diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/mixer_inc.c | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/Alc/mixer_inc.c b/Alc/mixer_inc.c index d27cb979..c28c2e97 100644 --- a/Alc/mixer_inc.c +++ b/Alc/mixer_inc.c @@ -5,13 +5,6 @@ #include "hrtf.h" #include "mixer_defs.h" -#ifdef __GNUC__ -#define LIKELY(x) __builtin_expect(!!(x), 1) -#define UNLIKELY(x) __builtin_expect(!!(x), 0) -#else -#define LIKELY(x) (x) -#define UNLIKELY(x) (x) -#endif #define REAL_MERGE2(a,b) a##b #define MERGE2(a,b) REAL_MERGE2(a,b) @@ -31,11 +24,9 @@ static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], void MixDirect_Hrtf(DirectParams *params, const ALfloat *restrict data, ALuint srcchan, - ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) + ALuint OutPos, ALuint UNUSED(SamplesToDo), ALuint BufferSize) { ALfloat (*restrict DryBuffer)[BUFFERSIZE] = params->OutBuffer; - ALfloat *restrict ClickRemoval = params->ClickRemoval; - ALfloat *restrict PendingClicks = params->PendingClicks; const ALuint IrSize = params->Mix.Hrtf.Params.IrSize; const ALint *restrict DelayStep = params->Mix.Hrtf.Params.DelayStep; const ALfloat (*restrict CoeffStep)[2] = params->Mix.Hrtf.Params.CoeffStep; @@ -43,7 +34,7 @@ void MixDirect_Hrtf(DirectParams *params, const ALfloat *restrict data, ALuint s const ALuint *restrict TargetDelay = params->Mix.Hrtf.Params.Delay[srcchan]; ALfloat *restrict History = params->Mix.Hrtf.State.History[srcchan]; ALfloat (*restrict Values)[2] = params->Mix.Hrtf.State.Values[srcchan]; - ALint Counter = maxu(params->Counter, OutPos) - OutPos; + ALuint Counter = maxu(params->Counter, OutPos) - OutPos; ALuint Offset = params->Offset + OutPos; ALIGN(16) ALfloat Coeffs[HRIR_LENGTH][2]; ALuint Delay[2]; @@ -61,22 +52,7 @@ void MixDirect_Hrtf(DirectParams *params, const ALfloat *restrict data, ALuint s Delay[0] = TargetDelay[0] - (DelayStep[0]*Counter); Delay[1] = TargetDelay[1] - (DelayStep[1]*Counter); - if(LIKELY(OutPos == 0)) - { - History[Offset&SRC_HISTORY_MASK] = data[pos]; - left = lerp(History[(Offset-(Delay[0]>>HRTFDELAY_BITS))&SRC_HISTORY_MASK], - History[(Offset-(Delay[0]>>HRTFDELAY_BITS)-1)&SRC_HISTORY_MASK], - (Delay[0]&HRTFDELAY_MASK)*(1.0f/HRTFDELAY_FRACONE)); - right = lerp(History[(Offset-(Delay[1]>>HRTFDELAY_BITS))&SRC_HISTORY_MASK], - History[(Offset-(Delay[1]>>HRTFDELAY_BITS)-1)&SRC_HISTORY_MASK], - (Delay[1]&HRTFDELAY_MASK)*(1.0f/HRTFDELAY_FRACONE)); - - ClickRemoval[FrontLeft] -= Values[(Offset+1)&HRIR_MASK][0] + - Coeffs[0][0] * left; - ClickRemoval[FrontRight] -= Values[(Offset+1)&HRIR_MASK][1] + - Coeffs[0][1] * right; - } - for(pos = 0;pos < BufferSize && Counter > 0;pos++) + for(pos = 0;pos < BufferSize && pos < Counter;pos++) { History[Offset&SRC_HISTORY_MASK] = data[pos]; left = lerp(History[(Offset-(Delay[0]>>HRTFDELAY_BITS))&SRC_HISTORY_MASK], @@ -96,9 +72,7 @@ void MixDirect_Hrtf(DirectParams *params, const ALfloat *restrict data, ALuint s ApplyCoeffsStep(Offset, Values, IrSize, Coeffs, CoeffStep, left, right); DryBuffer[FrontLeft][OutPos] += Values[Offset&HRIR_MASK][0]; DryBuffer[FrontRight][OutPos] += Values[Offset&HRIR_MASK][1]; - OutPos++; - Counter--; } Delay[0] >>= HRTFDELAY_BITS; @@ -119,17 +93,6 @@ void MixDirect_Hrtf(DirectParams *params, const ALfloat *restrict data, ALuint s OutPos++; } - if(LIKELY(OutPos == SamplesToDo)) - { - History[Offset&SRC_HISTORY_MASK] = data[pos]; - left = History[(Offset-Delay[0])&SRC_HISTORY_MASK]; - right = History[(Offset-Delay[1])&SRC_HISTORY_MASK]; - - PendingClicks[FrontLeft] += Values[(Offset+1)&HRIR_MASK][0] + - Coeffs[0][0] * left; - PendingClicks[FrontRight] += Values[(Offset+1)&HRIR_MASK][1] + - Coeffs[0][1] * right; - } } |