/*
 * 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.extractor.text;

import androidx.media3.common.util.UnstableApi;
import androidx.media3.decoder.Decoder;

/** Decodes {@link Subtitle}s from {@link SubtitleInputBuffer}s. */
@UnstableApi
public interface SubtitleDecoder
    extends Decoder<SubtitleInputBuffer, SubtitleOutputBuffer, SubtitleDecoderException> {

  /**
   * Informs the decoder of the current playback position.
   *
   * <p>Must be called prior to each attempt to dequeue output buffers from the decoder.
   *
   * @param positionUs The current playback position in microseconds.
   */
  void setPositionUs(long positionUs);
}