[FFmpeg-trac] #3451(swscale:new): sws_scale crashes in high resolutions when using mmx optimization

FFmpeg trac at avcodec.org
Wed Mar 12 22:09:16 CET 2014


#3451: sws_scale crashes in high resolutions when using mmx optimization
-------------------------------------+-----------------------------------
             Reporter:  miro82       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  swscale
              Version:  unspecified  |               Resolution:
             Keywords:  crash        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------

Comment (by miro82):

 And my ffmpeg version & configuration is:

 {{{
 ffmpeg version N-61143-g64e4bd7 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar 12 2014 21:25:49 with Apple LLVM version 5.1
 (clang-503.0.38) (based on LLVM 3.4svn)
   configuration: --disable-static --enable-shared --disable-yasm
 --disable-iconv --enable-libx265 --enable-libx264 --enable-gpl
   libavutil      52. 66.101 / 52. 66.101
   libavcodec     55. 52.102 / 55. 52.102
   libavformat    55. 33.101 / 55. 33.101
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 Hyper fast Audio and Video encoder
 }}}

 If I configure ffmpeg with --disable-mmx it doesn't crash anymore.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3451#comment:3>
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