
bool IsDummyAudioDevice() const {
return
this->alsaDevice_.starts_with("__DUMMY_AUDIO__")
|| this->alsaDevice_.starts_with("dummy:");
return this->alsaInputDevice_.starts_with("__DUMMY_AUDIO__")
|| this->alsaOutputDevice_.starts_with("__DUMMY_AUDIO__");
}
void ReadJackDaemonConfiguration();
@@ -75,7 +82,7 @@ namespace pipedal
// this->rebootRequired_ = true;
// this->sampleRate_ = sampleRate;
// this->bufferSize_ = bufferSize;
// this->numberOfBuffers_ = numberOfBuffers;
// this->numberOfBuffers_ = numberOfBuffers;
// }
void WriteDaemonConfig(); // requires root perms.
void SetRebootRequired(bool value)
@@ -89,7 +96,7 @@ namespace pipedal
bool Equals(const JackServerSettings &other)
{
return this->alsaDevice_ == other.alsaDevice_ && this->sampleRate_ == other.sampleRate_ && this->bufferSize_ == other.bufferSize_ && this->numberOfBuffers_ == other.numberOfBuffers_;
return this->alsaInputDevice_ == other.alsaInputDevice_ && this->alsaOutputDevice_ == other.alsaOutputDevice_ && this->sampleRate_ == other.sampleRate_ && this->bufferSize_ == other.bufferSize_ && this->numberOfBuffers_ == other.numberOfBuffers_;
}
DECLARE_JSON_MAP(JackServerSettings);
src/WebServer.cpp
+1 -1
View File
@@ -15,7 +15,7 @@
// 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.
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "pch.h"
src/WebServer.hpp
+1 -1
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@@ -18,7 +18,7 @@
// forward declaration.
// forward declaration.
class websocket_session;