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Code Issues Releases Activity

Implement av_fifo_space().

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Patch by Olivier Guilyardi list et samalyse DOT c0m.

Originally committed as revision 18321 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Olivier Guilyardi 2009-04-02 23:22:19 +00:00 committed by Stefano Sabatini
parent a8f9e7f641
commit 7b09db3522
3 changed files with 14 additions and 1 deletions
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2
libavutil/avutil.h
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@ -35,7 +35,7 @@
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 50 #define LIBAVUTIL_VERSION_MAJOR 50
#define LIBAVUTIL_VERSION_MINOR 2 #define LIBAVUTIL_VERSION_MINOR 3
#define LIBAVUTIL_VERSION_MICRO 0 #define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

5
libavutil/fifo.c
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@ -54,6 +54,11 @@ int av_fifo_size(AVFifoBuffer *f)
return (uint32_t)(f->wndx - f->rndx); return (uint32_t)(f->wndx - f->rndx);
} }
int av_fifo_space(AVFifoBuffer *f)
{
return f->end - f->buffer - av_fifo_size(f);
}
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size) { int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size) {
unsigned int old_size= f->end - f->buffer; unsigned int old_size= f->end - f->buffer;

8
libavutil/fifo.h
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@ -61,6 +61,14 @@ void av_fifo_reset(AVFifoBuffer *f);
*/ */
int av_fifo_size(AVFifoBuffer *f); int av_fifo_size(AVFifoBuffer *f);
/**
* Returns the amount of space in bytes in the AVFifoBuffer, that is the
* amount of data you can write into it.
* @param *f AVFifoBuffer to write into
* @return size
*/
int av_fifo_space(AVFifoBuffer *f);
/** /**
* Feeds data from an AVFifoBuffer to a user-supplied callback. * Feeds data from an AVFifoBuffer to a user-supplied callback.
* @param *f AVFifoBuffer to read from * @param *f AVFifoBuffer to read from