text: /*
   * Bytestream functions
   * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
   *
   * 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 FFMPEG_BYTESTREAM_H
  #define FFMPEG_BYTESTREAM_H
  
  #define DEF(name, bytes, read, write)\
  static av_always_inline unsigned int bytestream_get_ ## name(uint8_t **b){\
      (*b) += bytes;\
      return read(*b - bytes);\
  }\
  static av_always_inline void bytestream_put_ ##name(uint8_t **b, const unsigned int value){\
      write(*b, value);\
      (*b) += bytes;\
  };
  
  DEF(le32, 4, AV_RL32, AV_WL32)
  DEF(le24, 3, AV_RL24, AV_WL24)
  DEF(le16, 2, AV_RL16, AV_WL16)
  DEF(be32, 4, AV_RB32, AV_WB32)
  DEF(be24, 3, AV_RB24, AV_WB24)
  DEF(be16, 2, AV_RB16, AV_WB16)
  DEF(byte, 1, AV_RB8 , AV_WB8 )
  
  #undef DEF
  
  static av_always_inline unsigned int bytestream_get_buffer(uint8_t **b, uint8_t *dst, unsigned int size)
  {
      memcpy(dst, *b, size);
      (*b) += size;
      return size;
  }
  
  static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
  {
      memcpy(*b, src, size);
      (*b) += size;
  }
  
  #endif /* FFMPEG_BYTESTREAM_H */
  