[Mageia-dev] cinelerra/audiokonverter/arista (war Re: rehashing the faac issue)

PhilippeDidier philippedidier at laposte.net
Thu Nov 1 16:19:34 CET 2012


Christiaan Welvaart a écrit :
> On Thu, 1 Nov 2012, PhilippeDidier wrote:
> 
>> Christiaan Welvaart a écrit :
>>> On Wed, 31 Oct 2012, PhilippeDidier wrote:
>>>
>>>> I don't know actually how to create *.aac files or *.mp4 files with
>>>> Mageia... if you help me I will be happy...
>>>
>>> ffmpeg -i foo.mp3 -strict -2 -codec:a aac -format adts foo.aac
>>>
>>> But AFAIK this uses the ffmpeg internal aac codec which isn't very good.
>>>   -codec:a libvo_aacenc      produces garbage, no idea why
>>>
>>> About arista: someone decided to use the internal ffmpeg lib from
>>> gstreamer-ffmpeg for gstreamer0.10-ffmpeg which broke arista. Now arista
>>> must be ported to gstreamer1.0 .
> 
>> You can understand, now, if you need to create aac or mpa or mp4 files :
>> that faac works
>> that softwares built with it work too
>> that nothing inside Mageia work (libvo_aacenc is really bad quality when
>> it doesn't produce garbages)
> 
> It is a problem with the .aac file format combined with this codec. It
> works fine with bitrate 192kbit/s just not with anything lower. The
> codec also works with any bitrate when output to mp4 (aka quicktime
> movie) files. Or are you saying you do not like the audio quality of
> this codec?
> 
>> What do you propose then ?
> 
> Try it yourself and complain to ffmpeg developers if something you need
> doesn't work.
> 
> There is now also fdk-aac which is supposed to be good. It has a special
> license that is somewhat similar to the GPL, may be compatible or not.
> 
> 
>     Christiaan
> 
Yes fdk-aac replaces now vo-aacenc !
I'm trying to build a package for fdk-aac-0.1.0. ;)




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