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External
Since: Jul 14, 2004
Posts: 1
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(Msg. 1) Posted: Wed Jul 14, 2004 10:02 am
Post subject: iTunes for DVD?
Archived from groups: comp>sys>mac>apps (more info?)
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Hi,
Does anyone know of an "iTunes for DVD" that would let me copy DVDs to
the harddrive in a more compressed format (perhaps a DivX at 250
megs/half an hour) so that I could watch them on the
train/plane/boat/horse/etc. without having to lug the DVDs around with
me?
I'm sure that this would be a great program for a lot of people, and
I'm surprised that nobody's done it, assuming that it maintained the
encryption and locked the ripped files to that machine, like iTunes
does.
I could do it by hand of course with the various utilities that are
out there, but I'm not particularly knowledgeable with video, and
would be much happier if I could just choose a "Rip this DVD"
button....
Any ideas?
TIA
Richard |
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External
Since: Jun 14, 2004
Posts: 82
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(Msg. 2) Posted: Wed Jul 14, 2004 2:17 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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> Does anyone know of an "iTunes for DVD" that would let me copy DVDs to
> the harddrive in a more compressed format (perhaps a DivX at 250
> megs/half an hour) so that I could watch them on the
> train/plane/boat/horse/etc. without having to lug the DVDs around with
> me?
You didn't mention if you are using OSX or not, but...
I use DVDBackup, search for it on versiontracker (currently v1.3 I think).
Open it and it's basically a one-button decryption method. It will create a
folder containing a series of files that you don't need to mess with
individually. When you open DVD player, under File menu, you can select
"open VIDEO_TS folder..." instead of running an actual DVD.
A decrypted DVD runs about a GB for 30 min of video, sometimes a bit more
depending on how much extra features were on the DVD, and how many languages
were available. Most commercial DVDs are around 5 or 6 GBs.
Now, if you wanted to make those files smaller, you would need additional
software that can convert .VOB files to another format. But trust me, any
other format that offers a reduction in file size carries with it a loss of
screen size and/or quality.
> I'm sure that this would be a great program for a lot of people, and
> I'm surprised that nobody's done it, assuming that it maintained the
> encryption and locked the ripped files to that machine, like iTunes
> does.
It removes all encryption on commercial DVDs. You can decide for yourself
whether this is "fair use" or not.<!-- ~MESSAGE_AFTER~ --> |
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External
Since: Apr 03, 2004
Posts: 112
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(Msg. 3) Posted: Wed Jul 14, 2004 3:17 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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David Besack <daveREMOVEbesack RemoveThis @mac.com> wrote:
> > Does anyone know of an "iTunes for DVD" that would let me copy DVDs to
> > the harddrive in a more compressed format (perhaps a DivX at 250
> > megs/half an hour) so that I could watch them on the
> > train/plane/boat/horse/etc. without having to lug the DVDs around with
> > me?
>
> You didn't mention if you are using OSX or not, but...
>
> I use DVDBackup, search for it on versiontracker (currently v1.3 I think).
>
> Open it and it's basically a one-button decryption method. It will create a
> folder containing a series of files that you don't need to mess with
> individually. When you open DVD player, under File menu, you can select
> "open VIDEO_TS folder..." instead of running an actual DVD.
>
> A decrypted DVD runs about a GB for 30 min of video, sometimes a bit more
> depending on how much extra features were on the DVD, and how many languages
> were available. Most commercial DVDs are around 5 or 6 GBs.
>
> Now, if you wanted to make those files smaller, you would need additional
> software that can convert .VOB files to another format. But trust me, any
> other format that offers a reduction in file size carries with it a loss of
> screen size and/or quality.
>
> > I'm sure that this would be a great program for a lot of people, and
> > I'm surprised that nobody's done it, assuming that it maintained the
> > encryption and locked the ripped files to that machine, like iTunes
> > does.
>
> It removes all encryption on commercial DVDs. You can decide for yourself
> whether this is "fair use" or not.
From the numbers you describe, I don't see much compression. At 1 GB
per 30 minutes, a 3 hour movie would be about 6 GB which is what a
commercial DVD is running. So this program really seems to be a method
of de-encryption allowing one to transfer the movie to your HD or also,
presumably, burn it onto a DVD-R. Am i wrong in this?
--
paulfuchs at attglobal dot net
Sitting on a small rock (St. John) in the Caribbean<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: iTunes for DVD? |
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External
Since: Jun 29, 2003
Posts: 1262
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(Msg. 4) Posted: Wed Jul 14, 2004 3:17 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <844bf70d.0407140802.28e2cb56.DeleteThis@posting.google.com>, Richard
Thomas <richard_thomas.DeleteThis@bigfoot.com> wrote:
> Hi,
>
> Does anyone know of an "iTunes for DVD" that would let me copy DVDs to
> the harddrive in a more compressed format (perhaps a DivX at 250
> megs/half an hour) so that I could watch them on the
> train/plane/boat/horse/etc. without having to lug the DVDs around with
> me?
>
> I'm sure that this would be a great program for a lot of people, and
> I'm surprised that nobody's done it, assuming that it maintained the
> encryption and locked the ripped files to that machine, like iTunes
> does.
>
> I could do it by hand of course with the various utilities that are
> out there, but I'm not particularly knowledgeable with video, and
> would be much happier if I could just choose a "Rip this DVD"
> button....
>
> Any ideas?
>
Check out Forty-Two DVD-VX Plus. That's about as close as I've seen to
what you're asking, and it isn't quite there.
The real problem is that it took Jobs, etc. quite a while to convince
the RIAA and the labels to take a shot at the iTunes Music Store.
DivX (your request), for example, doesn't include the "rights
management" hooks, but QuickTime does, and with the MPEG-4 codecs could
fill the bill. The trick, once again, is coming up with a model that
the studios and MPAA will tolerate. I believe this will happen, but I
don't think it will happen quickly.
--
Spenser<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: iTunes for DVD? |
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External
Since: Jun 14, 2004
Posts: 82
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(Msg. 5) Posted: Wed Jul 14, 2004 3:17 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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> From the numbers you describe, I don't see much compression. At 1 GB
> per 30 minutes, a 3 hour movie would be about 6 GB which is what a
> commercial DVD is running. So this program really seems to be a method
> of de-encryption allowing one to transfer the movie to your HD or also,
> presumably, burn it onto a DVD-R. Am i wrong in this?
Right, the program does not do any compression. I am not an expert on
digital video formats, but DVD video (and .VOB files) are either MPEG 2 or
4, and I don't know how much you can compress them without noticable loss in
quality when viewing.
I use a couple different programs on the PC for compression, but I'm not
familiar with what's available on the Mac. I've has some problems getting
Quicktime Pro to do much of anything.
Using DVD Shrink or AVS Videoconverter, if I take a 1 GB VOB file and take
it down any further than about 700 MB, I can see a loss in visual quality.
I have made videoCD quality MPEGs of DVDs, which are about 1/8th the size
(so 3 hour movie = under a GB), and they are okay for viewing at 320x240,
but look bad at 640x480, on a computer screen.
But as I said, I don't know of any programs that do this for the Mac. QT
Pro cannot edit a variety of formats without special codecs (purchased in
addition to the Pro key), and even then has limitations.<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: iTunes for DVD? |
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External
Since: May 27, 2004
Posts: 87
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(Msg. 6) Posted: Wed Jul 14, 2004 8:18 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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there are programs that will demux the vob file to a separate audio and
video track. you can then depending on the format that they are in,
(may take another conversion step depending on what vid and what audio
format was used) open the vid of the aud track and then copy paste in
the other track. you can then export to mp4 muxed to get a smaller
format that will play alright on a laptop.
jimt
In article <cd4073$3una$1@netnews.upenn.edu>, David Besack
<daveREMOVEbesack.TakeThisOut@mac.com> wrote:
> > From the numbers you describe, I don't see much compression. At 1 GB
> > per 30 minutes, a 3 hour movie would be about 6 GB which is what a
> > commercial DVD is running. So this program really seems to be a method
> > of de-encryption allowing one to transfer the movie to your HD or also,
> > presumably, burn it onto a DVD-R. Am i wrong in this?
>
> Right, the program does not do any compression. I am not an expert on
> digital video formats, but DVD video (and .VOB files) are either MPEG 2 or
> 4, and I don't know how much you can compress them without noticable loss in
> quality when viewing.
>
> I use a couple different programs on the PC for compression, but I'm not
> familiar with what's available on the Mac. I've has some problems getting
> Quicktime Pro to do much of anything.
>
> Using DVD Shrink or AVS Videoconverter, if I take a 1 GB VOB file and take
> it down any further than about 700 MB, I can see a loss in visual quality.
> I have made videoCD quality MPEGs of DVDs, which are about 1/8th the size
> (so 3 hour movie = under a GB), and they are okay for viewing at 320x240,
> but look bad at 640x480, on a computer screen.
>
> But as I said, I don't know of any programs that do this for the Mac. QT
> Pro cannot edit a variety of formats without special codecs (purchased in
> addition to the Pro key), and even then has limitations.
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: iTunes for DVD? |
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External
Since: Apr 03, 2004
Posts: 112
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(Msg. 7) Posted: Thu Jul 15, 2004 3:20 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Don't know anything about DVD burning, but my next Mac, which is less
than 90 days away, will have a SuperDrive so maybe it's time to learn
something. One thing I noted with DVD backup to DVD-R is that sometimes
the original DVD is too large to put on a DVD-R, i.e. bigger than 4.7 GB
and that there is a Mac program out that does minor compression to
compensate for this. However, this program is on the expensive side.
My question (pardon my ignorance) is why would a commercial single sided
DVD be larger than a blank DVD-R capacity?
--
paulfuchs at attglobal dot net
Sitting on a small rock (St. John) in the Caribbean >> Stay informed about: iTunes for DVD? |
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External
Since: Jul 17, 2004
Posts: 3
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(Msg. 8) Posted: Sat Jul 17, 2004 1:54 pm
Post subject: Re: iTunes for DVD? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Hi there,
David Besack wrote:
> Right, the program does not do any compression. I am not an expert on
> digital video formats, but DVD video (and .VOB files) are either MPEG 2 or
> 4, and I don't know how much you can compress them without noticable loss in
> quality when viewing.
DVDs are compressed with MPEG-2. If you use DVD Shrink or a similar
program, which reduces the bitrate but keeps using the same compression
algorithm (MPEG-2), you will notice a considerable degradation in quality.
However, if you transcode the MPEG-2 movie using a more advanced codec
like MPEG-4 (more specifically, the Advanced Video Coding (AVC) part of
MPEG-4) or DivX / XviD (which are technically similar to AVC), you will
get "almost DVD quality" at about an eighth of the original MPEG-2 filesize.
On the downside, the transcoding process is pretty time consuming.
Regards
Enno<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: iTunes for DVD? |
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