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authorChris Robinson <[email protected]>2012-04-27 23:46:51 -0700
committerChris Robinson <[email protected]>2012-04-27 23:46:51 -0700
commit2450ee1723daddd8f0977f2589b45e126b1ae62a (patch)
treeebb8910200865cf92fe583d5990f776cd2311d70 /Alc/mixer.c
parent67f1cdfcbe537d8f53e90c73d8a2358fa2138791 (diff)
Use separate methods for the dry and wet mixing loops
Diffstat (limited to 'Alc/mixer.c')
-rw-r--r--Alc/mixer.c213
1 files changed, 96 insertions, 117 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c
index 7d51ee51..c169f5c8 100644
--- a/Alc/mixer.c
+++ b/Alc/mixer.c
@@ -101,7 +101,7 @@ static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
#endif
#define DECL_TEMPLATE(sampler) \
-static void Mix_Hrtf_##sampler(ALsource *Source, ALCdevice *Device, \
+static void MixDirect_Hrtf_##sampler(ALsource *Source, ALCdevice *Device, \
const ALfloat *RESTRICT data, ALuint srcfrac, ALuint OutPos, \
ALuint SamplesToDo, ALuint BufferSize) \
{ \
@@ -114,8 +114,8 @@ static void Mix_Hrtf_##sampler(ALsource *Source, ALCdevice *Device, \
FILTER *DryFilter; \
ALuint BufferIdx; \
ALuint increment; \
- ALuint i, out, c; \
ALfloat value; \
+ ALuint i, c; \
\
increment = Source->Params.Step; \
\
@@ -124,9 +124,6 @@ static void Mix_Hrtf_##sampler(ALsource *Source, ALCdevice *Device, \
PendingClicks = Device->PendingClicks; \
DryFilter = &Source->Params.Direct.iirFilter; \
\
- pos = 0; \
- frac = srcfrac; \
- \
for(i = 0;i < NumChannels;i++) \
{ \
ALfloat (*RESTRICT TargetCoeffs)[2] = Source->Params.Hrtf.Coeffs[i]; \
@@ -240,59 +237,6 @@ static void Mix_Hrtf_##sampler(ALsource *Source, ALCdevice *Device, \
} \
OutPos -= BufferSize; \
} \
- \
- for(out = 0;out < Device->NumAuxSends;out++) \
- { \
- ALeffectslot *Slot = Source->Params.Send[out].Slot; \
- ALfloat WetSend; \
- ALfloat *RESTRICT WetBuffer; \
- ALfloat *RESTRICT WetClickRemoval; \
- ALfloat *RESTRICT WetPendingClicks; \
- FILTER *WetFilter; \
- \
- if(Slot == NULL) \
- continue; \
- \
- WetBuffer = Slot->WetBuffer; \
- WetClickRemoval = Slot->ClickRemoval; \
- WetPendingClicks = Slot->PendingClicks; \
- WetFilter = &Source->Params.Send[out].iirFilter; \
- WetSend = Source->Params.Send[out].Gain; \
- \
- for(i = 0;i < NumChannels;i++) \
- { \
- pos = 0; \
- frac = srcfrac; \
- \
- if(LIKELY(OutPos == 0)) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
- value = lpFilter1PC(WetFilter, i, value); \
- \
- WetClickRemoval[0] -= value * WetSend; \
- } \
- for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
- value = lpFilter1P(WetFilter, i, value); \
- \
- WetBuffer[OutPos] += value * WetSend; \
- \
- frac += increment; \
- pos += frac>>FRACTIONBITS; \
- frac &= FRACTIONMASK; \
- OutPos++; \
- } \
- if(LIKELY(OutPos == SamplesToDo)) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
- value = lpFilter1PC(WetFilter, i, value); \
- \
- WetPendingClicks[0] += value * WetSend; \
- } \
- OutPos -= BufferSize; \
- } \
- } \
}
DECL_TEMPLATE(point32)
@@ -303,7 +247,7 @@ DECL_TEMPLATE(cubic32)
#define DECL_TEMPLATE(sampler) \
-static void Mix_##sampler(ALsource *Source, ALCdevice *Device, \
+static void MixDirect_##sampler(ALsource *Source, ALCdevice *Device, \
const ALfloat *RESTRICT data, ALuint srcfrac, ALuint OutPos, \
ALuint SamplesToDo, ALuint BufferSize) \
{ \
@@ -315,8 +259,8 @@ static void Mix_##sampler(ALsource *Source, ALCdevice *Device, \
ALuint pos, frac; \
ALuint BufferIdx; \
ALuint increment; \
- ALuint i, out, c; \
ALfloat value; \
+ ALuint i, c; \
\
increment = Source->Params.Step; \
\
@@ -325,9 +269,6 @@ static void Mix_##sampler(ALsource *Source, ALCdevice *Device, \
PendingClicks = Device->PendingClicks; \
DryFilter = &Source->Params.Direct.iirFilter; \
\
- pos = 0; \
- frac = srcfrac; \
- \
for(i = 0;i < NumChannels;i++) \
{ \
for(c = 0;c < MAXCHANNELS;c++) \
@@ -367,58 +308,73 @@ static void Mix_##sampler(ALsource *Source, ALCdevice *Device, \
} \
OutPos -= BufferSize; \
} \
+}
+
+DECL_TEMPLATE(point32)
+DECL_TEMPLATE(lerp32)
+DECL_TEMPLATE(cubic32)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(sampler) \
+static void MixSend_##sampler(ALsource *Source, ALuint sendidx, \
+ const ALfloat *RESTRICT data, ALuint srcfrac, ALuint OutPos, \
+ ALuint SamplesToDo, ALuint BufferSize) \
+{ \
+ const ALuint NumChannels = Source->NumChannels; \
+ ALeffectslot *Slot; \
+ ALfloat WetSend; \
+ ALfloat *WetBuffer; \
+ ALfloat *WetClickRemoval; \
+ ALfloat *WetPendingClicks; \
+ FILTER *WetFilter; \
+ ALuint pos, frac; \
+ ALuint BufferIdx; \
+ ALuint increment; \
+ ALfloat value; \
+ ALuint i; \
+ \
+ increment = Source->Params.Step; \
\
- for(out = 0;out < Device->NumAuxSends;out++) \
+ Slot = Source->Params.Send[sendidx].Slot; \
+ WetBuffer = Slot->WetBuffer; \
+ WetClickRemoval = Slot->ClickRemoval; \
+ WetPendingClicks = Slot->PendingClicks; \
+ WetFilter = &Source->Params.Send[sendidx].iirFilter; \
+ WetSend = Source->Params.Send[sendidx].Gain; \
+ \
+ for(i = 0;i < NumChannels;i++) \
{ \
- ALeffectslot *Slot = Source->Params.Send[out].Slot; \
- ALfloat WetSend; \
- ALfloat *WetBuffer; \
- ALfloat *WetClickRemoval; \
- ALfloat *WetPendingClicks; \
- FILTER *WetFilter; \
- \
- if(Slot == NULL) \
- continue; \
- \
- WetBuffer = Slot->WetBuffer; \
- WetClickRemoval = Slot->ClickRemoval; \
- WetPendingClicks = Slot->PendingClicks; \
- WetFilter = &Source->Params.Send[out].iirFilter; \
- WetSend = Source->Params.Send[out].Gain; \
- \
- for(i = 0;i < NumChannels;i++) \
- { \
- pos = 0; \
- frac = srcfrac; \
+ pos = 0; \
+ frac = srcfrac; \
\
- if(OutPos == 0) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
+ if(OutPos == 0) \
+ { \
+ value = sampler(data + pos*NumChannels + i, NumChannels,frac); \
\
- value = lpFilter1PC(WetFilter, i, value); \
- WetClickRemoval[0] -= value * WetSend; \
- } \
- for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
+ value = lpFilter1PC(WetFilter, i, value); \
+ WetClickRemoval[0] -= value * WetSend; \
+ } \
+ for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
+ { \
+ value = sampler(data + pos*NumChannels + i, NumChannels,frac); \
\
- value = lpFilter1P(WetFilter, i, value); \
- WetBuffer[OutPos] += value * WetSend; \
+ value = lpFilter1P(WetFilter, i, value); \
+ WetBuffer[OutPos] += value * WetSend; \
\
- frac += increment; \
- pos += frac>>FRACTIONBITS; \
- frac &= FRACTIONMASK; \
- OutPos++; \
- } \
- if(OutPos == SamplesToDo) \
- { \
- value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
+ frac += increment; \
+ pos += frac>>FRACTIONBITS; \
+ frac &= FRACTIONMASK; \
+ OutPos++; \
+ } \
+ if(OutPos == SamplesToDo) \
+ { \
+ value = sampler(data + pos*NumChannels + i, NumChannels,frac); \
\
- value = lpFilter1PC(WetFilter, i, value); \
- WetPendingClicks[0] += value * WetSend; \
- } \
- OutPos -= BufferSize; \
+ value = lpFilter1PC(WetFilter, i, value); \
+ WetPendingClicks[0] += value * WetSend; \
} \
+ OutPos -= BufferSize; \
} \
}
@@ -429,32 +385,48 @@ DECL_TEMPLATE(cubic32)
#undef DECL_TEMPLATE
-MixerFunc SelectMixer(enum Resampler Resampler)
+DryMixerFunc SelectDirectMixer(enum Resampler Resampler)
{
switch(Resampler)
{
case PointResampler:
- return Mix_point32;
+ return MixDirect_point32;
case LinearResampler:
- return Mix_lerp32;
+ return MixDirect_lerp32;
case CubicResampler:
- return Mix_cubic32;
+ return MixDirect_cubic32;
case ResamplerMax:
break;
}
return NULL;
}
-MixerFunc SelectHrtfMixer(enum Resampler Resampler)
+DryMixerFunc SelectHrtfMixer(enum Resampler Resampler)
{
switch(Resampler)
{
case PointResampler:
- return Mix_Hrtf_point32;
+ return MixDirect_Hrtf_point32;
case LinearResampler:
- return Mix_Hrtf_lerp32;
+ return MixDirect_Hrtf_lerp32;
case CubicResampler:
- return Mix_Hrtf_cubic32;
+ return MixDirect_Hrtf_cubic32;
+ case ResamplerMax:
+ break;
+ }
+ return NULL;
+}
+
+WetMixerFunc SelectSendMixer(enum Resampler Resampler)
+{
+ switch(Resampler)
+ {
+ case PointResampler:
+ return MixSend_point32;
+ case LinearResampler:
+ return MixSend_lerp32;
+ case CubicResampler:
+ return MixSend_cubic32;
case ResamplerMax:
break;
}
@@ -743,8 +715,15 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
BufferSize = minu(BufferSize, (SamplesToDo-OutPos));
SrcData += BufferPrePadding*NumChannels;
- Source->Params.DoMix(Source, Device, SrcData, DataPosFrac,
- OutPos, SamplesToDo, BufferSize);
+ Source->Params.DryMix(Source, Device, SrcData, DataPosFrac,
+ OutPos, SamplesToDo, BufferSize);
+ for(i = 0;i < Device->NumAuxSends;i++)
+ {
+ if(!Source->Params.Send[i].Slot)
+ continue;
+ Source->Params.WetMix(Source, i, SrcData, DataPosFrac,
+ OutPos, SamplesToDo, BufferSize);
+ }
for(i = 0;i < BufferSize;i++)
{
DataPosFrac += increment;
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