mirror of
https://github.com/love2d/love-android.git
synced 2026-08-20 20:51:22 +02:00
Updated openal-soft to version 1.15.1
This commit is contained in:
fysx
+242
-645
@@ -37,454 +37,21 @@
|
||||
#include "bs2b.h"
|
||||
|
||||
|
||||
static __inline ALfloat point32(const ALfloat *vals, ALint step, ALint frac)
|
||||
{ return vals[0]; (void)step; (void)frac; }
|
||||
static __inline ALfloat lerp32(const ALfloat *vals, ALint step, ALint frac)
|
||||
{ return lerp(vals[0], vals[step], frac * (1.0f/FRACTIONONE)); }
|
||||
static __inline ALfloat cubic32(const ALfloat *vals, ALint step, ALint frac)
|
||||
{ return cubic(vals[-step], vals[0], vals[step], vals[step+step],
|
||||
frac * (1.0f/FRACTIONONE)); }
|
||||
|
||||
#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
|
||||
|
||||
#if defined(__ARM_NEON__) && defined(HAVE_ARM_NEON_H)
|
||||
#include <arm_neon.h>
|
||||
|
||||
static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
|
||||
ALfloat (*RESTRICT Coeffs)[2],
|
||||
ALfloat left, ALfloat right)
|
||||
{
|
||||
ALuint c;
|
||||
float32x4_t leftright4;
|
||||
{
|
||||
float32x2_t leftright2 = vdup_n_f32(0.0);
|
||||
leftright2 = vset_lane_f32(left, leftright2, 0);
|
||||
leftright2 = vset_lane_f32(right, leftright2, 1);
|
||||
leftright4 = vcombine_f32(leftright2, leftright2);
|
||||
}
|
||||
for(c = 0;c < HRIR_LENGTH;c += 2)
|
||||
{
|
||||
const ALuint o0 = (Offset+c)&HRIR_MASK;
|
||||
const ALuint o1 = (o0+1)&HRIR_MASK;
|
||||
float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[o0][0]),
|
||||
vld1_f32((float32_t*)&Values[o1][0]));
|
||||
float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]);
|
||||
|
||||
vals = vmlaq_f32(vals, coefs, leftright4);
|
||||
|
||||
vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals));
|
||||
vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals));
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
|
||||
ALfloat (*RESTRICT Coeffs)[2],
|
||||
ALfloat left, ALfloat right)
|
||||
{
|
||||
ALuint c;
|
||||
for(c = 0;c < HRIR_LENGTH;c++)
|
||||
{
|
||||
const ALuint off = (Offset+c)&HRIR_MASK;
|
||||
Values[off][0] += Coeffs[c][0] * left;
|
||||
Values[off][1] += Coeffs[c][1] * right;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#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 ALuint NumChannels = Source->NumChannels; \
|
||||
const T *RESTRICT data = srcdata; \
|
||||
const ALint *RESTRICT DelayStep = Source->Params.HrtfDelayStep; \
|
||||
ALfloat (*RESTRICT DryBuffer)[MAXCHANNELS]; \
|
||||
ALfloat *RESTRICT ClickRemoval, *RESTRICT PendingClicks; \
|
||||
ALfloat (*RESTRICT CoeffStep)[2] = Source->Params.HrtfCoeffStep; \
|
||||
ALuint pos, frac; \
|
||||
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; \
|
||||
\
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
for(i = 0;i < NumChannels;i++) \
|
||||
{ \
|
||||
ALfloat (*RESTRICT TargetCoeffs)[2] = Source->Params.HrtfCoeffs[i]; \
|
||||
ALuint *RESTRICT TargetDelay = Source->Params.HrtfDelay[i]; \
|
||||
ALfloat *RESTRICT History = Source->HrtfHistory[i]; \
|
||||
ALfloat (*RESTRICT Values)[2] = Source->HrtfValues[i]; \
|
||||
ALint Counter = maxu(Source->HrtfCounter, OutPos) - OutPos; \
|
||||
ALuint Offset = Source->HrtfOffset + OutPos; \
|
||||
ALfloat Coeffs[HRIR_LENGTH][2]; \
|
||||
ALuint Delay[2]; \
|
||||
ALfloat left, right; \
|
||||
\
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
for(c = 0;c < HRIR_LENGTH;c++) \
|
||||
{ \
|
||||
Coeffs[c][0] = TargetCoeffs[c][0] - (CoeffStep[c][0]*Counter); \
|
||||
Coeffs[c][1] = TargetCoeffs[c][1] - (CoeffStep[c][1]*Counter); \
|
||||
} \
|
||||
\
|
||||
Delay[0] = TargetDelay[0] - (DelayStep[0]*Counter) + 32768; \
|
||||
Delay[1] = TargetDelay[1] - (DelayStep[1]*Counter) + 32768; \
|
||||
\
|
||||
if(LIKELY(OutPos == 0)) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
value = lpFilter2PC(DryFilter, i, value); \
|
||||
\
|
||||
History[Offset&SRC_HISTORY_MASK] = value; \
|
||||
left = History[(Offset-(Delay[0]>>16))&SRC_HISTORY_MASK]; \
|
||||
right = History[(Offset-(Delay[1]>>16))&SRC_HISTORY_MASK]; \
|
||||
\
|
||||
ClickRemoval[FRONT_LEFT] -= Values[(Offset+1)&HRIR_MASK][0] + \
|
||||
Coeffs[0][0] * left; \
|
||||
ClickRemoval[FRONT_RIGHT] -= Values[(Offset+1)&HRIR_MASK][1] + \
|
||||
Coeffs[0][1] * right; \
|
||||
} \
|
||||
for(BufferIdx = 0;BufferIdx < BufferSize && Counter > 0;BufferIdx++) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
value = lpFilter2P(DryFilter, i, value); \
|
||||
\
|
||||
History[Offset&SRC_HISTORY_MASK] = value; \
|
||||
left = History[(Offset-(Delay[0]>>16))&SRC_HISTORY_MASK]; \
|
||||
right = History[(Offset-(Delay[1]>>16))&SRC_HISTORY_MASK]; \
|
||||
\
|
||||
Delay[0] += DelayStep[0]; \
|
||||
Delay[1] += DelayStep[1]; \
|
||||
\
|
||||
Values[Offset&HRIR_MASK][0] = 0.0f; \
|
||||
Values[Offset&HRIR_MASK][1] = 0.0f; \
|
||||
Offset++; \
|
||||
\
|
||||
for(c = 0;c < HRIR_LENGTH;c++) \
|
||||
{ \
|
||||
const ALuint off = (Offset+c)&HRIR_MASK; \
|
||||
Values[off][0] += Coeffs[c][0] * left; \
|
||||
Values[off][1] += Coeffs[c][1] * right; \
|
||||
Coeffs[c][0] += CoeffStep[c][0]; \
|
||||
Coeffs[c][1] += CoeffStep[c][1]; \
|
||||
} \
|
||||
\
|
||||
DryBuffer[OutPos][FRONT_LEFT] += Values[Offset&HRIR_MASK][0]; \
|
||||
DryBuffer[OutPos][FRONT_RIGHT] += Values[Offset&HRIR_MASK][1]; \
|
||||
\
|
||||
frac += increment; \
|
||||
pos += frac>>FRACTIONBITS; \
|
||||
frac &= FRACTIONMASK; \
|
||||
OutPos++; \
|
||||
Counter--; \
|
||||
} \
|
||||
\
|
||||
Delay[0] >>= 16; \
|
||||
Delay[1] >>= 16; \
|
||||
for(;BufferIdx < BufferSize;BufferIdx++) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
value = lpFilter2P(DryFilter, i, value); \
|
||||
\
|
||||
History[Offset&SRC_HISTORY_MASK] = value; \
|
||||
left = History[(Offset-Delay[0])&SRC_HISTORY_MASK]; \
|
||||
right = History[(Offset-Delay[1])&SRC_HISTORY_MASK]; \
|
||||
\
|
||||
Values[Offset&HRIR_MASK][0] = 0.0f; \
|
||||
Values[Offset&HRIR_MASK][1] = 0.0f; \
|
||||
Offset++; \
|
||||
\
|
||||
ApplyCoeffs(Offset, Values, Coeffs, left, right); \
|
||||
DryBuffer[OutPos][FRONT_LEFT] += Values[Offset&HRIR_MASK][0]; \
|
||||
DryBuffer[OutPos][FRONT_RIGHT] += Values[Offset&HRIR_MASK][1]; \
|
||||
\
|
||||
frac += increment; \
|
||||
pos += frac>>FRACTIONBITS; \
|
||||
frac &= FRACTIONMASK; \
|
||||
OutPos++; \
|
||||
} \
|
||||
if(LIKELY(OutPos == SamplesToDo)) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
value = lpFilter2PC(DryFilter, i, value); \
|
||||
\
|
||||
History[Offset&SRC_HISTORY_MASK] = value; \
|
||||
left = History[(Offset-Delay[0])&SRC_HISTORY_MASK]; \
|
||||
right = History[(Offset-Delay[1])&SRC_HISTORY_MASK]; \
|
||||
\
|
||||
PendingClicks[FRONT_LEFT] += Values[(Offset+1)&HRIR_MASK][0] + \
|
||||
Coeffs[0][0] * left; \
|
||||
PendingClicks[FRONT_RIGHT] += Values[(Offset+1)&HRIR_MASK][1] + \
|
||||
Coeffs[0][1] * right; \
|
||||
} \
|
||||
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 || Slot->effect.type == AL_EFFECT_NULL) \
|
||||
continue; \
|
||||
\
|
||||
WetBuffer = Slot->WetBuffer; \
|
||||
WetClickRemoval = Slot->ClickRemoval; \
|
||||
WetPendingClicks = Slot->PendingClicks; \
|
||||
WetFilter = &Source->Params.Send[out].iirFilter; \
|
||||
WetSend = Source->Params.Send[out].WetGain; \
|
||||
\
|
||||
for(i = 0;i < NumChannels;i++) \
|
||||
{ \
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
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; \
|
||||
} \
|
||||
} \
|
||||
*DataPosInt += pos; \
|
||||
*DataPosFrac = frac; \
|
||||
}
|
||||
|
||||
DECL_TEMPLATE(ALfloat, point32)
|
||||
DECL_TEMPLATE(ALfloat, lerp32)
|
||||
DECL_TEMPLATE(ALfloat, cubic32)
|
||||
|
||||
#undef DECL_TEMPLATE
|
||||
|
||||
|
||||
#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 ALuint NumChannels = Source->NumChannels; \
|
||||
const T *RESTRICT data = srcdata; \
|
||||
ALfloat (*RESTRICT DryBuffer)[MAXCHANNELS]; \
|
||||
ALfloat *RESTRICT ClickRemoval, *RESTRICT PendingClicks; \
|
||||
ALfloat DrySend[MAXCHANNELS]; \
|
||||
FILTER *DryFilter; \
|
||||
ALuint pos, frac; \
|
||||
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; \
|
||||
\
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
for(i = 0;i < NumChannels;i++) \
|
||||
{ \
|
||||
for(c = 0;c < MAXCHANNELS;c++) \
|
||||
DrySend[c] = Source->Params.DryGains[i][c]; \
|
||||
\
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
if(OutPos == 0) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
\
|
||||
value = lpFilter2PC(DryFilter, i, value); \
|
||||
for(c = 0;c < MAXCHANNELS;c++) \
|
||||
ClickRemoval[c] -= value*DrySend[c]; \
|
||||
} \
|
||||
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
\
|
||||
value = lpFilter2P(DryFilter, i, value); \
|
||||
for(c = 0;c < MAXCHANNELS;c++) \
|
||||
DryBuffer[OutPos][c] += value*DrySend[c]; \
|
||||
\
|
||||
frac += increment; \
|
||||
pos += frac>>FRACTIONBITS; \
|
||||
frac &= FRACTIONMASK; \
|
||||
OutPos++; \
|
||||
} \
|
||||
if(OutPos == SamplesToDo) \
|
||||
{ \
|
||||
value = sampler(data + pos*NumChannels + i, NumChannels, frac); \
|
||||
\
|
||||
value = lpFilter2PC(DryFilter, i, value); \
|
||||
for(c = 0;c < MAXCHANNELS;c++) \
|
||||
PendingClicks[c] += value*DrySend[c]; \
|
||||
} \
|
||||
OutPos -= BufferSize; \
|
||||
} \
|
||||
\
|
||||
for(out = 0;out < Device->NumAuxSends;out++) \
|
||||
{ \
|
||||
ALeffectslot *Slot = Source->Params.Send[out].Slot; \
|
||||
ALfloat WetSend; \
|
||||
ALfloat *WetBuffer; \
|
||||
ALfloat *WetClickRemoval; \
|
||||
ALfloat *WetPendingClicks; \
|
||||
FILTER *WetFilter; \
|
||||
\
|
||||
if(!Slot || Slot->effect.type == AL_EFFECT_NULL) \
|
||||
continue; \
|
||||
\
|
||||
WetBuffer = Slot->WetBuffer; \
|
||||
WetClickRemoval = Slot->ClickRemoval; \
|
||||
WetPendingClicks = Slot->PendingClicks; \
|
||||
WetFilter = &Source->Params.Send[out].iirFilter; \
|
||||
WetSend = Source->Params.Send[out].WetGain; \
|
||||
\
|
||||
for(i = 0;i < NumChannels;i++) \
|
||||
{ \
|
||||
pos = 0; \
|
||||
frac = *DataPosFrac; \
|
||||
\
|
||||
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 = 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);\
|
||||
\
|
||||
value = lpFilter1PC(WetFilter, i, value); \
|
||||
WetPendingClicks[0] += value * WetSend; \
|
||||
} \
|
||||
OutPos -= BufferSize; \
|
||||
} \
|
||||
} \
|
||||
*DataPosInt += pos; \
|
||||
*DataPosFrac = frac; \
|
||||
}
|
||||
|
||||
DECL_TEMPLATE(ALfloat, point32)
|
||||
DECL_TEMPLATE(ALfloat, lerp32)
|
||||
DECL_TEMPLATE(ALfloat, cubic32)
|
||||
|
||||
#undef DECL_TEMPLATE
|
||||
|
||||
|
||||
MixerFunc SelectMixer(enum Resampler Resampler)
|
||||
{
|
||||
switch(Resampler)
|
||||
{
|
||||
case POINT_RESAMPLER:
|
||||
return Mix_ALfloat_point32;
|
||||
case LINEAR_RESAMPLER:
|
||||
return Mix_ALfloat_lerp32;
|
||||
case CUBIC_RESAMPLER:
|
||||
return Mix_ALfloat_cubic32;
|
||||
case RESAMPLER_MIN:
|
||||
case RESAMPLER_MAX:
|
||||
break;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
MixerFunc SelectHrtfMixer(enum Resampler Resampler)
|
||||
{
|
||||
switch(Resampler)
|
||||
{
|
||||
case POINT_RESAMPLER:
|
||||
return Mix_Hrtf_ALfloat_point32;
|
||||
case LINEAR_RESAMPLER:
|
||||
return Mix_Hrtf_ALfloat_lerp32;
|
||||
case CUBIC_RESAMPLER:
|
||||
return Mix_Hrtf_ALfloat_cubic32;
|
||||
case RESAMPLER_MIN:
|
||||
case RESAMPLER_MAX:
|
||||
break;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
static __inline ALfloat Sample_ALbyte(ALbyte val)
|
||||
static inline ALfloat Sample_ALbyte(ALbyte val)
|
||||
{ return val * (1.0f/127.0f); }
|
||||
|
||||
static __inline ALfloat Sample_ALshort(ALshort val)
|
||||
static inline ALfloat Sample_ALshort(ALshort val)
|
||||
{ return val * (1.0f/32767.0f); }
|
||||
|
||||
static __inline ALfloat Sample_ALfloat(ALfloat val)
|
||||
static inline ALfloat Sample_ALfloat(ALfloat val)
|
||||
{ return val; }
|
||||
|
||||
#define DECL_TEMPLATE(T) \
|
||||
static void Load_##T(ALfloat *dst, const T *src, ALuint samples) \
|
||||
static void Load_##T(ALfloat *dst, const T *src, ALuint srcstep, ALuint samples)\
|
||||
{ \
|
||||
ALuint i; \
|
||||
for(i = 0;i < samples;i++) \
|
||||
dst[i] = Sample_##T(src[i]); \
|
||||
dst[i] = Sample_##T(src[i*srcstep]); \
|
||||
}
|
||||
|
||||
DECL_TEMPLATE(ALbyte)
|
||||
@@ -493,23 +60,23 @@ DECL_TEMPLATE(ALfloat)
|
||||
|
||||
#undef DECL_TEMPLATE
|
||||
|
||||
static void LoadStack(ALfloat *dst, const ALvoid *src, enum FmtType srctype, ALuint samples)
|
||||
static void LoadData(ALfloat *dst, const ALvoid *src, ALuint srcstep, enum FmtType srctype, ALuint samples)
|
||||
{
|
||||
switch(srctype)
|
||||
{
|
||||
case FmtByte:
|
||||
Load_ALbyte(dst, src, samples);
|
||||
Load_ALbyte(dst, src, srcstep, samples);
|
||||
break;
|
||||
case FmtShort:
|
||||
Load_ALshort(dst, src, samples);
|
||||
Load_ALshort(dst, src, srcstep, samples);
|
||||
break;
|
||||
case FmtFloat:
|
||||
Load_ALfloat(dst, src, samples);
|
||||
Load_ALfloat(dst, src, srcstep, samples);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void SilenceStack(ALfloat *dst, ALuint samples)
|
||||
static void SilenceData(ALfloat *dst, ALuint samples)
|
||||
{
|
||||
ALuint i;
|
||||
for(i = 0;i < samples;i++)
|
||||
@@ -517,6 +84,16 @@ static void SilenceStack(ALfloat *dst, ALuint samples)
|
||||
}
|
||||
|
||||
|
||||
static void DoFilter(ALfilterState *filter, ALfloat *restrict dst, const ALfloat *restrict src,
|
||||
ALuint numsamples)
|
||||
{
|
||||
ALuint i;
|
||||
for(i = 0;i < numsamples;i++)
|
||||
dst[i] = ALfilterState_processSingle(filter, src[i]);
|
||||
dst[i] = ALfilterState_processSingleC(filter, src[i]);
|
||||
}
|
||||
|
||||
|
||||
ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
|
||||
{
|
||||
ALbufferlistitem *BufferListItem;
|
||||
@@ -528,232 +105,255 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
|
||||
ALenum State;
|
||||
ALuint OutPos;
|
||||
ALuint NumChannels;
|
||||
ALuint FrameSize;
|
||||
ALuint SampleSize;
|
||||
ALint64 DataSize64;
|
||||
ALuint i;
|
||||
ALuint chan, j;
|
||||
|
||||
/* Get source info */
|
||||
State = Source->state;
|
||||
BuffersPlayed = Source->BuffersPlayed;
|
||||
DataPosInt = Source->position;
|
||||
DataPosFrac = Source->position_fraction;
|
||||
Looping = Source->bLooping;
|
||||
Looping = Source->Looping;
|
||||
increment = Source->Params.Step;
|
||||
Resampler = Source->Resampler;
|
||||
Resampler = (increment==FRACTIONONE) ? PointResampler : Source->Resampler;
|
||||
NumChannels = Source->NumChannels;
|
||||
FrameSize = NumChannels * Source->SampleSize;
|
||||
SampleSize = Source->SampleSize;
|
||||
|
||||
/* Get current buffer queue item */
|
||||
BufferListItem = Source->queue;
|
||||
for(i = 0;i < BuffersPlayed;i++)
|
||||
for(j = 0;j < BuffersPlayed;j++)
|
||||
BufferListItem = BufferListItem->next;
|
||||
|
||||
OutPos = 0;
|
||||
do {
|
||||
const ALuint BufferPrePadding = ResamplerPrePadding[Resampler];
|
||||
const ALuint BufferPadding = ResamplerPadding[Resampler];
|
||||
ALfloat StackData[STACK_DATA_SIZE/sizeof(ALfloat)];
|
||||
ALfloat *SrcData = StackData;
|
||||
ALuint SrcDataSize = 0;
|
||||
ALuint BufferSize;
|
||||
ALuint SrcBufferSize, DstBufferSize;
|
||||
|
||||
/* Figure out how many buffer bytes will be needed */
|
||||
/* Figure out how many buffer samples will be needed */
|
||||
DataSize64 = SamplesToDo-OutPos+1;
|
||||
DataSize64 *= increment;
|
||||
DataSize64 += DataPosFrac+FRACTIONMASK;
|
||||
DataSize64 >>= FRACTIONBITS;
|
||||
DataSize64 += BufferPadding+BufferPrePadding;
|
||||
DataSize64 *= NumChannels;
|
||||
|
||||
BufferSize = (ALuint)mini64(DataSize64, STACK_DATA_SIZE/sizeof(ALfloat));
|
||||
BufferSize /= NumChannels;
|
||||
SrcBufferSize = (ALuint)mini64(DataSize64, BUFFERSIZE);
|
||||
|
||||
if(Source->lSourceType == AL_STATIC)
|
||||
{
|
||||
const ALbuffer *ALBuffer = Source->queue->buffer;
|
||||
const ALubyte *Data = ALBuffer->data;
|
||||
ALuint DataSize;
|
||||
ALuint pos;
|
||||
|
||||
/* If current pos is beyond the loop range, do not loop */
|
||||
if(Looping == AL_FALSE || DataPosInt >= (ALuint)ALBuffer->LoopEnd)
|
||||
{
|
||||
Looping = AL_FALSE;
|
||||
|
||||
if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
DataSize = BufferPrePadding - DataPosInt;
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
|
||||
SilenceStack(&SrcData[SrcDataSize*NumChannels],
|
||||
DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
|
||||
pos = 0;
|
||||
}
|
||||
|
||||
/* Copy what's left to play in the source buffer, and clear the
|
||||
* rest of the temp buffer */
|
||||
DataSize = ALBuffer->SampleLen - pos;
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
|
||||
LoadStack(&SrcData[SrcDataSize*NumChannels], &Data[pos*FrameSize],
|
||||
ALBuffer->FmtType, DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
|
||||
SilenceStack(&SrcData[SrcDataSize*NumChannels],
|
||||
BufferSize*NumChannels);
|
||||
SrcDataSize += BufferSize;
|
||||
BufferSize -= BufferSize;
|
||||
}
|
||||
else
|
||||
{
|
||||
ALuint LoopStart = ALBuffer->LoopStart;
|
||||
ALuint LoopEnd = ALBuffer->LoopEnd;
|
||||
|
||||
if(DataPosInt >= LoopStart)
|
||||
{
|
||||
pos = DataPosInt-LoopStart;
|
||||
while(pos < BufferPrePadding)
|
||||
pos += LoopEnd-LoopStart;
|
||||
pos -= BufferPrePadding;
|
||||
pos += LoopStart;
|
||||
}
|
||||
else if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
DataSize = BufferPrePadding - DataPosInt;
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
|
||||
SilenceStack(&SrcData[SrcDataSize*NumChannels], DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
|
||||
pos = 0;
|
||||
}
|
||||
|
||||
/* Copy what's left of this loop iteration, then copy repeats
|
||||
* of the loop section */
|
||||
DataSize = LoopEnd - pos;
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
|
||||
LoadStack(&SrcData[SrcDataSize*NumChannels], &Data[pos*FrameSize],
|
||||
ALBuffer->FmtType, DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
|
||||
DataSize = LoopEnd-LoopStart;
|
||||
while(BufferSize > 0)
|
||||
{
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
|
||||
LoadStack(&SrcData[SrcDataSize*NumChannels], &Data[LoopStart*FrameSize],
|
||||
ALBuffer->FmtType, DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Crawl the buffer queue to fill in the temp buffer */
|
||||
ALbufferlistitem *tmpiter = BufferListItem;
|
||||
ALuint pos;
|
||||
|
||||
if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
pos = BufferPrePadding - DataPosInt;
|
||||
while(pos > 0)
|
||||
{
|
||||
if(!tmpiter->prev && !Looping)
|
||||
{
|
||||
ALuint DataSize = minu(BufferSize, pos);
|
||||
|
||||
SilenceStack(&SrcData[SrcDataSize*NumChannels], DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
|
||||
pos = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if(tmpiter->prev)
|
||||
tmpiter = tmpiter->prev;
|
||||
else
|
||||
{
|
||||
while(tmpiter->next)
|
||||
tmpiter = tmpiter->next;
|
||||
}
|
||||
|
||||
if(tmpiter->buffer)
|
||||
{
|
||||
if((ALuint)tmpiter->buffer->SampleLen > pos)
|
||||
{
|
||||
pos = tmpiter->buffer->SampleLen - pos;
|
||||
break;
|
||||
}
|
||||
pos -= tmpiter->buffer->SampleLen;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while(tmpiter && BufferSize > 0)
|
||||
{
|
||||
const ALbuffer *ALBuffer;
|
||||
if((ALBuffer=tmpiter->buffer) != NULL)
|
||||
{
|
||||
const ALubyte *Data = ALBuffer->data;
|
||||
ALuint DataSize = ALBuffer->SampleLen;
|
||||
|
||||
/* Skip the data already played */
|
||||
if(DataSize <= pos)
|
||||
pos -= DataSize;
|
||||
else
|
||||
{
|
||||
Data += pos*FrameSize;
|
||||
DataSize -= pos;
|
||||
pos -= pos;
|
||||
|
||||
DataSize = minu(BufferSize, DataSize);
|
||||
LoadStack(&SrcData[SrcDataSize*NumChannels], Data,
|
||||
ALBuffer->FmtType, DataSize*NumChannels);
|
||||
SrcDataSize += DataSize;
|
||||
BufferSize -= DataSize;
|
||||
}
|
||||
}
|
||||
tmpiter = tmpiter->next;
|
||||
if(!tmpiter && Looping)
|
||||
tmpiter = Source->queue;
|
||||
else if(!tmpiter)
|
||||
{
|
||||
SilenceStack(&SrcData[SrcDataSize*NumChannels], BufferSize*NumChannels);
|
||||
SrcDataSize += BufferSize;
|
||||
BufferSize -= BufferSize;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Figure out how many samples we can mix. */
|
||||
DataSize64 = SrcDataSize;
|
||||
/* Figure out how many samples we can actually mix from this. */
|
||||
DataSize64 = SrcBufferSize;
|
||||
DataSize64 -= BufferPadding+BufferPrePadding;
|
||||
DataSize64 <<= FRACTIONBITS;
|
||||
DataSize64 -= increment;
|
||||
DataSize64 -= DataPosFrac;
|
||||
|
||||
BufferSize = (ALuint)((DataSize64+(increment-1)) / increment);
|
||||
BufferSize = minu(BufferSize, (SamplesToDo-OutPos));
|
||||
DstBufferSize = (ALuint)((DataSize64+(increment-1)) / increment);
|
||||
DstBufferSize = minu(DstBufferSize, (SamplesToDo-OutPos));
|
||||
|
||||
SrcData += BufferPrePadding*NumChannels;
|
||||
Source->Params.DoMix(Source, Device, SrcData, &DataPosInt, &DataPosFrac,
|
||||
OutPos, SamplesToDo, BufferSize);
|
||||
OutPos += BufferSize;
|
||||
/* Some mixers like having a multiple of 4, so try to give that unless
|
||||
* this is the last update. */
|
||||
if(OutPos+DstBufferSize < SamplesToDo)
|
||||
DstBufferSize &= ~3;
|
||||
|
||||
for(chan = 0;chan < NumChannels;chan++)
|
||||
{
|
||||
ALfloat *SrcData = Device->SampleData1;
|
||||
ALfloat *ResampledData = Device->SampleData2;
|
||||
ALuint SrcDataSize = 0;
|
||||
|
||||
if(Source->SourceType == AL_STATIC)
|
||||
{
|
||||
const ALbuffer *ALBuffer = Source->queue->buffer;
|
||||
const ALubyte *Data = ALBuffer->data;
|
||||
ALuint DataSize;
|
||||
ALuint pos;
|
||||
|
||||
/* If current pos is beyond the loop range, do not loop */
|
||||
if(Looping == AL_FALSE || DataPosInt >= (ALuint)ALBuffer->LoopEnd)
|
||||
{
|
||||
Looping = AL_FALSE;
|
||||
|
||||
if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
DataSize = BufferPrePadding - DataPosInt;
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, DataSize);
|
||||
|
||||
SilenceData(&SrcData[SrcDataSize], DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
|
||||
pos = 0;
|
||||
}
|
||||
|
||||
/* Copy what's left to play in the source buffer, and clear the
|
||||
* rest of the temp buffer */
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, ALBuffer->SampleLen - pos);
|
||||
|
||||
LoadData(&SrcData[SrcDataSize], &Data[(pos*NumChannels + chan)*SampleSize],
|
||||
NumChannels, ALBuffer->FmtType, DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
|
||||
SilenceData(&SrcData[SrcDataSize], SrcBufferSize - SrcDataSize);
|
||||
SrcDataSize += SrcBufferSize - SrcDataSize;
|
||||
}
|
||||
else
|
||||
{
|
||||
ALuint LoopStart = ALBuffer->LoopStart;
|
||||
ALuint LoopEnd = ALBuffer->LoopEnd;
|
||||
|
||||
if(DataPosInt >= LoopStart)
|
||||
{
|
||||
pos = DataPosInt-LoopStart;
|
||||
while(pos < BufferPrePadding)
|
||||
pos += LoopEnd-LoopStart;
|
||||
pos -= BufferPrePadding;
|
||||
pos += LoopStart;
|
||||
}
|
||||
else if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
DataSize = BufferPrePadding - DataPosInt;
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, DataSize);
|
||||
|
||||
SilenceData(&SrcData[SrcDataSize], DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
|
||||
pos = 0;
|
||||
}
|
||||
|
||||
/* Copy what's left of this loop iteration, then copy repeats
|
||||
* of the loop section */
|
||||
DataSize = LoopEnd - pos;
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, DataSize);
|
||||
|
||||
LoadData(&SrcData[SrcDataSize], &Data[(pos*NumChannels + chan)*SampleSize],
|
||||
NumChannels, ALBuffer->FmtType, DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
|
||||
DataSize = LoopEnd-LoopStart;
|
||||
while(SrcBufferSize > SrcDataSize)
|
||||
{
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, DataSize);
|
||||
|
||||
LoadData(&SrcData[SrcDataSize], &Data[(LoopStart*NumChannels + chan)*SampleSize],
|
||||
NumChannels, ALBuffer->FmtType, DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Crawl the buffer queue to fill in the temp buffer */
|
||||
ALbufferlistitem *tmpiter = BufferListItem;
|
||||
ALuint pos;
|
||||
|
||||
if(DataPosInt >= BufferPrePadding)
|
||||
pos = DataPosInt - BufferPrePadding;
|
||||
else
|
||||
{
|
||||
pos = BufferPrePadding - DataPosInt;
|
||||
while(pos > 0)
|
||||
{
|
||||
if(!tmpiter->prev && !Looping)
|
||||
{
|
||||
ALuint DataSize = minu(SrcBufferSize - SrcDataSize, pos);
|
||||
|
||||
SilenceData(&SrcData[SrcDataSize], DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
|
||||
pos = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if(tmpiter->prev)
|
||||
tmpiter = tmpiter->prev;
|
||||
else
|
||||
{
|
||||
while(tmpiter->next)
|
||||
tmpiter = tmpiter->next;
|
||||
}
|
||||
|
||||
if(tmpiter->buffer)
|
||||
{
|
||||
if((ALuint)tmpiter->buffer->SampleLen > pos)
|
||||
{
|
||||
pos = tmpiter->buffer->SampleLen - pos;
|
||||
break;
|
||||
}
|
||||
pos -= tmpiter->buffer->SampleLen;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while(tmpiter && SrcBufferSize > SrcDataSize)
|
||||
{
|
||||
const ALbuffer *ALBuffer;
|
||||
if((ALBuffer=tmpiter->buffer) != NULL)
|
||||
{
|
||||
const ALubyte *Data = ALBuffer->data;
|
||||
ALuint DataSize = ALBuffer->SampleLen;
|
||||
|
||||
/* Skip the data already played */
|
||||
if(DataSize <= pos)
|
||||
pos -= DataSize;
|
||||
else
|
||||
{
|
||||
Data += (pos*NumChannels + chan)*SampleSize;
|
||||
DataSize -= pos;
|
||||
pos -= pos;
|
||||
|
||||
DataSize = minu(SrcBufferSize - SrcDataSize, DataSize);
|
||||
LoadData(&SrcData[SrcDataSize], Data, NumChannels,
|
||||
ALBuffer->FmtType, DataSize);
|
||||
SrcDataSize += DataSize;
|
||||
}
|
||||
}
|
||||
tmpiter = tmpiter->next;
|
||||
if(!tmpiter && Looping)
|
||||
tmpiter = Source->queue;
|
||||
else if(!tmpiter)
|
||||
{
|
||||
SilenceData(&SrcData[SrcDataSize], SrcBufferSize - SrcDataSize);
|
||||
SrcDataSize += SrcBufferSize - SrcDataSize;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Now resample, then filter and mix to the appropriate outputs. */
|
||||
Source->Params.Resample(&SrcData[BufferPrePadding], DataPosFrac,
|
||||
increment, ResampledData, DstBufferSize);
|
||||
|
||||
{
|
||||
DirectParams *directparms = &Source->Params.Direct;
|
||||
|
||||
DoFilter(&directparms->LpFilter[chan], SrcData, ResampledData,
|
||||
DstBufferSize);
|
||||
Source->Params.DryMix(directparms, SrcData, chan, OutPos,
|
||||
SamplesToDo, DstBufferSize);
|
||||
}
|
||||
|
||||
for(j = 0;j < Device->NumAuxSends;j++)
|
||||
{
|
||||
SendParams *sendparms = &Source->Params.Send[j];
|
||||
if(!sendparms->OutBuffer)
|
||||
continue;
|
||||
|
||||
DoFilter(&sendparms->LpFilter[chan], SrcData, ResampledData,
|
||||
DstBufferSize);
|
||||
Source->Params.WetMix(sendparms, SrcData, OutPos,
|
||||
SamplesToDo, DstBufferSize);
|
||||
}
|
||||
}
|
||||
/* Update positions */
|
||||
for(j = 0;j < DstBufferSize;j++)
|
||||
{
|
||||
DataPosFrac += increment;
|
||||
DataPosInt += DataPosFrac>>FRACTIONBITS;
|
||||
DataPosFrac &= FRACTIONMASK;
|
||||
}
|
||||
OutPos += DstBufferSize;
|
||||
|
||||
/* Handle looping sources */
|
||||
while(1)
|
||||
@@ -772,7 +372,7 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
|
||||
break;
|
||||
}
|
||||
|
||||
if(Looping && Source->lSourceType == AL_STATIC)
|
||||
if(Looping && Source->SourceType == AL_STATIC)
|
||||
{
|
||||
DataPosInt = ((DataPosInt-LoopStart)%(LoopEnd-LoopStart)) + LoopStart;
|
||||
break;
|
||||
@@ -810,15 +410,12 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
|
||||
Source->BuffersPlayed = BuffersPlayed;
|
||||
Source->position = DataPosInt;
|
||||
Source->position_fraction = DataPosFrac;
|
||||
Source->HrtfOffset += OutPos;
|
||||
Source->Hrtf.Offset += OutPos;
|
||||
if(State == AL_PLAYING)
|
||||
{
|
||||
Source->HrtfCounter = maxu(Source->HrtfCounter, OutPos) - OutPos;
|
||||
Source->HrtfMoving = AL_TRUE;
|
||||
}
|
||||
Source->Hrtf.Counter = maxu(Source->Hrtf.Counter, OutPos) - OutPos;
|
||||
else
|
||||
{
|
||||
Source->HrtfCounter = 0;
|
||||
Source->HrtfMoving = AL_FALSE;
|
||||
Source->Hrtf.Counter = 0;
|
||||
Source->Hrtf.Moving = AL_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user