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3rdparty/ffmpeg-4.4.4/libavformat/hlsplaylist.h 2.89 KB
09c2d08c   Hu Chunming   arm交付版
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  /*
   * Apple HTTP Live Streaming segmenter
   * Copyright (c) 2012, Luca Barbato
   * Copyright (c) 2017 Akamai Technologies, Inc.
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef AVFORMAT_HLSPLAYLIST_H
  #define AVFORMAT_HLSPLAYLIST_H
  
  #include <stdint.h>
  
  #include "libavutil/common.h"
  #include "avformat.h"
  #include "avio.h"
  
  typedef enum {
      PLAYLIST_TYPE_NONE,
      PLAYLIST_TYPE_EVENT,
      PLAYLIST_TYPE_VOD,
      PLAYLIST_TYPE_NB,
  } PlaylistType;
  
  void ff_hls_write_playlist_version(AVIOContext *out, int version);
  void ff_hls_write_audio_rendition(AVIOContext *out, const char *agroup,
                                    const char *filename, const char *language,
                                    int name_id, int is_default);
  void ff_hls_write_subtitle_rendition(AVIOContext *out, const char *sgroup,
                                       const char *filename, const char *language,
                                       int name_id, int is_default);
  void ff_hls_write_stream_info(AVStream *st, AVIOContext *out, int bandwidth,
                                const char *filename, const char *agroup,
                                const char *codecs, const char *ccgroup,
                                const char *sgroup);
  void ff_hls_write_playlist_header(AVIOContext *out, int version, int allowcache,
                                    int target_duration, int64_t sequence,
                                    uint32_t playlist_type, int iframe_mode);
  void ff_hls_write_init_file(AVIOContext *out, const char *filename,
                              int byterange_mode, int64_t size, int64_t pos);
  int ff_hls_write_file_entry(AVIOContext *out, int insert_discont,
                              int byterange_mode, double duration,
                              int round_duration, int64_t size,
                              int64_t pos /* Used only if HLS_SINGLE_FILE flag is set */,
                              const char *baseurl /* Ignored if NULL */,
                              const char *filename, double *prog_date_time,
                              int64_t video_keyframe_size, int64_t video_keyframe_pos,
                              int iframe_mode);
  void ff_hls_write_end_list (AVIOContext *out);
  
  #endif /* AVFORMAT_HLSPLAYLIST_H_ */