namespace pxsim.music { export function fromWAV(buf: RefBuffer) { return incr(buf) } export function stopAllSounds() { SoundMethods.stop() } } namespace pxsim.SoundMethods { let audio: HTMLAudioElement; export function buffer(buf: RefBuffer) { return incr(buf) } export function uint8ArrayToString(input: Uint8Array) { let len = input.length; let res = "" for (let i = 0; i < len; ++i) res += String.fromCharCode(input[i]); return res; } export function play(buf: RefBuffer, volume: number) { if (!buf) { return Promise.resolve(); } return new Promise(resolve => { let url = "data:audio/wav;base64," + btoa(uint8ArrayToString(buf.data)) audio = new Audio(url) audio.onended = () => resolve(); audio.onpause = () => resolve(); audio.play(); }) } export function stop() { return new Promise(resolve => { if (audio) { audio.pause(); } resolve(); }) } }