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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2008-12-07 16:30:08 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2008-12-07 16:30:08 +0000 |
| commit | 0dfcc368188d9c8ffba79f2165521a43cde62ea0 (patch) | |
| tree | 015ee27cd3fb81c3394a139eb070433680a964ab /libavcodec | |
| parent | 2014b51caee15069ae50cf4151f694ffadb4b7ba (diff) | |
| download | ffmpeg-0dfcc368188d9c8ffba79f2165521a43cde62ea0.tar.gz | |
Do not attempt to decode RV30/40 B-frames without anchors.
This fixes issue 747.
Originally committed as revision 16031 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/rv34.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index 463594320c..6cf5869ab1 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -1406,6 +1406,8 @@ int ff_rv34_decode_frame(AVCodecContext *avctx, }else r->si.end = si.start; } + if(!i && si.type == FF_B_TYPE && (!s->last_picture_ptr || !s->last_picture_ptr->data[0])) + return -1; last = rv34_decode_slice(r, r->si.end, buf + offset, size); s->mb_num_left = r->s.mb_x + r->s.mb_y*r->s.mb_width - r->si.start; if(last) |