diff options
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/vf_delogo.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c index ba35cf5c8d..e882dd523a 100644 --- a/libavfilter/vf_delogo.c +++ b/libavfilter/vf_delogo.c @@ -246,8 +246,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) FF_CEIL_RSHIFT(inlink->w, hsub), FF_CEIL_RSHIFT(inlink->h, vsub), sar, s->x>>hsub, s->y>>vsub, - FF_CEIL_RSHIFT(s->w, hsub), - FF_CEIL_RSHIFT(s->h, vsub), + /* Up and left borders were rounded down, inject lost bits + * into width and height to avoid error accumulation */ + FF_CEIL_RSHIFT(s->w + (s->x & ((1<<hsub)-1)), hsub), + FF_CEIL_RSHIFT(s->h + (s->y & ((1<<vsub)-1)), vsub), s->band>>FFMIN(hsub, vsub), s->show, direct); } |