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  1. /*
  2. * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
  3. *
  4. * This file is part of FFmpeg.
  5. *
  6. * FFmpeg is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License as published by the Free Software Foundation; either
  9. * version 2.1 of the License, or (at your option) any later version.
  10. *
  11. * FFmpeg is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with FFmpeg; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #ifndef AVUTIL_INTFLOAT_READWRITE_H
  21. #define AVUTIL_INTFLOAT_READWRITE_H
  22. #include <stdint.h>
  23. #include "common.h"
  24. /* IEEE 80 bits extended float */
  25. typedef struct AVExtFloat {
  26. uint8_t exponent[2];
  27. uint8_t mantissa[8];
  28. } AVExtFloat;
  29. double av_int2dbl(int64_t v) av_const;
  30. float av_int2flt(int32_t v) av_const;
  31. double av_ext2dbl(const AVExtFloat ext) av_const;
  32. int64_t av_dbl2int(double d) av_const;
  33. int32_t av_flt2int(float d) av_const;
  34. AVExtFloat av_dbl2ext(double d) av_const;
  35. #endif /* AVUTIL_INTFLOAT_READWRITE_H */