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Removed the synchronisation between the CPU thread and the audio thread.

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Added code to detect and resume from buffer underruns.
Disabled the ability to change the DPL2 option after the game has started.
Fixed a memory leak that occurred in the DPL2 decoder.
Fixed the OSX build.
This commit is contained in:
skidau 2013-01-11 19:42:03 +11:00
parent ed5a68a504
commit 3632ce6df5
2 changed files with 20 additions and 7 deletions
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26
Source/Core/AudioCommon/Src/OpenALStream.cpp
View File

@ -79,7 +79,6 @@ void OpenALStream::Stop()
threadData = 1;
// kick the thread if it's waiting
soundSyncEvent.Set();
mainSyncEvent.Set();
soundTouch.clear();
@ -112,7 +111,6 @@ void OpenALStream::SetVolume(int volume)
void OpenALStream::Update()
{
soundSyncEvent.Set();
mainSyncEvent.Wait();
}
void OpenALStream::Clear(bool mute)
@ -149,10 +147,12 @@ void OpenALStream::SoundLoop()
memset(realtimeBuffer, 0, OAL_MAX_SAMPLES * 4);
for (int i = 0; i < OAL_NUM_BUFFERS; i++)
{
#if !defined(__APPLE__)
if (Core::g_CoreStartupParameter.bDPL2Decoder)
alBufferData(uiBuffers[i], AL_FORMAT_51CHN32, sampleBuffer, OAL_MAX_SAMPLES * SIZE_FLOAT * SURROUND_CHANNELS * OAL_NUM_BUFFERS, ulFrequency);
alBufferData(uiBuffers[i], AL_FORMAT_51CHN32, sampleBuffer, 4 * SIZE_FLOAT * SURROUND_CHANNELS, ulFrequency);
else
alBufferData(uiBuffers[i], AL_FORMAT_STEREO16, realtimeBuffer, OAL_MAX_SAMPLES * 4, ulFrequency);
#endif
alBufferData(uiBuffers[i], AL_FORMAT_STEREO16, realtimeBuffer, 4 * 2 * 2, ulFrequency);
}
alSourceQueueBuffers(uiSource, OAL_NUM_BUFFERS, uiBuffers);
alSourcePlay(uiSource);
@ -165,6 +165,7 @@ void OpenALStream::SoundLoop()
ALint iBuffersFilled = 0;
ALint iBuffersProcessed = 0;
ALint iState = 0;
ALuint uiBufferTemp[OAL_NUM_BUFFERS] = {0};
soundTouch.setChannels(2);
@ -232,7 +233,7 @@ void OpenALStream::SoundLoop()
if (surround_capable)
{
// Convert the samples from short to float for the dpl2 decoder
float dest[OAL_MAX_SAMPLES * 2 * OAL_NUM_BUFFERS];
float dest[OAL_MAX_SAMPLES * 2 * 2 * OAL_NUM_BUFFERS];
for (u32 i = 0; i < nSamples; ++i)
{
dest[i * 2 + 0] = (float)sampleBuffer[i * 2 + 0] / (1<<16);
@ -247,7 +248,7 @@ void OpenALStream::SoundLoop()
if (err == AL_INVALID_ENUM)
{
// 5.1 is not supported by the host, fallback to stereo
WARN_LOG(AUDIO, "Unable set 5.1 surround mode. Updating OpenAL Soft might fix this issue.");
WARN_LOG(AUDIO, "Unable to set 5.1 surround mode. Updating OpenAL Soft might fix this issue.");
surround_capable = false;
}
else if (err != 0)
@ -278,13 +279,24 @@ void OpenALStream::SoundLoop()
ERROR_LOG(AUDIO, "Error occurred during playback: %08x", err);
}
}
alGetSourcei(uiSource, AL_SOURCE_STATE, &iState);
if (iState != AL_PLAYING)
{
// Buffer underrun occurred, resume playback
alSourcePlay(uiSource);
ALenum err = alGetError();
if (err != 0)
{
ERROR_LOG(AUDIO, "Error occurred resuming playback: %08x", err);
}
}
}
}
else
{
soundSyncEvent.Wait();
}
mainSyncEvent.Set();
}
}

1
Source/Core/DolphinWX/Src/ConfigMain.cpp
View File

@ -638,6 +638,7 @@ void CConfigMain::CreateGUIControls()
{
FrequencySelection->Disable();
BackendSelection->Disable();
DPL2Decoder->Disable();
}
// Create sizer and add items to dialog