-
...sensor/compressor modes for individual JPEG images but that will not work if the streamer is running without severe interruptions of the stream.
...work resources) request may be denied completely to avoid any frame drops (if some QoS was requested).
1 KB (188 words) - 16:37, 24 August 2008
-
Read this if you just received your camera and want to get it up and running for the fir
1 KB (159 words) - 01:22, 9 February 2011
-
...for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new fr
For example, if you distribute copies of such a program, whether gratis or for a fee, you m
17 KB (2,920 words) - 23:05, 29 October 2005
-
...he public is a licensee, and is addressed as "you". You accept the license if you copy, modify or distribute the work in a way requiring permission under
...tains nothing that could fall directly within that overall subject. (Thus, if the Document is in part a textbook of mathematics, a Secondary Section may
20 KB (3,279 words) - 23:04, 29 October 2005
-
...re a special adapter - or what is the sense to use a single-wire interface if we have to connect programming pins also. So there is an option that finall
3 KB (552 words) - 22:09, 23 September 2005
-
...enerating any interrupts but it is not difficult to add such functionality if needed.
5 KB (870 words) - 08:23, 3 October 2010
-
.... The user must [[Change API|select the interface]] that he wishes to use. If the [[ccam.cgi]] interface is [[Change API|selected]], an AJAX web-interfac
If you have installed netcardconfig-knoppix separately from our distro, it is
7 KB (1,201 words) - 09:17, 22 December 2008
-
...cuse not-so-good English of our developers and feel free to fix the errors if you see them.
If you intend to modify source code (GNU/Linux or FPGA), download [[ElphelSoft
22 KB (3,447 words) - 21:22, 16 February 2017
-
...cuse not-so-good English of our developers and feel free to fix the errors if you see them.
2 KB (309 words) - 15:14, 22 September 2005
-
...ave either 3 lines – in case of CCD sensor: one for each color – or 2, if the sensor is CMOS using Bayer pattern).
...better to stop the compressor and restart it only after everything is set. If image freezes it's better to reboot and start over.
9 KB (1,360 words) - 15:40, 30 January 2018
-
...be set directly on the Elphel camera and your settings in ZM must match. If the setting do not match, ZM will not acquire the image being sent.You shou
2 KB (375 words) - 13:13, 26 September 2008
-
instead of dotted-decimal IP addresses, even if the user doesn't have a
2 KB (322 words) - 14:12, 10 June 2007
-
Each peripheral frame can be hidden if the config file does not contain corresponding javascript array.
The peripheral frames, if presented, have fixed sizes. Top and bottom frames have height of 199 pixel
3 KB (441 words) - 18:01, 6 July 2006
-
if ((devfd = open("/dev/lb", O_RDWR))<0) return -1;
7 KB (331 words) - 19:09, 15 February 2006
-
If you already have a Debian or Knoppix system installed, you can add some of
The config script may ask you whether to make a bridge if your computer has several network cards.
9 KB (1,390 words) - 16:39, 24 August 2008
-
Most parameters are persistent, so if the value is not specified it will be assumed to remain the same.
...name'' ), 0); // read current actual value - driver modifies the set value if needed to match the valid range.
25 KB (3,953 words) - 23:08, 23 February 2008
-
:Not implemented. But it can be added in future if somebody has need in it.
10 KB (1,542 words) - 16:43, 24 August 2008
-
If you will make an image of a fast passing car with ERS with short exposure -
...d instead of nonexistent pixels zero values are fed to the output. But "as if" reading nonexistent pixels in each row (horizontal blanking) and rows of p
6 KB (947 words) - 17:47, 20 October 2016
-
....openstreetmap.org/index.php/JOSM JOSM] but much more interesting would be if the camera could actually point in the direction a photo was taken using a
...o know what frames are interesting and stores them that would be ''nice'', if we can progress with it and actually do ''detection'' and ''classification'
3 KB (561 words) - 04:51, 26 August 2008
-
...es to each block (~100,000). It is a big number for occasional writes, but if some program will write there flushing after each byte written - it will de
...uded in any file system and is not overwritten by the [[flashit]] utility (if "-a" switch is not included). In addition to the bootloader this sector hol
2 KB (368 words) - 16:40, 24 August 2008
-
...FPGA and other hardware and show results -- i.e. get JPEG image and check if the image is "normal". The interface should allow to configure all ktest pa
It seems really simple to implement flashing via USB Flash/HD. If the camera find /autoupgrade.sh script on the USB-flash during the boot it
4 KB (737 words) - 09:27, 19 July 2008
-
...pecial '''hardware inputs''' or just over the '''network'''. In most cases if you want to synchronize 2 or more networked cameras you do not need extra w
2 KB (369 words) - 13:48, 22 September 2008
-
if (camera.ptz) { // if the function is defined
if (XMLHttpRequest) {
3 KB (371 words) - 17:06, 5 December 2005
-
...hel cams when the usb daughter board will be ready. I am volunteer to help if that is of some interest.
624 bytes (112 words) - 09:05, 28 October 2005
-
...s permanently unbootable. The network boot code resides in the CPU ROM, so if flashing fails - you can always start over again.
...and FPGA will fight each other) and overheat fast - just unplug the power if this happens.
3 KB (441 words) - 11:24, 28 November 2007
-
...dual interrupt bits do not change the status of the interrupt requests, so if the interrupt causing event happened while this interrupt was disabled (mas
In responce to the INTA pulse from the CPU (it will be generated if "extrernally generated vector number" is selected) one of the 16 pre-progra
7 KB (1,176 words) - 04:36, 16 December 2005
-
;filepos=sec : go to time or percent specifed, maybe not works if mplayer is not support seeking for the current file;
;run=1: to start player again if it was terminated (by error or end of file);
6 KB (1,062 words) - 22:46, 17 April 2007
-
- add some code to recover if the sensor is stuck
2 KB (387 words) - 21:04, 10 April 2007
-
If you want to save the stream in separated JPEG-files, it is necessary to use
1 KB (233 words) - 14:36, 23 December 2005
-
If the compilation completes without errors, the executable files mplayer and
972 bytes (150 words) - 07:50, 20 November 2008
-
If you want to obtain the stream with non-specific parameters, a small trick i
...can also play files which are recorded from the MJPG stream. For example, if the stream was saved this way:
2 KB (327 words) - 09:04, 29 December 2005
-
*1920x1080p resolution at 24fps and up if possible
*about the recorder software if possible a Graphic interface that is easy to use with a touch screen lcd di
1 KB (199 words) - 14:27, 8 August 2006
-
...owser visible elements above/below the image area, url and refresh period (if any) will be passed to this window, and the last window configuration saved
...tried [http://webcams.elphel.com multi camera version]? (Some options work if you hold SHIFT while clicking. --[[User:Andrey.filippov|Andrey.filippov]] 0
3 KB (463 words) - 09:09, 29 December 2005
-
If any of the parameters are not specified, the default values are used. You c
'''Note'''. If the responseformat is not specified or specified incorrectly, the default v
5 KB (798 words) - 16:43, 24 August 2008
-
'''Note''' 192.168.0.9 - this is the default camera IP-address. If you have changed the camera IP-address, please, type your variant.
If some parameters are not assigned, the default value is used. You can see th
13 KB (1,916 words) - 16:42, 24 August 2008
-
'') if $NOFORK ; then break ; fi
if ! $0 -d 2>CDMAKE$$.tmp ; then
15 KB (2,238 words) - 13:38, 9 January 2008
-
if [ -z $answer ] ; then answer=$2 ; fi
if [ part=0 ]
7 KB (1,019 words) - 07:53, 17 March 2006
-
1. Install the cloop software if needed.<br>
CD=../cd.iso - path to CD image (if you are building CD). You may specify either CD image file or the actual CD
2 KB (363 words) - 07:48, 27 March 2006
-
if(ua.ie) this.css.filter='alpha(opacity=' + opac + ')';
379 bytes (60 words) - 17:38, 28 March 2006
-
'''If your question is not covered here please post it in: [[Q_and_A | Questions
Of course, if you do not have plans to distribute your modifications and intend to use El
12 KB (2,068 words) - 15:46, 15 June 2009
-
...to enable multicast. In unicast mode the camera only broadcasts the video if there is a client connection. Enabling multicast will mean that it is broad
If you want to add audio to your stream you just have to use a usb audio devic
3 KB (428 words) - 22:52, 8 June 2009
-
* This method is only recommended if the camera internal firmware is not fully operational (eg. network communic
* If the camera firmware is >8.0.7.4 it might be more convenient to use the came
2 KB (325 words) - 11:42, 16 January 2012
-
You can test if everything worked properly by opening a browser and going to:
If you get lots of xml output installation was successful.
2 KB (329 words) - 16:23, 19 April 2012
-
* If your camera is powered with the 48V (Midspan) power supply or equivalent ma
* If you have a 12-36V DC modified camera you received the power injector adapte
3 KB (441 words) - 01:42, 7 February 2011
-
=If you are new to GNU / Linux=
If you get some problems it is very useful to copy the error message that syst
21 KB (3,230 words) - 14:31, 4 June 2018
-
2. Press ''Get Previews'' button (it is ok if the images are cut from the bottom - it's the browser problem - just press
* Make a test <font color=red>RECORD/STOP</font> to check if all HDDs are present (the default RECORD delay is set to 5 seconds, so wait
6 KB (874 words) - 14:27, 15 June 2011
-
...abase for each camera built. That will help to restore the bad block table if accidentally erased by our developers or users;
2 KB (278 words) - 23:57, 17 March 2007
-
If you want to apply for sponsored hardware please add your project with a sho
2 KB (327 words) - 18:25, 28 November 2011
-
...o reduce the bandwidth more we need to utilize selective block encoding so if camera is looking at an empty hallway there would be no bitstream at all bu
..., embedded MPlayer video plugin and other fancy features. It would be nice if you could create something like that with regular web development tools, bu
14 KB (2,226 words) - 20:58, 17 September 2008
-
maybe (if you haven't already implemented) it will be usefull putting a small led tha
7 KB (1,054 words) - 15:52, 30 June 2008
-
if [ -s $img ] ; then
if [ -s "$OUTFILE" ] ; then
2 KB (193 words) - 07:23, 15 June 2007
-
...ither earlier assigned MAC address (written in bootblock of the flash) or, if it is a brand new camera, temporary use random MAC address. Next step - run
...be used to read flash from the camera for postmortem analysis of the data if camera does not boot for some reason.
7 KB (1,207 words) - 16:19, 20 June 2009
-
Quality of image may be better if we include a manual iris to have more depth in the picture.
12 KB (1,769 words) - 09:59, 24 October 2018
-
...utton was pressed, do not attempt to reboot (it will fail or reflash again if the future bulk-flash daemon is still running) but just output message inst
It takes longer time to connect to the camera if the IP during netboot is the same as during normal boot, but MAC addresses
2 KB (280 words) - 23:51, 29 September 2007
-
...rd, so no 2 0xff bytes can appear together - this fact is used to find out if the data in the circular buffer was overwritten by the newer image frames.
...ligning them to the end of the 32-byte chunk, adding zeros before the data if needed. The last 4 bytes contain a 24-bit byte length of the JPEG data with
18 KB (2,955 words) - 00:26, 1 December 2007
-
...ar/state/exif.template'' is read in only once - at the imgsrv start up. So if you want to modify the Exif data attached to the camera images, you will ne
2 KB (319 words) - 00:05, 11 October 2007
-
...become available (it is possible that no waiting will actually take place if the image acquisition is ahead of the reading images out process. As far as
If issued with empty arguments (just <nowiki>http://<camera_ip>:8081/</nowiki>
9 KB (1,584 words) - 12:42, 27 January 2017
-
...ogram (0x200-0x27f for odd/all exposures, 0x280-0x2ff - for even ones) and if it is empty - programs default sequence (will not change existent sequence)
...to process the incoming sensor data you do not need to use ccam.cgi - only if any of the parameters above need to be changed, Later we'll develop new sof
13 KB (2,170 words) - 13:21, 30 October 2008
-
1852 if ((vp=paramValue(gparams, "iq"))) ioctl(devfd, _CCCMD(CCAM_WPARS , P_QUALI
...make this value as close as possible to the one specified by application, if the application passed the invalid value driver will use the corrected one.
6 KB (980 words) - 00:43, 17 October 2007
-
...rent cable length you may see image that looks like monochrome or purple - if the pixels are sampled at wrong time, red and green (also green and blue) p
Open the following URL in the browser (replace 192.168.0.9 if camera has different IP):
9 KB (1,508 words) - 15:06, 1 May 2022
-
..."1" for high level (near 3.3V) and "0" for low level (near zero volts), so if the signal is defined as output and set to output "1" it will read "1", unl
...he devices can read back) will be "1" if any of the outputs is "1" and "0" if all are "Z". Similarly it is possible to make a "wire-AND" by connecting ("
9 KB (1,380 words) - 01:36, 21 October 2007
-
...d to set "Program ahead" parameter to 5 instead of it's default value - 3. If not the camera freeze after the first frame.
935 bytes (148 words) - 06:44, 19 July 2010
-
* patched busybox hdparm utility to output large sectors if invoked as "hdparm -I"
Broken release, please remove it if you downloaded it during half-day it was posted @ SourceForge
32 KB (4,592 words) - 16:14, 26 September 2014
-
...in the GET request as well as the script name. Script uses default values if the parameters ("NFS=" and "SCRIPT=") are not specified.
The script returns XML response with error message or status OK if it went as far as starting remote script on NFS server. After that response
1 KB (216 words) - 01:18, 22 April 2009
-
= This is the sandbox. If you're new to Media-wiki systems, please edit here first =
212 bytes (29 words) - 03:53, 8 December 2010
-
...operations on the HDD will not cause the frame loss - that can be verified if the Exif headers are enabled - regardless of the format selected each frame
Eventually camogm will be started (and restarted if needed) automatically at boot time, now it is started manually with the com
24 KB (3,768 words) - 14:39, 11 July 2021
-
...ddress has been configured the script exits and thus needs to be restarted if the address is to be reconfigured.
The unit responds to the ping in the examples above if the new address was configured. Note, this method(ARP/ping mehtod above) on
4 KB (575 words) - 16:13, 24 October 2018
-
...p://192.168.0.9/var/''' in the web browser) - recommended for experiments, if something goes wrong you can just power-cycle the camera and all your chang
...mbers, not strings - you may want to use $value+0 (instead of just $value) if $value may be a string (i.e. passed from _GET[])''--[[User:Andrey.filippov|
36 KB (5,115 words) - 06:00, 8 February 2012
-
if it will be used to compile computer, restart which is not desirable and dis
knoppix# dd if=/dev/zero of=swapfile bs=1024 count=1024M
3 KB (450 words) - 07:59, 6 December 2007
-
logging all - good and bad, trying input type 'hidden' to see if the bots really load a page or generate on their own
248 bytes (45 words) - 16:49, 14 January 2008
-
***If 10369 is detected, show connected hardware (df -h, CF, IDE HD, SATA HD, USB
***If 10359 is detected, try to detect cascaded 10359, try to detect other connec
4 KB (517 words) - 00:53, 7 February 2011
-
if You have different samplerate for capture/playback(as example, on my USB so
(login another telnet session, session #2, if You not started jackd as foreground)
5 KB (681 words) - 06:38, 17 November 2009
-
...iler" during creation of the provided bit file so you may look inside even if you do not have the necessary FPGA tools, you may also find these files use
...n find out) and "export DISPLAY=:0" to run correctly (without that ISE "as if" launches those programs, but nothing really happens). I just created a sma
16 KB (2,550 words) - 14:33, 1 December 2017
-
...ubversion server]. Documentation is provided on our Trac development site. If you are interested in helping with our code please contact one us and we ca
2 KB (254 words) - 18:37, 22 October 2008
-
If any of the mentioned scripts is missing (currently it is 'switch_to_dcm1.ph
if colors are inverted try
23 KB (2,686 words) - 05:22, 31 October 2008
-
...ith the Theora compressor and implement software Theora to JPEG conversion if JPEG is needed.
a0[7:0]<=ial[7:0]; // may want to change to just ia if ia will be late enough;
29 KB (4,570 words) - 07:16, 16 April 2008
-
Wow! It's a beauty! Now let's see if we, simple teachers, can get this thing to work. We dowloaded the PDF manua
...mind that software must be free (schools all over the world are poor) and if possible with source.
6 KB (1,089 words) - 05:00, 13 May 2008
-
...ons about Elphel cameras and software that they run. Feel free to ask here if you are OK to register and check "I am a human" checkbox when saving the ed
...default), this will give you all what your 'clients' want. DNS, DHCP, etc. If you want more info just reply here or come to IRC. --[[User:Skinkie|Skinkie
1 KB (238 words) - 23:21, 29 March 2009
-
If I take this data and make some conversion I get a wrong image of what the c
3 KB (548 words) - 13:47, 1 March 2008
-
And after the reboot of the camera streamer will start. But be careful - if the selected transport is multicast (Streamer == "multicast" at camvc.html)
1 KB (216 words) - 06:23, 3 March 2008
-
...if you used any part of the original one. Forgive us for being suspicious if you claim that you completely rewrote the code and haven't used a single li
...iki.elphel.com/index.php?title=Research Research] section or mail it to us if it is confidential yet ( as it's an GPL project it will go public one day )
4 KB (677 words) - 09:28, 6 December 2010
-
...source code. Now go into the libtiff directory and execute "./configure". If successful do "make" and then "make install" (I had to do "sudo su" first t
6 KB (891 words) - 01:59, 15 January 2010
-
'''Attention: If the image acquisition is not stopped, you may get part of the image from on
1 KB (185 words) - 21:44, 13 October 2012
-
If we do not want to stream or transcode in live a X40 IBM thinkpad or equival
If we do want to mux, transcode and stream in realtime a core2duo or quadro 2.
5 KB (876 words) - 16:54, 24 June 2008
-
...UT || CF0PRESENT || pulled to "0" by the CF0 (bottom, master)<br/> card if it is installed (otherwise returns "1")
...INPUT || CF1PRESENT || pulled to "0" by the CF1 (top, slave)<br/> card if it is installed (otherwise returns "1")
22 KB (3,047 words) - 14:46, 20 January 2015
-
| 1 || CF1PRESENT || GND if CF1 installed || || 26 || GND ||
| 25 || GND || || || 50 || CF0PRESENT || GND if CF0 installed
5 KB (466 words) - 20:57, 29 June 2008
-
| 1 || CF1PRESENT || GND if CF1 installed || || 26 || GND ||
| 25 || GND || || || 50 || CF0PRESENT || GND if CF0 installed
3 KB (387 words) - 14:40, 11 January 2010
-
...guide]] from step 1 to step 4 to prepare a partition for normal recording if your disk is not partitioned yet. Fast recording mode requires at least one
...te'' button is pressed or automatically within a predefined period of time if ''Auto Update'' check box is checked. The ''Size'' buttons allows you to ad
14 KB (2,145 words) - 12:34, 11 January 2017
-
...ly want to change is "update recursively" checkbox in the "Settings". Then if you right-click the top elphel353 directory and select "update" it will upd
..." line into the form (it will end with elphelcommunity.cvs.sourceforge.net if you are working with "elphel-community", not "elphel" repository), submit t
11 KB (1,720 words) - 16:36, 17 March 2020
-
...he tarball attached there is a python program that reads the file and says if the data is consistent or not.
5 KB (906 words) - 08:55, 25 July 2008
-
BUT if you get an error like this:
...be installed - the first one is PHP (>=5.0.0) itself (including php5-cli). If PHP is installed in other than
11 KB (1,711 words) - 12:47, 19 May 2011
-
...ible on the camera's web server in the root directory, http://192.168.0.9/ if you have not changed the default address.
If you would like to modify those scripts or create your own, you can find som
2 KB (398 words) - 17:32, 30 May 2016
-
(or /dev/video1 if you had already another video device driver loaded before)
4 KB (523 words) - 17:49, 19 September 2008
-
If a project has been completed just add the developer that did it, or is busy
4 KB (560 words) - 10:11, 5 March 2020
-
If a correction matrix is trained the sensor could be preproccesed in hardware
434 bytes (74 words) - 12:11, 5 September 2008
-
It would be nice if it was possible to speed up the system boot time, from power on to images o
601 bytes (93 words) - 05:25, 3 October 2008
-
...ple UDP packet streamer. The idea would be to enable easy custom software if the use of standard softwares (vlc, live555, mplayer etc.) is not desired.
805 bytes (139 words) - 15:26, 5 September 2008
-
The callibration can only happen if the module is leveled, hence the pitch and roll are less than one degree of
...strength for its GPS position from an information source on the internet (if available)
1 KB (191 words) - 03:01, 28 March 2009
-
...ibc-2008-09-06, a patch and patience. I am able to run code on the camera, if it is statically linked. Technically I could try to make a rootfs and see w
2 KB (340 words) - 18:47, 6 September 2008
-
...s still compiled with debugging on, and even -O2. You could shrink it more if you specify:
1 KB (186 words) - 18:32, 6 September 2008
