This section will give you a brief overview on how to control the video cam via the firefox or safari browser and how to get a nice video stream on a Mac with OS X running. I will try to keep it as simple as possible to archive a good result. You will see that it is not a big deal.

''Note: The standard IP address of an Elphel Camera is '''192.168.0.9'''. I've changed the IP address of the camera for my network to '''192.168.1.2'''.''

<h2>Used Configuration</h2>

<h3>Hardware</h3>

* Mac Book Intel Duo Core, 2Ghz, 2GByte Ram, 128 GByte Solid State Drive
* Elphel Camera Model 353, 10338 sensor board, 10336 Interface board, External Power
* Lense 4-8mm, C/CS Mount
* External Power Supply (Labratory, set to 15V and 0,5A)*
* CAT5 Cable, straight, modified for external power supply (not PoE!)*

''*Note: In case you're camera uses PoE (48V), refer to [[Using_the_cameras | Using the Camera ]] for a description on how to use PoE. If you're using external power (9-36V), check polarity twice before applying power. You can cause damage to the camera and computer/equipment in case of reverse polarity.''

<h3>Software</h3>

It is possible that different version might work as well, but I haven't tested. Most probably all software versions higher than the below listed will work.

<h4>Software on the Mac</h4>

* OS X Leopard 10.5.3
* [http://www.mozilla-europe.org/en/firefox/ Firefox 3.0.3]
* Safari 3
* Quicktime Player 7.5.5
* [http://www.videolan.org/vlc/ VLC (0.9.6)]
* [http://www.mplayerhq.hu/ Mplayer 1.0rc3]

<h4>Software on the Cam</h4>

* elphel353-8.0

<h2>General and Network Configuration</h2>

After connecting the camera via the CAT5 cable to the computer and applying power to the camera (PoE or External), the yellow LED on the backside should be on. The green LED starts flashing as soon a datatransfer between the computer and the cam is established.

The network settings of the cam are:

* IP: 192.168.0.9 (standard -> I use 192.168.1.2)
* Netmask: 255.255.255.0

Check the network configuration on Leopard

--->System Configuration
- - - - - - - - - -->Network
- - - - - - - - - - - -->Ethernet

[[Image:SystemConfiguration.jpg]]

The standard setting to obtain an IP address is '''DHCP''' . As soon as you connect the cable to the cam, Leopard will try to get an IP address. Since the camera does not work as DHCP server, Leopard will assign itself an IP address. You can leave it by that, if you don't want to create you're own network. Else, choose IP settings '''Manual''' and enter your IP configuration (the cam and the computer must be on the same subnet).

<h2>The Camera in a Webbrowser</h2>

Apples Webbrowser ''Safari'' as well as Mozillas ''Firefox'' (see the versions I used and higher) do support the features needed to open the webinterface on the Elphel camera. Both will open a second window, so popups should be allowed for <nowiki>http://192.168.0.1</nowiki>. Right after you have entered the URL, a notice from Elphel pops up. After confirming, the camera control panel including a JPEG taken from the camera appears. The JPEG will be refresh every few seconds - depending on the settings on the camera, which can be changed using the camera control panel.

<h3>Safari</h3>

''three screen shots come here''

<h3>Firefox</h3>

''three screen shots come here''

<h2>Media Player/Streamer</h2>

I've tested three different media players/streamer to view the real time stream from the camera. All worked (almost)fine and do their work. If you just want to watch the stream, Quicktime will do it. If you want to manipulate or stream the video, you will need VLC or Mplayer (or Quicktime Pro). Here a short list of my last experiences and some screen shots.

''Note: I've found a recommandation from live555 to use VLC instead of Mplayer to view rtsp streams, since VLC shall run more stable. See this [http://www.live555.com/mplayer/ link] and decide yourself.''

<h3>Quicktime Player</h3>

''screen shots come here''

<h3>VLC</h3>

''screen shots come here''

<h3>Mplayer</h3>

Mplayer requires [http://www.live555.com/ live555] to stream the video, so you need to install live555 '''before''' installing mplayer. Best way to install mplayer and live555 is by using [http://www.darwinports.com/ Darwinport]. After (or if) you've Darwinports allready installed, just follow the instruction you can find [http://live555.darwinports.com/ here] to install live555, and [http://mplayer.darwinports.com/ these] instructions to install mplayer.

Other

Icecast

Possible Faults

...more content coming soon...

[[Category:Operating Systems]]
[[Category:Software]]

Tobiokanobi:

Everything related with software and Elphel

2008-11-28T23:13:38Z

Tobiokanobi: /* Rover Data Processing Overview */

==Team Frednet Overview==

Team FREDNET is an official competitor for the Google Lunar X PRIZE. The purpose of this
competition is to place a privately funded robotic explorer craft on the surface of the Moon.
The explorer must also satisfy certain requirements specified by the X PRIZE Foundation and
provided in more detail on the requirements link included below. Briefly, those requirements
include the transmission of near-real-time high-definition video from the Lunar surface to
our receiving station on Earth, while traveling at least 500m along an interesting and
controlled path. The X PRIZE Foundation also offers a bonus prize for exploring over an
additional 5000m (5km), and another bonus prize for surviving the intense cold of a Lunar
night then continuing to explore the Moon's surface after the Sun rises again. The grand
prize of US$20M (US$20,000,000.00 or US$20.000.000,00) is open to officially registered
teams to win up until the initial deadline of 2012/12/31. This prize amount is reduced if
no team has completed the mission by that time, and the prize becomes US$5M (US$5,000,000.00
or US$5.000.000,00) awarded to the team that completes the mission after 2008/12/31 but
before the contest termination date of 2014/12/31. See the detailed rules provided in
the link below for more information about the other prize amounts (second place, bonuses,
partial completion prizes, etc.).

[http://wiki.frednet.org/index.php/GLXP_Requirements_v2.0 GLXP_Guidelines_v2] (Note that Version 3 will be released in the near future.)

==Frednet Community==

Team FREDNET is a working Open Source Community, comprising members from six continents
and dozens of countries around the world. The Team is open for participation from anyone,
including people in both technical and non-technical roles, business, marketing, sales,
production, creative, analytical, educational, and much more. Our mission requires us
all to work together cooperatively and to incorporate many interdisciplinary skills. This
collaborative interdisciplinary approach shall be the seed of our success. The Team was
founded by Fred Bourgeois (Fred.Bourgeois@TeamFREDNET.org) and was one of the first 2 teams
to publicly announce their intent to compete for the prize. Team FREDNET rapidly grew
from a handful of developers (12) in September 2007, to more than 300-400 members today.
That growth is a witness of the incredible amount of interest in returning to the Moon,
from dedicated people all around our world. We are a new generation, with a new purpose,
asking not what our planet can do for us, but what we can do for our planet.

==What does Team Frednet want to archive?==

*Win the Grand Prize of the Google Lunar X PRIZE
*Win several of the Google Lunar X PRIZE bonuses, including:
** 5000m (5km) exploration distance bonus
** Survive the Lunar night and explore for a second Lunar day
** Explore historical artefact's (Apollo and other landing sites)

Also, although we did not initially set out to do so, we believe we are best positioned
to win the Google Lunar X PRIZE "Diversity Bonus Prize". Some of our competitors have
already suggested that that prize be awarded to Team FREDNET. Our position is that
diversity means that we are really all the same, because there are only two colors that
matter on Team FREDNET: our brains are all Gray, and our blood is all Red.

==Working Groups==

Team FREDNET's active working groups include

* Rover (WRV1 and Jaluro)
* Communication (all aspects: ground, space, lunar surface, network)
* Propulsion
* Lunar Hovering Vehicle (a.k.a. "Lunar Lander")
* Lunar Bus (the Trans-Lunar-Insertion craft)
* Lunar Orbiter
* Imagery Systems (Video and Still)
* Mission Control Systems
* Software (FREDWEB will implement some live video stream technology)
* Business & Organization
* Future Projects

While our members span the gamut of ages (age 8 - 80+), as an organization we are still
young. Our members have a variety of levels of education, experience, and background.
Many open questions and a great deal of work remains to be done. But we are learning fast,
dedicated to complete the tasks at hand, and working hard, with an amazing and unprecedented
level of International Open cooperation for a Space mission.

Some may ask why we are developing different Rover designs? We decided early on that the
best way to achieve success in our Lunar mission was to examine as many feasible solutions
as possible, and select and tailor the best of those designs to create the most viable craft.
The outer design and drive units of the rovers vary for that reason. This will allow us to
compare working prototypes and incorporate the best features in the final design, thereby

increasing our rovers probability of survival in the Moon's difficult environment. Many
components of the designs will therefore be modular and interchangeable. These component
modules include the electronic and software controls at the heart of the systems, as well
as both the still and video imagery systems.

==Summary of GLXP Requirements for Images and Videos (Version 2)==

Some requirements specified by the X PRIZE Foundation are not very exact (e.g. "framerate",
"near realtime video"). By our best estimates, the image and video technology offered by
Elphel is more advanced than the minimum requirements, and therefore provides a good solution
that allows us to meet these requirements. Please note, however, that the specific rules
provided by the X PRIZE Foundation are still subject to (hopefully now minor) revisions.

===Images===

* High quality, show intended contends clear and recognizable
* Minimum eight bits per pixel per color
* Signal to noise ratio 50:1 for scene of albedo approximately to 0.1
* Minimum Resolution: 0,3 millirands/pixel
* Color
* Calibrated for Color Correction
* Reasonable Resolution
* Reasonable contrast at the pixel level, such as would be provided with a system Sagittal and Meridional Modulation Transfer function of 40% in the entire focal plane for the entire spectral range at the Nyquist frequency

===Panoramic Images===

* Horizon Level
* Horizontal Dimensions: 360°
* Vertical Dimensions: 120°

===Detail Images===

* Logos clearly legible

===Videos===

* Near real time videos shall have the following attributes after processing
* Resolution: 320 x 240
* Bitrate: 256kbps
* High Definition Video shall have the following attributes after processing:
* Resolution: 1280 x 720 progressive scan (720p)
* All Videos shall be high quality
* Frame rate appropriate to the action in the frame, and which results in smooth motion
* In color
* Calibrated for color correction

==Additional Requirements for Team FREDNET's Mission==

===Video and Images===

If possible, Team FREDNET plans to exceeed the minimum requirements. E.g. we plan to provide
5Mpixel images, higher framerates (15fps, 29fps, ...), and more where this is technologically
feasible without significantly impacting the budget for the overall Mission.

===Environmental Conditions===
The Moon's surface creates a p
lethora of hazards to electrical and electronic systems. Because
of the importance of the video and imagery systems to Mission success, the cameras, lenses, and
sensing units must be afforded extra degrees of protection. The primary risks against which we
must take protective measures include:

* Radiation - primarily alpha, beta, and gamma rays
* Electromagnetic radiation
* Extreme heat (>370K) during journey to Luna and during the Lunar day
* Extreme cold (down to 2K) during journey to Luna and during the Lunar night
* Lunar Regolith (sticks to and penetrates everything. Lenses require extra protection)
* Shock/Impact due to collisions with obstacles, and travel over rough surface
* Vibration during Launch, Journey, and Landing
* Acceleration (high g-forces) especially during Launch and Landing
* Low Pressure Environment

Team FREDNET will develop a casing for the camera and sensor unit which provides sufficient
protection against these risks.

==Rover Data Processing Overview==

We currently have two different schematics for the data processing system of the Rover.
To minimize mass, size, and power consumption, we prefer the first design, but remain
flexible. The main difference between the two schematics is that in the first all data
processing (including encoding of the incoming video and images from the CCD/CMOS Sensor) is
done by one processor, while in the second multiple processors are utilized. Note that
depending on the rover design, there may be other changes, such as utilization of 2 or 4
motors, or utilization of a single heating system. The data storage device is not yet
specified, and depends on the availability of space-hardened high capacity solid state
data storage devices that meet the (as yet undetermined) requirements for buffering and
caching of streaming video, imagery, telemetry, and other required data.

[[Image:Schematic Rover 1.jpg|thumb|Basic Layout]]

==Contact Team FREDNET==
[http://www.TeamFREDNET.org Team FREDNET website]<br/>
[http://wiki.TeamFREDNET.org Team FREDNET wiki]<br/>
[http://wiki.TeamFREDNET.org Team FREDNET forum]<br/>

Fred Bourgeois (Team Leader): Fred.Bourgeois@TeamFREDNET.org <br/>
Rich Core (Mission/Program Manager): Rich.Core@TeamFREDNET.org <br/>
Wade Butcher (Business Leader): wade.butcher@teamfrednet.org <br/>
Alex Csete (Communication Leader): alex.csete@teamfrednet.org <br/>
Joerg Schnyder (Rover Leader): joerg.schnyder@teamfrednet.org <br/>
Tobias Krieger (Rover Development): tobias.krieger@teamfrednet.org <br/>

==Elphel and Team FREDNET==

Team FREDNET and Elphel are developing hardware and software under the terms of an Open
Source license. Hence, all data about hardware and software, including source code, designs,
documentation, drawings, and specification created in the course of this development process
shall be made freely available and published under the terms of the GPL or a similar Open Source
Technology license. This means that all developments shall be made freely available, but does
not in any way restrict the future commercial developments of Elphel or others based on use of
the technology. Active cooperation is therefore useful and mutually beneficial to both
organizations. In the course of this project, Team FREDNET can offer at least the following
benefits to Elphel
# Exposure of the Elphel brand on the Team FREDNET web sites, wiki, and forums
# Exposure of the Elphel brand and product lines to the Open Source communities
# Early opportunities to engage in media and press events (demos, launches, etc.) as a Team FREDNET business partner
# Inclusion in the Partners section of the [new] Team FREDNET web site.
# Include articles about Elphel (ours or yours) on our Blog/News and on the Google Lunar X PRIZE Blogs
# Early access to development news about future Team FREDNET products and services
# Potential to enter into Sponsor agreements under which the Elphel name and logo are "faded in" to streaming video broadcasts from the surface of the Moon.
# Potential to enter in Sponsor agreements to place Elphel logos on Landers, Rovers,and other Craft to be photographed during the Mission
# Potential to Sponsor other Media and Press Events, and to participate in Team Summits and Developer Conferences.

Additionally, Elphel gains a wide audience of knowledgable and experienced hardware and
software developers from around the world. While we cannot guarantee that this will lead to
an increase in use of Elphel solutions, empirical evidence suggests that developers who have
been given access to such systems tend to later re-use and specify systems with which they
are familiar to their clients, employers, and interested third-parties. Further, inclusion
and frequent mention in a high-profile and exciting proposition such as this will automatically
generate higher placement in search results on the numerous search engines. Being associated
with a high profile project will tend to generate more highly placed results, leading to more
interest from potential users of Elphel technology.

==Epilog==

This is only a very brief description of Team FREDNET and the current project status.
Please visit our website, wiki, and forums to get a broader view of the activities currently
in progress.

If you need more information, contact [[User:tobiokanobi | me,Tobias,]] or visit out official website at http://www.frednet.org