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

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