[FFmpeg-trac] #1844(undetermined:new): Crash when trying to join two video files

FFmpeg trac at avcodec.org
Thu Oct 25 17:23:31 CEST 2012

#1844: Crash when trying to join two video files
             Reporter:  thegeek      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by thegeek):

 Replying to [comment:3 cehoyos]:
 > Please add the missing parts of the gdb session (disassembly, register
 dump), see https://ffmpeg.org/bugreports.html - consider using a static
 build (although it does not really matter).
 > Do you know if the Zeranoe build actually contains the AVX-optimized
 function ff_mix_2_1_a_float_avx?
 I just checked and it does. I've also seen this crash with the sse2
 version of the function.

 I'm currently investigating something curious I've discovered. It seems my
 crosschain compilex libvpx with pthreads, but I use w32threads in ffmpeg.
 Will using both thread libraries be OK?
 I also noticed that Zeranoe builds ffmpeg with pthreads, is this now a
 "good" solution?

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1844#comment:4>
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