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Remove an unneeded parameter from the resampler

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This commit is contained in:
Chris Robinson 2012-09-27 02:46:15 -07:00
parent 68faef5b84
commit 41b2c2f3bb
4 changed files with 13 additions and 18 deletions
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2
Alc/mixer.c
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@ -323,7 +323,7 @@ ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
/* Now resample, then filter and mix to the appropriate outputs. */
Source->Params.Resample(&SrcData[BufferPrePadding], DataPosFrac,
increment, 1, ResampledData, DstBufferSize);
increment, ResampledData, DstBufferSize);
{
DirectParams *directparms = &Source->Params.Direct;

20
Alc/mixer_c.c
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@ -6,27 +6,23 @@
#include "alAuxEffectSlot.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)); }
static __inline ALfloat point32(const ALfloat *vals, ALint frac)
{ return vals[0]; (void)frac; }
static __inline ALfloat lerp32(const ALfloat *vals, ALint frac)
{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); }
static __inline ALfloat cubic32(const ALfloat *vals, ALint frac)
{ return cubic(vals[-1], vals[0], vals[1], vals[2], frac * (1.0f/FRACTIONONE)); }
#define DECL_TEMPLATE(Sampler) \
void Resample_##Sampler##_C(const ALfloat *data, ALuint frac, \
ALuint increment, ALuint NumChannels, ALfloat *RESTRICT OutBuffer, \
ALuint BufferSize) \
ALuint increment, ALfloat *RESTRICT OutBuffer, ALuint BufferSize) \
{ \
ALuint pos = 0; \
ALfloat value; \
ALuint i; \
\
for(i = 0;i < BufferSize+1;i++) \
{ \
value = Sampler(data + pos*NumChannels, NumChannels, frac); \
OutBuffer[i] = value; \
OutBuffer[i] = Sampler(data + pos, frac); \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \

6
Alc/mixer_defs.h
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@ -10,9 +10,9 @@ struct DirectParams;
struct SendParams;
/* C resamplers */
void Resample_point32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen);
void Resample_lerp32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen);
void Resample_cubic32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen);
void Resample_point32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *RESTRICT dst, ALuint dstlen);
void Resample_lerp32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *RESTRICT dst, ALuint dstlen);
void Resample_cubic32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *RESTRICT dst, ALuint dstlen);
/* C mixers */

3
OpenAL32/Include/alu.h
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@ -80,8 +80,7 @@ struct ALbuffer;
struct DirectParams;
struct SendParams;
typedef void (*ResamplerFunc)(const ALfloat *src, ALuint frac,
ALuint increment, ALuint NumChannels,
typedef void (*ResamplerFunc)(const ALfloat *src, ALuint frac, ALuint increment,
ALfloat *RESTRICT dst, ALuint dstlen);
typedef ALvoid (*DryMixerFunc)(struct ALsource *self, ALCdevice *Device,