JVC VN-E4U API Guide - Page 66
List of APIs, (1) Sending JPEG from VN-E4 via RTP/UDP
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6. API for Sending JPEG/Audio from VN-E4 via UDP _ 6.2. List of APIs 6.2. List of APIs (1) Sending JPEG from VN-E4 via RTP/UDP Format /api/send?from=video&from.input=data1&from.framesize=data2&from.framerate =data3&to=network&to.ip=data4&to.port=data5&to.session_id=data6 Example /api/send?from=video&from.input=1&from.framesize=qvga&from.framerate=15& to=network&to.ip=225.0.1.1&to.port=20000&to.session_id=12345678 from.input Specify the video input channel.(1~4) from.framesize Specify the frame size. (qvga / vga) from.framerate Specify the JPEG frame rate. Selection range is as follows. For a frame rate lower than 1fps, use -. For example, select -2 for 1/2fps. VN-E4 and VN-E4U (NTSC) 30, 15, 10, 7.5, 6, 5, 3, 2, 1, 0, -2, -3, -5, -10, -15, -20, -30, -60 VN-E4E (PAL) 25, 12.5, 8.3, 6.25, 5, 4.1, 3, 2, 1, 0, -2, -3, -5, -10, -15, -20, -30, -60 Only 1 frame of the JPEG data will be sent when this is specified as 0. to.ip Specify the destination IP address. to.port Specify the destination port number. to.session_id Specify the client IP number. VN-E4 will register this number and accept the client with the same API (stop). session_id=* that the stop command supports will not be accepted. Interpretation Send JPEG from VN-E4 via RTP/UDP. JPEG data with a 12-byte RTP header will be sent out repeatedly. Allowed users admin, operator Example of Response HTTP/1.1 200 OK Date: Fri, 13 MAY 2005 07:33:12 GMT Server: VN-E4 API Server/1.0.0 Connection: Keep-Alive content-type: text/plain Connection: Keep-Alive Keep-Alive: timeout=5, max=5 x-vne4_response: from=video&from.input=1&from.framesize=qvga&from.framerate=15&to=network& to.ip=225.0.1.1&to.port=20000&to.session_id=12345678 200 OK Restrictions The total number of RTP/UDP that may be sent by VN-E4 is 10 streams (including both JPEG and audio). A "503 Service Unavailable" message will be returned in the body of the response when an 11th RTP/UDP sending request is received. Example of response when an 11th sending request is received: HTTP/1.1 200 OK Date: Fri, 13 MAY 2005 07:33:12 GMT Server VN-E4 API Server/1.0.0 Connection: Keep-Alive content-type: text/plain Connection: Keep-Alive Keep-Alive: timeout=5, max=5 x-vne4_response: from=video&from.input=1&from.framesize=qvga&from.framerate=15&to=network& to.ip=225.0.1.1&to.port=20000&to.session_id=12345678 503 Service Unavailable 66