@dderevjanik/termux-api/src/scripts/termux-audio-info.ts

This library allows you to interact with your Android device from Node.js using termux-api

import { exec } from "child_process";

/**
 * Represents the audio configuration settings.
 */
export interface AudioConfig {
  /**
   * The output sample rate.
   * @example "48000"
   */
  PROPERTY_OUTPUT_SAMPLE_RATE: string;

  /**
   * The number of output frames per buffer.
   * @example "192"
   */
  PROPERTY_OUTPUT_FRAMES_PER_BUFFER: string;

  /**
   * The sample rate for AudioTrack.
   * @example 48000
   */
  AUDIOTRACK_SAMPLE_RATE: number;

  /**
   * The buffer size in frames for AudioTrack.
   * @example 3844
   */
  AUDIOTRACK_BUFFER_SIZE_IN_FRAMES: number;

  /**
   * The low latency sample rate for AudioTrack.
   * @example 48000
   */
  AUDIOTRACK_SAMPLE_RATE_LOW_LATENCY: number;

  /**
   * The low latency buffer size in frames for AudioTrack.
   * @example 192
   */
  AUDIOTRACK_BUFFER_SIZE_IN_FRAMES_LOW_LATENCY: number;

  /**
   * Indicates if Bluetooth A2DP is on.
   * @example false
   */
  BLUETOOTH_A2DP_IS_ON: boolean;

  /**
   * Indicates if a wired headset is connected.
   * @example false
   */
  WIREDHEADSET_IS_CONNECTED: boolean;
}

/**
 * Get information about audio capabilities
 */
export async function audioInfo(): Promise<AudioConfig> {
  return new Promise<AudioConfig>((resolve, reject) => {
    const command = `termux-audio-info`;
    exec(command, (error, stdout, stderr) => {
      if (error) {
        return reject(`Error: ${error.message}`);
      }
      if (stderr) {
        return reject(`Error: ${stderr}`);
      }
      const output = stdout.trim();
      const settings: AudioConfig = JSON.parse(stdout);
      return resolve(settings);
    });
  });
}