[MEncoder-users] Mencoder: converting to mp4, quicktime problem

[Nico Sabbi]

sentenza wrote:

> Hello,
>
> Quicktime player can't play mp4 encoded by mencoder, but others 
> players  can
> play them. I d'ont understand because mp4 encoded with ffmpeg are well
> played by Quicktime player :/
>
> To generate an Ipod video, I encoded with mencoder the video stream with
> libavcodec in mpeg4 and used libavformats to specify the mp4 format. The
> audio codec used is faac.
>
> I used the following command line :
>
> mencoder video.wmv -o test.mp4 -of lavf -ovc lavc -oac faac -lavcopts
> vcodec=mpeg4:vbitrate=250:autoaspect:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:precmp=2:cmp=2:subcmp=2:preme=2:turbo 
>
> -lavfopts format=mp4:i_certify_that_my_video_stream_does_not_use_b_frames
> -vf scale=320:240 -ofps 15 -srate 44100
>
> I don't understand because ffmpeg and mencoder use the same libavcodec 
> and
> libavformat ... So anyone have an idea about why encoded mp4 can't be 
> played
> by quicktime player ?
>
> Regards,
>

dunno, but at least you missed -faacopts mpeg=4:raw