[Bug 630134] Re: video plays much too fast

[Dominik Geyer]

I had the same issue. I was playing some flash-videos in Firefox and
when I switched to another, the video suddenly was about 4 times faster
and it looked like it was skipping frames. There was no sound, too.
While debugging the problem I tried local media files (h264, mp3, ...)
and same effect. So I thought it could be gstreamer. gstreamer-
properties did not run the audio-test. So I looked up my audio-settings
and it turns out that for some reason the output-audio device suddenly
changed from my analog-device to HDMI-device from my graphics-card.
Switching back to my primary audio-device solved the problem.

Ubuntu 10.10 amd64
about:config: Shockwave Flash 10.3 d162

$ lspci|grep Audio
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller
01:00.1 Audio device: ATI Technologies Inc RV710/730

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https://bugs.launchpad.net/bugs/630134

Title:
  video plays much too fast