--- quant_matrix.h	2003/02/15 15:22:19	1.6
+++ quant_matrix.h	2003/10/07 13:02:35	1.6.2.2
@@ -1,3 +1,29 @@
+/*****************************************************************************
+ *
+ *  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 1.6.2.2 2003/10/07 13:02:35 edgomez Exp $
+ *
+ ****************************************************************************/
+
 #ifndef _QUANT_MATRIX_H_
 #define _QUANT_MATRIX_H_
 
@@ -9,13 +35,13 @@
 void set_intra_matrix_status(uint8_t status);
 void set_inter_matrix_status(uint8_t status);
 
-uint8_t set_intra_matrix(uint8_t * matrix);
-uint8_t set_inter_matrix(uint8_t * matrix);
+uint8_t set_intra_matrix(const uint8_t * matrix);
+uint8_t set_inter_matrix(const uint8_t * matrix);
 
-int16_t *get_intra_matrix(void);
-int16_t *get_inter_matrix(void);
+const int16_t *get_intra_matrix(void);
+const int16_t *get_inter_matrix(void);
 
-uint8_t *get_default_intra_matrix(void);
-uint8_t *get_default_inter_matrix(void);
+const uint8_t *get_default_intra_matrix(void);
+const uint8_t *get_default_inter_matrix(void);
 
 #endif							/* _QUANT_MATRIX_H_ */