On Sat, 14 Feb 2015 11:36:48 +0100 Marc Joliet <mar...@gmx.de> wrote:
> Am Fri, 13 Feb 2015 18:11:31 -0500 > schrieb "Walter Dnes" <waltd...@waltdnes.org>: > > > On Fri, Feb 13, 2015 at 08:02:08PM +0200, Gevisz wrote > > > > > > 2. I am not sure but my guess is that the gstreamer allows me to watch > > > the video from youtube (partially), edX, cousera, etc. in a web-browser > > > (I mainly use Firefox), as I never install any flash player to avoid > > > too many "flashing" while browsing the Internet. (Would be interested > > > to know if this my guess is correct.) > > Yes, you are correct, at least for Firefox (but I would be surprised if it > were > different for qtwebkit). Note that the dependencies aren't specified in the > ebuild itself, but in the mozconfig-* eclasses. See for example the > mozconfig-v5.34 eclass: > > gstreamer? ( > >=media-libs/gstreamer-1.2.3:1.0 > >=media-libs/gst-plugins-base-1.2.3:1.0 > >=media-libs/gst-plugins-good-1.2.3:1.0 > >=media-plugins/gst-plugins-libav-1.1.0_pre20130128-r1:1.0 > ) > > The libav gstreamer plug-in is what lets you watch MP4 videos (and don't > let the name fool you, it also works with ffmpeg). Thank you for information. > And if you install > gst-plugins-mad:1.0, then you can also play MP3s in Firefox (see > https://bugs.gentoo.org/show_bug.cgi?id=536530). > > > I use the Seamonkey variant of Firefox. It has a more "classic" GUI > > interface, and a few other differences. It also has an option in the > > settings... > > > > Edit ==> Preferences ==> Advanced ==> Scripts & Plugins > > > > You can choose whether or not to "Activate all plugins by default". > > ***THIS IS NOT AN ADDON*** like Flashblock, so you don't have to worry > > about the author keeping up with the current version of the browser. It > > is a built-in setting. If you turn that option off, you get a box that > > says "Activate Adobe Flash" on any page with Flash on it. You can click > > on the box, and that activates only the one instance. If there are > > several flash boxes on a page, you can click on just the one(s) you > > want. > > A variant of this setting also exists in Firefox, albeit it is accessed from > the > about:addons page under Plugins. There you get a per-plugin tri-state > setting, > where you can choose between "always on", "always off", or "always ask". With > the latter, you get the same behaviour you described: a placeholder that you > can > click to selectively activate Flash. > > Personally, I don't like that way of doing things, because unless you > completely deactivate Flash, Youtube will stupidly never attempt to use HTML5 > videos (I guess it sees that you have Flash installed?). Yes, it is bad because now I can see at least half of the youtube videos via html5. > Thus, I use the FlashDisable extension, which simply makes it easier to toggle > between "always on" and "always off" (although it won't allow you to > selectively > activate Flash per instance on a page, which is too bad, although I rarely > see this). Thank you for this hint also. > One thing I've joyfully noticed is how rare the instances where I need to > activate Flash are becoming :-). I hope that with time youtube will completely switch to html5, so flash player won't be needed. Till then youtube-dl can be a good way to "switch flash player on," at least for youtube. :-)
