[FFmpeg-trac] #7844(ffmpeg:new): 32-bit FFMPEG - Libaom crashes

FFmpeg trac at avcodec.org
Tue Apr 16 07:09:18 EEST 2019


#7844: 32-bit FFMPEG - Libaom crashes
-------------------------------------+----------------------------------
             Reporter:  Lenin_Lime   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  4.1
             Keywords:  libaom, av1  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+----------------------------------
 So this bug only seems to happen with 32-bit FFMPEG when trying to encode
 into AV1 with Libaom.  FFMPEG simply crashes after trying to encode the
 first frame, every time.  The 32-bit FFMPEG 4.1.0 version is the last
 version that has not crashed on me.  4.1.1 and all the recent nightlys
 crash.  Using the same commands in the 64-bit versions however work just
 fine without issue, even on all the recent 64-bit nightlys.

 Sample commands that crash the 32-bit.

 ffmpeg -i "testbars_libaom_crash.mp4" -c:v libaom-av1 -cpu-used 4 -crf 30
 -b:v 0 -strict -2 testbars_libaom_crash.mkv

 I'm on Windows 7 64bit, AMD CPU.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7844>
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