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General Chat Thread, Video Formats help in General; Hi All. We are reviewing our video formats for moodle, with the aim to encode TV recordings and make them ...
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    Video Formats help

    Hi All.

    We are reviewing our video formats for moodle, with the aim to encode TV recordings and make them directly available on Moodle.

    Ideally we want want to be rid of external codec like flash and play directly in HTML5, so we started looking at webm.

    From what I gather webm plays naively in Chrome,Opera and Firefox - but only works in IE with a plugin (standards based, so no surprise here) it. It seems to work on Androids, Windows and Linux but not ipad. I can't seem to find anything that works across the board...


    Could you guys test this for me please:
    http://video.webmfiles.org/elephants-dream.webm


    Does it play on your phone/browser? did you need any plugins or does it run natively?
    I'm particularly interested in it working on ipads...

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    SYNACK's Avatar
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    Re: Video Formats help

    Mpeg4? Sure it is not 'free' but everything modern supports h264 and usually in hardware. Web is still expencive computationally and power wise so killing students battery life and the environment.

    Webm also relies on googles limited benevolence so it is not up front as to whether there will be issues in future, whether they decide to defend it against patents or not is up for debate still and it still has the computational drawbacks.

    Personally, do a YouTube. Keep both, h264 for efficiency, compatibility and, well everything then webm in case they mpeg group decide to become a problem.

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    SYNACK's Avatar
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    Re: Video Formats help

    Plays on nexus 7 unsurprisingly as it is there pet format, does not work on Windows Phone 7

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    CyberNerd (25th January 2013)

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    I don't think it is a specific google format - they bought it and released it as open source on a "worldwide, non-exclusive, no-charge, royalty-free patent license" - so anyone can use it or change it.

    So how many browsers will support h.264/mp4? All the ones that don't support webm? I'm leaning towards both h.264 and webm which might be a pain as its double the amount of space!

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    Netman's Avatar
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    Works in Chrome and Firefox on Mac 10.8.2 Safari auto downloads it and when clicked it opens in FF and plays. IE9 on Win7 auto downloads and auto plays in VLC. Iphone 4S 'Safari cannot download this file'...

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    CyberNerd (25th January 2013)

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    CyberNerd (25th January 2013), Iosoma (27th February 2013)

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    Thanks. Thats useful.

    So about 50/50 means I'll have to support both.

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    ok. So I now have the export from MythTV encoding to both H.264/MP4 and VP8/webm

    Seems to work on everything except for IE9 - which wants to download it into mediaplayer. Is there any format that IE can play? and will this work for windows mobile phone users - I don't really want to marginalise them - being a linux user >10yrs I know how it can feel being in a minority.

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    FLV? thats what most youtube clips are played as according to Firebug?

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    Quote Originally Posted by HaleStorm View Post
    FLV? thats what most youtube clips are played as according to Firebug?
    Trying to find the best format that is naively supported by the browser - I''m trying to avoid plugins, FLV only works on windows and mac nowadays. IE seems to be a bit of a pig as usual, but I don't know how that will pan out for w8 phones.

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    I think the norm is to do it in 3 formats:

    Video - Dive Into HTML5

    This article explains it really well, tis a bit long but mostly goes through using handbrake or other converting software to do the conversion for you into the 3 formats required to give 100% (haha well ok 100% ish) browser compatability.

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    @CyberNerd. Here's another website you will find useful...

    The State Of HTML5 Video

    With Mozilla caving in and supporting H.264 in Firefox and Opera creating a WebKit-based browser, I think you could probably get away with just MP4s.



    Also, do you plan on using something like HTML5Media, VideoJS, SublimeVideo or MediaElement to handle falling back to a different video format?
    Last edited by Arthur; 28th January 2013 at 08:27 PM.

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    Quote Originally Posted by Arthur View Post
    Also, do you plan on using something like HTML5Media, VideoJS, SublimeVideo or MediaElement to handle falling back to a different video format?
    That's a good plan.

    Thing is - I don't seem to be able to get IE to play the MP4 at all - it just invokes a media player - I'll have another look at my command line tomorrow.

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    Quote Originally Posted by CyberNerd View Post
    Seems to work on everything except for IE9 - which wants to download it into mediaplayer.
    Is the MIME type set correctly on your web server?

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    Quote Originally Posted by Arthur View Post
    Is the MIME type set correctly on your web server?
    Good thinking. Probably not - it's a mythbuntu box used for testing. I'll run a test on the moodle server tomorrow.

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