mirrors/jellyfin-web
1
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin-web synced 2025-03-30 19:56:21 +00:00
Code Activity

update hls playback

Browse source
This commit is contained in:
Luke Pulverenti 2016-04-20 14:51:47 -04:00
parent 7919706532
commit 396b125d66
27 changed files with 438 additions and 728 deletions
Download patch file Download diff file Expand all files Collapse all files

74
dashboard-ui/bower_components/hls.js/src/controller/fps-controller.js vendored
View file

@ -3,72 +3,46 @@
*/
import Event from '../events';
import EventHandler from '../event-handler';
import {logger} from '../utils/logger';
class FPSController extends EventHandler{
class FPSController {
constructor(hls) {
super(hls, Event.MEDIA_ATTACHING);
this.hls = hls;
this.timer = setInterval(this.checkFPS, hls.config.fpsDroppedMonitoringPeriod);
}
destroy() {
if (this.timer) {
clearInterval(this.timer);
clearInterval(this.timer);
}
this.isVideoPlaybackQualityAvailable = false;
}
onMediaAttaching(data) {
if (this.hls.config.capLevelOnFPSDrop) {
this.video = data.media instanceof HTMLVideoElement ? data.media : null;
if (typeof this.video.getVideoPlaybackQuality === 'function') {
this.isVideoPlaybackQualityAvailable = true;
}
clearInterval(this.timer);
this.timer = setInterval(this.checkFPSInterval.bind(this), this.hls.config.fpsDroppedMonitoringPeriod);
}
}
checkFPS(video, decodedFrames, droppedFrames) {
let currentTime = performance.now();
if (decodedFrames) {
if (this.lastTime) {
let currentPeriod = currentTime - this.lastTime,
currentDropped = droppedFrames - this.lastDroppedFrames,
currentDecoded = decodedFrames - this.lastDecodedFrames,
droppedFPS = 1000 * currentDropped / currentPeriod;
this.hls.trigger(Event.FPS_DROP, {currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames});
if (droppedFPS > 0) {
//logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));
if (currentDropped > this.hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {
let currentLevel = this.hls.currentLevel;
logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);
if (currentLevel > 0 && (this.hls.autoLevelCapping === -1 || this.hls.autoLevelCapping >= currentLevel)) {
currentLevel = currentLevel - 1;
this.hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, {level: currentLevel, droppedLevel: this.hls.currentLevel});
this.hls.autoLevelCapping = currentLevel;
this.hls.streamController.nextLevelSwitch();
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;
}
this.lastTime = currentTime;
this.lastDroppedFrames = droppedFrames;
this.lastDecodedFrames = decodedFrames;
}
}
checkFPSInterval() {
if (this.video) {
if (this.isVideoPlaybackQualityAvailable) {
let videoPlaybackQuality = this.video.getVideoPlaybackQuality();
this.checkFPS(this.video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);
} else {
this.checkFPS(this.video, this.video.webkitDecodedFrameCount, this.video.webkitDroppedFrameCount);
}
}
}
}
export default FPSController;