[libav-bugs] [Bug 415] New: E-AC3 decoder producing incorrect output

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Sat Jan 5 10:32:26 CET 2013


https://bugzilla.libav.org/show_bug.cgi?id=415

           Summary: E-AC3 decoder producing incorrect output
           Product: Libav
           Version: git HEAD
          Platform: All
        OS/Version: Windows
            Status: NEW
          Severity: critical
          Priority: Normal
         Component: libavcodec
        AssignedTo: bugzilla at libav.org
        ReportedBy: madshi at gmail.com


With the following E-AC3 file:

http://madshi.net/libavEac3Bug.rar

The libav E-AC3 decoder produces incorrect results at runtime ~ 7313ms. This
Audacity screenshot shows the original WAV file (used to encode the E-AC3
track), the Nero 7 E-AC3 decoder output and the libav E-AC3 decoder output:

http://madshi.net/libavEac3Bug.png

You can clearly see that the libav decoder produces incorrect results. Looks
like a clear bug to me. The problem only seems to occur in the *right* channel.
Left channel seems to be ok.

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