smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2026-01-30 08:53:08 +01:00
Code Issues Projects Releases Wiki Activity

portaudio backend: allow Pa_GetDeviceInfo to fail.

Browse source
This commit is contained in:
Robin Gareus 2015-04-15 03:04:19 +02:00
parent 15bf19961f
commit 9391da0c24
1 changed files with 22 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

40
libs/backends/portaudio/portaudio_io.cc
View file

@ -78,31 +78,35 @@ PortAudioIO::available_sample_rates(int device_id, std::vector<float>& sampleRat
sampleRates.clear();
const PaDeviceInfo* nfo = Pa_GetDeviceInfo(device_id);
PaStreamParameters inputParam;
PaStreamParameters outputParam;
if (nfo) {
PaStreamParameters inputParam;
PaStreamParameters outputParam;
inputParam.device = device_id;
inputParam.channelCount = nfo->maxInputChannels;
inputParam.sampleFormat = paFloat32;
inputParam.suggestedLatency = 0;
inputParam.hostApiSpecificStreamInfo = 0;
inputParam.device = device_id;
inputParam.channelCount = nfo->maxInputChannels;
inputParam.sampleFormat = paFloat32;
inputParam.suggestedLatency = 0;
inputParam.hostApiSpecificStreamInfo = 0;
outputParam.device = device_id;
outputParam.channelCount = nfo->maxOutputChannels;
outputParam.sampleFormat = paFloat32;
outputParam.suggestedLatency = 0;
outputParam.hostApiSpecificStreamInfo = 0;
outputParam.device = device_id;
outputParam.channelCount = nfo->maxOutputChannels;
outputParam.sampleFormat = paFloat32;
outputParam.suggestedLatency = 0;
outputParam.hostApiSpecificStreamInfo = 0;
for (uint32_t i = 0; i < sizeof(ardourRates)/sizeof(float); ++i) {
if (paFormatIsSupported == Pa_IsFormatSupported(
nfo->maxInputChannels > 0 ? &inputParam : NULL,
nfo->maxOutputChannels > 0 ? &outputParam : NULL,
ardourRates[i])) {
sampleRates.push_back (ardourRates[i]);
for (uint32_t i = 0; i < sizeof(ardourRates)/sizeof(float); ++i) {
if (paFormatIsSupported == Pa_IsFormatSupported(
nfo->maxInputChannels > 0 ? &inputParam : NULL,
nfo->maxOutputChannels > 0 ? &outputParam : NULL,
ardourRates[i])) {
sampleRates.push_back (ardourRates[i]);
}
}
}
if (sampleRates.empty()) {
// fill in something..
sampleRates.push_back (44100.0);
sampleRates.push_back (48000.0);
}