twilio-video/es5/stats/remotevideotrackstats.js

Twilio Video JavaScript Library

'use strict';
const RemoteTrackStats = require('./remotetrackstats');
/**
 * Statistics for a {@link VideoTrack}.
 * @extends RemoteTrackStats
 * @property {?VideoTrack#Dimensions} dimensions - Received video resolution
 * @property {?number} frameRate - Received video frame rate
 * @property {?number} freezeCount - Total number of video freezes experienced by this receiver
 */
class RemoteVideoTrackStats extends RemoteTrackStats {
    /**
     * @param {string} trackId - {@link VideoTrack} ID
     * @param {StandardizedTrackStatsReport} statsReport
     */
    constructor(trackId, statsReport) {
        super(trackId, statsReport);
        let dimensions = null;
        if (typeof statsReport.frameWidthReceived === 'number' &&
            typeof statsReport.frameHeightReceived === 'number') {
            dimensions = {};
            Object.defineProperties(dimensions, {
                width: {
                    value: statsReport.frameWidthReceived,
                    enumerable: true
                },
                height: {
                    value: statsReport.frameHeightReceived,
                    enumerable: true
                }
            });
        }
        Object.defineProperties(this, {
            dimensions: {
                value: dimensions,
                enumerable: true
            },
            frameRate: {
                value: typeof statsReport.frameRateReceived === 'number'
                    ? statsReport.frameRateReceived
                    : null,
                enumerable: true
            },
            freezeCount: {
                value: typeof statsReport.freezeCount === 'number'
                    ? statsReport.freezeCount
                    : null,
                enumerable: true
            }
        });
    }
}
module.exports = RemoteVideoTrackStats;
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