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-rw-r--r--libavcodec/mpeg12.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 59ed278395..c16adaf606 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1970,6 +1970,11 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
(width % 2) != 0 || (height % 2) != 0)
return -1;
s->aspect_ratio_info= get_bits(&s->gb, 4);
+ if (s->aspect_ratio_info == 0) {
+ av_log(avctx, AV_LOG_ERROR, "aspect ratio has forbidden 0 value\n");
+ if (avctx->error_resilience >= FF_ER_COMPLIANT)
+ return -1;
+ }
s->frame_rate_index = get_bits(&s->gb, 4);
if (s->frame_rate_index == 0 || s->frame_rate_index > 13)
return -1;