[mythtv-users] VDPAU support on 0.21-fixes

[Paul Kendall]

On Wednesday 28 January 2009 16:36:54 Jean-Yves Avenard wrote:
> Hi
>
> 2009/1/28 Nick Rout <nick.rout at gmail.com>:
> > I have a slightly different slant to my question. Here in NZ our only
> > unencrypted HD provider broadcasts in paff interlaced h264 with
> > LATM/AAC sound. mythtv 0.21 doesn't handle either the sound or the
> > video without patching, and even then requires a truck load of cpu
> > power. This issue also affects some other markets, notably Norway.
> >
> > Paul Kendall (confusing having a Mark & a Paul!) has a ppa repo with a
> > patched 0.21 that handles these issues. See
> > https://launchpad.net/~paul-kcbbs/+archive
> >
> > My thought is that it would be almost perfect to have a
> > 0.21-fixes+vdpau+paul's_patches
> >
> > I am not sure how much of the h264-latm-aac stuff that Paul
> > incorporates is already in -fixes, or whether this would require
>
> None by the look of it...
>
> I just had a look at his package, and how he has built those packages
> make it very hard for me to estimate how hard (or how easy) it would
> be for me to adapt for the VDPAU mod.
>
> Rather than developing a set of patches that you apply on the clean
> 0.21-fixes, he has modified the main code directly.
>
My reasoning behind what I did was that I was also updating the libav code as 
well and that would be a major patch if it was done that way.

> The way mythbuntu and most people have build packages, you start from
> the official 0.21-fixes code, then in your package you create patches
> that you apply to the main code... It's very easy that way to keep
> separate your code from the main one...
>
> Here he has made a combination of both...
> Modified directly the main code, and have a set of patches on top of
> that:  the original mythbuntu patches and some more.
>
> BTW, I have many of those patches in my ubuntu packages too, in
> particular the ability to change between tuner cards transparently
> etc..
>
> > applying both sets of patches (with the difficulties that may create).
> > I am no programmer and my hacking is generally restricted to the odd
> > bash/python/perl script.
> >
> > And please don't think I am demanding you incorporate any other
> > patches or anything, I am merely seeking any comments on the viability
> > of both sets being used together.
>
> I would probably be easier for the author of this package to
> incorporate my patches rather than the other way round...
>
> I will look at what he has changed and see how easy it would be to adapt..
> The other issue is that I only release what I know for certain works
> ... and I have no way of testing as I do not live in NZ !
>
> Jean-Yves

I have a patch for the LATM/AAC only stuff in Trac
http://svn.mythtv.org/trac/ticket/5487

Cheers,
Paul