[libav-bugs] [Bug 654] New: avi container/bitrate/settings problem

bugzilla at libav.org bugzilla at libav.org
Sun Mar 16 15:29:37 CET 2014


http://bugzilla.libav.org/show_bug.cgi?id=654

           Summary: avi container/bitrate/settings problem
           Product: Libav
           Version: 9
          Platform: X86
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: Normal
         Component: utilities
        AssignedTo: bugzilla at libav.org
        ReportedBy: axel.scheepers at xs4all.nl


I use avconv on debian jessie:
avconv version 9.11-6:9.11-3, Copyright (c) 2000-2013 the Libav developers
  built on Mar  5 2014 03:07:06 with gcc 4.8 (Debian 4.8.2-16)

When encoding to xvid, using the avi container is broken i think. When i use
this command to encode to a mp4 everything is fine:
avconv -y -i in.mp4 -threads auto -vcodec mpeg4 -acodec libmp3lame -mbd rd
-flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300 -s 512x214 -aspect 2.4 -ab
96k -vb 437500 -bf 1 -pass 1 -an out.mp4

^Cframe=  948 fps= 66 q=2.0 Lsize=    2030kB time=39.58 bitrate= 420.2kbits/s   


but when i change out.mp4 to out.avi the bitrate is way to high and the video
looks very bad.
^Cframe=  687 fps= 68 q=38.8 Lsize=   16269kB time=28.65 bitrate=4651.2kbits/s

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