HT7315_MonitorSOC/sdk/Driver/3rd/TJpg/tjpgdcnf.h

/*----------------------------------------------*/
/* TJpgDec System Configurations R0.03          */
/*----------------------------------------------*/

#define JD_SZBUF        512
/* Specifies size of stream input buffer */

#define JD_FORMAT       2
/* Specifies output pixel format.
/  0: RGB888 (24-bit/pix)
/  1: RGB565 (16-bit/pix)
/  2: Grayscale (8-bit/pix)
/  3: BGR888 (24-bit/pix)
/  4: BGR565 (16-bit/pix)
*/

#define JD_USE_SCALE    0
/* Switches output descaling feature.
/  0: Disable
/  1: Enable
*/

#define JD_TBLCLIP      1
/* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
/  0: Disable
/  1: Enable
*/

//#define JD_FASTDECODE   1
#define JD_FASTDECODE   2
/* 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