Only for the last slice of the first field is the last line of the slice
equal to the height of the field.
Signed-off-by: Jerome Borsboom <jerome.borsb...@carpalis.nl>
---
libavcodec/vc1dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 750f4dff1c..fdbc852ec2 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -1082,7 +1082,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void
*data,
av_log(v->s.avctx, AV_LOG_ERROR, "first field slice count
too large\n");
continue;
}
- s->end_mb_y = (i <= n_slices1 + 1) ? mb_height :
FFMIN(mb_height, slices[i].mby_start % mb_height);
+ s->end_mb_y = (i == n_slices1 + 1) ? mb_height :
FFMIN(mb_height, slices[i].mby_start % mb_height);
}
if (s->end_mb_y <= s->start_mb_y) {
av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n",
s->end_mb_y, s->start_mb_y);
--
2.13.6
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