[libav-bugs] [Bug 845] New: '-fflags +bitexact' prevents adding metadata to mp4 files

bugzilla at aruru.libav.org bugzilla at aruru.libav.org
Wed Apr 15 23:30:19 CEST 2015


https://bugzilla.libav.org/show_bug.cgi?id=845

            Bug ID: 845
           Summary: '-fflags +bitexact' prevents adding metadata to mp4
                    files
           Product: Libav
           Version: 11
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: ---
         Component: libavformat
          Assignee: bugzilla at libav.org
          Reporter: nikoli at gmx.us

$ avconv 
avconv version 11.3, Copyright (c) 2000-2014 the Libav developers
  built on Apr 15 2015 17:07:58 with gcc 4.8.4 (Gentoo Hardened 4.8.4 p1.4,
pie-0.6.1)


$ avconv -i /tmp/sample.mkv -c copy -fflags +bitexact -metadata 'comment=123'
t.mp4 &>/dev/null;mediainfo -f t.*|grep 123;rm t.*

$ avconv -i /tmp/sample.mkv -c copy -fflags +bitexact -metadata 'comment=123'
t.mkv &>/dev/null;mediainfo -f t.*|grep 123;rm t.*
COMMENT                                  : 123

$ avconv -i /tmp/sample.mkv -c copy -metadata 'comment=123' t.mp4
&>/dev/null;mediainfo -f t.*|grep 123;rm t.*
Comment                                  : 123

$ avconv -i /tmp/sample.mkv -c copy -metadata 'comment=123' t.mkv
&>/dev/null;mediainfo -f t.*|grep 123;rm t.*
COMMENT                                  : 123

Asked ffmpeg user to reproduce, he told that ffmpeg works fine.

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