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ffmpeg-4.2.2/libavcodec/adts_parser.h 1.32 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * 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 AVCODEC_ADTS_PARSER_H
  #define AVCODEC_ADTS_PARSER_H
  
  #include <stddef.h>
  #include <stdint.h>
  
  #define AV_AAC_ADTS_HEADER_SIZE 7
  
  /**
   * Extract the number of samples and frames from AAC data.
   * @param[in]  buf     pointer to AAC data buffer
   * @param[out] samples Pointer to where number of samples is written
   * @param[out] frames  Pointer to where number of frames is written
   * @return Returns 0 on success, error code on failure.
   */
  int av_adts_header_parse(const uint8_t *buf, uint32_t *samples,
                           uint8_t *frames);
  
  #endif /* AVCODEC_ADTS_PARSER_H */