See this support article from Adobe under the heading "Last Resort": Adobe Forums: How do I troubleshoot Flash Player's protected mode for Firefox? Read this answer in context 👍 2 All Replies (10) (2) Disable protected mode (Win Vista & Win 7 & maybe Win 8) (B) In Flash, see this support article from Adobe:
Orange Firefox button or classic Tools menu > Options > Advanced > General > "Use hardware acceleration when available"
(A) In Firefox, un-check the box here and restart: (1) Disable hardware graphics acceleration in Firefox and in Flash I think there has been some movement on that, at least in the mobile space, but I haven't looked into it recently.īut back to Firefox. Adobe Flash Player plug-in - Google Chrome Help.Ĭhrome might natively play more videos, because for a long time, Firefox has not played H.264-encoded videos due to patent issues. So in order to test whether you are playing natively or using Flash, you would need to disable that. Remove ubuntu-restricted-extras and associated dependencies and you will find that Vivaldi still works.Because every video works in Chrome with html5.Ĭhrome includes an integrated Flash player. This had no effect at all but on restart, the file Vivaldi fetched was then used. You then installed what you thought was a package that would fix the situation. Vivaldi then initiated the process to fix the situation. Most likely you believe you fixed it because on first start the support file had not yet been fetched by Vivaldi. It will not look at any of the libraries in the packages you listed. On install (or startup if that fails) Vivaldi fetches a package in the background and installs a file from it to handle a wider variety of codecs. Why am I so blunt? Because I do not want to sow more confusion amongst other users who might see your message and think this is a solution. I am telling you that you are completely wrong.
How to install html5 in firefox code#
Sorry, something went I am a Vivaldi employee and the person who wrote the code that Vivaldi uses to decide which lib to load to support more codecs. 400 # package downloaded by the script and kept in local repository # => apt-cache policy chromium-codecs-ffmpeg-extra etc/apt/preferences.d: added a preference file to exclude all of ubuntu except for chrome-ffmpeg-codecs-extra:Įxplanation: do not block ffmpeg-extra but lower priority than debianĪfter installing chrome-ffmpeg-codecs-extra, videos from the test page as well as videos from, netflix and amazon all run well! etc/apt/sources.list: added an ubuntu repository: chrome-ffmpeg-extra-codecs from ubuntu to play H264 videos:
This will also allow new versions of chromium-ffmpeg-codecs-extra to be found and installed in the normal manner used for all other packages. Sudo cp -v /usr/lib/chromium-browser/libffmpeg.so /opt/vivaldi/lib/įor my debian system tracking the testing distribution, the easiest of all to run h264 videos on vivaldi was to add a ubuntu repository and a preferences file to exclude all ubuntu packages other than chrome-ffmpeg-codecs-extra. This is the command I used to copy "libffmpeg.so" from the installed "chromium-codecs-ffmpeg-extra" package into Vivaldi's lib folder. I thought I would just try copying the "libffmpeg.so" from "/usr/lib/chromium-browser/" into the Vivaldi "lib" folder which in my Linux KDE Neon is "/opt/vivaldi/lib/" and restarted Vivaldi and it works great only vivaldi when run from the console terminal still show I need to install it? Tail -c+1077 | tar JxC ~ -wildcards \*libffmpeg.so -xform 's.*/.local/lib/vivaldi/,' To add support for proprietary media, issue the following command and restart No suitable library for HTML5 proprietary media (MP4) was found, I also ran vivaldi from the console terminal prompt which recommended installing an older version. And I really like it, but I had trouble with x264/mp4 videos on the test page? After reading this thread, I checked to see if "chromium-codecs-ffmpeg-extra" was installed in "Synaptic Package Manager (SPM)" and it was installed version 75.
I just installed Vivaldi into my Linux KDE Neon user edition based on Ubuntu 18.04 Bionic.
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