content: /*
   * 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 com.google.android.exoplayer2.source.hls.playlist;
  
  import androidx.annotation.Nullable;
  import com.google.android.exoplayer2.upstream.ParsingLoadable;
  
  /** Factory for {@link HlsPlaylist} parsers. */
  public interface HlsPlaylistParserFactory {
  
    /**
     * Returns a stand-alone playlist parser. Playlists parsed by the returned parser do not inherit
     * any attributes from other playlists.
     */
    ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser();
  
    /**
     * Returns a playlist parser for playlists that were referenced by the given {@link
     * HlsMultivariantPlaylist}. Returned {@link HlsMediaPlaylist} instances may inherit attributes
     * from {@code multivariantPlaylist}.
     *
     * @param multivariantPlaylist The multivariant playlist that referenced any parsed media
     *     playlists.
     * @param previousMediaPlaylist The previous media playlist or null if there is no previous media
     *     playlist.
     * @return A parser for HLS playlists.
     */
    ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser(
        HlsMultivariantPlaylist multivariantPlaylist,
        @Nullable HlsMediaPlaylist previousMediaPlaylist);
  }
  