[MEncoder-users] A/V out of sync - but only on an Archos player

[Lennart Börjeson]

I've got an Archos Gmini 400 which I'm quite happy with. I've also usually 
quite happy with mencoder/mplayer, but whatever options I try I can't get 
proper A/V-sync when encoding with mencoder. Audio leads about 0.5 sec for 
the entire movie.

Now, mplayer plays the same file fine, so this is probably an Archos 
deficiency. On the other hand, a file encoded with transcode with as 
equivalent options as I can make them, plays fine both on the Archos and with 
mplayer.

I'm guessing there must be subtle difference in the headers, but I'm not 
sufficiently knowledgeable of .avi-files or encoders to track it down myself. 
Can you direct me to the proper tools and procedures?

Best regards,

/Lennart

PS:

Sample options used for mencoder, version 1.0pre5:
-oac lavc -ovc lavc -lavcopts acodec=mp3:vcodec=mpeg4:abitrate=128

Sample options used for transcode, version 0.6.14:
-y ffmpeg -F mpeg4  -b 128

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