mirror of https://github.com/jech/galene.git
WIP
This commit is contained in:
Juliusz Chroboczek
parent
5722270cc7
commit
300d6e2e9d
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@ -214,16 +214,19 @@
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<option value="lowest">lowest</option>
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<option value="low">low</option>
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<option value="normal" selected>normal</option>
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<option value="unlimited">unlimited</option>
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<option value="high">high</option>
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<option value="highest">highest</option>
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</select>
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</form>
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<form id="simulcastform">
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<label for="simulcastselect" class="sidenav-label-first">Simulcast:</label>
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<select id="simulcastselect" class="select select-inline">
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<form id="scalabilityform">
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<label for="scalabilityselect" class="sidenav-label-first">Scalability mode:</label>
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<select id="scalabilityselect" class="select select-inline">
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<option value="off">off</option>
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<option value="auto" selected>auto</option>
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<option value="on">on</option>
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<option value="svc">SVC</option>
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<option value="simulcast">simulcast</option>
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<option value="both">both</option>
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</select>
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</form>
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181
static/galene.js
181
static/galene.js
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@ -40,7 +40,7 @@ let connectingAgain = false;
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* @property {boolean} [localMute]
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* @property {string} [video]
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* @property {string} [audio]
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* @property {string} [simulcast]
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* @property {string} [scalability]
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* @property {string} [send]
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* @property {string} [request]
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* @property {boolean} [activityDetection]
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@ -195,10 +195,10 @@ function reflectSettings() {
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store = true;
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}
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if(settings.hasOwnProperty('simulcast')) {
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getSelectElement('simulcastselect').value = settings.simulcast
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if(settings.hasOwnProperty('scalability')) {
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getSelectElement('scalabilityselect').value = settings.scalability;
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} else {
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settings.simulcast = getSelectElement('simulcastselect').value;
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settings.scalability = getSelectElement('scalabilityselect').value;
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store = true;
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}
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@ -280,11 +280,6 @@ function isSafari() {
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return ua.indexOf('safari') >= 0 && ua.indexOf('chrome') < 0;
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}
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function isFirefox() {
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let ua = navigator.userAgent.toLowerCase();
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return ua.indexOf('firefox') >= 0;
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}
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/** @type {MediaStream} */
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let safariStream = null;
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@ -496,7 +491,7 @@ function setButtonsVisibility() {
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setVisibility('mediaoptions', present);
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setVisibility('sendform', present);
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setVisibility('simulcastform', present);
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setVisibility('scalabilityform', present);
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setVisibility('collapse-video', mediacount && mobilelayout);
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}
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@ -598,24 +593,6 @@ getSelectElement('filterselect').onchange = async function(e) {
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}
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};
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/** @returns {number} */
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function getMaxVideoThroughput() {
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let v = getSettings().send;
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switch(v) {
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case 'lowest':
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return 150000;
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case 'low':
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return 300000;
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case 'normal':
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return 700000;
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case 'unlimited':
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return null;
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default:
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console.error('Unknown video quality', v);
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return 700000;
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}
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}
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getSelectElement('sendselect').onchange = async function(e) {
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if(!(this instanceof HTMLSelectElement))
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throw new Error('Unexpected type for this');
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@ -623,10 +600,10 @@ getSelectElement('sendselect').onchange = async function(e) {
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await reconsiderSendParameters();
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};
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getSelectElement('simulcastselect').onchange = async function(e) {
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getSelectElement('scalabilityselect').onchange = async function(e) {
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if(!(this instanceof HTMLSelectElement))
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throw new Error('Unexpected type for this');
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updateSettings({simulcast: this.value});
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updateSettings({scalability: this.value});
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await reconsiderSendParameters();
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};
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@ -908,14 +885,78 @@ function newUpStream(localId) {
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return c;
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}
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const simulcastRate = 100000;
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const hqAudioRate = 128000;
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const videoRates = {
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lowest: 150000,
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low: 300000,
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normal: 700000,
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high: 1500000,
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highest: 3000000,
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};
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/**
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* Sets an up stream's video throughput and simulcast parameters.
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* @typedef {Object} sendParameters
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* @property {number} maxBitrate
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* @property {string} scalabilityMode
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* @property {boolean} simulcast
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*/
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/**
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* @returns {sendParameters}
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*/
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function getSendParameters() {
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let bps = videoRates[getSettings().send];
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if(!bps) {
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console.error('Unknown video quality');
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bps = 700000;
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}
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/** @type{sendParameters} */
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let parms = {
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maxBitrate: bps,
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scalabilityMode: 'L1T1',
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simulcast: false,
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}
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switch(getSettings().scalability) {
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case 'off':
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return parms;
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case 'svc':
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parms.scalabilityMode = 'L3T3';
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return parms;
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case 'simulcast':
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parms.simulcast = true;
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return parms;
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case 'both':
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parms.scalabilityMode = 'L1T3';
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parms.simulcast = true;
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return parms;
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default:
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let count = 0;
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for(let n in serverConnection.users) {
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if(!serverConnection.users[n].permissions["system"]) {
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count++;
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if(count > 2)
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break;
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}
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}
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if(count <= 2)
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return parms;
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if(!bps || bps < 2 * simulcastRate)
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return parms;
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parms.scalabilityMode = 'L3T3';
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return parms;
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}
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}
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/**
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* Sets an up stream's video throughput and scalability parameters.
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*
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* @param {Stream} c
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* @param {number} bps
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* @param {boolean} simulcast
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* @param {sendParameters} parms
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*/
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async function setSendParameters(c, bps, simulcast) {
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async function setSendParameters(c, parms) {
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if(!c.up)
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throw new Error('Setting throughput of down stream');
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let senders = c.pc.getSenders();
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@ -925,14 +966,15 @@ async function setSendParameters(c, bps, simulcast) {
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continue;
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let p = s.getParameters();
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if((!p.encodings ||
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!simulcast && p.encodings.length != 1) ||
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(simulcast && p.encodings.length != 2)) {
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!parms.simulcast && p.encodings.length != 1) ||
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(parms.simulcast && p.encodings.length < 2)) {
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await replaceUpStream(c);
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return;
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}
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p.encodings.forEach(e => {
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if(!e.rid || e.rid === 'h')
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e.maxBitrate = bps || unlimitedRate;
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e.maxBitrate = parms.maxBitrate;
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e.scalabilityMode = parms.scalabilityMode;
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});
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await s.setParameters(p);
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}
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@ -945,12 +987,11 @@ let reconsiderParametersTimer = null;
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*/
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async function reconsiderSendParameters() {
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cancelReconsiderParameters();
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let t = getMaxVideoThroughput();
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let s = doSimulcast();
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let parms = getSendParameters();
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let promises = [];
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for(let id in serverConnection.up) {
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let c = serverConnection.up[id];
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promises.push(setSendParameters(c, t, s));
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promises.push(setSendParameters(c, parms));
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}
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await Promise.all(promises);
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}
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@ -1167,37 +1208,6 @@ function addFilters() {
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}
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}
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const unlimitedRate = 1000000000;
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const simulcastRate = 100000;
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const hqAudioRate = 128000;
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/**
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* Decide whether we want to send simulcast.
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*
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* @returns {boolean}
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*/
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function doSimulcast() {
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switch(getSettings().simulcast) {
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case 'on':
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return true;
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case 'off':
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return false;
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default:
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let count = 0;
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for(let n in serverConnection.users) {
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if(!serverConnection.users[n].permissions["system"]) {
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count++;
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if(count > 2)
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break;
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}
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}
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if(count <= 2)
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return false;
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let bps = getMaxVideoThroughput();
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return bps <= 0 || bps >= 2 * simulcastRate;
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}
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}
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/**
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* Sets up c to send the given stream. Some extra parameters are stored
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* in c.userdata.
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@ -1250,24 +1260,26 @@ function setUpStream(c, stream) {
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};
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let encodings = [];
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let simulcast = doSimulcast();
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let parms = getSendParameters();
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if(t.kind === 'video') {
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let bps = getMaxVideoThroughput();
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// Firefox doesn't like us setting the RID if we're not
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// simulcasting.
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if(simulcast && c.label !== 'screenshare') {
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if(parms.simulcast) {
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encodings.push({
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rid: 'h',
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maxBitrate: bps || unlimitedRate,
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maxBitrate: parms.maxBitrate,
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scalabilityMode: parms.scalabilityMode,
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});
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encodings.push({
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rid: 'l',
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scaleResolutionDownBy: 2,
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maxBitrate: simulcastRate,
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scalabilityMode: parms.scalabilityMode,
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});
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} else {
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encodings.push({
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maxBitrate: bps || unlimitedRate,
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maxBitrate: parms.maxBitrate,
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scalabilityMode: parms.scalabilityMode,
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});
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}
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} else {
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@ -1277,22 +1289,11 @@ function setUpStream(c, stream) {
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});
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}
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}
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let tr = c.pc.addTransceiver(t, {
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c.pc.addTransceiver(t, {
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direction: 'sendonly',
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streams: [stream],
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sendEncodings: encodings,
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});
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// Firefox before 110 does not implement sendEncodings, and
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// requires this hack, which throws an exception on Chromium.
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try {
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let p = tr.sender.getParameters();
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if(!p.encodings) {
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p.encodings = encodings;
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tr.sender.setParameters(p);
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}
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} catch(e) {
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}
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}
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// c.stream might be different from stream if there's a filter
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@ -3923,10 +3924,6 @@ async function start() {
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);
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}
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// Disable simulcast on Firefox by default, it's buggy.
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if(isFirefox())
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getSelectElement('simulcastselect').value = 'off';
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let parms = new URLSearchParams(window.location.search);
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if(window.location.search)
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window.history.replaceState(null, '', window.location.pathname);
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