Widevine content

Discussion in 'OnlineVideos' started by Ministerk, August 31, 2013.

  1. Ministerk
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    Ministerk Super User

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    Hi

    When I worked with the TV4Play Util I notice some of the videos on the tv4play.se site needed the widevine optimizer plugin, from google, to be installed. If I understand it correctly it's a DRM and dynamic adaptive streaming technology.

    When I try to play such a video Online videos shows picture for some 10-20 second then freezing. The content keeps downloading though.

    Does anyone else bumped into widevine on any other site? And is it possible to play this content with the online videos player? Is this something the mpurlsourcefilter could support?

    Not much usefull information from me, is it something I could do?

    To find the url to videos on TV4Play you use this url: http://prima.tv4play.se/api/mobil/asset/{id}/play (or http://premium.tv4play.se/api/mobil/asset/{id}/play) where {id} is the video id
    Eg:
    http://www.tv4play.se/program/broadchurch?video_id=2428521 (web page of the video)
    http://prima.tv4play.se/api/mobil/asset/2428521/play (metadata)
    http://wvm.tv4play.se/2013-08-27/pid4650248_2428521_T3MP4(2428521_W1WEB).wvm? (video)


     
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  3. georgius
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    georgius Retired Team Member

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    Can you make Fiddler dump of communication from web page? Be sure, that you clear cache before dump (to force your browser to download everything what is needed). Let it go for few fragments (cca 10 - 15) of video for better analysis.
     
  4. Ministerk
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    Ministerk Super User

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    I've made a quite big dump of this page: http://www.tv4play.se/program/elementary?video_id=2453200 . There's not much of body content that comes from the server, some kind of tunneling between player/plugin <-> server maybe.

    I haven't got premium any more so there's some ads to in the dump. The actual content play approximately between this line numbers:

    First site loading + ads
    ~145 - ~220 Content
    Ads
    ~340 - ~385 Content
    Ads
    Then I closed the browser

    Of course there could be other widevine media optimizer™ traffic while the ads where playing.

    You find the dump here: https://app.box.com/s/0wehnkguvzcj17151y8w
     
  5. Ministerk
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    Ministerk Super User

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  6. georgius
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    georgius Retired Team Member

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    Unfortunately, it's same technology as Adobe FlashAccess or MS PlayReady, so without any chance to decrypt stream.
     
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