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

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. ;)
+
+
+