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Make mixers channel-count agnostic

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As a result, this combines/removes a bunch of mixers
This commit is contained in:
Chris Robinson 2011-05-17 13:25:15 -07:00
parent 9f91ff4734
commit 06f5f0b7c8
3 changed files with 55 additions and 221 deletions
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272
Alc/mixer.c
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@ -69,13 +69,13 @@ static __inline ALdouble cubic8(const ALbyte *vals, ALint step, ALint frac)
#define UNLIKELY(x) (x)
#endif
#define DECL_TEMPLATE(T, chnct, sampler) \
static void Mix_Hrtf_##T##_##chnct##_##sampler( \
ALsource *Source, ALCdevice *Device, \
#define DECL_TEMPLATE(T, sampler) \
static void Mix_Hrtf_##T##_##sampler(ALsource *Source, ALCdevice *Device, \
const ALvoid *srcdata, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
const ALfloat scaler = 1.0f/chnct; \
const ALuint NumChannels = Source->NumChannels; \
const ALfloat scaler = 1.0f/NumChannels; \
const T *RESTRICT data = srcdata; \
ALfloat (*RESTRICT DryBuffer)[MAXCHANNELS]; \
ALfloat *RESTRICT ClickRemoval, *RESTRICT PendingClicks; \
@ -100,14 +100,17 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
HrtfHistory = Source->HrtfHistory; \
HrtfOffset = Source->HrtfOffset + OutPos; \
\
for(i = 0;i < chnct;i++) \
pos = 0; \
frac = *DataPosFrac; \
\
for(i = 0;i < NumChannels;i++) \
{ \
pos = 0; \
frac = *DataPosFrac; \
\
if(LIKELY(OutPos == 0)) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
value = lpFilter2PC(DryFilter, i*2, value); \
\
HrtfHistory[i][HrtfOffset&HRTF_LENGTH_MASK] = value; \
@ -123,7 +126,7 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
value = lpFilter2P(DryFilter, i*2, value); \
\
HrtfHistory[i][HrtfOffset&HRTF_LENGTH_MASK] = value; \
@ -145,7 +148,7 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
} \
if(LIKELY(OutPos == SamplesToDo)) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
value = lpFilter2PC(DryFilter, i*2, value); \
\
HrtfHistory[i][HrtfOffset&HRTF_LENGTH_MASK] = value; \
@ -180,21 +183,21 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
WetFilter = &Source->Params.Send[out].iirFilter; \
WetSend = Source->Params.Send[out].WetGain; \
\
for(i = 0;i < chnct;i++) \
for(i = 0;i < NumChannels;i++) \
{ \
pos = 0; \
frac = *DataPosFrac; \
\
if(LIKELY(OutPos == 0)) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
value = lpFilter1PC(WetFilter, i, value); \
\
WetClickRemoval[0] -= value*WetSend * scaler; \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
value = lpFilter1P(WetFilter, i, value); \
\
WetBuffer[OutPos] += value*WetSend * scaler; \
@ -206,7 +209,7 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
} \
if(LIKELY(OutPos == SamplesToDo)) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
value = lpFilter1PC(WetFilter, i, value); \
\
WetPendingClicks[0] += value*WetSend * scaler; \
@ -218,97 +221,33 @@ static void Mix_Hrtf_##T##_##chnct##_##sampler( \
*DataPosFrac = frac; \
}
DECL_TEMPLATE(ALfloat, 1, point32)
DECL_TEMPLATE(ALfloat, 1, lerp32)
DECL_TEMPLATE(ALfloat, 1, cubic32)
DECL_TEMPLATE(ALfloat, point32)
DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALfloat, cubic32)
DECL_TEMPLATE(ALshort, 1, point16)
DECL_TEMPLATE(ALshort, 1, lerp16)
DECL_TEMPLATE(ALshort, 1, cubic16)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
DECL_TEMPLATE(ALshort, cubic16)
DECL_TEMPLATE(ALbyte, 1, point8)
DECL_TEMPLATE(ALbyte, 1, lerp8)
DECL_TEMPLATE(ALbyte, 1, cubic8)
DECL_TEMPLATE(ALfloat, 2, point32)
DECL_TEMPLATE(ALfloat, 2, lerp32)
DECL_TEMPLATE(ALfloat, 2, cubic32)
DECL_TEMPLATE(ALshort, 2, point16)
DECL_TEMPLATE(ALshort, 2, lerp16)
DECL_TEMPLATE(ALshort, 2, cubic16)
DECL_TEMPLATE(ALbyte, 2, point8)
DECL_TEMPLATE(ALbyte, 2, lerp8)
DECL_TEMPLATE(ALbyte, 2, cubic8)
DECL_TEMPLATE(ALfloat, 4, point32)
DECL_TEMPLATE(ALfloat, 4, lerp32)
DECL_TEMPLATE(ALfloat, 4, cubic32)
DECL_TEMPLATE(ALshort, 4, point16)
DECL_TEMPLATE(ALshort, 4, lerp16)
DECL_TEMPLATE(ALshort, 4, cubic16)
DECL_TEMPLATE(ALbyte, 4, point8)
DECL_TEMPLATE(ALbyte, 4, lerp8)
DECL_TEMPLATE(ALbyte, 4, cubic8)
DECL_TEMPLATE(ALfloat, 6, point32)
DECL_TEMPLATE(ALfloat, 6, lerp32)
DECL_TEMPLATE(ALfloat, 6, cubic32)
DECL_TEMPLATE(ALshort, 6, point16)
DECL_TEMPLATE(ALshort, 6, lerp16)
DECL_TEMPLATE(ALshort, 6, cubic16)
DECL_TEMPLATE(ALbyte, 6, point8)
DECL_TEMPLATE(ALbyte, 6, lerp8)
DECL_TEMPLATE(ALbyte, 6, cubic8)
DECL_TEMPLATE(ALfloat, 7, point32)
DECL_TEMPLATE(ALfloat, 7, lerp32)
DECL_TEMPLATE(ALfloat, 7, cubic32)
DECL_TEMPLATE(ALshort, 7, point16)
DECL_TEMPLATE(ALshort, 7, lerp16)
DECL_TEMPLATE(ALshort, 7, cubic16)
DECL_TEMPLATE(ALbyte, 7, point8)
DECL_TEMPLATE(ALbyte, 7, lerp8)
DECL_TEMPLATE(ALbyte, 7, cubic8)
DECL_TEMPLATE(ALfloat, 8, point32)
DECL_TEMPLATE(ALfloat, 8, lerp32)
DECL_TEMPLATE(ALfloat, 8, cubic32)
DECL_TEMPLATE(ALshort, 8, point16)
DECL_TEMPLATE(ALshort, 8, lerp16)
DECL_TEMPLATE(ALshort, 8, cubic16)
DECL_TEMPLATE(ALbyte, 8, point8)
DECL_TEMPLATE(ALbyte, 8, lerp8)
DECL_TEMPLATE(ALbyte, 8, cubic8)
DECL_TEMPLATE(ALbyte, point8)
DECL_TEMPLATE(ALbyte, lerp8)
DECL_TEMPLATE(ALbyte, cubic8)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T, chnct, sampler) \
static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
#define DECL_TEMPLATE(T, sampler) \
static void Mix_##T##_##sampler(ALsource *Source, ALCdevice *Device, \
const ALvoid *srcdata, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
const ALfloat scaler = 1.0f/chnct; \
const ALuint NumChannels = Source->NumChannels; \
const ALfloat scaler = 1.0f/NumChannels; \
const T *RESTRICT data = srcdata; \
ALfloat (*DryBuffer)[MAXCHANNELS]; \
ALfloat *ClickRemoval, *PendingClicks; \
ALuint pos, frac; \
ALfloat DrySend[chnct][MAXCHANNELS]; \
ALfloat DrySend[MAXCHANNELS][MAXCHANNELS]; \
FILTER *DryFilter; \
ALuint BufferIdx; \
ALuint increment; \
@ -321,20 +260,23 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
ClickRemoval = Device->ClickRemoval; \
PendingClicks = Device->PendingClicks; \
DryFilter = &Source->Params.iirFilter; \
for(i = 0;i < chnct;i++) \
for(i = 0;i < NumChannels;i++) \
{ \
for(c = 0;c < MAXCHANNELS;c++) \
DrySend[i][c] = Source->Params.DryGains[i][c]; \
} \
\
for(i = 0;i < chnct;i++) \
pos = 0; \
frac = *DataPosFrac; \
\
for(i = 0;i < NumChannels;i++) \
{ \
pos = 0; \
frac = *DataPosFrac; \
\
if(OutPos == 0) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
\
value = lpFilter2PC(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
@ -342,7 +284,7 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
\
value = lpFilter2P(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
@ -355,7 +297,7 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
} \
if(OutPos == SamplesToDo) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
\
value = lpFilter2PC(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
@ -382,21 +324,21 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
WetFilter = &Source->Params.Send[out].iirFilter; \
WetSend = Source->Params.Send[out].WetGain; \
\
for(i = 0;i < chnct;i++) \
for(i = 0;i < NumChannels;i++) \
{ \
pos = 0; \
frac = *DataPosFrac; \
\
if(OutPos == 0) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
\
value = lpFilter1PC(WetFilter, i, value); \
WetClickRemoval[0] -= value*WetSend * scaler; \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
\
value = lpFilter1P(WetFilter, i, value); \
WetBuffer[OutPos] += value*WetSend * scaler; \
@ -408,7 +350,7 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
} \
if(OutPos == SamplesToDo) \
{ \
value = sampler(data + pos*chnct + i, chnct, frac); \
value = sampler(data + pos*NumChannels + i, NumChannels,frac);\
\
value = lpFilter1PC(WetFilter, i, value); \
WetPendingClicks[0] += value*WetSend * scaler; \
@ -420,120 +362,6 @@ static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
*DataPosFrac = frac; \
}
DECL_TEMPLATE(ALfloat, 1, point32)
DECL_TEMPLATE(ALfloat, 1, lerp32)
DECL_TEMPLATE(ALfloat, 1, cubic32)
DECL_TEMPLATE(ALshort, 1, point16)
DECL_TEMPLATE(ALshort, 1, lerp16)
DECL_TEMPLATE(ALshort, 1, cubic16)
DECL_TEMPLATE(ALbyte, 1, point8)
DECL_TEMPLATE(ALbyte, 1, lerp8)
DECL_TEMPLATE(ALbyte, 1, cubic8)
DECL_TEMPLATE(ALfloat, 2, point32)
DECL_TEMPLATE(ALfloat, 2, lerp32)
DECL_TEMPLATE(ALfloat, 2, cubic32)
DECL_TEMPLATE(ALshort, 2, point16)
DECL_TEMPLATE(ALshort, 2, lerp16)
DECL_TEMPLATE(ALshort, 2, cubic16)
DECL_TEMPLATE(ALbyte, 2, point8)
DECL_TEMPLATE(ALbyte, 2, lerp8)
DECL_TEMPLATE(ALbyte, 2, cubic8)
DECL_TEMPLATE(ALfloat, 4, point32)
DECL_TEMPLATE(ALfloat, 4, lerp32)
DECL_TEMPLATE(ALfloat, 4, cubic32)
DECL_TEMPLATE(ALshort, 4, point16)
DECL_TEMPLATE(ALshort, 4, lerp16)
DECL_TEMPLATE(ALshort, 4, cubic16)
DECL_TEMPLATE(ALbyte, 4, point8)
DECL_TEMPLATE(ALbyte, 4, lerp8)
DECL_TEMPLATE(ALbyte, 4, cubic8)
DECL_TEMPLATE(ALfloat, 6, point32)
DECL_TEMPLATE(ALfloat, 6, lerp32)
DECL_TEMPLATE(ALfloat, 6, cubic32)
DECL_TEMPLATE(ALshort, 6, point16)
DECL_TEMPLATE(ALshort, 6, lerp16)
DECL_TEMPLATE(ALshort, 6, cubic16)
DECL_TEMPLATE(ALbyte, 6, point8)
DECL_TEMPLATE(ALbyte, 6, lerp8)
DECL_TEMPLATE(ALbyte, 6, cubic8)
DECL_TEMPLATE(ALfloat, 7, point32)
DECL_TEMPLATE(ALfloat, 7, lerp32)
DECL_TEMPLATE(ALfloat, 7, cubic32)
DECL_TEMPLATE(ALshort, 7, point16)
DECL_TEMPLATE(ALshort, 7, lerp16)
DECL_TEMPLATE(ALshort, 7, cubic16)
DECL_TEMPLATE(ALbyte, 7, point8)
DECL_TEMPLATE(ALbyte, 7, lerp8)
DECL_TEMPLATE(ALbyte, 7, cubic8)
DECL_TEMPLATE(ALfloat, 8, point32)
DECL_TEMPLATE(ALfloat, 8, lerp32)
DECL_TEMPLATE(ALfloat, 8, cubic32)
DECL_TEMPLATE(ALshort, 8, point16)
DECL_TEMPLATE(ALshort, 8, lerp16)
DECL_TEMPLATE(ALshort, 8, cubic16)
DECL_TEMPLATE(ALbyte, 8, point8)
DECL_TEMPLATE(ALbyte, 8, lerp8)
DECL_TEMPLATE(ALbyte, 8, cubic8)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T, sampler) \
static void Select_##T##_##sampler(ALsource *Source, \
enum FmtChannels FmtChannels) \
{ \
switch(FmtChannels) \
{ \
case FmtMono: \
Source->DoMix = Mix_##T##_1_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_1_##sampler; \
break; \
case FmtStereo: \
case FmtRear: \
Source->DoMix = Mix_##T##_2_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_2_##sampler; \
break; \
case FmtQuad: \
Source->DoMix = Mix_##T##_4_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_4_##sampler; \
break; \
case FmtX51: \
Source->DoMix = Mix_##T##_6_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_6_##sampler; \
break; \
case FmtX61: \
Source->DoMix = Mix_##T##_7_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_7_##sampler; \
break; \
case FmtX71: \
Source->DoMix = Mix_##T##_8_##sampler; \
Source->DoHrtfMix = Mix_Hrtf_##T##_8_##sampler; \
break; \
} \
}
DECL_TEMPLATE(ALfloat, point32)
DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALfloat, cubic32)
@ -550,19 +378,21 @@ DECL_TEMPLATE(ALbyte, cubic8)
#define DECL_TEMPLATE(sampler) \
static void Select_##sampler(ALsource *Source, \
enum FmtChannels FmtChannels, enum FmtType FmtType) \
static void Select_##sampler(ALsource *Source, enum FmtType FmtType) \
{ \
switch(FmtType) \
{ \
case FmtByte: \
Select_ALbyte_##sampler##8(Source, FmtChannels); \
Source->DoMix = Mix_ALbyte_##sampler##8; \
Source->DoHrtfMix = Mix_Hrtf_ALbyte_##sampler##8; \
break; \
case FmtShort: \
Select_ALshort_##sampler##16(Source, FmtChannels); \
Source->DoMix = Mix_ALshort_##sampler##16; \
Source->DoHrtfMix = Mix_Hrtf_ALshort_##sampler##16; \
break; \
case FmtFloat: \
Select_ALfloat_##sampler##32(Source, FmtChannels); \
Source->DoMix = Mix_ALfloat_##sampler##32; \
Source->DoHrtfMix = Mix_Hrtf_ALfloat_##sampler##32; \
break; \
} \
}
@ -579,13 +409,13 @@ ALvoid SelectMixer(ALsource *Source, ALbuffer *Buffer)
switch(Source->Resampler)
{
case POINT_RESAMPLER:
Select_point(Source, Buffer->FmtChannels, Buffer->FmtType);
Select_point(Source, Buffer->FmtType);
break;
case LINEAR_RESAMPLER:
Select_lerp(Source, Buffer->FmtChannels, Buffer->FmtType);
Select_lerp(Source, Buffer->FmtType);
break;
case CUBIC_RESAMPLER:
Select_cubic(Source, Buffer->FmtChannels, Buffer->FmtType);
Select_cubic(Source, Buffer->FmtType);
break;
case RESAMPLER_MIN:
case RESAMPLER_MAX:

2
OpenAL32/Include/alSource.h
View File

@ -86,6 +86,8 @@ typedef struct ALsource
// Source Type (Static, Streaming, or Undetermined)
ALint lSourceType;
ALuint NumChannels;
/* HRTF info */
ALfloat HrtfHistory[MAXCHANNELS][HRTF_LENGTH];
ALuint HrtfOffset;

2
OpenAL32/alSource.c
View File

@ -566,6 +566,7 @@ AL_API ALvoid AL_APIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
Source->queue = BufferListItem;
Source->BuffersInQueue = 1;
Source->NumChannels = ChannelsFromFmt(buffer->FmtChannels);
if(buffer->FmtChannels == FmtMono)
Source->Update = CalcSourceParams;
else
@ -1611,6 +1612,7 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint source, ALsizei n, const A
{
BufferFmt = buffer;
Source->NumChannels = ChannelsFromFmt(buffer->FmtChannels);
if(buffer->FmtChannels == FmtMono)
Source->Update = CalcSourceParams;
else