diff options
| -rw-r--r-- | libavcodec/ituh263dec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index c37f872..c1005b0 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -1218,6 +1218,11 @@ int ff_h263_decode_picture_header(MpegEncContext *s) if ((ret = av_image_check_size(s->width, s->height, 0, s)) < 0) return ret; + if (!(s->avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) { + if ((s->width * s->height / 256 / 8) > get_bits_left(&s->gb)) + return AVERROR_INVALIDDATA; + } + s->mb_width = (s->width + 15) / 16; s->mb_height = (s->height + 15) / 16; s->mb_num = s->mb_width * s->mb_height; |
