OpenBot/android/app/src/main/java/org/openbot/env/AudioPlayer.java at master · OSSDC/OpenBot · GitHub

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// Created by Matthias Mueller - Intel Intelligent Systems Lab - 2020

package org.openbot.env;

import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.media.MediaPlayer;
import java.io.File;
import java.io.IOException;
import org.openbot.utils.Enums;

// Convert text to speech
// https://ttsmp3.com

public class AudioPlayer {
  private MediaPlayer mp;
  private final Context context;

  public AudioPlayer(Context context) {
    mp = new MediaPlayer();
    this.context = context;
  }

  // Play from a resource file
  public void play(int id) {
    try {
      mp.reset();
      mp = MediaPlayer.create(context, id);
      mp.start();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  // Play from a file in storage
  public void play(String path) {
    try {
      mp.reset();
      mp.setDataSource(path);
      mp.prepare();
      mp.start();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  // Play from media asset
  public void play(String assetFolder, String fileName) {
    try {
      AssetFileDescriptor afd =
          context
              .getAssets()
              .openFd("media" + File.separator + assetFolder + File.separator + fileName);
      mp.reset();
      mp.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
      mp.prepare();
      mp.start();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }

  public void playDriveMode(String voice, Enums.DriveMode driveMode) {
    switch (driveMode) {
      case DUAL:
        play(voice, "dual_drive_control.mp3");
        break;
      case GAME:
        play(voice, "video_game_control.mp3");
        break;
      case JOYSTICK:
        play(voice, "joystick_control.mp3");
        break;
    }
  }

  public void playSpeedMode(String voice, Enums.SpeedMode speedMode) {
    switch (speedMode) {
      case SLOW:
        play(voice, "slow_speed.mp3");
        break;
      case NORMAL:
        play(voice, "normal_speed.mp3");
        break;
      case FAST:
        play(voice, "fast_speed.mp3");
        break;
    }
  }

  public void playNoise(String voice, boolean isEnabled) {
    if (isEnabled) play(voice, "noise_enabled.mp3");
    else play(voice, "noise_disabled.mp3");
  }

  public void playLogging(String voice, boolean isEnabled) {
    if (isEnabled) play(voice, "logging_started.mp3");
    else play(voice, "logging_stopped.mp3");
  }
}