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

[PhilippeDidier]

PhilippeDidier a écrit :
> 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.
>>
>>
It is not so clear :
http://opencore-amr.git.sourceforge.net/git/gitweb.cgi?p=opencore-amr/fdk-aac;a=blob;f=NOTICE


>>     Christiaan
>>
> Yes fdk-aac replaces now vo-aacenc !
> I'm trying to build a package for fdk-aac-0.1.0. ;)
> 
> 

I did it ...
Proposed a spec file and a patch
see bugzilla bug 7951

It may now  be used for building ffmpeg (ready for this)
vlc (soon)
not yet for mplayer nor avidemux :(