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Make avfilter_unref_buffer() accept a NULL parameter. 

Originally committed as revision 26373 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2011-01-15 17:21:15 +00:00
parent 24d13ebc15
commit 6baf4afa99
2 changed files with 4 additions and 2 deletions
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2
libavfilter/avfilter.c
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@ -70,6 +70,8 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref->video);

4
libavfilter/avfilter.h
View File

@ -28,7 +28,7 @@
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 73
#define LIBAVFILTER_VERSION_MICRO 1
#define LIBAVFILTER_VERSION_MICRO 2
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
@ -177,7 +177,7 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);
* Remove a reference to a buffer. If this is the last reference to the
* buffer, the buffer itself is also automatically freed.
*
* @param ref reference to the buffer
* @param ref reference to the buffer, may be NULL
*/
void avfilter_unref_buffer(AVFilterBufferRef *ref);