Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2009 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 | #include <pjmedia-audiodev/audiodev_imp.h> |
| 21 | #include <pj/errno.h> |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 22 | #include <pj/log.h> |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 23 | #include <pj/pool.h> |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 24 | #include <pj/string.h> |
| 25 | |
| 26 | #define THIS_FILE "audiodev.c" |
| 27 | |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame^] | 28 | #define DEFINE_CAP(name, info) {name, info} |
| 29 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 30 | /* Capability names */ |
| 31 | static struct cap_info |
| 32 | { |
| 33 | const char *name; |
| 34 | const char *info; |
| 35 | } cap_infos[] = |
| 36 | { |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame^] | 37 | DEFINE_CAP("ext-fmt", "Extended/non-PCM format"), |
| 38 | DEFINE_CAP("latency-in", "Input latency/buffer size setting"), |
| 39 | DEFINE_CAP("latency-out", "Output latency/buffer size setting"), |
| 40 | DEFINE_CAP("vol-in", "Input volume setting"), |
| 41 | DEFINE_CAP("vol-out", "Output volume setting"), |
| 42 | DEFINE_CAP("meter-in", "Input meter"), |
| 43 | DEFINE_CAP("meter-out", "Output meter"), |
| 44 | DEFINE_CAP("route-in", "Input routing"), |
| 45 | DEFINE_CAP("route-out", "Output routing"), |
| 46 | DEFINE_CAP("aec", "Accoustic echo cancellation"), |
| 47 | DEFINE_CAP("aec-tail", "Tail length setting for AEC"), |
| 48 | DEFINE_CAP("vad", "Voice activity detection"), |
| 49 | DEFINE_CAP("cng", "Comfort noise generation"), |
| 50 | DEFINE_CAP("plg", "Packet loss concealment") |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 51 | }; |
| 52 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 53 | |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 54 | /* |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 55 | * The device index seen by application and driver is different. |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 56 | * |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 57 | * At application level, device index is index to global list of device. |
| 58 | * At driver level, device index is index to device list on that particular |
| 59 | * factory only. |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 60 | */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 61 | #define MAKE_DEV_ID(f_id, index) (((f_id & 0xFFFF) << 16) | (index & 0xFFFF)) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 62 | #define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) |
| 63 | #define GET_FID(dev_id) ((dev_id) >> 16) |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 64 | #define DEFAULT_DEV_ID 0 |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 65 | |
| 66 | |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 67 | /* extern functions to create factories */ |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 68 | #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 69 | pjmedia_aud_dev_factory* pjmedia_pa_factory(pj_pool_factory *pf); |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 70 | #endif |
| 71 | |
| 72 | #if PJMEDIA_AUDIO_DEV_HAS_WMME |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 73 | pjmedia_aud_dev_factory* pjmedia_wmme_factory(pj_pool_factory *pf); |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 74 | #endif |
| 75 | |
Nanang Izzuddin | a940b36 | 2009-02-23 13:53:30 +0000 | [diff] [blame] | 76 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS |
| 77 | pjmedia_aud_dev_factory* pjmedia_aps_factory(pj_pool_factory *pf); |
| 78 | #endif |
| 79 | |
| 80 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA |
| 81 | pjmedia_aud_dev_factory* pjmedia_symb_mda_factory(pj_pool_factory *pf); |
| 82 | #endif |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 83 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 84 | #define MAX_DRIVERS 16 |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 85 | #define MAX_DEVS 64 |
| 86 | |
| 87 | /* typedef for factory creation function */ |
| 88 | typedef pjmedia_aud_dev_factory* (*create_func_ptr)(pj_pool_factory*); |
| 89 | |
| 90 | /* driver structure */ |
| 91 | struct driver |
| 92 | { |
| 93 | create_func_ptr create; /* Creation function. */ |
| 94 | pjmedia_aud_dev_factory *f; /* Factory instance. */ |
| 95 | char name[32]; /* Driver name */ |
| 96 | unsigned dev_cnt; /* Number of devices */ |
| 97 | unsigned start_idx; /* Start index in global list */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 98 | int rec_dev_idx;/* Default capture device. */ |
| 99 | int play_dev_idx;/* Default playback device */ |
| 100 | int dev_idx; /* Default device. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 101 | }; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 102 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 103 | /* The audio subsystem */ |
| 104 | static struct aud_subsys |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 105 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 106 | unsigned init_count; /* How many times init() is called */ |
| 107 | pj_pool_factory *pf; /* The pool factory. */ |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 108 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 109 | unsigned drv_cnt; /* Number of drivers. */ |
| 110 | struct driver drv[MAX_DRIVERS]; /* Array of drivers. */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 111 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 112 | unsigned dev_cnt; /* Total number of devices. */ |
| 113 | pj_uint32_t dev_list[MAX_DEVS];/* Array of device IDs. */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 114 | |
| 115 | } aud_subsys; |
| 116 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 117 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 118 | /* Internal: init driver */ |
| 119 | static pj_status_t init_driver(unsigned drv_idx) |
| 120 | { |
| 121 | struct driver *drv = &aud_subsys.drv[drv_idx]; |
| 122 | pjmedia_aud_dev_factory *f; |
| 123 | unsigned i, dev_cnt; |
| 124 | pj_status_t status; |
| 125 | |
| 126 | /* Create the factory */ |
| 127 | f = (*drv->create)(aud_subsys.pf); |
| 128 | if (!f) |
| 129 | return PJ_EUNKNOWN; |
| 130 | |
| 131 | /* Call factory->init() */ |
| 132 | status = f->op->init(f); |
| 133 | if (status != PJ_SUCCESS) { |
| 134 | f->op->destroy(f); |
| 135 | return status; |
| 136 | } |
| 137 | |
| 138 | /* Get number of devices */ |
| 139 | dev_cnt = f->op->get_dev_count(f); |
| 140 | if (dev_cnt + aud_subsys.dev_cnt > MAX_DEVS) { |
| 141 | PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" |
| 142 | " there are too many devices", |
| 143 | aud_subsys.dev_cnt + dev_cnt - MAX_DEVS)); |
| 144 | dev_cnt = MAX_DEVS - aud_subsys.dev_cnt; |
| 145 | } |
| 146 | if (dev_cnt == 0) { |
| 147 | f->op->destroy(f); |
| 148 | return PJMEDIA_EAUD_NODEV; |
| 149 | } |
| 150 | |
| 151 | /* Fill in default devices */ |
| 152 | drv->play_dev_idx = drv->rec_dev_idx = drv->dev_idx = -1; |
| 153 | for (i=0; i<dev_cnt; ++i) { |
| 154 | pjmedia_aud_dev_info info; |
| 155 | |
| 156 | status = f->op->get_dev_info(f, i, &info); |
| 157 | if (status != PJ_SUCCESS) { |
| 158 | f->op->destroy(f); |
| 159 | return status; |
| 160 | } |
| 161 | |
| 162 | if (drv->name[0]=='\0') { |
| 163 | /* Set driver name */ |
| 164 | pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); |
| 165 | drv->name[sizeof(drv->name)-1] = '\0'; |
| 166 | } |
| 167 | |
| 168 | if (drv->play_dev_idx < 0 && info.output_count) { |
| 169 | /* Set default playback device */ |
| 170 | drv->play_dev_idx = i; |
| 171 | } |
| 172 | if (drv->rec_dev_idx < 0 && info.input_count) { |
| 173 | /* Set default capture device */ |
| 174 | drv->rec_dev_idx = i; |
| 175 | } |
| 176 | if (drv->dev_idx < 0 && info.input_count && |
| 177 | info.output_count) |
| 178 | { |
| 179 | /* Set default capture and playback device */ |
| 180 | drv->dev_idx = i; |
| 181 | } |
| 182 | |
| 183 | if (drv->play_dev_idx >= 0 && drv->rec_dev_idx >= 0 && |
| 184 | drv->dev_idx >= 0) |
| 185 | { |
| 186 | /* Done. */ |
| 187 | break; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /* Register the factory */ |
| 192 | drv->f = f; |
| 193 | drv->f->sys.drv_idx = drv_idx; |
| 194 | drv->start_idx = aud_subsys.dev_cnt; |
| 195 | drv->dev_cnt = dev_cnt; |
| 196 | |
| 197 | /* Register devices to global list */ |
| 198 | for (i=0; i<dev_cnt; ++i) { |
| 199 | aud_subsys.dev_list[aud_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); |
| 200 | } |
| 201 | |
| 202 | return PJ_SUCCESS; |
| 203 | } |
| 204 | |
| 205 | /* Internal: deinit driver */ |
| 206 | static void deinit_driver(unsigned drv_idx) |
| 207 | { |
| 208 | struct driver *drv = &aud_subsys.drv[drv_idx]; |
| 209 | |
| 210 | if (drv->f) { |
| 211 | drv->f->op->destroy(drv->f); |
| 212 | drv->f = NULL; |
| 213 | } |
| 214 | |
| 215 | drv->dev_cnt = 0; |
| 216 | drv->play_dev_idx = drv->rec_dev_idx = drv->dev_idx = -1; |
| 217 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 218 | |
| 219 | /* API: Initialize the audio subsystem. */ |
| 220 | PJ_DEF(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf) |
| 221 | { |
| 222 | unsigned i; |
| 223 | pj_status_t status = PJ_ENOMEM; |
| 224 | |
Benny Prijono | 555139d | 2009-02-19 12:08:19 +0000 | [diff] [blame] | 225 | /* Allow init() to be called multiple times as long as there is matching |
| 226 | * number of shutdown(). |
| 227 | */ |
| 228 | if (aud_subsys.init_count++ != 0) { |
| 229 | return PJ_SUCCESS; |
| 230 | } |
| 231 | |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame^] | 232 | /* Register error subsystem */ |
| 233 | pj_register_strerror(PJMEDIA_AUDIODEV_ERRNO_START, |
| 234 | PJ_ERRNO_SPACE_SIZE, |
| 235 | &pjmedia_audiodev_strerror); |
| 236 | |
| 237 | /* Init */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 238 | aud_subsys.pf = pf; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 239 | aud_subsys.drv_cnt = 0; |
| 240 | aud_subsys.dev_cnt = 0; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 241 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 242 | /* Register creation functions */ |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 243 | #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 244 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_pa_factory; |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 245 | #endif |
| 246 | #if PJMEDIA_AUDIO_DEV_HAS_WMME |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 247 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_wmme_factory; |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 248 | #endif |
Nanang Izzuddin | a940b36 | 2009-02-23 13:53:30 +0000 | [diff] [blame] | 249 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS |
| 250 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_aps_factory; |
| 251 | #endif |
| 252 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA |
| 253 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_symb_mda_factory; |
| 254 | #endif |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 255 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 256 | /* Initialize each factory and build the device ID list */ |
| 257 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 258 | status = init_driver(i); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 259 | if (status != PJ_SUCCESS) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 260 | deinit_driver(i); |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 261 | continue; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 262 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 265 | return aud_subsys.dev_cnt ? PJ_SUCCESS : status; |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | /* API: get the pool factory registered to the audio subsystem. */ |
| 269 | PJ_DEF(pj_pool_factory*) pjmedia_aud_subsys_get_pool_factory(void) |
| 270 | { |
| 271 | return aud_subsys.pf; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | /* API: Shutdown the audio subsystem. */ |
| 275 | PJ_DEF(pj_status_t) pjmedia_aud_subsys_shutdown(void) |
| 276 | { |
| 277 | unsigned i; |
| 278 | |
Benny Prijono | 555139d | 2009-02-19 12:08:19 +0000 | [diff] [blame] | 279 | /* Allow shutdown() to be called multiple times as long as there is matching |
| 280 | * number of init(). |
| 281 | */ |
| 282 | if (aud_subsys.init_count == 0) { |
| 283 | return PJ_SUCCESS; |
| 284 | } |
| 285 | --aud_subsys.init_count; |
| 286 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 287 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 288 | deinit_driver(i); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 289 | } |
| 290 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 291 | aud_subsys.pf = NULL; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 292 | return PJ_SUCCESS; |
| 293 | } |
| 294 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 295 | /* API: get capability name/info */ |
| 296 | PJ_DEF(const char*) pjmedia_aud_dev_cap_name(pjmedia_aud_dev_cap cap, |
| 297 | const char **p_desc) |
| 298 | { |
Benny Prijono | 689f8a8 | 2009-02-24 08:23:36 +0000 | [diff] [blame] | 299 | const char *desc; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 300 | unsigned i; |
| 301 | |
| 302 | if (p_desc==NULL) p_desc = &desc; |
| 303 | |
| 304 | for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { |
| 305 | if ((1 << i)==cap) |
| 306 | break; |
| 307 | } |
| 308 | |
| 309 | if (i==32) { |
| 310 | *p_desc = "??"; |
| 311 | return "??"; |
| 312 | } |
| 313 | |
| 314 | *p_desc = cap_infos[i].info; |
| 315 | return cap_infos[i].name; |
| 316 | } |
| 317 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 318 | /* API: Get the number of sound devices installed in the system. */ |
| 319 | PJ_DEF(unsigned) pjmedia_aud_dev_count(void) |
| 320 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 321 | return aud_subsys.dev_cnt; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 322 | } |
| 323 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 324 | /* Internal: convert local index to global device index */ |
| 325 | static pj_status_t make_global_index(unsigned drv_idx, |
| 326 | pjmedia_aud_dev_index *id) |
| 327 | { |
| 328 | if (*id < 0) { |
| 329 | return PJ_SUCCESS; |
| 330 | } |
| 331 | |
| 332 | /* Check that factory still exists */ |
| 333 | PJ_ASSERT_RETURN(aud_subsys.drv[drv_idx].f, PJ_EBUG); |
| 334 | |
| 335 | /* Check that device index is valid */ |
| 336 | PJ_ASSERT_RETURN(*id>=0 && *id<(int)aud_subsys.drv[drv_idx].dev_cnt, |
| 337 | PJ_EBUG); |
| 338 | |
| 339 | *id += aud_subsys.drv[drv_idx].start_idx; |
| 340 | return PJ_SUCCESS; |
| 341 | } |
| 342 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 343 | /* Internal: lookup device id */ |
| 344 | static pj_status_t lookup_dev(pjmedia_aud_dev_index id, |
| 345 | pjmedia_aud_dev_factory **p_f, |
| 346 | unsigned *p_local_index) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 347 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 348 | int f_id, index; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 349 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 350 | if (id < 0) { |
| 351 | unsigned i; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 352 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 353 | if (id == PJMEDIA_AUD_INVALID_DEV) |
| 354 | return PJMEDIA_EAUD_INVDEV; |
| 355 | |
| 356 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
| 357 | struct driver *drv = &aud_subsys.drv[i]; |
| 358 | if (drv->dev_idx >= 0) { |
| 359 | id = drv->dev_idx; |
| 360 | make_global_index(i, &id); |
| 361 | break; |
| 362 | } else if (id==PJMEDIA_AUD_DEFAULT_CAPTURE_DEV && |
| 363 | drv->rec_dev_idx >= 0) |
| 364 | { |
| 365 | id = drv->rec_dev_idx; |
| 366 | make_global_index(i, &id); |
| 367 | break; |
| 368 | } else if (id==PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV && |
| 369 | drv->play_dev_idx >= 0) |
| 370 | { |
| 371 | id = drv->play_dev_idx; |
| 372 | make_global_index(i, &id); |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | if (id < 0) { |
| 378 | return PJMEDIA_EAUD_NODEFDEV; |
| 379 | } |
| 380 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 381 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 382 | f_id = GET_FID(aud_subsys.dev_list[id]); |
| 383 | index = GET_INDEX(aud_subsys.dev_list[id]); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 384 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 385 | if (f_id < 0 || f_id >= (int)aud_subsys.drv_cnt) |
| 386 | return PJMEDIA_EAUD_INVDEV; |
| 387 | |
| 388 | if (index < 0 || index >= (int)aud_subsys.drv[f_id].dev_cnt) |
| 389 | return PJMEDIA_EAUD_INVDEV; |
| 390 | |
| 391 | *p_f = aud_subsys.drv[f_id].f; |
| 392 | *p_local_index = (unsigned)index; |
| 393 | |
| 394 | return PJ_SUCCESS; |
| 395 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 396 | } |
| 397 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 398 | /* API: Get device information. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 399 | PJ_DEF(pj_status_t) pjmedia_aud_dev_get_info(pjmedia_aud_dev_index id, |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 400 | pjmedia_aud_dev_info *info) |
| 401 | { |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 402 | pjmedia_aud_dev_factory *f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 403 | unsigned index; |
| 404 | pj_status_t status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 405 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 406 | PJ_ASSERT_RETURN(info && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); |
| 407 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 408 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 409 | status = lookup_dev(id, &f, &index); |
| 410 | if (status != PJ_SUCCESS) |
| 411 | return status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 412 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 413 | return f->op->get_dev_info(f, index, info); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 414 | } |
| 415 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 416 | /* API: find device */ |
| 417 | PJ_DEF(pj_status_t) pjmedia_aud_dev_lookup( const char *drv_name, |
| 418 | const char *dev_name, |
| 419 | pjmedia_aud_dev_index *id) |
| 420 | { |
| 421 | pjmedia_aud_dev_factory *f = NULL; |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 422 | unsigned drv_idx, dev_idx; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 423 | |
| 424 | PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 425 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 426 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 427 | for (drv_idx=0; drv_idx<aud_subsys.drv_cnt; ++drv_idx) { |
| 428 | if (!pj_ansi_stricmp(drv_name, aud_subsys.drv[drv_idx].name)) { |
| 429 | f = aud_subsys.drv[drv_idx].f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 430 | break; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | if (!f) |
| 435 | return PJ_ENOTFOUND; |
| 436 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 437 | for (dev_idx=0; dev_idx<aud_subsys.drv[drv_idx].dev_cnt; ++dev_idx) { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 438 | pjmedia_aud_dev_info info; |
| 439 | pj_status_t status; |
| 440 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 441 | status = f->op->get_dev_info(f, dev_idx, &info); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 442 | if (status != PJ_SUCCESS) |
| 443 | return status; |
| 444 | |
| 445 | if (!pj_ansi_stricmp(dev_name, info.name)) |
| 446 | break; |
| 447 | } |
| 448 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 449 | if (dev_idx==aud_subsys.drv[drv_idx].dev_cnt) |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 450 | return PJ_ENOTFOUND; |
| 451 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 452 | *id = dev_idx; |
| 453 | make_global_index(drv_idx, id); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 454 | |
| 455 | return PJ_SUCCESS; |
| 456 | } |
| 457 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 458 | /* API: Initialize the audio device parameters with default values for the |
| 459 | * specified device. |
| 460 | */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 461 | PJ_DEF(pj_status_t) pjmedia_aud_dev_default_param(pjmedia_aud_dev_index id, |
| 462 | pjmedia_aud_param *param) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 463 | { |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 464 | pjmedia_aud_dev_factory *f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 465 | unsigned index; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 466 | pj_status_t status; |
| 467 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 468 | PJ_ASSERT_RETURN(param && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); |
| 469 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 470 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 471 | status = lookup_dev(id, &f, &index); |
| 472 | if (status != PJ_SUCCESS) |
| 473 | return status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 474 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 475 | status = f->op->default_param(f, index, param); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 476 | if (status != PJ_SUCCESS) |
| 477 | return status; |
| 478 | |
| 479 | /* Normalize device IDs */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 480 | make_global_index(f->sys.drv_idx, ¶m->rec_id); |
| 481 | make_global_index(f->sys.drv_idx, ¶m->play_id); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 482 | |
| 483 | return PJ_SUCCESS; |
| 484 | } |
| 485 | |
| 486 | /* API: Open audio stream object using the specified parameters. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 487 | PJ_DEF(pj_status_t) pjmedia_aud_stream_create(const pjmedia_aud_param *prm, |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 488 | pjmedia_aud_rec_cb rec_cb, |
| 489 | pjmedia_aud_play_cb play_cb, |
| 490 | void *user_data, |
| 491 | pjmedia_aud_stream **p_aud_strm) |
| 492 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 493 | pjmedia_aud_dev_factory *rec_f=NULL, *play_f=NULL, *f=NULL; |
| 494 | pjmedia_aud_param param; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 495 | pj_status_t status; |
| 496 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 497 | PJ_ASSERT_RETURN(prm && prm->dir && p_aud_strm, PJ_EINVAL); |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 498 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 499 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 500 | /* Must make copy of param because we're changing device ID */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 501 | pj_memcpy(¶m, prm, sizeof(param)); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 502 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 503 | /* Normalize rec_id */ |
| 504 | if (param.dir & PJMEDIA_DIR_CAPTURE) { |
| 505 | unsigned index; |
| 506 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 507 | if (param.rec_id < 0) |
| 508 | param.rec_id = PJMEDIA_AUD_DEFAULT_CAPTURE_DEV; |
| 509 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 510 | status = lookup_dev(param.rec_id, &rec_f, &index); |
| 511 | if (status != PJ_SUCCESS) |
| 512 | return status; |
| 513 | |
| 514 | param.rec_id = index; |
| 515 | f = rec_f; |
| 516 | } |
| 517 | |
| 518 | /* Normalize play_id */ |
| 519 | if (param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 520 | unsigned index; |
| 521 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 522 | if (param.play_id < 0) |
| 523 | param.play_id = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; |
| 524 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 525 | status = lookup_dev(param.play_id, &play_f, &index); |
| 526 | if (status != PJ_SUCCESS) |
| 527 | return status; |
| 528 | |
| 529 | param.play_id = index; |
| 530 | f = play_f; |
| 531 | |
| 532 | /* For now, rec_id and play_id must belong to the same factory */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 533 | PJ_ASSERT_RETURN(rec_f == play_f, PJMEDIA_EAUD_INVDEV); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 534 | } |
| 535 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 536 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 537 | /* Create the stream */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 538 | status = f->op->create_stream(f, ¶m, rec_cb, play_cb, |
| 539 | user_data, p_aud_strm); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 540 | if (status != PJ_SUCCESS) |
| 541 | return status; |
| 542 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 543 | /* Assign factory id to the stream */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 544 | (*p_aud_strm)->sys.drv_idx = f->sys.drv_idx; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 545 | return PJ_SUCCESS; |
| 546 | } |
| 547 | |
| 548 | /* API: Get the running parameters for the specified audio stream. */ |
| 549 | PJ_DEF(pj_status_t) pjmedia_aud_stream_get_param(pjmedia_aud_stream *strm, |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 550 | pjmedia_aud_param *param) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 551 | { |
| 552 | pj_status_t status; |
| 553 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 554 | PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); |
| 555 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
| 556 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 557 | status = strm->op->get_param(strm, param); |
| 558 | if (status != PJ_SUCCESS) |
| 559 | return status; |
| 560 | |
| 561 | /* Normalize device id's */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 562 | make_global_index(strm->sys.drv_idx, ¶m->rec_id); |
| 563 | make_global_index(strm->sys.drv_idx, ¶m->play_id); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 564 | |
| 565 | return PJ_SUCCESS; |
| 566 | } |
| 567 | |
| 568 | /* API: Get the value of a specific capability of the audio stream. */ |
| 569 | PJ_DEF(pj_status_t) pjmedia_aud_stream_get_cap(pjmedia_aud_stream *strm, |
| 570 | pjmedia_aud_dev_cap cap, |
| 571 | void *value) |
| 572 | { |
| 573 | return strm->op->get_cap(strm, cap, value); |
| 574 | } |
| 575 | |
| 576 | /* API: Set the value of a specific capability of the audio stream. */ |
| 577 | PJ_DEF(pj_status_t) pjmedia_aud_stream_set_cap(pjmedia_aud_stream *strm, |
| 578 | pjmedia_aud_dev_cap cap, |
| 579 | const void *value) |
| 580 | { |
| 581 | return strm->op->set_cap(strm, cap, value); |
| 582 | } |
| 583 | |
| 584 | /* API: Start the stream. */ |
| 585 | PJ_DEF(pj_status_t) pjmedia_aud_stream_start(pjmedia_aud_stream *strm) |
| 586 | { |
| 587 | return strm->op->start(strm); |
| 588 | } |
| 589 | |
| 590 | /* API: Stop the stream. */ |
| 591 | PJ_DEF(pj_status_t) pjmedia_aud_stream_stop(pjmedia_aud_stream *strm) |
| 592 | { |
| 593 | return strm->op->stop(strm); |
| 594 | } |
| 595 | |
| 596 | /* API: Destroy the stream. */ |
| 597 | PJ_DEF(pj_status_t) pjmedia_aud_stream_destroy(pjmedia_aud_stream *strm) |
| 598 | { |
| 599 | return strm->op->destroy(strm); |
| 600 | } |
| 601 | |
| 602 | |