diff options
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/ALc.c | 101 | ||||
-rw-r--r-- | Alc/ALu.c | 123 | ||||
-rw-r--r-- | Alc/alcReverb.c | 2 |
3 files changed, 111 insertions, 115 deletions
@@ -507,103 +507,6 @@ void EnableRTPrio(ALint level) AL_PRINT("Failed to set priority level for thread\n"); } -static void SetupChannelMatrix(ALCdevice *Device) -{ - ALfloat maxout; - ALuint s, s2; - - for(s = 0;s < OUTPUTCHANNELS;s++) - { - for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) - Device->ChannelMatrix[s][s2] = ((s==s2) ? 1.0f : 0.0f); - } - - switch(Device->Format) - { - case AL_FORMAT_MONO8: - case AL_FORMAT_MONO16: - case AL_FORMAT_MONO_FLOAT32: - Device->ChannelMatrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_LEFT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_RIGHT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_LEFT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_RIGHT][FRONT_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][FRONT_CENTER] = 1.0f; - break; - - case AL_FORMAT_STEREO8: - case AL_FORMAT_STEREO16: - case AL_FORMAT_STEREO_FLOAT32: - Device->ChannelMatrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = 1.0f; - Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = 1.0f; - Device->ChannelMatrix[BACK_LEFT][FRONT_LEFT] = 1.0f; - Device->ChannelMatrix[BACK_RIGHT][FRONT_RIGHT] = 1.0f; - Device->ChannelMatrix[BACK_CENTER][FRONT_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][FRONT_RIGHT] = aluSqrt(0.5); - break; - - case AL_FORMAT_QUAD8: - case AL_FORMAT_QUAD16: - case AL_FORMAT_QUAD32: - Device->ChannelMatrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); - break; - - case AL_FORMAT_51CHN8: - case AL_FORMAT_51CHN16: - case AL_FORMAT_51CHN32: - Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); - break; - - case AL_FORMAT_61CHN8: - case AL_FORMAT_61CHN16: - case AL_FORMAT_61CHN32: - Device->ChannelMatrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); - break; - - case AL_FORMAT_71CHN8: - case AL_FORMAT_71CHN16: - case AL_FORMAT_71CHN32: - Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); - Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); - break; - - default: - assert(0); - } - - for(s = 0;s < OUTPUTCHANNELS;s++) - { - ALfloat out = 0.0f; - for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) - out += Device->ChannelMatrix[s2][s]; - maxout = __max(maxout, out); - } - - maxout = 1.0f/maxout; - for(s = 0;s < OUTPUTCHANNELS;s++) - { - for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) - Device->ChannelMatrix[s2][s] *= maxout; - } -} /* IsDevice @@ -1380,7 +1283,7 @@ ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCin ProcessContext(NULL); return NULL; } - SetupChannelMatrix(device); + aluInitPanning(device); for(i = 0;i < device->NumContexts;i++) { @@ -1420,7 +1323,6 @@ ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCin } source->NeedsUpdate = AL_TRUE; } - aluInitPanning(context); ProcessContext(context); } @@ -1461,7 +1363,6 @@ ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCin ALContext->Device = device; InitContext(ALContext); - aluInitPanning(ALContext); ALContext->next = g_pContextList; g_pContextList = ALContext; @@ -226,14 +226,109 @@ static __inline ALfloat aluLUTpos2Angle(ALint pos) return aluAtan((ALfloat)(pos - 3 * QUADRANT_NUM) / (ALfloat)(4 * QUADRANT_NUM - pos)) - M_PI_2; } -ALvoid aluInitPanning(ALCcontext *Context) +ALvoid aluInitPanning(ALCdevice *Device) { - ALint pos, offset, s; - ALfloat Alpha, Theta; ALfloat SpeakerAngle[OUTPUTCHANNELS]; ALint Speaker2Chan[OUTPUTCHANNELS]; + ALfloat Alpha, Theta; + ALint pos, offset; + ALfloat maxout; + ALuint s, s2; + + for(s = 0;s < OUTPUTCHANNELS;s++) + { + for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) + Device->ChannelMatrix[s][s2] = ((s==s2) ? 1.0f : 0.0f); + } + + switch(Device->Format) + { + case AL_FORMAT_MONO8: + case AL_FORMAT_MONO16: + case AL_FORMAT_MONO_FLOAT32: + Device->ChannelMatrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_LEFT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_RIGHT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_LEFT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_RIGHT][FRONT_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][FRONT_CENTER] = 1.0f; + break; + + case AL_FORMAT_STEREO8: + case AL_FORMAT_STEREO16: + case AL_FORMAT_STEREO_FLOAT32: + Device->ChannelMatrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = 1.0f; + Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = 1.0f; + Device->ChannelMatrix[BACK_LEFT][FRONT_LEFT] = 1.0f; + Device->ChannelMatrix[BACK_RIGHT][FRONT_RIGHT] = 1.0f; + Device->ChannelMatrix[BACK_CENTER][FRONT_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][FRONT_RIGHT] = aluSqrt(0.5); + break; + + case AL_FORMAT_QUAD8: + case AL_FORMAT_QUAD16: + case AL_FORMAT_QUAD32: + Device->ChannelMatrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); + break; + + case AL_FORMAT_51CHN8: + case AL_FORMAT_51CHN16: + case AL_FORMAT_51CHN32: + Device->ChannelMatrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); + break; + + case AL_FORMAT_61CHN8: + case AL_FORMAT_61CHN16: + case AL_FORMAT_61CHN32: + Device->ChannelMatrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5); + break; + + case AL_FORMAT_71CHN8: + case AL_FORMAT_71CHN16: + case AL_FORMAT_71CHN32: + Device->ChannelMatrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5); + Device->ChannelMatrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5); + break; + + default: + assert(0); + } + + maxout = 1.0f; + for(s = 0;s < OUTPUTCHANNELS;s++) + { + ALfloat out = 0.0f; + for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) + out += Device->ChannelMatrix[s2][s]; + maxout = __max(maxout, out); + } + + maxout = 1.0f/maxout; + for(s = 0;s < OUTPUTCHANNELS;s++) + { + for(s2 = 0;s2 < OUTPUTCHANNELS;s2++) + Device->ChannelMatrix[s2][s] *= maxout; + } - Context->NumChan = 8; + Device->NumChan = 8; Speaker2Chan[0] = BACK_LEFT; Speaker2Chan[1] = SIDE_LEFT; Speaker2Chan[2] = FRONT_LEFT; @@ -250,40 +345,40 @@ ALvoid aluInitPanning(ALCcontext *Context) SpeakerAngle[5] = 90.0f * M_PI/180.0f; SpeakerAngle[6] = 150.0f * M_PI/180.0f; SpeakerAngle[7] = 180.0f * M_PI/180.0f; - SetSpeakerArrangement("layout", SpeakerAngle, Speaker2Chan, Context->NumChan); + SetSpeakerArrangement("layout", SpeakerAngle, Speaker2Chan, Device->NumChan); for(pos = 0; pos < LUT_NUM; pos++) { /* clear all values */ offset = OUTPUTCHANNELS * pos; for(s = 0; s < OUTPUTCHANNELS; s++) - Context->PanningLUT[offset+s] = 0.0f; + Device->PanningLUT[offset+s] = 0.0f; /* source angle */ Theta = aluLUTpos2Angle(pos); /* set panning values */ - for(s = 0; s < Context->NumChan - 1; s++) + for(s = 0; s < Device->NumChan - 1; s++) { if(Theta >= SpeakerAngle[s] && Theta < SpeakerAngle[s+1]) { /* source between speaker s and speaker s+1 */ Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) / (SpeakerAngle[s+1]-SpeakerAngle[s]); - Context->PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); - Context->PanningLUT[offset + Speaker2Chan[s+1]] = sin(Alpha); + Device->PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); + Device->PanningLUT[offset + Speaker2Chan[s+1]] = sin(Alpha); break; } } - if(s == Context->NumChan - 1) + if(s == Device->NumChan - 1) { /* source between last and first speaker */ if(Theta < SpeakerAngle[0]) Theta += 2.0f * M_PI; Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) / (2.0f * M_PI + SpeakerAngle[0]-SpeakerAngle[s]); - Context->PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); - Context->PanningLUT[offset + Speaker2Chan[0]] = sin(Alpha); + Device->PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); + Device->PanningLUT[offset + Speaker2Chan[0]] = sin(Alpha); } } } @@ -720,12 +815,12 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext, ALsource *ALSource) } pos = aluCart2LUTpos(-Position[2], Position[0]); - SpeakerGain = &ALContext->PanningLUT[OUTPUTCHANNELS * pos]; + SpeakerGain = &ALContext->Device->PanningLUT[OUTPUTCHANNELS * pos]; DirGain = aluSqrt(Position[0]*Position[0] + Position[2]*Position[2]); // elevation adjustment for directional gain. this sucks, but // has low complexity - AmbientGain = 1.0/aluSqrt(ALContext->NumChan) * (1.0-DirGain); + AmbientGain = 1.0/aluSqrt(ALContext->Device->NumChan) * (1.0-DirGain); for(s = 0; s < OUTPUTCHANNELS; s++) { ALfloat gain = SpeakerGain[s]*DirGain + AmbientGain; diff --git a/Alc/alcReverb.c b/Alc/alcReverb.c index 86eeb71d..3529c08d 100644 --- a/Alc/alcReverb.c +++ b/Alc/alcReverb.c @@ -1131,7 +1131,7 @@ static ALvoid EAXVerbUpdate(ALeffectState *effect, ALCcontext *Context, const AL // Update early and late 3D panning. Update3DPanning(Effect->Reverb.ReflectionsPan, Effect->Reverb.LateReverbPan, - Context->PanningLUT, State); + Context->Device->PanningLUT, State); } // This processes the reverb state, given the input samples and an output |