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Implement avcodec_get_channel_layout(). 

Patch by S.N. Hemanth Meenakshisundaram smeenaks:ucsd+edu.

Originally committed as revision 24936 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
S.N. Hemanth Meenakshisundaram 2010-08-26 00:38:25 +00:00 committed by Stefano Sabatini
parent f06d6c751f
commit 5da19b53c6
3 changed files with 19 additions and 2 deletions
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12
libavcodec/audioconvert.c
View File

@ -121,6 +121,18 @@ static const struct {
{ 0 }
};
int64_t avcodec_get_channel_layout(const char *name)
{
int i = 0;
do {
if (!strcmp(channel_layout_map[i].name, name))
return channel_layout_map[i].layout;
i++;
} while (channel_layout_map[i].name);
return 0;
}
void avcodec_get_channel_layout_string(char *buf, int buf_size, int nb_channels, int64_t channel_layout)
{
int i;

5
libavcodec/audioconvert.h
View File

@ -59,6 +59,11 @@ enum SampleFormat avcodec_get_sample_fmt(const char* name);
*/
const char *avcodec_get_channel_name(int channel_id);
/**
* @return channel layout that matches name, 0 if no match
*/
int64_t avcodec_get_channel_layout(const char *name);
/**
* Return description of channel layout
*/

4
libavcodec/avcodec.h
View File

@ -30,8 +30,8 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 86
#define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_MINOR 87
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \