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127 lines
3.9 KiB
Text
127 lines
3.9 KiB
Text
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= OpenH264
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'''
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[NOTE]
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======
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This page was automatically converted from https://fedoraproject.org/wiki/OpenH264
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It is probably
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* Badly formatted
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* Missing graphics and tables that do not covert well from mediawiki
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* Out-of-date
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* In need of other love
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Please fix it, remove this notice, and then add to `_topic_map.yml`
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Pull requests accepted at https://pagure.io/fedora-docs/fedora-howto
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Once that is live, go to the original wiki page and add an `{{old}}`
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tag, followed by a note like
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....
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{{admon/note|This page has a new home!|
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This wiki page is no longer maintained. Please find the up-to-date
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version at: https://docs.fedoraproject.org/whatever-the-url
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}}
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....
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======
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'''
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This page contains information on the Cisco
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http://www.openh264.org/[OpenH264] codec.
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[[background]]
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Background
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----------
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Cisco provides an OpenH264 codec (as a source and a binary), which is
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their of implementation H.264 codec, and they cover all licensing fees
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for all parties using their binary. This codec allows you to use H.264
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in WebRTC with gstreamer and Firefox. It does *not* enable generic H.264
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playback, only WebRTC (see Mozilla
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https://bugzilla.mozilla.org/show_bug.cgi?id=1057646[bug 1057646]).
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The code source is available at https://github.com/cisco/openh264 under
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a BSD license. The binary is released under this agreement from Cisco:
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http://www.openh264.org/BINARY_LICENSE.txt
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Upstream Firefox versions download and install the OpenH264 plugin by
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default automatically. Due to it's binary nature, Fedora disables this
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automatic download.
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[[installation-from-fedora-cisco-openh264-repository]]
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Installation from fedora-cisco-openh264 repository
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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A `fedora-cisco-openh264` repository is distributed since Fedora 24 by
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default (if you have at least `fedora-repos-24-0.5` package or newer).
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It contains OpenH264 binary link:Non-distributable-rpms[built inside the
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Fedora infrastructure], but distributed by Cisco, so that the all
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licensing fees are still covered by them. This repository also contains
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OpenH264 plugins for gstreamer and Firefox. It is disabled by default.
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In order to install OpenH264, you first need to enable it:
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....
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$ sudo dnf config-manager --set-enabled fedora-cisco-openh264
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....
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and then install the plugins:
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....
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$ sudo dnf install gstreamer1-plugin-openh264 mozilla-openh264
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....
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Afterwards you need open Firefox, go to menu -> Add-ons -> Plugins and
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enable OpenH264 plugin.
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You can do a simple test whether your H.264 works in RTC on
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https://mozilla.github.io/webrtc-landing/pc_test.html[this page] (check
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_Require H.264 video_).
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[[manual-install-of-binary]]
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Manual install of binary
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~~~~~~~~~~~~~~~~~~~~~~~~
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* View and agree to the http://www.openh264.org/BINARY_LICENSE.txt
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* Download the appropriate binary for your system here:
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https://github.com/cisco/openh264/releases
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Example installation for version 1.1:
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`wget `http://ciscobinary.openh264.org/openh264-linux64-v1.1-Firefox33.zip[`http://ciscobinary.openh264.org/openh264-linux64-v1.1-Firefox33.zip`] +
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`mkdir -p ~/.mozilla/firefox/``/gmp-gmpopenh264/1.1/` +
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`cd ~/.mozilla/firefox/``/gmp-gmpopenh264/1.1/` +
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`unzip ~/openh264-linux64-v1.1-Firefox33.zip`
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[[firefox-config-changes]]
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Firefox config changes
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^^^^^^^^^^^^^^^^^^^^^^
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Type about:config into the Firefox address/URL field and accept the
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warning.
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* From the Search field type in 264 and a handful of options will
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appear. Give the following Preference Names a value of true by
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double-clicking on false:
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` media.gmp-gmpopenh264.autoupdate` +
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` media.gmp-gmpopenh264.enabled` +
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` media.gmp-gmpopenh264.provider.enabled` +
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` media.peerconnection.video.h264_enabled`
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* Restart Firefox
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* After restarting, the following string in about:config will change to
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the current version that has been installed from the web:
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` media.gmp-gmpopenh264.version`
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'''
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See a typo, something missing or out of date, or anything else which can be
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improved? Edit this document at https://pagure.io/fedora-docs/fedora-howto.
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