[MPlayer-users] a/v sync problem and corrupted AVI written by mencoder (NODAEMON)

Martin martin_199ar at yahoo.com.ar
Thu Jan 1 17:39:18 CET 2004

On Thu, 1 Jan 2004 15:20:34 +0100
Matthias Welwarsky <matze at stud.fbi.fh-darmstadt.de> wrote:

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]

> However, when I look at the file content with VirtualDub, I can see several 
> oddities:
> First, VirtualDub complains about the audio being VBR. I used the following 
> commandline to rip the DVD:
> mencoder dvd://1 -alang en -ovc lavc -lavcopts vcodec=mpeg4:vhq:vbitrate=800 
> -vop crop=640:274:0:44,scale -zoom -xy 640 -oac mp3lame -lameopts 
> abr:br=128:vol=1 -o output.avi
> Obviously I told mp3lame to encode 128kbit/s CBR, so why doesn't it comply?
No, you don't. Try with cbr:br=128 instead of abr (average bitrate)

> Second, looking at the structure of the AVI, I can see that the MOVI chunk's 
> internal structure is damaged. One of the frames has a wrong length header 
> and so the chain is broken. This will break all players that don't use the 
> index chunk for playback. 

Here, I can't help you... 


martin_199ar at yahoo.com.ar

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