--- trunk/xvidcore/src/quant/quant_matrix.c 2002/03/08 19:17:46 4 +++ trunk/xvidcore/src/quant/quant_matrix.c 2002/09/08 17:28:22 457 @@ -1,107 +1,202 @@ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - Custom matrix quantization functions - + * + * Copyright(C) 2002 Michael Militzer + * + * This program is an implementation of a part of one or more MPEG-4 + * Video tools as specified in ISO/IEC 14496-2 standard. Those intending + * to use this software module in hardware or software products are + * advised that its use may infringe existing patents or copyrights, and + * any such use would be at such party's own risk. The original + * developer of this software module and his/her company, and subsequent + * editors and their companies, will have no liability for use of this + * software or modifications or derivatives thereof. + * + * This program is free software ; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation ; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY ; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program ; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: quant_matrix.c,v 1.8 2002-09-08 17:28:22 edgomez Exp $ + * + ****************************************************************************/ + #include "quant_matrix.h" #define FIX(X) (1 << 16) / (X) + 1 -uint8_t intra_matrix_changed; -uint8_t inter_matrix_changed; +/***************************************************************************** + * Local data + ****************************************************************************/ + +/* ToDo : remove all this local to make this module thread safe */ +uint8_t custom_intra_matrix = 0; +uint8_t custom_inter_matrix = 0; + +uint8_t default_intra_matrix[64] = { + 8, 17, 18, 19, 21, 23, 25, 27, + 17, 18, 19, 21, 23, 25, 27, 28, + 20, 21, 22, 23, 24, 26, 28, 30, + 21, 22, 23, 24, 26, 28, 30, 32, + 22, 23, 24, 26, 28, 30, 32, 35, + 23, 24, 26, 28, 30, 32, 35, 38, + 25, 26, 28, 30, 32, 35, 38, 41, + 27, 28, 30, 32, 35, 38, 41, 45 +}; int16_t intra_matrix[64] = { - 8,17,18,19,21,23,25,27, - 17,18,19,21,23,25,27,28, - 20,21,22,23,24,26,28,30, - 21,22,23,24,26,28,30,32, - 22,23,24,26,28,30,32,35, - 23,24,26,28,30,32,35,38, - 25,26,28,30,32,35,38,41, - 27,28,30,32,35,38,41,45 + 8, 17, 18, 19, 21, 23, 25, 27, + 17, 18, 19, 21, 23, 25, 27, 28, + 20, 21, 22, 23, 24, 26, 28, 30, + 21, 22, 23, 24, 26, 28, 30, 32, + 22, 23, 24, 26, 28, 30, 32, 35, + 23, 24, 26, 28, 30, 32, 35, 38, + 25, 26, 28, 30, 32, 35, 38, 41, + 27, 28, 30, 32, 35, 38, 41, 45 }; int16_t intra_matrix_fix[64] = { - FIX(8),FIX(17),FIX(18),FIX(19),FIX(21),FIX(23),FIX(25),FIX(27), - FIX(17),FIX(18),FIX(19),FIX(21),FIX(23),FIX(25),FIX(27),FIX(28), - FIX(20),FIX(21),FIX(22),FIX(23),FIX(24),FIX(26),FIX(28),FIX(30), - FIX(21),FIX(22),FIX(23),FIX(24),FIX(26),FIX(28),FIX(30),FIX(32), - FIX(22),FIX(23),FIX(24),FIX(26),FIX(28),FIX(30),FIX(32),FIX(35), - FIX(23),FIX(24),FIX(26),FIX(28),FIX(30),FIX(32),FIX(35),FIX(38), - FIX(25),FIX(26),FIX(28),FIX(30),FIX(32),FIX(35),FIX(38),FIX(41), - FIX(27),FIX(28),FIX(30),FIX(32),FIX(35),FIX(38),FIX(41),FIX(45) + FIX(8), FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), + FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), FIX(28), + FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), + FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), + FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), + FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), + FIX(25), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), + FIX(27), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), FIX(45) +}; + +uint8_t default_inter_matrix[64] = { + 16, 17, 18, 19, 20, 21, 22, 23, + 17, 18, 19, 20, 21, 22, 23, 24, + 18, 19, 20, 21, 22, 23, 24, 25, + 19, 20, 21, 22, 23, 24, 26, 27, + 20, 21, 22, 23, 25, 26, 27, 28, + 21, 22, 23, 24, 26, 27, 28, 30, + 22, 23, 24, 26, 27, 28, 30, 31, + 23, 24, 25, 27, 28, 30, 31, 33 }; int16_t inter_matrix[64] = { - 16,17,18,19,20,21,22,23, - 17,18,19,20,21,22,23,24, - 18,19,20,21,22,23,24,25, - 19,20,21,22,23,24,26,27, - 20,21,22,23,25,26,27,28, - 21,22,23,24,26,27,28,30, - 22,23,24,26,27,28,30,31, - 23,24,25,27,28,30,31,33 + 16, 17, 18, 19, 20, 21, 22, 23, + 17, 18, 19, 20, 21, 22, 23, 24, + 18, 19, 20, 21, 22, 23, 24, 25, + 19, 20, 21, 22, 23, 24, 26, 27, + 20, 21, 22, 23, 25, 26, 27, 28, + 21, 22, 23, 24, 26, 27, 28, 30, + 22, 23, 24, 26, 27, 28, 30, 31, + 23, 24, 25, 27, 28, 30, 31, 33 }; int16_t inter_matrix_fix[64] = { - FIX(16),FIX(17),FIX(18),FIX(19),FIX(20),FIX(21),FIX(22),FIX(23), - FIX(17),FIX(18),FIX(19),FIX(20),FIX(21),FIX(22),FIX(23),FIX(24), - FIX(18),FIX(19),FIX(20),FIX(21),FIX(22),FIX(23),FIX(24),FIX(25), - FIX(19),FIX(20),FIX(21),FIX(22),FIX(23),FIX(24),FIX(26),FIX(27), - FIX(20),FIX(21),FIX(22),FIX(23),FIX(25),FIX(26),FIX(27),FIX(28), - FIX(21),FIX(22),FIX(23),FIX(24),FIX(26),FIX(27),FIX(28),FIX(30), - FIX(22),FIX(23),FIX(24),FIX(26),FIX(27),FIX(28),FIX(30),FIX(31), - FIX(23),FIX(24),FIX(25),FIX(27),FIX(28),FIX(30),FIX(31),FIX(33) + FIX(16), FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), + FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), + FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(25), + FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), + FIX(20), FIX(21), FIX(22), FIX(23), FIX(25), FIX(26), FIX(27), FIX(28), + FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), FIX(28), FIX(30), + FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), FIX(28), FIX(30), FIX(31), + FIX(23), FIX(24), FIX(25), FIX(27), FIX(28), FIX(30), FIX(31), FIX(33) }; -uint8_t get_intra_matrix_status(void) { - return intra_matrix_changed; +/***************************************************************************** + * Functions + ****************************************************************************/ + +uint8_t +get_intra_matrix_status(void) +{ + return custom_intra_matrix; } -uint8_t get_inter_matrix_status(void) { - return inter_matrix_changed; +uint8_t +get_inter_matrix_status(void) +{ + return custom_inter_matrix; } -void set_intra_matrix_status(uint8_t status) { - intra_matrix_changed = status; +void +set_intra_matrix_status(uint8_t status) +{ + custom_intra_matrix = status; } -void set_inter_matrix_status(uint8_t status) { - inter_matrix_changed = status; +void +set_inter_matrix_status(uint8_t status) +{ + custom_inter_matrix = status; } -int16_t *get_intra_matrix(void) { +int16_t * +get_intra_matrix(void) +{ return intra_matrix; } -int16_t *get_inter_matrix(void) { +int16_t * +get_inter_matrix(void) +{ return inter_matrix; } -uint8_t set_intra_matrix(uint8_t *matrix) +uint8_t * +get_default_intra_matrix(void) +{ + return default_intra_matrix; +} + +uint8_t * +get_default_inter_matrix(void) +{ + return default_inter_matrix; +} + +uint8_t +set_intra_matrix(uint8_t * matrix) { - int i; - - intra_matrix_changed = 0; - - for(i = 0; i < 64; i++) { - if(intra_matrix[i] != matrix[i]) - intra_matrix_changed = 1; + int i, change = 0; + + custom_intra_matrix = 0; + + for (i = 0; i < 64; i++) { + if ((int16_t) default_intra_matrix[i] != matrix[i]) + custom_intra_matrix = 1; + if (intra_matrix[i] != matrix[i]) + change = 1; intra_matrix[i] = (int16_t) matrix[i]; intra_matrix_fix[i] = FIX(intra_matrix[i]); } - return intra_matrix_changed; + return custom_intra_matrix | change; } -uint8_t set_inter_matrix(uint8_t *matrix) +uint8_t +set_inter_matrix(uint8_t * matrix) { - int i; - - inter_matrix_changed = 0; + int i, change = 0; + + custom_inter_matrix = 0; - for(i = 0; i < 64; i++) { - if(inter_matrix[i] != matrix[i]) - inter_matrix_changed = 1; + for (i = 0; i < 64; i++) { + if ((int16_t) default_inter_matrix[i] != matrix[i]) + custom_inter_matrix = 1; + if (inter_matrix[i] != matrix[i]) + change = 1; inter_matrix[i] = (int16_t) matrix[i]; inter_matrix_fix[i] = FIX(inter_matrix[i]); } - return inter_matrix_changed; + return custom_inter_matrix | change; }