diff options
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 */ |