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authorChris Robinson <[email protected]>2010-11-25 22:04:17 -0800
committerChris Robinson <[email protected]>2010-11-25 22:04:17 -0800
commitb6fb28de1a895169512048915afc89636e85a9c6 (patch)
tree88850fd5cf961df7e97f1560a1f0951cf75b7c56 /Alc
parent17fc4ba5e3f8c3a626e2e2032f6dfcab3e47d203 (diff)
Pass a pointer to the samplers so they can read just the samples they need
Diffstat (limited to 'Alc')
-rw-r--r--Alc/mixer.c115
1 files changed, 51 insertions, 64 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c
index 3c76cd40..848e9c9c 100644
--- a/Alc/mixer.c
+++ b/Alc/mixer.c
@@ -37,27 +37,26 @@
#include "bs2b.h"
-static __inline ALdouble point(ALdouble val1, ALdouble val2, ALint frac)
-{
- return val1;
- (void)val2;
- (void)frac;
-}
static __inline ALdouble lerp(ALdouble val1, ALdouble val2, ALint frac)
{
val1 += ((val2-val1) * (frac * (1.0/(1<<FRACTIONBITS))));
return val1;
}
-static __inline ALdouble point16(ALdouble val1, ALdouble val2, ALint frac)
-{ return point(val1, val2, frac) / 32767.0; }
-static __inline ALdouble lerp16(ALdouble val1, ALdouble val2, ALint frac)
-{ return lerp(val1, val2, frac) / 32767.0; }
+static __inline ALdouble point32(const ALfloat *vals, ALuint step, ALint frac)
+{ return vals[0]; (void)step; (void)frac; }
+static __inline ALdouble lerp32(const ALfloat *vals, ALuint step, ALint frac)
+{ return lerp(vals[0], vals[step], frac); }
-static __inline ALdouble point8(ALdouble val1, ALdouble val2, ALint frac)
-{ return (point(val1, val2, frac)-128.0) / 127.0; }
-static __inline ALdouble lerp8(ALdouble val1, ALdouble val2, ALint frac)
-{ return (lerp(val1, val2, frac)-128.0) / 127.0; }
+static __inline ALdouble point16(const ALshort *vals, ALuint step, ALint frac)
+{ return vals[0] / 32767.0; (void)step; (void)frac; }
+static __inline ALdouble lerp16(const ALshort *vals, ALuint step, ALint frac)
+{ return lerp(vals[0], vals[step], frac) / 32767.0; }
+
+static __inline ALdouble point8(const ALubyte *vals, ALuint step, ALint frac)
+{ return (vals[0]-128.0) / 127.0; (void)step; (void)frac; }
+static __inline ALdouble lerp8(const ALubyte *vals, ALuint step, ALint frac)
+{ return (lerp(vals[0], vals[step], frac)-128.0) / 127.0; }
#define DECL_TEMPLATE(T, sampler) \
@@ -89,7 +88,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
\
if(j == 0) \
{ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
value = lpFilter4PC(DryFilter, 0, value); \
ClickRemoval[FRONT_LEFT] -= value*DrySend[FRONT_LEFT]; \
@@ -104,7 +103,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
/* First order interpolator */ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
/* Direct path final mix buffer and panning */ \
value = lpFilter4P(DryFilter, 0, value); \
@@ -124,7 +123,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
} \
if(j == SamplesToDo) \
{ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
value = lpFilter4PC(DryFilter, 0, value); \
PendingClicks[FRONT_LEFT] += value*DrySend[FRONT_LEFT]; \
@@ -161,7 +160,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
\
if(j == 0) \
{ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
value = lpFilter2PC(WetFilter, 0, value); \
WetClickRemoval[0] -= value*WetSend; \
@@ -169,7 +168,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
/* First order interpolator */ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
/* Room path final mix buffer and panning */ \
value = lpFilter2P(WetFilter, 0, value); \
@@ -182,7 +181,7 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
} \
if(j == SamplesToDo) \
{ \
- value = sampler(data[pos], data[pos+1], frac); \
+ value = sampler(data+pos, 1, frac); \
\
value = lpFilter2PC(WetFilter, 0, value); \
WetPendingClicks[0] += value*WetSend; \
@@ -192,8 +191,8 @@ static void Mix_##T##_Mono_##sampler(ALsource *Source, ALCdevice *Device, \
*DataPosFrac = frac; \
}
-DECL_TEMPLATE(ALfloat, point)
-DECL_TEMPLATE(ALfloat, lerp)
+DECL_TEMPLATE(ALfloat, point32)
+DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
@@ -242,8 +241,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, chans[i]*2, value); \
ClickRemoval[chans[i+0]] -= value*DrySend[chans[i+0]]; \
@@ -255,8 +253,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2P(DryFilter, chans[i]*2, value); \
DryBuffer[j][chans[i+0]] += value*DrySend[chans[i+0]]; \
@@ -273,8 +270,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, chans[i]*2, value); \
PendingClicks[chans[i+0]] += value*DrySend[chans[i+0]]; \
@@ -309,8 +305,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, chans[i], value); \
WetClickRemoval[0] -= value*WetSend * scaler; \
@@ -320,8 +315,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1P(WetFilter, chans[i], value); \
WetBuffer[j] += value*WetSend * scaler; \
@@ -336,8 +330,7 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, chans[i], value); \
WetPendingClicks[0] += value*WetSend * scaler; \
@@ -348,8 +341,8 @@ static void Mix_##T##_Stereo_##sampler(ALsource *Source, ALCdevice *Device, \
*DataPosFrac = frac; \
}
-DECL_TEMPLATE(ALfloat, point)
-DECL_TEMPLATE(ALfloat, lerp)
+DECL_TEMPLATE(ALfloat, point32)
+DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
@@ -393,8 +386,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, chans[i]*2, value); \
ClickRemoval[chans[i]] -= value*DrySend[chans[i]]; \
@@ -404,8 +396,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2P(DryFilter, chans[i]*2, value); \
DryBuffer[j][chans[i]] += value*DrySend[chans[i]]; \
@@ -420,8 +411,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, chans[i]*2, value); \
PendingClicks[chans[i]] += value*DrySend[chans[i]]; \
@@ -454,8 +444,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, chans[i], value); \
WetClickRemoval[0] -= value*WetSend * scaler; \
@@ -465,8 +454,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1P(WetFilter, chans[i], value); \
WetBuffer[j] += value*WetSend * scaler; \
@@ -481,8 +469,7 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
{ \
for(i = 0;i < Channels;i++) \
{ \
- value = sampler(data[pos*Channels + i], \
- data[(pos+1)*Channels + i], frac); \
+ value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, chans[i], value); \
WetPendingClicks[0] += value*WetSend * scaler; \
@@ -495,8 +482,8 @@ static void Mix_##T##_##chans##_##sampler(ALsource *Source, ALCdevice *Device,\
static const Channel QuadChans[] = { FRONT_LEFT, FRONT_RIGHT,
BACK_LEFT, BACK_RIGHT };
-DECL_TEMPLATE(ALfloat, QuadChans, point)
-DECL_TEMPLATE(ALfloat, QuadChans, lerp)
+DECL_TEMPLATE(ALfloat, QuadChans, point32)
+DECL_TEMPLATE(ALfloat, QuadChans, lerp32)
DECL_TEMPLATE(ALshort, QuadChans, point16)
DECL_TEMPLATE(ALshort, QuadChans, lerp16)
@@ -508,8 +495,8 @@ DECL_TEMPLATE(ALubyte, QuadChans, lerp8)
static const Channel X51Chans[] = { FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_LEFT, BACK_RIGHT };
-DECL_TEMPLATE(ALfloat, X51Chans, point)
-DECL_TEMPLATE(ALfloat, X51Chans, lerp)
+DECL_TEMPLATE(ALfloat, X51Chans, point32)
+DECL_TEMPLATE(ALfloat, X51Chans, lerp32)
DECL_TEMPLATE(ALshort, X51Chans, point16)
DECL_TEMPLATE(ALshort, X51Chans, lerp16)
@@ -522,8 +509,8 @@ static const Channel X61Chans[] = { FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_CENTER,
SIDE_LEFT, SIDE_RIGHT };
-DECL_TEMPLATE(ALfloat, X61Chans, point)
-DECL_TEMPLATE(ALfloat, X61Chans, lerp)
+DECL_TEMPLATE(ALfloat, X61Chans, point32)
+DECL_TEMPLATE(ALfloat, X61Chans, lerp32)
DECL_TEMPLATE(ALshort, X61Chans, point16)
DECL_TEMPLATE(ALshort, X61Chans, lerp16)
@@ -536,8 +523,8 @@ static const Channel X71Chans[] = { FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_LEFT, BACK_RIGHT,
SIDE_LEFT, SIDE_RIGHT };
-DECL_TEMPLATE(ALfloat, X71Chans, point)
-DECL_TEMPLATE(ALfloat, X71Chans, lerp)
+DECL_TEMPLATE(ALfloat, X71Chans, point32)
+DECL_TEMPLATE(ALfloat, X71Chans, lerp32)
DECL_TEMPLATE(ALshort, X71Chans, point16)
DECL_TEMPLATE(ALshort, X71Chans, lerp16)
@@ -588,8 +575,8 @@ static void Mix_##T##_##sampler(ALsource *Source, ALCdevice *Device, ALuint Chan
} \
}
-DECL_TEMPLATE(ALfloat, point)
-DECL_TEMPLATE(ALfloat, lerp)
+DECL_TEMPLATE(ALfloat, point32)
+DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
@@ -857,9 +844,9 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
{
case POINT_RESAMPLER:
if(Bytes == 4)
- Mix_ALfloat_point(Source, Device, Channels,
- SrcData, &DataPosInt, &DataPosFrac,
- j, SamplesToDo, BufferSize);
+ Mix_ALfloat_point32(Source, Device, Channels,
+ SrcData, &DataPosInt, &DataPosFrac,
+ j, SamplesToDo, BufferSize);
else if(Bytes == 2)
Mix_ALshort_point16(Source, Device, Channels,
SrcData, &DataPosInt, &DataPosFrac,
@@ -871,9 +858,9 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
break;
case LINEAR_RESAMPLER:
if(Bytes == 4)
- Mix_ALfloat_lerp(Source, Device, Channels,
- SrcData, &DataPosInt, &DataPosFrac,
- j, SamplesToDo, BufferSize);
+ Mix_ALfloat_lerp32(Source, Device, Channels,
+ SrcData, &DataPosInt, &DataPosFrac,
+ j, SamplesToDo, BufferSize);
else if(Bytes == 2)
Mix_ALshort_lerp16(Source, Device, Channels,
SrcData, &DataPosInt, &DataPosFrac,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:38:23 +0000