From 2471b22023756df145d24f9dcb00a56eaa121859 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 15 Mar 2025 00:52:30 +0100 Subject: [PATCH] avcodec/ffv1dec: Fix a YUVA issue with remaping Untested Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 085dc5abe8..aeaf6a797b 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -364,7 +364,8 @@ static int decode_slice(AVCodecContext *c, void *arg) decode_plane(f, sc, &gb, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 2, 1, ac); } if (f->transparency) - decode_plane(f, sc, &gb, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], (f->version >= 4 && !f->chroma_planes) ? 1 : 2, 2, 1, ac); + decode_plane(f, sc, &gb, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], (f->version >= 4 && !f->chroma_planes) ? 1 : 2, + (f->version >= 4 && !f->chroma_planes) ? 1 : 3, 1, ac); } else if (f->colorspace == 0) { decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 0, 2, ac); decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] + (ps>>1), width, height, p->linesize[0], 1, 1, 2, ac);