[MEncoder-users] mencoder has a problem to convert DVD - unstable

[Grozdan]

On Mon, Sep 13, 2010 at 4:23 AM, hai yi <hai at entrepidea.com> wrote:
> Hello All frinds:
>
> This is my first post on this maillist, so please forgive me if there is any netiquette problem here. :-)
>
> I've been using mencoder for a while, and I tested these two commands to ripper a DVD, into a normal mp4 file and a classical ipod format:
>
> C:\Videos\video_samples>mencoder.exe -dvd-device f:\VIDEO_TS dvd://1 -sws 9 -oflavf -lavfopts format=mp4 -vf scale=-2:320,harddup -ovc x264 -x264encopts bitrate=1381:vbv_maxrate=1500:vbv_bufsize=2000:nocabac:me=umh:trellis=1:level_idc=30:global_header:threads=2 -oac faac -faacopts mpeg=4:object=2:br=160:raw -sid 0 -channels 2 -srate 48000 -o test.mp4
>
>
> C:\Videos\video_samples>mencoder.exe -dvd-device f:\VIDEO_TS dvd://1  -vf scale=320:240,harddup -ovc x264 -x264encopts bitrate=1381:vbv_maxrate=1500:vbv_bufsize=2000:nocabac:me=umh:trellis=1:level_idc=30:global_header:threads=auto -oac faac -faacopts mpeg=4:object=2:br=160:raw -sid 0 -channels 2 -srate 48000 -of lavf -lavfopts format=ipod  -o test_ipod.mp4

I don't see anything that disabled b-frames in your mencoder command.
If you use the lavf muxer in mencoder and don't disable b-frames
(which are on by default when using x264), most likely your mp4 will
be broken

>
>
> The problem is that these command and its options, while it works sometimes with limited success, it usually can't complete rippering the whole DVD - it breaks after a certain portion processed, 1%, 16%, etc.
>
> The mencoder.exe version is: MEncoder Sherpya-SVN-r29355-4.5.0 (C) 2000-2009 MPlayer Team
> The OS is: Windows XP pro
> The DVD is encrypted DVD (is this the problem?)

mencoder can't handle certain encryptions. Probably that's the cause
of the problem

>
>
> Thanks for your reply,
> H
>
>
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