video steaming using labview 2015 and labview communication

[DOHAAACB19619]

Hi,

 an overview about my project is :as long as there is no vision acquisition in labview communication so the only use for the  labview 2015 is to acquire the video and then sending it to the labview comm using the UDP,and I need also to receive the video again in labview 2015,but the main code for the project is implemented in labview comm as i want to use the OFDM technique for transmitting and receiving the video, so I try to use the OFDM example implemented in labview comm, so i think the main problem is occurred when the video introduced in labview comm.

 so i will send you an image of the code of the project implemented on labview comm,

the first attachment is the UDP receiver that receive the video from the labview 2015, the second attachment is the OFDM (TX,Rx),the third attachment is the sender UDP that it is supposed to send the video back to the labview 2015. 

can anyone help me finding the problem that cause this error.

I am so sorry for wasting your time, and I am grateful for your help

[DOHAAACB19619]

here there are the images

[DOHAAACB19619]

Hi,

there is a problem in my project and i think it is related to UDP ,

thanks a lot for your help;

I will tell you an overview about my project:as long as there is no vision acquisition in labview communication so the only use for the  labview 2015 is to acquire the video and then sending it to the labview comm using the UDP,and I need also to receive the video again in labview 2015,but the main code for the project is implemented in labview comm as i want to use the OFDM technique for transmitting and receiving the video, so I try to use the OFDM example implemented in labview comm, so i think the main problem is occurred when the video introduced in labview comm.

 so i will send you an image of the code of the project implemented on labview comm,

the first attachment is the UDP receiver that receive the video from the labview 2015, the second attachment is the OFDM (TX,Rx),the third attachment is the sender UDP that it is supposed to send the video back to the labview 2015. 

can you help me finding the problem that cause this error.

I am so sorry for wasting your time, and I am grateful for your help

[Bob_Schor]

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@DOHAAACB19619 wrote:

I am so sorry for wasting your time, and I am grateful for your help

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To avoid wasting our time, do not attach pictures, but rather attach VIs.  If you are using LabVIEW Project, then compress the folder holding the Project and its files and attach the resulting .zip file.

From your original description, I was not sure what you are trying to do, and what problem you are having.  Do you have two PCs, both running a LabVIEW program, one acquiring images (using, perhaps, IMAQ) and streaming it (via UDP) to another PC?  What is the other PC doing with the images?

Bob Schor

[DOHAAACB19619]

Iam so sorry, there is no problem i will attach the VI for labview 2015, i have only one PC on it there are both labview 2015 and labview communication installed , the labview 2015 his task is to acquire a video using the camera of the laptop and then sending this video to the labview comm through the UDP [note that the code in the labview comm implemented is the OFDM (Tx,Rx) ]so this video will send to the ofdm code and after modulation and demodulation this video will be again received on labview 2015, the problem is that on the output display that it is supposed to show the received video there is no video displayed 

[Bob_Schor]

Thanks.  So why are you using UDP to send data from loop to loop in your VI?  There are all sorts of issues (including needing to NICs, possibly a cross-over cable, etc.) with UDP (not the most reliable of transmission protocols) -- for within-VI transmission from loop to loop, Queues are much simpler and more common.

However, it wasn't at all clear why there even was a second loop -- it wasn't clear that it is doing anything that the first loop isn't also doing.  The usual reason for such a parallel loop organization (often called a Producer/Consumer Design Pattern) is that the first loop is critical (for timing), while the second (Consumer) loop could have a bit of slop.

[DOHAAACB19619]

thanks, i use the first loop that it take the video from the normal labview and send it to the labview communication,the second loop is to receive the video from labview comm after OFDM finished its operation,so i need two loops,is that you mean.

[Bob_Schor]

If you need two loops, use a Queue if within the same program.  Much faster, much surer, much simpler.

Bob Schor

[DOHAAACB19619]

thanks Bob_Schor ,

i will  use a Queue i also think it will be good,

i will ask your suggestion  if any problem face me

thank alot,

[JohnSmith7777]

Hi,

       I'm new to LabView, Can you tell me how to find the the OFDM example  in labview comm.

Thanks!