Re: [maemo-developers] Developing for IT2006

2006-06-28 Thread Jussi Pakkanen
--- Marius Vollmer [EMAIL PROTECTED] wrote:

 I am not even sure if services with a prefix other
 than com.nokia.
 are supported at all.  You might try a com.nokia.
 prefix and if that
 works but not your own prefix, yell loudly.

Prefixes other than com.nokia do not work. See here:

https://maemo.org/bugzilla/show_bug.cgi?id=602


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[maemo-developers] Re: Playback of MPEG2?

2005-11-09 Thread Jussi Pakkanen
--- [EMAIL PROTECTED] wrote:

 on the Nokia webpage I saw the hint that the N770
 can playback MPEG4, Real Video, H.263, ... (see
 IceAge trailer)
 But do we have a change to playback MPEG2 video
 files? (e.g. DVB-S recordings or DVDs)
 Is the HW fast enough (with accelerator if any)?

There are two problems: 1) the CPU and 2) memory bus.
The CPU (even with the DSP) is not fast enough to
unpack DVD or DVB resolution video. The even bigger
problem is the memory bus, or to quote someone from
#maemo: The 770's memory bus is more like a memory
bicycle. The Ice Age trailer is approximately 200x300
pixels with 15 fps, and even that is a bit jerky.

Another problem is the file size. Most DVD movies are
over 4 gigs, while the biggest RS-MMC card you can buy
is 1 gig (AFAIK). I also seriously doubt the WLAN is
fast enough for streaming full rate.

So no, you probably can't do that. But you can
transcode your video to MPEG4 using Mencoder. The
instructions can be found in the wiki. I have done it
myself and it works just fine. 20-30 minutes of video
takes only ~80 megs and is quite watchable.




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Re: [maemo-developers] OGG support

2005-10-31 Thread Jussi Pakkanen


--- Martin Grimme [EMAIL PROTECTED] wrote:

 I have written a little program which can fluently
 play OGG Vorbis
 files on the device. This shows that OGG support is
 technically
 possible and, by utilizing the DSP, it could even be
 implemented more
 efficient.

That's cool. There has been some confusion on why
there is no official OGG support. As far as I can
tell, the situation is as follows (note: I'm not
working for Nokia or any other such company, and I
don't actually know any hidden, hard facts. Consider
the following an educated guess)

The lack of OGG is caused by two things. The time
shortage has already been mentioned on this list.
There have been semi-reliable rumors that
DSP-accelerated OGG is now working somewhere in the
vaults of Nokia.

The other reason is a combination of lawyers and SW
patents. As far as people can tell, there are no
patents on OGG. But a company the size of Nokia can't
rely on that. They have to check and then double check
for themselves, which is a slow process. Their lawyers
simply will not allow an unchecked release, because
otherwise some IP poachers could sue them for millions
of dollars due to patent infringement. Given the
current (sorry) state of patent laws, this is
unfortunately the way it _has_ to go.

Anyway, I'm fairly confident that the next (or the one
after that) SW release will support OGG. Until then
I'll just use this proggie to play my OGGs.


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