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> |
Benny Prijono | 64f9138 | 2009-03-05 18:02:28 +0000 | [diff] [blame] | 21 | #include <pj/assert.h> |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 22 | #include <pj/errno.h> |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 23 | #include <pj/log.h> |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 24 | #include <pj/pool.h> |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 25 | #include <pj/string.h> |
| 26 | |
| 27 | #define THIS_FILE "audiodev.c" |
| 28 | |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame] | 29 | #define DEFINE_CAP(name, info) {name, info} |
| 30 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 31 | /* Capability names */ |
| 32 | static struct cap_info |
| 33 | { |
| 34 | const char *name; |
| 35 | const char *info; |
| 36 | } cap_infos[] = |
| 37 | { |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame] | 38 | DEFINE_CAP("ext-fmt", "Extended/non-PCM format"), |
| 39 | DEFINE_CAP("latency-in", "Input latency/buffer size setting"), |
| 40 | DEFINE_CAP("latency-out", "Output latency/buffer size setting"), |
| 41 | DEFINE_CAP("vol-in", "Input volume setting"), |
| 42 | DEFINE_CAP("vol-out", "Output volume setting"), |
| 43 | DEFINE_CAP("meter-in", "Input meter"), |
| 44 | DEFINE_CAP("meter-out", "Output meter"), |
| 45 | DEFINE_CAP("route-in", "Input routing"), |
| 46 | DEFINE_CAP("route-out", "Output routing"), |
| 47 | DEFINE_CAP("aec", "Accoustic echo cancellation"), |
| 48 | DEFINE_CAP("aec-tail", "Tail length setting for AEC"), |
| 49 | DEFINE_CAP("vad", "Voice activity detection"), |
| 50 | DEFINE_CAP("cng", "Comfort noise generation"), |
| 51 | DEFINE_CAP("plg", "Packet loss concealment") |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 52 | }; |
| 53 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 54 | |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 55 | /* |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 56 | * The device index seen by application and driver is different. |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 57 | * |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 58 | * At application level, device index is index to global list of device. |
| 59 | * At driver level, device index is index to device list on that particular |
| 60 | * factory only. |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 61 | */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 62 | #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] | 63 | #define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) |
| 64 | #define GET_FID(dev_id) ((dev_id) >> 16) |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 65 | #define DEFAULT_DEV_ID 0 |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 66 | |
| 67 | |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 68 | /* extern functions to create factories */ |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 69 | #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 70 | pjmedia_aud_dev_factory* pjmedia_pa_factory(pj_pool_factory *pf); |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 71 | #endif |
| 72 | |
| 73 | #if PJMEDIA_AUDIO_DEV_HAS_WMME |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 74 | pjmedia_aud_dev_factory* pjmedia_wmme_factory(pj_pool_factory *pf); |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 75 | #endif |
| 76 | |
Nanang Izzuddin | a940b36 | 2009-02-23 13:53:30 +0000 | [diff] [blame] | 77 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS |
| 78 | pjmedia_aud_dev_factory* pjmedia_aps_factory(pj_pool_factory *pf); |
| 79 | #endif |
| 80 | |
| 81 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA |
| 82 | pjmedia_aud_dev_factory* pjmedia_symb_mda_factory(pj_pool_factory *pf); |
| 83 | #endif |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 84 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 85 | #define MAX_DRIVERS 16 |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 86 | #define MAX_DEVS 64 |
| 87 | |
| 88 | /* typedef for factory creation function */ |
| 89 | typedef pjmedia_aud_dev_factory* (*create_func_ptr)(pj_pool_factory*); |
| 90 | |
| 91 | /* driver structure */ |
| 92 | struct driver |
| 93 | { |
| 94 | create_func_ptr create; /* Creation function. */ |
| 95 | pjmedia_aud_dev_factory *f; /* Factory instance. */ |
| 96 | char name[32]; /* Driver name */ |
| 97 | unsigned dev_cnt; /* Number of devices */ |
| 98 | unsigned start_idx; /* Start index in global list */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 99 | int rec_dev_idx;/* Default capture device. */ |
| 100 | int play_dev_idx;/* Default playback device */ |
| 101 | int dev_idx; /* Default device. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 102 | }; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 103 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 104 | /* The audio subsystem */ |
| 105 | static struct aud_subsys |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 106 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 107 | unsigned init_count; /* How many times init() is called */ |
| 108 | pj_pool_factory *pf; /* The pool factory. */ |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 109 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 110 | unsigned drv_cnt; /* Number of drivers. */ |
| 111 | struct driver drv[MAX_DRIVERS]; /* Array of drivers. */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 112 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 113 | unsigned dev_cnt; /* Total number of devices. */ |
| 114 | pj_uint32_t dev_list[MAX_DEVS];/* Array of device IDs. */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 115 | |
| 116 | } aud_subsys; |
| 117 | |
Benny Prijono | 7a38000 | 2009-03-09 12:55:29 +0000 | [diff] [blame] | 118 | /* API: get capability name/info */ |
| 119 | PJ_DEF(const char*) pjmedia_aud_dev_cap_name(pjmedia_aud_dev_cap cap, |
| 120 | const char **p_desc) |
| 121 | { |
| 122 | const char *desc; |
| 123 | unsigned i; |
| 124 | |
| 125 | if (p_desc==NULL) p_desc = &desc; |
| 126 | |
| 127 | for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { |
| 128 | if ((1 << i)==cap) |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | if (i==32) { |
| 133 | *p_desc = "??"; |
| 134 | return "??"; |
| 135 | } |
| 136 | |
| 137 | *p_desc = cap_infos[i].info; |
| 138 | return cap_infos[i].name; |
| 139 | } |
| 140 | |
| 141 | static pj_status_t get_cap_pointer(const pjmedia_aud_param *param, |
| 142 | pjmedia_aud_dev_cap cap, |
| 143 | void **ptr, |
| 144 | unsigned *size) |
| 145 | { |
| 146 | #define FIELD_INFO(name) *ptr = (void*)¶m->name; \ |
| 147 | *size = sizeof(param->name) |
| 148 | |
| 149 | switch (cap) { |
| 150 | case PJMEDIA_AUD_DEV_CAP_EXT_FORMAT: |
| 151 | FIELD_INFO(ext_fmt); |
| 152 | break; |
| 153 | case PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY: |
| 154 | FIELD_INFO(input_latency_ms); |
| 155 | break; |
| 156 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY: |
| 157 | FIELD_INFO(output_latency_ms); |
| 158 | break; |
| 159 | case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| 160 | FIELD_INFO(input_vol); |
| 161 | break; |
| 162 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| 163 | FIELD_INFO(output_vol); |
| 164 | break; |
| 165 | case PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE: |
| 166 | FIELD_INFO(input_route); |
| 167 | break; |
| 168 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: |
| 169 | FIELD_INFO(output_route); |
| 170 | break; |
| 171 | case PJMEDIA_AUD_DEV_CAP_EC: |
| 172 | FIELD_INFO(ec_enabled); |
| 173 | break; |
| 174 | case PJMEDIA_AUD_DEV_CAP_EC_TAIL: |
| 175 | FIELD_INFO(ec_tail_ms); |
| 176 | break; |
| 177 | case PJMEDIA_AUD_DEV_CAP_VAD: |
| 178 | FIELD_INFO(ext_fmt.vad); |
| 179 | break; |
| 180 | case PJMEDIA_AUD_DEV_CAP_CNG: |
| 181 | FIELD_INFO(cng_enabled); |
| 182 | break; |
| 183 | case PJMEDIA_AUD_DEV_CAP_PLC: |
| 184 | FIELD_INFO(plc_enabled); |
| 185 | break; |
| 186 | default: |
| 187 | return PJMEDIA_EAUD_INVCAP; |
| 188 | } |
| 189 | |
| 190 | #undef FIELD_INFO |
| 191 | |
| 192 | return PJ_SUCCESS; |
| 193 | } |
| 194 | |
| 195 | /* API: set cap value to param */ |
| 196 | PJ_DEF(pj_status_t) pjmedia_aud_param_set_cap( pjmedia_aud_param *param, |
| 197 | pjmedia_aud_dev_cap cap, |
| 198 | const void *pval) |
| 199 | { |
| 200 | void *cap_ptr; |
| 201 | unsigned cap_size; |
| 202 | pj_status_t status; |
| 203 | |
| 204 | status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); |
| 205 | if (status != PJ_SUCCESS) |
| 206 | return status; |
| 207 | |
| 208 | pj_memcpy(cap_ptr, pval, cap_size); |
| 209 | param->flags |= cap; |
| 210 | |
| 211 | return PJ_SUCCESS; |
| 212 | } |
| 213 | |
| 214 | /* API: get cap value from param */ |
| 215 | PJ_DEF(pj_status_t) pjmedia_aud_param_get_cap( const pjmedia_aud_param *param, |
| 216 | pjmedia_aud_dev_cap cap, |
| 217 | void *pval) |
| 218 | { |
| 219 | void *cap_ptr; |
| 220 | unsigned cap_size; |
| 221 | pj_status_t status; |
| 222 | |
| 223 | status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); |
| 224 | if (status != PJ_SUCCESS) |
| 225 | return status; |
| 226 | |
| 227 | if ((param->flags & cap) == 0) { |
| 228 | pj_bzero(cap_ptr, cap_size); |
| 229 | return PJMEDIA_EAUD_INVCAP; |
| 230 | } |
| 231 | |
| 232 | pj_memcpy(pval, cap_ptr, cap_size); |
| 233 | return PJ_SUCCESS; |
| 234 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 235 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 236 | /* Internal: init driver */ |
| 237 | static pj_status_t init_driver(unsigned drv_idx) |
| 238 | { |
| 239 | struct driver *drv = &aud_subsys.drv[drv_idx]; |
| 240 | pjmedia_aud_dev_factory *f; |
| 241 | unsigned i, dev_cnt; |
| 242 | pj_status_t status; |
| 243 | |
| 244 | /* Create the factory */ |
| 245 | f = (*drv->create)(aud_subsys.pf); |
| 246 | if (!f) |
| 247 | return PJ_EUNKNOWN; |
| 248 | |
| 249 | /* Call factory->init() */ |
| 250 | status = f->op->init(f); |
| 251 | if (status != PJ_SUCCESS) { |
| 252 | f->op->destroy(f); |
| 253 | return status; |
| 254 | } |
| 255 | |
| 256 | /* Get number of devices */ |
| 257 | dev_cnt = f->op->get_dev_count(f); |
| 258 | if (dev_cnt + aud_subsys.dev_cnt > MAX_DEVS) { |
| 259 | PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" |
| 260 | " there are too many devices", |
| 261 | aud_subsys.dev_cnt + dev_cnt - MAX_DEVS)); |
| 262 | dev_cnt = MAX_DEVS - aud_subsys.dev_cnt; |
| 263 | } |
Benny Prijono | f87f67c | 2009-04-06 10:02:53 +0000 | [diff] [blame] | 264 | |
| 265 | /* enabling this will cause pjsua-lib initialization to fail when there |
| 266 | * is no sound device installed in the system, even when pjsua has been |
| 267 | * run with --null-audio |
| 268 | * |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 269 | if (dev_cnt == 0) { |
| 270 | f->op->destroy(f); |
| 271 | return PJMEDIA_EAUD_NODEV; |
| 272 | } |
Benny Prijono | f87f67c | 2009-04-06 10:02:53 +0000 | [diff] [blame] | 273 | */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 274 | |
| 275 | /* Fill in default devices */ |
| 276 | drv->play_dev_idx = drv->rec_dev_idx = drv->dev_idx = -1; |
| 277 | for (i=0; i<dev_cnt; ++i) { |
| 278 | pjmedia_aud_dev_info info; |
| 279 | |
| 280 | status = f->op->get_dev_info(f, i, &info); |
| 281 | if (status != PJ_SUCCESS) { |
| 282 | f->op->destroy(f); |
| 283 | return status; |
| 284 | } |
| 285 | |
| 286 | if (drv->name[0]=='\0') { |
| 287 | /* Set driver name */ |
| 288 | pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); |
| 289 | drv->name[sizeof(drv->name)-1] = '\0'; |
| 290 | } |
| 291 | |
| 292 | if (drv->play_dev_idx < 0 && info.output_count) { |
| 293 | /* Set default playback device */ |
| 294 | drv->play_dev_idx = i; |
| 295 | } |
| 296 | if (drv->rec_dev_idx < 0 && info.input_count) { |
| 297 | /* Set default capture device */ |
| 298 | drv->rec_dev_idx = i; |
| 299 | } |
| 300 | if (drv->dev_idx < 0 && info.input_count && |
| 301 | info.output_count) |
| 302 | { |
| 303 | /* Set default capture and playback device */ |
| 304 | drv->dev_idx = i; |
| 305 | } |
| 306 | |
| 307 | if (drv->play_dev_idx >= 0 && drv->rec_dev_idx >= 0 && |
| 308 | drv->dev_idx >= 0) |
| 309 | { |
| 310 | /* Done. */ |
| 311 | break; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /* Register the factory */ |
| 316 | drv->f = f; |
| 317 | drv->f->sys.drv_idx = drv_idx; |
| 318 | drv->start_idx = aud_subsys.dev_cnt; |
| 319 | drv->dev_cnt = dev_cnt; |
| 320 | |
| 321 | /* Register devices to global list */ |
| 322 | for (i=0; i<dev_cnt; ++i) { |
| 323 | aud_subsys.dev_list[aud_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); |
| 324 | } |
| 325 | |
| 326 | return PJ_SUCCESS; |
| 327 | } |
| 328 | |
| 329 | /* Internal: deinit driver */ |
| 330 | static void deinit_driver(unsigned drv_idx) |
| 331 | { |
| 332 | struct driver *drv = &aud_subsys.drv[drv_idx]; |
| 333 | |
| 334 | if (drv->f) { |
| 335 | drv->f->op->destroy(drv->f); |
| 336 | drv->f = NULL; |
| 337 | } |
| 338 | |
| 339 | drv->dev_cnt = 0; |
| 340 | drv->play_dev_idx = drv->rec_dev_idx = drv->dev_idx = -1; |
| 341 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 342 | |
| 343 | /* API: Initialize the audio subsystem. */ |
| 344 | PJ_DEF(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf) |
| 345 | { |
| 346 | unsigned i; |
| 347 | pj_status_t status = PJ_ENOMEM; |
| 348 | |
Benny Prijono | 555139d | 2009-02-19 12:08:19 +0000 | [diff] [blame] | 349 | /* Allow init() to be called multiple times as long as there is matching |
| 350 | * number of shutdown(). |
| 351 | */ |
| 352 | if (aud_subsys.init_count++ != 0) { |
| 353 | return PJ_SUCCESS; |
| 354 | } |
| 355 | |
Benny Prijono | 8eeab0b | 2009-03-04 19:00:28 +0000 | [diff] [blame] | 356 | /* Register error subsystem */ |
| 357 | pj_register_strerror(PJMEDIA_AUDIODEV_ERRNO_START, |
| 358 | PJ_ERRNO_SPACE_SIZE, |
| 359 | &pjmedia_audiodev_strerror); |
| 360 | |
| 361 | /* Init */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 362 | aud_subsys.pf = pf; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 363 | aud_subsys.drv_cnt = 0; |
| 364 | aud_subsys.dev_cnt = 0; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 365 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 366 | /* Register creation functions */ |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 367 | #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 368 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_pa_factory; |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 369 | #endif |
| 370 | #if PJMEDIA_AUDIO_DEV_HAS_WMME |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 371 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_wmme_factory; |
Benny Prijono | 2058f47 | 2009-02-22 17:15:34 +0000 | [diff] [blame] | 372 | #endif |
Nanang Izzuddin | a940b36 | 2009-02-23 13:53:30 +0000 | [diff] [blame] | 373 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS |
| 374 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_aps_factory; |
| 375 | #endif |
| 376 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA |
| 377 | aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_symb_mda_factory; |
| 378 | #endif |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 379 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 380 | /* Initialize each factory and build the device ID list */ |
| 381 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 382 | status = init_driver(i); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 383 | if (status != PJ_SUCCESS) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 384 | deinit_driver(i); |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 385 | continue; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 386 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 387 | } |
| 388 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 389 | return aud_subsys.dev_cnt ? PJ_SUCCESS : status; |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | /* API: get the pool factory registered to the audio subsystem. */ |
| 393 | PJ_DEF(pj_pool_factory*) pjmedia_aud_subsys_get_pool_factory(void) |
| 394 | { |
| 395 | return aud_subsys.pf; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | /* API: Shutdown the audio subsystem. */ |
| 399 | PJ_DEF(pj_status_t) pjmedia_aud_subsys_shutdown(void) |
| 400 | { |
| 401 | unsigned i; |
| 402 | |
Benny Prijono | 555139d | 2009-02-19 12:08:19 +0000 | [diff] [blame] | 403 | /* Allow shutdown() to be called multiple times as long as there is matching |
| 404 | * number of init(). |
| 405 | */ |
| 406 | if (aud_subsys.init_count == 0) { |
| 407 | return PJ_SUCCESS; |
| 408 | } |
| 409 | --aud_subsys.init_count; |
| 410 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 411 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 412 | deinit_driver(i); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 413 | } |
| 414 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 415 | aud_subsys.pf = NULL; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 416 | return PJ_SUCCESS; |
| 417 | } |
| 418 | |
| 419 | /* API: Get the number of sound devices installed in the system. */ |
| 420 | PJ_DEF(unsigned) pjmedia_aud_dev_count(void) |
| 421 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 422 | return aud_subsys.dev_cnt; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 423 | } |
| 424 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 425 | /* Internal: convert local index to global device index */ |
| 426 | static pj_status_t make_global_index(unsigned drv_idx, |
| 427 | pjmedia_aud_dev_index *id) |
| 428 | { |
| 429 | if (*id < 0) { |
| 430 | return PJ_SUCCESS; |
| 431 | } |
| 432 | |
| 433 | /* Check that factory still exists */ |
| 434 | PJ_ASSERT_RETURN(aud_subsys.drv[drv_idx].f, PJ_EBUG); |
| 435 | |
| 436 | /* Check that device index is valid */ |
| 437 | PJ_ASSERT_RETURN(*id>=0 && *id<(int)aud_subsys.drv[drv_idx].dev_cnt, |
| 438 | PJ_EBUG); |
| 439 | |
| 440 | *id += aud_subsys.drv[drv_idx].start_idx; |
| 441 | return PJ_SUCCESS; |
| 442 | } |
| 443 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 444 | /* Internal: lookup device id */ |
| 445 | static pj_status_t lookup_dev(pjmedia_aud_dev_index id, |
| 446 | pjmedia_aud_dev_factory **p_f, |
| 447 | unsigned *p_local_index) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 448 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 449 | int f_id, index; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 450 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 451 | if (id < 0) { |
| 452 | unsigned i; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 453 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 454 | if (id == PJMEDIA_AUD_INVALID_DEV) |
| 455 | return PJMEDIA_EAUD_INVDEV; |
| 456 | |
| 457 | for (i=0; i<aud_subsys.drv_cnt; ++i) { |
| 458 | struct driver *drv = &aud_subsys.drv[i]; |
| 459 | if (drv->dev_idx >= 0) { |
| 460 | id = drv->dev_idx; |
| 461 | make_global_index(i, &id); |
| 462 | break; |
| 463 | } else if (id==PJMEDIA_AUD_DEFAULT_CAPTURE_DEV && |
| 464 | drv->rec_dev_idx >= 0) |
| 465 | { |
| 466 | id = drv->rec_dev_idx; |
| 467 | make_global_index(i, &id); |
| 468 | break; |
| 469 | } else if (id==PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV && |
| 470 | drv->play_dev_idx >= 0) |
| 471 | { |
| 472 | id = drv->play_dev_idx; |
| 473 | make_global_index(i, &id); |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | if (id < 0) { |
| 479 | return PJMEDIA_EAUD_NODEFDEV; |
| 480 | } |
| 481 | } |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 482 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 483 | f_id = GET_FID(aud_subsys.dev_list[id]); |
| 484 | index = GET_INDEX(aud_subsys.dev_list[id]); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 485 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 486 | if (f_id < 0 || f_id >= (int)aud_subsys.drv_cnt) |
| 487 | return PJMEDIA_EAUD_INVDEV; |
| 488 | |
| 489 | if (index < 0 || index >= (int)aud_subsys.drv[f_id].dev_cnt) |
| 490 | return PJMEDIA_EAUD_INVDEV; |
| 491 | |
| 492 | *p_f = aud_subsys.drv[f_id].f; |
| 493 | *p_local_index = (unsigned)index; |
| 494 | |
| 495 | return PJ_SUCCESS; |
| 496 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 497 | } |
| 498 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 499 | /* API: Get device information. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 500 | 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] | 501 | pjmedia_aud_dev_info *info) |
| 502 | { |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 503 | pjmedia_aud_dev_factory *f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 504 | unsigned index; |
| 505 | pj_status_t status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 506 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 507 | PJ_ASSERT_RETURN(info && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); |
| 508 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 509 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 510 | status = lookup_dev(id, &f, &index); |
| 511 | if (status != PJ_SUCCESS) |
| 512 | return status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 513 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 514 | return f->op->get_dev_info(f, index, info); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 515 | } |
| 516 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 517 | /* API: find device */ |
| 518 | PJ_DEF(pj_status_t) pjmedia_aud_dev_lookup( const char *drv_name, |
| 519 | const char *dev_name, |
| 520 | pjmedia_aud_dev_index *id) |
| 521 | { |
| 522 | pjmedia_aud_dev_factory *f = NULL; |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 523 | unsigned drv_idx, dev_idx; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 524 | |
| 525 | PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 526 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 527 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 528 | for (drv_idx=0; drv_idx<aud_subsys.drv_cnt; ++drv_idx) { |
| 529 | if (!pj_ansi_stricmp(drv_name, aud_subsys.drv[drv_idx].name)) { |
| 530 | f = aud_subsys.drv[drv_idx].f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 531 | break; |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | if (!f) |
| 536 | return PJ_ENOTFOUND; |
| 537 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 538 | 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] | 539 | pjmedia_aud_dev_info info; |
| 540 | pj_status_t status; |
| 541 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 542 | status = f->op->get_dev_info(f, dev_idx, &info); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 543 | if (status != PJ_SUCCESS) |
| 544 | return status; |
| 545 | |
| 546 | if (!pj_ansi_stricmp(dev_name, info.name)) |
| 547 | break; |
| 548 | } |
| 549 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 550 | if (dev_idx==aud_subsys.drv[drv_idx].dev_cnt) |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 551 | return PJ_ENOTFOUND; |
| 552 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 553 | *id = dev_idx; |
| 554 | make_global_index(drv_idx, id); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 555 | |
| 556 | return PJ_SUCCESS; |
| 557 | } |
| 558 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 559 | /* API: Initialize the audio device parameters with default values for the |
| 560 | * specified device. |
| 561 | */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 562 | PJ_DEF(pj_status_t) pjmedia_aud_dev_default_param(pjmedia_aud_dev_index id, |
| 563 | pjmedia_aud_param *param) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 564 | { |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 565 | pjmedia_aud_dev_factory *f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 566 | unsigned index; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 567 | pj_status_t status; |
| 568 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 569 | PJ_ASSERT_RETURN(param && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); |
| 570 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 598b01d | 2009-02-18 13:55:03 +0000 | [diff] [blame] | 571 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 572 | status = lookup_dev(id, &f, &index); |
| 573 | if (status != PJ_SUCCESS) |
| 574 | return status; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 575 | |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 576 | status = f->op->default_param(f, index, param); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 577 | if (status != PJ_SUCCESS) |
| 578 | return status; |
| 579 | |
| 580 | /* Normalize device IDs */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 581 | make_global_index(f->sys.drv_idx, ¶m->rec_id); |
| 582 | make_global_index(f->sys.drv_idx, ¶m->play_id); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 583 | |
| 584 | return PJ_SUCCESS; |
| 585 | } |
| 586 | |
| 587 | /* API: Open audio stream object using the specified parameters. */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 588 | 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] | 589 | pjmedia_aud_rec_cb rec_cb, |
| 590 | pjmedia_aud_play_cb play_cb, |
| 591 | void *user_data, |
| 592 | pjmedia_aud_stream **p_aud_strm) |
| 593 | { |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 594 | pjmedia_aud_dev_factory *rec_f=NULL, *play_f=NULL, *f=NULL; |
| 595 | pjmedia_aud_param param; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 596 | pj_status_t status; |
| 597 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 598 | PJ_ASSERT_RETURN(prm && prm->dir && p_aud_strm, PJ_EINVAL); |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 599 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 600 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 601 | /* Must make copy of param because we're changing device ID */ |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 602 | pj_memcpy(¶m, prm, sizeof(param)); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 603 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 604 | /* Normalize rec_id */ |
| 605 | if (param.dir & PJMEDIA_DIR_CAPTURE) { |
| 606 | unsigned index; |
| 607 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 608 | if (param.rec_id < 0) |
| 609 | param.rec_id = PJMEDIA_AUD_DEFAULT_CAPTURE_DEV; |
| 610 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 611 | status = lookup_dev(param.rec_id, &rec_f, &index); |
| 612 | if (status != PJ_SUCCESS) |
| 613 | return status; |
| 614 | |
| 615 | param.rec_id = index; |
| 616 | f = rec_f; |
| 617 | } |
| 618 | |
| 619 | /* Normalize play_id */ |
| 620 | if (param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 621 | unsigned index; |
| 622 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 623 | if (param.play_id < 0) |
| 624 | param.play_id = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; |
| 625 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 626 | status = lookup_dev(param.play_id, &play_f, &index); |
| 627 | if (status != PJ_SUCCESS) |
| 628 | return status; |
| 629 | |
| 630 | param.play_id = index; |
| 631 | f = play_f; |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 632 | } |
| 633 | |
Nanang Izzuddin | 6f7d5a1 | 2009-03-16 16:29:39 +0000 | [diff] [blame] | 634 | /* For now, rec_id and play_id must belong to the same factory */ |
| 635 | PJ_ASSERT_RETURN((param.dir != PJMEDIA_DIR_CAPTURE_PLAYBACK) || |
| 636 | (rec_f == play_f), |
| 637 | PJMEDIA_EAUD_INVDEV); |
| 638 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 639 | /* Create the stream */ |
Benny Prijono | e3ebd55 | 2009-02-18 20:14:15 +0000 | [diff] [blame] | 640 | status = f->op->create_stream(f, ¶m, rec_cb, play_cb, |
| 641 | user_data, p_aud_strm); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 642 | if (status != PJ_SUCCESS) |
| 643 | return status; |
| 644 | |
Benny Prijono | 10454dc | 2009-02-21 14:21:59 +0000 | [diff] [blame] | 645 | /* Assign factory id to the stream */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 646 | (*p_aud_strm)->sys.drv_idx = f->sys.drv_idx; |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 647 | return PJ_SUCCESS; |
| 648 | } |
| 649 | |
| 650 | /* API: Get the running parameters for the specified audio stream. */ |
| 651 | 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] | 652 | pjmedia_aud_param *param) |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 653 | { |
| 654 | pj_status_t status; |
| 655 | |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 656 | PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); |
| 657 | PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); |
| 658 | |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 659 | status = strm->op->get_param(strm, param); |
| 660 | if (status != PJ_SUCCESS) |
| 661 | return status; |
| 662 | |
| 663 | /* Normalize device id's */ |
Benny Prijono | 96e74f3 | 2009-02-22 12:00:12 +0000 | [diff] [blame] | 664 | make_global_index(strm->sys.drv_idx, ¶m->rec_id); |
| 665 | make_global_index(strm->sys.drv_idx, ¶m->play_id); |
Benny Prijono | 2cd64f8 | 2009-02-17 19:57:48 +0000 | [diff] [blame] | 666 | |
| 667 | return PJ_SUCCESS; |
| 668 | } |
| 669 | |
| 670 | /* API: Get the value of a specific capability of the audio stream. */ |
| 671 | PJ_DEF(pj_status_t) pjmedia_aud_stream_get_cap(pjmedia_aud_stream *strm, |
| 672 | pjmedia_aud_dev_cap cap, |
| 673 | void *value) |
| 674 | { |
| 675 | return strm->op->get_cap(strm, cap, value); |
| 676 | } |
| 677 | |
| 678 | /* API: Set the value of a specific capability of the audio stream. */ |
| 679 | PJ_DEF(pj_status_t) pjmedia_aud_stream_set_cap(pjmedia_aud_stream *strm, |
| 680 | pjmedia_aud_dev_cap cap, |
| 681 | const void *value) |
| 682 | { |
| 683 | return strm->op->set_cap(strm, cap, value); |
| 684 | } |
| 685 | |
| 686 | /* API: Start the stream. */ |
| 687 | PJ_DEF(pj_status_t) pjmedia_aud_stream_start(pjmedia_aud_stream *strm) |
| 688 | { |
| 689 | return strm->op->start(strm); |
| 690 | } |
| 691 | |
| 692 | /* API: Stop the stream. */ |
| 693 | PJ_DEF(pj_status_t) pjmedia_aud_stream_stop(pjmedia_aud_stream *strm) |
| 694 | { |
| 695 | return strm->op->stop(strm); |
| 696 | } |
| 697 | |
| 698 | /* API: Destroy the stream. */ |
| 699 | PJ_DEF(pj_status_t) pjmedia_aud_stream_destroy(pjmedia_aud_stream *strm) |
| 700 | { |
| 701 | return strm->op->destroy(strm); |
| 702 | } |
| 703 | |
| 704 | |