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Adjust audio device buffer size

pull/61/head
michal.szwaj 2018-03-31 14:22:12 +02:00
parent 75297a84d7
commit 2c8daca961
1 changed files with 6 additions and 5 deletions
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11
src/autoapp/Projection/RtAudioOutput.cpp
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@ -51,8 +51,10 @@ bool RtAudioOutput::open()
try try
{ {
uint32_t bufferFrames = 128; RtAudio::StreamOptions streamOptions;
dac_->openStream(&parameters, nullptr, RTAUDIO_SINT16, sampleRate_, &bufferFrames, &RtAudioOutput::audioBufferReadHandler, static_cast<void*>(this), nullptr); streamOptions.flags = RTAUDIO_MINIMIZE_LATENCY | RTAUDIO_SCHEDULE_REALTIME;
uint32_t bufferFrames = sampleRate_ == 16000 ? 1024 : 2048; //according to the observation of audio packets
dac_->openStream(&parameters, nullptr, RTAUDIO_SINT16, sampleRate_, &bufferFrames, &RtAudioOutput::audioBufferReadHandler, static_cast<void*>(this), &streamOptions);
return audioBuffer_.open(QIODevice::ReadWrite); return audioBuffer_.open(QIODevice::ReadWrite);
} }
catch(const RtAudioError& e) catch(const RtAudioError& e)
@ -104,8 +106,7 @@ void RtAudioOutput::stop()
void RtAudioOutput::suspend() void RtAudioOutput::suspend()
{ {
std::lock_guard<decltype(mutex_)> lock(mutex_); //not needed
this->doSuspend();
} }
uint32_t RtAudioOutput::getSampleSize() const uint32_t RtAudioOutput::getSampleSize() const
@ -125,7 +126,7 @@ uint32_t RtAudioOutput::getSampleRate() const
void RtAudioOutput::doSuspend() void RtAudioOutput::doSuspend()
{ {
if(!dac_->isStreamOpen() && !dac_->isStreamRunning()) if(dac_->isStreamOpen() && dac_->isStreamRunning())
{ {
try try
{ {