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vp8hwd_bool.h

vp8hwd_bool.h 2.1 KB
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  1. /*------------------------------------------------------------------------------
    2. 

  2. --                                                                            --
    3. 

  3. --       This software is confidential and proprietary and may be used        --
    4. 

  4. --        only as expressly authorized by a licensing agreement from          --
    5. 

  5. --                                                                            --
    6. 

  6. --                            Hantro Products Oy.                             --
    7. 

  7. --                                                                            --
    8. 

  8. --                   (C) COPYRIGHT 2006 HANTRO PRODUCTS OY                    --
    9. 

  9. --                            ALL RIGHTS RESERVED                             --
    10. 

  10. --                                                                            --
    11. 

  11. --                 The entire notice above must be reproduced                 --
    12. 

  12. --                  on all copies and should not be removed.                  --
    13. 

  13. --                                                                            --
    14. 

  14. --------------------------------------------------------------------------------
    15. 

  15. -
    16. 

  16. -  Description : ...
    17. 

  17. -
    18. 

  18. --------------------------------------------------------------------------------
    19. 

  19. -
    20. 

  20. -  Version control information, please leave untouched.
    21. 

  21. -
    22. 

  22. -  $RCSfile: vp8hwd_bool.h,v $
    23. 

  23. -  $Revision: 1.1 $
    24. 

  24. -  $Date: 2009/11/17 13:35:15 $
    25. 

  25. -
    26. 

  26. ------------------------------------------------------------------------------*/
    27. 

  27. 

  28. #ifndef __VP8_BOOL_H__
    29. 

  29. #define __VP8_BOOL_H__
    30. 

  30. 

  31. #include "basetype.h"
    32. 

  32. 

  33. #define END_OF_STREAM   (0xFFFFFFFF)
    34. 

  34. #define CHECK_END_OF_STREAM(s) if((s)==END_OF_STREAM) return (s)
    35. 

  35. 

  36. typedef struct
    37. 

  37. {
    38. 

  38.     u32 lowvalue;
    39. 

  39.     u32 range;
    40. 

  40.     u32 value;
    41. 

  41.     i32 count;
    42. 

  42.     u32 pos;
    43. 

  43.     u8 *buffer;
    44. 

  44.     u32 BitCounter;
    45. 

  45.     u32 streamEndPos;
    46. 

  46.     u32 strmError;
    47. 

  47. } vpBoolCoder_t;
    48. 

  48. 

  49. extern void vp8hwdBoolStart(vpBoolCoder_t * bc, const u8 *buffer, u32 len);
    50. 

  50. extern u32 vp8hwdDecodeBool(vpBoolCoder_t * bc, i32 probability);
    51. 

  51. extern u32 vp8hwdDecodeBool128(vpBoolCoder_t * bc);
    52. 

  52. extern void vp8hwdBoolStop(vpBoolCoder_t * bc);
    53. 

  53. 

  54. u32 vp8hwdReadBits ( vpBoolCoder_t *br, i32 bits );
    55. 

  55. 

  56. #endif /* __VP8_BOOL_H__ */
    57.