vlc.c
上传用户:super_houu
上传日期:2008-09-21
资源大小:4099k
文件大小:4k
- #include "Includesysdefs.h"
- #include "PlaycoreCaptureLogompeg_encvlc.h"
- #ifdef SUPPORT_CAPTURE_LOGO
- CONST VLCtable mbtypetab[32]=
- { /* I */
- {0,0}, {1,1}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
- {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
- {0,0}, {1,2}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
- {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}
- };
- /* Table B-12, variable length codes for dct_dc_size_luminance
- *
- * indexed by [dct_dc_size_luminance]
- */
- CONST sVLCtable DClumtab[12]=
- {
- {0x0004,3}, {0x0000,2}, {0x0001,2}, {0x0005,3}, {0x0006,3}, {0x000e,4},
- {0x001e,5}, {0x003e,6}, {0x007e,7}, {0x00fe,8}, {0x01fe,9}, {0x01ff,9}
- };
- /* Table B-13, variable length codes for dct_dc_size_chrominance
- *
- * indexed by [dct_dc_size_chrominance]
- */
- CONST sVLCtable DCchromtab[12]=
- {
- {0x0000,2}, {0x0001,2}, {0x0002,2}, {0x0006,3}, {0x000e,4}, {0x001e,5},
- {0x003e,6}, {0x007e,7}, {0x00fe,8}, {0x01fe,9}, {0x03fe,10},{0x03ff,10}
- };
- /* Table B-14, DCT coefficients table zero
- *
- * indexed by [run][level-1]
- * split into two tables (dct_code_tab1, dct_code_tab2) to reduce size
- * 'first DCT coefficient' condition and 'End of Block' are treated elsewhere
- * codes do not include s (sign bit)
- */
- CONST VLCtable dct_code_tab1[2][40]=
- {
- /* run = 0, level = 1...40 */
- {
- {0x03, 2}, {0x04, 4}, {0x05, 5}, {0x06, 7},
- {0x26, 8}, {0x21, 8}, {0x0a,10}, {0x1d,12},
- {0x18,12}, {0x13,12}, {0x10,12}, {0x1a,13},
- {0x19,13}, {0x18,13}, {0x17,13}, {0x1f,14},
- {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
- {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
- {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
- {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
- {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
- {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}
- },
- /* run = 1, level = 1...18 */
- {
- {0x03, 3}, {0x06, 6}, {0x25, 8}, {0x0c,10},
- {0x1b,12}, {0x16,13}, {0x15,13}, {0x1f,15},
- {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
- {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
- {0x11,16}, {0x10,16}, {0x00, 0}, {0x00, 0},
- {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0},
- {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0},
- {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0},
- {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0},
- {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}
- }
- };
- CONST VLCtable dct_code_tab2[30][5]=
- {
- /* run = 2...31, level = 1...5 */
- {{0x05, 4}, {0x04, 7}, {0x0b,10}, {0x14,12}, {0x14,13}},
- {{0x07, 5}, {0x24, 8}, {0x1c,12}, {0x13,13}, {0x00, 0}},
- {{0x06, 5}, {0x0f,10}, {0x12,12}, {0x00, 0}, {0x00, 0}},
- {{0x07, 6}, {0x09,10}, {0x12,13}, {0x00, 0}, {0x00, 0}},
- {{0x05, 6}, {0x1e,12}, {0x14,16}, {0x00, 0}, {0x00, 0}},
- {{0x04, 6}, {0x15,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x07, 7}, {0x11,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x05, 7}, {0x11,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x27, 8}, {0x10,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x23, 8}, {0x1a,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x22, 8}, {0x19,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x20, 8}, {0x18,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x0e,10}, {0x17,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x0d,10}, {0x16,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x08,10}, {0x15,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1f,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1a,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x19,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x17,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x16,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1f,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1e,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1d,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1c,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1b,13}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1f,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1e,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1d,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1c,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}},
- {{0x1b,16}, {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}}
- };
- #endif