Java Code Examples for com.google.android.exoplayer2.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;
  }
}
 

private static AudioTrack initializeKeepSessionIdAudioTrack(int audioSessionId) {
  int sampleRate = 4000; // Equal to private AudioTrack.MIN_SAMPLE_RATE.
  int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
  @C.PcmEncoding int encoding = C.ENCODING_PCM_16BIT;
  int bufferSize = 2; // Use a two byte buffer, as it is not actually used for playback.
  return new AudioTrack(C.STREAM_TYPE_DEFAULT, sampleRate, channelConfig, encoding, bufferSize,
      MODE_STATIC, audioSessionId);
}
 

/**
 * 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;
  }
}
 

private AudioTrack initializeKeepSessionIdAudioTrack(int audioSessionId) {
  int sampleRate = 4000; // Equal to private AudioTrack.MIN_SAMPLE_RATE.
  int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
  @C.PcmEncoding int encoding = C.ENCODING_PCM_16BIT;
  int bufferSize = 2; // Use a two byte buffer, as it is not actually used for playback.
  return new AudioTrack(C.STREAM_TYPE_DEFAULT, sampleRate, channelConfig, encoding, bufferSize,
      MODE_STATIC, audioSessionId);
}
 

/**
 * 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;
  }
}
 

private AudioTrack initializeKeepSessionIdAudioTrack(int audioSessionId) {
  int sampleRate = 4000; // Equal to private AudioTrack.MIN_SAMPLE_RATE.
  int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
  @C.PcmEncoding int encoding = C.ENCODING_PCM_16BIT;
  int bufferSize = 2; // Use a two byte buffer, as it is not actually used for playback.
  return new AudioTrack(C.STREAM_TYPE_DEFAULT, sampleRate, channelConfig, encoding, bufferSize,
      MODE_STATIC, audioSessionId);
}
 

/**
 * @param audioCapabilities The audio capabilities for playback on this device. May be null if the
 *     default capabilities (no encoded audio passthrough support) should be assumed.
 * @param audioProcessors An array of {@link AudioProcessor}s that will process PCM audio before
 *     output. May be empty.
 * @param listener Listener for audio track events.
 */
public AudioTrack(AudioCapabilities audioCapabilities, AudioProcessor[] audioProcessors,
    Listener listener) {
  this.audioCapabilities = audioCapabilities;
  channelMappingAudioProcessor = new ChannelMappingAudioProcessor();
  availableAudioProcessors = new AudioProcessor[audioProcessors.length + 2];
  availableAudioProcessors[0] = new ResamplingAudioProcessor();
  availableAudioProcessors[1] = channelMappingAudioProcessor;
  System.arraycopy(audioProcessors, 0, availableAudioProcessors, 2, audioProcessors.length);
  this.listener = listener;
  releasingConditionVariable = new ConditionVariable(true);
  if (Util.SDK_INT >= 18) {
    try {
      getLatencyMethod =
          android.media.AudioTrack.class.getMethod("getLatency", (Class<?>[]) null);
    } catch (NoSuchMethodException e) {
      // There's no guarantee this method exists. Do nothing.
    }
  }
  if (Util.SDK_INT >= 23) {
    audioTrackUtil = new AudioTrackUtilV23();
  } else if (Util.SDK_INT >= 19) {
    audioTrackUtil = new AudioTrackUtilV19();
  } else {
    audioTrackUtil = new AudioTrackUtil();
  }
  playheadOffsets = new long[MAX_PLAYHEAD_OFFSET_COUNT];
  volume = 1.0f;
  startMediaTimeState = START_NOT_SET;
  streamType = C.STREAM_TYPE_DEFAULT;
  audioSessionId = C.AUDIO_SESSION_ID_UNSET;
  drainingAudioProcessorIndex = C.INDEX_UNSET;
  this.audioProcessors = new AudioProcessor[0];
  outputBuffers = new ByteBuffer[0];
}
 

/**
 * 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;
  }
}
 

private static AudioTrack initializeKeepSessionIdAudioTrack(int audioSessionId) {
  int sampleRate = 4000; // Equal to private AudioTrack.MIN_SAMPLE_RATE.
  int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
  @C.PcmEncoding int encoding = C.ENCODING_PCM_16BIT;
  int bufferSize = 2; // Use a two byte buffer, as it is not actually used for playback.
  return new AudioTrack(C.STREAM_TYPE_DEFAULT, sampleRate, channelConfig, encoding, bufferSize,
      MODE_STATIC, audioSessionId);
}
 

/**
 * 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;
  }
}
 

private static AudioTrack initializeKeepSessionIdAudioTrack(int audioSessionId) {
  int sampleRate = 4000; // Equal to private AudioTrack.MIN_SAMPLE_RATE.
  int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
  @C.PcmEncoding int encoding = C.ENCODING_PCM_16BIT;
  int bufferSize = 2; // Use a two byte buffer, as it is not actually used for playback.
  return new AudioTrack(C.STREAM_TYPE_DEFAULT, sampleRate, channelConfig, encoding, bufferSize,
      MODE_STATIC, audioSessionId);
}