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/*
* Copyright (C) 2018 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 org.mozilla.thirdparty.com.google.android.exoplayer2.source.hls.playlist;
import org.mozilla.thirdparty.com.google.android.exoplayer2.offline.FilteringManifestParser;
import org.mozilla.thirdparty.com.google.android.exoplayer2.offline.StreamKey;
import org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.ParsingLoadable;
import java.util.List;
/**
* A {@link HlsPlaylistParserFactory} that includes only the streams identified by the given stream
* keys.
*/
public final class FilteringHlsPlaylistParserFactory implements HlsPlaylistParserFactory {
private final HlsPlaylistParserFactory hlsPlaylistParserFactory;
private final List<StreamKey> streamKeys;
/**
* @param hlsPlaylistParserFactory A factory for the parsers of the playlists which will be
* filtered.
* @param streamKeys The stream keys. If null or empty then filtering will not occur.
*/
public FilteringHlsPlaylistParserFactory(
HlsPlaylistParserFactory hlsPlaylistParserFactory, List<StreamKey> streamKeys) {
this.hlsPlaylistParserFactory = hlsPlaylistParserFactory;
this.streamKeys = streamKeys;
}
@Override
public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser() {
return new FilteringManifestParser<>(
hlsPlaylistParserFactory.createPlaylistParser(), streamKeys);
}
@Override
public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser(
HlsMasterPlaylist masterPlaylist) {
return new FilteringManifestParser<>(
hlsPlaylistParserFactory.createPlaylistParser(masterPlaylist), streamKeys);
}
}
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