Fixes visual corruptions on two macroblocks from two frames from
https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4447/A003C003_SR_422_23.98p.mxf
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mpegvideo.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index e9f2fb212a..47603c2991 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1648,8 +1648,8 @@ void mpv_reconstruct_mb_internal(MpegEncContext *s,
int16_t block[12][64],
int vsub = i ? s->chroma_y_shift : 0;
int hsub = i ? s->chroma_x_shift : 0;
dest_pcm[i] += (linesize[i] / 2) * ((16 >> vsub) - 1);
- for(h = (16 >> vsub)-1; h >= 1; h--){
- for(w = (16 >> hsub)-1; w >= 1; w--)
+ for (h = (16 >> vsub) - 1; h >= 0; h--) {
+ for (w = (16 >> hsub) - 1; w >= 0; w--)
dest_pcm[i][w] =
(*s->dpcm_macroblock)[i][idx++];
dest_pcm[i] -= linesize[i] / 2;
}
--
2.32.0
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