diff options
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/ALu.c | 31 |
1 files changed, 29 insertions, 2 deletions
@@ -59,11 +59,13 @@ __inline ALuint aluBytesFromFormat(ALenum format) case AL_FORMAT_MONO8: case AL_FORMAT_STEREO8: case AL_FORMAT_QUAD8: + case AL_FORMAT_51CHN8: return 1; case AL_FORMAT_MONO16: case AL_FORMAT_STEREO16: case AL_FORMAT_QUAD16: + case AL_FORMAT_51CHN16: return 2; default: @@ -87,6 +89,10 @@ __inline ALuint aluChannelsFromFormat(ALenum format) case AL_FORMAT_QUAD16: return 4; + case AL_FORMAT_51CHN8: + case AL_FORMAT_51CHN16: + return 6; + default: return 0; } @@ -340,6 +346,9 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource, break; case AL_FORMAT_QUAD8: case AL_FORMAT_QUAD16: + /* TODO: Add center/lfe channel in spatial calculations? */ + case AL_FORMAT_51CHN8: + case AL_FORMAT_51CHN16: // Apply a scalar so each individual speaker has more weight PanningLR = 0.5f + (0.5f*Position[0]*1.41421356f); PanningLR = __min(1.0f, PanningLR); @@ -367,10 +376,14 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource, drysend[1] = SourceVolume * 1.0f * ListenerGain; drysend[2] = SourceVolume * 1.0f * ListenerGain; drysend[3] = SourceVolume * 1.0f * ListenerGain; + drysend[4] = SourceVolume * 1.0f * ListenerGain; + drysend[5] = SourceVolume * 1.0f * ListenerGain; wetsend[0] = SourceVolume * 0.0f * ListenerGain; wetsend[1] = SourceVolume * 0.0f * ListenerGain; wetsend[2] = SourceVolume * 0.0f * ListenerGain; wetsend[3] = SourceVolume * 0.0f * ListenerGain; + wetsend[4] = SourceVolume * 0.0f * ListenerGain; + wetsend[5] = SourceVolume * 0.0f * ListenerGain; pitch[0] = Pitch; } @@ -380,8 +393,8 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma { static float DryBuffer[BUFFERSIZE][OUTPUTCHANNELS]; static float WetBuffer[BUFFERSIZE][OUTPUTCHANNELS]; - ALfloat DrySend[OUTPUTCHANNELS] = { 0.0f, 0.0f, 0.0f, 0.0f }; - ALfloat WetSend[OUTPUTCHANNELS] = { 0.0f, 0.0f, 0.0f, 0.0f }; + ALfloat DrySend[OUTPUTCHANNELS] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f }; + ALfloat WetSend[OUTPUTCHANNELS] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f }; ALuint BlockAlign,BufferSize; ALuint DataSize=0,DataPosInt=0,DataPosFrac=0; ALuint Channels,Bits,Frequency,ulExtraSamples; @@ -641,6 +654,13 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma buffer = ((ALubyte*)buffer) + 1; } break; + case AL_FORMAT_51CHN8: + for(i = 0;i < SamplesToDo*6;i++) + { + *((ALubyte*)buffer) = (ALubyte)((aluF2S(DryBuffer[i/6][i%6]+WetBuffer[i/6][i%6])>>8)+128); + buffer = ((ALubyte*)buffer) + 1; + } + break; case AL_FORMAT_MONO16: for(i = 0;i < SamplesToDo;i++) { @@ -663,6 +683,13 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma buffer = ((ALshort*)buffer) + 1; } break; + case AL_FORMAT_51CHN16: + for(i = 0;i < SamplesToDo*6;i++) + { + *((ALshort*)buffer) = aluF2S(DryBuffer[i/6][i%6]+WetBuffer[i/6][i%6]); + buffer = ((ALshort*)buffer) + 1; + } + break; } size -= SamplesToDo; |