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Added audio device list and selection

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This commit is contained in:
BERTHAUT Florent 2020-05-22 01:40:23 +02:00
parent 2e1fe16c49
commit 30973d8640
2 changed files with 81 additions and 17 deletions
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91
src/gdpd.cpp
View file

@ -3,6 +3,11 @@
using namespace godot;
void Gdpd::_register_methods() {
register_method("get_available_input_devices",
&Gdpd::get_available_input_devices);
register_method("get_available_output_devices",
&Gdpd::get_available_output_devices);
register_method("init_devices", &Gdpd::init_devices);
register_method("init", &Gdpd::init);
register_method("openfile", &Gdpd::openfile);
register_method("closefile", &Gdpd::closefile);
@ -35,9 +40,75 @@ void Gdpd::_init() {
Gdpd::~Gdpd() {
}
int Gdpd::init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize) {
Array Gdpd::get_available_input_devices() {
Array gdlist;
for(int d=0; d<m_audio.getDeviceCount(); d++) {
if(m_audio.getDeviceInfo(d).inputChannels>0) {
gdlist.push_back(m_audio.getDeviceInfo(d).name.c_str());
}
}
return gdlist;
}
if(!m_pd.init(nbInputs, nbOutputs, sampleRate, true)) {
Array Gdpd::get_available_output_devices() {
Array gdlist;
for(int d=0; d<m_audio.getDeviceCount(); d++) {
if(m_audio.getDeviceInfo(d).outputChannels>0) {
gdlist.push_back(m_audio.getDeviceInfo(d).name.c_str());
}
}
return gdlist;
}
int Gdpd::init_devices(String inputDevice, String outputDevice) {
std::wstring inpWs = inputDevice.unicode_str();
std::string inpStr(inpWs.begin(), inpWs.end());
std::wstring outWs = outputDevice.unicode_str();
std::string outStr(outWs.begin(), outWs.end());
for(int d=0; d<m_audio.getDeviceCount(); d++) {
std::string n = m_audio.getDeviceInfo(d).name;
if(n.compare(inpStr)==0) {
m_inputDevice = d;
}
if(n.compare(outStr)==0) {
m_outputDevice = d;
}
}
RtAudio::DeviceInfo inpInfo = m_audio.getDeviceInfo(m_inputDevice);
RtAudio::DeviceInfo outInfo = m_audio.getDeviceInfo(m_outputDevice);
m_nbInputs = inpInfo.inputChannels;
m_nbOutputs = outInfo.outputChannels;
m_sampleRate = outInfo.preferredSampleRate;
m_bufferFrames = 128;
return start();
}
int Gdpd::init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize) {
m_inputDevice = m_audio.getDefaultInputDevice();
m_outputDevice = m_audio.getDefaultOutputDevice();
RtAudio::DeviceInfo inpInfo = m_audio.getDeviceInfo(m_inputDevice);
RtAudio::DeviceInfo outInfo = m_audio.getDeviceInfo(m_outputDevice);
m_nbInputs = std::min<int>(nbInputs, inpInfo.inputChannels);
m_nbOutputs = std::min<int>(nbOutputs, outInfo.outputChannels);
m_sampleRate = sampleRate;
m_bufferFrames = std::max<int>(64, bufferSize);
return start();
}
int Gdpd::start() {
RtAudio::StreamParameters outParams, inpParams;
inpParams.deviceId = m_inputDevice;
inpParams.nChannels = m_nbInputs;
outParams.deviceId = m_outputDevice;
outParams.nChannels = m_nbOutputs;
print("Output channels = "+std::to_string(outParams.nChannels));
print("Input channels = "+std::to_string(inpParams.nChannels));
if(!m_pd.init(m_nbInputs, m_nbOutputs, m_sampleRate, true)) {
Godot::print("GDPD : Error starting libpd");
return 1;
}
@ -59,20 +130,6 @@ int Gdpd::init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize) {
Godot::print("There are no available sound devices.");
}
RtAudio::StreamParameters outParams, inpParams;
inpParams.deviceId = m_audio.getDefaultInputDevice();
outParams.deviceId = m_audio.getDefaultOutputDevice();
RtAudio::DeviceInfo inpInfo = m_audio.getDeviceInfo(inpParams.deviceId);
RtAudio::DeviceInfo outInfo = m_audio.getDeviceInfo(outParams.deviceId);
unsigned int sr = outInfo.preferredSampleRate;
inpParams.nChannels = m_nbInputs
= std::min<int>(nbInputs, inpInfo.inputChannels);
outParams.nChannels = m_nbOutputs
= std::min<int>(nbOutputs, outInfo.outputChannels);
print("Output channels = "+std::to_string(outParams.nChannels));
print("Input channels = "+std::to_string(inpParams.nChannels));
m_bufferFrames = std::max<int>(64, bufferSize);
RtAudio::StreamOptions options;
@ -83,7 +140,7 @@ int Gdpd::init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize) {
}
try {
m_audio.openStream(&outParams, &inpParams, RTAUDIO_FLOAT32,
sr, &m_bufferFrames, &audioCallback,
m_sampleRate, &m_bufferFrames, &audioCallback,
this, &options);
m_audio.startStream();
}

7
src/gdpd.hpp
View file

@ -28,6 +28,9 @@ private:
float m_vol;
int m_nbInputs;
int m_nbOutputs;
int m_sampleRate;
int m_inputDevice;
int m_outputDevice;
public:
static void _register_methods();
@ -38,7 +41,11 @@ public:
void _init();
//libpd functions
Array get_available_input_devices();
Array get_available_output_devices();
int init_devices(String inputDevice, String outputDevice);
int init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize);
int start();
void openfile(String basename, String dirname);
void closefile();
bool has_message();