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 :(
