[libav-tools] WebM does not play in Firefox any more

Torsten Römer dode at luniks.net
Sun May 4 13:41:43 CEST 2014

Am 04.05.2014 10:23, schrieb Luca Barbato:
> On 04/05/14 01:21, Torsten Römer wrote:
>> I created quite a few WebM videos with avconv and they all used to play
>> fine in Firefox and other browsers.
>> The recent upgrade to kubuntu 14.04 seems to have included a new version
>> of avconv, and recently there was a Firefox update to 29.0.
>> Now WebM videos don't play in Firefox any more, but still play well in
>> Chromium and Rekonq, as well as in all video players I have tried.
>> WebM videos created with the older avconv version still play fine in
>> Firefox however.
>> So normally I would say that it is a Firefox issue but why do WebM
>> videos created with the older libav release still play? Anything I can
>> try, should I downgrade or try some current snapshot?
>> The current versions are:
>> Writing application: Lavf54.20.3
>> Writing library:     Lavf54.20.3
>> Writing application: Lavc54.35.0
>> The older ones are:
>> Writing application: Lavf53.21.1
>> Writing library:     Lavf53.21.1
>> Writing application: Lavc53.35.0
> Thanks for reporting we'll need to check and see where the problem is
> (and probably we'll have to workaround it on our side =\)
> lu
Thanks Lu and let me know if I can help testing something!


More information about the libav-tools mailing list