diff options
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/mixer.c | 326 |
1 files changed, 234 insertions, 92 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c index ecb60aad..9572f7c3 100644 --- a/Alc/mixer.c +++ b/Alc/mixer.c @@ -96,10 +96,12 @@ static __inline ALfloat cos_lerp16(ALfloat val1, ALfloat val2, ALint frac) #define DO_MIX_MONO(S,sampler) do { \ + ALuint BufferIdx; \ + ALuint pos = DataPosInt; \ + ALuint frac = DataPosFrac; \ if(j == 0) \ { \ - value = sampler##S(Data.p##S[DataPosInt], Data.p##S[DataPosInt+1], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos], Data.p##S[pos+1], frac); \ \ outsamp = lpFilter4PC(DryFilter, 0, value); \ ClickRemoval[FRONT_LEFT] -= outsamp*DrySend[FRONT_LEFT]; \ @@ -110,18 +112,11 @@ static __inline ALfloat cos_lerp16(ALfloat val1, ALfloat val2, ALint frac) ClickRemoval[BACK_RIGHT] -= outsamp*DrySend[BACK_RIGHT]; \ ClickRemoval[FRONT_CENTER] -= outsamp*DrySend[FRONT_CENTER]; \ ClickRemoval[BACK_CENTER] -= outsamp*DrySend[BACK_CENTER]; \ - \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter2PC(WetFilter[out], 0, value); \ - WetClickRemoval[out][0] -= outsamp*WetSend[out]; \ - } \ } \ - while(BufferSize--) \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ { \ /* First order interpolator */ \ - value = sampler##S(Data.p##S[DataPosInt], Data.p##S[DataPosInt+1], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos], Data.p##S[pos+1], frac); \ \ /* Direct path final mix buffer and panning */ \ outsamp = lpFilter4P(DryFilter, 0, value); \ @@ -134,24 +129,25 @@ static __inline ALfloat cos_lerp16(ALfloat val1, ALfloat val2, ALint frac) DryBuffer[j][FRONT_CENTER] += outsamp*DrySend[FRONT_CENTER]; \ DryBuffer[j][BACK_CENTER] += outsamp*DrySend[BACK_CENTER]; \ \ - /* Room path final mix buffer and panning */ \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter2P(WetFilter[out], 0, value); \ - WetBuffer[out][j] += outsamp*WetSend[out]; \ - } \ - \ - DataPosFrac += increment; \ - DataPosInt += DataPosFrac>>FRACTIONBITS; \ - DataPosFrac &= FRACTIONMASK; \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ j++; \ } \ if(j == SamplesToDo) \ { \ - ALuint pos = ((DataPosInt < DataSize) ? DataPosInt : (DataPosInt-1)); \ - ALuint frac = ((DataPosInt < DataSize) ? DataPosFrac : \ - ((DataPosFrac-increment)&FRACTIONMASK)); \ - value = sampler##S(Data.p##S[pos], Data.p##S[pos+1], frac); \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ + value = sampler##S(Data.p##S[p], Data.p##S[p+1], f); \ \ outsamp = lpFilter4PC(DryFilter, 0, value); \ PendingClicks[FRONT_LEFT] += outsamp*DrySend[FRONT_LEFT]; \ @@ -162,151 +158,298 @@ static __inline ALfloat cos_lerp16(ALfloat val1, ALfloat val2, ALint frac) PendingClicks[BACK_RIGHT] += outsamp*DrySend[BACK_RIGHT]; \ PendingClicks[FRONT_CENTER] += outsamp*DrySend[FRONT_CENTER]; \ PendingClicks[BACK_CENTER] += outsamp*DrySend[BACK_CENTER]; \ + } \ + for(out = 0;out < MAX_SENDS;out++) \ + { \ + if(!WetBuffer[out]) \ + continue; \ + \ + pos = DataPosInt; \ + frac = DataPosFrac; \ + j -= BufferSize; \ + \ + if(j == 0) \ + { \ + value = sampler##S(Data.p##S[pos], Data.p##S[pos+1], frac); \ + \ + outsamp = lpFilter2PC(WetFilter[out], 0, value); \ + WetClickRemoval[out][0] -= outsamp*WetSend[out]; \ + } \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ + { \ + /* First order interpolator */ \ + value = sampler##S(Data.p##S[pos], Data.p##S[pos+1], frac); \ + \ + /* Room path final mix buffer and panning */ \ + outsamp = lpFilter2P(WetFilter[out], 0, value); \ + WetBuffer[out][j] += outsamp*WetSend[out]; \ \ - for(out = 0;out < MAX_SENDS;out++) \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ + j++; \ + } \ + if(j == SamplesToDo) \ { \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ + value = sampler##S(Data.p##S[p], Data.p##S[p+1], f); \ + \ outsamp = lpFilter2PC(WetFilter[out], 0, value); \ WetPendingClicks[out][0] += outsamp*WetSend[out]; \ } \ } \ + DataPosInt = pos; \ + DataPosFrac = frac; \ } while(0) #define DO_MIX_STEREO(S,sampler) do { \ const ALfloat scaler = 1.0f/Channels; \ + ALuint BufferIdx; \ + ALuint pos = DataPosInt; \ + ALuint frac = DataPosFrac; \ if(j == 0) \ { \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[DataPosInt*Channels + i], \ - Data.p##S[(DataPosInt+1)*Channels + i], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ \ outsamp = lpFilter2PC(DryFilter, chans[i]*2, value); \ ClickRemoval[chans[i+0]] -= outsamp*DrySend[chans[i+0]]; \ ClickRemoval[chans[i+2]] -= outsamp*DrySend[chans[i+2]]; \ ClickRemoval[chans[i+4]] -= outsamp*DrySend[chans[i+4]]; \ - \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter1PC(WetFilter[out], chans[i], value); \ - WetClickRemoval[out][0] -= outsamp*WetSend[out] * scaler; \ - } \ } \ } \ - while(BufferSize--) \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ { \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[DataPosInt*Channels + i], \ - Data.p##S[(DataPosInt+1)*Channels + i], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ \ outsamp = lpFilter2P(DryFilter, chans[i]*2, value); \ DryBuffer[j][chans[i+0]] += outsamp*DrySend[chans[i+0]]; \ DryBuffer[j][chans[i+2]] += outsamp*DrySend[chans[i+2]]; \ DryBuffer[j][chans[i+4]] += outsamp*DrySend[chans[i+4]]; \ - \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter1P(WetFilter[out], chans[i], value); \ - WetBuffer[out][j] += outsamp*WetSend[out] * scaler; \ - } \ } \ \ - DataPosFrac += increment; \ - DataPosInt += DataPosFrac>>FRACTIONBITS; \ - DataPosFrac &= FRACTIONMASK; \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ j++; \ } \ if(j == SamplesToDo) \ { \ - ALuint pos = ((DataPosInt < DataSize) ? DataPosInt : (DataPosInt-1)); \ - ALuint frac = ((DataPosInt < DataSize) ? DataPosFrac : \ - ((DataPosFrac-increment)&FRACTIONMASK)); \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[pos*Channels + i], \ - Data.p##S[(pos+1)*Channels + i], \ - frac); \ + value = sampler##S(Data.p##S[p*Channels + i], \ + Data.p##S[(p+1)*Channels + i], f); \ \ outsamp = lpFilter2PC(DryFilter, chans[i]*2, value); \ PendingClicks[chans[i+0]] += outsamp*DrySend[chans[i+0]]; \ PendingClicks[chans[i+2]] += outsamp*DrySend[chans[i+2]]; \ PendingClicks[chans[i+4]] += outsamp*DrySend[chans[i+4]]; \ + } \ + } \ + for(out = 0;out < MAX_SENDS;out++) \ + { \ + if(!WetBuffer[out]) \ + continue; \ + \ + pos = DataPosInt; \ + frac = DataPosFrac; \ + j -= BufferSize; \ \ - for(out = 0;out < MAX_SENDS;out++) \ + if(j == 0) \ + { \ + for(i = 0;i < Channels;i++) \ { \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ + \ + outsamp = lpFilter1PC(WetFilter[out], chans[i], value); \ + WetClickRemoval[out][0] -= outsamp*WetSend[out] * scaler; \ + } \ + } \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ + { \ + for(i = 0;i < Channels;i++) \ + { \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ + \ + outsamp = lpFilter1P(WetFilter[out], chans[i], value); \ + WetBuffer[out][j] += outsamp*WetSend[out] * scaler; \ + } \ + \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ + j++; \ + } \ + if(j == SamplesToDo) \ + { \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ + for(i = 0;i < Channels;i++) \ + { \ + value = sampler##S(Data.p##S[p*Channels + i], \ + Data.p##S[(p+1)*Channels + i], f); \ + \ outsamp = lpFilter1PC(WetFilter[out], chans[i], value); \ WetPendingClicks[out][0] += outsamp*WetSend[out] * scaler; \ } \ } \ } \ + DataPosInt = pos; \ + DataPosFrac = frac; \ } while(0) #define DO_MIX_MC(S,sampler) do { \ const ALfloat scaler = 1.0f/Channels; \ + ALuint BufferIdx; \ + ALuint pos = DataPosInt; \ + ALuint frac = DataPosFrac; \ if(j == 0) \ { \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[DataPosInt*Channels + i], \ - Data.p##S[(DataPosInt+1)*Channels + i], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ \ outsamp = lpFilter2PC(DryFilter, chans[i]*2, value); \ ClickRemoval[chans[i]] -= outsamp*DrySend[chans[i]]; \ - \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter1PC(WetFilter[out], chans[out], value) * scaler;\ - WetClickRemoval[out][0] -= outsamp*WetSend[out]; \ - } \ } \ } \ - while(BufferSize--) \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ { \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[DataPosInt*Channels + i], \ - Data.p##S[(DataPosInt+1)*Channels + i], \ - DataPosFrac); \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ \ outsamp = lpFilter2P(DryFilter, chans[i]*2, value); \ DryBuffer[j][chans[i]] += outsamp*DrySend[chans[i]]; \ - \ - for(out = 0;out < MAX_SENDS;out++) \ - { \ - outsamp = lpFilter1P(WetFilter[out], chans[i], value); \ - WetBuffer[out][j] += outsamp*WetSend[out]*scaler; \ - } \ } \ \ - DataPosFrac += increment; \ - DataPosInt += DataPosFrac>>FRACTIONBITS; \ - DataPosFrac &= FRACTIONMASK; \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ j++; \ } \ if(j == SamplesToDo) \ { \ - ALuint pos = ((DataPosInt < DataSize) ? DataPosInt : (DataPosInt-1)); \ - ALuint frac = ((DataPosInt < DataSize) ? DataPosFrac : \ - ((DataPosFrac-increment)&FRACTIONMASK)); \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ for(i = 0;i < Channels;i++) \ { \ - value = sampler##S(Data.p##S[pos*Channels + i], \ - Data.p##S[(pos+1)*Channels + i], \ - frac); \ + value = sampler##S(Data.p##S[p*Channels + i], \ + Data.p##S[(p+1)*Channels + i], f); \ \ outsamp = lpFilter2PC(DryFilter, chans[i]*2, value); \ PendingClicks[chans[i]] += outsamp*DrySend[chans[i]]; \ + } \ + } \ + for(out = 0;out < MAX_SENDS;out++) \ + { \ + if(!WetBuffer[out]) \ + continue; \ + \ + pos = DataPosInt; \ + frac = DataPosFrac; \ + j -= BufferSize; \ + \ + if(j == 0) \ + { \ + for(i = 0;i < Channels;i++) \ + { \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ + \ + outsamp = lpFilter1PC(WetFilter[out], chans[i], value); \ + WetClickRemoval[out][0] -= outsamp*WetSend[out] * scaler; \ + } \ + } \ + for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \ + { \ + for(i = 0;i < Channels;i++) \ + { \ + value = sampler##S(Data.p##S[pos*Channels + i], \ + Data.p##S[(pos+1)*Channels + i], frac); \ \ - for(out = 0;out < MAX_SENDS;out++) \ + outsamp = lpFilter1P(WetFilter[out], chans[i], value); \ + WetBuffer[out][j] += outsamp*WetSend[out] * scaler; \ + } \ + \ + frac += increment; \ + pos += frac>>FRACTIONBITS; \ + frac &= FRACTIONMASK; \ + j++; \ + } \ + if(j == SamplesToDo) \ + { \ + ALuint p = pos; \ + ALuint f = frac; \ + if(p >= DataSize) \ + { \ + ALuint64 pos64 = pos; \ + pos64 <<= FRACTIONBITS; \ + pos64 += frac; \ + pos64 -= increment; \ + p = pos64>>FRACTIONBITS; \ + f = pos64&FRACTIONMASK; \ + } \ + for(i = 0;i < Channels;i++) \ { \ - outsamp = lpFilter1PC(WetFilter[out], chans[out], value) * scaler;\ - WetPendingClicks[out][0] += outsamp*WetSend[out]; \ + value = sampler##S(Data.p##S[p*Channels + i], \ + Data.p##S[(p+1)*Channels + i], f); \ + \ + outsamp = lpFilter1PC(WetFilter[out], chans[i], value); \ + WetPendingClicks[out][0] += outsamp*WetSend[out] * scaler; \ } \ } \ } \ + DataPosInt = pos; \ + DataPosFrac = frac; \ } while(0) @@ -393,8 +536,6 @@ static void MixSource(ALsource *Source, ALCcontext *Context, ALfloat (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo, ALfloat *ClickRemoval, ALfloat *PendingClicks) { - static ALfloat DummyBuffer[BUFFERSIZE]; - static ALfloat DummyClickRemoval[OUTPUTCHANNELS]; ALfloat *WetBuffer[MAX_SENDS]; ALfloat DrySend[OUTPUTCHANNELS]; ALfloat *WetClickRemoval[MAX_SENDS]; @@ -436,7 +577,8 @@ static void MixSource(ALsource *Source, ALCcontext *Context, for(i = 0;i < MAX_SENDS;i++) { WetFilter[i] = &Source->Params.Send[i].iirFilter; - if(Source->Send[i].Slot) + if(Source->Send[i].Slot && + Source->Send[i].Slot->effect.type != AL_EFFECT_NULL) { WetBuffer[i] = Source->Send[i].Slot->WetBuffer; WetClickRemoval[i] = Source->Send[i].Slot->ClickRemoval; @@ -444,9 +586,9 @@ static void MixSource(ALsource *Source, ALCcontext *Context, } else { - WetBuffer[i] = DummyBuffer; - WetClickRemoval[i] = DummyClickRemoval; - WetPendingClicks[i] = DummyClickRemoval; + WetBuffer[i] = NULL; + WetClickRemoval[i] = NULL; + WetPendingClicks[i] = NULL; } } |