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Thread: MP3 seek failure

  1. #1
    Join Date
    Apr 2008

    MP3 seek failure


    I have been working through the thread but as it's been six months thought it better to start afresh.

    I've hit a problem with my encoder, that mp3 files made with it (ffmpeg --libmp3lame) do not allow seeking. It's definitely an encoder fault - the problem is replicated with various players, and with the players files encoded elsewhere work. I have tried all of the solutions on the thread above.

    I have successfully encoded the mp3s using a different machine, but it's where my web hosting is and is not really a convenient solution.

    The encoder there has highlighted some differences:
    Input #0, mp3, from 'infile.mp3':
        encoder         : Lavf53.21.0
      Duration: 01:01:57.69, start: 0.000000, bitrate: 192 kb/s
        Stream #0.0: Audio: mp3, 44100 Hz, stereo, s16, 192 kb/s
    Output #0, mp3, to 'tmp.mp3':
        TSSE            : Lavf53.2.0
        Stream #0.0: Audio: libmp3lame, 44100 Hz, stereo, s16, 192 kb/s
    So I guess the problem is with Lavf53. I'd like to roll back the version on my local machine to Lavf53.2.0, and see if that solves the problem, but a quick Google with that as a keyword has led to a number of bug reports and I cannot find how I can roll back.

    So I have two questions:
    1) How can I change the lavf53 version?
    2) Is the encoder / TSSE difference relevant?

    Thank you for your assistance.

  2. #2
    Join Date
    Dec 2006

    Re: MP3 seek failure

    Perhaps update to latest git FFmpeg, this carries 54. 61.104...
    You think that's air you're breathing now?

  3. #3
    Join Date
    Sep 2006

    Re: MP3 seek failure

    It makes more sense to use something newer instead of older due to the high development activity in FFmpeg which gives a good chance of your bug being fixed. The only time you will want to use an older version for general usage is if you found a regression in the latest code. You can try a static build via the FFmpeg download page for a quick test without needing to compile.

  4. #4
    Join Date
    Apr 2008

    Re: MP3 seek failure

    Thank you. I installed the Jon Severinsson PPA and this has done the trick. Thank you for pointing me in the right direction.


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