diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/panning.c | 72 |
1 files changed, 1 insertions, 71 deletions
diff --git a/Alc/panning.c b/Alc/panning.c index a2cb11f0..b5352e2b 100644 --- a/Alc/panning.c +++ b/Alc/panning.c @@ -166,34 +166,19 @@ ALint aluCart2LUTpos(ALfloat re, ALfloat im) ALvoid aluInitPanning(ALCdevice *Device) { ALfloat SpeakerAngle[MAXCHANNELS]; - ALfloat (*Matrix)[MAXCHANNELS]; Channel *Speaker2Chan; ALfloat Alpha, Theta; ALfloat *PanningLUT; ALint pos, offset; - ALuint s, s2; - - for(s = 0;s < MAXCHANNELS;s++) - { - for(s2 = 0;s2 < MAXCHANNELS;s2++) - Device->ChannelMatrix[s][s2] = 0.0f; - } + ALuint s; Speaker2Chan = Device->Speaker2Chan; - Matrix = Device->ChannelMatrix; 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); - Matrix[FRONT_CENTER][SIDE_RIGHT] = aluSqrt(0.5); - Matrix[FRONT_CENTER][BACK_LEFT] = aluSqrt(0.5); - Matrix[FRONT_CENTER][BACK_RIGHT] = aluSqrt(0.5); - Matrix[FRONT_CENTER][BACK_CENTER] = 1.0f; break; case DevFmtStereo: @@ -203,14 +188,6 @@ ALvoid aluInitPanning(ALCdevice *Device) 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; - Matrix[FRONT_LEFT][BACK_CENTER] = aluSqrt(0.5); - Matrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5); - Matrix[FRONT_RIGHT][SIDE_RIGHT] = 1.0f; - Matrix[FRONT_RIGHT][BACK_RIGHT] = 1.0f; - Matrix[FRONT_RIGHT][BACK_CENTER] = aluSqrt(0.5); break; case DevFmtQuad: @@ -224,14 +201,6 @@ 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: @@ -247,13 +216,6 @@ 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[LFE][LFE] = 1.0f; - 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: @@ -271,11 +233,6 @@ 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[LFE][LFE] = 1.0f; - 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: @@ -295,35 +252,8 @@ 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[LFE][LFE] = 1.0f; - 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)) - { - ALfloat maxout = 1.0f; - for(s = 0;s < MAXCHANNELS;s++) - { - ALfloat out = 0.0f; - for(s2 = 0;s2 < MAXCHANNELS;s2++) - out += Device->ChannelMatrix[s][s2]; - maxout = __max(maxout, out); - } - - maxout = 1.0f/maxout; - for(s = 0;s < MAXCHANNELS;s++) - { - for(s2 = 0;s2 < MAXCHANNELS;s2++) - Device->ChannelMatrix[s][s2] *= maxout; - } - } PanningLUT = Device->PanningLUT; for(pos = 0; pos < LUT_NUM; pos++) |