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Make av_get_channel_layout_string() guess the number of channels if it

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was not provided.

Originally committed as revision 26324 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2011-01-13 01:00:31 +00:00
parent caeb0c3027
commit 8b69c2f463
3 changed files with 5 additions and 1 deletions
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3
libavcore/audioconvert.c
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@ -78,6 +78,9 @@ void av_get_channel_layout_string(char *buf, int buf_size,
{
int i;
if (nb_channels <= 0)
nb_channels = av_get_channel_layout_nb_channels(channel_layout);
for (i = 0; channel_layout_map[i].name; i++)
if (nb_channels == channel_layout_map[i].nb_channels &&
channel_layout == channel_layout_map[i].layout) {

1
libavcore/audioconvert.h
View File

@ -80,6 +80,7 @@ int64_t av_get_channel_layout(const char *name);
/**
* Return a description of a channel layout.
* If nb_channels is <= 0, it is guessed from the channel_layout.
*
* @param buf put here the string containing the channel layout
* @param buf_size size in bytes of the buffer

2
libavcore/avcore.h
View File

@ -28,7 +28,7 @@
#define LIBAVCORE_VERSION_MAJOR 0
#define LIBAVCORE_VERSION_MINOR 16
#define LIBAVCORE_VERSION_MICRO 0
#define LIBAVCORE_VERSION_MICRO 1
#define LIBAVCORE_VERSION_INT AV_VERSION_INT(LIBAVCORE_VERSION_MAJOR, \
LIBAVCORE_VERSION_MINOR, \