/*
* 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 androidx.media3.exoplayer.hls;
import android.net.Uri;
import androidx.annotation.Nullable;
import androidx.media3.common.Format;
import androidx.media3.common.util.TimestampAdjuster;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.exoplayer.analytics.PlayerId;
import androidx.media3.extractor.Extractor;
import androidx.media3.extractor.ExtractorInput;
import androidx.media3.extractor.PositionHolder;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/** Factory for HLS media chunk extractors. */
@UnstableApi
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;
}