espressif_idf-extra-components/esp_jpeg/tjpgd/tjpgdcnf.h

36 lines
969 B
C

/*----------------------------------------------*/
/* TJpgDec System Configurations R0.03 */
/*----------------------------------------------*/
#include "sdkconfig.h"
#define JD_SZBUF CONFIG_JD_SZBUF
/* Specifies size of stream input buffer */
#define JD_FORMAT CONFIG_JD_FORMAT
/* Specifies output pixel format.
/ 0: RGB888 (24-bit/pix)
/ 1: RGB565 (16-bit/pix)
/ 2: Grayscale (8-bit/pix)
*/
#define JD_USE_SCALE CONFIG_JD_USE_SCALE
/* Switches output descaling feature.
/ 0: Disable
/ 1: Enable
*/
#define JD_TBLCLIP CONFIG_JD_TBLCLIP
/* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
/ 0: Disable
/ 1: Enable
*/
#define JD_FASTDECODE CONFIG_JD_FASTDECODE
/* Optimization level
/ 0: Basic optimization. Suitable for 8/16-bit MCUs.
/ 1: + 32-bit barrel shifter. Suitable for 32-bit MCUs.
/ 2: + Table conversion for huffman decoding (wants 6 << HUFF_BIT bytes of RAM)
*/