Hi All, I am very new to both streaming and live555.
Basically, I want to achieve the following task: I have a LAN and a RTSP video source machine. I want to do some CV task e.g. face detection, on another machine, and display the result in the form of continuous original video stream (with detected faces in rectangles) on a client machine in the same LAN. I want to have the following design: Ideally, each frame of the video stream is labelled with a unique sequence number. On the CV-task machine, I select the frames that need for face detection, record down its sequence number and coordinates of detected faces. Then I forward the (sequence number, coordinates) pairs to the client machine. The client machine runs an RTSP client and receive stream from the source, but instead of playing the stream directly, it temporally stores the received frame in a buffer until it receives the (sequence number, coordinates) from the CV-task machine. The sequence number is used to find the frame on which the rectangles for faces should be put onto. Once the rectangles are added to the right frames, the video is read from the buffer and played. My questions are as follows: 1. Does each frame of a video stream, e.g. the H264 stream contain an unique identifier? If so, how to get this unique identifier? 2. If such unique identifier does not exist, I am thinking to add a proxy machine between the video source and the other machines in the network. The proxy server basically read rtsp stream from the source, and add unique sequence number to each extracted frame, and then it re-stream the video to the other machines. So in this way, each machine in the network can see frames with unique IDs. Since, I am quite new to video streaming, my questions could be naive. Please help me. Thank you. Regards Mitchell -- Xue Mingqiang Computer Science Department, School of Computing, National University of Singapore. Contact: (+65)81573418 MSN : xuemingqiang2...@hotmail.com Google: xuemingqi...@gmail.com _______________________________________________ live-devel mailing list live-devel@lists.live555.com http://lists.live555.com/mailman/listinfo/live-devel
