{"version":3,"sources":["videoplayer-webrtc.js"],"names":[],"mappings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file":"videoplayer.js","sourcesContent":["'use strict';\r\n/*\r\n  Get these from WowzaStreamingEngine WebRTC Application\r\n  */\r\nconst wsConnect = () => {\r\n    let _this = this;\r\n    let streamInfo = { applicationName, streamName };\r\n    let userData = { 'iceServers': [] };\r\n    let peerConnection = new RTCPeerConnection(userData);\r\n    let repeaterRetryCount;\r\n\r\n    try {\r\n        wsConnection = new WebSocket(wssUrl);\r\n    }\r\n    catch (e) {\r\n        console.error(e);\r\n    }\r\n    wsConnection.binaryType = 'arraybuffer';\r\n\r\n    wsConnection.onopen = () => {\r\n        console.log(\"onopen\");\r\n\r\n        peerConnection.onicecandidate = _this.gotIceCandidate;\r\n\r\n        peerConnection.ontrack = (event) => {\r\n            console.log('gotRemoteTrack: kind:' + event.track.kind + ' stream:' + event.streams[0]);\r\n            try {\r\n                videoElement.srcObject = event.streams[0];\r\n            } catch (error) {\r\n                videoElement.src = window.URL.createObjectURL(event.streams[0]);\r\n            }\r\n        }\r\n        sendPlayGetOffer();\r\n    }\r\n\r\n    const sendPlayGetOffer = () => {\r\n        console.log(\"sendPlayGetOffer: \" + JSON.stringify(streamInfo));\r\n        wsConnection.send('{\"direction\":\"play\", \"command\":\"getOffer\", \"streamInfo\":' + JSON.stringify(streamInfo) + ', \"userData\":' + JSON.stringify(userData) + '}');\r\n    }\r\n\r\n    const stop = () => {\r\n        if (peerConnection != null) { peerConnection.close(); }\r\n        if (wsConnection != null) { wsConnection.close(); }\r\n        peerConnection = null;\r\n        wsConnection = null;\r\n        videoElement.src = \"\";\r\n    }\r\n\r\n    wsConnection.onmessage = function (evt) {\r\n        console.log(\"wsConnection.onmessage: \" + evt.data);\r\n\r\n        let msgJSON = JSON.parse(evt.data);\r\n        let msgStatus = Number(msgJSON['status']);\r\n        let msgCommand = msgJSON['command'];\r\n\r\n        if (msgStatus == 514) // repeater stream not ready\r\n        {\r\n            repeaterRetryCount++;\r\n            if (repeaterRetryCount < 10) {\r\n                setTimeout(sendPlayGetOffer, 500);\r\n            }\r\n            else {\r\n                console.log('Live stream repeater timeout: ' + streamName);\r\n                stop();\r\n            }\r\n        }\r\n        else if (msgStatus != 200) {\r\n            console.log(msgJSON['statusDescription']);\r\n            stop();\r\n        }\r\n        else {\r\n\r\n            let streamInfoResponse = msgJSON['streamInfo'];\r\n            if (streamInfoResponse !== undefined) {\r\n                streamInfo.sessionId = streamInfoResponse.sessionId;\r\n            }\r\n\r\n            let sdpData = msgJSON['sdp'];\r\n            if (sdpData != null) {\r\n                console.log('sdp: ' + JSON.stringify(msgJSON['sdp']));\r\n\r\n                if (mungeSDP != null) {\r\n                    msgJSON.sdp.sdp = mungeSDP(msgJSON.sdp.sdp);\r\n                }\r\n\r\n                // Enhance here if Safari is a published stream.\r\n                console.log(\"SDP Data: \" + msgJSON.sdp.sdp);\r\n\r\n                peerConnection\r\n                    .setRemoteDescription(new RTCSessionDescription(msgJSON.sdp))\r\n                    .then(() => peerConnection\r\n                        .createAnswer()\r\n                        .then((description) => {\r\n                            peerConnection.setLocalDescription(description)\r\n                                .then(() => {\r\n                                    console.log('sendAnswer');\r\n                                    wsConnection.send('{\"direction\":\"play\", \"command\":\"sendResponse\", \"streamInfo\":' + JSON.stringify(streamInfo) + ', \"sdp\":' + JSON.stringify(description) + ', \"userData\":' + JSON.stringify(userData) + '}');\r\n                                })\r\n                                .catch(err => console.log('set local description error', err));\r\n                        })\r\n                    ).catch(err => console.log('set remote description error', err));\r\n            }\r\n\r\n            let iceCandidates = msgJSON['iceCandidates'];\r\n            if (iceCandidates != null) {\r\n                for (let index in iceCandidates) {\r\n                    console.log('iceCandidates: ' + JSON.stringify(iceCandidates[index]));\r\n                    peerConnection.addIceCandidate(new RTCIceCandidate(iceCandidates[index]));\r\n                }\r\n            }\r\n        }\r\n\r\n        if ('sendResponse'.localeCompare(msgCommand) == 0) {\r\n            if (wsConnection != null) {\r\n                wsConnection.close();\r\n            }\r\n\r\n            wsConnection = null;\r\n        }\r\n    }\r\n\r\n    wsConnection.onclose = function () {\r\n        console.log(\"wsConnection.onclose\");\r\n    }\r\n\r\n    wsConnection.onerror = function (evt) {\r\n        console.log(evt);\r\n    }\r\n}\r\n\r\nconst mungeSDP = (sdpStr) => {\r\n    // For greatest playback compatibility,\r\n    // force H.264 playback to baseline (42e01f).\r\n    let sdpLines = sdpStr.split(/\\r\\n/);\r\n    let sdpStrRet = '';\r\n\r\n    for (var sdpIndex in sdpLines) {\r\n        var sdpLine = sdpLines[sdpIndex];\r\n\r\n        if (sdpLine.length == 0)\r\n            continue;\r\n\r\n        if (sdpLine.includes(\"profile-level-id\")) {\r\n            // The profile-level-id string has three parts: XXYYZZ, where\r\n            //   XX: 42 baseline, 4D main, 64 high\r\n            //   YY: constraint\r\n            //   ZZ: level ID\r\n            // Look for codecs higher than baseline and force downward.\r\n            let profileLevelId = sdpLine.substr(sdpLine.indexOf(\"profile-level-id\") + 17, 6);\r\n            let profile = Number('0x' + profileLevelId.substr(0, 2));\r\n            let constraint = Number('0x' + profileLevelId.substr(2, 2));\r\n            let level = Number('0x' + profileLevelId.substr(4, 2));\r\n            if (profile > 0x42) {\r\n                profile = 0x42;\r\n                constraint = 0xE0;\r\n                level = 0x1F;\r\n            }\r\n            let newProfileLevelId = (\"00\" + profile.toString(16)).slice(-2).toLowerCase() +\r\n                (\"00\" + constraint.toString(16)).slice(-2).toLowerCase() +\r\n                (\"00\" + level.toString(16)).slice(-2).toLowerCase();\r\n\r\n            sdpLine = sdpLine.replace(profileLevelId, newProfileLevelId);\r\n        }\r\n\r\n        sdpStrRet += sdpLine;\r\n        sdpStrRet += '\\r\\n';\r\n    }\r\n\r\n    return sdpStrRet;\r\n}\r\n\r\n/*\r\n  initialize and play, wire in play button here\r\n*/\r\nif ((applicationName == \"\") || (streamName == \"\" || wssUrl == \"\")) {\r\n    console.error(\"Please fill out the connection details\")\r\n} else {\r\n    videoElement = document.getElementById(\"stream-player\");\r\n    wsConnect()\r\n}"]}