[MPlayer-users] aac/dual core problems

[Nico Sabbi]

Philip Schierholz wrote:

>Hello!
>
>I've got two questions about mencoder:
>
>1. I'm using mplayer to transcode a demultiplexed mpeg2 file. The input stream formats are *.m2v for video and *.mp2 for audio. The output file should be a *.mp4 container with a x264 video and aac audio stream. The x264 transcoding is working well but i've got some problems with the aac codec, using the option -oac faac. the mencoder is running but all players I tried (vlc player, mplayer, windows media player, quicktime player) told me they found an unknown audio codec.
>  
>

when outputting mp4 files you should use -faacopts :mpeg=4:raw