/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package androidx.media3.exoplayer;

import androidx.media3.common.PlaybackParameters;
import androidx.media3.common.util.UnstableApi;

/** Tracks the progression of media time. */
@UnstableApi
public interface MediaClock {

  /** Returns the current media position in microseconds. */
  long getPositionUs();

  /** Returns whether there is a skipped silence since the last call to this method. */
  default boolean hasSkippedSilenceSinceLastCall() {
    return false;
  }

  /**
   * Attempts to set the playback parameters. The media clock may override the speed if changing the
   * playback parameters is not supported.
   *
   * @param playbackParameters The playback parameters to attempt to set.
   */
  void setPlaybackParameters(PlaybackParameters playbackParameters);

  /** Returns the active playback parameters. */
  PlaybackParameters getPlaybackParameters();
}