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List:       freebsd-multimedia
Subject:    Re: Video play back with SCSI DVD-ROMs
From:       Nate Lawson <nate () root ! org>
Date:       2003-07-06 19:48:43
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On Sun, 6 Jul 2003, Mark Weinem wrote:
> 	4.8-STABLE and
> 	PIONEER DVD-ROM DVD-303
>
> I heard, that Video DVD and VCD play back  don't work with SCSI
> (DVD-)ROMs - because of CAM's fixed blocksize.
>
> But I can play Video DVDs here with mplayer, ogle and vlc (but it's to
> slow)
>
> With mplayer and VCDs, I get the following error message:
>
> 	CDRIOCSETBLOCKSIZE: Inappropriate ioctl for device
> 	ioctl dif1: Invalid argument

CAM does not have a fixed block size.  You are seeing lack of support for
the CDRIOCSETBLOCKSIZE ioctl in cd(4).  This question comes up from time
to time and becomes a question of the duplication of cd(4) by atapicd.
The best thing for users is to probably go out and duplicate CD* ioctls in
cd(4) and later merge the two.

-Nate

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