65 lines
2.6 KiB
JavaScript
65 lines
2.6 KiB
JavaScript
var config = require('config');
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var Constants = require('./bbb/messages/Constants');
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module.exports.generateSdp = function(remote_ip_address, remote_video_port) {
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return "v=0\r\n"
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+ "o=- 0 0 IN IP4 " + remote_ip_address + "\r\n"
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+ "s=Kurento-SCREENSHARE\r\n"
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+ "c=IN IP4 " + remote_ip_address + "\r\n"
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+ "t=0 0\r\n"
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+ "m=video " + remote_video_port + " RTP/AVPF 96\r\n"
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+ "a=rtpmap:96 H264/90000\r\n"
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+ "a=ftmp:96\r\n";
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}
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module.exports.generateVideoSdp = function (sourceIpAddress, sourceVideoPort) {
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return "v=0\r\n"
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+ "o=- 0 0 IN IP4 " + sourceIpAddress + "\r\n"
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+ "s=Kurento-SCREENSHARE\r\n"
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+ 'm=video ' + sourceVideoPort + ' ' + this.videoConfiguration.rtpProfile + ' ' + this.videoConfiguration.codecId + '\r\n'
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+ 'a=' + this.videoConfiguration.sendReceive + '\r\n'
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+ 'c=IN IP4 ' + sourceIpAddress + '\r\n'
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+ 'a=rtpmap:' + this.videoConfiguration.codecId + ' ' + this.videoConfiguration.codecName + '/' + this.videoConfiguration.codecRate + '\r\n'
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+ 'a=fmtp:' + this.videoConfiguration.codecId + '\r\n'
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+ 'a=rtcp-fb:' + this.videoConfiguration.codecId + ' ccm fir \r\n'
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+ 'a=rtcp-fb:' + this.videoConfiguration.codecId + ' nack \r\n'
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+ 'a=rtcp-fb:' + this.videoConfiguration.codecId + ' nack pli \r\n'
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+ 'a=rtcp-fb:' + this.videoConfiguration.codecId + ' goog-remb \r\n';
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};
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module.exports.videoConfiguration = {
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codecId: '96',
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sendReceive: 'sendrecv',
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rtpProfile: 'RTP/AVPF',
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codecName: 'H264',
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frameRate: '30.000000',
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codecRate: '90000'
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};
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module.exports.generateStreamUrl = function (address, meeting, path) {
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return "rtmp://" + address + "/video-broadcast/" + meeting + "/" + path;
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}
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module.exports.generateTranscoderParams = function (localIp, destIp, sendPort, recvPort, input, streamType, transcoderType, codec, callername, voiceConf) {
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var rtpParams = {};
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rtpParams[Constants.LOCAL_IP_ADDRESS] = localIp;
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rtpParams[Constants.LOCAL_VIDEO_PORT] = sendPort;
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rtpParams[Constants.DESTINATION_IP_ADDRESS] = destIp;
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rtpParams[Constants.REMOTE_VIDEO_PORT] = recvPort;
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rtpParams[Constants.INPUT] = input;
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rtpParams[Constants.STREAM_TYPE] = streamType;
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rtpParams[Constants.TRANSCODER_TYPE] = transcoderType;
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rtpParams[Constants.TRANSCODER_CODEC] = codec;
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rtpParams[Constants.CALLERNAME] = callername;
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rtpParams[Constants.VOICE_CONF] = voiceConf;
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return rtpParams;
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}
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module.exports.getPort = function (min_port, max_port) {
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return Math.floor((Math.random() * (max_port - min_port + 1) + min_port));
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}
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module.exports.getVideoPort = function () {
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return this.getPort(config.get('minVideoPort'), config.get('maxVideoPort'));
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}
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