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Thread: poor playback quality with *.webm

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  1. #1
    Join Date
    Jan 2011
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    267

    poor playback quality with *.webm

    I am experimenting with *.webm videos. I've created several *.webm videos using different bit rates and in all cases the playback quality in MythTV FE is poor - highly pixelated. However, when viewing the same videos using VLC player, these videos appear much better (some slight/occasional digital artifacts are apparent but not enough to ruin the viewing experience).

    I'll admit that my settings to create *.webm are not yet optimized using avconv, but again, VLC plays the videos I've created just fine.

    Why does the playback quality of *.webm depend on the player?
    Why are there noticeable differences among players?
    Why is MythTV's player so different?

  2. #2
    Join Date
    Mar 2007
    Location
    Christchurch, NZ
    Beans
    3,239

    Re: poor playback quality with *.webm

    Quote Originally Posted by nhtrader View Post
    I am experimenting with *.webm videos. I've created several *.webm videos using different bit rates and in all cases the playback quality in MythTV FE is poor - highly pixelated. However, when viewing the same videos using VLC player, these videos appear much better (some slight/occasional digital artifacts are apparent but not enough to ruin the viewing experience).

    I'll admit that my settings to create *.webm are not yet optimized using avconv, but again, VLC plays the videos I've created just fine.

    Why does the playback quality of *.webm depend on the player?
    Why are there noticeable differences among players?
    Why is MythTV's player so different?
    To get the Internal player improved you need to create a ticket in trac and make a sample of the offending video available to the developers.

    EDIT: http://code.mythtv.org/trac/wiki/TicketHowTo

    As to the difference between players, well I am not familiar with the code, but you can of course look for yourself
    Last edited by nickrout; October 14th, 2012 at 08:06 PM.

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