faa6877fdd2995a02e18996a53b7633775bfcdf6
[libav.git] / libavcodec / liba52 / resample.c
1
2 // a52_resample_init should find the requested converter (from type flags ->
3 // given number of channels) and set up some function pointers...
4
5 // a52_resample() should do the conversion.
6
7 #include "a52.h"
8 #include "mm_accel.h"
9 #include "config.h"
10 #include "../libpostproc/mangle.h"
11
12 int (* a52_resample) (float * _f, int16_t * s16)=NULL;
13
14 #include "resample_c.c"
15
16 #ifdef ARCH_X86
17 #include "resample_mmx.c"
18 #endif
19
20 void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
21 void* tmp;
22
23 #ifdef ARCH_X86
24 if(mm_accel&MM_ACCEL_X86_MMX){
25 tmp=a52_resample_MMX(flags,chans);
26 if(tmp){
27 if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "Using MMX optimized resampler\n");
28 a52_resample=tmp;
29 return tmp;
30 }
31 }
32 #endif
33
34 tmp=a52_resample_C(flags,chans);
35 if(tmp){
36 if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "No accelerated resampler found\n");
37 a52_resample=tmp;
38 return tmp;
39 }
40
41 av_log(NULL, AV_LOG_ERROR, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
42 return NULL;
43 }