Revision 0eb4ff9e
| ID | 0eb4ff9e37f2b44bcf143c9b503609cea5db13cb |
| Parent | 1f09ab5e |
| Child | c3b27a3d |
Make avfilter_get_video_buffer() recursive.
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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