From: Pavel Machek <pavel@ucw.cz>
To: Tobias <kaminsky@finswimmer.de>
Cc: Robert Hancock <hancockr@shaw.ca>, linux-kernel@vger.kernel.org
Subject: Re: [REQUEST] Option for skipping unreadable blocks on Video DVD
Date: Sun, 25 Nov 2007 18:32:45 +0000 [thread overview]
Message-ID: <20071125183245.GB5087@ucw.cz> (raw)
In-Reply-To: <200711182334.52703.kaminsky@finswimmer.de>
Hi!
> > I think that if they are using the normal block layer accesses on the
> > DVD device, there may be some retries that occur which are likely
> > undesirable in this case since they will just stall playback. If they
> > are using SG_IO to feed raw requests into the drive (which I imagine
> > they need to do for CSS authentication, etc. anyway), then all error
> > handling is passed up to the user application.
>
> Normal apps like cp are ending because of Input/Output error.
> I did some researches and
> dd if=/dev/hdc of=image.iso conv=noerror,sync bs=1M
> does everything I want for whole Video Dvds. It skips unreadable blocks.
> But I get recorded tv shows from friends and there is the same as with
> scratched dvds. Now the problem is that there are several .avi files on it.
> So I cannot use dd.
dd works with files.
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-11-26 12:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.DNZjDdh1eNcFR2zDRKzQ6G2bIVU@ifi.uio.no>
2007-11-18 4:58 ` [REQUEST] Option for skipping unreadable blocks on Video DVD Robert Hancock
2007-11-18 22:34 ` Tobias
2007-11-25 18:32 ` Pavel Machek [this message]
2007-11-17 11:29 Tobias
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