mirror of
https://github.com/pierre42100/ComunicWeb
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11 lines
86 KiB
JavaScript
11 lines
86 KiB
JavaScript
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* The buffer module from node.js, for the browser.
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*
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* @author Feross Aboukhadijeh <https://feross.org>
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* @license MIT
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*/"use strict";var $=String.fromCharCode,J=Math.min;function o(e){if(2147483647<e)throw new RangeError("The value \""+e+"\" is invalid for option \"size\"");var t=new Uint8Array(e);return t.__proto__=s.prototype,t}function s(e,t,n){if("number"==typeof e){if("string"==typeof t)throw new TypeError("The \"string\" argument must be of type string. Received type number");return p(e)}return d(e,t,n)}function d(e,t,n){if("string"==typeof e)return f(e,t);if(ArrayBuffer.isView(e))return u(e);if(null==e)throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof e);if(Y(e,ArrayBuffer)||e&&Y(e.buffer,ArrayBuffer))return g(e,t,n);if("number"==typeof e)throw new TypeError("The \"value\" argument must not be of type number. 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n=s[e.localCandidateId];n&&n.ip?(t.localAddress=n.ip,t.localPort=+n.port):n&&n.ipAddress?(t.localAddress=n.ipAddress,t.localPort=+n.portNumber):"string"==typeof e.googLocalAddress&&(n=e.googLocalAddress.split(":"),t.localAddress=n[0],t.localPort=+n[1]);var r=a[e.remoteCandidateId];r&&r.ip?(t.remoteAddress=r.ip,t.remotePort=+r.port):r&&r.ipAddress?(t.remoteAddress=r.ipAddress,t.remotePort=+r.portNumber):"string"==typeof e.googRemoteAddress&&(r=e.googRemoteAddress.split(":"),t.remoteAddress=r[0],t.remotePort=+r[1]),t.remoteFamily="IPv4",t._debug("connect local: %s:%s remote: %s:%s",t.localAddress,t.localPort,t.remoteAddress,t.remotePort)}if(!t.destroyed){n&&(r=[]);var a={},s={},d={},l=!1;if(r.forEach(function(e){("remotecandidate"===e.type||"remote-candidate"===e.type)&&(a[e.id]=e),("localcandidate"===e.type||"local-candidate"===e.type)&&(s[e.id]=e),("candidatepair"===e.type||"candidate-pair"===e.type)&&(d[e.id]=e)}),r.forEach(function(e){"transport"===e.type&&e.selectedCandidatePairId&&o(d[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&o(e)}),!l&&(!Object.keys(d).length||Object.keys(s).length))return void setTimeout(e,100);if(t._connecting=!1,t.connected=!0,t._chunk){try{t.send(t._chunk)}catch(e){return t.destroy(i(e,"ERR_DATA_CHANNEL"))}t._chunk=null,t._debug("sent chunk from \"write before connect\"");var c=t._cb;t._cb=null,c(null)}"number"!=typeof t._channel.bufferedAmountLowThreshold&&(t._interval=setInterval(function(){t._onInterval()},150),t._interval.unref&&t._interval.unref()),t._debug("connect"),t.emit("connect")}})}var t=this;t._debug("maybeReady pc %s channel %s",t._pcReady,t._channelReady),t.connected||t._connecting||!t._pcReady||!t._channelReady||(t._connecting=!0,e())},r.prototype._onInterval=function(){var e=this;e._cb&&e._channel&&!(e._channel.bufferedAmount>u)&&e._onChannelBufferedAmountLow()},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||("stable"===e._pc.signalingState&&!e._firstStable&&(e._isNegotiating=!1,e._debug("flushing sender queue",e._sendersAwaitingStable),e._sendersAwaitingStable.forEach(function(t){e._pc.removeTrack(t),e._queuedNegotiation=!0}),e._sendersAwaitingStable=[],e._queuedNegotiation&&(e._debug("flushing negotiation queue"),e._queuedNegotiation=!1,e._needsNegotiation()),e._debug("negotiate"),e.emit("negotiate")),e._firstStable=!1,e._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){var t=this;t.destroyed||(e.candidate&&t.trickle?t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):!e.candidate&&!t._iceComplete&&(t._iceComplete=!0,t.emit("_iceComplete")),e.candidate&&t._startIceCompleteTimeout())},r.prototype._onChannelMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;r instanceof ArrayBuffer&&(r=n.from(r)),t.push(r)}},r.prototype._onChannelBufferedAmountLow=function(){var e=this;if(!e.destroyed&&e._cb){e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},r.prototype._onChannelOpen=function(){var e=this;e.connected||e.destroyed||(e._debug("on channel open"),e._channelReady=!0,e._maybeReady())},r.prototype._onChannelClose=function(){var e=this;e.destroyed||(e._debug("on channel close"),e.destroy())},r.prototype._onTrack=function(e){var t=this;t.destroyed||e.streams.forEach(function(n){t._debug("on track"),t.emit("track",e.track,n),t._remoteTracks.push({track:e.track,stream:n}),t._remoteStreams.some(function(e){return e.id===n.id})||(t._remoteStreams.push(n),setTimeout(function(){t.emit("stream",n)},0))})},r.prototype.setConstraints=function(e){var t=this;t.initiator?t.offerConstraints=t._transformConstraints(e):t.answerConstraints=t._transformConstraints(e)},r.prototype._debug=function(){var e=this,t=[].slice.call(arguments);t[0]="["+e._id+"] "+t[0],d.apply(null,t)},r.prototype._transformConstraints=function(e){var t=this;if(0===Object.keys(e).length)return e;if((e.mandatory||e.optional)&&!t._isChromium){var n=Object.assign({},e.optional,e.mandatory);return void 0!==n.OfferToReceiveVideo&&(n.offerToReceiveVideo=n.OfferToReceiveVideo,delete n.OfferToReceiveVideo),void 0!==n.OfferToReceiveAudio&&(n.offerToReceiveAudio=n.OfferToReceiveAudio,delete n.OfferToReceiveAudio),n}return e.mandatory||e.optional||!t._isChromium?e:(void 0!==e.offerToReceiveVideo&&(e.OfferToReceiveVideo=e.offerToReceiveVideo,delete e.offerToReceiveVideo),void 0!==e.offerToReceiveAudio&&(e.OfferToReceiveAudio=e.offerToReceiveAudio,delete e.offerToReceiveAudio),{mandatory:e})}}).call(this,e("buffer").Buffer)},{buffer:3,debug:6,"get-browser-rtc":8,inherits:10,randombytes:16,"readable-stream":25}]},{},[])("/")}); |