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HT7315_Monit...
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TJpg
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tjpgdcnf.h

tjpgdcnf.h 1.3 KB
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  1. /*----------------------------------------------*/
    2. 

  2. /* TJpgDec System Configurations R0.03          */
    3. 

  3. /*----------------------------------------------*/
    4. 

  4. 

  5. #define JD_SZBUF        512
    6. 

  6. /* Specifies size of stream input buffer */
    7. 

  7. 

  8. #define JD_FORMAT       2
    9. 

  9. /* Specifies output pixel format.
    10. 

  10. /  0: RGB888 (24-bit/pix)
    11. 

  11. /  1: RGB565 (16-bit/pix)
    12. 

  12. /  2: Grayscale (8-bit/pix)
    13. 

  13. /  3: BGR888 (24-bit/pix)
    14. 

  14. /  4: BGR565 (16-bit/pix)
    15. 

  15. */
    16. 

  16. 

  17. #define JD_USE_SCALE    0
    18. 

  18. /* Switches output descaling feature.
    19. 

  19. /  0: Disable
    20. 

  20. /  1: Enable
    21. 

  21. */
    22. 

  22. 

  23. #define JD_TBLCLIP      1
    24. 

  24. /* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
    25. 

  25. /  0: Disable
    26. 

  26. /  1: Enable
    27. 

  27. */
    28. 

  28. 

  29. //#define JD_FASTDECODE   1
    30. 

  30. #define JD_FASTDECODE   2
    31. 

  31. /* Optimization level
    32. 

  32. /  0: Basic optimization. Suitable for 8/16-bit MCUs.
    33. 

  33. /     Workspace of 3100 bytes needed.
    34. 

  34. /  1: + 32-bit barrel shifter. Suitable for 32-bit MCUs.
    35. 

  35. /     Workspace of 3480 bytes needed.
    36. 

  36. /  2: + Table conversion for huffman decoding (wants 6 << HUFF_BIT bytes of RAM).
    37. 

  37. /     Workspace of 9644 bytes needed.
    38. 

  38. */
    39. 

  39. 

  40. // Do not change this, it is the minimum size in bytes of the workspace needed by the decoder
    41. 

  41. #if JD_FASTDECODE == 0
    42. 

  42.  #define TJPGD_WORKSPACE_SIZE 3100
    43. 

  43. #elif JD_FASTDECODE == 1
    44. 

  44.  #define TJPGD_WORKSPACE_SIZE 3500
    45. 

  45. #elif JD_FASTDECODE == 2
    46. 

  46.  #define TJPGD_WORKSPACE_SIZE (3500 + 6144)
    47. 

  47. #endif
    48.