WebM playback at 4x speed (sample rate conversion problem?)

[adempewolff]

Hi, I'm having a problem where WebM playback on any youtube WebM video
happens at 4x speed when using Chrome, but plays back normally when
using Mozilla.

Are there any differences in the versions of WebM used by Chrome and
Firefox that could be causing this? Or, if it sounds like this isn't
a problem with WebM any suggestions of where to look next to find the
culprit? I'm using using Ubuntu 12.04, which uses the pulseaudio
sound server and it looks like html5 video uses "ALSA plugin" to
interface with the sound server.

Thanks in advance for any help.

[Matthew Heaney]

Do you have a link to the video?

[John Koleszar]

Plays ok for me in Chrome 20.0.1132.47 beta.

I wasn't aware the Channel 9 was serving webm. Very cool, though we need to get them some help with their encoding settings.

On Wed, Jul 11, 2012 at 7:39 AM, <cristi.m...@gmail.com> wrote:

Hello,

I just noticed this issue with this video: http://media.ch9.ms/ch9/83fd/613bea6d-cfc0-4599-9330-502d730d83fd/WPSummitKeynote.webm

I am using Ubuntu 12.04, Chromium 18.0.1025.168 (Developer Build 134367 Linux) Ubuntu 12.04

Chrome started at 4x playback speed, then after a few minutes it recovered, but the problem reappeared after moving the time slider forward.

Firefox is playing it just fine.

Cheers,

Cristian

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[Lou Quillio]

Likely unrelated to WebM. I've seen this intermittently on Chrome
unstable and beta over the past six months, though not lately (also
12.04, nVidia 295.40).

Can you advise whether the following issue is the same as yours? Thanks.

http://code.google.com/p/chromium/issues/detail?id=108396

LQ


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Lou Quillio
Webmaster
WebMProject.org