tjpgdcnf.h

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/*----------------------------------------------*/
/* TJpgDec System Configurations R0.03          */
/*----------------------------------------------*/
 
#define JD_SZBUF        512
/* Specifies size of stream input buffer */
 
#define JD_FORMAT       0
/* Specifies output pixel format.
/  0: RGB888 (24-bit/pix)
/  1: RGB565 (16-bit/pix)
/  2: Grayscale (8-bit/pix)
*/
 
#define JD_USE_SCALE    1
/* Switches output descaling feature.
/  0: Disable
/  1: Enable
*/
 
#define JD_TBLCLIP      0
/* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
/  0: Disable
/  1: Enable
*/
 
#define JD_FASTDECODE   1
/* Optimization level
/  0: Basic optimization. Suitable for 8/16-bit MCUs.
/     Workspace of 3100 bytes needed.
/  1: + 32-bit barrel shifter. Suitable for 32-bit MCUs.
/     Workspace of 3480 bytes needed.
/  2: + Table conversion for huffman decoding (wants 6 << HUFF_BIT bytes of RAM).
/     Workspace of 9644 bytes needed.
*/
 
// Do not change this, it is the minimum size in bytes of the workspace needed by the decoder
#if JD_FASTDECODE == 0
 #define TJPGD_WORKSPACE_SIZE 3100
#elif JD_FASTDECODE == 1
 #define TJPGD_WORKSPACE_SIZE 3500
#elif JD_FASTDECODE == 2
 #define TJPGD_WORKSPACE_SIZE (3500 + 6144)
#endif