diff options
| -rw-r--r-- | src/audio/oal/channel.cpp | 19 | ||||
| -rw-r--r-- | src/audio/oal/channel.h | 1 |
2 files changed, 19 insertions, 1 deletions
diff --git a/src/audio/oal/channel.cpp b/src/audio/oal/channel.cpp index d1fd0aea..1bb4c4a8 100644 --- a/src/audio/oal/channel.cpp +++ b/src/audio/oal/channel.cpp @@ -17,6 +17,8 @@ bool bChannelsCreated = false; int32 CChannel::channelsThatNeedService = 0; +uint8 tempStereoBuffer[PED_BLOCKSIZE * 2]; + void CChannel::InitChannels() { @@ -50,6 +52,7 @@ CChannel::CChannel() { Data = nil; DataSize = 0; + bIs2D = false; SetDefault(); } @@ -90,6 +93,7 @@ void CChannel::Init(uint32 _id, bool Is2D) if ( Is2D ) { + bIs2D = true; alSource3f(alSources[id], AL_POSITION, 0.0f, 0.0f, 0.0f); alSourcef(alSources[id], AL_GAIN, 1.0f); } @@ -113,7 +117,20 @@ void CChannel::Start() if ( !HasSource() ) return; if ( !Data ) return; - alBufferData(alBuffers[id], AL_FORMAT_MONO16, Data, DataSize, Frequency); + if ( bIs2D ) + { + // convert mono data to stereo + int16 *monoData = (int16*)Data; + int16 *stereoData = (int16*)tempStereoBuffer; + for (size_t i = 0; i < DataSize / 2; i++) + { + *(stereoData++) = *monoData; + *(stereoData++) = *(monoData++); + } + alBufferData(alBuffers[id], AL_FORMAT_STEREO16, tempStereoBuffer, DataSize * 2, Frequency); + } + else + alBufferData(alBuffers[id], AL_FORMAT_MONO16, Data, DataSize, Frequency); if ( LoopPoints[0] != 0 && LoopPoints[0] != -1 ) alBufferiv(alBuffers[id], AL_LOOP_POINTS_SOFT, LoopPoints); alSourcei(alSources[id], AL_BUFFER, alBuffers[id]); diff --git a/src/audio/oal/channel.h b/src/audio/oal/channel.h index b081be25..872646c8 100644 --- a/src/audio/oal/channel.h +++ b/src/audio/oal/channel.h @@ -20,6 +20,7 @@ class CChannel int32 LoopCount; ALint LoopPoints[2]; ALint LastProcessedOffset; + bool bIs2D; public: static int32 channelsThatNeedService; |