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-rw-r--r--Alc/ALc.c101
-rw-r--r--Alc/ALu.c123
-rw-r--r--Alc/alcReverb.c2
3 files changed, 111 insertions, 115 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index ebe7d199..2763d7a3 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -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;
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 57c99093..ba73eda8 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -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