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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);