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jeffvli 2023-07-01 19:10:05 -07:00
parent 22af76b4d6
commit 30e52ebb54
334 changed files with 76519 additions and 75932 deletions
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226
src/renderer/components/audio-player/utils/list-handlers.ts
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@ -3,129 +3,131 @@ import type { Dispatch } from 'react';
import { CrossfadeStyle } from '/@/renderer/types';
export const gaplessHandler = (args: {
currentTime: number;
duration: number;
isFlac: boolean;
isTransitioning: boolean;
nextPlayerRef: any;
setIsTransitioning: Dispatch<boolean>;
currentTime: number;
duration: number;
isFlac: boolean;
isTransitioning: boolean;
nextPlayerRef: any;
setIsTransitioning: Dispatch<boolean>;
}) => {
const { nextPlayerRef, currentTime, duration, isTransitioning, setIsTransitioning, isFlac } =
args;
const { nextPlayerRef, currentTime, duration, isTransitioning, setIsTransitioning, isFlac } =
args;
if (!isTransitioning) {
if (currentTime > duration - 2) {
return setIsTransitioning(true);
if (!isTransitioning) {
if (currentTime > duration - 2) {
return setIsTransitioning(true);
}
return null;
}
const durationPadding = isFlac ? 0.065 : 0.116;
if (currentTime + durationPadding >= duration) {
return nextPlayerRef.current.getInternalPlayer().play();
}
return null;
}
const durationPadding = isFlac ? 0.065 : 0.116;
if (currentTime + durationPadding >= duration) {
return nextPlayerRef.current.getInternalPlayer().play();
}
return null;
};
export const crossfadeHandler = (args: {
currentPlayer: 1 | 2;
currentPlayerRef: any;
currentTime: number;
duration: number;
fadeDuration: number;
fadeType: CrossfadeStyle;
isTransitioning: boolean;
nextPlayerRef: any;
player: 1 | 2;
setIsTransitioning: Dispatch<boolean>;
volume: number;
currentPlayer: 1 | 2;
currentPlayerRef: any;
currentTime: number;
duration: number;
fadeDuration: number;
fadeType: CrossfadeStyle;
isTransitioning: boolean;
nextPlayerRef: any;
player: 1 | 2;
setIsTransitioning: Dispatch<boolean>;
volume: number;
}) => {
const {
currentTime,
player,
currentPlayer,
currentPlayerRef,
nextPlayerRef,
fadeDuration,
fadeType,
duration,
volume,
isTransitioning,
setIsTransitioning,
} = args;
const {
currentTime,
player,
currentPlayer,
currentPlayerRef,
nextPlayerRef,
fadeDuration,
fadeType,
duration,
volume,
isTransitioning,
setIsTransitioning,
} = args;
if (!isTransitioning || currentPlayer !== player) {
const shouldBeginTransition = currentTime >= duration - fadeDuration;
if (!isTransitioning || currentPlayer !== player) {
const shouldBeginTransition = currentTime >= duration - fadeDuration;
if (shouldBeginTransition) {
setIsTransitioning(true);
return nextPlayerRef.current.getInternalPlayer().play();
if (shouldBeginTransition) {
setIsTransitioning(true);
return nextPlayerRef.current.getInternalPlayer().play();
}
return null;
}
const timeLeft = duration - currentTime;
let currentPlayerVolumeCalculation;
let nextPlayerVolumeCalculation;
let percentageOfFadeLeft;
let n;
switch (fadeType) {
case 'equalPower':
// https://dsp.stackexchange.com/a/14755
percentageOfFadeLeft = (timeLeft / fadeDuration) * 2;
currentPlayerVolumeCalculation = Math.sqrt(0.5 * percentageOfFadeLeft) * volume;
nextPlayerVolumeCalculation = Math.sqrt(0.5 * (2 - percentageOfFadeLeft)) * volume;
break;
case 'linear':
currentPlayerVolumeCalculation = (timeLeft / fadeDuration) * volume;
nextPlayerVolumeCalculation = ((fadeDuration - timeLeft) / fadeDuration) * volume;
break;
case 'dipped':
// https://math.stackexchange.com/a/4622
percentageOfFadeLeft = timeLeft / fadeDuration;
currentPlayerVolumeCalculation = percentageOfFadeLeft ** 2 * volume;
nextPlayerVolumeCalculation = (percentageOfFadeLeft - 1) ** 2 * volume;
break;
case fadeType.match(/constantPower.*/)?.input:
// https://math.stackexchange.com/a/26159
n =
fadeType === 'constantPower'
? 0
: fadeType === 'constantPowerSlowFade'
? 1
: fadeType === 'constantPowerSlowCut'
? 3
: 10;
percentageOfFadeLeft = timeLeft / fadeDuration;
currentPlayerVolumeCalculation =
Math.cos((Math.PI / 4) * ((2 * percentageOfFadeLeft - 1) ** (2 * n + 1) - 1)) *
volume;
nextPlayerVolumeCalculation =
Math.cos((Math.PI / 4) * ((2 * percentageOfFadeLeft - 1) ** (2 * n + 1) + 1)) *
volume;
break;
default:
currentPlayerVolumeCalculation = (timeLeft / fadeDuration) * volume;
nextPlayerVolumeCalculation = ((fadeDuration - timeLeft) / fadeDuration) * volume;
break;
}
const currentPlayerVolume =
currentPlayerVolumeCalculation >= 0 ? currentPlayerVolumeCalculation : 0;
const nextPlayerVolume =
nextPlayerVolumeCalculation <= volume ? nextPlayerVolumeCalculation : volume;
if (currentPlayer === 1) {
currentPlayerRef.current.getInternalPlayer().volume = currentPlayerVolume;
nextPlayerRef.current.getInternalPlayer().volume = nextPlayerVolume;
} else {
currentPlayerRef.current.getInternalPlayer().volume = currentPlayerVolume;
nextPlayerRef.current.getInternalPlayer().volume = nextPlayerVolume;
}
// }
return null;
}
const timeLeft = duration - currentTime;
let currentPlayerVolumeCalculation;
let nextPlayerVolumeCalculation;
let percentageOfFadeLeft;
let n;
switch (fadeType) {
case 'equalPower':
// https://dsp.stackexchange.com/a/14755
percentageOfFadeLeft = (timeLeft / fadeDuration) * 2;
currentPlayerVolumeCalculation = Math.sqrt(0.5 * percentageOfFadeLeft) * volume;
nextPlayerVolumeCalculation = Math.sqrt(0.5 * (2 - percentageOfFadeLeft)) * volume;
break;
case 'linear':
currentPlayerVolumeCalculation = (timeLeft / fadeDuration) * volume;
nextPlayerVolumeCalculation = ((fadeDuration - timeLeft) / fadeDuration) * volume;
break;
case 'dipped':
// https://math.stackexchange.com/a/4622
percentageOfFadeLeft = timeLeft / fadeDuration;
currentPlayerVolumeCalculation = percentageOfFadeLeft ** 2 * volume;
nextPlayerVolumeCalculation = (percentageOfFadeLeft - 1) ** 2 * volume;
break;
case fadeType.match(/constantPower.*/)?.input:
// https://math.stackexchange.com/a/26159
n =
fadeType === 'constantPower'
? 0
: fadeType === 'constantPowerSlowFade'
? 1
: fadeType === 'constantPowerSlowCut'
? 3
: 10;
percentageOfFadeLeft = timeLeft / fadeDuration;
currentPlayerVolumeCalculation =
Math.cos((Math.PI / 4) * ((2 * percentageOfFadeLeft - 1) ** (2 * n + 1) - 1)) * volume;
nextPlayerVolumeCalculation =
Math.cos((Math.PI / 4) * ((2 * percentageOfFadeLeft - 1) ** (2 * n + 1) + 1)) * volume;
break;
default:
currentPlayerVolumeCalculation = (timeLeft / fadeDuration) * volume;
nextPlayerVolumeCalculation = ((fadeDuration - timeLeft) / fadeDuration) * volume;
break;
}
const currentPlayerVolume =
currentPlayerVolumeCalculation >= 0 ? currentPlayerVolumeCalculation : 0;
const nextPlayerVolume =
nextPlayerVolumeCalculation <= volume ? nextPlayerVolumeCalculation : volume;
if (currentPlayer === 1) {
currentPlayerRef.current.getInternalPlayer().volume = currentPlayerVolume;
nextPlayerRef.current.getInternalPlayer().volume = nextPlayerVolume;
} else {
currentPlayerRef.current.getInternalPlayer().volume = currentPlayerVolume;
nextPlayerRef.current.getInternalPlayer().volume = nextPlayerVolume;
}
// }
return null;
};