osh-js
Version:
OSH javascript Toolkit
91 lines • 4.67 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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import DecodeWorker from './workers/ffmpeg.decode.audio.worker.js';
import { randomUUID } from "../../../../utils/Utils";
var FfmpegAudio = /** @class */ (function () {
function FfmpegAudio(properties) {
var _this = this;
var audioCtx = properties.audioCtx;
this.codec = properties.codec;
try {
this.audioDecoderWorker = new DecodeWorker();
// const drawWorker = new DrawWorker();
this.audioDecoderWorker.id = randomUUID();
console.log(this.codec);
this.audioDecoderWorker.postMessage({
'message': 'init',
'codec': this.codec.toLowerCase()
});
// create ffmpeg web worker
this.audioDecoderWorker.onmessage = function (event) {
var frame = event.data.frame;
var audioBuffer = audioCtx.createBuffer(1, frame.length, audioCtx.sampleRate);
audioBuffer.copyToChannel(frame, 0, 0);
_this.onDecodedBuffer(audioBuffer);
};
}
catch (e) {
// WebCodec is not supported
throw new Error('FFMPEG audio decoder is not supported');
}
}
FfmpegAudio.prototype.decode = function (value, timestamp) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
try {
this.audioDecoderWorker.postMessage({
pktData: value.frameData.data,
pktSize: value.frameData.data.length,
codec: value.frameData.compression.toLowerCase()
}, [value.frameData.data.buffer]);
}
catch (error) {
console.error(error);
}
return [2 /*return*/];
});
});
};
FfmpegAudio.prototype.onDecodedBuffer = function (decodedBuffer) {
console.log('decoded');
};
FfmpegAudio.prototype.reset = function () {
};
return FfmpegAudio;
}());
export default FfmpegAudio;
//# sourceMappingURL=FfmpegAudio.js.map