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When called on a link with a filter whose destination pad has not a get_video_buffer callback defined, it will call avfilter_get_video_buffer() on the first output link of the destination filer, rather than use avfilter_default_get_buffer(), so the video buffer can be allocated forward in the filterchain. Also add the w and h parameters to avfilter_get_video_buffer(), as the minimum width and height requested by each filter in the filterchain may change, this allows for example a memcpy-less pad filter. This change breaks API / ABI backward compatibility. See the thread: "[PATCH] Implement recusive avfilter_get_video_buffer()". Originally committed as revision 20272 to svn://svn.ffmpeg.org/ffmpeg/trunk |
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| .. | ||
| allfilters.c | ||
| avfilter.c | ||
| avfilter.h | ||
| avfiltergraph.c | ||
| avfiltergraph.h | ||
| defaults.c | ||
| formats.c | ||
| graphparser.c | ||
| graphparser.h | ||
| Makefile | ||
| parseutils.c | ||
| parseutils.h | ||