[libav-bugs] [Bug 226] New: Wrongly muxed AAC streams make libavcodec fail decoding the stream

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Mon Feb 13 10:24:27 CET 2012


http://bugzilla.libav.org/show_bug.cgi?id=226

           Summary: Wrongly muxed AAC streams make libavcodec fail
                    decoding the stream
           Product: Libav
           Version: git HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: libavcodec
        AssignedTo: bugzilla at libav.org
        ReportedBy: jeebjp at gmail.com


Patch: http://patches.libav.org/patch/10517/
(posted this on the ML back in October 2011)

> Fixes such samples as
> http://www.cccp-project.net/beta/test_files/gg_moshidora01_sample.mkv

Of course, you can have for example mono, dual mono, stereo or 5.1 in ARIB's
ISDB-T/S, but seems like most people fail with muxing of streams that begin
with mono as this is the most popular non-stereo audio format in ISDB-T
airings.

(Originally caused by trying to cut a demuxed AAC stream with mkvmerge where
the first headers are mono, and mkvmerge will keep that)

This particular sample works with faad2, as do most of the similar samples.
There are also samples that break with faad2 as well, but which are fixed with
this patch.

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