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...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
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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
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...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
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...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
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...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
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...enerating any interrupts but it is not difficult to add such functionality if needed.
5 KB (870 words) - 08:23, 3 October 2010
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.... 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
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...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
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...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
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...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
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...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
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instead of dotted-decimal IP addresses, even if the user doesn't have a
2 KB (322 words) - 14:12, 10 June 2007
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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
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if ((devfd = open("/dev/lb", O_RDWR))<0) return -1;
7 KB (331 words) - 19:09, 15 February 2006
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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
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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
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: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
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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
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....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
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...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
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...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
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...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
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if (camera.ptz) { // if the function is defined
if (XMLHttpRequest) {
3 KB (371 words) - 17:06, 5 December 2005
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...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
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...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
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...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
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;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
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- add some code to recover if the sensor is stuck
2 KB (387 words) - 21:04, 10 April 2007
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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
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If the compilation completes without errors, the executable files mplayer and
972 bytes (150 words) - 07:50, 20 November 2008
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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
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*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
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...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
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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
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'''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
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'') if $NOFORK ; then break ; fi
if ! $0 -d 2>CDMAKE$$.tmp ; then
15 KB (2,238 words) - 13:38, 9 January 2008
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if [ -z $answer ] ; then answer=$2 ; fi
if [ part=0 ]
7 KB (1,019 words) - 07:53, 17 March 2006
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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
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if(ua.ie) this.css.filter='alpha(opacity=' + opac + ')';
379 bytes (60 words) - 17:38, 28 March 2006
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'''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
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...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
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* 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
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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
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* 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
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=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
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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
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...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
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If you want to apply for sponsored hardware please add your project with a sho
2 KB (327 words) - 18:25, 28 November 2011
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...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
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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
