tav-media/lib/src/effects/tav-effect.js

Cross platform media editing framework

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); } }
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        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import { Clip } from '../clips/tav-clip';
import { updateNativeIfEffect } from '../types/tav-object';
/**
 * Effect takes audiovisual outputs from other clips as its inputs and generate new audiovisual
 * outputs from them.
 * @category Effects
 */
export class Effect extends Clip {
    constructor() {
        super(...arguments);
        this.type = 'Effect';
        this.inputs = [];
    }
    /**
     * Adds a clip as one input source.
     * @param clip input clip
     */
    addInput(clip) {
        this.inputs.push(clip);
    }
    /**
     * Removes the specified clip from input sources.
     * @param clip remove clip
     */
    removeInput(clip) {
        const index = this.inputs.indexOf(clip);
        if (index >= 0) {
            this.inputs.splice(index, 1);
        }
    }
    /**
     * Removes all clips from input sources.
     */
    removeAllInputs() {
        this.inputs.length = 0;
    }
    /**
     * get all clips
     */
    getAllInputs() {
        return this.inputs.concat();
    }
    /**
     * @ignore
     */
    hasFakeClipNativeInvalidated() {
        for (const clip of this.inputs) {
            if (clip.hasFakeClipNativeInvalidated()) {
                return true;
            }
        }
        return false;
    }
    build() {
        const _super = Object.create(null, {
            build: { get: () => super.build }
        });
        var _a, _b;
        return __awaiter(this, void 0, void 0, function* () {
            if (this._nativeObject && !this.nativeInvalidated) {
                const effect = this.nativeClip;
                const inputChanged = !(((_a = effect.inputs) === null || _a === void 0 ? void 0 : _a.length) === this.inputs.length
                    && ((_b = effect.inputs) === null || _b === void 0 ? void 0 : _b.every((clip, i) => this.inputs[i].nativeInvalidated === false && this.inputs[i].nativeClip === clip)));
                if (inputChanged) {
                    this.invalidated();
                }
                this.nativeInvalidated = inputChanged;
            }
            return yield _super.build.call(this);
        });
    }
    updateClip(effect) {
        const _super = Object.create(null, {
            updateClip: { get: () => super.updateClip }
        });
        var _a;
        return __awaiter(this, void 0, void 0, function* () {
            yield _super.updateClip.call(this, effect);
            // eslint-disable-next-line no-param-reassign
            effect.inputs = [];
            effect.removeAllInputs();
            for (const clip of this.inputs) {
                const parent = this.parent;
                if (parent && !parent.hasChildClip(clip))
                    parent.addClip(clip);
                const nativeClip = yield clip.build();
                if (nativeClip) {
                    effect.addInput(nativeClip);
                    (_a = effect.inputs) === null || _a === void 0 ? void 0 : _a.push(nativeClip);
                }
                else {
                    console.error(`Found unsupported clip with type: ${clip.type}`);
                }
            }
        });
    }
    attachToParent(parent) {
        super.attachToParent(parent);
        if (parent) {
            this.inputs.forEach(clip => parent.addClip(clip));
        }
    }
}
__decorate([
    updateNativeIfEffect
], Effect.prototype, "addInput", null);
__decorate([
    updateNativeIfEffect
], Effect.prototype, "removeInput", null);
__decorate([
    updateNativeIfEffect
], Effect.prototype, "removeAllInputs", null);