content: /*
   * Copyright (C) 2017 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 com.google.android.exoplayer2.source.hls;
  
  import android.net.Uri;
  import androidx.annotation.Nullable;
  import com.google.android.exoplayer2.Format;
  import com.google.android.exoplayer2.analytics.PlayerId;
  import com.google.android.exoplayer2.extractor.Extractor;
  import com.google.android.exoplayer2.extractor.ExtractorInput;
  import com.google.android.exoplayer2.extractor.PositionHolder;
  import com.google.android.exoplayer2.util.TimestampAdjuster;
  import java.io.IOException;
  import java.util.List;
  import java.util.Map;
  
  /** Factory for HLS media chunk extractors. */
  public interface HlsExtractorFactory {
  
    HlsExtractorFactory DEFAULT = new DefaultHlsExtractorFactory();
  
    /**
     * Creates an {@link Extractor} for extracting HLS media chunks.
     *
     * @param uri The URI of the media chunk.
     * @param format A {@link Format} associated with the chunk to extract.
     * @param muxedCaptionFormats List of muxed caption {@link Format}s. Null if no closed caption
     *     information is available in the multivariant playlist.
     * @param timestampAdjuster Adjuster corresponding to the provided discontinuity sequence number.
     * @param responseHeaders The HTTP response headers associated with the media segment or
     *     initialization section to extract.
     * @param sniffingExtractorInput The first extractor input that will be passed to the returned
     *     extractor's {@link Extractor#read(ExtractorInput, PositionHolder)}. Must only be used to
     *     call {@link Extractor#sniff(ExtractorInput)}.
     * @param playerId The {@link PlayerId} of the player using this extractors factory.
     * @return An {@link HlsMediaChunkExtractor}.
     * @throws IOException If an I/O error is encountered while sniffing.
     */
    HlsMediaChunkExtractor createExtractor(
        Uri uri,
        Format format,
        @Nullable List<Format> muxedCaptionFormats,
        TimestampAdjuster timestampAdjuster,
        Map<String, List<String>> responseHeaders,
        ExtractorInput sniffingExtractorInput,
        PlayerId playerId)
        throws IOException;
  }
  