On Sun, Apr 26, 2015 at 11:23:53AM -0500, »Q« wrote: > On Sun, 26 Apr 2015 08:55:10 -0700 > walt <[email protected]> wrote:
> > On 04/26/2015 07:49 AM, Alan Mackenzie wrote: > > > Hello, Gentoo. > > > When I read a blog in Firefox 31.6.0, there are often You Tube film > > > clips embedded in it. When I attempt to view these, I am getting, > > > more and more frequently, the error message (from You Tube): > > > "Your browser does not currently recognize any of the video > > > formats available. Click <here> to visit our frequently asked > > > questions about HTML5 video." > > > Fair enough. The connection between the first and second sentences > > > is a bit vague, but I surmise from them that the video is available > > > in HTML5 format (whatever that is) and the link will instruct me on > > > setting it up. > > > Not a bit of it! That link, <https://www.youtube.com/html5>, says > > > this: > > > "Many YouTube videos will play using HTML5 in supported > > > browsers. You can request that the HTML5 player be used if your > > > browser doesn't use it by default." > > > "If you encounter any problems, right-click on the player and > > > choose "report playback issue", or let us know on the user support > > > forums. Your feedback will help us continue to improve the player." > > > , without telling me _how_ I can "request that the HTML5 player be > > > used". Exactly what "the player" is that I should "right-click on" > > > remains obscure. > > > I feel that I'm missing some crucial piece of information which is > > > obvious to everybody else. > > This is pretty clever (and a bit scary). On that page do you see a > > clickable button with the title "Request the HTML5 player"? If you > > don't see it, maybe you have NoScript or some other script/ad blocker > > enabled in Firefox? > > When I click on the "Request the HTML5 player" button, it changes > > color and the button is now labelled "Use the default player". Yes, I get this too, but there's no noticeable difference between when the button says "... default ..." and when it says "... HTML5 ...". > > I think it works by changing a Firefox setting in your prefs.js file, > > but I'm not positive because my prefs.js file is so big I'm not > > willing to spend the time to look through the whole thing (and that's > > the scary part). Anything could be going on in that prefs.js file > > and I wouldn't have a clue. <shudder> > It doesn't affect Fx settings -- it just sets a cookie. And I think > it only affects what happens when viewing youtube.com pages, not > youtube videos embedded in third-party pages. > The choice really between HTML5 and a Flash plugin, so maybe the button > doesn't show up if Flash isn't installed. It does. > If you're viewing an HTML5 video, right-clicking anywhere on the video > brings up the context menu with 'report playback issues', provided > Firefox's dom.event.contextmenu.enabled is set to 'true', which is the > default. > Alan, I think Firefox relies on gstreamer for at least some of its > HTML5 playback capability, so USE="-gstreamer" may be at the root of > the issue. On the YouTube HTML5 page, do you get a "What does this > browser support?" section? If so, what does it say? Of the six boxes there, I have ticks (?check marks?) on o - HTMLVideoElement o - WebM VP8 I have exclamation marks on all the others, namely o - H.264 o - Media Source Extensions o - MSE & H.264 o - MSE & WebM VP9 . It's frustrating that "HTML5" isn't mentioned in that list of six. I'll take your tip and try rebuilding with gstreamer enabled. Thanks! -- Alan Mackenzie (Nuremberg, Germany).
