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Remove unused playback diff setting

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This commit is contained in:
Bill Thornton 2021-09-01 10:28:49 -04:00
parent 730b9d36a8
commit 6172c00c3c
2 changed files with 17 additions and 29 deletions
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13
src/components/syncPlay/core/PlaybackCore.js
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@ -538,9 +538,6 @@ class PlaybackCore {
// Diff might be caused by the player internally starting the playback.
const diffMillis = (serverPositionTicks - currentPositionTicks) / Helper.TicksPerMillisecond;
// Adapt playback diff to selected device for time syncing.
const targetPlaybackDiff = diffMillis - this.timeSyncCore.getPlaybackDiff();
// Notify update for playback sync.
this.playbackDiffMillis = diffMillis;
Events.trigger(this.manager, 'playback-diff', [this.playbackDiffMillis]);
@ -553,22 +550,22 @@ class PlaybackCore {
const playerWrapper = this.manager.getPlayerWrapper();
if (this.syncEnabled && this.enableSyncCorrection) {
const absDiffMillis = Math.abs(targetPlaybackDiff);
const absDiffMillis = Math.abs(diffMillis);
// TODO: SpeedToSync sounds bad on songs.
// TODO: SpeedToSync is failing on Safari (Mojave); even if playbackRate is supported, some delay seems to exist.
// TODO: both SpeedToSync and SpeedToSync seem to have a hard time keeping up on Android Chrome as well.
if (playerWrapper.hasPlaybackRate() && this.useSpeedToSync && absDiffMillis >= this.minDelaySpeedToSync && absDiffMillis < this.maxDelaySpeedToSync) {
// Fix negative speed when client is ahead of time more than speedToSyncTime.
const MinSpeed = 0.2;
if (targetPlaybackDiff <= -speedToSyncTime * MinSpeed) {
speedToSyncTime = Math.abs(targetPlaybackDiff) / (1.0 - MinSpeed);
if (diffMillis <= -speedToSyncTime * MinSpeed) {
speedToSyncTime = Math.abs(diffMillis) / (1.0 - MinSpeed);
}
// SpeedToSync strategy.
const speed = 1 + targetPlaybackDiff / speedToSyncTime;
const speed = 1 + diffMillis / speedToSyncTime;
if (speed <= 0) {
console.error('SyncPlay error: speed should not be negative!', speed, targetPlaybackDiff, speedToSyncTime);
console.error('SyncPlay error: speed should not be negative!', speed, diffMillis, speedToSyncTime);
}
playerWrapper.setPlaybackRate(speed);

33
src/components/syncPlay/core/timeSync/TimeSyncCore.js
View file

@ -7,6 +7,16 @@ import { Events } from 'jellyfin-apiclient';
import Settings from '../Settings';
import TimeSyncServer from './TimeSyncServer';
/**
* Utility function to offset a given date by a given amount of milliseconds.
* @param {Date} date The date.
* @param {number} offset The offset, in milliseconds.
* @returns {Date} The offset date.
*/
function offsetDate(date, offset) {
return new Date(date.getTime() + offset);
}
/**
* Class that manages time syncing with several devices.
*/
@ -89,7 +99,7 @@ class TimeSyncCore {
*/
remoteDateToLocal(remote) {
const date = this.timeSyncServer.remoteDateToLocal(remote);
return this.offsetDate(date, -this.extraTimeOffset);
return offsetDate(date, -this.extraTimeOffset);
}
/**
@ -99,7 +109,7 @@ class TimeSyncCore {
*/
localDateToRemote(local) {
const date = this.timeSyncServer.localDateToRemote(local);
return this.offsetDate(date, this.extraTimeOffset);
return offsetDate(date, this.extraTimeOffset);
}
/**
@ -109,25 +119,6 @@ class TimeSyncCore {
getTimeOffset() {
return this.timeSyncServer.getTimeOffset() + this.extraTimeOffset;
}
/**
* Gets the playback diff that should be used to offset local playback, in milliseconds.
* @returns {number} The time offset.
*/
getPlaybackDiff() {
// TODO: this will use playback data from WebRTC peers.
return 0;
}
/**
* Offsets a given date by a given ammount of milliseconds.
* @param {Date} date The date.
* @param {number} offset The offset, in milliseconds.
* @returns {Date} The offset date.
*/
offsetDate(date, offset) {
return new Date(date.getTime() + offset);
}
}
export default TimeSyncCore;