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Implement pulseaudio output. It is rather crude but seems to work.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5626 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Glenn Rice
2010-06-06 04:02:16 +00:00
parent 5341bbad3a
commit 9c3c7c5443
3 changed files with 31 additions and 6 deletions
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28
Source/Core/AudioCommon/Src/PulseAudioStream.cpp
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@ -61,11 +61,19 @@ void PulseAudio::Update()
// Called on audio thread.
void PulseAudio::SoundLoop()
{
PulseInit();
if (!PulseInit()) {
thread_data = 2;
return;
}
while (!thread_data)
{
int err;
int frames_to_deliver = 512;
m_mixer->Mix(reinterpret_cast<short *>(mix_buffer), frames_to_deliver);
if (pa_simple_write(handle, mix_buffer, frames_to_deliver * 2 * 2, &err) < 0)
{
ERROR_LOG(AUDIO, "pa_simple_write fail: %s", pa_strerror(err));
}
}
PulseShutdown();
thread_data = 2;
@ -73,6 +81,22 @@ void PulseAudio::SoundLoop()
bool PulseAudio::PulseInit()
{
// The Sample format to use
static const pa_sample_spec ss = {
PA_SAMPLE_S16LE,
m_mixer->GetSampleRate(),
2
};
int err;
if (!(handle = pa_simple_new(NULL, "dolphin-emu", PA_STREAM_PLAYBACK, NULL,
"emulator", &ss, NULL, NULL, &err)))
{
ERROR_LOG(AUDIO, "PulseAudio open error: %s\n", pa_strerror(err));
return false;
}
NOTICE_LOG(AUDIO, "Pulse successfully initialized.\n");
return true;
}
@ -81,7 +105,7 @@ void PulseAudio::PulseShutdown()
{
if (handle != NULL)
{
pa_simple_free(handle);
handle = NULL;
}
}