Re: [Flightgear-devel] [ANN] fgcom VoIP-package version 1.0

2007-09-17 Thread Holger Wirtz
Hi,

On Thu, Sep 13, 2007 at 10:11:36PM +0200, AnMaster wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA512
 
 None of the deps seems to exist on gentoo. I can't find these in portage at 
 all:
 asterix, libiaxclient, axclient (or under any other name I can think of)
 libgsm1
 portaudio is is only in version 18 not 19
 
 Could you maybe provide links the the websites for all of the deps so users of
 other distros can find them...

Ok, that's the problem with the VoIP-technology... it is highly
dependend on the audio architecture and it seems that some distros have
different interpretation of the usage of codecs.

I will checkout the libiaxclient and try to get a stripped donw version
running which will fit the usage for fgcom. Maybe this will solve my
problems biulding a static binary...

Regards, Holger

 
 /AnMaster
 
 Jon Stockill wrote:
  Holger Wirtz wrote:
  Jon,
 
  On Thu, Sep 13, 2007 at 10:38:42AM +0100, Jon Stockill wrote:
  [...]
  The major obstacle to building this on any other platform (even any 
  other linux distribution) is your use of the debian libgsm1 package. The 
  upstream source for this builds *only* a static library - fgcom expects 
  this to be available as a dynamic lib. I've got an etch machine 
  available, so I'll try building on that later.
  Thanks for feedback!
 
  I tried to get a static binary of fgcom but I failed with libiaxclient
  getting linked staticaly.
 
  I am not a good C programmer... maybe I should try to link against the
  static libgsm? How to do this?
  
  I have absolutely no idea - I'm not a programmer either.
  
  If you're not using any of the compressed voice codecs is it possible to 
  build libiaxclient without support for them? That'd significantly reduce 
  the number of dependencies.
  
  Jon
  
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[Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Holger Wirtz
Hi,

yes, I know: this is discussed again and again and ...

I wrote the VATSIM developers an email and described the functionality
of FGCOM. They answered that they will have this in mind but currently
they will keep their own VVL (VATSIM Voice Library).

But they asked me if I want to write something like a VATSIM-proxy for
FG to get arround the GPL problem. This proxy has to be closed-source.

What's the meaning of the developers list?

I have my own position: I think it would be very interesting to write
such a software and it might be solve some problems in bringing up a parallel
community to get ATC services. But I think that it would be difficult to
set up closed source software by asking the open community to solve
problems and on the other side keeping back information why this
problems are around...

Personaly I think not to do this. 

Regards, Holger

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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Ralf Gerlich
Hi!

I have worked previously on a KDE port of the ProController client (now
replaced by ASRC) and maybe I'm a bit bitter about my experience at that
time. Therefore I'm not trying to give answers here, but just ask some -
possibly suggestive ;-) - questions.

Holger Wirtz wrote:
 But they asked me if I want to write something like a VATSIM-proxy for
 FG to get arround the GPL problem. This proxy has to be closed-source.

Hrm, so they are interested in getting FlightGear users into the boat,
but they are not willing to open their protocol? How big can that
interest in FlightGear users be relative to the interest in keeping
their protocol obscured? Might that be some security-by-obscurity thing?

Cheers,
Ralf


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[Flightgear-devel] flashing AIModel aircraft

2007-09-17 Thread kennorris9
  A short background;  I have an external FDM that provide up to 6 aircraft 
that I want to display.  I tried several approaches using the multiplayer port 
and AI code but the aircraft were not position stable, i.e. they moved around 
in 3d space.  To correct for this I tried to re-write the main code to handle 
more than 1 aircraft, that didn't work.  I now have a working solution that 
brings all of the position data for all of the aircraft in using the net_fdm 
structure.  The data is separated in the native_fdm functions and calls a new 
class in the AIModel that loads the aircraft model and writes the data to the 
simgear scene.  All of my aircraft are position stable, because all of the 
aircraft are time synced together.
 My problem is the displayed models are flashing.  I think the update to 
the simgear scene is slower than the screen update and the model is drawn and 
then not drawn.  I hope this makes sense.  The only 3d model that is 
continuously drawn is the primary aircraft, all aircraft position via the 
AIModel code are flashing.  What can I do to ensure the models are also 
continuously drawn?  I am so close to a final display

Thanks for any insight

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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Curtis Olson
On 9/17/07, Ralf Gerlich wrote:

 Holger Wirtz wrote:
  But they asked me if I want to write something like a VATSIM-proxy for
  FG to get arround the GPL problem. This proxy has to be closed-source.

 Hrm, so they are interested in getting FlightGear users into the boat,
 but they are not willing to open their protocol? How big can that
 interest in FlightGear users be relative to the interest in keeping
 their protocol obscured? Might that be some security-by-obscurity thing?


Here are a couple of my thoughts ...

1. Closed protocols can be a pain, but if that's the way they want to do
things, we have to honor their wishes.  I'm not in the fanatical open-source
camp that insists that all software and all protocols should be 100% open.
People have to be able to put food on the table and pay their bills.  I
agree that keeping the protocol closed only gives you a false sense of
security, and probably slows development and improvements ...

2. In terms of who does the interfacing work, us or them.  I think that
boils down to who benefits.  I suspect that the FlightGear users will have a
bigger benefit from getting access to the vatsim world than visa versa.
Based on what I've seen on the multiplayer servers, we might only add a
dozen or so users to the vatsim world at any one time.  So if we benefit
more than them, we can't get too uptight about who does the actual work, and
it probably makes sense for one of our developers to do the honors.

3. I'll just toss in this unrelated item ... a week ago I got to fly on a
NWA A330.  This aircraft had individual movie/music/game/map displays for
each seat.  I managed to hang/lock mine up ... apparently because the map
wasn't working on this flight for some reason.  So I asked the flight
attendent to reset the display and when she did, it booted Linux of all
things!  I thought that was interesting.

Regards,

Curt.
-- 
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http://baron.flightgear.org/~curt/  http://www.humanfirst.umn.edu/
http://www.flightgear.org
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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread John Wojnaroski
Jon Stockill wrote:

Curtis Olson wrote:

  

2. In terms of who does the interfacing work, us or them.  I think that 
boils down to who benefits.  I suspect that the FlightGear users will 
have a bigger benefit from getting access to the vatsim world than visa 
versa.  Based on what I've seen on the multiplayer servers, we might 
only add a dozen or so users to the vatsim world at any one time.  So if 
we benefit more than them, we can't get too uptight about who does the 
actual work, and it probably makes sense for one of our developers to do 
the honors.



This needs to take into account the platforms that flightgear is used 
on. If it's closed source then ideally whoever produces the app is going 
to need the capability to build (at the very minimum) linux, mac, and 
windows binaries, since handing the source over to someone else to let 
them build for their own platform isn't an option.

  

Duuuh,  if anyone would have bothered to read and digest earlier emails 
posted, they would know that Pep Ribal already has a working 
relationship and agreement with the IVAO folks to interface with 
Flightgear and is working these issues plus many others.  Instead of 
beating our gums and wringing our hands perhaps we should all pitch in 
and give him a hand.

Just my .0.02$

JW


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Re: [Flightgear-devel] Linux in real-world aviation (was: FG and VATSIM)

2007-09-17 Thread Robin
Curtis Olson wrote:
 3. I'll just toss in this unrelated item ... a week ago I got to fly 
 on a NWA A330.  This aircraft had individual movie/music/game/map 
 displays for each seat.  I managed to hang/lock mine up ... apparently 
 because the map wasn't working on this flight for some reason.  So I 
 asked the flight attendent to reset the display and when she did, it 
 booted Linux of all things!  I thought that was interesting.

 Regards,

 Curt.
 -- 
 Curtis Olson - University of Minnesota - FlightGear Project
 http://baron.flightgear.org/~curt/ 
 http://baron.flightgear.org/%7Ecurt/   
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Linux isn't FAA certified so it's not used for mission-critical systems 
but in-flight entertainment systems would be very useful on Linux. You 
managed to figure out what distro the Airbus was running? Some custom one?

I do know that there is enough FAA certified hardware on the market 
capable of running RT-Linux, and I expect to see some of that hardware 
bleeding onto the instrument market. The A380 already does PC-based 
systems in its flight deck, although probably not in its entirety. 
Programming instrumentation in OpenGL is the way to go, and the avionics 
manufacturers picked that up, look at the ARINC661 standard for example.

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Re: [Flightgear-devel] Linux in real-world aviation (was: FG and VATSIM)

2007-09-17 Thread Curtis Olson
On 9/17/07, Robin [EMAIL PROTECTED] wrote:

 Linux isn't FAA certified so it's not used for mission-critical systems
 but in-flight entertainment systems would be very useful on Linux.


Yup and if they are running it on a couple hundred seats, individually,
there would be no need to pay the license fees to MS which would add up
really fast ... especially since they like to charge per potential user.
:-)

You
 managed to figure out what distro the Airbus was running? Some custom one?


My best guess is a debian derivative, probably stripped down for this
specific application.  I saw the debian penguin come up at the head of the
console boot messages ... only one penguin so it looks like a single
processor.  I don't know what the actual hardware really is ... I'd be
surprised if they had one CPU per seat ... maybe they were doing some sort
of virtualization?  Interesting to see.  Apparently my seat neighbors were
not nearly as excited as I was to find out the entertainment system was
running linux ... :-)

Regards,

Curt.
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http://baron.flightgear.org/~curt/  http://www.humanfirst.umn.edu/
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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread leee
On Monday 17 September 2007 17:30, Ralf Gerlich wrote:
 Hi,

 Jon Stockill wrote:
  This needs to take into account the platforms that flightgear is used
  on. If it's closed source then ideally whoever produces the app is going
  to need the capability to build (at the very minimum) linux, mac, and
  windows binaries, since handing the source over to someone else to let
  them build for their own platform isn't an option.

 Not necessarily. I think, Holger was talking about some kind of proxy
 server. In terms of server OS, we don't need to be that picky, although
 I would term it a benefit if the server could be run on all OS'
 flightgear runs on.

 Curt, as far as I understood it, VATSIM asked Holger wether he wanted to
 write such a proxy, which I interpreted as an expression of interest
 from their side, so I don't think that the interest is single sided.

 Of course we could benefit from an integration with an already
 established network with a huge number of participants. My work with the
 technical staff of the VATSIM network was some time in the past, so
 maybe something has changed. However, from what I had seen in those days
 and the fact that the protocol is still closed, I'm a bit suspicious.

 BTW: I didn't know that VATSIM is commercially dependent on closing down
 the protocol...

 I will drop out of the thread here, because this is getting more
 destructive criticism than I wanted it to become...

 Cheers,
 Ralf

I was assuming a proxy at their end too.  The workload isn't high for proxy 
services.

Re their closed protocol - I don't think they want to keep it closed for 
security reasons.  If the proxy runs on the client it will be sending _their_ 
protocol out of _your_ box, so it would be simple to analyse.  Presumably, 
their protocol comes out of windows boxes already, and will have already been 
analysed.

Alternatively, and as it would be a low workload service, it could probably be 
done in java if you want to run it on the client.

LeeE


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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Jon Stockill
Curtis Olson wrote:

 2. In terms of who does the interfacing work, us or them.  I think that 
 boils down to who benefits.  I suspect that the FlightGear users will 
 have a bigger benefit from getting access to the vatsim world than visa 
 versa.  Based on what I've seen on the multiplayer servers, we might 
 only add a dozen or so users to the vatsim world at any one time.  So if 
 we benefit more than them, we can't get too uptight about who does the 
 actual work, and it probably makes sense for one of our developers to do 
 the honors.

This needs to take into account the platforms that flightgear is used 
on. If it's closed source then ideally whoever produces the app is going 
to need the capability to build (at the very minimum) linux, mac, and 
windows binaries, since handing the source over to someone else to let 
them build for their own platform isn't an option.

Jon

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Re: [Flightgear-devel] Linux in real-world aviation

2007-09-17 Thread Robin
Ralf Gerlich wrote:
 I don't know whether this should be termed a good thing. Or why should
 Linux-advocates be proud of their operating system being seen rebooting
 on two independent instances? ;-)

 Cheers,
 Ralf
   
They would be more concerned about what was happening BEFORE the reboot. 
The fact that the system reboots only proves the fool-proofness of it, 
as the IFE system comes happily back up again and continues what it was 
doing before :)

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Re: [Flightgear-devel] Linux in real-world aviation

2007-09-17 Thread Curtis Olson
On 9/17/07, Robin [EMAIL PROTECTED] wrote:

 Ralf Gerlich wrote:
  I don't know whether this should be termed a good thing. Or why should
  Linux-advocates be proud of their operating system being seen rebooting
  on two independent instances? ;-)

 They would be more concerned about what was happening BEFORE the reboot.
 The fact that the system reboots only proves the fool-proofness of it,
 as the IFE system comes happily back up again and continues what it was
 doing before :)


In my case the map application hung, presumably waiting for non-existant
flight data since there was a message at one point that mapping services
were not going to be available on this flight (which I ignored and tried
anyway.)

So a reboot is something a flight attendent knows how to do and can do
quickly, versus logging in remotely, killing some application, restarting
some other application, etc. etc. :-)

Curt.
-- 
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http://baron.flightgear.org/~curt/  http://www.humanfirst.umn.edu/
http://www.flightgear.org
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Re: [Flightgear-devel] Linux in real-world aviation (was: FG and VATSIM)

2007-09-17 Thread Durk Talsma
On Monday 17 September 2007 18:41, Curtis Olson wrote:
 My best guess is a debian derivative, probably stripped down for this
 specific application.  I saw the debian penguin come up at the head of the
 console boot messages ... only one penguin so it looks like a single
 processor.  I don't know what the actual hardware really is ... I'd be
 surprised if they had one CPU per seat ... maybe they were doing some sort
 of virtualization?  Interesting to see.  Apparently my seat neighbors were
 not nearly as excited as I was to find out the entertainment system was
 running linux ... :-)

Funny, I had actually the same experience, on the same aircraft type / 
airliner on my last flight back from the US (Detroit - Amsterdam, May 17, 
Northwest, A330). The entertainment system crashed midway during a movie, and 
spontaneously rebooted, showing the penguin. 

Cheers,
Durk

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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Ralf Gerlich
Hi,

Jon Stockill wrote:
 This needs to take into account the platforms that flightgear is used 
 on. If it's closed source then ideally whoever produces the app is going 
 to need the capability to build (at the very minimum) linux, mac, and 
 windows binaries, since handing the source over to someone else to let 
 them build for their own platform isn't an option.

Not necessarily. I think, Holger was talking about some kind of proxy
server. In terms of server OS, we don't need to be that picky, although
I would term it a benefit if the server could be run on all OS'
flightgear runs on.

Curt, as far as I understood it, VATSIM asked Holger wether he wanted to
write such a proxy, which I interpreted as an expression of interest
from their side, so I don't think that the interest is single sided.

Of course we could benefit from an integration with an already
established network with a huge number of participants. My work with the
technical staff of the VATSIM network was some time in the past, so
maybe something has changed. However, from what I had seen in those days
and the fact that the protocol is still closed, I'm a bit suspicious.

BTW: I didn't know that VATSIM is commercially dependent on closing down
the protocol...

I will drop out of the thread here, because this is getting more
destructive criticism than I wanted it to become...

Cheers,
Ralf

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[Flightgear-devel] FSWeekend 2007

2007-09-17 Thread Durk Talsma
This is just a quick note to remind everybody that FlightGear is intending to 
have a booth at the Dutch FlightSim event FSWeekend, organized November 3  4 
at the aviodrome in Lelystad. 

As it looks right now, Martin Spott and I will be organizing the booth, and we 
are currently still looking for some volunteers for assistance. If you are 
around and would like to make a contribution to flightgear, this might be 
your chance. If you're interested, feel free to contact me either on or off 
list. 

Thanks,
Durk


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Re: [Flightgear-devel] Movie Special Effects Request from Aerotro

2007-09-17 Thread Forums Virgin Net
F.A.O. Robin van Steenbergen [EMAIL PROTECTED]
Dear Robin,
Thanks that is very kind of you, primarily at the moment
I am trying to make the movies rely more or less on what flightgear has to
offer in it's software based code. To many external special effects
will deviate from what FlightGear has to offer visually. I am using
Text to Speech but only for me to tell a story which of coarse most of us 
already
know from the credits that the speech is an extra. I will consider what you
say though because it is very difficult to add visual effects using Nero
Digital it has a lot of short falls, and does hinder my plans a lot.

I do have some action scenes planned however, as with any movie people do want 
to see some action sequences, I am going to be careful though about what if 
anything gets blown up, this mostly relies on the story obviously - I certainly 
am not going to be using any terrorist scenarios, only fictionalised and 
ridiculous situations that would not really happen ;) I have been experimenting 
with other software this week, but have not got the hang of it yet.


To have some rendering done external does pose another problem however with
the continuity or picture resolution in size and quality? I am not sure how
well I can integrate different video source's into one stream. The
bit rates and frames would have to match exactly? maybe. I have had some
problems in the past with different video source material when trying to
encode it and mix it into one stream. Maybe you have some idea's about these
problems?

Currently to maximise my fps in flightgear I use a half size initial
capture, then I upsize to a higher resolution while I reprocess the video
streams to minimise any further quality loss. here are the statistics of the raw
capture stream -
Video: FPS1 512x384 25.00fps 16806Kbps [Video 0]
Audio: PCM 44100Hz stereo 1411Kbps [Audio 1]

I use these streams in Nero Digital for editing and compilation, to both
save on disk space and for manageability on my PC, I recently upgraded my
memory so I may have a go at capturing at a high full screen size, but past
experience has given some strange results, usually text and fonts are less
clear than when using half size? I don't know why this happens.

I would prefer the special effects that is currently being developed in
FlightGear such as these 
http://home.arcor.de/vollnhals-bremen/Catalina/CatFFTest

AndersG and Helijah have been a great help with the Ogel and a few other things
such as the Cow mounted on the Lightening, and their is some secret movie stuff 
in the pipe which wont be seen until part 3 etc. 

I know many people are a bit against bombing and weaponry in flightgear, but 
this is really about
entertainment value and is not about promoting violence, I hope that as my 
story unfolds any negativity will be offset by the morals in the story, most of 
which I have yet to script.

It is interesting you mentioned the intonation with the speech, I have been 
slowly developing some remodulations and profiles which I save for later use, 
having the speech engine simulate anger and stress in the voice patterns is not 
an easy task to do with speech engines.

I use an older version of Cool Edit, (before it was bought out) to change the 
intonation. 

Please stay in touch Robin I am sure I might need you for some special effects 
later if I have difficulty :o)

Best Regards, Aerotro  Ortorea


Former message snipped
- Original Message - 
From: Robin van Steenbergen [EMAIL PROTECTED]
To: Forums Virgin Net [EMAIL PROTECTED]; FlightGear
developers discussions flightgear-devel@lists.sourceforge.net
Sent: Monday, September 10, 2007 10:46 PM
Subject: Re: [Flightgear-devel] Movie Special Effects Request from Aerotro
credit list snipped
 Do the graphics have to be rendered in FG? Otherwise I might be able to
 import the Oleg model in LightWave along with the SU-37 and make some
 renders from there. Should also improve the lighting and graphics
 quality to make it more natural.

 Flame Throwers can be done with FXHome VisionLab (which I have, as a
 member of Fan Trek Productions), check out our YouTube here:

 http://www.youtube.com/user/FanTrekProductions

 If you want to expand on this, you might be able to add live spoken
 dialogue instead of the scripted one (as the scripted dialogue loses a
 bit of its comic touch due to a lack of intonation) and maybe mix in
 some live-action sequences at a later stage or at a next project.

 Nice to see some other film maker on the FG list though!
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Re: [Flightgear-devel] And again: VATSIM and FG?

2007-09-17 Thread Holger Wirtz
Hi *,

On Mon, Sep 17, 2007 at 10:52:55AM -0500, Curtis Olson wrote:
 On 9/17/07, Ralf Gerlich wrote:
 
  Holger Wirtz wrote:
   But they asked me if I want to write something like a VATSIM-proxy for
   FG to get arround the GPL problem. This proxy has to be closed-source.
 
  Hrm, so they are interested in getting FlightGear users into the boat,
  but they are not willing to open their protocol? How big can that
  interest in FlightGear users be relative to the interest in keeping
  their protocol obscured? Might that be some security-by-obscurity thing?
 
 
 Here are a couple of my thoughts ...
 
 1. Closed protocols can be a pain, but if that's the way they want to do
 things, we have to honor their wishes.  I'm not in the fanatical open-source
 camp that insists that all software and all protocols should be 100% open.
 People have to be able to put food on the table and pay their bills.  I
 agree that keeping the protocol closed only gives you a false sense of
 security, and probably slows development and improvements ...

I have a simple problem with the copyright of such a proxy. When the
protocol (and therefore the application) is closed source who can
distribute the proxy? The writer of the code does this not for money and
he cannot be sure if the program is selled in future or only distributed
with reservations.

Currently I have no interest in writing code for applications where
someone else can define who and under which conditions the software
gets.

But perhaps someone else has interest in writing a VATSIM proxy?

[...]

Regards, Holger

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