123 lines
3.5 KiB
TypeScript
123 lines
3.5 KiB
TypeScript
import * as native from "tc-native/connection";
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import {AudioBackend, OutputDevice} from "tc-shared/audio/Player";
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export class NativeAudioPlayer implements AudioBackend {
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private readonly audioContext: AudioContext;
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private initializedPromises: (() => void)[];
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private currentDevice: native.audio.AudioDevice;
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constructor() {
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this.audioContext = new AudioContext();
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this.initializedPromises = [];
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native.audio.initialize(() => {
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const promises = this.initializedPromises;
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this.initializedPromises = undefined;
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promises.forEach(callback => callback());
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});
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}
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executeWhenInitialized(callback: () => void): any {
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if(this.initializedPromises) {
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this.initializedPromises.push(callback);
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} else {
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callback();
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}
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}
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getMasterVolume(): number {
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return native.audio.playback.get_master_volume();
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}
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setMasterVolume(volume: number): any {
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native.audio.playback.set_master_volume(volume);
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}
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getAudioContext(): AudioContext | undefined {
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return this.audioContext;
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}
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async getAvailableDevices(): Promise<OutputDevice[]> {
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const devices = native.audio.available_devices().filter(e => e.output_supported || e.output_default);
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/* Fixup MMEs character limit of 31 by trying to resolve a name somewhere else */
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devices.forEach(device => {
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if(device.driver !== "MME") {
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return;
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}
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const fallback = devices.find(fallbackDevice => fallbackDevice.name.substring(0, 31) === device.name && fallbackDevice.name.length > 31);
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if(fallback) {
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device.name = fallback.name;
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}
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});
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return devices.map(entry => ({
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deviceId: entry.device_id,
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driver: entry.driver,
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name: entry.name
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}));
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}
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getCurrentDevice(): OutputDevice {
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if(this.currentDevice) {
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return {
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name: this.currentDevice.name,
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driver: this.currentDevice.driver,
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deviceId: this.currentDevice.device_id
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};
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}
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const defaultDevice = native.audio.available_devices().find(entry => entry.output_default);
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if(defaultDevice) {
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return {
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name: defaultDevice.name,
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driver: defaultDevice.driver,
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deviceId: defaultDevice.device_id
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};
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}
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return {
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name: "Default device",
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deviceId: "default",
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driver: "default driver"
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};
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}
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async setCurrentDevice(targetId: string | undefined): Promise<void> {
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const device = native.audio.available_devices().find(e => e.device_id == targetId);
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if(!device) {
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console.warn("Missing audio device with is %s", targetId);
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throw "invalid device id";
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}
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try {
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native.audio.playback.set_device(device.device_id);
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} catch(error) {
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if(error instanceof Error) {
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throw error.message;
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}
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throw error;
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}
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this.currentDevice = device;
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}
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getDefaultDeviceId(): string {
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return native.audio.available_devices().find(entry => entry.output_default).device_id;
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}
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isDeviceRefreshAvailable(): boolean {
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return false;
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}
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isInitialized(): boolean {
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return !this.initializedPromises;
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}
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refreshDevices(): Promise<void> {
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return Promise.resolve(undefined);
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}
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} |