webcom-reach
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Create apps using WebRTC with Webcom
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<title>Code coverage report for src/core/webrtc/PeerConnection.js</title>
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<h1>
<a href="../../../index.html">all files</a> / <a href="index.html">src/core/webrtc/</a> PeerConnection.js
</h1>
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<div class='fl pad1y space-right2'>
<span class="strong">5.59% </span>
<span class="quiet">Statements</span>
<span class='fraction'>10/179</span>
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<div class='fl pad1y space-right2'>
<span class="strong">0% </span>
<span class="quiet">Branches</span>
<span class='fraction'>0/78</span>
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<div class='fl pad1y space-right2'>
<span class="strong">0% </span>
<span class="quiet">Functions</span>
<span class='fraction'>0/48</span>
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<div class='fl pad1y space-right2'>
<span class="strong">5.75% </span>
<span class="quiet">Lines</span>
<span class='fraction'>10/174</span>
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494</td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*global RTCPeerConnection*/
/*global RTCRtpSender*/
import cache from '../util/cache';
import * as Log from '../util/Log';
import Media from '../util/Media';
import * as DataSync from '../util/DataSync';
import {OPENED, CLOSING, CLOSED} from '../util/constants';
import 'core-js/fn/array/find';
const DtlsSrtpKeyAgreement = {DtlsSrtpKeyAgreement: true};
const sdpConstraints = receive => (<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >{OfferToReceiveAudio: receive, OfferToReceiveVideo: receive})</span></span>;
/**
* ICE connection status : disconnected
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_DISCONNECTED = 'disconnected';
/**
* ICE connection status : connected
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_CONNECTED= 'connected';
/**
* ICE connection status : completed
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_COMPLETED = 'completed';
/**
* ICE connection status : checking
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_CHECKING = 'checking';
/**
* ICE connection status : closed
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_CLOSED = 'closed';
/**
* ICE connection status : failed
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_FAILED = 'failed';
/**
* ICE connection status : another status
* @constant
* @type {string}
*/
const ICE_CONNECTION_STATE_OTHER= 'other';
/**
* @ignore
*/
const _toJSON = o => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >o.toJSON && typeof o.toJSON === 'function' ? o.toJSON() : o;</span></span>
/**
* The PeerConnection. A PeerConnection will only concern one MediaStream.
* @class PeerConnection
*/
export default class PeerConnection {
/**
* @access protected
* @param {string} stackId The WebRTC stack ID
* @param {string} streamId The Stream UID
* @param {string} remoteDevice The remote device's UID
* @param {boolean} publish Publish or Subscribe ?
*/
constructor(stackId, streamId, remoteDevice, publish) <span class="fstat-no" title="function not covered" >{</span>
/**
* The stack identifier. Used to identify exchanges between 2 devices
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.stackId = stackId;</span>
/**
* The stream id. (One stream per RTCPeerConnection)
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.streamId = streamId;</span>
/**
* The remote device Id
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.remoteDevice = remoteDevice;</span>
/**
* Path for local signalization
* @access private
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this._localPath = `_/webrtc/${this.stackId}/${this.streamId}/${cache.device}`;</span>
/**
* Path for local signalization
* @access private
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this._remotePath = `_/webrtc/${this.stackId}/${this.streamId}/${this.remoteDevice}`;</span>
/**
* Indicates if the PeerConnection has been established. (Useful for renegotiation).
* @type {boolean}
*/
<span class="cstat-no" title="statement not covered" > this.negotiated = false;</span>
/**
* The DOM element where the remote MediaStream will be displayed
* @type {Element}
* @protected
*/
<span class="cstat-no" title="statement not covered" > this.node = null;</span>
/**
* The DOM element containg the media element
* @type {Element}
* @protected
*/
<span class="cstat-no" title="statement not covered" > this.container = null;</span>
/**
* The actual RTCPeerConnection
* @type {RTCPeerConnection}
*/
<span class="cstat-no" title="statement not covered" > this.pc = new RTCPeerConnection(</span>
{
iceServers: cache.config.iceServers
},
{
optional: [DtlsSrtpKeyAgreement],
mandatory: sdpConstraints(!publish)
}
);
// Handle ICE candidates
<span class="cstat-no" title="statement not covered" > this.pc.onicecandidate = e => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > if (!this.negotiated && e.candidate) {</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~onicecandidate', e.candidate);</span>
<span class="cstat-no" title="statement not covered" > DataSync.push(`${this._localPath}/ice`, _toJSON(e.candidate));</span>
}
};
<span class="cstat-no" title="statement not covered" > this.pc.oniceconnectionstatechange = () => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~oniceconnectionstatechange', this.pc);</span>
const iceConnectionState = <span class="cstat-no" title="statement not covered" >this.pc.iceConnectionState;</span>
<span class="cstat-no" title="statement not covered" > switch (iceConnectionState) {</span>
case ICE_CONNECTION_STATE_CHECKING:
// Nothing to do yet
<span class="cstat-no" title="statement not covered" > break;</span>
case ICE_CONNECTION_STATE_CONNECTED:
<span class="cstat-no" title="statement not covered" > this._attachStream();</span>
<span class="cstat-no" title="statement not covered" > this._remoteICECandidates(false);</span>
<span class="cstat-no" title="statement not covered" > break;</span>
case ICE_CONNECTION_STATE_COMPLETED:
<span class="cstat-no" title="statement not covered" > this._remoteICECandidates(false);</span>
<span class="cstat-no" title="statement not covered" > break;</span>
case ICE_CONNECTION_STATE_DISCONNECTED:
case ICE_CONNECTION_STATE_FAILED:
<span class="cstat-no" title="statement not covered" > Log.e('PeerConnection~stateDisconnected', 'Disconnect PeerConnection');</span>
<span class="cstat-no" title="statement not covered" > break;</span>
case ICE_CONNECTION_STATE_CLOSED:
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~stateclosed', 'Close PeerConnection');</span>
<span class="cstat-no" title="statement not covered" > this.close();</span>
<span class="cstat-no" title="statement not covered" > break;</span>
}
<span class="cstat-no" title="statement not covered" > this.negotiated = this.negotiated || this.isConnected;</span>
};
<span class="cstat-no" title="statement not covered" > this.pc.onicegatheringstatechange = () => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~onicegatheringstatechange', this.pc.iceGatheringState);</span>
};
/**
* PeerConnection status
* @type {string}
* @private
*/
<span class="cstat-no" title="statement not covered" > this._status = OPENED;</span>
}
/**
* Toggle ICE Candidates discovery
* @access private
* @param {boolean} listen Indicates if we should listen to new ICE candidates
*/
_remoteICECandidates(listen) <span class="fstat-no" title="function not covered" >{</span>
const
path = <span class="cstat-no" title="statement not covered" >`${this._remotePath}/ice`,</span>
event = <span class="cstat-no" title="statement not covered" >'child_added';</span>
<span class="cstat-no" title="statement not covered" > if(listen) {</span>
// don't listen to ice candidates if pc is already up (renegotiation)
<span class="cstat-no" title="statement not covered" > DataSync.on(path, event, snap => <span class="fstat-no" title="function not covered" >{</span></span>
const candidate = <span class="cstat-no" title="statement not covered" >snap.val();</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~addIceCandidate', candidate);</span>
<span class="cstat-no" title="statement not covered" > this.pc.addIceCandidate(new RTCIceCandidate(candidate));</span>
});
} else {
<span class="cstat-no" title="statement not covered" > DataSync.off(path, event);</span>
}
}
/**
* Attach the remote MediaStream to a node
* @access private
*/
_attachStream () <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(this.remoteStream && this.isConnected) {</span>
<span class="cstat-no" title="statement not covered" > this.node = Media.attachStream(this.remoteStream, this.container, this.node);</span>
<span class="cstat-no" title="statement not covered" > this.node.muted = false;</span>
}
}
/**
* The remote MediaStream
* @access protected
* @type {MediaStream}
*/
set remoteStream (stream) <span class="fstat-no" title="function not covered" >{</span>
/**
* @ignore
*/
<span class="cstat-no" title="statement not covered" > this._remoteStream = stream;</span>
<span class="cstat-no" title="statement not covered" > this._attachStream();</span>
}
/**
* The remote MediaStream
* @type {MediaStream}
*/
get remoteStream () <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this._remoteStream;</span>
}
/**
* Indicates if the PeerConnection is established based on ICE connection state
* @returns {boolean}
*/
get isConnected () <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.pc &&</span>
!!~[
ICE_CONNECTION_STATE_CONNECTED,
ICE_CONNECTION_STATE_COMPLETED,
ICE_CONNECTION_STATE_OTHER
].indexOf(this.pc.iceConnectionState);
}
/**
* Init RTCPeerConnection for subscribers
* @access protected
* @param htmlElement
* @returns {Promise.<PeerConnection>}
*/
answer(htmlElement) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.i('PeerConnection~answer', {htmlElement, peerConnection: this});</span>
<span class="cstat-no" title="statement not covered" > this.container = htmlElement;</span>
<span class="cstat-no" title="statement not covered" > if(Object.getOwnPropertyDescriptor(RTCPeerConnection.prototype, 'ontrack')) {</span>
<span class="cstat-no" title="statement not covered" > this.pc.ontrack = e => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~ontrack', e.streams[0]);</span>
<span class="cstat-no" title="statement not covered" > this.remoteStream = e.streams[0];</span>
};
} else {
<span class="cstat-no" title="statement not covered" > this.pc.onaddstream = e => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~onaddstream', e.stream);</span>
<span class="cstat-no" title="statement not covered" > this.remoteStream = e.stream;</span>
};
}
// Listen to SDP offer
<span class="cstat-no" title="statement not covered" > DataSync.on(`${this._remotePath}/sdp`, 'value', snap => <span class="fstat-no" title="function not covered" >{</span></span>
const sdpOffer = <span class="cstat-no" title="statement not covered" >snap.val();</span>
<span class="cstat-no" title="statement not covered" > Log.d('Offer', sdpOffer);</span>
<span class="cstat-no" title="statement not covered" > if(sdpOffer != null) {</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~offered', sdpOffer);</span>
<span class="cstat-no" title="statement not covered" > this.pc.setRemoteDescription(sdpOffer)</span>
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >Log.d('PeerConnection~remoteDescription', this.pc.remoteDescription))</span></span>
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if (/^offer$/.test(this.pc.remoteDescription.type)) {</span>
<span class="cstat-no" title="statement not covered" > return this.pc.createAnswer();</span>
}
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('SDP is not an offer'));</span>
})
.then(description => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this._setPreferredCodecs(description))</span></span>
.then(description => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this.pc.setLocalDescription(description))</span></span>
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~localDescription', this.pc.localDescription);</span>
<span class="cstat-no" title="statement not covered" > this._remoteICECandidates(true);</span>
})
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.update(`${this._localPath}/sdp`, _toJSON(this.pc.localDescription)))</span></span>
.catch(Log.r('PeerConnection~localDescription'));
}
});
<span class="cstat-no" title="statement not covered" > return Promise.resolve(this);</span>
}
/**
* Init RTCPeerConnection for publishers
* @access protected
* @param stream
* @returns {Promise.<PeerConnection>}
*/
offer(stream) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.i('PeerConnection~offer', {stream, peerConnection: this});</span>
let sendTimeout;
<span class="cstat-no" title="statement not covered" > return new Promise((resolve, reject) => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > this.pc.onnegotiationneeded = () => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~onnegotiationneeded');</span>
// Debounce send (renegotiation triggers multiple negotiationneeded events)
<span class="cstat-no" title="statement not covered" > if(sendTimeout) {</span>
<span class="cstat-no" title="statement not covered" > clearTimeout(sendTimeout);</span>
<span class="cstat-no" title="statement not covered" > sendTimeout = null;</span>
}
<span class="cstat-no" title="statement not covered" > sendTimeout = setTimeout(() => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > sendTimeout = null;</span>
<span class="cstat-no" title="statement not covered" > this._sendOffer()</span>
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > resolve(this);</span>
})
.catch(e => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~offer', e);</span>
<span class="cstat-no" title="statement not covered" > reject(e);</span>
});
}, 20);
};
<span class="cstat-no" title="statement not covered" > DataSync.on(`${this._remotePath}/sdp`, 'value', snap => <span class="fstat-no" title="function not covered" >{</span></span>
const sdpAnswer = <span class="cstat-no" title="statement not covered" >snap.val();</span>
<span class="cstat-no" title="statement not covered" > if(sdpAnswer != null) {</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~offer#answered', sdpAnswer);</span>
<span class="cstat-no" title="statement not covered" > this.pc.setRemoteDescription(sdpAnswer)</span>
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~offer#remoteDescription', this.pc.remoteDescription);</span>
<span class="cstat-no" title="statement not covered" > this._remoteICECandidates(true);</span>
})
.catch(Log.e.bind(Log, 'PeerConnection~remoteDescription'));
}
});
<span class="cstat-no" title="statement not covered" > this._alterStream(stream, 'add');</span>
});
}
/**
* Create SDP offer and push it
* @returns {Promise}
* @private
*/
_sendOffer() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~_sendOffer');</span>
<span class="cstat-no" title="statement not covered" > return this.pc.createOffer()</span>
.then(description => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this._setPreferredCodecs(description))</span></span>
.then(description => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this.pc.setLocalDescription(description))</span></span>
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >Log.d('PeerConnection~renegotiate#localDescription', this.pc.localDescription))</span></span>
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.update(`${this._localPath}/sdp`, _toJSON(this.pc.localDescription)))</span></span>;
}
/**
* Add/Remove tracks to the PeerConnection stream
* @param {MediaStream} stream
* @param {string} method
* @private
*/
_alterStream(stream, method) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(Object.getOwnPropertyDescriptor(RTCPeerConnection.prototype, `${method}Track`)) {</span>
<span class="cstat-no" title="statement not covered" > stream.getTracks().forEach(track => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this.pc[`${method}Track`](track, stream),</span></span> this);</span>
} else {
<span class="cstat-no" title="statement not covered" > this.pc[`${method}Stream`](stream);</span>
}
}
/**
* Restart SDP negotiation following a MediaStream change
* @access protected
* @param {MediaStream} oldStream
* @param {MediaStream} newStream
*/
renegotiate(oldStream, newStream) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~renegotiate');</span>
<span class="cstat-no" title="statement not covered" > if((Object.getOwnPropertyDescriptor(RTCPeerConnection.prototype, 'getSenders'))</span>
&& ('RTCRtpSender' in window)
&& Object.getOwnPropertyDescriptor(RTCRtpSender.prototype, 'replaceTrack')){
// mozRTCPeerConnection implementation
<span class="cstat-no" title="statement not covered" > this.pc.getSenders().forEach(sender => <span class="fstat-no" title="function not covered" >{</span></span>
let newTracks;
<span class="cstat-no" title="statement not covered" > switch (sender.track.kind) {</span>
case 'audio':
<span class="cstat-no" title="statement not covered" > newTracks = newStream.getAudioTracks();</span>
<span class="cstat-no" title="statement not covered" > break;</span>
case 'video':
<span class="cstat-no" title="statement not covered" > newTracks = newStream.getVideoTracks();</span>
<span class="cstat-no" title="statement not covered" > break;</span>
default:
<span class="cstat-no" title="statement not covered" > newTracks = [];</span>
}
<span class="cstat-no" title="statement not covered" > if(newTracks.length) {</span>
<span class="cstat-no" title="statement not covered" > sender.replaceTrack(newTracks[0]);</span>
}
});
<span class="cstat-no" title="statement not covered" > this._sendOffer()</span>
.catch(e => <span class="fstat-no" title="function not covered" >{<span class="cstat-no" title="statement not covered" >Log.d('PeerConnection~renegotiate', e);}</span>)</span>;
} else {
<span class="cstat-no" title="statement not covered" > this._alterStream(oldStream, 'remove');</span>
<span class="cstat-no" title="statement not covered" > this._alterStream(newStream, 'add');</span>
}
}
/**
* Close the PeerConnection and stop listening to SDP messages
* @access protected
*/
close() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(this._status === OPENED) {</span>
<span class="cstat-no" title="statement not covered" > this._status = CLOSING;</span>
// Stop display
<span class="cstat-no" title="statement not covered" > if (this.node) {</span>
<span class="cstat-no" title="statement not covered" > this.node.stop && this.node.stop();</span>
<span class="cstat-no" title="statement not covered" > this.node.srcObject = null;</span>
<span class="cstat-no" title="statement not covered" > this.container.removeChild(this.node);</span>
<span class="cstat-no" title="statement not covered" > this.node = null;</span>
}
// Stop listening to remote ICE candidates
<span class="cstat-no" title="statement not covered" > this._remoteICECandidates(false);</span>
// Stop listening to SDP messages
<span class="cstat-no" title="statement not covered" > DataSync.off(`${this._remotePath}/sdp`, 'value');</span>
// Remove data
<span class="cstat-no" title="statement not covered" > DataSync.remove(this._localPath);</span>
// Close PeerConnection
<span class="cstat-no" title="statement not covered" > if (this.pc && this.pc.signalingState !== 'closed') {</span>
<span class="cstat-no" title="statement not covered" > this.pc.onsignalingstatechange = () => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > if(this.pc.signalingState !== 'closed') {</span>
<span class="cstat-no" title="statement not covered" > this._status = CLOSED;</span>
}
};
<span class="cstat-no" title="statement not covered" > this.pc.close();</span>
} else {
<span class="cstat-no" title="statement not covered" > this._status = CLOSED;</span>
}
}
}
/**
* Edits the SDP to set the preferred audio/video codec
* @access private
* @param {RTCSessionDescription} description The description retrieved by createOffer/createAnswer
* @returns {RTCSessionDescription|{sdp: string, type: string}}
*/
_setPreferredCodecs(description) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(cache.config.preferredVideoCodec || cache.config.preferredAudioCodec) {</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~_setPreferredCodecs', {description, config: cache.config});</span>
const sdpLines = <span class="cstat-no" title="statement not covered" >description.sdp.split(/\r?\n/);</span>
const medias = <span class="cstat-no" title="statement not covered" >{audio: [], video: []};</span>
let current = <span class="cstat-no" title="statement not covered" >null;</span>
// Parse SDP
<span class="cstat-no" title="statement not covered" > sdpLines.forEach((sdpLine, i) => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > if(/^m=/.test(sdpLine)) {</span>
const d = <span class="cstat-no" title="statement not covered" >/^m=(\w+)\s[0-9\/]+\s[A-Za-z0-9\/]+\s([0-9\s]+)/.exec(sdpLine);</span>
<span class="cstat-no" title="statement not covered" > current = {</span>
fmt: d[2].split(/\s/),
index: i,
codecs: []
};
<span class="cstat-no" title="statement not covered" > medias[d[1]].push(current);</span>
} else <span class="cstat-no" title="statement not covered" >if(current && /^a=rtpmap:/.test(sdpLine)) {</span>
const c = <span class="cstat-no" title="statement not covered" >/^a=rtpmap:(\d+)\s([a-zA-Z0-9\-\/]+)/.exec(sdpLine);</span>
<span class="cstat-no" title="statement not covered" > if(c) {</span>
<span class="cstat-no" title="statement not covered" > current.codecs.push({</span>
id: c[1],
name: c[2],
index: i
});
}
}
});
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~_setPreferredCodecs', medias);</span>
let update = <span class="cstat-no" title="statement not covered" >false;</span>
const prefer = <span class="cstat-no" title="statement not covered" >(mediaList, preferedCodec) => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > mediaList.forEach(media => <span class="fstat-no" title="function not covered" >{</span></span>
const selected = <span class="cstat-no" title="statement not covered" >media.codecs.find(codec => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >preferedCodec.test(codec.name))</span></span>;</span>
<span class="cstat-no" title="statement not covered" > if(selected) {</span>
const fmt = <span class="cstat-no" title="statement not covered" >[selected.id].concat(media.fmt.filter(ids => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >ids !== selected.id)</span></span>);</span>
<span class="cstat-no" title="statement not covered" > sdpLines[media.index] = sdpLines[media.index].replace(media.fmt.join(' '), fmt.join(' '));</span>
<span class="cstat-no" title="statement not covered" > update = true;</span>
}
});
};
<span class="cstat-no" title="statement not covered" > if(cache.config.preferredVideoCodec) {</span>
<span class="cstat-no" title="statement not covered" > prefer(medias.video, cache.config.preferredVideoCodec);</span>
}
<span class="cstat-no" title="statement not covered" > if(cache.config.preferredAudioCodec) {</span>
<span class="cstat-no" title="statement not covered" > prefer(medias.audio, cache.config.preferredAudioCodec);</span>
}
<span class="cstat-no" title="statement not covered" > if(update) {</span>
<span class="cstat-no" title="statement not covered" > Log.d('PeerConnection~_setPreferredCodecs', sdpLines.join('\r\n'));</span>
<span class="cstat-no" title="statement not covered" > return {</span>
sdp: sdpLines.join('\r\n'),
type: description.type
};
}
}
<span class="cstat-no" title="statement not covered" > return description;</span>
}
}
</pre></td></tr>
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