avfilter/avf_ahistogram: fix off by one in slide mode

Paul B Mahol committed 4 years ago

Commit 7ae2ded1 parent df2edfe1 file · +1 −1Browse files

Unified · Split

libavfilter/avf_ahistogram.c+1−1

@@ -400,7 +400,7 @@ static int filter_frame(AVFilterLink inlink, AVFrame in) · 399 unmodified lines
400	400
401	401	if (s->slide == SCROLL) {
402	402	for (p = 0; p < 4; p++) {
403		− for (y = s->h; y >= H + 1; y--) {
	403	+ for (y = s->h - 1; y >= H + 1; y--) {
404	404	memmove(s->out->data[p] + (y ) * s->out->linesize[p],
405	405	s->out->data[p] + (y-1) * s->out->linesize[p], w);
406	406	}