tav-media
Version:
Cross platform media editing framework
174 lines (173 loc) • 7.02 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
import { updateNative } from '../types/tav-object';
import { tav } from '../tav';
import { Effect } from './tav-effect';
/**
* Effect used to changes the audio volume of input.
* @category Effects
*/
export class AudioVolumeEffect extends Effect {
constructor() {
super(...arguments);
this.type = 'AudioVolumeEffect';
this._defaultVolume = 1;
}
/**
* Creates a fade in and fade out AudioVolumeEffect.
*/
static MakeFIFOEffect(clip, maxVolume, fadeInDuration, fadeOutDuration) {
return __awaiter(this, void 0, void 0, function* () {
const effect = this.MakeFromClip(clip);
if (effect) {
effect.volumeEffects = {
effectType: 0 /* VolumeEffectType.FIFOEffect */,
maxVolume,
fadeInDuration,
fadeOutDuration,
};
}
return effect;
});
}
/**
* Creates Audio Effect with the specified clip and keyframe list.
*/
static MakeVolumeEffect(clip, volumeRampList, defaultVolume = 1) {
return __awaiter(this, void 0, void 0, function* () {
const effect = this.MakeFromClip(clip);
if (effect) {
effect.volumeEffects = {
effectType: 1 /* VolumeEffectType.VolumeEffect */,
volumeRampList,
};
effect._defaultVolume = defaultVolume;
}
return effect;
});
}
static MakeFromClip(clip) {
if (!clip) {
return null;
}
const audioVolumeEffect = new AudioVolumeEffect();
audioVolumeEffect.clip = clip;
audioVolumeEffect.addInput(clip);
return audioVolumeEffect;
}
/**
* Get the current volume calculated by the effect.
*/
getCurrentVolume() {
if (this.nativeClip) {
return tav.AudioVolumeEffect.getCurrentVolume(this.nativeClip);
}
}
clone() {
const newColorTuningEffect = new AudioVolumeEffect();
const _a = this, { _nativeObject: _nativeClip, parent, id, nativeInvalidated } = _a, otherProperties = __rest(_a, ["_nativeObject", "parent", "id", "nativeInvalidated"]);
return Object.assign(newColorTuningEffect, otherProperties);
}
build() {
const _super = Object.create(null, {
build: { get: () => super.build }
});
return __awaiter(this, void 0, void 0, function* () {
this.inputClip = yield this.clip.build();
if (!this.inputClip)
return undefined;
return yield _super.build.call(this);
});
}
createClip() {
return __awaiter(this, void 0, void 0, function* () {
let effect;
if (this.volumeEffects.effectType === 0 /* VolumeEffectType.FIFOEffect */) {
effect = yield tav.AudioVolumeEffect.MakeFIFOEffect(this.inputClip, this.volumeEffects.maxVolume, this.volumeEffects.fadeInDuration, this.volumeEffects.fadeOutDuration);
}
else if (this.volumeEffects.effectType === 1 /* VolumeEffectType.VolumeEffect */) {
effect = yield tav.AudioVolumeEffect.MakeVolumeEffect(this.inputClip, this.volumeEffects.volumeRampList, this._defaultVolume);
}
return effect;
});
}
/**
* Tell the effect how to update the volume.
*
* Use `FIFOEffect` to define a fade in and fade out volume effect.
*
* Use `VolumeEffect` to define a keyframe based volume effect.
*/
get volumeEffects() {
return this._volumeEffects;
}
set volumeEffects(val) {
this._volumeEffects = val;
if (!this.nativeClip) {
return;
}
let volumeRampList;
if (val.effectType === 1 /* VolumeEffectType.VolumeEffect */) {
volumeRampList = val.volumeRampList;
}
else {
volumeRampList = convertFIFOEffectToVolumeEffect(this.clip.duration, val).volumeRampList;
}
const effect = this.nativeClip;
if (tav.webAssemblyQueue.exec) {
tav.webAssemblyQueue.exec(effect.setVolumeRamp, this.nativeClip, volumeRampList);
}
else {
effect.setVolumeRamp(volumeRampList);
}
}
}
__decorate([
updateNative
], AudioVolumeEffect.prototype, "volumeEffects", null);
function convertFIFOEffectToVolumeEffect(duration, fifoEffect) {
const maxVolume = Math.max(fifoEffect.maxVolume, 0);
return {
effectType: 1 /* VolumeEffectType.VolumeEffect */,
volumeRampList: [
{
startTime: 0,
endTime: Math.min(duration, fifoEffect.fadeInDuration),
startValue: 0,
endValue: maxVolume,
interpolationType: 1 /* KeyframeInterpolationType.Linear */,
},
{
startTime: Math.max(duration - fifoEffect.fadeOutDuration, 0),
endTime: duration,
startValue: maxVolume,
endValue: 0,
interpolationType: 1 /* KeyframeInterpolationType.Linear */,
},
],
};
}