[libav-bugs] [Bug 529] New: Large resources consumption on big -itoffset values

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Thu Jun 13 11:21:23 CEST 2013


https://bugzilla.libav.org/show_bug.cgi?id=529

           Summary: Large resources consumption on big -itoffset values
           Product: Libav
           Version: 9
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: libavfilter
        AssignedTo: bugzilla at libav.org
        ReportedBy: zerthurd at gmail.com


To workaround #528 I use such commandline:

avconv -loglevel debug -y -i main.mp3 -itsoffset 1357 -i
n-00004-ts-1362777-s-10014579.mp3 -itsoffset 3408 -i
n-00009-ts-3413069-s-3169.mp3 -itsoffset 3698 -i
n-00010-ts-3703894-s-10017081.mp3 -filter_complex
'[0:a]asyncts=first_pts=0[sync0];[1:a]asyncts=first_pts=0[sync1];[2:a]asyncts=first_pts=0[sync2];[3:a]asyncts=first_pts=0[sync3];[sync0][sync1][sync2][sync3]'amix=inputs=4:duration=first:dropout_transition=3
outs.mp3

and my computer became not responsible to any actions, so I need to hardly
reset. When I set -itsoffset value to 10-50, mixing goes well.

elenril in #libav-dev said this is padding allocation issue in asyncts filter.

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