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| author | Nicolas George <george@nsup.org> | 2016-12-20 14:56:03 +0100 |
|---|---|---|
| committer | Nicolas George <george@nsup.org> | 2017-01-12 14:06:16 +0100 |
| commit | 28c62df672865890cbb13e5f0e94bde29c8fbacd (patch) | |
| tree | e83869d04bea0d4cdbb5bc7d1d393f58be59264b /libavfilter/filters.h | |
| parent | 918891e1468f34b9f52423e1779f909ddd9dc34d (diff) | |
lavfi: implement ff_inlink_make_frame_writable().
Unlike av_frame_is_writable(), it uses the link's alloc callback,
making direct rendering possible.
The code comes from ff_filter_frame_framed(), moved with mostly
trivial changes.
Diffstat (limited to 'libavfilter/filters.h')
| -rw-r--r-- | libavfilter/filters.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavfilter/filters.h b/libavfilter/filters.h index 72e5676369..3036ba27a6 100644 --- a/libavfilter/filters.h +++ b/libavfilter/filters.h @@ -40,6 +40,13 @@ void ff_filter_set_ready(AVFilterContext *filter, unsigned priority); /** + * Make sure a frame is writable. + * This is similar to av_frame_make_writable() except it uses the link's + * buffer allocation callback, and therefore allows direct rendering. + */ +int ff_inlink_make_frame_writable(AVFilterLink *link, AVFrame **rframe); + +/** * Test and acknowledge the change of status on the link. * * Status means EOF or an error condition; a change from the normal (0) |