[Elphel-support] Rebroadcast the live streaming?

Andrey Latin andrey.latin at gmail.com
Thu May 27 12:20:40 PDT 2010 

Hi,
You shall set different ports on cameras
For example, first camera 20020, second camera 20024, third - 20028  and etc

wbr, Andrey Latin


On Thu, May 27, 2010 at 9:26 PM, Esteban Correa-Agudelo <
esteban at sirius.utp.edu.co> wrote:

> Hi all!
>
> I have followed every step provided by Andrey Latin, and finally, the
> multicast work for a single camera...
>
> But, when I make rtsp from multiples elphel cameras on the same machine, I
> have a permutation effect. I mean, I launched first vlc:
> $   mplayer -demuxer live555 rtsp://192.168.1.50
> in another console I launched the second one:
>
> $ vlc rtsp://192.168.1.51
>
> How we can see in the pic1, pic2, pic3,  media players sometimes permute
> the video source between them, and also one video is displayed over the two
> media players
>
> so, How can I fix this issue??? because I have multiples cameras and I need
> to process every one on the same linux machine, any idea?
>
> thanks in advance for answer this email
>
> br, Esteban
>
>
> 2010/5/27 Andrey Latin <andrey.latin at gmail.com>
>
> Hi all!
>>
>> For streaming multicast You'll do next:
>> 1. enable multicasting on local linux interface(in my example eth1)
>>    ~# route add -net 224.0.0.0 netmask 240.0.0.0 eth1
>> and test it
>>     ping 224.0.0.1
>> (see pic1)
>> 2. In WEB interface select "Parameter Editor", select "streamer" and press
>>    "View/Edit Current". Then - set STROP_MCAST_EN to 1
>>    Press "Apply" and "Restart"
>>  (see pic 2)
>> 3. Check, what mplayer/mencoder linked with LIVE555
>>     mplayer -demuxer help |grep live
>>  (see pic 3)
>> 4. starting streaming
>>    mplayer -demuxer live555 rtsp://192.168.30.9:554
>> You shall see stream over multicast on screen(see pic4)
>> But multicast address not 232.X.Y.Z - it is 224.X.Y.Z
>>
>> wbr, Andrey Latin
>>
>>
>> On Wed, May 26, 2010 at 8:48 PM, Esteban Correa-Agudelo <
>> esteban at sirius.utp.edu.co> wrote:
>>
>>> Hi,
>>>
>>> I set the multicast mode manually, I mean, I have edited the file
>>> autocampars.php in line 1446      <STROP_MCAST_EN>0</STROP_MCAST_EN> by
>>> <STROP_MCAST_EN>*1*</STROP_MCAST_EN>
>>>
>>> the camera firmware is *8.0.7* and the mencoder output when I launched
>>> vlc first is:
>>>
>>> leeloocam52 at leeloocam52:~$ *sudo mencoder rtsp://192.168.1.51 -nosound
>>> -ovc raw -vf format=bgr24 -of rawvideo -o /dev/video1          *
>>>
>>> MEncoder SVN-r31059-4.4.1 (C) 2000-2010 MPlayer Team
>>> Resolving 192.168.1.51 for AF_INET6...
>>> Couldn't resolve name for AF_INET6: 192.168.1.51
>>> Connecting to server 192.168.1.51[192.168.1.51]: 554...
>>> librtsp: server responds: 'RTSP/1.0 455 Server is busy'
>>> rtsp_session: unsupported RTSP server. Server type is 'unknown'.
>>> STREAM_LIVE555, URL: rtsp://192.168.1.51
>>> success: format: 21  data: 0x0 - 0x0
>>> Stream not seekable!
>>>  file format detected.
>>> Failed to get a SDP description from URL "rtsp://192.168.1.51": cannot
>>> handle *DESCRIBE response: RTSP/1.0 455 Server is busy*
>>> ============ Sorry, this file format is not recognized/supported
>>> =============
>>> === If this file is an AVI, ASF or MPEG stream, please contact the
>>> author! ===
>>> Cannot open demuxer.
>>>
>>> I would like to know how to access to multicast IP stream if IP camera's
>>> is 192.168.1.50 ...
>>>
>>> best regards
>>>
>>>
>>>
>>> 2010/5/26 Alexandre Poltorak <alexandre at elphel.com>
>>>
>>>> You are in unicast.
>>>>
>>>> Esteban, I do not know how, but we went out of our mail ling list. Can
>>>> we switch back to the ML please?
>>>>
>>>> Can you post on the mailing list a description of how do you set the
>>>> camera in multicast mode, the firmware revision you have and output of
>>>> mplayer.
>>>>
>>>> Thanks.
>>>> Alexandre
>>>>
>>>>
>>>>
>>>>
>>>>  On Wed, May 26, 2010 at 2:46 AM, Esteban Correa-Agudelo <
>>>> esteban at sirius.utp.edu.co> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I have launched vlc first like you said, and this the output of
>>>>> mencoder when it is launched in another console sesion :
>>>>>
>>>>> leeloocam52 at leeloocam52:~$ *sudo mencoder rtsp://192.168.1.51 -nosound
>>>>> -ovc raw -vf format=bgr24 -of rawvideo -o /dev/video1          *
>>>>>
>>>>> MEncoder SVN-r31059-4.4.1 (C) 2000-2010 MPlayer Team
>>>>> Resolving 192.168.1.51 for AF_INET6...
>>>>> Couldn't resolve name for AF_INET6: 192.168.1.51
>>>>> Connecting to server 192.168.1.51[192.168.1.51]: 554...
>>>>> librtsp: server responds: 'RTSP/1.0 455 Server is busy'
>>>>> rtsp_session: unsupported RTSP server. Server type is 'unknown'.
>>>>> STREAM_LIVE555, URL: rtsp://192.168.1.51
>>>>> success: format: 21  data: 0x0 - 0x0
>>>>> Stream not seekable!
>>>>>  file format detected.
>>>>> Failed to get a SDP description from URL "rtsp://192.168.1.51": cannot
>>>>> handle *DESCRIBE response: RTSP/1.0 455 Server is busy*
>>>>> ============ Sorry, this file format is not recognized/supported
>>>>> =============
>>>>> === If this file is an AVI, ASF or MPEG stream, please contact the
>>>>> author! ===
>>>>> Cannot open demuxer.
>>>>>
>>>>> Exiting...
>>>>> leeloocam52 at leeloocam52:~$
>>>>>
>>>>> This is the output of vlc with -vvv (megavervose) when I launched first
>>>>> mencoder
>>>>>
>>>>> [0xb6f00758] main input debug: `rtsp://192.168.1.51' gives access
>>>>> `rtsp' demux `' path `192.168.1.51'
>>>>> [0xb6f00758] main input debug: creating demux: access='rtsp' demux=''
>>>>> path='192.168.1.51'
>>>>> [0x8484ce8] main demux debug: looking for access_demux module: 1
>>>>> candidate
>>>>> Sending request: OPTIONS rtsp://192.168.1.51 RTSP/1.0
>>>>> CSeq: 1
>>>>> User-Agent: VLC media player (LIVE555 Streaming Media v2008.07.24)
>>>>> Received OPTIONS response: RTSP/1.0 200 OK
>>>>> CSeq: 1
>>>>> Public: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
>>>>>
>>>>> Sending request: DESCRIBE rtsp://192.168.1.51 RTSP/1.0
>>>>> CSeq: 2
>>>>> Accept: application/sdp
>>>>> User-Agent: VLC media player (LIVE555 Streaming Media v2008.07.24)
>>>>>
>>>>> *Received DESCRIBE response: RTSP/1.0 455 Server is busy
>>>>> CSeq: 2
>>>>> *[0x8484ce8]* live555 demux debug: DESCRIBE failed with 455: cannot
>>>>> handle DESCRIBE response: RTSP/1.0 455 Server is busy*
>>>>> [0x8484ce8] live555 demux debug: connection timeout
>>>>> [0x8484ce8] live555 demux error: Failed to connect with rtsp://
>>>>> 192.168.1.51
>>>>> [0x8484ce8] main demux warning: no access_demux module matching "rtsp"
>>>>> could be loaded
>>>>> [0x8484ce8] main demux debug: TIMER module_need() : 1565.405 ms - Total
>>>>> 1565.405 ms / 1 intvls (Avg 1565.405 ms)
>>>>> [0xb6f00758] main input debug: creating access 'rtsp'
>>>>> path='192.168.1.51'
>>>>> [0xb6f03b10] main access debug: looking for access module: 1 candidate
>>>>> [0xb6f03b10] main access debug: net: connecting to 192.168.1.51 port
>>>>> 554
>>>>> [0xb6f03b10] main access debug: connection: Operation now in progress
>>>>> [0xb6f03b10] main access debug: connection succeeded (socket = 8)
>>>>> [0xb6f03b10] access_realrtsp access debug: rtsp connected
>>>>> [0xb6f03b10] access_realrtsp access warning: only real/helix rtsp
>>>>> servers supported for now
>>>>> [0xb6f03b10] main access warning: no access module matching "rtsp"
>>>>> could be loaded
>>>>> [0xb6f03b10] main access debug: TIMER module_need() : 880.232 ms -
>>>>> Total 880.232 ms / 1 intvls (Avg 880.232 ms)
>>>>> [0xb6f03b10] main access debug: waitpipe: object killed
>>>>> [0xb6f00758] main input error: open of `rtsp://192.168.1.51' failed:
>>>>> (null)
>>>>> [0xb6f00758] main input error: Your input can't be opened
>>>>> [0xb6f00758] main input error: VLC is unable to open the MRL 'rtsp://
>>>>> 192.168.1.51'. Check the log for details.
>>>>> [0xb6f00758] main input debug: thread ended
>>>>> [0x8460b28] main playlist debug: dead input
>>>>> [0xb6f030b0] main stream output debug: destroying useless sout
>>>>> [0xb6f037f8] main stream out debug: destroying chain...
>>>>> (name=transcode)
>>>>> [0x8480fc8] main stream out debug: destroying chain... (name=duplicate)
>>>>> [0x8480fc8] stream_out_duplicate stream out debug: closing a
>>>>> duplication
>>>>> [0x8482db0] main stream out debug: destroying chain... (name=std)
>>>>> [0x8486748] mux_ogg mux: Close
>>>>> [0x8486748] main mux debug: removing module "mux_ogg"
>>>>> [0x8487d48] main http server debug: waitpipe: object killed
>>>>> [0x8487d48] main http server debug: HTTP host removed
>>>>> [0x84873f8] main http server debug: no hosts left, stopping httpd
>>>>> [0x8485490] access_output_http access out debug: Close
>>>>> [0x8485490] main access out debug: removing module "access_output_http"
>>>>> [0x8482db0] main stream out debug: removing module
>>>>> "stream_out_standard"
>>>>> [0x8482db0] main stream out debug: destroying chain done
>>>>> [0x8480fc8] main stream out debug: removing module
>>>>> "stream_out_duplicate"
>>>>> [0x8480fc8] main stream out debug: destroying chain done
>>>>> [0xb6f037f8] main stream out debug: removing module
>>>>> "stream_out_transcode"
>>>>> [0xb6f037f8] main stream out debug: destroying chain done
>>>>> [0xb6f00758] main input debug: TIMER input launching for 'rtsp://
>>>>> 192.168.1.51' : 2453.393 ms - Total 2453.393 ms / 1 intvls (Avg
>>>>> 2453.393 ms)
>>>>> [0x8460b28] main playlist debug: changing item without a request
>>>>> (current 0/1)
>>>>> [0x8460b28] main playlist debug: nothing to play
>>>>>
>>>>>
>>>>>
>>>>> Also, the camera has *multicast enable*...  so, I don't know hot to
>>>>> access to a camera at time in one machine???, because a rtsp player blocks
>>>>> another rtsp conections with the same camera or the others
>>>>>
>>>>> Best Regards
>>>>>
>>>>>
>>>>> Esteban
>>>>>
>>>>>
>>>>>
>>>>> 2010/5/19 Alexandre Poltorak <alexandre at elphel.com>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Your  resolution / FPS / image quality are really small, so it should
>>>>>> work.
>>>>>>
>>>>>> In unicast only one client can connect, others will see "server busy"
>>>>>> error. in milticast mode you can read the same stream with multiple clients.
>>>>>> You simply run two vlc rtsp://192.168.0.9:554 , it should work.
>>>>>>
>>>>>> try to first launch VLC with "-vvv" (megaverbose) and than the other
>>>>>> player and see what error VLC report.
>>>>>>
>>>>>> If you design your own software you do not need to use v4l for Elphel.
>>>>>> You can use GSTreamer framework for example.
>>>>>>
>>>>>> They are many ways: live555, libvlc, gstreamer framework, FFMpeg libs,
>>>>>> ...
>>>>>>
>>>>>> Best regards,
>>>>>> Alexandre
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>  On Wed, May 19, 2010 at 3:08 PM, Esteban Correa-Agudelo <
>>>>>> esteban at sirius.utp.edu.co> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I've tried to answer(*Bold*) to your questions(Purple), please see
>>>>>>> below
>>>>>>>
>>>>>>> thanks again
>>>>>>>
>>>>>>> --
>>>>>>> Esteban M. Correa Agudelo
>>>>>>> Laboratorio Sirius HPC
>>>>>>> Universidad Tecnológica de Pereira
>>>>>>>
>>>>>>> 2010/5/19 Alexandre Poltorak <alexandre at elphel.com>
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> In my understanding you do not need multicast mode, but it should
>>>>>>>> work in both modes.
>>>>>>>>
>>>>>>>> What resolution / FPS / image quality do you stream from the camera
>>>>>>>> ?
>>>>>>>> *(2560x1920)*1/4 decimation = 640x480
>>>>>>>> *
>>>>>>>
>>>>>>> *    FPS= FP1000slim 30000 or 30 fps
>>>>>>> *
>>>>>>>
>>>>>>>> *image quality = 80% (for image processing)*
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>   On Wed, May 19, 2010 at 12:08 AM, Esteban Correa-Agudelo <
>>>>>>>> esteban at sirius.utp.edu.co> wrote:
>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> I have got working with this line
>>>>>>>>> *$ vlc rtsp://192.168.1.51:554 --sout \
>>>>>>>>> '#transcode{vcodec=theo,vb=1800,scale=0.5}:duplicate{dst=std{access=http,mux=ogg,dst=0.0.0.0:8080
>>>>>>>>> }}'*
>>>>>>>>>
>>>>>>>>> then I run mencoder in the same PC with AVLD:
>>>>>>>>> *$ sudo mencoder http://0.0.0.0:8080 -nosound -ovc raw -vf
>>>>>>>>> format=bgr24 -of rawvideo -o /dev/video0 *
>>>>>>>>>
>>>>>>>>>
>>>>>>>> You need to open not http://0.0.0.0:8080 , but the IP of the
>>>>>>>> computer running VLC.
>>>>>>>> * see below*
>>>>>>>>
>>>>>>>>> and It works. But, If try to transcode another camera at time in
>>>>>>>>> the same PC with another vlc... it stops the first one. So I wonder if it is
>>>>>>>>> possible to transcode two camera at time in one PC and how would is it?
>>>>>>>>>
>>>>>>>>
>>>>>>>> What is CPU usage with just VLC running and restreaming the camera ?
>>>>>>>> What is the CPU usage on the machine running AVLD & Mencoder ?
>>>>>>>>
>>>>>>>> Does it all run on the same machine ? In this case why restream to
>>>>>>>> itself ?
>>>>>>>> *Yeah, vlc and Mencoder run on the same machine, VLC restream to
>>>>>>>> itself because I dont know how to access to the rtsp camera with mencoder
>>>>>>>> and then with vlc at time (it stop the mencoder, depend of which was
>>>>>>>> launched first), also if I have two cameras, I launch mencoder
>>>>>>>> rtsp://camera1 and then vlc rtsp://camera2 on the same pc, one rtsp player
>>>>>>>> stops the another...
>>>>>>>> *
>>>>>>>>
>>>>>>> *   So, I wonder if It is possible to access to multiple rtsp
>>>>>>> cameras at time on the same machine and how is it???*
>>>>>>>
>>>>>>>
>>>>>>>>  Also AVLD is a good option if you have to use proprietary software
>>>>>>>> that you _can not modify_ and have to use v4l device to use the software.
>>>>>>>> Ex: Skype.
>>>>>>>>
>>>>>>>> If you use a free software and especially if you design one, AVLD is
>>>>>>>> not a good option, please do not use it in this case.
>>>>>>>> *what do you would recomend? because My software have to use v4l
>>>>>>>> device (usb cameras).*
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>  Best regards,
>>>>>>>> Alexandre Poltorak
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> thanks for your time
>>>>>>>>>
>>>>>>>>> best regards
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Esteban M. Correa Agudelo
>>>>>>>>> Laboratorio Sirius HPC
>>>>>>>>> Universidad Tecnológica de Pereira
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2010/5/18 Andrey Filippov <andrey at elphel.com>
>>>>>>>>>
>>>>>>>>> Esteban,
>>>>>>>>>>
>>>>>>>>>> If you have multiple cameras running in multicast mode in the same
>>>>>>>>>> network, you can easily exceed the bandwidth. there is another solution -
>>>>>>>>>> access camera from one program in unicast mode and retransmit two copies -
>>>>>>>>>> one for analysis, another for Internet streaming.
>>>>>>>>>>
>>>>>>>>>> Andrey
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Tue, May 18, 2010 at 1:23 PM, Esteban Correa-Agudelo <
>>>>>>>>>> esteban at sirius.utp.edu.co> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi, thanks for the fast response
>>>>>>>>>>>
>>>>>>>>>>> I wanna be more especific. I tested your command with vlc and it
>>>>>>>>>>> works :), but my problem is a little different. let me describe the
>>>>>>>>>>> situation.
>>>>>>>>>>> I have a computer vision system with algorithm that make image
>>>>>>>>>>> processing in the video for traffic analysis. These videos are got it from
>>>>>>>>>>> multiples elphel 353 cameras over the street with the help of avld software
>>>>>>>>>>> and mencoder. Right now, I need to re-stream all cam videos to internet and
>>>>>>>>>>> I have a unique IP, so I thought "Why not use a vlc to reestream the stream
>>>>>>>>>>> while the algorithm is using the mencoder?" but when I use vlc, it stops the
>>>>>>>>>>> mencoder and obviusly my algorithm stops too. So, I think that is a
>>>>>>>>>>> multicast problem. I enabled it in the parameter editor and I try to access
>>>>>>>>>>> to the IP 232.X.Y.Z but it doesn't work yet...
>>>>>>>>>>>
>>>>>>>>>>> That is why I cant reeconde multiple elphel camera at time in a
>>>>>>>>>>> PC. Because one rtsp to a camera stops the others.
>>>>>>>>>>>
>>>>>>>>>>> Best Regards
>>>>>>>>>>>
>>>>>>>>>>>  2010/5/18 Alexandre Poltorak <alexandre at elphel.com>
>>>>>>>>>>>
>>>>>>>>>>>> Hi Esteban,
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> As Andrey wrote VideoAPI was designed for 333 camera and is not
>>>>>>>>>>>> available on 353 series.
>>>>>>>>>>>>
>>>>>>>>>>>> By default 8.0.* firmware stream in unicast, so if your cameras
>>>>>>>>>>>> just have unique IP it's OK. You can receive several streams to one PC for
>>>>>>>>>>>> transcoding and restreaming. You can also switch the streamer to multicast
>>>>>>>>>>>> mode. (in parameters editor) in this case you will also have to setup unique
>>>>>>>>>>>> IP and multicast addresses.
>>>>>>>>>>>>
>>>>>>>>>>>> In both cases the stream is accessible on rtsp://camera_IP:554
>>>>>>>>>>>>
>>>>>>>>>>>> To transcode & restream you can use VLC, for example :
>>>>>>>>>>>> vlc rtsp://192.168.0.9:554 --sout
>>>>>>>>>>>> '#transcode{vcodec=theo,vb=3600,scale=0.5,fps=10}:duplicate{dst=std{access=http,mux=ogg,dst=0.0.0.0:8080
>>>>>>>>>>>> }}'
>>>>>>>>>>>>
>>>>>>>>>>>> This command open the camera stream (unicast or multicast),
>>>>>>>>>>>> resize it *0.5, limit FPS to 10, Video Bitrate to 3600, re-encode the stream
>>>>>>>>>>>> in theora and stream it on all interfaces on the port 8080.
>>>>>>>>>>>>
>>>>>>>>>>>> To open this encoded stream on a client PC (may be over
>>>>>>>>>>>> internet) you just need to open with vlc
>>>>>>>>>>>> http://vlc_server_ip:8080
>>>>>>>>>>>>
>>>>>>>>>>>> You can also use GStreamer framework to reencode & restream.
>>>>>>>>>>>>
>>>>>>>>>>>> Best regards,
>>>>>>>>>>>> Alexandre Poltorak
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>  On Tue, May 18, 2010 at 5:41 PM, Esteban Correa-Agudelo <
>>>>>>>>>>>> esteban at sirius.utp.edu.co> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>>  Hi,
>>>>>>>>>>>>>
>>>>>>>>>>>>> I have more than one elphel camera inside a lan. I would like
>>>>>>>>>>>>> to stream all cameras to internet using this guide in section RTP:
>>>>>>>>>>>>>
>>>>>>>>>>>>> http://wiki.elphel.com/index.php?title=Using_Mplayer_With_Video_API
>>>>>>>>>>>>>
>>>>>>>>>>>>> but i can't find the sdp-file in
>>>>>>>>>>>>> http://192.168.0.9/mjpg/media.sdp
>>>>>>>>>>>>>
>>>>>>>>>>>>> where is it???
>>>>>>>>>>>>>
>>>>>>>>>>>>> best regards
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Esteban M. Correa Agudelo
>>>>>>>>>>>>> Laboratorio Sirius HPC
>>>>>>>>>>>>> Universidad Tecnológica de Pereira
>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> Support-list mailing list
>>>>>>>>>>>>> Support-list at support.elphel.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Esteban M. Correa Agudelo
>>>>>>>>>>> Laboratorio Sirius HPC
>>>>>>>>>>> Universidad Tecnológica de Pereira
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Support-list mailing list
>>>>>>>>>>> Support-list at support.elphel.com
>>>>>>>>>>>
>>>>>>>>>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Esteban M. Correa Agudelo
>>>>> Laboratorio Sirius HPC
>>>>> Universidad Tecnológica de Pereira
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Esteban M. Correa Agudelo
>>> Laboratorio Sirius HPC
>>> Universidad Tecnológica de Pereira
>>>
>>> _______________________________________________
>>> Support-list mailing list
>>> Support-list at support.elphel.com
>>>
>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>
>>>
>>
>
>
> --
> Esteban M. Correa Agudelo
> Laboratorio Sirius HPC
> Universidad Tecnológica de Pereira
>
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