diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c index 201b22455c..89ea16a57f 100644 --- a/libavcodec/h264_slice.c +++ b/libavcodec/h264_slice.c @@ -1911,8 +1911,13 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl, sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1); } - if (nal->type == H264_NAL_IDR_SLICE) - sl->idr_pic_id = get_ue_golomb_long(&sl->gb); + if (nal->type == H264_NAL_IDR_SLICE) { + unsigned idr_pic_id = get_ue_golomb_long(&sl->gb); + if (idr_pic_id < 65536) { + sl->idr_pic_id = idr_pic_id; + } else + av_log(h->avctx, AV_LOG_WARNING, "idr_pic_id is invalid\n"); + } sl->poc_lsb = 0; sl->delta_poc_bottom = 0;