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authorChris Robinson <[email protected]>2007-12-20 21:48:17 -0800
committerChris Robinson <[email protected]>2007-12-20 21:48:17 -0800
commit229bc0d7e14f2671b420ea995101fc38523285d2 (patch)
tree0217bc2b4fc04ae0fb445b6bc456b52745396737 /Alc
parent7bf9ebf5450840c20d2453fcf7fc1f1b37f979ec (diff)
parent5b0514a829afcdca201096f8f1c38ab684d45b49 (diff)
Merge branch 'master' into efx-experiment
Diffstat (limited to 'Alc')
-rw-r--r--Alc/ALc.c8
-rw-r--r--Alc/ALu.c28
2 files changed, 17 insertions, 19 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index aba408f4..8c824a2d 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -34,7 +34,7 @@
///////////////////////////////////////////////////////
// DEBUG INFORMATION
-char szDebug[256];
+char _alDebug[256];
///////////////////////////////////////////////////////
@@ -206,7 +206,7 @@ static void InitAL(void)
int i;
const char *devs;
- InitializeCriticalSection(&g_mutex);
+ InitializeCriticalSection(&_alMutex);
ALTHUNK_INIT();
ReadALConfig();
@@ -316,7 +316,7 @@ ALCvoid SetALCError(ALenum errorCode)
ALCvoid SuspendContext(ALCcontext *pContext)
{
(void)pContext;
- EnterCriticalSection(&g_mutex);
+ EnterCriticalSection(&_alMutex);
}
@@ -328,7 +328,7 @@ ALCvoid SuspendContext(ALCcontext *pContext)
ALCvoid ProcessContext(ALCcontext *pContext)
{
(void)pContext;
- LeaveCriticalSection(&g_mutex);
+ LeaveCriticalSection(&_alMutex);
}
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 30cd727f..2ae19ed3 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -378,20 +378,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
Matrix[2][0] = U[2]; Matrix[2][1] = V[2]; Matrix[2][2] = -N[2];
aluMatrixVector(Position, Matrix);
- //6. Convert normalized position into left/right front/back pannings
- if(Distance != 0.0f)
- {
- aluNormalize(Position);
- PanningLR = 0.5f + 0.5f*Position[0];
- PanningFB = 0.5f + 0.5f*Position[2];
- }
- else
- {
- PanningLR = 0.5f;
- PanningFB = 0.5f;
- }
-
- //7. Apply filter gains and filters
+ //6. Apply filter gains and filters
switch(ALSource->DirectFilter.filter)
{
case AL_FILTER_LOWPASS:
@@ -415,8 +402,11 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
*drygainhf = DryGainHF;
*wetgainhf = WetGainHF;
- //8. Convert pannings into channel volumes
+ //7. Convert pannings into channel volumes
WetMix *= ALSource->Send[0].Slot.Gain;
+
+ //8. Convert normalized position into pannings, then into channel volumes
+ aluNormalize(Position);
switch(OutputFormat)
{
case AL_FORMAT_MONO8:
@@ -428,6 +418,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
break;
case AL_FORMAT_STEREO8:
case AL_FORMAT_STEREO16:
+ PanningLR = 0.5f + 0.5f*Position[0];
drysend[0] = ConeVolume * ListenerGain * DryMix * aluSqrt(1.0f-PanningLR); //L Direct
drysend[1] = ConeVolume * ListenerGain * DryMix * aluSqrt( PanningLR); //R Direct
wetsend[0] = ListenerGain * WetMix * aluSqrt(1.0f-PanningLR); //L Room
@@ -435,6 +426,13 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
break;
case AL_FORMAT_QUAD8:
case AL_FORMAT_QUAD16:
+ // Apply a scalar so each individual speaker has more weight
+ PanningLR = 0.5f + (0.5f*Position[0]*1.41421356f);
+ PanningLR = __min(1.0f, PanningLR);
+ PanningLR = __max(0.0f, PanningLR);
+ PanningFB = 0.5f + (0.5f*Position[2]*1.41421356f);
+ PanningFB = __min(1.0f, PanningFB);
+ PanningFB = __max(0.0f, PanningFB);
drysend[0] = ConeVolume * ListenerGain * DryMix * aluSqrt((1.0f-PanningLR)*(1.0f-PanningFB)); //FL Direct
drysend[1] = ConeVolume * ListenerGain * DryMix * aluSqrt(( PanningLR)*(1.0f-PanningFB)); //FR Direct
drysend[2] = ConeVolume * ListenerGain * DryMix * aluSqrt((1.0f-PanningLR)*( PanningFB)); //BL Direct