[OM Cooker] firefox does not play mp4

Tomasz Gajc tpgxyz at gmail.com
Thu Jun 30 03:05:38 EDT 2016


Thanks Cris !

2016-06-30 0:25 GMT+02:00 Crispin Boylan <cris at beebgames.com>:

> sorted, we had an old switch to disable the builtin aac encoder/decoder.
> Since 3.0 it is stable and the default.
>
> After enabling locally everything is working!
>
>
> Currently rebuilding on cooker and 3.0....
>
>
> thanks
>
> cris.
>
>
>
>
> On 29/06/16 22:01, Crispin Boylan wrote:
>
>> seems to be something to do with aac, because its only those ones it's
>> not playing, videos without sound are fine.  also i tried an aac sample
>> file and it wont play that either. something with aac in the latest ffmpeg
>> 3.0?
>>
>>
>> the file errors are ok because it tries a bunch of versions before
>> finding libavcodec.so.57 .
>>
>>
>>
>>
>> On 29/06/16 10:06, Bernhard Rosenkraenzer wrote:
>>
>>> On 2016-06-29 10:43, Jean-Claude Vanier wrote:
>>>
>>>> No real clue.
>>>>
>>>> When I open this file with FF:
>>>>    http://people.mozilla.org/~kbrosnan/tmp/829454/829454.mp4
>>>>
>>>> strace shows those lines:
>>>>
>>>> 4222  open("/lib64/libavcodec-ffmpeg.so.57", O_RDONLY|O_CLOEXEC) = -1
>>>> ENOENT (No such file or directory)
>>>>
>>>
>>> That's helpful, it should be looking for libavcodec.so.57 instead.
>>> Probably something in ff or a library used by it (gst?) has been written
>>> for a distro that packages both ffmpeg and libav and renames ffmpeg
>>> libraries.
>>>
>>> Unless it looks for libavcodec.so.57 as well, the fix may be as simple
>>> as sed -i -e 's,libavcodec-ffmpeg,libavcodec,g' on the file triggering this.
>>>
>>> ttyl
>>> bero
>>>
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>>>
>>
>>
>
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