Method writeTo

packages/alphatab/src/midi/MidiFile.ts:152–168

* Writes the midi file as binary into the given stream. * @returns The stream to write to.

(s: IWriteable)

     * @returns The stream to write to.
     */
    public writeTo(s: IWriteable): void {
        // magic number "MThd" (0x4D546864)
        const b: Uint8Array = new Uint8Array([0x4d, 0x54, 0x68, 0x64]);
        s.write(b, 0, b.length);
        // Header Length 6 (0x00000006)
        IOHelper.writeInt32BE(s, 6);
        // format (single multi channel track)
        IOHelper.writeInt16BE(s, this.format as number);
        // number of tracks (1)
        IOHelper.writeInt16BE(s, this.tracks.length);
        // division
        IOHelper.writeInt16BE(s, this.division);

        for (const track of this.tracks) {
            track.writeTo(s);
        }
    }

    public static writeVariableInt(s: IWriteable, value: number): void {
        const array: Uint8Array = new Uint8Array(4);