Phonon backends, was Re: Goals? How are we doing?

Thiago Macieira thiago at
Mon May 5 20:48:40 BST 2008

Matthias Kretz wrote:
>On Monday 05 May 2008, Sebastian Kuegler wrote:
>> On Monday 05 May 2008 16:46:48 Allen Winter wrote:
>> > Here's a list of our goals for 4.1.
>> > Please provide a status update, if you can:
>> >
>> > - GStreamer, Quicktime, DirectShow9 Phonon backends
>> This is something seems not solved yet. From re-reading related
>> discussions, I gather that the release strategy of Phonon looks like
>> Matthias describes:
>> On Saturday 29 March 2008 11:36:41 Matthias Kretz wrote:
>> > On releases:
>> > - libphonon gets released with KDE and Qt. KDE 4.0 shipped libphonon
>> > 4.0, Qt 4.4 will ship libphonon 4.1, KDE 4.1 will ship libphonon 4.2
>> > - phonon-xine will only get released with KDE
>> > - phonon-gstreamer get's released with Qt, but I will look into
>> > whether we want to release phonon-gstreamer with KDE 4.1, too
>> > - phonon-qt/ds will only get released with Qt unless some
>> > KDE-Windows/Mac developer wants to do something there
>> Last signs on core-devel said that the phonon backends in kdereview
>> required a newer Qt version than qt-copy at that point in time. I
>> assume that as soon as 4.4 hits qt-copy that is solved (or maybe it
>> even is already, status?). So those backends could then go with
>> libphonon 4.2 into ...
>> The question is wether we want to release the backends in kdebase or
>> in extragear?
>> The QuickTime7 backend won't build outside Qt, so we won't release it
>> (and it probably doesn't make much sense to do so anyway). The
>> question is how much sense it makes to have our own releases for those
>> backends as well. It would be worth it when we want to add features
>> and require them, and Qt cannot be updated in the meantime. Not sure
>> about the DS9 backend.
>> In any case, those backends have been in kdereview forever, which
>> isn't good.
>I'd like to move the gstreamer backend out of kdereview and into either
>kdemultimedia or kdebase for KDE 4.1.

Do you intend to have a copy in KDE/kdeXXX or the mainline development?

From the TT side of things, the mainline can be anywhere, as long as 
there's no freeze when TT developers are working on development.

>After 4.1, I think phonon and its backends will have to release
> independently of KDE.
>The GStreamer backend for 4.1 has an important difference to the one in
> Qt4.4: It integrates correctly into the device preference settings -
> just like the phonon xine backend does already.
>I don't want to move any of the other backends as I don't work on those
> and can't test them. As I don't know of any KDE people working on them
> or anybody interested in getting them into a KDE 4.1 release I see no
> point in moving them to a KDE module. They just need some open
> repository until Phonon has found its right place.

I also wonder about the upcoming backends. By the end of the year, we'll 
hopefully also have:

 - VLC
 - MPlayer
 - the Qt/Mac-Cocoa port one

  Thiago Macieira  -  thiago (AT) - thiago (AT)
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