[libav-bugs] [Bug 293] New: audio misdetected as data in mpegts

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Tue May 22 02:20:43 CEST 2012


http://bugzilla.libav.org/show_bug.cgi?id=293

           Summary: audio misdetected as data in mpegts
           Product: Libav
           Version: git HEAD
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: libavformat
        AssignedTo: bugzilla at libav.org
        ReportedBy: lu_zero at gentoo.org


Created attachment 316
  --> http://bugzilla.libav.org/attachment.cgi?id=316
audio considered data

>From libav-tools

-------- Original Message --------
Subject: [libav-tools] Input format detection
Date: Sat, 19 May 2012 21:59:32 +0300
From: Alex Buloichik <alex73mail at gmail.com>
Reply-To: Usage of the libav applications <libav-tools at libav.org>
To: libav-tools at libav.org

Hi, All !

I'm using avconv 0.8.1-4:0.8.1-0ubuntu1.

Seems to it detects audio input format wrong. My file contains audio
in mpeg2 format, but avconv detects it as "Stream #0.1[0xca]: Data:
[0][0][0][0] / 0x000".

ffmpeg, mediainfo, PotPlayer detect audio stream correctly.

You can see part of my file (1mb) on
----

Reproduced on current master HEAD

avconv -i /tmp/test.ts 
avconv version v0.8-1578-gc02efac, Copyright (c) 2000-2012 the Libav developers
  built on May  3 2012 17:01:14 with gcc 4.6.2
[mpeg2video @ 0x6f2660] mpeg_decode_postinit() failure
    Last message repeated 6 times
[mpegts @ 0x6ee160] PES packet size mismatch
[mpeg2video @ 0x6f2660] mpeg_decode_postinit() failure
    Last message repeated 3 times
[mpegts @ 0x6ee160] PES packet size mismatch
Input #0, mpegts, from '/tmp/test.ts':
  Duration: 00:00:02.75, start: 81325.653544, bitrate: 2969 kb/s
    Stream #0.0[0xc9]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 16:15
DAR 4:3], 10000 kb/s, 29.59 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0.1[0xca]: Data: [0][0][0][0] / 0x0000
At least one output file must be specified

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