Statistics
| Branch: | Revision:

ffmpeg / libavcodec / liba52 / resample.c @ 3d0ef6dd

History | View | Annotate | Download (1.05 KB)

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
}