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Code Issues Releases Activity

avfilter/avf_avectorscope: fix crash when using vflip filter

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This commit is contained in:
Paul B Mahol
2022-11-25 19:25:57 +01:00
parent f2ea508e16
commit 9c8b977c1e
1 changed files with 2 additions and 2 deletions
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4
libavfilter/avf_avectorscope.c
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@@ -117,7 +117,7 @@ AVFILTER_DEFINE_CLASS(avectorscope);
static void draw_dot(AudioVectorScopeContext *s, unsigned x, unsigned y) static void draw_dot(AudioVectorScopeContext *s, unsigned x, unsigned y)
{ {
const int linesize = s->outpicref->linesize[0]; const ptrdiff_t linesize = s->outpicref->linesize[0];
uint8_t *dst; uint8_t *dst;
if (s->zoom > 1) { if (s->zoom > 1) {
@@ -128,7 +128,7 @@ static void draw_dot(AudioVectorScopeContext *s, unsigned x, unsigned y)
x = FFMIN(x, s->w - 1); x = FFMIN(x, s->w - 1);
} }
dst = &s->outpicref->data[0][y * linesize + x * 4]; dst = s->outpicref->data[0] + y * linesize + x * 4;
dst[0] = FFMIN(dst[0] + s->contrast[0], 255); dst[0] = FFMIN(dst[0] + s->contrast[0], 255);
dst[1] = FFMIN(dst[1] + s->contrast[1], 255); dst[1] = FFMIN(dst[1] + s->contrast[1], 255);
dst[2] = FFMIN(dst[2] + s->contrast[2], 255); dst[2] = FFMIN(dst[2] + s->contrast[2], 255);