Re: Why Linux has problems with proprietary multimedia... (was: Interesting article)

2010-03-06 Thread Benjamin Scott
On Fri, Mar 5, 2010 at 5:53 PM, Joshua Judson Rosen
roz...@geekspace.com wrote:
 Apple and Microsoft have paid up royalties on these things ...

 ... which has me wondering: how does Ubuntu get away with shipping all
 of the stuff necessary to do DVD-authoring!?

  While I've never touched Ubuntu's DVD authoring stuff, I can add
some additional speculations, in addition to maddog's very cogent
points:

  At a lower level, a DVD is just a filesystem.  They don't have to be
restricted using anyone's special crypto, nor do they have to use any
particular codec.  In order for them to play in a consumer appliance
which implements DVD Video and *only* DVD Video, the files have to
have particular names and use particular codecs, but they still don't
need special crypto.  Many consumer appliance these days implement
additional codecs, meaning the files just have to particular names if
you don't care about broad compatibility.  Your DVD will not meet DVD
Video studio requirements, but presumably you're not interested in
that, you just want the damn thing to play.

  It's *playing* the discs from the big studios that requires all the
encumbered crypto and codecs.

  Legal technicalities may also enter into play.  Sometimes the
originator is technically in a non-US jurisdiction where they can
publish something without paying fees.  Sometimes it's legal to
distribute but not to use.

-- Ben
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Why Linux has problems with proprietary multimedia... (was: Interesting article)

2010-03-05 Thread Joshua Judson Rosen
Jon 'maddog' Hall mad...@li.org writes:

  Not one Linux distro I've seen does a convincing job with consumer
  media, an absolutely basic requirement, and something we ought to be
  able to get right.

 Well, please ask the DVD people not to used royalty bearing patents in
 their codecs, and encryption practices that would have the DMCA down on
 the headquarters of Fedora, OpenSUSE and others.

  movie or sound file

 H.264?  Mpeg3/4/2?

 Have your friends send you Ogg Vorbis stuff.  Plays fine.

 Apple and Microsoft have paid up royalties on these things (or at least
 Microsoft thought it had paid up royalties on mp3 until Alcatel/Lucent
 raised their hand a couple of years ago), so they can ship as many
 royalty-bearing codecs as they want.

... which has me wondering: how does Ubuntu get away with shipping all
of the stuff necessary to do DVD-authoring!?

I looked into making DVDs with one of my Debian machines at one point,
and quickly accumulated a long list of things that had been intentionally
left out of Debian due to clear-and-present patent dangers, and that I
decided against pursuing *not* out of fear for the *technical* issues
involved (pshaw!) but out of fear that I end up setting myself up for
some patent-troll to `pursue a cross-licensing relationship with' me
(did I get that euphamism right?) in the future.

-- 
Don't be afraid to ask (λf.((λx.xx) (λr.f(rr.

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Re: Why Linux has problems with proprietary multimedia... (was: Interesting article)

2010-03-05 Thread Jon 'maddog' Hall
... which has me wondering: how does Ubuntu get away with shipping all
of the stuff necessary to do DVD-authoring!?

Ahhh, what does it meant to do DVD-authoring?  Moving encoded bits on
a DVD?  No problem!  Taking video bits from my video camera (encoded
into Mpeg) and putting it onto my DVD?  No problem!  Making a DVD of Ogg
Theora?  No problem!

Encoding?  Depends on the patents involved, the licensing around the
patents, and so forth.

The results of the encoding?

The H.264 patent group has recently released yet another wave of grace
over mpeg-4 streams free to end users would not have to have royalties
paid on the *streams*.

Of course what free to end users is creates another whole bag of
worms.

I looked into making DVDs with one of my Debian machines at one point,
and quickly accumulated a long list of things that had been
intentionally
left out of Debian due to clear-and-present patent dangers, and that I
decided against pursuing *not* out of fear for the *technical* issues
involved (pshaw!) but out of fear that I end up setting myself up for
some patent-troll to `pursue a cross-licensing relationship with' me
(did I get that euphamism right?) in the future.

You have to watch those relationships with Trolls.they create really
ugly offspring.

Now I think I am going to have a beer.I need a beer

md

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