diff options
Diffstat (limited to 'Alc/mixer.c')
-rw-r--r-- | Alc/mixer.c | 194 |
1 files changed, 13 insertions, 181 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c index e0696d26..8cb4eef0 100644 --- a/Alc/mixer.c +++ b/Alc/mixer.c @@ -64,7 +64,7 @@ static __inline ALdouble cubic8(const ALubyte *vals, ALint step, ALint frac) #define DECL_TEMPLATE(T, sampler) \ -static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \ +static void Mix_##T##_1_##sampler(ALsource *Source, ALCdevice *Device, \ const T *data, ALuint *DataPosInt, ALuint *DataPosFrac, \ ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \ { \ @@ -192,172 +192,9 @@ DECL_TEMPLATE(ALubyte, cubic8) #undef DECL_TEMPLATE -#define DECL_TEMPLATE(T, sampler) \ -static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \ - const T *data, ALuint *DataPosInt, ALuint *DataPosFrac, \ - ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \ -{ \ - const ALuint Channels = 2; \ - const ALfloat scaler = 1.0f/Channels; \ - ALfloat (*DryBuffer)[MAXCHANNELS]; \ - ALfloat *ClickRemoval, *PendingClicks; \ - ALuint pos, frac; \ - ALfloat DrySend[Channels][MAXCHANNELS]; \ - FILTER *DryFilter; \ - ALuint BufferIdx; \ - ALuint increment; \ - ALuint i, out, c; \ - ALfloat value; \ - \ - increment = Source->Params.Step; \ - \ - DryBuffer = Device->DryBuffer; \ - ClickRemoval = Device->ClickRemoval; \ - PendingClicks = Device->PendingClicks; \ - DryFilter = &Source->Params.iirFilter; \ - for(i = 0;i < Channels;i++) \ - { \ - for(c = 0;c < MAXCHANNELS;c++) \ - DrySend[i][c] = Source->Params.DryGains[i][c]; \ - } \ - \ - pos = 0; \ - frac = *DataPosFrac; \ - \ - if(OutPos == 0) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter2PC(DryFilter, i*2, value); \ - for(c = 0;c < MAXCHANNELS;c++) \ - ClickRemoval[c] -= value*DrySend[i][c]; \ - } \ - } \ - for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter2P(DryFilter, i*2, value); \ - for(c = 0;c < MAXCHANNELS;c++) \ - DryBuffer[OutPos][c] += value*DrySend[i][c]; \ - } \ - \ - frac += increment; \ - pos += frac>>FRACTIONBITS; \ - frac &= FRACTIONMASK; \ - OutPos++; \ - } \ - if(OutPos == SamplesToDo) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter2PC(DryFilter, i*2, value); \ - for(c = 0;c < MAXCHANNELS;c++) \ - PendingClicks[c] += value*DrySend[i][c]; \ - } \ - } \ - \ - for(out = 0;out < Device->NumAuxSends;out++) \ - { \ - ALfloat WetSend; \ - ALfloat *WetBuffer; \ - ALfloat *WetClickRemoval; \ - ALfloat *WetPendingClicks; \ - FILTER *WetFilter; \ - \ - if(!Source->Send[out].Slot || \ - Source->Send[out].Slot->effect.type == AL_EFFECT_NULL) \ - continue; \ - \ - WetBuffer = Source->Send[out].Slot->WetBuffer; \ - WetClickRemoval = Source->Send[out].Slot->ClickRemoval; \ - WetPendingClicks = Source->Send[out].Slot->PendingClicks; \ - WetFilter = &Source->Params.Send[out].iirFilter; \ - WetSend = Source->Params.Send[out].WetGain; \ - \ - pos = 0; \ - frac = *DataPosFrac; \ - OutPos -= BufferSize; \ - \ - if(OutPos == 0) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter1PC(WetFilter, i, value); \ - WetClickRemoval[0] -= value*WetSend * scaler; \ - } \ - } \ - for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter1P(WetFilter, i, value); \ - WetBuffer[OutPos] += value*WetSend * scaler; \ - } \ - \ - frac += increment; \ - pos += frac>>FRACTIONBITS; \ - frac &= FRACTIONMASK; \ - OutPos++; \ - } \ - if(OutPos == SamplesToDo) \ - { \ - for(i = 0;i < Channels;i++) \ - { \ - value = sampler(data + pos*Channels + i, Channels, frac); \ - \ - value = lpFilter1PC(WetFilter, i, value); \ - WetPendingClicks[0] += value*WetSend * scaler; \ - } \ - } \ - } \ - *DataPosInt += pos; \ - *DataPosFrac = frac; \ -} - -DECL_TEMPLATE(ALfloat, point32) -DECL_TEMPLATE(ALfloat, lerp32) -DECL_TEMPLATE(ALfloat, cubic32) - -DECL_TEMPLATE(ALshort, point16) -DECL_TEMPLATE(ALshort, lerp16) -DECL_TEMPLATE(ALshort, cubic16) - -DECL_TEMPLATE(ALubyte, point8) -DECL_TEMPLATE(ALubyte, lerp8) -DECL_TEMPLATE(ALubyte, cubic8) - -#undef DECL_TEMPLATE - -static const Channel RearChans[] = { BACK_LEFT, BACK_RIGHT }; -static const Channel QuadChans[] = { FRONT_LEFT, FRONT_RIGHT, - BACK_LEFT, BACK_RIGHT }; -static const Channel X51Chans[] = { FRONT_LEFT, FRONT_RIGHT, - FRONT_CENTER, LFE, - BACK_LEFT, BACK_RIGHT }; -static const Channel X61Chans[] = { FRONT_LEFT, FRONT_RIGHT, - FRONT_CENTER, LFE, - BACK_CENTER, - SIDE_LEFT, SIDE_RIGHT }; -static const Channel X71Chans[] = { FRONT_LEFT, FRONT_RIGHT, - FRONT_CENTER, LFE, - BACK_LEFT, BACK_RIGHT, - SIDE_LEFT, SIDE_RIGHT }; - #define DECL_TEMPLATE(T, count, sampler) \ static void Mix_##T##_##count##_##sampler(ALsource *Source, ALCdevice *Device,\ const T *data, ALuint *DataPosInt, ALuint *DataPosFrac, \ - const Channel chans[count], \ ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \ { \ const ALuint Channels = count; \ @@ -454,7 +291,7 @@ static void Mix_##T##_##count##_##sampler(ALsource *Source, ALCdevice *Device,\ { \ value = sampler(data + pos*Channels + i, Channels, frac); \ \ - value = lpFilter1PC(WetFilter, chans[i], value); \ + value = lpFilter1PC(WetFilter, i, value); \ WetClickRemoval[0] -= value*WetSend * scaler; \ } \ } \ @@ -464,7 +301,7 @@ static void Mix_##T##_##count##_##sampler(ALsource *Source, ALCdevice *Device,\ { \ value = sampler(data + pos*Channels + i, Channels, frac); \ \ - value = lpFilter1P(WetFilter, chans[i], value); \ + value = lpFilter1P(WetFilter, i, value); \ WetBuffer[OutPos] += value*WetSend * scaler; \ } \ \ @@ -479,7 +316,7 @@ static void Mix_##T##_##count##_##sampler(ALsource *Source, ALCdevice *Device,\ { \ value = sampler(data + pos*Channels + i, Channels, frac); \ \ - value = lpFilter1PC(WetFilter, chans[i], value); \ + value = lpFilter1PC(WetFilter, i, value); \ WetPendingClicks[0] += value*WetSend * scaler; \ } \ } \ @@ -564,34 +401,29 @@ static void Mix_##T##_##sampler(ALsource *Source, ALCdevice *Device, \ switch(FmtChannels) \ { \ case FmtMono: \ - Mix_##T##_Mono_##sampler(Source, Device, \ - Data, DataPosInt, DataPosFrac, \ - OutPos, SamplesToDo, BufferSize); \ + Mix_##T##_1_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ + OutPos, SamplesToDo, BufferSize); \ break; \ case FmtStereo: \ - Mix_##T##_Stereo_##sampler(Source, Device, \ - Data, DataPosInt, DataPosFrac, \ - OutPos, SamplesToDo, BufferSize); \ + case FmtRear: \ + Mix_##T##_2_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ + OutPos, SamplesToDo, BufferSize); \ break; \ case FmtQuad: \ Mix_##T##_4_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ - QuadChans, OutPos, SamplesToDo, BufferSize); \ - break; \ - case FmtRear: \ - Mix_##T##_2_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ - RearChans, OutPos, SamplesToDo, BufferSize); \ + OutPos, SamplesToDo, BufferSize); \ break; \ case FmtX51: \ Mix_##T##_6_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ - X51Chans, OutPos, SamplesToDo, BufferSize); \ + OutPos, SamplesToDo, BufferSize); \ break; \ case FmtX61: \ Mix_##T##_7_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ - X61Chans, OutPos, SamplesToDo, BufferSize); \ + OutPos, SamplesToDo, BufferSize); \ break; \ case FmtX71: \ Mix_##T##_8_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \ - X71Chans, OutPos, SamplesToDo, BufferSize); \ + OutPos, SamplesToDo, BufferSize); \ break; \ } \ } |