diff options
Diffstat (limited to 'Alc/panning.c')
| -rw-r--r-- | Alc/panning.c | 65 |
1 files changed, 35 insertions, 30 deletions
diff --git a/Alc/panning.c b/Alc/panning.c index 034158a3..33d3a5b0 100644 --- a/Alc/panning.c +++ b/Alc/panning.c @@ -176,7 +176,7 @@ ALvoid aluInitPanning(ALCdevice *Device) for(s = 0;s < MAXCHANNELS;s++) { for(s2 = 0;s2 < MAXCHANNELS;s2++) - Device->ChannelMatrix[s][s2] = ((s==s2) ? 1.0f : 0.0f); + Device->ChannelMatrix[s][s2] = 0.0f; } Speaker2Chan = Device->Speaker2Chan; @@ -184,6 +184,9 @@ ALvoid aluInitPanning(ALCdevice *Device) switch(Device->FmtChans) { case DevFmtMono: + Device->NumChan = 1; + Speaker2Chan[0] = FRONT_CENTER; + SpeakerAngle[0] = 0.0f * M_PI/180.0f; Matrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5); Matrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5); Matrix[FRONT_CENTER][SIDE_LEFT] = aluSqrt(0.5); @@ -191,12 +194,15 @@ ALvoid aluInitPanning(ALCdevice *Device) Matrix[FRONT_CENTER][BACK_LEFT] = aluSqrt(0.5); Matrix[FRONT_CENTER][BACK_RIGHT] = aluSqrt(0.5); Matrix[FRONT_CENTER][BACK_CENTER] = 1.0f; - Device->NumChan = 1; - Speaker2Chan[0] = FRONT_CENTER; - SpeakerAngle[0] = 0.0f * M_PI/180.0f; break; case DevFmtStereo: + Device->NumChan = 2; + Speaker2Chan[0] = FRONT_LEFT; + Speaker2Chan[1] = FRONT_RIGHT; + SpeakerAngle[0] = -90.0f * M_PI/180.0f; + SpeakerAngle[1] = 90.0f * M_PI/180.0f; + SetSpeakerArrangement("layout_STEREO", SpeakerAngle, Speaker2Chan, Device->NumChan); Matrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5); Matrix[FRONT_LEFT][SIDE_LEFT] = 1.0f; Matrix[FRONT_LEFT][BACK_LEFT] = 1.0f; @@ -205,23 +211,9 @@ ALvoid aluInitPanning(ALCdevice *Device) Matrix[FRONT_RIGHT][SIDE_RIGHT] = 1.0f; Matrix[FRONT_RIGHT][BACK_RIGHT] = 1.0f; Matrix[FRONT_RIGHT][BACK_CENTER] = aluSqrt(0.5); - Device->NumChan = 2; - Speaker2Chan[0] = FRONT_LEFT; - Speaker2Chan[1] = FRONT_RIGHT; - SpeakerAngle[0] = -90.0f * M_PI/180.0f; - SpeakerAngle[1] = 90.0f * M_PI/180.0f; - SetSpeakerArrangement("layout_STEREO", SpeakerAngle, Speaker2Chan, Device->NumChan); break; case DevFmtQuad: - Matrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5); - Matrix[FRONT_LEFT][SIDE_LEFT] = aluSqrt(0.5); - Matrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5); - Matrix[FRONT_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); - Matrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); - Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); - Matrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); - Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); Device->NumChan = 4; Speaker2Chan[0] = BACK_LEFT; Speaker2Chan[1] = FRONT_LEFT; @@ -232,15 +224,17 @@ ALvoid aluInitPanning(ALCdevice *Device) SpeakerAngle[2] = 45.0f * M_PI/180.0f; SpeakerAngle[3] = 135.0f * M_PI/180.0f; SetSpeakerArrangement("layout_QUAD", SpeakerAngle, Speaker2Chan, Device->NumChan); + Matrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5); + Matrix[FRONT_LEFT][SIDE_LEFT] = aluSqrt(0.5); + Matrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5); + Matrix[FRONT_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); + Matrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); + Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); + Matrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); + Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); break; case DevFmtX51: - Matrix[FRONT_LEFT][SIDE_LEFT] = aluSqrt(0.5); - Matrix[FRONT_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); - Matrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); - Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); - Matrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); - Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); Device->NumChan = 5; Speaker2Chan[0] = BACK_LEFT; Speaker2Chan[1] = FRONT_LEFT; @@ -253,13 +247,15 @@ ALvoid aluInitPanning(ALCdevice *Device) SpeakerAngle[3] = 30.0f * M_PI/180.0f; SpeakerAngle[4] = 110.0f * M_PI/180.0f; SetSpeakerArrangement("layout_51CHN", SpeakerAngle, Speaker2Chan, Device->NumChan); + Matrix[FRONT_LEFT][SIDE_LEFT] = aluSqrt(0.5); + Matrix[FRONT_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); + Matrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); + Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); + Matrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); + Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); break; case DevFmtX61: - Matrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); - Matrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); - Matrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); - Matrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); Device->NumChan = 6; Speaker2Chan[0] = SIDE_LEFT; Speaker2Chan[1] = FRONT_LEFT; @@ -274,11 +270,13 @@ ALvoid aluInitPanning(ALCdevice *Device) SpeakerAngle[4] = 90.0f * M_PI/180.0f; SpeakerAngle[5] = 180.0f * M_PI/180.0f; SetSpeakerArrangement("layout_61CHN", SpeakerAngle, Speaker2Chan, Device->NumChan); + Matrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); + Matrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); + Matrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); + Matrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); break; case DevFmtX71: - Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); - Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); Device->NumChan = 7; Speaker2Chan[0] = BACK_LEFT; Speaker2Chan[1] = SIDE_LEFT; @@ -295,8 +293,15 @@ ALvoid aluInitPanning(ALCdevice *Device) SpeakerAngle[5] = 90.0f * M_PI/180.0f; SpeakerAngle[6] = 150.0f * M_PI/180.0f; SetSpeakerArrangement("layout_71CHN", SpeakerAngle, Speaker2Chan, Device->NumChan); + Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); + Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); break; } + for(s = 0;s < Device->NumChan;s++) + { + Channel c = Speaker2Chan[s]; + Matrix[c][c] = 1.0f; + } if(GetConfigValueBool(NULL, "scalemix", 0)) { |