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libavfilter: Support using filter_frame for video

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With this we can mix filters using filter_frame OR start/draw_slice/end

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-11-28 16:39:04 +01:00
parent a0b8eec719
commit 3ed483cdfa
5 changed files with 50 additions and 11 deletions
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12
libavfilter/internal.h
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@@ -368,5 +368,17 @@ AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink,
int ff_buffersink_read_compat(AVFilterContext *ctx, AVFilterBufferRef **buf);
int ff_buffersink_read_samples_compat(AVFilterContext *ctx, AVFilterBufferRef **pbuf,
int nb_samples);
/**
* Send a frame of data to the next filter.
*
* @param link the output link over which the data is being sent
* @param frame a reference to the buffer of data being sent. The
* receiving filter will free this reference when it no longer
* needs it or pass it on to the next filter.
*
* @return >= 0 on success, a negative AVERROR on error. The receiving filter
* is responsible for unreferencing frame in case of error.
*/
int ff_filter_frame(AVFilterLink *link, AVFilterBufferRef *frame);
#endif /* AVFILTER_INTERNAL_H */