diff options
| -rw-r--r-- | libavfilter/vf_vflip.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c index 6fd5d863a3..11129b26d7 100644 --- a/libavfilter/vf_vflip.c +++ b/libavfilter/vf_vflip.c @@ -56,7 +56,7 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms, int vsub = i == 1 || i == 2 ? flip->vsub : 0; if (picref->data[i]) { - picref->data[i] += ((h >> vsub)-1) * picref->linesize[i]; + picref->data[i] += (((h + (1<<vsub)-1) >> vsub)-1) * picref->linesize[i]; picref->linesize[i] = -picref->linesize[i]; } } @@ -74,7 +74,7 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref) int vsub = i == 1 || i == 2 ? flip->vsub : 0; if (outpicref->data[i]) { - outpicref->data[i] += ((link->h >> vsub)-1) * outpicref->linesize[i]; + outpicref->data[i] += (((link->h + (1<<vsub)-1)>> vsub)-1) * outpicref->linesize[i]; outpicref->linesize[i] = -outpicref->linesize[i]; } } |