[FFmpeg-trac] #1063(undetermined:closed): invalid reads with very high resolution video

FFmpeg trac at avcodec.org
Sun May 13 11:23:22 CEST 2012


#1063: invalid reads with very high resolution video
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:  fixed
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by michael):

 Replying to [comment:7 ami_stuff]:
 > Thanks, but it looks like a check that the resoultion is multiply of 4
 should be added as well.

 added, thanks


 >
 > In addition to the multiples of CIF, H.263+ permits
 > any frame size from 4x4 to 2048x1152 pixels in
 > increments of 4.
 >
 > ffmpeg -i 599.png -s 162x160 -vcodec h263p out.avi
 > ffmpeg -i out.avi out.bmp
 >
 > mpeg1 should probably support resolutions up to 4095x4095

 yes, will be fixed in my next push together with mpeg2

 thanks

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1063#comment:8>
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