/**
* Static function used to create an OpenAL buffer and upload decompressed ogg vorbis data to.
*
* @param InWave USoundWave to use as template and wave source
* @param AudioDevice audio device to attach created buffer to
* @return FXAudio2SoundBuffer pointer if buffer creation succeeded, NULL otherwise
*/
FXAudio2SoundBuffer* FXAudio2SoundBuffer::CreateNativeBuffer( FXAudio2Device* XAudio2Device, USoundWave* Wave )
{
// Check to see if thread has finished decompressing on the other thread
if( Wave->AudioDecompressor != NULL )
{
Wave->AudioDecompressor->EnsureCompletion();
// Remove the decompressor
delete Wave->AudioDecompressor;
Wave->AudioDecompressor = NULL;
}
// Create new buffer.
FXAudio2SoundBuffer* Buffer = new FXAudio2SoundBuffer( XAudio2Device, SoundFormat_PCM );
// Take ownership the PCM data
Buffer->PCM.PCMData = Wave->RawPCMData;
Buffer->PCM.PCMDataSize = Wave->RawPCMDataSize;
Wave->RawPCMData = NULL;
// Keep track of associated resource name.
Buffer->InitWaveFormatEx( WAVE_FORMAT_PCM, Wave, true );
FAudioDeviceManager* AudioDeviceManager = GEngine->GetAudioDeviceManager();
check(AudioDeviceManager != nullptr);
AudioDeviceManager->TrackResource(Wave, Buffer);
Wave->RemoveAudioResource();
return( Buffer );
}
FXAudio2SoundBuffer* FXAudio2SoundBuffer::CreateStreamingBuffer( FXAudio2Device* XAudio2Device, USoundWave* Wave )
{
// Always create a new buffer for streaming sounds
FXAudio2SoundBuffer* Buffer = new FXAudio2SoundBuffer(XAudio2Device, SoundFormat_Streaming);
// Prime the first two buffers and prepare the decompression
FSoundQualityInfo QualityInfo = { 0 };
Buffer->DecompressionState = XAudio2Device->CreateCompressedAudioInfo(Wave);
if (Buffer->DecompressionState->StreamCompressedInfo(Wave, &QualityInfo))
{
// Refresh the wave data
Wave->SampleRate = QualityInfo.SampleRate;
Wave->NumChannels = QualityInfo.NumChannels;
Wave->RawPCMDataSize = QualityInfo.SampleDataSize;
Wave->Duration = QualityInfo.Duration;
// Clear out any dangling pointers
Buffer->PCM.PCMData = NULL;
Buffer->PCM.PCMDataSize = 0;
Buffer->InitWaveFormatEx(WAVE_FORMAT_PCM, Wave, false);
}
else
{
Wave->DecompressionType = DTYPE_Invalid;
Wave->NumChannels = 0;
Wave->RemoveAudioResource();
}
return(Buffer);
}
/**
* Static function used to create an OpenAL buffer and dynamically upload decompressed ogg vorbis data to.
*
* @param InWave USoundWave to use as template and wave source
* @param AudioDevice audio device to attach created buffer to
* @return FXAudio2SoundBuffer pointer if buffer creation succeeded, NULL otherwise
*/
FXAudio2SoundBuffer* FXAudio2SoundBuffer::CreateQueuedBuffer( FXAudio2Device* XAudio2Device, USoundWave* Wave )
{
check(XAudio2Device);
check(Wave);
// Check to see if thread has finished decompressing on the other thread
if( Wave->AudioDecompressor != nullptr )
{
Wave->AudioDecompressor->EnsureCompletion();
// Remove the decompressor
delete Wave->AudioDecompressor;
Wave->AudioDecompressor = nullptr;
}
// Always create a new buffer for real time decompressed sounds
FXAudio2SoundBuffer* Buffer = new FXAudio2SoundBuffer( XAudio2Device, SoundFormat_PCMRT );
// If the buffer was precached as native, the resource data will have been lost and we need to re-initialize it
if (Wave->ResourceData == nullptr)
{
Wave->InitAudioResource(XAudio2Device->GetRuntimeFormat(Wave));
}
Buffer->DecompressionState = XAudio2Device->CreateCompressedAudioInfo(Wave);
if (Buffer->DecompressionState)
{
// Start the async task that parses the decompressed asset header info
// Doing this step synchronously causes huge main-thread hitches for large ogg-vorbis files
check(Buffer->RealtimeAsyncHeaderParseTask == nullptr);
Buffer->RealtimeAsyncHeaderParseTask = new FAsyncRealtimeAudioTask(Buffer, Wave);
Buffer->RealtimeAsyncHeaderParseTask->StartBackgroundTask();
// Clear out any dangling pointers
Buffer->PCM.PCMData = NULL;
Buffer->PCM.PCMDataSize = 0;
Buffer->InitWaveFormatEx( WAVE_FORMAT_PCM, Wave, false );
}
else
{
Wave->DecompressionType = DTYPE_Invalid;
Wave->NumChannels = 0;
Wave->RemoveAudioResource();
}
return Buffer;
}
/**
* Static function used to create an OpenAL buffer and dynamically upload procedural data to.
*
* @param InWave USoundWave to use as template and wave source
* @param AudioDevice audio device to attach created buffer to
* @return FXAudio2SoundBuffer pointer if buffer creation succeeded, NULL otherwise
*/
FXAudio2SoundBuffer* FXAudio2SoundBuffer::CreateProceduralBuffer( FXAudio2Device* XAudio2Device, USoundWave* Wave )
{
// Always create a new buffer for real time decompressed sounds
FXAudio2SoundBuffer* Buffer = new FXAudio2SoundBuffer( XAudio2Device, SoundFormat_PCMRT );
// Clear out any dangling pointers
Buffer->DecompressionState = NULL;
Buffer->PCM.PCMData = NULL;
Buffer->PCM.PCMDataSize = 0;
Buffer->InitWaveFormatEx( WAVE_FORMAT_PCM, Wave, false );
// No tracking of this resource as it's temporary
Buffer->ResourceID = 0;
Wave->ResourceID = 0;
return( Buffer );
}
/**
* Static function used to create an OpenAL buffer and dynamically upload decompressed ogg vorbis data to.
*
* @param InWave USoundWave to use as template and wave source
* @param AudioDevice audio device to attach created buffer to
* @return FXAudio2SoundBuffer pointer if buffer creation succeeded, NULL otherwise
*/
FXAudio2SoundBuffer* FXAudio2SoundBuffer::CreateQueuedBuffer( FXAudio2Device* XAudio2Device, USoundWave* Wave )
{
// Check to see if thread has finished decompressing on the other thread
if( Wave->AudioDecompressor != nullptr )
{
Wave->AudioDecompressor->EnsureCompletion();
// Remove the decompressor
delete Wave->AudioDecompressor;
Wave->AudioDecompressor = nullptr;
}
// Always create a new buffer for real time decompressed sounds
FXAudio2SoundBuffer* Buffer = new FXAudio2SoundBuffer( XAudio2Device, SoundFormat_PCMRT );
// Prime the first two buffers and prepare the decompression
FSoundQualityInfo QualityInfo = { 0 };
Buffer->DecompressionState = XAudio2Device->CreateCompressedAudioInfo(Wave);
if (Buffer->DecompressionState && Buffer->DecompressionState->ReadCompressedInfo(Wave->ResourceData, Wave->ResourceSize, &QualityInfo))
{
// Clear out any dangling pointers
Buffer->PCM.PCMData = NULL;
Buffer->PCM.PCMDataSize = 0;
Buffer->InitWaveFormatEx( WAVE_FORMAT_PCM, Wave, false );
}
else
{
Wave->DecompressionType = DTYPE_Invalid;
Wave->NumChannels = 0;
Wave->RemoveAudioResource();
}
return Buffer;
}
