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get api libs from bower

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This commit is contained in:
Luke Pulverenti 2015-12-16 00:30:14 -05:00
parent def418714f
commit f36e664503
97 changed files with 16860 additions and 197 deletions
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49
dashboard-ui/bower_components/hls.js/src/controller/fps-controller.js vendored Normal file
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/*
* FPS Controller
*/
import Event from '../events';
import {logger} from '../utils/logger';
class FPSController {
constructor(hls) {
this.hls = hls;
this.timer = setInterval(this.checkFPS, hls.config.fpsDroppedMonitoringPeriod);
}
destroy() {
if (this.timer) {
clearInterval(this.timer);
}
}
checkFPS() {
var v = this.hls.video;
if (v) {
var decodedFrames = v.webkitDecodedFrameCount, droppedFrames = v.webkitDroppedFrameCount, currentTime = new Date();
if (decodedFrames) {
if (this.lastTime) {
var currentPeriod = currentTime - this.lastTime;
var currentDropped = droppedFrames - this.lastDroppedFrames;
var currentDecoded = decodedFrames - this.lastDecodedFrames;
var decodedFPS = 1000 * currentDecoded / currentPeriod;
var droppedFPS = 1000 * currentDropped / currentPeriod;
if (droppedFPS > 0) {
logger.log(`checkFPS : droppedFPS/decodedFPS:${droppedFPS.toFixed(1)}/${decodedFPS.toFixed(1)}`);
if (currentDropped > this.hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {
logger.warn('drop FPS ratio greater than max allowed value');
this.hls.trigger(Event.FPS_DROP, {currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames});
}
}
}
this.lastTime = currentTime;
this.lastDroppedFrames = droppedFrames;
this.lastDecodedFrames = decodedFrames;
}
}
}
}
export default FPSController;