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ffmpeg-4.2.2/libavformat/oma.h 1.39 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Sony OpenMG (OMA) common data
   *
   * 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_OMA_H
  #define AVFORMAT_OMA_H
  
  #include <stdint.h>
  
  #include "internal.h"
  
  #define EA3_HEADER_SIZE 96
  #define ID3v2_EA3_MAGIC "ea3"
  #define OMA_ENC_HEADER_SIZE 16
  
  enum {
      OMA_CODECID_ATRAC3  = 0,
      OMA_CODECID_ATRAC3P = 1,
      OMA_CODECID_MP3     = 3,
      OMA_CODECID_LPCM    = 4,
      OMA_CODECID_WMA     = 5,
      OMA_CODECID_ATRAC3PAL = 33,
      OMA_CODECID_ATRAC3AL  = 34,
  };
  
  extern const uint16_t ff_oma_srate_tab[8];
  
  extern const AVCodecTag ff_oma_codec_tags[];
  
  extern const uint64_t ff_oma_chid_to_native_layout[7];
  extern const int ff_oma_chid_to_num_channels[7];
  
  #endif /* AVFORMAT_OMA_H */