Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program 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 |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef __PJMEDIA_CODECS_AMR_HELPER_H__ |
| 22 | #define __PJMEDIA_CODECS_AMR_HELPER_H__ |
| 23 | |
| 24 | /** |
| 25 | * @file pjmedia-codec/amr_helper.h |
| 26 | * @brief Common tables and helper functions for AMR codec (NB & WB). |
| 27 | */ |
| 28 | |
| 29 | |
| 30 | #ifdef _MSC_VER |
| 31 | # pragma warning(disable:4214) // bit field types other than int |
| 32 | #endif |
| 33 | |
| 34 | /** |
| 35 | * @defgroup PJMED_AMR_CODEC_HELPER AMR Codec Helper |
| 36 | * @ingroup PJMEDIA_CODEC_CODECS |
| 37 | * @brief AMR common tables and helper functions. |
| 38 | * @{ |
| 39 | * |
| 40 | * This sections describes common AMR constants tables (e.g: bits sensitivity |
| 41 | * order map, frame lengths, bitrates) and helper functions (e.g: pack AMR |
| 42 | * payload in octet-aligned mode or bandwidth-efficient mode, payload parser, |
| 43 | * reorder AMR bitstream). |
| 44 | */ |
| 45 | |
| 46 | PJ_BEGIN_DECL |
| 47 | |
| 48 | |
| 49 | /* AMR bits sensitivity order maps */ |
| 50 | |
| 51 | const pj_int16_t pjmedia_codec_amrnb_ordermap122[244] = |
| 52 | { |
| 53 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, |
| 54 | 10, 11, 12, 13, 14, 23, 15, 16, 17, 18, |
| 55 | 19, 20, 21, 22, 24, 25, 26, 27, 28, 38, |
| 56 | 141, 39, 142, 40, 143, 41, 144, 42, 145, 43, |
| 57 | 146, 44, 147, 45, 148, 46, 149, 47, 97, 150, |
| 58 | 200, 48, 98, 151, 201, 49, 99, 152, 202, 86, |
| 59 | 136, 189, 239, 87, 137, 190, 240, 88, 138, 191, |
| 60 | 241, 91, 194, 92, 195, 93, 196, 94, 197, 95, |
| 61 | 198, 29, 30, 31, 32, 33, 34, 35, 50, 100, |
| 62 | 153, 203, 89, 139, 192, 242, 51, 101, 154, 204, |
| 63 | 55, 105, 158, 208, 90, 140, 193, 243, 59, 109, |
| 64 | 162, 212, 63, 113, 166, 216, 67, 117, 170, 220, |
| 65 | 36, 37, 54, 53, 52, 58, 57, 56, 62, 61, |
| 66 | 60, 66, 65, 64, 70, 69, 68, 104, 103, 102, |
| 67 | 108, 107, 106, 112, 111, 110, 116, 115, 114, 120, |
| 68 | 119, 118, 157, 156, 155, 161, 160, 159, 165, 164, |
| 69 | 163, 169, 168, 167, 173, 172, 171, 207, 206, 205, |
| 70 | 211, 210, 209, 215, 214, 213, 219, 218, 217, 223, |
| 71 | 222, 221, 73, 72, 71, 76, 75, 74, 79, 78, |
| 72 | 77, 82, 81, 80, 85, 84, 83, 123, 122, 121, |
| 73 | 126, 125, 124, 129, 128, 127, 132, 131, 130, 135, |
| 74 | 134, 133, 176, 175, 174, 179, 178, 177, 182, 181, |
| 75 | 180, 185, 184, 183, 188, 187, 186, 226, 225, 224, |
| 76 | 229, 228, 227, 232, 231, 230, 235, 234, 233, 238, |
| 77 | 237, 236, 96, 199 |
| 78 | }; |
| 79 | |
| 80 | const pj_int16_t pjmedia_codec_amrnb_ordermap102[204] = |
| 81 | { |
| 82 | 7, 6, 5, 4, 3, 2, 1, 0, 16, 15, |
| 83 | 14, 13, 12, 11, 10, 9, 8, 26, 27, 28, |
| 84 | 29, 30, 31, 115, 116, 117, 118, 119, 120, 72, |
| 85 | 73, 161, 162, 65, 68, 69, 108, 111, 112, 154, |
| 86 | 157, 158, 197, 200, 201, 32, 33, 121, 122, 74, |
| 87 | 75, 163, 164, 66, 109, 155, 198, 19, 23, 21, |
| 88 | 22, 18, 17, 20, 24, 25, 37, 36, 35, 34, |
| 89 | 80, 79, 78, 77, 126, 125, 124, 123, 169, 168, |
| 90 | 167, 166, 70, 67, 71, 113, 110, 114, 159, 156, |
| 91 | 160, 202, 199, 203, 76, 165, 81, 82, 92, 91, |
| 92 | 93, 83, 95, 85, 84, 94, 101, 102, 96, 104, |
| 93 | 86, 103, 87, 97, 127, 128, 138, 137, 139, 129, |
| 94 | 141, 131, 130, 140, 147, 148, 142, 150, 132, 149, |
| 95 | 133, 143, 170, 171, 181, 180, 182, 172, 184, 174, |
| 96 | 173, 183, 190, 191, 185, 193, 175, 192, 176, 186, |
| 97 | 38, 39, 49, 48, 50, 40, 52, 42, 41, 51, |
| 98 | 58, 59, 53, 61, 43, 60, 44, 54, 194, 179, |
| 99 | 189, 196, 177, 195, 178, 187, 188, 151, 136, 146, |
| 100 | 153, 134, 152, 135, 144, 145, 105, 90, 100, 107, |
| 101 | 88, 106, 89, 98, 99, 62, 47, 57, 64, 45, |
| 102 | 63, 46, 55, 56 |
| 103 | }; |
| 104 | |
| 105 | const pj_int16_t pjmedia_codec_amrnb_ordermap795[159] = |
| 106 | { |
| 107 | 8, 7, 6, 5, 4, 3, 2, 14, 16, 9, |
| 108 | 10, 12, 13, 15, 11, 17, 20, 22, 24, 23, |
| 109 | 19, 18, 21, 56, 88, 122, 154, 57, 89, 123, |
| 110 | 155, 58, 90, 124, 156, 52, 84, 118, 150, 53, |
| 111 | 85, 119, 151, 27, 93, 28, 94, 29, 95, 30, |
| 112 | 96, 31, 97, 61, 127, 62, 128, 63, 129, 59, |
| 113 | 91, 125, 157, 32, 98, 64, 130, 1, 0, 25, |
| 114 | 26, 33, 99, 34, 100, 65, 131, 66, 132, 54, |
| 115 | 86, 120, 152, 60, 92, 126, 158, 55, 87, 121, |
| 116 | 153, 117, 116, 115, 46, 78, 112, 144, 43, 75, |
| 117 | 109, 141, 40, 72, 106, 138, 36, 68, 102, 134, |
| 118 | 114, 149, 148, 147, 146, 83, 82, 81, 80, 51, |
| 119 | 50, 49, 48, 47, 45, 44, 42, 39, 35, 79, |
| 120 | 77, 76, 74, 71, 67, 113, 111, 110, 108, 105, |
| 121 | 101, 145, 143, 142, 140, 137, 133, 41, 73, 107, |
| 122 | 139, 37, 69, 103, 135, 38, 70, 104, 136 |
| 123 | }; |
| 124 | |
| 125 | const pj_int16_t pjmedia_codec_amrnb_ordermap74[148] = |
| 126 | { |
| 127 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, |
| 128 | 10, 11, 12, 13, 14, 15, 16, 26, 87, 27, |
| 129 | 88, 28, 89, 29, 90, 30, 91, 51, 80, 112, |
| 130 | 141, 52, 81, 113, 142, 54, 83, 115, 144, 55, |
| 131 | 84, 116, 145, 58, 119, 59, 120, 21, 22, 23, |
| 132 | 17, 18, 19, 31, 60, 92, 121, 56, 85, 117, |
| 133 | 146, 20, 24, 25, 50, 79, 111, 140, 57, 86, |
| 134 | 118, 147, 49, 78, 110, 139, 48, 77, 53, 82, |
| 135 | 114, 143, 109, 138, 47, 76, 108, 137, 32, 33, |
| 136 | 61, 62, 93, 94, 122, 123, 41, 42, 43, 44, |
| 137 | 45, 46, 70, 71, 72, 73, 74, 75, 102, 103, |
| 138 | 104, 105, 106, 107, 131, 132, 133, 134, 135, 136, |
| 139 | 34, 63, 95, 124, 35, 64, 96, 125, 36, 65, |
| 140 | 97, 126, 37, 66, 98, 127, 38, 67, 99, 128, |
| 141 | 39, 68, 100, 129, 40, 69, 101, 130 |
| 142 | }; |
| 143 | |
| 144 | const pj_int16_t pjmedia_codec_amrnb_ordermap67[134] = |
| 145 | { |
| 146 | 0, 1, 4, 3, 5, 6, 13, 7, 2, 8, |
| 147 | 9, 11, 15, 12, 14, 10, 28, 82, 29, 83, |
| 148 | 27, 81, 26, 80, 30, 84, 16, 55, 109, 56, |
| 149 | 110, 31, 85, 57, 111, 48, 73, 102, 127, 32, |
| 150 | 86, 51, 76, 105, 130, 52, 77, 106, 131, 58, |
| 151 | 112, 33, 87, 19, 23, 53, 78, 107, 132, 21, |
| 152 | 22, 18, 17, 20, 24, 25, 50, 75, 104, 129, |
| 153 | 47, 72, 101, 126, 54, 79, 108, 133, 46, 71, |
| 154 | 100, 125, 128, 103, 74, 49, 45, 70, 99, 124, |
| 155 | 42, 67, 96, 121, 39, 64, 93, 118, 38, 63, |
| 156 | 92, 117, 35, 60, 89, 114, 34, 59, 88, 113, |
| 157 | 44, 69, 98, 123, 43, 68, 97, 122, 41, 66, |
| 158 | 95, 120, 40, 65, 94, 119, 37, 62, 91, 116, |
| 159 | 36, 61, 90, 115 |
| 160 | }; |
| 161 | |
| 162 | const pj_int16_t pjmedia_codec_amrnb_ordermap59[118] = |
| 163 | { |
| 164 | 0, 1, 4, 5, 3, 6, 7, 2, 13, 15, |
| 165 | 8, 9, 11, 12, 14, 10, 16, 28, 74, 29, |
| 166 | 75, 27, 73, 26, 72, 30, 76, 51, 97, 50, |
| 167 | 71, 96, 117, 31, 77, 52, 98, 49, 70, 95, |
| 168 | 116, 53, 99, 32, 78, 33, 79, 48, 69, 94, |
| 169 | 115, 47, 68, 93, 114, 46, 67, 92, 113, 19, |
| 170 | 21, 23, 22, 18, 17, 20, 24, 111, 43, 89, |
| 171 | 110, 64, 65, 44, 90, 25, 45, 66, 91, 112, |
| 172 | 54, 100, 40, 61, 86, 107, 39, 60, 85, 106, |
| 173 | 36, 57, 82, 103, 35, 56, 81, 102, 34, 55, |
| 174 | 80, 101, 42, 63, 88, 109, 41, 62, 87, 108, |
| 175 | 38, 59, 84, 105, 37, 58, 83, 104 |
| 176 | }; |
| 177 | |
| 178 | const pj_int16_t pjmedia_codec_amrnb_ordermap515[103] = |
| 179 | { |
| 180 | 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, |
| 181 | 13, 12, 11, 10, 9, 8, 23, 24, 25, 26, |
| 182 | 27, 46, 65, 84, 45, 44, 43, 64, 63, 62, |
| 183 | 83, 82, 81, 102, 101, 100, 42, 61, 80, 99, |
| 184 | 28, 47, 66, 85, 18, 41, 60, 79, 98, 29, |
| 185 | 48, 67, 17, 20, 22, 40, 59, 78, 97, 21, |
| 186 | 30, 49, 68, 86, 19, 16, 87, 39, 38, 58, |
| 187 | 57, 77, 35, 54, 73, 92, 76, 96, 95, 36, |
| 188 | 55, 74, 93, 32, 51, 33, 52, 70, 71, 89, |
| 189 | 90, 31, 50, 69, 88, 37, 56, 75, 94, 34, |
| 190 | 53, 72, 91 |
| 191 | }; |
| 192 | |
| 193 | const pj_int16_t pjmedia_codec_amrnb_ordermap475[95] = |
| 194 | { |
| 195 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, |
| 196 | 10, 11, 12, 13, 14, 15, 23, 24, 25, 26, |
| 197 | 27, 28, 48, 49, 61, 62, 82, 83, 47, 46, |
| 198 | 45, 44, 81, 80, 79, 78, 17, 18, 20, 22, |
| 199 | 77, 76, 75, 74, 29, 30, 43, 42, 41, 40, |
| 200 | 38, 39, 16, 19, 21, 50, 51, 59, 60, 63, |
| 201 | 64, 72, 73, 84, 85, 93, 94, 32, 33, 35, |
| 202 | 36, 53, 54, 56, 57, 66, 67, 69, 70, 87, |
| 203 | 88, 90, 91, 34, 55, 68, 89, 37, 58, 71, |
| 204 | 92, 31, 52, 65, 86 |
| 205 | }; |
| 206 | |
| 207 | |
| 208 | const pj_int16_t pjmedia_codec_amrwb_ordermap_660[] = |
| 209 | { |
| 210 | 0, 5, 6, 7, 61, 84, 107, 130, 62, 85, |
| 211 | 8, 4, 37, 38, 39, 40, 58, 81, 104, 127, |
| 212 | 60, 83, 106, 129, 108, 131, 128, 41, 42, 80, |
| 213 | 126, 1, 3, 57, 103, 82, 105, 59, 2, 63, |
| 214 | 109, 110, 86, 19, 22, 23, 64, 87, 18, 20, |
| 215 | 21, 17, 13, 88, 43, 89, 65, 111, 14, 24, |
| 216 | 25, 26, 27, 28, 15, 16, 44, 90, 66, 112, |
| 217 | 9, 11, 10, 12, 67, 113, 29, 30, 31, 32, |
| 218 | 34, 33, 35, 36, 45, 51, 68, 74, 91, 97, |
| 219 | 114, 120, 46, 69, 92, 115, 52, 75, 98, 121, |
| 220 | 47, 70, 93, 116, 53, 76, 99, 122, 48, 71, |
| 221 | 94, 117, 54, 77, 100, 123, 49, 72, 95, 118, |
| 222 | 55, 78, 101, 124, 50, 73, 96, 119, 56, 79, |
| 223 | 102, 125 |
| 224 | }; |
| 225 | |
| 226 | const pj_int16_t pjmedia_codec_amrwb_ordermap_885[] = |
| 227 | { |
| 228 | 0, 4, 6, 7, 5, 3, 47, 48, 49, 112, |
| 229 | 113, 114, 75, 106, 140, 171, 80, 111, 145, 176, |
| 230 | 77, 108, 142, 173, 78, 109, 143, 174, 79, 110, |
| 231 | 144, 175, 76, 107, 141, 172, 50, 115, 51, 2, |
| 232 | 1, 81, 116, 146, 19, 21, 12, 17, 18, 20, |
| 233 | 16, 25, 13, 10, 14, 24, 23, 22, 26, 8, |
| 234 | 15, 52, 117, 31, 82, 147, 9, 33, 11, 83, |
| 235 | 148, 53, 118, 28, 27, 84, 149, 34, 35, 29, |
| 236 | 46, 32, 30, 54, 119, 37, 36, 39, 38, 40, |
| 237 | 85, 150, 41, 42, 43, 44, 45, 55, 60, 65, |
| 238 | 70, 86, 91, 96, 101, 120, 125, 130, 135, 151, |
| 239 | 156, 161, 166, 56, 87, 121, 152, 61, 92, 126, |
| 240 | 157, 66, 97, 131, 162, 71, 102, 136, 167, 57, |
| 241 | 88, 122, 153, 62, 93, 127, 158, 67, 98, 132, |
| 242 | 163, 72, 103, 137, 168, 58, 89, 123, 154, 63, |
| 243 | 94, 128, 159, 68, 99, 133, 164, 73, 104, 138, |
| 244 | 169, 59, 90, 124, 155, 64, 95, 129, 160, 69, |
| 245 | 100, 134, 165, 74, 105, 139, 170 |
| 246 | }; |
| 247 | |
| 248 | const pj_int16_t pjmedia_codec_amrwb_ordermap_1265[] = |
| 249 | { |
| 250 | 0, 4, 6, 93, 143, 196, 246, 7, 5, 3, |
| 251 | 47, 48, 49, 50, 51, 150, 151, 152, 153, 154, |
| 252 | 94, 144, 197, 247, 99, 149, 202, 252, 96, 146, |
| 253 | 199, 249, 97, 147, 200, 250, 100, 203, 98, 148, |
| 254 | 201, 251, 95, 145, 198, 248, 52, 2, 1, 101, |
| 255 | 204, 155, 19, 21, 12, 17, 18, 20, 16, 25, |
| 256 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 257 | 156, 31, 102, 205, 9, 33, 11, 103, 206, 54, |
| 258 | 157, 28, 27, 104, 207, 34, 35, 29, 46, 32, |
| 259 | 30, 55, 158, 37, 36, 39, 38, 40, 105, 208, |
| 260 | 41, 42, 43, 44, 45, 56, 106, 159, 209, 57, |
| 261 | 66, 75, 84, 107, 116, 125, 134, 160, 169, 178, |
| 262 | 187, 210, 219, 228, 237, 58, 108, 161, 211, 62, |
| 263 | 112, 165, 215, 67, 117, 170, 220, 71, 121, 174, |
| 264 | 224, 76, 126, 179, 229, 80, 130, 183, 233, 85, |
| 265 | 135, 188, 238, 89, 139, 192, 242, 59, 109, 162, |
| 266 | 212, 63, 113, 166, 216, 68, 118, 171, 221, 72, |
| 267 | 122, 175, 225, 77, 127, 180, 230, 81, 131, 184, |
| 268 | 234, 86, 136, 189, 239, 90, 140, 193, 243, 60, |
| 269 | 110, 163, 213, 64, 114, 167, 217, 69, 119, 172, |
| 270 | 222, 73, 123, 176, 226, 78, 128, 181, 231, 82, |
| 271 | 132, 185, 235, 87, 137, 190, 240, 91, 141, 194, |
| 272 | 244, 61, 111, 164, 214, 65, 115, 168, 218, 70, |
| 273 | 120, 173, 223, 74, 124, 177, 227, 79, 129, 182, |
| 274 | 232, 83, 133, 186, 236, 88, 138, 191, 241, 92, |
| 275 | 142, 195, 245 |
| 276 | }; |
| 277 | |
| 278 | const pj_int16_t pjmedia_codec_amrwb_ordermap_1425[] = |
| 279 | { |
| 280 | 0, 4, 6, 101, 159, 220, 278, 7, 5, 3, |
| 281 | 47, 48, 49, 50, 51, 166, 167, 168, 169, 170, |
| 282 | 102, 160, 221, 279, 107, 165, 226, 284, 104, 162, |
| 283 | 223, 281, 105, 163, 224, 282, 108, 227, 106, 164, |
| 284 | 225, 283, 103, 161, 222, 280, 52, 2, 1, 109, |
| 285 | 228, 171, 19, 21, 12, 17, 18, 20, 16, 25, |
| 286 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 287 | 172, 31, 110, 229, 9, 33, 11, 111, 230, 54, |
| 288 | 173, 28, 27, 112, 231, 34, 35, 29, 46, 32, |
| 289 | 30, 55, 174, 37, 36, 39, 38, 40, 113, 232, |
| 290 | 41, 42, 43, 44, 45, 56, 114, 175, 233, 62, |
| 291 | 120, 181, 239, 75, 133, 194, 252, 57, 115, 176, |
| 292 | 234, 63, 121, 182, 240, 70, 128, 189, 247, 76, |
| 293 | 134, 195, 253, 83, 141, 202, 260, 92, 150, 211, |
| 294 | 269, 84, 142, 203, 261, 93, 151, 212, 270, 85, |
| 295 | 143, 204, 262, 94, 152, 213, 271, 86, 144, 205, |
| 296 | 263, 95, 153, 214, 272, 64, 122, 183, 241, 77, |
| 297 | 135, 196, 254, 65, 123, 184, 242, 78, 136, 197, |
| 298 | 255, 87, 145, 206, 264, 96, 154, 215, 273, 58, |
| 299 | 116, 177, 235, 66, 124, 185, 243, 71, 129, 190, |
| 300 | 248, 79, 137, 198, 256, 88, 146, 207, 265, 97, |
| 301 | 155, 216, 274, 59, 117, 178, 236, 67, 125, 186, |
| 302 | 244, 72, 130, 191, 249, 80, 138, 199, 257, 89, |
| 303 | 147, 208, 266, 98, 156, 217, 275, 60, 118, 179, |
| 304 | 237, 68, 126, 187, 245, 73, 131, 192, 250, 81, |
| 305 | 139, 200, 258, 90, 148, 209, 267, 99, 157, 218, |
| 306 | 276, 61, 119, 180, 238, 69, 127, 188, 246, 74, |
| 307 | 132, 193, 251, 82, 140, 201, 259, 91, 149, 210, |
| 308 | 268, 100, 158, 219, 277 |
| 309 | }; |
| 310 | |
| 311 | const pj_int16_t pjmedia_codec_amrwb_ordermap_1585[] = |
| 312 | { |
| 313 | 0, 4, 6, 109, 175, 244, 310, 7, 5, 3, |
| 314 | 47, 48, 49, 50, 51, 182, 183, 184, 185, 186, |
| 315 | 110, 176, 245, 311, 115, 181, 250, 316, 112, 178, |
| 316 | 247, 313, 113, 179, 248, 314, 116, 251, 114, 180, |
| 317 | 249, 315, 111, 177, 246, 312, 52, 2, 1, 117, |
| 318 | 252, 187, 19, 21, 12, 17, 18, 20, 16, 25, |
| 319 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 320 | 188, 31, 118, 253, 9, 33, 11, 119, 254, 54, |
| 321 | 189, 28, 27, 120, 255, 34, 35, 29, 46, 32, |
| 322 | 30, 55, 190, 37, 36, 39, 38, 40, 121, 256, |
| 323 | 41, 42, 43, 44, 45, 56, 122, 191, 257, 63, |
| 324 | 129, 198, 264, 76, 142, 211, 277, 89, 155, 224, |
| 325 | 290, 102, 168, 237, 303, 57, 123, 192, 258, 70, |
| 326 | 136, 205, 271, 83, 149, 218, 284, 96, 162, 231, |
| 327 | 297, 62, 128, 197, 263, 75, 141, 210, 276, 88, |
| 328 | 154, 223, 289, 101, 167, 236, 302, 58, 124, 193, |
| 329 | 259, 71, 137, 206, 272, 84, 150, 219, 285, 97, |
| 330 | 163, 232, 298, 59, 125, 194, 260, 64, 130, 199, |
| 331 | 265, 67, 133, 202, 268, 72, 138, 207, 273, 77, |
| 332 | 143, 212, 278, 80, 146, 215, 281, 85, 151, 220, |
| 333 | 286, 90, 156, 225, 291, 93, 159, 228, 294, 98, |
| 334 | 164, 233, 299, 103, 169, 238, 304, 106, 172, 241, |
| 335 | 307, 60, 126, 195, 261, 65, 131, 200, 266, 68, |
| 336 | 134, 203, 269, 73, 139, 208, 274, 78, 144, 213, |
| 337 | 279, 81, 147, 216, 282, 86, 152, 221, 287, 91, |
| 338 | 157, 226, 292, 94, 160, 229, 295, 99, 165, 234, |
| 339 | 300, 104, 170, 239, 305, 107, 173, 242, 308, 61, |
| 340 | 127, 196, 262, 66, 132, 201, 267, 69, 135, 204, |
| 341 | 270, 74, 140, 209, 275, 79, 145, 214, 280, 82, |
| 342 | 148, 217, 283, 87, 153, 222, 288, 92, 158, 227, |
| 343 | 293, 95, 161, 230, 296, 100, 166, 235, 301, 105, |
| 344 | 171, 240, 306, 108, 174, 243, 309 |
| 345 | }; |
| 346 | |
| 347 | const pj_int16_t pjmedia_codec_amrwb_ordermap_1825[] = |
| 348 | { |
| 349 | 0, 4, 6, 121, 199, 280, 358, 7, 5, 3, |
| 350 | 47, 48, 49, 50, 51, 206, 207, 208, 209, 210, |
| 351 | 122, 200, 281, 359, 127, 205, 286, 364, 124, 202, |
| 352 | 283, 361, 125, 203, 284, 362, 128, 287, 126, 204, |
| 353 | 285, 363, 123, 201, 282, 360, 52, 2, 1, 129, |
| 354 | 288, 211, 19, 21, 12, 17, 18, 20, 16, 25, |
| 355 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 356 | 212, 31, 130, 289, 9, 33, 11, 131, 290, 54, |
| 357 | 213, 28, 27, 132, 291, 34, 35, 29, 46, 32, |
| 358 | 30, 55, 214, 37, 36, 39, 38, 40, 133, 292, |
| 359 | 41, 42, 43, 44, 45, 56, 134, 215, 293, 198, |
| 360 | 299, 136, 120, 138, 60, 279, 58, 62, 357, 139, |
| 361 | 140, 295, 156, 57, 219, 297, 63, 217, 137, 170, |
| 362 | 300, 222, 64, 106, 61, 78, 294, 92, 142, 141, |
| 363 | 135, 221, 296, 301, 343, 59, 298, 184, 329, 315, |
| 364 | 220, 216, 265, 251, 218, 237, 352, 223, 157, 86, |
| 365 | 171, 87, 164, 351, 111, 302, 65, 178, 115, 323, |
| 366 | 72, 192, 101, 179, 93, 73, 193, 151, 337, 309, |
| 367 | 143, 274, 69, 324, 165, 150, 97, 338, 110, 310, |
| 368 | 330, 273, 68, 107, 175, 245, 114, 79, 113, 189, |
| 369 | 246, 259, 174, 71, 185, 96, 344, 100, 322, 83, |
| 370 | 334, 316, 333, 252, 161, 348, 147, 82, 269, 232, |
| 371 | 260, 308, 353, 347, 163, 231, 306, 320, 188, 270, |
| 372 | 146, 177, 266, 350, 256, 85, 149, 116, 191, 160, |
| 373 | 238, 258, 336, 305, 255, 88, 224, 99, 339, 230, |
| 374 | 228, 227, 272, 242, 241, 319, 233, 311, 102, 74, |
| 375 | 180, 275, 66, 194, 152, 325, 172, 247, 244, 261, |
| 376 | 117, 158, 166, 354, 75, 144, 108, 312, 94, 186, |
| 377 | 303, 80, 234, 89, 195, 112, 340, 181, 345, 317, |
| 378 | 326, 276, 239, 167, 118, 313, 70, 355, 327, 253, |
| 379 | 190, 176, 271, 104, 98, 153, 103, 90, 76, 267, |
| 380 | 277, 248, 225, 262, 182, 84, 154, 235, 335, 168, |
| 381 | 331, 196, 341, 249, 162, 307, 148, 349, 263, 321, |
| 382 | 257, 243, 229, 356, 159, 119, 67, 187, 173, 145, |
| 383 | 240, 77, 304, 332, 314, 342, 109, 254, 81, 278, |
| 384 | 105, 91, 346, 318, 183, 250, 197, 328, 95, 155, |
| 385 | 169, 268, 226, 236, 264 |
| 386 | }; |
| 387 | |
| 388 | const pj_int16_t pjmedia_codec_amrwb_ordermap_1985[] = |
| 389 | { |
| 390 | 0, 4, 6, 129, 215, 304, 390, 7, 5, 3, |
| 391 | 47, 48, 49, 50, 51, 222, 223, 224, 225, 226, |
| 392 | 130, 216, 305, 391, 135, 221, 310, 396, 132, 218, |
| 393 | 307, 393, 133, 219, 308, 394, 136, 311, 134, 220, |
| 394 | 309, 395, 131, 217, 306, 392, 52, 2, 1, 137, |
| 395 | 312, 227, 19, 21, 12, 17, 18, 20, 16, 25, |
| 396 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 397 | 228, 31, 138, 313, 9, 33, 11, 139, 314, 54, |
| 398 | 229, 28, 27, 140, 315, 34, 35, 29, 46, 32, |
| 399 | 30, 55, 230, 37, 36, 39, 38, 40, 141, 316, |
| 400 | 41, 42, 43, 44, 45, 56, 142, 231, 317, 63, |
| 401 | 73, 92, 340, 82, 324, 149, 353, 159, 334, 165, |
| 402 | 338, 178, 163, 254, 77, 168, 257, 153, 343, 57, |
| 403 | 248, 238, 79, 252, 166, 67, 80, 201, 101, 267, |
| 404 | 143, 164, 341, 255, 339, 187, 376, 318, 78, 328, |
| 405 | 362, 115, 232, 242, 253, 290, 276, 62, 58, 158, |
| 406 | 68, 93, 179, 319, 148, 169, 154, 72, 385, 329, |
| 407 | 333, 344, 102, 83, 144, 233, 323, 124, 243, 192, |
| 408 | 354, 237, 64, 247, 202, 209, 150, 116, 335, 268, |
| 409 | 239, 299, 188, 196, 298, 94, 195, 258, 123, 363, |
| 410 | 384, 109, 325, 371, 170, 370, 84, 110, 295, 180, |
| 411 | 74, 210, 191, 106, 291, 205, 367, 381, 377, 206, |
| 412 | 355, 122, 119, 120, 383, 160, 105, 108, 277, 380, |
| 413 | 294, 284, 285, 345, 208, 269, 249, 366, 386, 300, |
| 414 | 297, 259, 125, 369, 197, 97, 194, 286, 211, 281, |
| 415 | 280, 183, 372, 87, 155, 283, 59, 348, 327, 184, |
| 416 | 76, 111, 330, 203, 349, 69, 98, 152, 145, 189, |
| 417 | 66, 320, 337, 173, 358, 251, 198, 174, 263, 262, |
| 418 | 126, 241, 193, 88, 388, 117, 95, 387, 112, 359, |
| 419 | 287, 244, 103, 272, 301, 171, 162, 234, 273, 127, |
| 420 | 373, 181, 292, 85, 378, 302, 121, 107, 364, 346, |
| 421 | 356, 212, 278, 213, 65, 382, 288, 207, 113, 175, |
| 422 | 99, 296, 374, 368, 199, 260, 185, 336, 331, 161, |
| 423 | 270, 264, 250, 240, 75, 350, 151, 60, 89, 321, |
| 424 | 156, 274, 360, 326, 70, 282, 167, 146, 352, 81, |
| 425 | 91, 389, 266, 245, 177, 235, 190, 256, 204, 342, |
| 426 | 128, 118, 303, 104, 379, 182, 114, 375, 200, 96, |
| 427 | 293, 172, 214, 365, 279, 86, 289, 351, 347, 357, |
| 428 | 261, 186, 176, 271, 90, 100, 147, 322, 275, 361, |
| 429 | 71, 332, 61, 265, 157, 246, 236 |
| 430 | }; |
| 431 | |
| 432 | const pj_int16_t pjmedia_codec_amrwb_ordermap_2305[] = |
| 433 | { |
| 434 | 0, 4, 6, 145, 247, 352, 454, 7, 5, 3, |
| 435 | 47, 48, 49, 50, 51, 254, 255, 256, 257, 258, |
| 436 | 146, 248, 353, 455, 151, 253, 358, 460, 148, 250, |
| 437 | 355, 457, 149, 251, 356, 458, 152, 359, 150, 252, |
| 438 | 357, 459, 147, 249, 354, 456, 52, 2, 1, 153, |
| 439 | 360, 259, 19, 21, 12, 17, 18, 20, 16, 25, |
| 440 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 441 | 260, 31, 154, 361, 9, 33, 11, 155, 362, 54, |
| 442 | 261, 28, 27, 156, 363, 34, 35, 29, 46, 32, |
| 443 | 30, 55, 262, 37, 36, 39, 38, 40, 157, 364, |
| 444 | 41, 42, 43, 44, 45, 56, 158, 263, 365, 181, |
| 445 | 192, 170, 79, 57, 399, 90, 159, 297, 377, 366, |
| 446 | 275, 68, 183, 388, 286, 194, 299, 92, 70, 182, |
| 447 | 401, 172, 59, 91, 58, 400, 368, 161, 81, 160, |
| 448 | 264, 171, 80, 389, 390, 378, 379, 193, 298, 69, |
| 449 | 266, 265, 367, 277, 288, 276, 287, 184, 60, 195, |
| 450 | 82, 93, 71, 369, 402, 173, 162, 444, 300, 391, |
| 451 | 98, 76, 278, 61, 267, 374, 135, 411, 167, 102, |
| 452 | 380, 200, 87, 178, 65, 94, 204, 124, 72, 342, |
| 453 | 189, 305, 381, 396, 433, 301, 226, 407, 289, 237, |
| 454 | 113, 215, 185, 128, 309, 403, 116, 320, 196, 331, |
| 455 | 370, 422, 174, 64, 392, 83, 425, 219, 134, 188, |
| 456 | 432, 112, 427, 139, 279, 163, 436, 208, 447, 218, |
| 457 | 236, 229, 97, 294, 385, 230, 166, 268, 177, 443, |
| 458 | 225, 426, 101, 272, 138, 127, 290, 117, 347, 199, |
| 459 | 414, 95, 140, 240, 410, 395, 209, 129, 283, 346, |
| 460 | 105, 241, 437, 86, 308, 448, 203, 345, 186, 107, |
| 461 | 220, 415, 334, 319, 106, 313, 118, 123, 73, 207, |
| 462 | 421, 214, 384, 373, 438, 62, 371, 341, 75, 449, |
| 463 | 168, 323, 164, 242, 416, 324, 304, 197, 335, 404, |
| 464 | 271, 63, 191, 325, 96, 169, 231, 280, 312, 187, |
| 465 | 406, 84, 201, 100, 67, 382, 175, 336, 202, 330, |
| 466 | 269, 393, 376, 383, 293, 307, 409, 179, 285, 314, |
| 467 | 302, 372, 398, 190, 180, 89, 99, 103, 232, 78, |
| 468 | 88, 77, 136, 387, 165, 198, 394, 125, 176, 428, |
| 469 | 74, 375, 238, 227, 66, 273, 282, 141, 306, 412, |
| 470 | 114, 85, 130, 348, 119, 291, 296, 386, 233, 397, |
| 471 | 303, 405, 284, 445, 423, 221, 210, 205, 450, 108, |
| 472 | 274, 434, 216, 343, 337, 142, 243, 321, 408, 451, |
| 473 | 310, 292, 120, 109, 281, 439, 270, 429, 332, 295, |
| 474 | 418, 211, 315, 222, 326, 131, 430, 244, 327, 349, |
| 475 | 417, 316, 143, 338, 440, 234, 110, 212, 452, 245, |
| 476 | 121, 419, 350, 223, 132, 441, 328, 413, 317, 339, |
| 477 | 126, 104, 137, 446, 344, 239, 435, 115, 333, 206, |
| 478 | 322, 217, 228, 424, 453, 311, 351, 111, 442, 224, |
| 479 | 213, 122, 431, 340, 235, 246, 133, 144, 420, 329, |
| 480 | 318 |
| 481 | }; |
| 482 | |
| 483 | const pj_int16_t pjmedia_codec_amrwb_ordermap_2385[] = |
| 484 | { |
| 485 | 0, 4, 6, 145, 251, 360, 466, 7, 5, 3, |
| 486 | 47, 48, 49, 50, 51, 262, 263, 264, 265, 266, |
| 487 | 146, 252, 361, 467, 151, 257, 366, 472, 148, 254, |
| 488 | 363, 469, 149, 255, 364, 470, 156, 371, 150, 256, |
| 489 | 365, 471, 147, 253, 362, 468, 52, 2, 1, 157, |
| 490 | 372, 267, 19, 21, 12, 17, 18, 20, 16, 25, |
| 491 | 13, 10, 14, 24, 23, 22, 26, 8, 15, 53, |
| 492 | 268, 31, 152, 153, 154, 155, 258, 259, 260, 261, |
| 493 | 367, 368, 369, 370, 473, 474, 475, 476, 158, 373, |
| 494 | 9, 33, 11, 159, 374, 54, 269, 28, 27, 160, |
| 495 | 375, 34, 35, 29, 46, 32, 30, 55, 270, 37, |
| 496 | 36, 39, 38, 40, 161, 376, 41, 42, 43, 44, |
| 497 | 45, 56, 162, 271, 377, 185, 196, 174, 79, 57, |
| 498 | 411, 90, 163, 305, 389, 378, 283, 68, 187, 400, |
| 499 | 294, 198, 307, 92, 70, 186, 413, 176, 59, 91, |
| 500 | 58, 412, 380, 165, 81, 164, 272, 175, 80, 401, |
| 501 | 402, 390, 391, 197, 306, 69, 274, 273, 379, 285, |
| 502 | 296, 284, 295, 188, 60, 199, 82, 93, 71, 381, |
| 503 | 414, 177, 166, 456, 308, 403, 98, 76, 286, 61, |
| 504 | 275, 386, 135, 423, 171, 102, 392, 204, 87, 182, |
| 505 | 65, 94, 208, 124, 72, 350, 193, 313, 393, 408, |
| 506 | 445, 309, 230, 419, 297, 241, 113, 219, 189, 128, |
| 507 | 317, 415, 116, 328, 200, 339, 382, 434, 178, 64, |
| 508 | 404, 83, 437, 223, 134, 192, 444, 112, 439, 139, |
| 509 | 287, 167, 448, 212, 459, 222, 240, 233, 97, 302, |
| 510 | 397, 234, 170, 276, 181, 455, 229, 438, 101, 280, |
| 511 | 138, 127, 298, 117, 355, 203, 426, 95, 140, 244, |
| 512 | 422, 407, 213, 129, 291, 354, 105, 245, 449, 86, |
| 513 | 316, 460, 207, 353, 190, 107, 224, 427, 342, 327, |
| 514 | 106, 321, 118, 123, 73, 211, 433, 218, 396, 385, |
| 515 | 450, 62, 383, 349, 75, 461, 172, 331, 168, 246, |
| 516 | 428, 332, 312, 201, 343, 416, 279, 63, 195, 333, |
| 517 | 96, 173, 235, 288, 320, 191, 418, 84, 205, 100, |
| 518 | 67, 394, 179, 344, 206, 338, 277, 405, 388, 395, |
| 519 | 301, 315, 421, 183, 293, 322, 310, 384, 410, 194, |
| 520 | 184, 89, 99, 103, 236, 78, 88, 77, 136, 399, |
| 521 | 169, 202, 406, 125, 180, 440, 74, 387, 242, 231, |
| 522 | 66, 281, 290, 141, 314, 424, 114, 85, 130, 356, |
| 523 | 119, 299, 304, 398, 237, 409, 311, 417, 292, 457, |
| 524 | 435, 225, 214, 209, 462, 108, 282, 446, 220, 351, |
| 525 | 345, 142, 247, 329, 420, 463, 318, 300, 120, 109, |
| 526 | 289, 451, 278, 441, 340, 303, 430, 215, 323, 226, |
| 527 | 334, 131, 442, 248, 335, 357, 429, 324, 143, 346, |
| 528 | 452, 238, 110, 216, 464, 249, 121, 431, 358, 227, |
| 529 | 132, 453, 336, 425, 325, 347, 126, 104, 137, 458, |
| 530 | 352, 243, 447, 115, 341, 210, 330, 221, 232, 436, |
| 531 | 465, 319, 359, 111, 454, 228, 217, 122, 443, 348, |
| 532 | 239, 250, 133, 144, 432, 337, 326 |
| 533 | }; |
| 534 | |
| 535 | /** |
| 536 | * AMR-NB bitstream sensitivity order maps. |
| 537 | */ |
| 538 | const pj_int16_t* const pjmedia_codec_amrnb_ordermaps[8] = |
| 539 | { |
| 540 | pjmedia_codec_amrnb_ordermap475, |
| 541 | pjmedia_codec_amrnb_ordermap515, |
| 542 | pjmedia_codec_amrnb_ordermap59, |
| 543 | pjmedia_codec_amrnb_ordermap67, |
| 544 | pjmedia_codec_amrnb_ordermap74, |
| 545 | pjmedia_codec_amrnb_ordermap795, |
| 546 | pjmedia_codec_amrnb_ordermap102, |
| 547 | pjmedia_codec_amrnb_ordermap122 |
| 548 | }; |
| 549 | |
| 550 | /** |
| 551 | * AMR-WB bitstream sensitivity order maps. |
| 552 | */ |
| 553 | const pj_int16_t* const pjmedia_codec_amrwb_ordermaps[9] = |
| 554 | { |
| 555 | pjmedia_codec_amrwb_ordermap_660, |
| 556 | pjmedia_codec_amrwb_ordermap_885, |
| 557 | pjmedia_codec_amrwb_ordermap_1265, |
| 558 | pjmedia_codec_amrwb_ordermap_1425, |
| 559 | pjmedia_codec_amrwb_ordermap_1585, |
| 560 | pjmedia_codec_amrwb_ordermap_1825, |
| 561 | pjmedia_codec_amrwb_ordermap_1985, |
| 562 | pjmedia_codec_amrwb_ordermap_2305, |
| 563 | pjmedia_codec_amrwb_ordermap_2385 |
| 564 | }; |
| 565 | |
| 566 | /** |
| 567 | * Constant of AMR-NB frame lengths in bytes. |
| 568 | */ |
| 569 | const pj_uint8_t pjmedia_codec_amrnb_framelen[16] = |
| 570 | {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0}; |
| 571 | /** |
| 572 | * Constant of AMR-NB frame lengths in bits. |
| 573 | */ |
| 574 | const pj_uint16_t pjmedia_codec_amrnb_framelenbits[9] = |
| 575 | {95, 103, 118, 134, 148, 159, 204, 244, 39}; |
| 576 | /** |
| 577 | * Constant of AMR-NB bitrates. |
| 578 | */ |
| 579 | const pj_uint16_t pjmedia_codec_amrnb_bitrates[8] = |
| 580 | {4750, 5150, 5900, 6700, 7400, 7950, 10200, 12200}; |
| 581 | |
| 582 | /** |
| 583 | * Constant of AMR-WB frame lengths in bytes. |
| 584 | */ |
| 585 | const pj_uint8_t pjmedia_codec_amrwb_framelen[16] = |
| 586 | {17, 23, 32, 37, 40, 46, 50, 58, 60, 5, 0, 0, 0, 0, 0, 0}; |
| 587 | /** |
| 588 | * Constant of AMR-WB frame lengths in bits. |
| 589 | */ |
| 590 | const pj_uint16_t pjmedia_codec_amrwb_framelenbits[10] = |
| 591 | {132, 177, 253, 285, 317, 365, 397, 461, 477, 40}; |
| 592 | /** |
| 593 | * Constant of AMR-WB bitrates. |
| 594 | */ |
| 595 | const pj_uint16_t pjmedia_codec_amrwb_bitrates[9] = |
| 596 | {6600, 8850, 12650, 14250, 15850, 18250, 19850, 23050, 23850}; |
| 597 | |
| 598 | |
| 599 | /** |
| 600 | * This structure describes AMR frame info, to be fitted into #pjmedia_frame |
| 601 | * bit info. |
| 602 | */ |
| 603 | #pragma pack(1) |
| 604 | typedef struct pjmedia_codec_amr_bit_info { |
| 605 | pj_uint8_t frame_type; /**< AMR frame type. */ |
| 606 | pj_int8_t mode; /**< AMR mode. */ |
| 607 | pj_uint8_t start_bit; /**< Frame start bit. */ |
| 608 | pj_uint8_t good_quality:1; /**< Flag if frame is good/degraded. */ |
| 609 | pj_uint8_t STI:1; /**< STI mode (first/update). */ |
| 610 | } pjmedia_codec_amr_bit_info; |
| 611 | #pragma pack() |
| 612 | |
| 613 | |
| 614 | /** |
| 615 | * This structure describes AMR settings. |
| 616 | */ |
| 617 | typedef struct pjmedia_codec_amr_pack_setting { |
| 618 | pj_uint8_t amr_nb:1; /**< Set 1 for AMR-NB, 0 for AMR-WB. */ |
| 619 | pj_uint8_t reorder:1; /**< Reorder bitstream into descending |
| 620 | sensitivity order or vice versa. */ |
| 621 | pj_uint8_t octet_aligned:1; /**< TRUE if payload is in octet-aligned mode, |
| 622 | FALSE if payload is in bandwidth |
| 623 | efficient mode. */ |
| 624 | pj_uint8_t cmr:4; /**< Change Mode Request for remote |
| 625 | encoder. */ |
| 626 | } pjmedia_codec_amr_pack_setting; |
| 627 | |
| 628 | |
| 629 | /** |
| 630 | * Get AMR mode based on bitrate. |
| 631 | * |
| 632 | * @param bitrate AMR bitrate. |
| 633 | * |
| 634 | * @return AMR mode. |
| 635 | */ |
| 636 | PJ_INLINE(pj_int8_t) pjmedia_codec_amr_get_mode(unsigned bitrate) |
| 637 | { |
| 638 | pj_int8_t mode = -1; |
| 639 | |
| 640 | if(bitrate==4750){ |
| 641 | mode = 0; |
| 642 | } else if(bitrate==5150){ |
| 643 | mode = 1; |
| 644 | } else if(bitrate==5900){ |
| 645 | mode = 2; |
| 646 | } else if(bitrate==6700){ |
| 647 | mode = 3; |
| 648 | } else if(bitrate==7400){ |
| 649 | mode = 4; |
| 650 | } else if(bitrate==7950){ |
| 651 | mode = 5; |
| 652 | } else if(bitrate==10200){ |
| 653 | mode = 6; |
| 654 | } else if(bitrate==12200){ |
| 655 | mode = 7; |
| 656 | |
| 657 | /* AMRWB */ |
| 658 | } else if(bitrate==6600){ |
| 659 | mode = 0; |
| 660 | } else if(bitrate==8850){ |
| 661 | mode = 1; |
| 662 | } else if(bitrate==12650){ |
| 663 | mode = 2; |
| 664 | } else if(bitrate==14250){ |
| 665 | mode = 3; |
| 666 | } else if(bitrate==15850){ |
| 667 | mode = 4; |
| 668 | } else if(bitrate==18250){ |
| 669 | mode = 5; |
| 670 | } else if(bitrate==19850){ |
| 671 | mode = 6; |
| 672 | } else if(bitrate==23050){ |
| 673 | mode = 7; |
| 674 | } else if(bitrate==23850){ |
| 675 | mode = 8; |
| 676 | } |
| 677 | return mode; |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * Get AMR mode based on frame length. |
| 682 | * |
| 683 | * @param amrnb Set to PJ_TRUE for AMR-NB domain or PJ_FALSE for AMR-WB. |
| 684 | * @param frame_len The frame length. |
| 685 | * |
| 686 | * @return AMR mode. |
| 687 | */ |
| 688 | |
| 689 | PJ_INLINE(pj_int8_t) pjmedia_codec_amr_get_mode2(pj_bool_t amrnb, |
| 690 | unsigned frame_len) |
| 691 | { |
| 692 | int i; |
| 693 | |
| 694 | if (amrnb) { |
| 695 | for (i = 0; i < 9; ++i) |
| 696 | if (frame_len == pjmedia_codec_amrnb_framelen[i]) |
| 697 | return (pj_int8_t)i; |
| 698 | } else { |
| 699 | for (i = 0; i < 10; ++i) { |
| 700 | if (frame_len == pjmedia_codec_amrwb_framelen[i]) |
| 701 | return (pj_int8_t)i; |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | pj_assert(!"Invalid AMR frame length"); |
| 706 | return -1; |
| 707 | } |
| 708 | |
| 709 | /** |
| 710 | * Prepare a frame before pass it to decoder. This function will do: |
| 711 | * - reorder AMR bitstream from descending sensitivity order into |
| 712 | * encoder bits order. This can be enabled/disabled via param |
| 713 | * 'setting' by setting/resetting field 'reorder'. |
| 714 | * - align left the start bit (make the start_bit to be 0). |
| 715 | * |
| 716 | * @param in Input frame. |
| 717 | * @param setting Settings, see #pjmedia_codec_amr_pack_setting. |
| 718 | * @param out Output frame. |
| 719 | * |
| 720 | * @return PJ_SUCCESS on success. |
| 721 | */ |
| 722 | PJ_INLINE(pj_status_t) pjmedia_codec_amr_predecode( |
| 723 | const pjmedia_frame *in, |
| 724 | const pjmedia_codec_amr_pack_setting *setting, |
| 725 | pjmedia_frame *out) |
| 726 | { |
| 727 | pj_int8_t amr_bits[477 + 7] = {0}; |
| 728 | pj_int8_t *p_amr_bits = &amr_bits[0]; |
| 729 | |
| 730 | pj_uint8_t *r = (pj_uint8_t*) in->buf; /* read cursor */ |
| 731 | pj_uint8_t *w = (pj_uint8_t*) out->buf; /* write cursor */ |
| 732 | |
| 733 | /* env vars for AMR or AMRWB */ |
| 734 | pj_uint8_t SID_FT; |
| 735 | const pj_uint8_t *framelen_tbl; |
| 736 | const pj_uint16_t *framelenbit_tbl; |
| 737 | const pj_uint16_t *bitrate_tbl; |
| 738 | const pj_int16_t* const *order_maps; |
| 739 | |
| 740 | pjmedia_codec_amr_bit_info *in_info = |
| 741 | (pjmedia_codec_amr_bit_info*) &in->bit_info; |
| 742 | pjmedia_codec_amr_bit_info *out_info = |
| 743 | (pjmedia_codec_amr_bit_info*) &out->bit_info; |
| 744 | |
| 745 | unsigned i; |
| 746 | |
| 747 | *out_info = *in_info; |
| 748 | |
| 749 | if (setting->amr_nb) { |
| 750 | SID_FT = 8; |
| 751 | framelen_tbl = pjmedia_codec_amrnb_framelen; |
| 752 | framelenbit_tbl = pjmedia_codec_amrnb_framelenbits; |
| 753 | bitrate_tbl = pjmedia_codec_amrnb_bitrates; |
| 754 | order_maps = pjmedia_codec_amrnb_ordermaps; |
| 755 | } else { |
| 756 | SID_FT = 9; |
| 757 | framelen_tbl = pjmedia_codec_amrwb_framelen; |
| 758 | framelenbit_tbl = pjmedia_codec_amrwb_framelenbits; |
| 759 | bitrate_tbl = pjmedia_codec_amrwb_bitrates; |
| 760 | order_maps = pjmedia_codec_amrwb_ordermaps; |
| 761 | } |
| 762 | |
| 763 | /* unpack AMR bitstream if there is any data */ |
| 764 | if (in_info->frame_type <= SID_FT) { |
| 765 | i = 0; |
| 766 | if (in_info->start_bit) { |
| 767 | for (; i < (unsigned)(8-in_info->start_bit); ++i) |
| 768 | *p_amr_bits++ = (pj_uint8_t) |
| 769 | ((*r >> (7-in_info->start_bit-i)) & 1); |
| 770 | ++r; |
| 771 | } |
| 772 | for(; i < framelenbit_tbl[in_info->frame_type]; i += 8, ++r) { |
| 773 | *p_amr_bits++ = (pj_uint8_t)((*r >> 7) & 1); |
| 774 | *p_amr_bits++ = (pj_uint8_t)((*r >> 6) & 1); |
| 775 | *p_amr_bits++ = (pj_uint8_t)((*r >> 5) & 1); |
| 776 | *p_amr_bits++ = (pj_uint8_t)((*r >> 4) & 1); |
| 777 | *p_amr_bits++ = (pj_uint8_t)((*r >> 3) & 1); |
| 778 | *p_amr_bits++ = (pj_uint8_t)((*r >> 2) & 1); |
| 779 | *p_amr_bits++ = (pj_uint8_t)((*r >> 1) & 1); |
| 780 | *p_amr_bits++ = (pj_uint8_t)((*r ) & 1); |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | if (in_info->frame_type < SID_FT) { |
| 785 | |
| 786 | /* Speech */ |
| 787 | out_info->mode = in_info->frame_type; |
| 788 | out->size = framelen_tbl[out_info->mode]; |
| 789 | |
| 790 | pj_bzero(out->buf, out->size); |
| 791 | |
| 792 | if (setting->reorder) { |
| 793 | const pj_int16_t *order_map; |
| 794 | |
| 795 | order_map = order_maps[out_info->mode]; |
| 796 | for(i = 0; i < framelenbit_tbl[out_info->mode]; ++i) { |
| 797 | if (amr_bits[i]) { |
| 798 | pj_uint16_t bitpos; |
| 799 | bitpos = order_map[i]; |
| 800 | w[bitpos>>3] |= 1 << (7 - (bitpos % 8)); |
| 801 | } |
| 802 | } |
| 803 | } else { |
| 804 | for(i = 0; i < framelenbit_tbl[out_info->mode]; ++i) { |
| 805 | if (amr_bits[i]) |
| 806 | w[i >> 3] |= 1 << (7 - (i % 8)); |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | } else if (in_info->frame_type == SID_FT) { |
| 811 | |
| 812 | /* SID */ |
| 813 | pj_uint8_t w_bitptr = 0; |
| 814 | pj_uint8_t FT_; |
| 815 | |
| 816 | if (setting->amr_nb) |
| 817 | FT_ = (pj_uint8_t)((amr_bits[36] << 2) | (amr_bits[37] << 1) | |
| 818 | amr_bits[38]); |
| 819 | else |
| 820 | FT_ = (pj_uint8_t)((amr_bits[36] << 3) | (amr_bits[37] << 2) | |
| 821 | (amr_bits[38] << 1) | amr_bits[39]); |
| 822 | |
| 823 | out_info->mode = FT_; |
| 824 | out->size = 5; |
| 825 | |
| 826 | pj_bzero(out->buf, out->size); |
| 827 | for(i = 0; i < framelenbit_tbl[SID_FT]; ++i) { |
| 828 | if (amr_bits[i]) |
| 829 | *w |= (1 << (7-w_bitptr)); |
| 830 | |
| 831 | if (++w_bitptr == 8) { |
| 832 | ++w; |
| 833 | w_bitptr = 0; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | } else { |
| 838 | |
| 839 | /* NO DATA */ |
| 840 | out->size = 0; |
| 841 | out_info->mode = -1; |
| 842 | } |
| 843 | |
| 844 | out_info->start_bit = 0; |
| 845 | |
| 846 | return PJ_SUCCESS; |
| 847 | } |
| 848 | |
| 849 | |
| 850 | /** |
| 851 | * Pack encoded AMR frame(s) into an RTP payload. |
| 852 | * |
| 853 | * @param frames AMR frames to be packed. |
| 854 | * @param nframes Number of frames to be packed. |
| 855 | * @param setting Settings, see #pjmedia_codec_amr_pack_setting. |
| 856 | * @param pkt Payload. |
| 857 | * @param pkt_size Payload size, as input this specifies payload maximum size, |
| 858 | * as output this specifies payload packed size. |
| 859 | * |
| 860 | * @return PJ_SUCCESS on success. |
| 861 | */ |
| 862 | PJ_INLINE (pj_status_t) pjmedia_codec_amr_pack( |
| 863 | const pjmedia_frame frames[], |
| 864 | unsigned nframes, |
| 865 | const pjmedia_codec_amr_pack_setting *setting, |
| 866 | void *pkt, |
| 867 | pj_size_t *pkt_size) |
| 868 | { |
| 869 | /* Write cursor */ |
| 870 | pj_uint8_t *w = (pj_uint8_t*)pkt; |
| 871 | pj_uint8_t w_bitptr = 0; |
| 872 | |
| 873 | /* Read cursor */ |
| 874 | pj_uint8_t *r; |
| 875 | |
| 876 | /* env vars for AMR or AMRWB */ |
| 877 | pj_uint8_t SID_FT; |
| 878 | const pj_uint8_t *framelen_tbl; |
| 879 | const pj_uint16_t *framelenbit_tbl; |
| 880 | const pj_uint16_t *bitrate_tbl; |
| 881 | const pj_int16_t* const *order_maps; |
| 882 | |
| 883 | /* frame info */ |
| 884 | pjmedia_codec_amr_bit_info *info; |
| 885 | |
| 886 | unsigned i, max_pkt_size; |
| 887 | |
| 888 | max_pkt_size = *pkt_size; |
| 889 | |
| 890 | if (setting->amr_nb) { |
| 891 | SID_FT = 8; |
| 892 | framelen_tbl = pjmedia_codec_amrnb_framelen; |
| 893 | framelenbit_tbl = pjmedia_codec_amrnb_framelenbits; |
| 894 | bitrate_tbl = pjmedia_codec_amrnb_bitrates; |
| 895 | order_maps = pjmedia_codec_amrnb_ordermaps; |
| 896 | } else { |
| 897 | SID_FT = 9; |
| 898 | framelen_tbl = pjmedia_codec_amrwb_framelen; |
| 899 | framelenbit_tbl = pjmedia_codec_amrwb_framelenbits; |
| 900 | bitrate_tbl = pjmedia_codec_amrwb_bitrates; |
| 901 | order_maps = pjmedia_codec_amrwb_ordermaps; |
| 902 | } |
| 903 | |
| 904 | /* Code Mode Request, 4 bits */ |
| 905 | *w = (pj_uint8_t)(setting->cmr << 4); |
| 906 | w_bitptr = 4; |
| 907 | if (setting->octet_aligned) { |
| 908 | ++w; |
| 909 | w_bitptr = 0; |
| 910 | } |
| 911 | |
| 912 | /* Table Of Contents, 6 bits each */ |
| 913 | for (i = 0; i < nframes; ++i) { |
| 914 | pj_uint8_t TOC, FT, Q; |
| 915 | pj_bool_t F; |
| 916 | |
| 917 | info = (pjmedia_codec_amr_bit_info*)&frames[i].bit_info; |
| 918 | |
| 919 | F = (i != nframes-1); |
| 920 | FT = info->frame_type; |
| 921 | Q = (pj_uint8_t)(info->good_quality == 1); |
| 922 | pj_assert(FT <= SID_FT || FT == 14 || FT == 15); |
| 923 | |
| 924 | /* Check buffer availability */ |
| 925 | *pkt_size = w - (pj_uint8_t*)pkt + 1; |
| 926 | PJ_ASSERT_RETURN(*pkt_size <= max_pkt_size, PJ_ETOOSMALL); |
| 927 | |
| 928 | TOC = (pj_uint8_t)((F<<5) | (FT<<1) | Q); |
| 929 | if (w_bitptr == 0) { |
| 930 | *w = (pj_uint8_t)(TOC<<2); |
| 931 | w_bitptr = 6; |
| 932 | } else if (w_bitptr == 2) { |
| 933 | *w++ |= TOC; |
| 934 | w_bitptr = 0; |
| 935 | } else if (w_bitptr == 4) { |
| 936 | *w++ |= TOC>>2; |
| 937 | *w = (pj_uint8_t)(TOC<<6); |
| 938 | w_bitptr = 2; |
| 939 | } else if (w_bitptr == 6) { |
| 940 | *w++ |= TOC>>4; |
| 941 | *w = (pj_uint8_t)(TOC<<4); |
| 942 | w_bitptr = 4; |
| 943 | } |
| 944 | if (setting->octet_aligned) { |
| 945 | ++w; |
| 946 | w_bitptr = 0; |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | /* Encoded data */ |
| 951 | for (i = 0; i < nframes; ++i) { |
| 952 | pj_int8_t amr_bits[477 + 7] = {0}; |
| 953 | pj_int8_t *p_amr_bits = &amr_bits[0]; |
| 954 | unsigned j; |
| 955 | |
| 956 | info = (pjmedia_codec_amr_bit_info*)&frames[i].bit_info; |
| 957 | |
| 958 | /* Check buffer availability */ |
| 959 | *pkt_size = w - (pj_uint8_t*)pkt; |
| 960 | if (info->frame_type <= SID_FT) |
| 961 | *pkt_size += framelen_tbl[info->frame_type] + 1; |
| 962 | PJ_ASSERT_RETURN(*pkt_size <= max_pkt_size, PJ_ETOOSMALL); |
| 963 | |
| 964 | /* Skip if there is no data */ |
| 965 | if (info->frame_type > SID_FT) |
| 966 | continue; |
| 967 | |
| 968 | /* Unpack bits */ |
| 969 | r = (pj_uint8_t*) frames[i].buf; |
| 970 | j = 0; |
| 971 | if (info->start_bit) { |
| 972 | for (; j < (unsigned)(8-info->start_bit); ++j) |
| 973 | *p_amr_bits++ = (pj_uint8_t) |
| 974 | ((*r >> (7-info->start_bit-j)) & 1); |
| 975 | ++r; |
| 976 | } |
| 977 | for(; j < framelenbit_tbl[info->frame_type]; j+=8, ++r) { |
| 978 | *p_amr_bits++ = (pj_uint8_t)((*r >> 7) & 1); |
| 979 | *p_amr_bits++ = (pj_uint8_t)((*r >> 6) & 1); |
| 980 | *p_amr_bits++ = (pj_uint8_t)((*r >> 5) & 1); |
| 981 | *p_amr_bits++ = (pj_uint8_t)((*r >> 4) & 1); |
| 982 | *p_amr_bits++ = (pj_uint8_t)((*r >> 3) & 1); |
| 983 | *p_amr_bits++ = (pj_uint8_t)((*r >> 2) & 1); |
| 984 | *p_amr_bits++ = (pj_uint8_t)((*r >> 1) & 1); |
| 985 | *p_amr_bits++ = (pj_uint8_t)((*r ) & 1); |
| 986 | } |
| 987 | |
| 988 | if (info->frame_type < SID_FT) { |
| 989 | |
| 990 | /* Speech */ |
| 991 | if (w_bitptr == 0) *w = 0; |
| 992 | |
| 993 | if (setting->reorder) { |
| 994 | const pj_int16_t *order_map; |
| 995 | |
| 996 | /* Put bits in the packet, sensitivity descending ordered */ |
| 997 | order_map = order_maps[info->frame_type]; |
| 998 | for(j = 0; j < framelenbit_tbl[info->frame_type]; ++j) { |
| 999 | if (amr_bits[order_map[j]]) |
| 1000 | *w |= (1 << (7-w_bitptr)); |
| 1001 | |
| 1002 | if (++w_bitptr == 8) { |
| 1003 | w_bitptr = 0; |
| 1004 | ++w; |
| 1005 | *w = 0; |
| 1006 | } |
| 1007 | } |
| 1008 | } else { |
| 1009 | for(j = 0; j < framelenbit_tbl[info->frame_type]; ++j) { |
| 1010 | if (amr_bits[j]) |
| 1011 | *w |= (1 << (7-w_bitptr)); |
| 1012 | |
| 1013 | if (++w_bitptr == 8) { |
| 1014 | w_bitptr = 0; |
| 1015 | ++w; |
| 1016 | *w = 0; |
| 1017 | } |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | } else if (info->frame_type == SID_FT) { |
| 1022 | |
| 1023 | /* SID */ |
| 1024 | amr_bits[35] |= info->STI; |
| 1025 | |
| 1026 | if (setting->amr_nb) { |
| 1027 | amr_bits[36] = (pj_uint8_t)((info->mode >> 2) & 1); |
| 1028 | amr_bits[37] = (pj_uint8_t)((info->mode >> 1) & 1); |
| 1029 | amr_bits[38] = (pj_uint8_t)((info->mode) & 1); |
| 1030 | } else { |
| 1031 | amr_bits[36] = (pj_uint8_t)((info->mode >> 3) & 1); |
| 1032 | amr_bits[37] = (pj_uint8_t)((info->mode >> 2) & 1); |
| 1033 | amr_bits[38] = (pj_uint8_t)((info->mode >> 1) & 1); |
| 1034 | amr_bits[39] = (pj_uint8_t)((info->mode) & 1); |
| 1035 | } |
| 1036 | |
| 1037 | if (w_bitptr == 0) *w = 0; |
| 1038 | for(j = 0; j < framelenbit_tbl[info->frame_type]; ++j) { |
| 1039 | if (amr_bits[j]) |
| 1040 | *w |= (1 << (7-w_bitptr)); |
| 1041 | |
| 1042 | if (++w_bitptr == 8) { |
| 1043 | w_bitptr = 0; |
| 1044 | ++w; |
| 1045 | *w = 0; |
| 1046 | } |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | if (setting->octet_aligned) { |
| 1051 | ++w; |
| 1052 | w_bitptr = 0; |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | *pkt_size = w - (pj_uint8_t*)pkt; |
| 1057 | if (w_bitptr) |
| 1058 | *pkt_size += 1; |
| 1059 | |
| 1060 | return PJ_SUCCESS; |
| 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | /** |
| 1065 | * Parse AMR payload into frames. |
| 1066 | * |
| 1067 | * @param pkt Payload. |
| 1068 | * @param pkt_size Payload size. |
| 1069 | * @param ts Base timestamp. |
| 1070 | * @param setting Settings, see #pjmedia_codec_amr_pack_setting. |
| 1071 | * @param frames Frames parsed. |
| 1072 | * @param nframes Number of frames parsed. |
| 1073 | * @param cmr Change Mode Request message for local encoder. |
| 1074 | * |
| 1075 | * @return PJ_SUCCESS on success. |
| 1076 | */ |
| 1077 | PJ_INLINE(pj_status_t) pjmedia_codec_amr_parse( |
| 1078 | void *pkt, |
| 1079 | pj_size_t pkt_size, |
| 1080 | const pj_timestamp *ts, |
| 1081 | const pjmedia_codec_amr_pack_setting* setting, |
| 1082 | pjmedia_frame frames[], |
| 1083 | unsigned *nframes, |
| 1084 | pj_uint8_t *cmr) |
| 1085 | { |
| 1086 | unsigned cnt = 0; |
| 1087 | pj_timestamp ts_ = *ts; |
| 1088 | |
| 1089 | /* Read cursor */ |
| 1090 | pj_uint8_t r_bitptr = 0; |
| 1091 | pj_uint8_t *r = (pj_uint8_t*)pkt; |
| 1092 | |
| 1093 | /* env vars for AMR or AMRWB */ |
| 1094 | pj_uint8_t SID_FT; |
| 1095 | const pj_uint8_t *framelen_tbl; |
| 1096 | const pj_uint16_t *framelenbit_tbl; |
| 1097 | const pj_int16_t* const *order_maps; |
| 1098 | |
| 1099 | /* frame info */ |
| 1100 | pjmedia_codec_amr_bit_info *info; |
| 1101 | |
| 1102 | if (setting->amr_nb) { |
| 1103 | SID_FT = 8; |
| 1104 | framelen_tbl = pjmedia_codec_amrnb_framelen; |
| 1105 | framelenbit_tbl = pjmedia_codec_amrnb_framelenbits; |
| 1106 | order_maps = pjmedia_codec_amrnb_ordermaps; |
| 1107 | } else { |
| 1108 | SID_FT = 9; |
| 1109 | framelen_tbl = pjmedia_codec_amrwb_framelen; |
| 1110 | framelenbit_tbl = pjmedia_codec_amrwb_framelenbits; |
| 1111 | order_maps = pjmedia_codec_amrwb_ordermaps; |
| 1112 | } |
| 1113 | |
| 1114 | PJ_UNUSED_ARG(pkt_size); |
| 1115 | |
| 1116 | /* Code Mode Request, 4 bits */ |
| 1117 | *cmr = (pj_uint8_t)((*r >> 4) & 0x0F); |
| 1118 | r_bitptr = 4; |
| 1119 | if (setting->octet_aligned) { |
| 1120 | ++r; |
| 1121 | r_bitptr = 0; |
| 1122 | } |
| 1123 | |
| 1124 | /* Table Of Contents, 6 bits each */ |
| 1125 | for (;;) { |
| 1126 | pj_uint8_t TOC = 0; |
| 1127 | pj_uint8_t F, FT, Q; |
| 1128 | |
| 1129 | if (r_bitptr == 0) { |
| 1130 | TOC = (pj_uint8_t)(*r >> 2); |
| 1131 | r_bitptr = 6; |
| 1132 | } else if (r_bitptr == 2) { |
| 1133 | TOC = (pj_uint8_t)(*r++ & 0x3F); |
| 1134 | r_bitptr = 0; |
| 1135 | } else if (r_bitptr == 4) { |
| 1136 | TOC = (pj_uint8_t)((*r++ & 0x0f) << 2); |
| 1137 | TOC |= *r >> 6; |
| 1138 | r_bitptr = 2; |
| 1139 | } else if (r_bitptr == 6) { |
| 1140 | TOC = (pj_uint8_t)((*r++ & 0x03) << 4); |
| 1141 | TOC |= *r >> 4; |
| 1142 | r_bitptr = 4; |
| 1143 | } |
| 1144 | |
| 1145 | F = (pj_uint8_t)(TOC >> 5); |
| 1146 | FT = (pj_uint8_t)((TOC >> 1) & 0x0F); |
| 1147 | Q = (pj_uint8_t)(TOC & 1); |
| 1148 | |
| 1149 | if (FT > SID_FT && FT < 14) { |
| 1150 | pj_assert(!"Invalid AMR frametype, stream may be corrupted!"); |
| 1151 | break; |
| 1152 | } |
| 1153 | |
| 1154 | if (setting->octet_aligned) { |
| 1155 | ++r; |
| 1156 | r_bitptr = 0; |
| 1157 | } |
| 1158 | |
| 1159 | /* Set frame attributes */ |
| 1160 | info = (pjmedia_codec_amr_bit_info*) &frames[cnt].bit_info; |
| 1161 | info->frame_type = FT; |
| 1162 | info->mode = (pj_int8_t)((FT < SID_FT)? FT : -1); |
| 1163 | info->good_quality = (pj_uint8_t)(Q == 1); |
| 1164 | info->start_bit = 0; |
| 1165 | info->STI = 0; |
| 1166 | frames[cnt].timestamp = ts_; |
| 1167 | frames[cnt].type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 1168 | |
| 1169 | /* AMR frame length is 20ms */ |
| 1170 | ts_.u64 += setting->amr_nb? 160 : 320; |
| 1171 | |
| 1172 | if (++cnt == *nframes || !F) |
| 1173 | break; |
| 1174 | } |
| 1175 | *nframes = cnt; |
| 1176 | |
| 1177 | cnt = 0; |
| 1178 | |
| 1179 | /* Speech frames */ |
| 1180 | while (cnt < *nframes) { |
| 1181 | pj_uint8_t FT; |
| 1182 | |
| 1183 | info = (pjmedia_codec_amr_bit_info*) &frames[cnt].bit_info; |
| 1184 | FT = info->frame_type; |
| 1185 | |
| 1186 | frames[cnt].buf = r; |
| 1187 | info->start_bit = r_bitptr; |
| 1188 | |
| 1189 | if (FT == SID_FT) { |
| 1190 | unsigned sti_bitptr; |
| 1191 | sti_bitptr = r_bitptr + 35; |
| 1192 | info->STI = (pj_uint8_t) |
| 1193 | (r[sti_bitptr >> 3] >> (7 - (sti_bitptr % 8))) & 1; |
| 1194 | } |
| 1195 | |
| 1196 | if (setting->octet_aligned) { |
| 1197 | r += framelen_tbl[FT]; |
| 1198 | frames[cnt].size = framelen_tbl[FT]; |
| 1199 | } else { |
| 1200 | if (FT == 14 || FT == 15) { |
| 1201 | /* NO DATA */ |
| 1202 | frames[cnt].size = 0; |
| 1203 | } else { |
| 1204 | unsigned adv_bit; |
| 1205 | |
| 1206 | adv_bit = framelenbit_tbl[FT] + r_bitptr; |
| 1207 | r += adv_bit >> 3; |
| 1208 | r_bitptr = (pj_uint8_t)(adv_bit % 8); |
| 1209 | |
| 1210 | frames[cnt].size = adv_bit >> 3; |
| 1211 | if (r_bitptr) |
| 1212 | ++frames[cnt].size; |
| 1213 | } |
| 1214 | } |
| 1215 | ++cnt; |
| 1216 | } |
| 1217 | |
| 1218 | return PJ_SUCCESS; |
| 1219 | } |
| 1220 | |
| 1221 | |
| 1222 | PJ_END_DECL |
| 1223 | |
| 1224 | /** |
| 1225 | * @} |
| 1226 | */ |
| 1227 | |
| 1228 | #endif /* __PJMEDIA_CODECS_AMR_HELPER_H__ */ |