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  • Do you know if that will stop someday?

    Yeo, when the issue with html5 videos is fixed.

    And the issue is on YouTube's side, don't forget that.

  • Same Prob with 12.16 (since about 3 Months).
    I used to download the flv via flash. There was a .tmp in the cache folder / sesn or any other. That could be played on Mediaplayer.

    Now via Html5 (turning off plugins) i am able to watch Youtube (but not all). But the .tmp file now can NOT be played on MP. What format is a Html5 Video and what Player should I use?

  • HTML5 videos can be in different formats, for example MP4 encoded with H.264 or WebM encoded with VP8 or VP9 + OGG Theora Vorbis audio...

    Windows Media Player and many other players should be able to play both using the DirectShow or Media Foundation component installed in your system (included by default in newest Windows systems). Or you can download a player with built-in codecs like VLC.

    The problem is your issue doesn't seem to be related to that (playback support), rather it's actually YouTube that recently started to split their videos in pieces prior to delivering them via streaming so what you're getting from the cache is one of its pieces (without the other pieces it's broken). You'll have to find another way to download videos from YouTube (using updated software that deal with or circumvent those pieces), you can get the Freemake Video Converter or Downloader (both download from YouTube) or one of the many other options.

  • Thank you. Yes the file header is OCMF, and it contains words like webmB and VORBIS. Anyway when Opera is able to play it, it must be possible to play it offline (?)

  • it must be possible to play it offline (?)

    Yes, only if you manage to download the whole file or merge all the pieces somehow...

  • I found extension in Chrome web store. It slows down a bit YouTube but it is awesome!

    HTML5 on Youtube

  • I use Keepvid.com if I want to download a video from Youtube. Either because my internet is lagging or if I need to take it to another computer. Like voessli, I used to be able to grab the temp file after loading the video, but now that it's broken up for streaming, it's nearly impossible to do that.

  • Opera better start supporting H264, even Firefox is doing that nowadays. Now only Opera and IE8 can't play that format, and when IE8 finally retires...
    As for Youtube, they were blocking Opera so now Opera forces the Flash player.

    what? IE8? why you dont ask opera 5 support H264

  • I use Keepvid.com if I want to download a video from Youtube. Either because my internet is lagging or if I need to take it to another computer. Like voessli, I used to be able to grab the temp file after loading the video, but now that it's broken up for streaming, it's nearly impossible to do that.

    @jito463 Use the extension I post here and you will be able to download videos

  • Do you know if that will stop someday?

    Yeo, when the issue with html5 videos is fixed.
    And the issue is on YouTube's side, don't forget that.

    What is that issue exactly?

  • What is that issue exactly?
    http://blogs.opera.com/desktop/2013/12/youtube-is-back/

    The issue is YouTube isn't serving the right video codec for Opera. (Or "wasn't" in past, 'cause I haven't disabled browser.js to test recently.)

  • if you use this extension the HTML5 will work, the extension is from chrome, Do not forget to get download chrome extension. maybe it is already fixed.

  • I forgot that I browse with Flash disabled from opera:plugins! So, I can watch YouTube videos in HTML5 without problems.
    I've done some tests now and the videos are working and showing many resolutions available in WebM. I'll contact Opera to ask if they can remove the browser.js patch.

  • Thanks 🙂

  • I can not watch HTML5 videos on Opera, example in this link.

  • This is a H.264 (MP4) video. Hint: if you right-click the player, select inspect element and expand the highlighted element you can check that with ease.

  • Plays in Google Chrome, and in Firefox using the DivX Web Player.
    Won't play in Opera 12.17 or 24 though.
    The player appears but is inactive.
    😞

  • @davehawley First, check the first reply to this topic. The reason why Opera does not support MP4 up until its latest stable versions is well-known.

    I'm not sure about the DivX Web Player. Is it being used at all by Chrome and Firefox? They could be playing it natively without using the plug-in you mentioned as both support MP4 in some form.

  • As far as I could see Google Chrome 35 was playing the video internally, right clicking on it produced no menu entries about any plugin.
    If I right clicked on the same video in Firefox 29, a menu came up relating to the DivX Web Player plugin, but from what you say that could be a Firefox configuration issue.
    🙂

  • When I am watching videos on Youtube with HTML5, controls do not disaper after put fullscreen, but it disapers afterwards.