Fail on VC-1 interlaced streams

Originally committed as revision 7693 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago · 5cca6bc3cd
parent 9d57fd9be5
commit 5cca6bc3cd
1 changed files with 4 additions and 0 deletions
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@ -1268,6 +1268,10 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
    v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1;
    v->broadcast = get_bits1(gb);
    v->interlace = get_bits1(gb);
+    if(v->interlace){
+        av_log(v->s.avctx, AV_LOG_ERROR, "Interlaced mode not supported (yet)\n");
+        return -1;
+    }
    v->tfcntrflag = get_bits1(gb);
    v->finterpflag = get_bits1(gb);
    get_bits1(gb); // reserved