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-rw-r--r--libavformat/utils.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 60242056f1..7f90a9a5e0 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2438,6 +2438,9 @@ static int has_codec_parameters(AVStream *st, const char **errmsg_ptr)
FAIL("unspecified size");
if (st->info->found_decoder >= 0 && avctx->pix_fmt == AV_PIX_FMT_NONE)
FAIL("unspecified pixel format");
+ if (st->codec->codec_id == AV_CODEC_ID_RV30 || st->codec->codec_id == AV_CODEC_ID_RV40)
+ if (!st->sample_aspect_ratio.num && !st->codec->sample_aspect_ratio.num && !st->codec_info_nb_frames)
+ FAIL("no frame in rv30/40 and no sar");
break;
case AVMEDIA_TYPE_SUBTITLE:
if (avctx->codec_id == AV_CODEC_ID_HDMV_PGS_SUBTITLE && !avctx->width)