Maybe is because Opera don't come with a h264 codec, so you need to install it manually. Installing gstreamer plugins should solve it.
Posts made by gwalechweinh
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Opera for LinuxRE: No sound! while watching any video on any webpage
- Opera for Linux
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Opera for LinuxRE: opera 41 and fedora 25
You need to install chromium-pepper-flash. If you didn't already, enable russian fedora repository:
su -c 'yum install --nogpgcheck
http://mirror.yandex.ru/fedora/russianfedora/russianfedora/free/fedora/russianfedora-free-release-stable.noarch.rpm http://mirror.yandex.ru/fedora/russianfedora/russianfedora/nonfree/fedora/russianfedora-nonfree-release-stable.noarch.rpm'then, install it with:
sudo yum install chromium-pepper-flash
It suppose to work automatically.
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Opera for LinuxRE: How can I make battery saver mode permanent?
I didn't found a way to keep battery saver permanently active, but you can use the Stylish extension in Opera.
- Stylish extension: https://addons.opera.com/en-gb/extensions/details/stylish/
- Sownload Stylesheets: https://userstyles.org/