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https://github.com/mpv-player/mpv
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236d514567
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16174 b3059339-0415-0410-9bf9-f77b7e298cf2
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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// a52_resample_init should find the requested converter (from type flags ->
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// given number of channels) and set up some function pointers...
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// a52_resample() should do the conversion.
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#include <inttypes.h>
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#include <stdio.h>
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#include "a52.h"
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#include "mm_accel.h"
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#include "../config.h"
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#include "mangle.h"
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int (* a52_resample) (float * _f, int16_t * s16)=NULL;
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#include "resample_c.c"
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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#include "resample_mmx.c"
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#endif
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#ifdef HAVE_ALTIVEC
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#include "resample_altivec.c"
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#endif
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void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
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void* tmp;
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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if(mm_accel&MM_ACCEL_X86_MMX){
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tmp=a52_resample_MMX(flags,chans);
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if(tmp){
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if(a52_resample==NULL) fprintf(stderr, "Using MMX optimized resampler\n");
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a52_resample=tmp;
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return tmp;
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}
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}
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#endif
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#ifdef HAVE_ALTIVEC
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if(mm_accel&MM_ACCEL_PPC_ALTIVEC){
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tmp=a52_resample_altivec(flags,chans);
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if(tmp){
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if(a52_resample==NULL) fprintf(stderr, "Using AltiVec optimized resampler\n");
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a52_resample=tmp;
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return tmp;
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}
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}
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#endif
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tmp=a52_resample_C(flags,chans);
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if(tmp){
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if(a52_resample==NULL) fprintf(stderr, "No accelerated resampler found\n");
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a52_resample=tmp;
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return tmp;
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}
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fprintf(stderr, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
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return NULL;
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}
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