diff options
| author | Anton Khirnov <anton@khirnov.net> | 2012-07-08 17:29:42 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-07-22 09:14:04 +0200 |
| commit | ebc8d974817fe456a0afe6867fdeb22c761fb04f (patch) | |
| tree | d08864445a712ca289ef8a1b2a4fa4d7ff2e81e0 /libavfilter/video.h | |
| parent | 1470ce21cec5ee26e106e2a884c26bbf84e5aaea (diff) | |
lavfi: add error handling to start_frame().
Diffstat (limited to 'libavfilter/video.h')
| -rw-r--r-- | libavfilter/video.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavfilter/video.h b/libavfilter/video.h index ce4e9c2992..3edf47addc 100644 --- a/libavfilter/video.h +++ b/libavfilter/video.h @@ -39,7 +39,7 @@ AVFilterBufferRef *ff_null_get_video_buffer(AVFilterLink *link, int perms, int w AVFilterBufferRef *ff_get_video_buffer(AVFilterLink *link, int perms, int w, int h); -void ff_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref); +int ff_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref); void ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir); void ff_null_end_frame(AVFilterLink *link); @@ -51,8 +51,11 @@ void ff_null_end_frame(AVFilterLink *link); * frame need only be valid once draw_slice() is called for that * portion. The receiving filter will free this reference when * it no longer needs it. + * + * @return >= 0 on success, a negative AVERROR on error. This function will + * unreference picref in case of error. */ -void ff_start_frame(AVFilterLink *link, AVFilterBufferRef *picref); +int ff_start_frame(AVFilterLink *link, AVFilterBufferRef *picref); /** * Notify the next filter that the current frame has finished. |