diff options
| author | Anton Khirnov <anton@khirnov.net> | 2012-07-14 09:25:33 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-07-22 09:14:05 +0200 |
| commit | e9b992d035b58209d66115bd7d964741dd31d592 (patch) | |
| tree | 6943fb7749c7930b1fde69fba8198d80a227f931 /libavfilter/video.h | |
| parent | ebc8d974817fe456a0afe6867fdeb22c761fb04f (diff) | |
lavfi: add error handling to draw_slice().
Diffstat (limited to 'libavfilter/video.h')
| -rw-r--r-- | libavfilter/video.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavfilter/video.h b/libavfilter/video.h index 3edf47addc..893960e7c1 100644 --- a/libavfilter/video.h +++ b/libavfilter/video.h @@ -40,7 +40,7 @@ AVFilterBufferRef *ff_get_video_buffer(AVFilterLink *link, int perms, int w, int h); int ff_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref); -void ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir); +int ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir); void ff_null_end_frame(AVFilterLink *link); /** @@ -78,7 +78,9 @@ void ff_end_frame(AVFilterLink *link); * from the top slice to the bottom slice if the value is 1, * from the bottom slice to the top slice if the value is -1, * for other values the behavior of the function is undefined. + * + * @return >= 0 on success, a negative AVERROR on error. */ -void ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir); +int ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir); #endif /* AVFILTER_VIDEO_H */ |