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Allow/force to use H.264 for YouTube videos on external websites / iframes

  • Hi, I thought this might be helpful for some others, who want to use the H.264 codec for YT videos on external websites (embedded videos/iframes), and wonder why it's not working.

    So, when you use an extension, that forces YT to use H.264 (e.g. h264ify), it looks to work on youtube.com, but in most cases doesn't work on the external websites, like for example: theverge.com, spaceflightnow.com or vk.com.

    The solution for this is as follows: go to opera:settings/content/cookies, and add [*.]youtube.com under "Clear on exit". That's it, enjoy ;-)

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