retroload/dist/esm/player/AplayWrapper.js

Command line utility for converting tape archive files of historical computers into sound for loading them on real devices

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 { playerExists, spawnPlayer } from './Utils.js';
import { Logger } from 'retroload-lib';
export class AplayWrapper {
    // eslint-disable-next-line @typescript-eslint/require-await
    static create(sampleRate, bitDepth, channels) {
        return __awaiter(this, void 0, void 0, function* () {
            if (bitDepth !== 8) {
                return undefined;
            }
            if (!playerExists('aplay', ['--help'], /^Usage: aplay /u)) {
                return undefined;
            }
            return new AplayWrapper(sampleRate, channels);
        });
    }
    constructor(sampleRate, channels) {
        Object.defineProperty(this, "sampleRate", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: sampleRate
        });
        Object.defineProperty(this, "channels", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: channels
        });
    }
    play(buffer) {
        return __awaiter(this, void 0, void 0, function* () {
            Logger.info('Playing via aplay...');
            return spawnPlayer(buffer, 'aplay', ['-r', this.sampleRate.toString(10), '-f', 'U8', '-c', this.channels.toString(10)]);
        });
    }
}
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