Hrm, a proxy and two HTTP 401s and then a 200-success. That's
interesting.
Let's try seeing what the browser does for that sequence. Open the
network trace. Ctrl-Shift-I . "Network" tab. Go to the containing
page, and then try to play a video. I'm interested in the requests that
come out after that.
** Changed in: chromium-browser (Ubuntu)
Status: Expired => Incomplete
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https://bugs.launchpad.net/bugs/991758
Title:
Chromium web browser not showing mp4 videos
Status in chromium-browser package in Ubuntu:
Incomplete
Bug description:
::::::::::::::::::::::
PROBLEM ::
::::::::::::::::::::::
embedded playback of mp4 videos works in Firefox, fails in Chromium
:::::::::::::::::::::::::::
REPRODUCE ::
:::::::::::::::::::::::::::
examples are the videos in coursera.org If you are signed up for ml class,
start chromium-browser with url
https://class.coursera.org/ml/lecture/view?lecture_id=1
If chromium-codecs-ffmpeg-extra is not installed, which it isn't by default,
you get a black screen for the video.
Reproduced on Ubuntu12.04 and 11.10
chromium-browser --version
Chromium 18.0.1025.151 Ubuntu 12.04
:::::::::::::::::::::::
SOLUTION ::
:::::::::::::::::::::::
Ubuntu software center should suggest the addon plugin equivalent to:
sudo apt-get install chromium-codecs-ffmpeg-extra
:::::::::::::::::::
DETAILS ::
:::::::::::::::::::
To tell if the library is installed:
dpkg-query -l chromium-codecs-ffmpeg-extra
The needed library is installed as:
/usr/lib/chromium-browser/libffmpegsumo.so
I found this out with the command
dpkg-query -L chromium-codecs-ffmpeg-extra
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/991758/+subscriptions
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