Write data to an HTTP or RTSP stream from MATLAB

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Ellie Joffe
Ellie Joffe 2022-11-24
评论： Ellie Joffe 2022-11-29
Hi
I have a video stream that I read into MATLAB from an IP camera. I perform object detection in MATLAB and produce bounding boxes. I want to write the current video frame with the overlayed bounding box to another http or rtsp stream so that the result can be viewed remotely with an RTSP/HTTP viewer application.
It was reccomended that I could use GStreamer for this although I have not found any examples of this integration. Is there a better way to do this. Perhaps using VLC media player or perhaps I can just use the MATLAB function webwrite?

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回答（1 个）

Sakshay
Sakshay 2022-11-29
Hello Ellie,
As per my understanding, you are trying to send image data (single frame of a video) through HTTP using MATLAB.
Currently, MATLAB does not support GStreamer for Image Acquisition.
Instead, you can use the "webwrite" function in MATLAB to send the image data through HTTP. Please refer to the following documentation for more information:
Write data to RESTful web service - MATLAB webwrite (mathworks.com)
You can also control the VLC player using MATLAB, if you want to stream using that. Please refer to the following code on File Exchange:
VLC - File Exchange - MATLAB Central (mathworks.com)
  1 个评论
Ellie Joffe
Ellie Joffe 2022-11-29
Thank you very much for your quick response.
I like both options that you suggested. If I use the webwrite function in a loop, will I be able to create a continuous video? In other words, I process a frame, use webwrite to post the output frame to the http server and loop back to process the 2nd frame and call webwrite again. Would this give me a continuous video on the http server?
Thank you very much for your help.

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