flash plugin skips ahead, has no sound after 11.04 to 12.04 upgrade

Bug #1015803 reported by Whit Blauvelt
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
adobe-flashplugin (Ubuntu)
New
Undecided
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Bug Description

Now flash videos in web pages skip ahead about as fast as they're downloaded. And are silent. This is on a 64-bit system. Used to work perfectly with these. Same problem now in both Chrome and Firefox.

Ubuntu 12.04 LTS

flashplugin-installer 11.2.202.236ubuntu0.12.04.1

Revision history for this message
Whit Blauvelt (whit-launchpad) wrote :

Found the problem. It's an odd one. Looking in the Volume Control app (not sure if it's a Gnome or Xfce thing - desktop is Xfce), it showed that it has been defaulting to trying to play the audio stream through "Redwood HMDI Audio" on account of seeing a Radeon video card in the system. Turning that off under the Configuration tab and having Built-in Audio set to the appropriate (in my case) Analog Stereo Audio not only restores sound, but it fixes the Flash-video-racing-ahead problem.

What's insane is that video should race ahead because of a non-functioning audio output. How could Adobe have ever programmed Flash with that dependency?

In any case it appears that in the upgrade cycle Ubuntu insisted on bringing HDMI audio back into play. That had been set correctly - off - before the upgrade. I do have HDMI to my monitor, but its speakers are analog.

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