[maemo-users] Steve's Ranty Review #1: N800 ogg support

From: Michael Wiktowy michael.wiktowy at gmail.com
Date: Fri Oct 19 03:37:38 EEST 2007
On 10/18/07, Tilman Vogel <tilman.vogel at web.de> wrote:
> Hi!
> First of all: Thanks for your review! You wouldn't believe how few
> feedback you get these days: The mogg d/l counters show that quite some
> people try it, but we get no feedback. So you're tempted to believe
> everybody is happy. So thanks again!
> Steve Greenland schrieb:
> > Current state of ogg support, 17-October-2007.
> >
> > Firstly, for some unknown reason there are *two* different ogg support
> > packages. One, from Tuomas Kulve, I'll call 'ogg-support'. The second,
> > by Marko Nykanen and Tilman Vogel (according to the garage page,but see
> > below), is 'mogg'.
> Yes, this is unfortunate. I think "mogg" existed first and I was
> surprised about the second attempt, but on the other hand at that time
> none of the mogg people had an IT OS 2007 scratchbox set up, so nobody
> can be blamed. I (silently - my fault) had hoped somebody (maybe Tuomas
> Kulve) would contact us to join on mogg some day and support it on the N800.
> Anyway, I did some clean-up work on the gstreamer tremor plugin. Some of
> these changes make it work with the maemo audio player and kagu. The
> changes are documented and can easily be diffed between the upstream
> tremor plugin and the mogg version.
> I mentioned this to Tuomas Kulve and he offered me to join his project.
> I have not responded yet and the reason is that he tries to maintain the
> whole gstreamer-plugins-bad package. I didn't want to do this as I was
> just interested in the tremor codec and because the package is quite
> edgy, I decided to separate the tremor plugin into its own package. I am
> really not keen on going back to the "bad" package. Actually, as soon as
> tremor get's "kind of" maintained again, it should leave the "bad"
> package anyway. Plus, I don't have an N800, so, blame me, I am a bit
> egoistic about investing more work in this, but vice versa, I'd be happy
> to have N800 developers (Tuomas?) on the mogg project!
> > Mogg is available from r.m.o extras. Yea. The packages file shows the
> > maintainer for 'mogg' to be Jussi Kukkonen. Libraries are pulled from
> > r.m.o when available, no obvious dupes.
> Ok, I'll update that soon. Jussi Kukkonen recently left the project out
> of time constraints.
> > Onto the players.
> >
> > Built in media player: doesn't work. Mogg claims that it should (and
> > maybe it does in the IT2006 version), but it doesn't even find the files
> > on the card. (It does find MP3s.)
> Ok, I am interested in this because it works on IT OS 2006. Do you have
> any hints, which files might be missing/wrong?
> /usr/share/mime/packages/ogg-vorbis.xml
> should register "*.ogg" as "audio/x-vorbis" and it seems on IT OS 2006,
> the audio player shows all files of type "audio/*".
> > So, long story short (too late!) I'm using kagu with the mogg libraries.
> Yes, me too.
> Thanks again!

This is good discussion. I hope that all the splintered ogg
implementations come together. I have not gotten any of them to work
satisfactorily on the built in media player and only maginally on some
of the third-party players. The ogg/tremour codec should be pushed
down the the infrastructure level ... it is a bit crazy to carry
around multiple versions of it so that oggs can be played in different
players ... especially on an embedded device.

I would seem that everyone (including Nokia) is waiting for someone
else to pull everything together. Maybe all implementors can get
focused around the appropriate bugzilla (
https://bugs.maemo.org/show_bug.cgi?id=176 ) and hash out a common
gstreamer codec so that everyone can benefit from it and benefit from
any future fixes. Now is the time since everything (including all the
media players) will need to be rebuilt for Chinook.


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