diff options
Diffstat (limited to 'libavcodec/vp6.c')
| -rw-r--r-- | libavcodec/vp6.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/vp6.c b/libavcodec/vp6.c index d8fc0efb3a..6ffde072f7 100644 --- a/libavcodec/vp6.c +++ b/libavcodec/vp6.c @@ -75,7 +75,8 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, /* buf[4] is number of displayed macroblock rows */ /* buf[5] is number of displayed macroblock cols */ - if (16*cols != s->avctx->coded_width || + if (!s->macroblocks || /* first frame */ + 16*cols != s->avctx->coded_width || 16*rows != s->avctx->coded_height) { avcodec_set_dimensions(s->avctx, 16*cols, 16*rows); if (s->avctx->extradata_size == 1) { |