Java 类com.google.android.exoplayer2.audio.AudioRendererEventListener.EventDispatcher 实例源码

/**
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 streamType The type of audio stream for the {@link AudioTrack}.
 */
public SimpleDecoderAudioRenderer(Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    int streamType) {
  super(C.TRACK_TYPE_AUDIO);
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  audioSessionId = AudioTrack.SESSION_ID_NOT_SET;
  audioTrack = new AudioTrack(audioCapabilities, streamType);
  formatHolder = new FormatHolder();
}

/**
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @param drmSessionManager For use with encrypted media. May be null if support for encrypted
 *     media is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param audioSink The sink to which audio will be output.
 */
public SimpleDecoderAudioRenderer(Handler eventHandler, AudioRendererEventListener eventListener,
    DrmSessionManager<ExoMediaCrypto> drmSessionManager, boolean playClearSamplesWithoutKeys,
    AudioSink audioSink) {
  super(C.TRACK_TYPE_AUDIO);
  this.drmSessionManager = drmSessionManager;
  this.playClearSamplesWithoutKeys = playClearSamplesWithoutKeys;
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  this.audioSink = audioSink;
  audioSink.setListener(new AudioSinkListener());
  formatHolder = new FormatHolder();
  flagsOnlyBuffer = DecoderInputBuffer.newFlagsOnlyInstance();
  decoderReinitializationState = REINITIALIZATION_STATE_NONE;
  audioTrackNeedsConfigure = true;
}

/**
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 drmSessionManager For use with encrypted media. May be null if support for encrypted
 *     media is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param audioProcessors Optional {@link AudioProcessor}s that will process audio before output.
 */
public SimpleDecoderAudioRenderer(Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    DrmSessionManager<ExoMediaCrypto> drmSessionManager, boolean playClearSamplesWithoutKeys,
    AudioProcessor... audioProcessors) {
  super(C.TRACK_TYPE_AUDIO);
  this.drmSessionManager = drmSessionManager;
  this.playClearSamplesWithoutKeys = playClearSamplesWithoutKeys;
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  audioTrack = new AudioTrack(audioCapabilities, audioProcessors, new AudioTrackListener());
  formatHolder = new FormatHolder();
  flagsOnlyBuffer = DecoderInputBuffer.newFlagsOnlyInstance();
  decoderReinitializationState = REINITIALIZATION_STATE_NONE;
  audioTrackNeedsConfigure = true;
}

/**
 * @param mediaCodecSelector A decoder selector.
 * @param drmSessionManager For use with encrypted content. May be null if support for encrypted
 *     content is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 Optional {@link AudioProcessor}s that will process PCM audio before
 *     output.
 */
public MediaCodecAudioRenderer(MediaCodecSelector mediaCodecSelector,
    DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
    boolean playClearSamplesWithoutKeys, Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    AudioProcessor... audioProcessors) {
  super(C.TRACK_TYPE_AUDIO, mediaCodecSelector, drmSessionManager, playClearSamplesWithoutKeys);
  audioTrack = new AudioTrack(audioCapabilities, audioProcessors, new AudioTrackListener());
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
}

/**
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 drmSessionManager For use with encrypted media. May be null if support for encrypted
 *     media is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param audioProcessors Optional {@link AudioProcessor}s that will process audio before output.
 */
public SimpleDecoderAudioRenderer(Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    DrmSessionManager<ExoMediaCrypto> drmSessionManager, boolean playClearSamplesWithoutKeys,
    AudioProcessor... audioProcessors) {
  super(C.TRACK_TYPE_AUDIO);
  this.drmSessionManager = drmSessionManager;
  this.playClearSamplesWithoutKeys = playClearSamplesWithoutKeys;
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  audioTrack = new AudioTrack(audioCapabilities, audioProcessors, new AudioTrackListener());
  formatHolder = new FormatHolder();
  flagsOnlyBuffer = new DecoderInputBuffer(DecoderInputBuffer.BUFFER_REPLACEMENT_MODE_DISABLED);
  decoderReinitializationState = REINITIALIZATION_STATE_NONE;
  audioTrackNeedsConfigure = true;
}

/**
 * @param mediaCodecSelector A decoder selector.
 * @param drmSessionManager For use with encrypted content. May be null if support for encrypted
 *     content is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 Optional {@link AudioProcessor}s that will process PCM audio before
 *     output.
 */
public MediaCodecAudioRenderer(MediaCodecSelector mediaCodecSelector,
    DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
    boolean playClearSamplesWithoutKeys, Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    AudioProcessor... audioProcessors) {
  super(C.TRACK_TYPE_AUDIO, mediaCodecSelector, drmSessionManager, playClearSamplesWithoutKeys);
  audioTrack = new AudioTrack(audioCapabilities, audioProcessors, new AudioTrackListener());
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
}

/**
 * @param mediaCodecSelector A decoder selector.
 * @param drmSessionManager For use with encrypted content. May be null if support for encrypted
 *     content is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @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 streamType The type of audio stream for the {@link AudioTrack}.
 */
public MediaCodecAudioRenderer(MediaCodecSelector mediaCodecSelector,
    DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
    boolean playClearSamplesWithoutKeys, Handler eventHandler,
    AudioRendererEventListener eventListener, AudioCapabilities audioCapabilities,
    int streamType) {
  super(C.TRACK_TYPE_AUDIO, mediaCodecSelector, drmSessionManager, playClearSamplesWithoutKeys);
  audioSessionId = AudioTrack.SESSION_ID_NOT_SET;
  audioTrack = new AudioTrack(audioCapabilities, streamType);
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
}

/**
 * @param mediaCodecSelector A decoder selector.
 * @param drmSessionManager For use with encrypted content. May be null if support for encrypted
 *     content is not required.
 * @param playClearSamplesWithoutKeys Encrypted media may contain clear (un-encrypted) regions.
 *     For example a media file may start with a short clear region so as to allow playback to
 *     begin in parallel with key acquisition. This parameter specifies whether the renderer is
 *     permitted to play clear regions of encrypted media files before {@code drmSessionManager}
 *     has obtained the keys necessary to decrypt encrypted regions of the media.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @param audioSink The sink to which audio will be output.
 */
public MediaCodecAudioRenderer(MediaCodecSelector mediaCodecSelector,
    @Nullable DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
    boolean playClearSamplesWithoutKeys, @Nullable Handler eventHandler,
    @Nullable AudioRendererEventListener eventListener, AudioSink audioSink) {
  super(C.TRACK_TYPE_AUDIO, mediaCodecSelector, drmSessionManager, playClearSamplesWithoutKeys);
  eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  this.audioSink = audioSink;
  audioSink.setListener(new AudioSinkListener());
}