Java Code Examples for com.google.android.exoplayer2.C#USAGE_ALARM

/**
 * Returns the {@link C.AudioUsage} corresponding to the specified {@link C.StreamType}.
 */
@C.AudioUsage
public static int getAudioUsageForStreamType(@C.StreamType int streamType) {
  switch (streamType) {
    case C.STREAM_TYPE_ALARM:
      return C.USAGE_ALARM;
    case C.STREAM_TYPE_DTMF:
      return C.USAGE_VOICE_COMMUNICATION_SIGNALLING;
    case C.STREAM_TYPE_NOTIFICATION:
      return C.USAGE_NOTIFICATION;
    case C.STREAM_TYPE_RING:
      return C.USAGE_NOTIFICATION_RINGTONE;
    case C.STREAM_TYPE_SYSTEM:
      return C.USAGE_ASSISTANCE_SONIFICATION;
    case C.STREAM_TYPE_VOICE_CALL:
      return C.USAGE_VOICE_COMMUNICATION;
    case C.STREAM_TYPE_USE_DEFAULT:
    case C.STREAM_TYPE_MUSIC:
    default:
      return C.USAGE_MEDIA;
  }
}
 

/**
 * Returns the {@link C.AudioUsage} corresponding to the specified {@link C.StreamType}.
 */
@C.AudioUsage
public static int getAudioUsageForStreamType(@C.StreamType int streamType) {
  switch (streamType) {
    case C.STREAM_TYPE_ALARM:
      return C.USAGE_ALARM;
    case C.STREAM_TYPE_DTMF:
      return C.USAGE_VOICE_COMMUNICATION_SIGNALLING;
    case C.STREAM_TYPE_NOTIFICATION:
      return C.USAGE_NOTIFICATION;
    case C.STREAM_TYPE_RING:
      return C.USAGE_NOTIFICATION_RINGTONE;
    case C.STREAM_TYPE_SYSTEM:
      return C.USAGE_ASSISTANCE_SONIFICATION;
    case C.STREAM_TYPE_VOICE_CALL:
      return C.USAGE_VOICE_COMMUNICATION;
    case C.STREAM_TYPE_USE_DEFAULT:
    case C.STREAM_TYPE_MUSIC:
    default:
      return C.USAGE_MEDIA;
  }
}
 

/**
 * Returns the {@link C.AudioUsage} corresponding to the specified {@link C.StreamType}.
 */
@C.AudioUsage
public static int getAudioUsageForStreamType(@C.StreamType int streamType) {
  switch (streamType) {
    case C.STREAM_TYPE_ALARM:
      return C.USAGE_ALARM;
    case C.STREAM_TYPE_DTMF:
      return C.USAGE_VOICE_COMMUNICATION_SIGNALLING;
    case C.STREAM_TYPE_NOTIFICATION:
      return C.USAGE_NOTIFICATION;
    case C.STREAM_TYPE_RING:
      return C.USAGE_NOTIFICATION_RINGTONE;
    case C.STREAM_TYPE_SYSTEM:
      return C.USAGE_ASSISTANCE_SONIFICATION;
    case C.STREAM_TYPE_VOICE_CALL:
      return C.USAGE_VOICE_COMMUNICATION;
    case C.STREAM_TYPE_USE_DEFAULT:
    case C.STREAM_TYPE_MUSIC:
    default:
      return C.USAGE_MEDIA;
  }
}
 

/**
 * Returns the {@link C.AudioUsage} corresponding to the specified {@link C.StreamType}.
 */
@C.AudioUsage
public static int getAudioUsageForStreamType(@C.StreamType int streamType) {
  switch (streamType) {
    case C.STREAM_TYPE_ALARM:
      return C.USAGE_ALARM;
    case C.STREAM_TYPE_DTMF:
      return C.USAGE_VOICE_COMMUNICATION_SIGNALLING;
    case C.STREAM_TYPE_NOTIFICATION:
      return C.USAGE_NOTIFICATION;
    case C.STREAM_TYPE_RING:
      return C.USAGE_NOTIFICATION_RINGTONE;
    case C.STREAM_TYPE_SYSTEM:
      return C.USAGE_ASSISTANCE_SONIFICATION;
    case C.STREAM_TYPE_VOICE_CALL:
      return C.USAGE_VOICE_COMMUNICATION;
    case C.STREAM_TYPE_USE_DEFAULT:
    case C.STREAM_TYPE_MUSIC:
    default:
      return C.USAGE_MEDIA;
  }
}
 

/**
 * Returns the {@link C.AudioUsage} corresponding to the specified {@link C.StreamType}.
 */
@C.AudioUsage
public static int getAudioUsageForStreamType(@C.StreamType int streamType) {
  switch (streamType) {
    case C.STREAM_TYPE_ALARM:
      return C.USAGE_ALARM;
    case C.STREAM_TYPE_DTMF:
      return C.USAGE_VOICE_COMMUNICATION_SIGNALLING;
    case C.STREAM_TYPE_NOTIFICATION:
      return C.USAGE_NOTIFICATION;
    case C.STREAM_TYPE_RING:
      return C.USAGE_NOTIFICATION_RINGTONE;
    case C.STREAM_TYPE_SYSTEM:
      return C.USAGE_ASSISTANCE_SONIFICATION;
    case C.STREAM_TYPE_VOICE_CALL:
      return C.USAGE_VOICE_COMMUNICATION;
    case C.STREAM_TYPE_USE_DEFAULT:
    case C.STREAM_TYPE_MUSIC:
    default:
      return C.USAGE_MEDIA;
  }
}
 

/**
 * Returns the {@link C.StreamType} corresponding to the specified {@link C.AudioUsage}.
 */
@C.StreamType
public static int getStreamTypeForAudioUsage(@C.AudioUsage int usage) {
  switch (usage) {
    case C.USAGE_MEDIA:
    case C.USAGE_GAME:
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
      return C.STREAM_TYPE_MUSIC;
    case C.USAGE_ASSISTANCE_SONIFICATION:
      return C.STREAM_TYPE_SYSTEM;
    case C.USAGE_VOICE_COMMUNICATION:
      return C.STREAM_TYPE_VOICE_CALL;
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.STREAM_TYPE_DTMF;
    case C.USAGE_ALARM:
      return C.STREAM_TYPE_ALARM;
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.STREAM_TYPE_RING;
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_EVENT:
      return C.STREAM_TYPE_NOTIFICATION;
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
    case C.USAGE_ASSISTANT:
    case C.USAGE_UNKNOWN:
    default:
      return C.STREAM_TYPE_DEFAULT;
  }
}
 

/**
 * Returns the {@link C.StreamType} corresponding to the specified {@link C.AudioUsage}.
 */
@C.StreamType
public static int getStreamTypeForAudioUsage(@C.AudioUsage int usage) {
  switch (usage) {
    case C.USAGE_MEDIA:
    case C.USAGE_GAME:
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
      return C.STREAM_TYPE_MUSIC;
    case C.USAGE_ASSISTANCE_SONIFICATION:
      return C.STREAM_TYPE_SYSTEM;
    case C.USAGE_VOICE_COMMUNICATION:
      return C.STREAM_TYPE_VOICE_CALL;
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.STREAM_TYPE_DTMF;
    case C.USAGE_ALARM:
      return C.STREAM_TYPE_ALARM;
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.STREAM_TYPE_RING;
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_EVENT:
      return C.STREAM_TYPE_NOTIFICATION;
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
    case C.USAGE_UNKNOWN:
    default:
      return C.STREAM_TYPE_DEFAULT;
  }
}
 

/**
 * Returns the {@link C.StreamType} corresponding to the specified {@link C.AudioUsage}.
 */
@C.StreamType
public static int getStreamTypeForAudioUsage(@C.AudioUsage int usage) {
  switch (usage) {
    case C.USAGE_MEDIA:
    case C.USAGE_GAME:
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
      return C.STREAM_TYPE_MUSIC;
    case C.USAGE_ASSISTANCE_SONIFICATION:
      return C.STREAM_TYPE_SYSTEM;
    case C.USAGE_VOICE_COMMUNICATION:
      return C.STREAM_TYPE_VOICE_CALL;
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.STREAM_TYPE_DTMF;
    case C.USAGE_ALARM:
      return C.STREAM_TYPE_ALARM;
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.STREAM_TYPE_RING;
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_EVENT:
      return C.STREAM_TYPE_NOTIFICATION;
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
    case C.USAGE_UNKNOWN:
    default:
      return C.STREAM_TYPE_DEFAULT;
  }
}
 

/**
 * Returns the {@link C.StreamType} corresponding to the specified {@link C.AudioUsage}.
 */
@C.StreamType
public static int getStreamTypeForAudioUsage(@C.AudioUsage int usage) {
  switch (usage) {
    case C.USAGE_MEDIA:
    case C.USAGE_GAME:
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
      return C.STREAM_TYPE_MUSIC;
    case C.USAGE_ASSISTANCE_SONIFICATION:
      return C.STREAM_TYPE_SYSTEM;
    case C.USAGE_VOICE_COMMUNICATION:
      return C.STREAM_TYPE_VOICE_CALL;
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.STREAM_TYPE_DTMF;
    case C.USAGE_ALARM:
      return C.STREAM_TYPE_ALARM;
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.STREAM_TYPE_RING;
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_EVENT:
      return C.STREAM_TYPE_NOTIFICATION;
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
    case C.USAGE_ASSISTANT:
    case C.USAGE_UNKNOWN:
    default:
      return C.STREAM_TYPE_DEFAULT;
  }
}
 

/**
 * Returns the {@link C.StreamType} corresponding to the specified {@link C.AudioUsage}.
 */
@C.StreamType
public static int getStreamTypeForAudioUsage(@C.AudioUsage int usage) {
  switch (usage) {
    case C.USAGE_MEDIA:
    case C.USAGE_GAME:
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
      return C.STREAM_TYPE_MUSIC;
    case C.USAGE_ASSISTANCE_SONIFICATION:
      return C.STREAM_TYPE_SYSTEM;
    case C.USAGE_VOICE_COMMUNICATION:
      return C.STREAM_TYPE_VOICE_CALL;
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.STREAM_TYPE_DTMF;
    case C.USAGE_ALARM:
      return C.STREAM_TYPE_ALARM;
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.STREAM_TYPE_RING;
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_EVENT:
      return C.STREAM_TYPE_NOTIFICATION;
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
    case C.USAGE_ASSISTANT:
    case C.USAGE_UNKNOWN:
    default:
      return C.STREAM_TYPE_DEFAULT;
  }
}
 

/**
 * Converts {@link AudioAttributes} to one of the audio focus request.
 *
 * <p>This follows the class Javadoc of {@link AudioFocusRequest}.
 *
 * @param audioAttributes The audio attributes associated with this focus request.
 * @return The type of audio focus gain that should be requested.
 */
private static int convertAudioAttributesToFocusGain(@Nullable AudioAttributes audioAttributes) {

  if (audioAttributes == null) {
    // Don't handle audio focus. It may be either video only contents or developers
    // want to have more finer grained control. (e.g. adding audio focus listener)
    return C.AUDIOFOCUS_NONE;
  }

  switch (audioAttributes.usage) {
      // USAGE_VOICE_COMMUNICATION_SIGNALLING is for DTMF that may happen multiple times
      // during the phone call when AUDIOFOCUS_GAIN_TRANSIENT is requested for that.
      // Don't request audio focus here.
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.AUDIOFOCUS_NONE;

      // Javadoc says 'AUDIOFOCUS_GAIN: Examples of uses of this focus gain are for music
      // playback, for a game or a video player'
    case C.USAGE_GAME:
    case C.USAGE_MEDIA:
      return C.AUDIOFOCUS_GAIN;

      // Special usages: USAGE_UNKNOWN shouldn't be used. Request audio focus to prevent
      // multiple media playback happen at the same time.
    case C.USAGE_UNKNOWN:
      Log.w(
          TAG,
          "Specify a proper usage in the audio attributes for audio focus"
              + " handling. Using AUDIOFOCUS_GAIN by default.");
      return C.AUDIOFOCUS_GAIN;

      // Javadoc says 'AUDIOFOCUS_GAIN_TRANSIENT: An example is for playing an alarm, or
      // during a VoIP call'
    case C.USAGE_ALARM:
    case C.USAGE_VOICE_COMMUNICATION:
      return C.AUDIOFOCUS_GAIN_TRANSIENT;

      // Javadoc says 'AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK: Examples are when playing
      // driving directions or notifications'
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
    case C.USAGE_ASSISTANCE_SONIFICATION:
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_EVENT:
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;

      // Javadoc says 'AUDIOFOCUS_GAIN_EXCLUSIVE: This is typically used if you are doing
      // audio recording or speech recognition'.
      // Assistant is considered as both recording and notifying developer
    case C.USAGE_ASSISTANT:
      if (Util.SDK_INT >= 19) {
        return C.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE;
      } else {
        return C.AUDIOFOCUS_GAIN_TRANSIENT;
      }

      // Special usages:
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
      if (audioAttributes.contentType == C.CONTENT_TYPE_SPEECH) {
        // Voice shouldn't be interrupted by other playback.
        return C.AUDIOFOCUS_GAIN_TRANSIENT;
      }
      return C.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;
    default:
      Log.w(TAG, "Unidentified audio usage: " + audioAttributes.usage);
      return C.AUDIOFOCUS_NONE;
  }
}
 

/**
 * Converts {@link AudioAttributes} to one of the audio focus request.
 *
 * <p>This follows the class Javadoc of {@link AudioFocusRequest}.
 *
 * @param audioAttributes The audio attributes associated with this focus request.
 * @return The type of audio focus gain that should be requested.
 */
private static int convertAudioAttributesToFocusGain(@Nullable AudioAttributes audioAttributes) {

  if (audioAttributes == null) {
    // Don't handle audio focus. It may be either video only contents or developers
    // want to have more finer grained control. (e.g. adding audio focus listener)
    return C.AUDIOFOCUS_NONE;
  }

  switch (audioAttributes.usage) {
      // USAGE_VOICE_COMMUNICATION_SIGNALLING is for DTMF that may happen multiple times
      // during the phone call when AUDIOFOCUS_GAIN_TRANSIENT is requested for that.
      // Don't request audio focus here.
    case C.USAGE_VOICE_COMMUNICATION_SIGNALLING:
      return C.AUDIOFOCUS_NONE;

      // Javadoc says 'AUDIOFOCUS_GAIN: Examples of uses of this focus gain are for music
      // playback, for a game or a video player'
    case C.USAGE_GAME:
    case C.USAGE_MEDIA:
      return C.AUDIOFOCUS_GAIN;

      // Special usages: USAGE_UNKNOWN shouldn't be used. Request audio focus to prevent
      // multiple media playback happen at the same time.
    case C.USAGE_UNKNOWN:
      Log.w(
          TAG,
          "Specify a proper usage in the audio attributes for audio focus"
              + " handling. Using AUDIOFOCUS_GAIN by default.");
      return C.AUDIOFOCUS_GAIN;

      // Javadoc says 'AUDIOFOCUS_GAIN_TRANSIENT: An example is for playing an alarm, or
      // during a VoIP call'
    case C.USAGE_ALARM:
    case C.USAGE_VOICE_COMMUNICATION:
      return C.AUDIOFOCUS_GAIN_TRANSIENT;

      // Javadoc says 'AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK: Examples are when playing
      // driving directions or notifications'
    case C.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
    case C.USAGE_ASSISTANCE_SONIFICATION:
    case C.USAGE_NOTIFICATION:
    case C.USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
    case C.USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
    case C.USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
    case C.USAGE_NOTIFICATION_EVENT:
    case C.USAGE_NOTIFICATION_RINGTONE:
      return C.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;

      // Javadoc says 'AUDIOFOCUS_GAIN_EXCLUSIVE: This is typically used if you are doing
      // audio recording or speech recognition'.
      // Assistant is considered as both recording and notifying developer
    case C.USAGE_ASSISTANT:
      if (Util.SDK_INT >= 19) {
        return C.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE;
      } else {
        return C.AUDIOFOCUS_GAIN_TRANSIENT;
      }

      // Special usages:
    case C.USAGE_ASSISTANCE_ACCESSIBILITY:
      if (audioAttributes.contentType == C.CONTENT_TYPE_SPEECH) {
        // Voice shouldn't be interrupted by other playback.
        return C.AUDIOFOCUS_GAIN_TRANSIENT;
      }
      return C.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;
    default:
      Log.w(TAG, "Unidentified audio usage: " + audioAttributes.usage);
      return C.AUDIOFOCUS_NONE;
  }
}