1 /* 2 * GSM common header 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_GSM_H 22 #define AVCODEC_GSM_H 23 24 /* bytes per block */ 25 #define GSM_BLOCK_SIZE 33 26 #define GSM_MS_BLOCK_SIZE 65 27 #define MSN_MIN_BLOCK_SIZE 41 28 29 /* samples per block */ 30 #define GSM_FRAME_SIZE 160 31 32 enum GSMModes { 33 GSM_13000 = 0, 34 MSN_12400, 35 MSN_11800, 36 MSN_11200, 37 MSN_10600, 38 MSN_10000, 39 MSN_9400, 40 MSN_8800, 41 MSN_8200, 42 NUM_GSM_MODES 43 }; 44 45 #endif /* AVCODEC_GSM_H */ 46