[FFmpeg-trac] #757(undetermined:new): ffplay h263: crash with lowres while seeking (regression)

[FFmpeg]

#757: ffplay h263: crash with lowres while seeking (regression)
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 to reproduce please run:

 ffplay -lowres 3 QT-H263.mov

 and seek a few times with the mouse

 {{{
 index 9ab52ef..6893a3a 100644

 --- a/libavcodec/mpegvideo.c
 +++ b/libavcodec/mpegvideo.c
 @@ -1134,7 +1134,7 @@ int MPV_frame_start(MpegEncContext *s,
 AVCodecContext *avctx)
              if(ff_alloc_picture(s, s->last_picture_ptr, 0) < 0)
                  return -1;

 -            if(s->codec_id == CODEC_ID_FLV1){
 +            if(s->codec_id == CODEC_ID_FLV1 || s->codec_id ==
 CODEC_ID_H263){
                  for(i=0; i<s->height; i++)
                      memset(s->last_picture_ptr->f.data[0] +
 s->last_picture_ptr->f.linesize[0]*i, 16, s->width);
              }
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/757>
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