warn on interlaced streams

Originally committed as revision 5337 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago · 89ddb72aa1
parent 3a1fda0a37
commit 89ddb72aa1
1 changed files with 2 additions and 0 deletions
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@ -7283,6 +7283,8 @@ static inline int decode_seq_parameter_set(H264Context *h){
        return -1;

    sps->frame_mbs_only_flag= get_bits1(&s->gb);
+    if(!sps->frame_mbs_only_flag)
+        av_log(h->s.avctx, AV_LOG_ERROR, "interlacing is not supported, picture will probably be garbage\n");
    if(!sps->frame_mbs_only_flag)
        sps->mb_aff= get_bits1(&s->gb);
    else