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-rw-r--r--Alc/ALu.c215
-rw-r--r--OpenAL32/Include/alSource.h3
-rw-r--r--OpenAL32/alSource.c3
3 files changed, 131 insertions, 90 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 5f98d2f9..b3f99ef7 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -559,7 +559,7 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
ALfloat *pitch, ALfloat *drygainhf,
ALfloat *wetgainhf)
{
- ALfloat InnerAngle,OuterAngle,Angle,Distance,DryMix,WetMix=0.0f;
+ ALfloat InnerAngle,OuterAngle,Angle,Distance,DryMix;
ALfloat Direction[3],Position[3],SourceToListener[3];
ALfloat MinVolume,MaxVolume,MinDist,MaxDist,Rolloff,OuterGainHF;
ALfloat ConeVolume,SourceVolume,ListenerGain;
@@ -567,14 +567,13 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
ALfloat DopplerFactor, DopplerVelocity, flSpeedOfSound, flMaxVelocity;
ALfloat Matrix[3][3];
ALfloat flAttenuation;
- ALfloat RoomAttenuation;
+ ALfloat RoomAttenuation[MAX_SENDS];
ALfloat MetersPerUnit;
- ALfloat RoomRolloff;
+ ALfloat RoomRolloff[MAX_SENDS];
ALfloat DryGainHF = 1.0f;
- ALfloat WetGainHF = 1.0f;
ALfloat DirGain, AmbientGain;
const ALfloat *SpeakerGain;
- ALint pos, s;
+ ALint pos, s, i;
//Get context properties
DopplerFactor = ALContext->DopplerFactor * ALSource->DopplerFactor;
@@ -597,7 +596,8 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
InnerAngle = ALSource->flInnerAngle;
OuterAngle = ALSource->flOuterAngle;
OuterGainHF = ALSource->OuterGainHF;
- RoomRolloff = ALSource->RoomRolloffFactor;
+ for(i = 0;i < MAX_SENDS;i++)
+ RoomRolloff[i] = ALSource->RoomRolloffFactor;
//Only apply 3D calculations for mono buffers
if(isMono != AL_FALSE)
@@ -644,14 +644,16 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
//2. Calculate distance attenuation
Distance = aluSqrt(aluDotproduct(Position, Position));
- if(ALSource->Send[0].Slot)
+ for(i = 0;i < MAX_SENDS;i++)
{
- if(ALSource->Send[0].Slot->effect.type == AL_EFFECT_REVERB)
- RoomRolloff += ALSource->Send[0].Slot->effect.Reverb.RoomRolloffFactor;
+ if(ALSource->Send[i].Slot &&
+ ALSource->Send[i].Slot->effect.type == AL_EFFECT_REVERB)
+ RoomRolloff[i] += ALSource->Send[i].Slot->effect.Reverb.RoomRolloffFactor;
}
flAttenuation = 1.0f;
- RoomAttenuation = 1.0f;
+ for(i = 0;i < MAX_SENDS;i++)
+ RoomAttenuation[i] = 1.0f;
switch (ALSource->DistanceModel)
{
case AL_INVERSE_DISTANCE_CLAMPED:
@@ -665,8 +667,11 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
{
if ((MinDist + (Rolloff * (Distance - MinDist))) > 0.0f)
flAttenuation = MinDist / (MinDist + (Rolloff * (Distance - MinDist)));
- if ((MinDist + (RoomRolloff * (Distance - MinDist))) > 0.0f)
- RoomAttenuation = MinDist / (MinDist + (RoomRolloff * (Distance - MinDist)));
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ if ((MinDist + (RoomRolloff[i] * (Distance - MinDist))) > 0.0f)
+ RoomAttenuation[i] = MinDist / (MinDist + (RoomRolloff[i] * (Distance - MinDist)));
+ }
}
break;
@@ -681,7 +686,8 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
if (MaxDist != MinDist)
{
flAttenuation = 1.0f - (Rolloff*(Distance-MinDist)/(MaxDist - MinDist));
- RoomAttenuation = 1.0f - (RoomRolloff*(Distance-MinDist)/(MaxDist - MinDist));
+ for(i = 0;i < MAX_SENDS;i++)
+ RoomAttenuation[i] = 1.0f - (RoomRolloff[i]*(Distance-MinDist)/(MaxDist - MinDist));
}
break;
@@ -695,13 +701,12 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
if ((Distance > 0.0f) && (MinDist > 0.0f))
{
flAttenuation = (ALfloat)pow(Distance/MinDist, -Rolloff);
- RoomAttenuation = (ALfloat)pow(Distance/MinDist, -RoomRolloff);
+ for(i = 0;i < MAX_SENDS;i++)
+ RoomAttenuation[i] = (ALfloat)pow(Distance/MinDist, -RoomRolloff[i]);
}
break;
case AL_NONE:
- flAttenuation = 1.0f;
- RoomAttenuation = 1.0f;
break;
}
@@ -718,7 +723,8 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
// Convert dB to linear gain before applying
absorb = pow(10.0, absorb/20.0);
DryGainHF *= absorb;
- WetGainHF *= absorb;
+ for(i = 0;i < MAX_SENDS;i++)
+ wetgainhf[i] *= absorb;
}
// Source Gain + Attenuation and clamp to Min/Max Gain
@@ -726,9 +732,13 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
DryMix = __min(DryMix,MaxVolume);
DryMix = __max(DryMix,MinVolume);
- WetMix = SourceVolume * RoomAttenuation;
- WetMix = __min(WetMix,MaxVolume);
- WetMix = __max(WetMix,MinVolume);
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ ALfloat WetMix = SourceVolume * RoomAttenuation[i];
+ WetMix = __min(WetMix,MaxVolume);
+ wetsend[i] = __max(WetMix,MinVolume);
+ wetgainhf[i] = 1.0f;
+ }
//3. Apply directional soundcones
Angle = aluAcos(aluDotproduct(Direction,SourceToListener)) * 180.0f/M_PI;
@@ -737,23 +747,35 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle);
ConeVolume = (1.0f+(ALSource->flOuterGain-1.0f)*scale);
DryMix *= ConeVolume;
- if(ALSource->WetGainAuto)
- WetMix *= ConeVolume;
if(ALSource->DryGainHFAuto)
DryGainHF *= (1.0f+(OuterGainHF-1.0f)*scale);
+ if(ALSource->WetGainAuto)
+ {
+ for(i = 0;i < MAX_SENDS;i++)
+ wetsend[i] *= ConeVolume;
+ }
if(ALSource->WetGainHFAuto)
- WetGainHF *= (1.0f+(OuterGainHF-1.0f)*scale);
+ {
+ for(i = 0;i < MAX_SENDS;i++)
+ wetgainhf[i] *= (1.0f+(OuterGainHF-1.0f)*scale);
+ }
}
else if(Angle > OuterAngle)
{
ConeVolume = (1.0f+(ALSource->flOuterGain-1.0f));
DryMix *= ConeVolume;
- if(ALSource->WetGainAuto)
- WetMix *= ConeVolume;
if(ALSource->DryGainHFAuto)
DryGainHF *= (1.0f+(OuterGainHF-1.0f));
+ if(ALSource->WetGainAuto)
+ {
+ for(i = 0;i < MAX_SENDS;i++)
+ wetsend[i] *= ConeVolume;
+ }
if(ALSource->WetGainHFAuto)
- WetGainHF *= (1.0f+(OuterGainHF-1.0f));
+ {
+ for(i = 0;i < MAX_SENDS;i++)
+ wetgainhf[i] *= (1.0f+(OuterGainHF-1.0f));
+ }
}
//4. Calculate Velocity
@@ -784,32 +806,44 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
else
pitch[0] = ALSource->flPitch;
- if(ALSource->Send[0].Slot &&
- ALSource->Send[0].Slot->effect.type != AL_EFFECT_NULL)
+ for(i = 0;i < MAX_SENDS;i++)
{
- if(ALSource->Send[0].Slot->AuxSendAuto)
+ if(ALSource->Send[i].Slot &&
+ ALSource->Send[i].Slot->effect.type != AL_EFFECT_NULL)
{
- // Apply minimal attenuation in place of missing statistical
- // reverb model.
- WetMix *= pow(DryMix, 1.0f / 2.0f);
+ if(ALSource->Send[i].Slot->AuxSendAuto)
+ {
+ // Apply minimal attenuation in place of missing
+ // statistical reverb model.
+ wetsend[i] *= pow(DryMix, 1.0f / 2.0f);
+ }
+ else
+ {
+ // If the slot's auxilliary send auto is off, the data sent to the
+ // effect slot is the same as the dry path, sans filter effects
+ wetsend[i] = DryMix;
+ wetgainhf[i] = DryGainHF;
+ }
+
+ // Note that this is really applied by the effect slot. However,
+ // it's easier (more optimal) to handle it here.
+ if(ALSource->Send[i].Slot->effect.type == AL_EFFECT_REVERB)
+ wetgainhf[i] *= ALSource->Send[0].Slot->effect.Reverb.GainHF;
}
else
{
- // If the slot's auxilliary send auto is off, the data sent to the
- // effect slot is the same as the dry path, sans filter effects
- WetMix = DryMix;
- WetGainHF = DryGainHF;
+ wetsend[i] = 0.0f;
+ wetgainhf[i] = 1.0f;
}
- // Note that this is really applied by the effect slot. However,
- // it's easier (more optimal) to handle it here.
- if(ALSource->Send[0].Slot->effect.type == AL_EFFECT_REVERB)
- WetGainHF *= ALSource->Send[0].Slot->effect.Reverb.GainHF;
- }
- else
- {
- WetMix = 0.0f;
- WetGainHF = 1.0f;
+ switch(ALSource->Send[i].WetFilter.type)
+ {
+ case AL_FILTER_LOWPASS:
+ wetsend[i] *= ALSource->Send[i].WetFilter.Gain;
+ wetgainhf[i] *= ALSource->Send[i].WetFilter.GainHF;
+ break;
+ }
+ wetsend[i] *= ListenerGain;
}
//5. Apply filter gains and filters
@@ -820,17 +854,7 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
DryGainHF *= ALSource->DirectFilter.GainHF;
break;
}
-
- switch(ALSource->Send[0].WetFilter.type)
- {
- case AL_FILTER_LOWPASS:
- WetMix *= ALSource->Send[0].WetFilter.Gain;
- WetGainHF *= ALSource->Send[0].WetFilter.GainHF;
- break;
- }
-
DryMix *= ListenerGain;
- WetMix *= ListenerGain;
// Use energy-preserving panning algorithm for multi-speaker playback
aluNormalize(Position);
@@ -847,10 +871,7 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
ALfloat gain = SpeakerGain[s]*DirGain + AmbientGain;
drysend[s] = DryMix * gain;
}
- *wetsend = WetMix;
-
*drygainhf = DryGainHF;
- *wetgainhf = WetGainHF;
}
else
{
@@ -878,10 +899,13 @@ static ALvoid CalcSourceParams(const ALCcontext *ALContext,
drysend[FRONT_CENTER] = DryMix * ListenerGain;
drysend[BACK_CENTER] = DryMix * ListenerGain;
drysend[LFE] = DryMix * ListenerGain;
- *wetsend = 0.0f;
+ *drygainhf = DryGainHF;
- *drygainhf = DryGainHF;
- *wetgainhf = WetGainHF;
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ wetsend[i] = 0.0f;
+ wetgainhf[i] = 1.0f;
+ }
}
}
@@ -894,17 +918,17 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
{
static float DryBuffer[BUFFERSIZE][OUTPUTCHANNELS];
static float DummyBuffer[BUFFERSIZE];
- ALfloat *WetBuffer = NULL;
+ ALfloat *WetBuffer[MAX_SENDS];
ALfloat (*Matrix)[OUTPUTCHANNELS] = ALContext->ChannelMatrix;
ALfloat newDrySend[OUTPUTCHANNELS] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
- ALfloat newWetSend = 0.0f;
+ ALfloat newWetSend[MAX_SENDS];
ALfloat DryGainHF = 0.0f;
- ALfloat WetGainHF = 0.0f;
+ ALfloat WetGainHF[MAX_SENDS];
ALfloat *DrySend;
ALfloat *WetSend;
ALuint rampLength;
ALfloat dryGainStep[OUTPUTCHANNELS];
- ALfloat wetGainStep;
+ ALfloat wetGainStep[MAX_SENDS];
ALuint BlockAlign,BufferSize;
ALuint DataSize=0,DataPosInt=0,DataPosFrac=0;
ALuint Channels,Frequency,ulExtraSamples;
@@ -924,7 +948,7 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
ALbufferlistitem *BufferListItem;
ALuint loop;
ALint64 DataSize64,DataPos64;
- FILTER *DryFilter, *WetFilter;
+ FILTER *DryFilter, *WetFilter[MAX_SENDS];
int fpuState;
SuspendContext(ALContext);
@@ -995,17 +1019,20 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
//Get source info
DryFilter = &ALSource->iirFilter;
- WetFilter = &ALSource->Send[0].iirFilter;
- WetBuffer = (ALSource->Send[0].Slot ?
- ALSource->Send[0].Slot->WetBuffer :
- DummyBuffer);
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ WetFilter[i] = &ALSource->Send[i].iirFilter;
+ WetBuffer[i] = (ALSource->Send[i].Slot ?
+ ALSource->Send[i].Slot->WetBuffer :
+ DummyBuffer);
+ }
DrySend = ALSource->DryGains;
- WetSend = &ALSource->WetGain;
+ WetSend = ALSource->WetGains;
CalcSourceParams(ALContext, ALSource,
(Channels==1) ? AL_TRUE : AL_FALSE,
- newDrySend, &newWetSend, &Pitch,
- &DryGainHF, &WetGainHF);
+ newDrySend, newWetSend, &Pitch,
+ &DryGainHF, WetGainHF);
Pitch = (Pitch*Frequency) / ALContext->Frequency;
if(Channels == 1)
@@ -1025,11 +1052,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
DryFilter->coeff = a;
- g = aluSqrt(__max(WetGainHF, 0.0001f));
- a = 0.0f;
- if(g < 0.9999f) // 1-epsilon
- a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
- WetFilter->coeff = a;
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ g = aluSqrt(__max(WetGainHF[i], 0.0001f));
+ a = 0.0f;
+ if(g < 0.9999f) // 1-epsilon
+ a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
+ WetFilter[i]->coeff = a;
+ }
}
else
{
@@ -1042,7 +1072,8 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
if(g < 0.9999f) // 1-epsilon
a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
DryFilter->coeff = a;
- WetFilter->coeff = 0.0f;
+ for(i = 0;i < MAX_SENDS;i++)
+ WetFilter[i]->coeff = 0.0f;
if(DuplicateStereo && Channels == 2)
{
@@ -1068,14 +1099,18 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
DrySend[i] = newDrySend[i];
dryGainStep[i] = 0;
}
- *WetSend = newWetSend;
- wetGainStep = 0;
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ WetSend[i] = newWetSend[i];
+ wetGainStep[i] = 0;
+ }
}
else
{
for(i = 0;i < OUTPUTCHANNELS;i++)
dryGainStep[i] = (newDrySend[i]-DrySend[i]) / rampLength;
- wetGainStep = (newWetSend-(*WetSend)) / rampLength;
+ for(i = 0;i < MAX_SENDS;i++)
+ wetGainStep[i] = (newWetSend[i]-WetSend[i]) / rampLength;
}
ALSource->FirstStart = AL_FALSE;
@@ -1137,7 +1172,8 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
{
for(i = 0;i < OUTPUTCHANNELS;i++)
DrySend[i] += dryGainStep[i];
- *WetSend += wetGainStep;
+ for(i = 0;i < MAX_SENDS;i++)
+ WetSend[i] += wetGainStep[i];
//First order interpolator
value = lerp(Data[k], Data[k+1], DataPosFrac);
@@ -1154,8 +1190,11 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
DryBuffer[j][BACK_CENTER] += outsamp*DrySend[BACK_CENTER];
//Room path final mix buffer and panning
- outsamp = lpFilter(WetFilter, value);
- WetBuffer[j] += outsamp*(*WetSend);
+ for(i = 0;i < MAX_SENDS;i++)
+ {
+ outsamp = lpFilter(WetFilter[i], value);
+ WetBuffer[i][j] += outsamp*WetSend[i];
+ }
DataPosFrac += increment;
k += DataPosFrac>>FRACTIONBITS;
@@ -1170,7 +1209,8 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
};
#define DO_MIX() do { \
- *WetSend += wetGainStep*BufferSize; \
+ for(i = 0;i < MAX_SENDS;i++) \
+ WetSend[i] += wetGainStep[i]*BufferSize; \
while(BufferSize--) \
{ \
for(i = 0;i < OUTPUTCHANNELS;i++) \
@@ -1242,9 +1282,10 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
}
else /* Unknown? */
{
- *WetSend += wetGainStep*BufferSize;
for(i = 0;i < OUTPUTCHANNELS;i++)
DrySend[i] += dryGainStep[i]*BufferSize;
+ for(i = 0;i < MAX_SENDS;i++)
+ WetSend[i] += wetGainStep[i]*BufferSize;
while(BufferSize--)
{
DataPosFrac += increment;
diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index b79f43d6..d3d70b00 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -3,7 +3,6 @@
#define AL_NUM_SOURCE_PARAMS 128
-/* This cannot be changed without working on the code! */
#define MAX_SENDS 1
#include "alFilter.h"
@@ -96,7 +95,7 @@ typedef struct ALsource
// Current gains, which are ramped while mixed
ALfloat DryGains[OUTPUTCHANNELS];
- ALfloat WetGain;
+ ALfloat WetGains[MAX_SENDS];
ALboolean FirstStart;
struct ALsource *next;
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index c20f3a97..b30cf666 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -1444,7 +1444,8 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
{
for(j = 0;j < OUTPUTCHANNELS;j++)
pSource->DryGains[j] = 0.0f;
- pSource->WetGain = 0.0f;
+ for(j = 0;j < MAX_SENDS;j++)
+ pSource->WetGains[j] = 0.0f;
if (pSource->state != AL_PAUSED)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 06:38:57 +0000