FSLESSoundBuffer* FSLESSoundBuffer::Init( FSLESAudioDevice* AudioDevice ,USoundWave* InWave )
{
SCOPE_CYCLE_COUNTER( STAT_AudioResourceCreationTime );
// Can't create a buffer without any source data
if( InWave == NULL || InWave->NumChannels == 0 )
{
UE_LOG( LogAndroidAudio, Warning, TEXT("InitBuffer with Null sound data"));
return( NULL );
}
FSLESSoundBuffer* Buffer = NULL;
EDecompressionType DecompressionType = InWave->DecompressionType;
switch( DecompressionType )
{
case DTYPE_Setup:
// Has circumvented precache mechanism - precache now
AudioDevice->Precache(InWave, true, false);
// if it didn't change, we will recurse forever
check(InWave->DecompressionType != DTYPE_Setup);
// Recall this function with new decompression type
return( Init( AudioDevice, InWave ) );
break;
case DTYPE_Native:
// Upload entire wav
if( InWave->ResourceID )
{
Buffer = static_cast<FSLESSoundBuffer*>(AudioDevice->WaveBufferMap.FindRef( InWave->ResourceID ));
}
if( Buffer == NULL )
{
Buffer = CreateNativeBuffer( AudioDevice, InWave );
}
break;
case DTYPE_RealTime:
// Always create a new buffer for streaming ogg vorbis data
Buffer = CreateQueuedBuffer( AudioDevice, InWave );
break;
case DTYPE_Procedural:
// New buffer for procedural data
Buffer = CreateProceduralBuffer(AudioDevice, InWave);
break;
case DTYPE_Invalid:
case DTYPE_Preview:
default:
UE_LOG( LogAndroidAudio, Warning, TEXT("Init Buffer on unsupported sound type name = %s type = %d"), *InWave->GetName(), int32(DecompressionType));
break;
}
return Buffer;
}
/**
* Static function used to create a buffer.
*
* @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::Init( FAudioDevice* AudioDevice, USoundWave* Wave, bool bForceRealTime )
{
// Can't create a buffer without any source data
if( Wave == NULL || Wave->NumChannels == 0 )
{
return( NULL );
}
FAudioDeviceManager* AudioDeviceManager = GEngine->GetAudioDeviceManager();
FXAudio2Device* XAudio2Device = ( FXAudio2Device* )AudioDevice;
FXAudio2SoundBuffer* Buffer = NULL;
// Allow the precache to happen if necessary
EDecompressionType DecompressionType = Wave->DecompressionType;
if (bForceRealTime && DecompressionType != DTYPE_Setup && DecompressionType != DTYPE_Streaming)
{
DecompressionType = DTYPE_RealTime;
}
switch( DecompressionType )
{
case DTYPE_Setup:
// Has circumvented precache mechanism - precache now
AudioDevice->Precache(Wave, true, false);
// if it didn't change, we will recurse forever
check(Wave->DecompressionType != DTYPE_Setup);
// Recall this function with new decompression type
return( Init( AudioDevice, Wave, bForceRealTime ) );
case DTYPE_Preview:
// Find the existing buffer if any
if( Wave->ResourceID )
{
Buffer = (FXAudio2SoundBuffer*)AudioDeviceManager->GetSoundBufferForResourceID(Wave->ResourceID);
}
// Override with any new PCM data even if some already exists.
if( Wave->RawPCMData )
{
// Upload the preview PCM data to it
Buffer = CreatePreviewBuffer( XAudio2Device, Wave, Buffer );
}
break;
case DTYPE_Procedural:
// Always create a new buffer for streaming procedural data
Buffer = CreateProceduralBuffer( XAudio2Device, Wave );
break;
case DTYPE_RealTime:
// Always create a new buffer for streaming ogg vorbis data
Buffer = CreateQueuedBuffer( XAudio2Device, Wave );
break;
case DTYPE_Native:
case DTYPE_Xenon:
// Upload entire wav to XAudio2
if( Wave->ResourceID )
{
Buffer = (FXAudio2SoundBuffer*)AudioDeviceManager->GetSoundBufferForResourceID(Wave->ResourceID);
}
if( Buffer == NULL )
{
Buffer = CreateNativeBuffer( XAudio2Device, Wave );
}
break;
case DTYPE_Streaming:
// Always create a new buffer for streaming sounds
Buffer = CreateStreamingBuffer( XAudio2Device, Wave );
break;
case DTYPE_Invalid:
default:
// Invalid will be set if the wave cannot be played
break;
}
return( Buffer );
}