tav-media
Version:
Cross platform media editing framework
66 lines (65 loc) • 2.52 kB
JavaScript
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());
});
};
import { FileSystem } from '../io/file-system';
import { Path } from '../io/path';
import { tav } from '../tav';
import { Asset } from './tav-asset';
/**
* PAGAsset is an asset that can be used to play PAG file.
* @hideconstructor
* @category Assets
*/
export class PAGAsset extends Asset {
constructor() {
super(...arguments);
this.type = 'PAGAsset';
}
/**
* Creates a PAG asset object from a specified range of a pag file, return null if the file does
* not exist or it's not a valid pag file.
* @param path The path of the pag file.
* @returns The PAGAsset object.
*/
static MakeFromPath(path) {
return __awaiter(this, void 0, void 0, function* () {
const pagAsset = new PAGAsset(null, path);
yield pagAsset.prepare();
const asset = yield pagAsset.build();
if (!asset) {
pagAsset.release();
return null;
}
return pagAsset;
});
}
getPathForPAGEffect() {
return this.localPath || this.path;
}
doPrepare() {
const _super = Object.create(null, {
doPrepare: { get: () => super.doPrepare }
});
return __awaiter(this, void 0, void 0, function* () {
yield _super.doPrepare.call(this);
this.localPath = this.path;
if (tav.PLATFORM === 'wx' || tav.PLATFORM === 'browser') {
this.localPath = Path.getLocalFileName(this.path);
yield FileSystem.download(this.localPath, this.path);
}
});
}
createAsset() {
return __awaiter(this, void 0, void 0, function* () {
if (!this.localPath)
return undefined;
return tav.PAGAsset.MakeFromPath(this.localPath);
});
}
}