jpeg_qtables.h

LINUX X86平台下 万能摄象头驱动

/*
 * JPEG Q-tables.
 */

#ifndef JPEG_QTABLES_H
#define JPEG_QTABLES_H

static unsigned char qtable_creative_pccam[2][64] = {
    {				/* Q-table Y-components */
     0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
     0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
     0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
     0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
     0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
     0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
     0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
     0x16, 0x1c, 0x1d, 0x1d, 0x22, 0x1e, 0x1f, 0x1e},
    {				/* Q-table C-components */
     0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
     0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
};

static unsigned char qtable_kodak_ez200[2][64] = {
    {				/* Q-table Y-components */
     0x02, 0x01, 0x01, 0x02, 0x02, 0x04, 0x05, 0x06,
     0x01, 0x01, 0x01, 0x02, 0x03, 0x06, 0x06, 0x06,
     0x01, 0x01, 0x02, 0x02, 0x04, 0x06, 0x07, 0x06,
     0x01, 0x02, 0x02, 0x03, 0x05, 0x09, 0x08, 0x06,
     0x02, 0x02, 0x04, 0x06, 0x07, 0x0b, 0x0a, 0x08,
     0x02, 0x04, 0x06, 0x06, 0x08, 0x0a, 0x0b, 0x09,
     0x05, 0x06, 0x08, 0x09, 0x0a, 0x0c, 0x0c, 0x0a,
     0x07, 0x09, 0x0a, 0x0a, 0x0b, 0x0a, 0x0a, 0x0a},
    {				/* Q-table C-components */
     0x02, 0x02, 0x02, 0x05, 0x0a, 0x0a, 0x0a, 0x0a,
     0x02, 0x02, 0x03, 0x07, 0x0a, 0x0a, 0x0a, 0x0a,
     0x02, 0x03, 0x06, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
     0x05, 0x07, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
     0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
     0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
     0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
     0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a}
};

/* FIXME: This Q-table is identical to the Creative PC-CAM one,
 *        except for one byte. Possibly a typo?
 *        NWG: 18/05/2003.
 */
static unsigned char qtable_spca504_default[2][64] = {
    {				/* Q-table Y-components */
     0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
     0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
     0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
     0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
     0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
     0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
     0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
     0x16, 0x1c, 0x1d, 0x1d, 0x1d /* 0x22 */ , 0x1e, 0x1f, 0x1e,
     },
    {				/* Q-table C-components */
     0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
     0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
     0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
};

static unsigned char qtable_pocketdv[2][64] = {
    {				/* Q-table Y-components start registers 0x8800 */
     0x06, 0x04, 0x04, 0x06, 0x0a, 0x10, 0x14, 0x18,
     0x05, 0x05, 0x06, 0x08, 0x0a, 0x17, 0x18, 0x16,
     0x06, 0x05, 0x06, 0x0a, 0x10, 0x17, 0x1c, 0x16,
     0x06, 0x07, 0x09, 0x0c, 0x14, 0x23, 0x20, 0x19,
     0x07, 0x09, 0x0f, 0x16, 0x1b, 0x2c, 0x29, 0x1f,
     0x0a, 0x0e, 0x16, 0x1a, 0x20, 0x2a, 0x2d, 0x25,
     0x14, 0x1a, 0x1f, 0x23, 0x29, 0x30, 0x30, 0x28,
     0x1d, 0x25, 0x26, 0x27, 0x2d, 0x28, 0x29, 0x28,
     },
    {				/* Q-table C-components start registers 0x8840 */
     0x07, 0x07, 0x0a, 0x13, 0x28, 0x28, 0x28, 0x28,
     0x07, 0x08, 0x0a, 0x1a, 0x28, 0x28, 0x28, 0x28,
     0x0a, 0x0a, 0x16, 0x28, 0x28, 0x28, 0x28, 0x28,
     0x13, 0x1a, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
     0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
     0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
     0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
     0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28}

};
#endif				/* JPEG_QTABLES_H */