00001 /* 00002 * ADX ADPCM codecs 00003 * Copyright (c) 2001,2003 BERO 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00031 #ifndef AVCODEC_ADX_H 00032 #define AVCODEC_ADX_H 00033 00034 typedef struct { 00035 int s1,s2; 00036 } PREV; 00037 00038 typedef struct { 00039 PREV prev[2]; 00040 int header_parsed; 00041 unsigned char dec_temp[18*2]; 00042 int in_temp; 00043 } ADXContext; 00044 00045 #define BASEVOL 0x4000 00046 #define SCALE1 0x7298 00047 #define SCALE2 0x3350 00048 00049 #endif /* AVCODEC_ADX_H */
1.5.8