From 6baf4afa9969eea23cd4ec9b0cec3b7aed1f49af Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sat, 15 Jan 2011 17:21:15 +0000 Subject: Make avfilter_unref_buffer() accept a NULL parameter. Originally committed as revision 26373 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavfilter/avfilter.c | 2 ++ libavfilter/avfilter.h | 4 ++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index 6ecd4ce..4fbb6bf 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -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); diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h index a3c51e0..5b08941 100644 --- a/libavfilter/avfilter.h +++ b/libavfilter/avfilter.h @@ -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); -- cgit v1.1