1 /***************************************************************************** 2 * 3 * XVID MPEG-4 VIDEO CODEC 4 * - Quantization matrix management header - 5 * 6 * Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> 7 * 2002 Peter Ross <pross@xvid.org> 8 * 9 * This program is free software ; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation ; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY ; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program ; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 * $Id: quant_matrix.h 1985 2011-05-18 09:02:35Z Isibaar $ 24 * 25 ****************************************************************************/ 26 27 #ifndef _QUANT_MATRIX_H_ 28 #define _QUANT_MATRIX_H_ 29 30 #include "../portab.h" 31 32 #define SCALEBITS 17 33 34 void init_mpeg_matrix(uint16_t * mpeg_quant_matrices); 35 36 int is_custom_intra_matrix(const uint16_t * mpeg_quant_matrices); 37 int is_custom_inter_matrix(const uint16_t * mpeg_quant_matrices); 38 39 void set_intra_matrix(uint16_t *mpeg_quant_matrices, const uint8_t * matrix); 40 void set_inter_matrix(uint16_t *mpeg_quant_matrices, const uint8_t * matrix); 41 42 void init_intra_matrix(uint16_t * mpeg_quant_matrices, uint32_t quant); 43 44 const uint16_t *get_intra_matrix(const uint16_t *mpeg_quant_matrices); 45 const uint16_t *get_inter_matrix(const uint16_t *mpeg_quant_matrices); 46 47 const uint8_t *get_default_intra_matrix(void); 48 const uint8_t *get_default_inter_matrix(void); 49 50 #endif /* _QUANT_MATRIX_H_ */ 51