forked from mia/Aegisub
Re-order the functions so they're in line with every other player: Constructor,
Destructor, Open, Close, Play, Stop.. I rue the fact that I didn't do this at the start. Originally committed to SVN as r2809.
This commit is contained in:
Amar Takhar
parent
0ad0b6d5c9
commit
28470e309d
|
|
@ -85,37 +85,66 @@ PortAudioPlayer::~PortAudioPlayer() {
|
|||
if (!--pa_refcount) Pa_Terminate();
|
||||
}
|
||||
|
||||
//////////////////////
|
||||
/// PortAudio callback
|
||||
int PortAudioPlayer::paCallback(const void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData) {
|
||||
|
||||
// Get provider
|
||||
PortAudioPlayer *player = (PortAudioPlayer *) userData;
|
||||
AudioProvider *provider = player->GetProvider();
|
||||
///////////////
|
||||
// Open stream
|
||||
void PortAudioPlayer::OpenStream() {
|
||||
// Open stream
|
||||
PaStreamParameters pa_output_p;
|
||||
|
||||
#ifdef PORTAUDIO2_DEBUG
|
||||
printf("paCallBack: playPos: %lld startPos: %lld paStart: %f Pa_GetStreamTime: %f AdcTime: %f DacTime: %f framesPerBuffer: %lu CPU: %f\n",
|
||||
player->playPos, player->startPos, player->paStart, Pa_GetStreamTime(player->stream),
|
||||
timeInfo->inputBufferAdcTime, timeInfo->outputBufferDacTime, framesPerBuffer, Pa_GetStreamCpuLoad(player->stream));
|
||||
#endif
|
||||
int pa_config_default = Options.AsInt(_T("Audio PortAudio Device"));
|
||||
PaDeviceIndex pa_device;
|
||||
|
||||
// Calculate how much left
|
||||
int64_t lenAvailable = (player->endPos - player->playPos) > 0 ? framesPerBuffer : 0;
|
||||
|
||||
|
||||
// Play something
|
||||
if (lenAvailable > 0) {
|
||||
provider->GetAudioWithVolume(outputBuffer, player->playPos, lenAvailable, player->GetVolume());
|
||||
|
||||
// Set play position
|
||||
player->playPos += framesPerBuffer;
|
||||
|
||||
// Continue as normal
|
||||
return 0;
|
||||
if (pa_config_default < 0) {
|
||||
pa_device = Pa_GetDefaultOutputDevice();
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Using Default Output Device: %d"), pa_device);
|
||||
} else {
|
||||
pa_device = pa_config_default;
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Using Config Device: %d"), pa_device);
|
||||
}
|
||||
|
||||
// Abort stream and stop the callback.
|
||||
return paAbort;
|
||||
pa_output_p.device = pa_device;
|
||||
pa_output_p.channelCount = provider->GetChannels();
|
||||
pa_output_p.sampleFormat = paInt16;
|
||||
pa_output_p.suggestedLatency = Pa_GetDeviceInfo(pa_device)->defaultLowOutputLatency;
|
||||
pa_output_p.hostApiSpecificStreamInfo = NULL;
|
||||
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Output channels: %d, Latency: %f Sample Rate: %ld\n"),
|
||||
pa_output_p.channelCount, pa_output_p.suggestedLatency, pa_output_p.sampleFormat);
|
||||
|
||||
PaError err = Pa_OpenStream(&stream, NULL, &pa_output_p, provider->GetSampleRate(), 256, paPrimeOutputBuffersUsingStreamCallback, paCallback, this);
|
||||
|
||||
if (err != paNoError) {
|
||||
|
||||
const PaHostErrorInfo *pa_err = Pa_GetLastHostErrorInfo();
|
||||
if (pa_err->errorCode != 0) {
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream HostError: API: %d, %s (%ld)\n"), pa_err->hostApiType, pa_err->errorText, pa_err->errorCode);
|
||||
}
|
||||
throw wxString(_T("Failed initializing PortAudio stream with error: ") + wxString(Pa_GetErrorText(err),wxConvLocal));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
///////////////
|
||||
// Close stream
|
||||
void PortAudioPlayer::CloseStream() {
|
||||
try {
|
||||
Stop(false);
|
||||
Pa_CloseStream(stream);
|
||||
} catch (...) {}
|
||||
}
|
||||
|
||||
// Called when the callback has finished.
|
||||
void PortAudioPlayer::paStreamFinishedCallback(void *userData) {
|
||||
PortAudioPlayer *player = (PortAudioPlayer *) userData;
|
||||
|
||||
player->playing = false;
|
||||
|
||||
if (player->displayTimer) {
|
||||
player->displayTimer->Stop();
|
||||
}
|
||||
|
||||
wxLogDebug(_T("PortAudioPlayer::paStreamFinishedCallback Stopping stream."));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -172,68 +201,38 @@ void PortAudioPlayer::Stop(bool timerToo) {
|
|||
}
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////
|
||||
// Called when the callback has finished.
|
||||
|
||||
void PortAudioPlayer::paStreamFinishedCallback(void *userData) {
|
||||
PortAudioPlayer *player = (PortAudioPlayer *) userData;
|
||||
//////////////////////
|
||||
/// PortAudio callback
|
||||
int PortAudioPlayer::paCallback(const void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData) {
|
||||
|
||||
player->playing = false;
|
||||
// Get provider
|
||||
PortAudioPlayer *player = (PortAudioPlayer *) userData;
|
||||
AudioProvider *provider = player->GetProvider();
|
||||
|
||||
if (player->displayTimer) {
|
||||
player->displayTimer->Stop();
|
||||
#ifdef PORTAUDIO2_DEBUG
|
||||
printf("paCallBack: playPos: %lld startPos: %lld paStart: %f Pa_GetStreamTime: %f AdcTime: %f DacTime: %f framesPerBuffer: %lu CPU: %f\n",
|
||||
player->playPos, player->startPos, player->paStart, Pa_GetStreamTime(player->stream),
|
||||
timeInfo->inputBufferAdcTime, timeInfo->outputBufferDacTime, framesPerBuffer, Pa_GetStreamCpuLoad(player->stream));
|
||||
#endif
|
||||
|
||||
// Calculate how much left
|
||||
int64_t lenAvailable = (player->endPos - player->playPos) > 0 ? framesPerBuffer : 0;
|
||||
|
||||
|
||||
// Play something
|
||||
if (lenAvailable > 0) {
|
||||
provider->GetAudioWithVolume(outputBuffer, player->playPos, lenAvailable, player->GetVolume());
|
||||
|
||||
// Set play position
|
||||
player->playPos += framesPerBuffer;
|
||||
|
||||
// Continue as normal
|
||||
return 0;
|
||||
}
|
||||
|
||||
wxLogDebug(_T("PortAudioPlayer::paStreamFinishedCallback Stopping stream."));
|
||||
}
|
||||
|
||||
|
||||
///////////////
|
||||
// Open stream
|
||||
void PortAudioPlayer::OpenStream() {
|
||||
// Open stream
|
||||
PaStreamParameters pa_output_p;
|
||||
|
||||
int pa_config_default = Options.AsInt(_T("Audio PortAudio Device"));
|
||||
PaDeviceIndex pa_device;
|
||||
|
||||
if (pa_config_default < 0) {
|
||||
pa_device = Pa_GetDefaultOutputDevice();
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Using Default Output Device: %d"), pa_device);
|
||||
} else {
|
||||
pa_device = pa_config_default;
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Using Config Device: %d"), pa_device);
|
||||
}
|
||||
|
||||
pa_output_p.device = pa_device;
|
||||
pa_output_p.channelCount = provider->GetChannels();
|
||||
pa_output_p.sampleFormat = paInt16;
|
||||
pa_output_p.suggestedLatency = Pa_GetDeviceInfo(pa_device)->defaultLowOutputLatency;
|
||||
pa_output_p.hostApiSpecificStreamInfo = NULL;
|
||||
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream Output channels: %d, Latency: %f Sample Rate: %ld\n"),
|
||||
pa_output_p.channelCount, pa_output_p.suggestedLatency, pa_output_p.sampleFormat);
|
||||
|
||||
PaError err = Pa_OpenStream(&stream, NULL, &pa_output_p, provider->GetSampleRate(), 256, paPrimeOutputBuffersUsingStreamCallback, paCallback, this);
|
||||
|
||||
if (err != paNoError) {
|
||||
|
||||
const PaHostErrorInfo *pa_err = Pa_GetLastHostErrorInfo();
|
||||
if (pa_err->errorCode != 0) {
|
||||
wxLogDebug(_T("PortAudioPlayer::OpenStream HostError: API: %d, %s (%ld)\n"), pa_err->hostApiType, pa_err->errorText, pa_err->errorCode);
|
||||
}
|
||||
throw wxString(_T("Failed initializing PortAudio stream with error: ") + wxString(Pa_GetErrorText(err),wxConvLocal));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
///////////////
|
||||
// Close stream
|
||||
void PortAudioPlayer::CloseStream() {
|
||||
try {
|
||||
Stop(false);
|
||||
Pa_CloseStream(stream);
|
||||
} catch (...) {}
|
||||
// Abort stream and stop the callback.
|
||||
return paAbort;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -260,7 +259,6 @@ int64_t PortAudioPlayer::GetCurrentPosition()
|
|||
}
|
||||
|
||||
|
||||
|
||||
///////////////
|
||||
/// Return a list of available output devices.
|
||||
/// @param Setting from config file.
|
||||
|
|
|
|||
Loading…
Reference in a new issue