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* Thread safe MPEG4 quantization functions. Cleaned up version of patch provided by Michael - fixed compiling problems on gcc - added const qualifiers every where it was possible to help C compiler optimization. - added the mpeg_quant_matrices param to all ASM function prototype in comments (even if it's not used, that shows we do it deliberatly) - forces m[intra][0][0] = 8, otherwise XviD could write invalid streams. * Added real CRC computing in xvid_bench.c
/***************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - Quantization matrix management header - * * Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> * 2002 Peter Ross <pross@xvid.org> * * 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.h,v 1.6.2.3 2003/11/30 16:13:16 edgomez Exp $ * ****************************************************************************/ #ifndef _QUANT_MATRIX_H_ #define _QUANT_MATRIX_H_ #include "../portab.h" void init_mpeg_matrix(uint16_t * mpeg_quant_matrices); int is_custom_intra_matrix(const uint16_t * mpeg_quant_matrices); int is_custom_inter_matrix(const uint16_t * mpeg_quant_matrices); void set_intra_matrix(uint16_t *mpeg_quant_matrices, const uint8_t * matrix); void set_inter_matrix(uint16_t *mpeg_quant_matrices, const uint8_t * matrix); const uint16_t *get_intra_matrix(const uint16_t *mpeg_quant_matrices); const uint16_t *get_inter_matrix(const uint16_t *mpeg_quant_matrices); const uint8_t *get_default_intra_matrix(void); const uint8_t *get_default_inter_matrix(void); #endif /* _QUANT_MATRIX_H_ */
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