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lavu/fifo: add av_fifo_freep function

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Function allows to free fifo and reset freed pointer.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2014-05-06 21:28:51 +02:00
parent 54ae58802e
commit 351f6118c7
4 changed files with 18 additions and 1 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2012-10-22
API changes, most recent first: API changes, most recent first:
2014-05-xx - xxxxxxx - lavu 52.82.0 - fifo.h
Add av_fifo_freep() function.
2014-05-02 - ba52fb11 - lavu 52.81.0 - opt.h 2014-05-02 - ba52fb11 - lavu 52.81.0 - opt.h
Add av_opt_set_dict2() function. Add av_opt_set_dict2() function.

8
libavutil/fifo.c
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@ -45,6 +45,14 @@ void av_fifo_free(AVFifoBuffer *f)
} }
} }
void av_fifo_freep(AVFifoBuffer **f)
{
if (f) {
av_fifo_free(*f);
*f = NULL;
}
}
void av_fifo_reset(AVFifoBuffer *f) void av_fifo_reset(AVFifoBuffer *f)
{ {
f->wptr = f->rptr = f->buffer; f->wptr = f->rptr = f->buffer;

6
libavutil/fifo.h
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@ -47,6 +47,12 @@ AVFifoBuffer *av_fifo_alloc(unsigned int size);
*/ */
void av_fifo_free(AVFifoBuffer *f); void av_fifo_free(AVFifoBuffer *f);
/**
* Free an AVFifoBuffer and reset pointer to NULL.
* @param f AVFifoBuffer to free
*/
void av_fifo_freep(AVFifoBuffer **f);
/** /**
* Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied. * Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied.
* @param f AVFifoBuffer to reset * @param f AVFifoBuffer to reset

2
libavutil/version.h
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@ -56,7 +56,7 @@
*/ */
#define LIBAVUTIL_VERSION_MAJOR 52 #define LIBAVUTIL_VERSION_MAJOR 52
#define LIBAVUTIL_VERSION_MINOR 81 #define LIBAVUTIL_VERSION_MINOR 82
#define LIBAVUTIL_VERSION_MICRO 100 #define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \