#include "avcodec.h"
#include "audioconvert.h"
-uint64_t avcodec_guess_channel_layout(int nb_channels, enum CodecID codec_id, const char *fmt_name)
-{
- switch(nb_channels) {
- case 1: return AV_CH_LAYOUT_MONO;
- case 2: return AV_CH_LAYOUT_STEREO;
- case 3: return AV_CH_LAYOUT_SURROUND;
- case 4: return AV_CH_LAYOUT_QUAD;
- case 5: return AV_CH_LAYOUT_5POINT0;
- case 6: return AV_CH_LAYOUT_5POINT1;
- case 8: return AV_CH_LAYOUT_7POINT1;
- default: return 0;
- }
-}
-
struct AVAudioConvert {
int in_channels, out_channels;
int fmt_pair;