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 | #include <pjsua-lib/pjsua.h> |
| 21 | #include <pjsua-lib/pjsua_internal.h> |
| 22 | |
| 23 | #if defined(PJSUA_MEDIA_HAS_PJMEDIA) && PJSUA_MEDIA_HAS_PJMEDIA != 0 |
| 24 | |
| 25 | #define THIS_FILE "pjsua_aud.c" |
| 26 | #define NULL_SND_DEV_ID -99 |
| 27 | |
| 28 | /***************************************************************************** |
| 29 | * |
| 30 | * Prototypes |
| 31 | */ |
| 32 | /* Open sound dev */ |
| 33 | static pj_status_t open_snd_dev(pjmedia_snd_port_param *param); |
| 34 | /* Close existing sound device */ |
| 35 | static void close_snd_dev(void); |
| 36 | /* Create audio device param */ |
| 37 | static pj_status_t create_aud_param(pjmedia_aud_param *param, |
| 38 | pjmedia_aud_dev_index capture_dev, |
| 39 | pjmedia_aud_dev_index playback_dev, |
| 40 | unsigned clock_rate, |
| 41 | unsigned channel_count, |
| 42 | unsigned samples_per_frame, |
| 43 | unsigned bits_per_sample); |
| 44 | |
| 45 | /***************************************************************************** |
| 46 | * |
| 47 | * Call API that are closely tied to PJMEDIA |
| 48 | */ |
| 49 | /* |
| 50 | * Check if call has an active media session. |
| 51 | */ |
| 52 | PJ_DEF(pj_bool_t) pjsua_call_has_media(pjsua_call_id call_id) |
| 53 | { |
| 54 | pjsua_call *call = &pjsua_var.calls[call_id]; |
| 55 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 56 | PJ_EINVAL); |
| 57 | return call->audio_idx >= 0 && call->media[call->audio_idx].strm.a.stream; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | /* |
| 62 | * Get the conference port identification associated with the call. |
| 63 | */ |
| 64 | PJ_DEF(pjsua_conf_port_id) pjsua_call_get_conf_port(pjsua_call_id call_id) |
| 65 | { |
| 66 | pjsua_call *call; |
| 67 | pjsua_conf_port_id port_id = PJSUA_INVALID_ID; |
| 68 | |
| 69 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 70 | PJ_EINVAL); |
| 71 | |
| 72 | /* Use PJSUA_LOCK() instead of acquire_call(): |
| 73 | * https://trac.pjsip.org/repos/ticket/1371 |
| 74 | */ |
| 75 | PJSUA_LOCK(); |
| 76 | |
| 77 | if (!pjsua_call_is_active(call_id)) |
| 78 | goto on_return; |
| 79 | |
| 80 | call = &pjsua_var.calls[call_id]; |
| 81 | port_id = call->media[call->audio_idx].strm.a.conf_slot; |
| 82 | |
| 83 | on_return: |
| 84 | PJSUA_UNLOCK(); |
| 85 | |
| 86 | return port_id; |
| 87 | } |
| 88 | |
| 89 | |
| 90 | /* |
| 91 | * Get media stream info for the specified media index. |
| 92 | */ |
| 93 | PJ_DEF(pj_status_t) pjsua_call_get_stream_info( pjsua_call_id call_id, |
| 94 | unsigned med_idx, |
| 95 | pjsua_stream_info *psi) |
| 96 | { |
| 97 | pjsua_call *call; |
| 98 | pjsua_call_media *call_med; |
| 99 | pj_status_t status; |
| 100 | |
| 101 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 102 | PJ_EINVAL); |
| 103 | PJ_ASSERT_RETURN(psi, PJ_EINVAL); |
| 104 | |
| 105 | PJSUA_LOCK(); |
| 106 | |
| 107 | call = &pjsua_var.calls[call_id]; |
| 108 | |
| 109 | if (med_idx >= call->med_cnt) { |
| 110 | PJSUA_UNLOCK(); |
| 111 | return PJ_EINVAL; |
| 112 | } |
| 113 | |
| 114 | call_med = &call->media[med_idx]; |
| 115 | psi->type = call_med->type; |
| 116 | switch (call_med->type) { |
| 117 | case PJMEDIA_TYPE_AUDIO: |
| 118 | status = pjmedia_stream_get_info(call_med->strm.a.stream, |
| 119 | &psi->info.aud); |
| 120 | break; |
| 121 | #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| 122 | case PJMEDIA_TYPE_VIDEO: |
| 123 | status = pjmedia_vid_stream_get_info(call_med->strm.v.stream, |
| 124 | &psi->info.vid); |
| 125 | break; |
| 126 | #endif |
| 127 | default: |
| 128 | status = PJMEDIA_EINVALIMEDIATYPE; |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | PJSUA_UNLOCK(); |
| 133 | return status; |
| 134 | } |
| 135 | |
| 136 | |
| 137 | /* |
| 138 | * Get media stream statistic for the specified media index. |
| 139 | */ |
| 140 | PJ_DEF(pj_status_t) pjsua_call_get_stream_stat( pjsua_call_id call_id, |
| 141 | unsigned med_idx, |
| 142 | pjsua_stream_stat *stat) |
| 143 | { |
| 144 | pjsua_call *call; |
| 145 | pjsua_call_media *call_med; |
| 146 | pj_status_t status; |
| 147 | |
| 148 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 149 | PJ_EINVAL); |
| 150 | PJ_ASSERT_RETURN(stat, PJ_EINVAL); |
| 151 | |
| 152 | PJSUA_LOCK(); |
| 153 | |
| 154 | call = &pjsua_var.calls[call_id]; |
| 155 | |
| 156 | if (med_idx >= call->med_cnt) { |
| 157 | PJSUA_UNLOCK(); |
| 158 | return PJ_EINVAL; |
| 159 | } |
| 160 | |
| 161 | call_med = &call->media[med_idx]; |
| 162 | switch (call_med->type) { |
| 163 | case PJMEDIA_TYPE_AUDIO: |
| 164 | status = pjmedia_stream_get_stat(call_med->strm.a.stream, |
| 165 | &stat->rtcp); |
| 166 | if (status == PJ_SUCCESS) |
| 167 | status = pjmedia_stream_get_stat_jbuf(call_med->strm.a.stream, |
| 168 | &stat->jbuf); |
| 169 | break; |
| 170 | #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| 171 | case PJMEDIA_TYPE_VIDEO: |
| 172 | status = pjmedia_vid_stream_get_stat(call_med->strm.v.stream, |
| 173 | &stat->rtcp); |
| 174 | if (status == PJ_SUCCESS) |
| 175 | status = pjmedia_vid_stream_get_stat_jbuf(call_med->strm.v.stream, |
| 176 | &stat->jbuf); |
| 177 | break; |
| 178 | #endif |
| 179 | default: |
| 180 | status = PJMEDIA_EINVALIMEDIATYPE; |
| 181 | break; |
| 182 | } |
| 183 | |
| 184 | PJSUA_UNLOCK(); |
| 185 | return status; |
| 186 | } |
| 187 | |
| 188 | /* |
| 189 | * Send DTMF digits to remote using RFC 2833 payload formats. |
| 190 | */ |
| 191 | PJ_DEF(pj_status_t) pjsua_call_dial_dtmf( pjsua_call_id call_id, |
| 192 | const pj_str_t *digits) |
| 193 | { |
| 194 | pjsua_call *call; |
| 195 | pjsip_dialog *dlg = NULL; |
| 196 | pj_status_t status; |
| 197 | |
| 198 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 199 | PJ_EINVAL); |
| 200 | |
| 201 | PJ_LOG(4,(THIS_FILE, "Call %d dialing DTMF %.*s", |
| 202 | call_id, (int)digits->slen, digits->ptr)); |
| 203 | pj_log_push_indent(); |
| 204 | |
| 205 | status = acquire_call("pjsua_call_dial_dtmf()", call_id, &call, &dlg); |
| 206 | if (status != PJ_SUCCESS) |
| 207 | goto on_return; |
| 208 | |
| 209 | if (!pjsua_call_has_media(call_id)) { |
| 210 | PJ_LOG(3,(THIS_FILE, "Media is not established yet!")); |
| 211 | status = PJ_EINVALIDOP; |
| 212 | goto on_return; |
| 213 | } |
| 214 | |
| 215 | status = pjmedia_stream_dial_dtmf( |
| 216 | call->media[call->audio_idx].strm.a.stream, digits); |
| 217 | |
| 218 | on_return: |
| 219 | if (dlg) pjsip_dlg_dec_lock(dlg); |
| 220 | pj_log_pop_indent(); |
| 221 | return status; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | /***************************************************************************** |
| 226 | * |
| 227 | * Audio media with PJMEDIA backend |
| 228 | */ |
| 229 | |
| 230 | /* Init pjmedia audio subsystem */ |
| 231 | pj_status_t pjsua_aud_subsys_init() |
| 232 | { |
| 233 | pj_str_t codec_id = {NULL, 0}; |
| 234 | unsigned opt; |
| 235 | pjmedia_audio_codec_config codec_cfg; |
| 236 | pj_status_t status; |
| 237 | |
| 238 | /* To suppress warning about unused var when all codecs are disabled */ |
| 239 | PJ_UNUSED_ARG(codec_id); |
| 240 | |
| 241 | /* |
| 242 | * Register all codecs |
| 243 | */ |
| 244 | pjmedia_audio_codec_config_default(&codec_cfg); |
| 245 | codec_cfg.speex.quality = pjsua_var.media_cfg.quality; |
| 246 | codec_cfg.speex.complexity = -1; |
| 247 | codec_cfg.ilbc.mode = pjsua_var.media_cfg.ilbc_mode; |
| 248 | |
| 249 | #if PJMEDIA_HAS_PASSTHROUGH_CODECS |
| 250 | /* Register passthrough codecs */ |
| 251 | { |
| 252 | unsigned aud_idx; |
| 253 | unsigned ext_fmt_cnt = 0; |
| 254 | pjmedia_format ext_fmts[32]; |
| 255 | |
| 256 | /* List extended formats supported by audio devices */ |
| 257 | for (aud_idx = 0; aud_idx < pjmedia_aud_dev_count(); ++aud_idx) { |
| 258 | pjmedia_aud_dev_info aud_info; |
| 259 | unsigned i; |
| 260 | |
| 261 | status = pjmedia_aud_dev_get_info(aud_idx, &aud_info); |
| 262 | if (status != PJ_SUCCESS) { |
| 263 | pjsua_perror(THIS_FILE, "Error querying audio device info", |
| 264 | status); |
| 265 | goto on_error; |
| 266 | } |
| 267 | |
| 268 | /* Collect extended formats supported by this audio device */ |
| 269 | for (i = 0; i < aud_info.ext_fmt_cnt; ++i) { |
| 270 | unsigned j; |
| 271 | pj_bool_t is_listed = PJ_FALSE; |
| 272 | |
| 273 | /* See if this extended format is already in the list */ |
| 274 | for (j = 0; j < ext_fmt_cnt && !is_listed; ++j) { |
| 275 | if (ext_fmts[j].id == aud_info.ext_fmt[i].id && |
| 276 | ext_fmts[j].det.aud.avg_bps == |
| 277 | aud_info.ext_fmt[i].det.aud.avg_bps) |
| 278 | { |
| 279 | is_listed = PJ_TRUE; |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | /* Put this format into the list, if it is not in the list */ |
| 284 | if (!is_listed) |
| 285 | ext_fmts[ext_fmt_cnt++] = aud_info.ext_fmt[i]; |
| 286 | |
| 287 | pj_assert(ext_fmt_cnt <= PJ_ARRAY_SIZE(ext_fmts)); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | /* Init the passthrough codec with supported formats only */ |
| 292 | codec_cfg.passthrough.setting.fmt_cnt = ext_fmt_cnt; |
| 293 | codec_cfg.passthrough.setting.fmts = ext_fmts; |
| 294 | codec_cfg.passthrough.setting.ilbc_mode = |
| 295 | pjsua_var.media_cfg.ilbc_mode; |
| 296 | } |
| 297 | #endif /* PJMEDIA_HAS_PASSTHROUGH_CODECS */ |
| 298 | |
| 299 | /* Register all codecs */ |
| 300 | status = pjmedia_codec_register_audio_codecs(pjsua_var.med_endpt, |
| 301 | &codec_cfg); |
| 302 | if (status != PJ_SUCCESS) { |
| 303 | PJ_PERROR(1,(THIS_FILE, status, "Error registering codecs")); |
| 304 | goto on_error; |
| 305 | } |
| 306 | |
| 307 | /* Set speex/16000 to higher priority*/ |
| 308 | codec_id = pj_str("speex/16000"); |
| 309 | pjmedia_codec_mgr_set_codec_priority( |
| 310 | pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| 311 | &codec_id, PJMEDIA_CODEC_PRIO_NORMAL+2); |
| 312 | |
| 313 | /* Set speex/8000 to next higher priority*/ |
| 314 | codec_id = pj_str("speex/8000"); |
| 315 | pjmedia_codec_mgr_set_codec_priority( |
| 316 | pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| 317 | &codec_id, PJMEDIA_CODEC_PRIO_NORMAL+1); |
| 318 | |
| 319 | /* Disable ALL L16 codecs */ |
| 320 | codec_id = pj_str("L16"); |
| 321 | pjmedia_codec_mgr_set_codec_priority( |
| 322 | pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| 323 | &codec_id, PJMEDIA_CODEC_PRIO_DISABLED); |
| 324 | |
| 325 | |
| 326 | /* Save additional conference bridge parameters for future |
| 327 | * reference. |
| 328 | */ |
| 329 | pjsua_var.mconf_cfg.channel_count = pjsua_var.media_cfg.channel_count; |
| 330 | pjsua_var.mconf_cfg.bits_per_sample = 16; |
| 331 | pjsua_var.mconf_cfg.samples_per_frame = pjsua_var.media_cfg.clock_rate * |
| 332 | pjsua_var.mconf_cfg.channel_count * |
| 333 | pjsua_var.media_cfg.audio_frame_ptime / |
| 334 | 1000; |
| 335 | |
| 336 | /* Init options for conference bridge. */ |
| 337 | opt = PJMEDIA_CONF_NO_DEVICE; |
| 338 | if (pjsua_var.media_cfg.quality >= 3 && |
| 339 | pjsua_var.media_cfg.quality <= 4) |
| 340 | { |
| 341 | opt |= PJMEDIA_CONF_SMALL_FILTER; |
| 342 | } |
| 343 | else if (pjsua_var.media_cfg.quality < 3) { |
| 344 | opt |= PJMEDIA_CONF_USE_LINEAR; |
| 345 | } |
| 346 | |
| 347 | /* Init conference bridge. */ |
| 348 | status = pjmedia_conf_create(pjsua_var.pool, |
| 349 | pjsua_var.media_cfg.max_media_ports, |
| 350 | pjsua_var.media_cfg.clock_rate, |
| 351 | pjsua_var.mconf_cfg.channel_count, |
| 352 | pjsua_var.mconf_cfg.samples_per_frame, |
| 353 | pjsua_var.mconf_cfg.bits_per_sample, |
| 354 | opt, &pjsua_var.mconf); |
| 355 | if (status != PJ_SUCCESS) { |
| 356 | pjsua_perror(THIS_FILE, "Error creating conference bridge", |
| 357 | status); |
| 358 | goto on_error; |
| 359 | } |
| 360 | |
| 361 | /* Are we using the audio switchboard (a.k.a APS-Direct)? */ |
| 362 | pjsua_var.is_mswitch = pjmedia_conf_get_master_port(pjsua_var.mconf) |
| 363 | ->info.signature == PJMEDIA_CONF_SWITCH_SIGNATURE; |
| 364 | |
| 365 | /* Create null port just in case user wants to use null sound. */ |
| 366 | status = pjmedia_null_port_create(pjsua_var.pool, |
| 367 | pjsua_var.media_cfg.clock_rate, |
| 368 | pjsua_var.mconf_cfg.channel_count, |
| 369 | pjsua_var.mconf_cfg.samples_per_frame, |
| 370 | pjsua_var.mconf_cfg.bits_per_sample, |
| 371 | &pjsua_var.null_port); |
| 372 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| 373 | |
| 374 | return status; |
| 375 | |
| 376 | on_error: |
| 377 | return status; |
| 378 | } |
| 379 | |
| 380 | /* Check if sound device is idle. */ |
| 381 | void pjsua_check_snd_dev_idle() |
| 382 | { |
| 383 | unsigned call_cnt; |
| 384 | |
| 385 | /* Check if the sound device auto-close feature is disabled. */ |
| 386 | if (pjsua_var.media_cfg.snd_auto_close_time < 0) |
| 387 | return; |
| 388 | |
| 389 | /* Check if the sound device is currently closed. */ |
| 390 | if (!pjsua_var.snd_is_on) |
| 391 | return; |
| 392 | |
| 393 | /* Get the call count, we shouldn't close the sound device when there is |
| 394 | * any calls active. |
| 395 | */ |
| 396 | call_cnt = pjsua_call_get_count(); |
| 397 | |
| 398 | /* When this function is called from pjsua_media_channel_deinit() upon |
| 399 | * disconnecting call, actually the call count hasn't been updated/ |
| 400 | * decreased. So we put additional check here, if there is only one |
| 401 | * call and it's in DISCONNECTED state, there is actually no active |
| 402 | * call. |
| 403 | */ |
| 404 | if (call_cnt == 1) { |
| 405 | pjsua_call_id call_id; |
| 406 | pj_status_t status; |
| 407 | |
| 408 | status = pjsua_enum_calls(&call_id, &call_cnt); |
| 409 | if (status == PJ_SUCCESS && call_cnt > 0 && |
| 410 | !pjsua_call_is_active(call_id)) |
| 411 | { |
| 412 | call_cnt = 0; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | /* Activate sound device auto-close timer if sound device is idle. |
| 417 | * It is idle when there is no port connection in the bridge and |
| 418 | * there is no active call. |
| 419 | */ |
| 420 | if (pjsua_var.snd_idle_timer.id == PJ_FALSE && |
| 421 | call_cnt == 0 && |
| 422 | pjmedia_conf_get_connect_count(pjsua_var.mconf) == 0) |
| 423 | { |
| 424 | pj_time_val delay; |
| 425 | |
| 426 | delay.msec = 0; |
| 427 | delay.sec = pjsua_var.media_cfg.snd_auto_close_time; |
| 428 | |
| 429 | pjsua_var.snd_idle_timer.id = PJ_TRUE; |
| 430 | pjsip_endpt_schedule_timer(pjsua_var.endpt, &pjsua_var.snd_idle_timer, |
| 431 | &delay); |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | /* Timer callback to close sound device */ |
| 436 | static void close_snd_timer_cb( pj_timer_heap_t *th, |
| 437 | pj_timer_entry *entry) |
| 438 | { |
| 439 | PJ_UNUSED_ARG(th); |
| 440 | |
| 441 | PJSUA_LOCK(); |
| 442 | if (entry->id) { |
| 443 | PJ_LOG(4,(THIS_FILE,"Closing sound device after idle for %d second(s)", |
| 444 | pjsua_var.media_cfg.snd_auto_close_time)); |
| 445 | |
| 446 | entry->id = PJ_FALSE; |
| 447 | |
| 448 | close_snd_dev(); |
| 449 | } |
| 450 | PJSUA_UNLOCK(); |
| 451 | } |
| 452 | |
| 453 | pj_status_t pjsua_aud_subsys_start(void) |
| 454 | { |
| 455 | pj_status_t status = PJ_SUCCESS; |
| 456 | |
| 457 | pj_timer_entry_init(&pjsua_var.snd_idle_timer, PJ_FALSE, NULL, |
| 458 | &close_snd_timer_cb); |
| 459 | |
| 460 | pjsua_check_snd_dev_idle(); |
| 461 | return status; |
| 462 | } |
| 463 | |
| 464 | pj_status_t pjsua_aud_subsys_destroy() |
| 465 | { |
| 466 | unsigned i; |
| 467 | |
| 468 | close_snd_dev(); |
| 469 | |
| 470 | if (pjsua_var.mconf) { |
| 471 | pjmedia_conf_destroy(pjsua_var.mconf); |
| 472 | pjsua_var.mconf = NULL; |
| 473 | } |
| 474 | |
| 475 | if (pjsua_var.null_port) { |
| 476 | pjmedia_port_destroy(pjsua_var.null_port); |
| 477 | pjsua_var.null_port = NULL; |
| 478 | } |
| 479 | |
| 480 | /* Destroy file players */ |
| 481 | for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.player); ++i) { |
| 482 | if (pjsua_var.player[i].port) { |
| 483 | pjmedia_port_destroy(pjsua_var.player[i].port); |
| 484 | pjsua_var.player[i].port = NULL; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | /* Destroy file recorders */ |
| 489 | for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.recorder); ++i) { |
| 490 | if (pjsua_var.recorder[i].port) { |
| 491 | pjmedia_port_destroy(pjsua_var.recorder[i].port); |
| 492 | pjsua_var.recorder[i].port = NULL; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | return PJ_SUCCESS; |
| 497 | } |
| 498 | |
| 499 | void pjsua_aud_stop_stream(pjsua_call_media *call_med) |
| 500 | { |
| 501 | pjmedia_stream *strm = call_med->strm.a.stream; |
| 502 | pjmedia_rtcp_stat stat; |
| 503 | |
| 504 | if (strm) { |
| 505 | pjmedia_stream_send_rtcp_bye(strm); |
| 506 | |
| 507 | if (call_med->strm.a.conf_slot != PJSUA_INVALID_ID) { |
| 508 | if (pjsua_var.mconf) { |
| 509 | pjsua_conf_remove_port(call_med->strm.a.conf_slot); |
| 510 | } |
| 511 | call_med->strm.a.conf_slot = PJSUA_INVALID_ID; |
| 512 | } |
| 513 | |
| 514 | if ((call_med->dir & PJMEDIA_DIR_ENCODING) && |
| 515 | (pjmedia_stream_get_stat(strm, &stat) == PJ_SUCCESS)) |
| 516 | { |
| 517 | /* Save RTP timestamp & sequence, so when media session is |
| 518 | * restarted, those values will be restored as the initial |
| 519 | * RTP timestamp & sequence of the new media session. So in |
| 520 | * the same call session, RTP timestamp and sequence are |
| 521 | * guaranteed to be contigue. |
| 522 | */ |
| 523 | call_med->rtp_tx_seq_ts_set = 1 | (1 << 1); |
| 524 | call_med->rtp_tx_seq = stat.rtp_tx_last_seq; |
| 525 | call_med->rtp_tx_ts = stat.rtp_tx_last_ts; |
| 526 | } |
| 527 | |
| 528 | if (pjsua_var.ua_cfg.cb.on_stream_destroyed) { |
| 529 | pjsua_var.ua_cfg.cb.on_stream_destroyed(call_med->call->index, |
| 530 | strm, call_med->idx); |
| 531 | } |
| 532 | |
| 533 | pjmedia_stream_destroy(strm); |
| 534 | call_med->strm.a.stream = NULL; |
| 535 | } |
| 536 | |
| 537 | pjsua_check_snd_dev_idle(); |
| 538 | } |
| 539 | |
| 540 | /* |
| 541 | * DTMF callback from the stream. |
| 542 | */ |
| 543 | static void dtmf_callback(pjmedia_stream *strm, void *user_data, |
| 544 | int digit) |
| 545 | { |
| 546 | PJ_UNUSED_ARG(strm); |
| 547 | |
| 548 | pj_log_push_indent(); |
| 549 | |
| 550 | /* For discussions about call mutex protection related to this |
| 551 | * callback, please see ticket #460: |
| 552 | * http://trac.pjsip.org/repos/ticket/460#comment:4 |
| 553 | */ |
| 554 | if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| 555 | pjsua_call_id call_id; |
| 556 | |
| 557 | call_id = (pjsua_call_id)(pj_ssize_t)user_data; |
| 558 | pjsua_var.ua_cfg.cb.on_dtmf_digit(call_id, digit); |
| 559 | } |
| 560 | |
| 561 | pj_log_pop_indent(); |
| 562 | } |
| 563 | |
| 564 | /* Internal function: update audio channel after SDP negotiation. |
| 565 | * Warning: do not use temporary/flip-flop pool, e.g: inv->pool_prov, |
| 566 | * for creating stream, etc, as after SDP negotiation and when |
| 567 | * the SDP media is not changed, the stream should remain running |
| 568 | * while the temporary/flip-flop pool may be released. |
| 569 | */ |
| 570 | pj_status_t pjsua_aud_channel_update(pjsua_call_media *call_med, |
| 571 | pj_pool_t *tmp_pool, |
| 572 | pjmedia_stream_info *si, |
| 573 | const pjmedia_sdp_session *local_sdp, |
| 574 | const pjmedia_sdp_session *remote_sdp) |
| 575 | { |
| 576 | pjsua_call *call = call_med->call; |
| 577 | pjmedia_port *media_port; |
| 578 | unsigned strm_idx = call_med->idx; |
| 579 | pj_status_t status = PJ_SUCCESS; |
| 580 | |
| 581 | PJ_UNUSED_ARG(tmp_pool); |
| 582 | PJ_UNUSED_ARG(local_sdp); |
| 583 | PJ_UNUSED_ARG(remote_sdp); |
| 584 | |
| 585 | PJ_LOG(4,(THIS_FILE,"Audio channel update..")); |
| 586 | pj_log_push_indent(); |
| 587 | |
| 588 | si->rtcp_sdes_bye_disabled = pjsua_var.media_cfg.no_rtcp_sdes_bye; |
| 589 | |
| 590 | /* Check if no media is active */ |
| 591 | if (si->dir != PJMEDIA_DIR_NONE) { |
| 592 | |
| 593 | /* Optionally, application may modify other stream settings here |
| 594 | * (such as jitter buffer parameters, codec ptime, etc.) |
| 595 | */ |
| 596 | si->jb_init = pjsua_var.media_cfg.jb_init; |
| 597 | si->jb_min_pre = pjsua_var.media_cfg.jb_min_pre; |
| 598 | si->jb_max_pre = pjsua_var.media_cfg.jb_max_pre; |
| 599 | si->jb_max = pjsua_var.media_cfg.jb_max; |
| 600 | |
| 601 | /* Set SSRC */ |
| 602 | si->ssrc = call_med->ssrc; |
| 603 | |
| 604 | /* Set RTP timestamp & sequence, normally these value are intialized |
| 605 | * automatically when stream session created, but for some cases (e.g: |
| 606 | * call reinvite, call update) timestamp and sequence need to be kept |
| 607 | * contigue. |
| 608 | */ |
| 609 | si->rtp_ts = call_med->rtp_tx_ts; |
| 610 | si->rtp_seq = call_med->rtp_tx_seq; |
| 611 | si->rtp_seq_ts_set = call_med->rtp_tx_seq_ts_set; |
| 612 | |
| 613 | #if defined(PJMEDIA_STREAM_ENABLE_KA) && PJMEDIA_STREAM_ENABLE_KA!=0 |
| 614 | /* Enable/disable stream keep-alive and NAT hole punch. */ |
| 615 | si->use_ka = pjsua_var.acc[call->acc_id].cfg.use_stream_ka; |
| 616 | #endif |
| 617 | |
| 618 | /* Create session based on session info. */ |
| 619 | status = pjmedia_stream_create(pjsua_var.med_endpt, NULL, si, |
| 620 | call_med->tp, NULL, |
| 621 | &call_med->strm.a.stream); |
| 622 | if (status != PJ_SUCCESS) { |
| 623 | goto on_return; |
| 624 | } |
| 625 | |
| 626 | /* Start stream */ |
| 627 | status = pjmedia_stream_start(call_med->strm.a.stream); |
| 628 | if (status != PJ_SUCCESS) { |
| 629 | goto on_return; |
| 630 | } |
| 631 | |
| 632 | if (call_med->prev_state == PJSUA_CALL_MEDIA_NONE) |
| 633 | pjmedia_stream_send_rtcp_sdes(call_med->strm.a.stream); |
| 634 | |
| 635 | /* If DTMF callback is installed by application, install our |
| 636 | * callback to the session. |
| 637 | */ |
| 638 | if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| 639 | pjmedia_stream_set_dtmf_callback(call_med->strm.a.stream, |
| 640 | &dtmf_callback, |
| 641 | (void*)(pj_ssize_t)(call->index)); |
| 642 | } |
| 643 | |
| 644 | /* Get the port interface of the first stream in the session. |
| 645 | * We need the port interface to add to the conference bridge. |
| 646 | */ |
| 647 | pjmedia_stream_get_port(call_med->strm.a.stream, &media_port); |
| 648 | |
| 649 | /* Notify application about stream creation. |
| 650 | * Note: application may modify media_port to point to different |
| 651 | * media port |
| 652 | */ |
| 653 | if (pjsua_var.ua_cfg.cb.on_stream_created) { |
| 654 | pjsua_var.ua_cfg.cb.on_stream_created(call->index, |
| 655 | call_med->strm.a.stream, |
| 656 | strm_idx, &media_port); |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | * Add the call to conference bridge. |
| 661 | */ |
| 662 | { |
| 663 | char tmp[PJSIP_MAX_URL_SIZE]; |
| 664 | pj_str_t port_name; |
| 665 | |
| 666 | port_name.ptr = tmp; |
| 667 | port_name.slen = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, |
| 668 | call->inv->dlg->remote.info->uri, |
| 669 | tmp, sizeof(tmp)); |
| 670 | if (port_name.slen < 1) { |
| 671 | port_name = pj_str("call"); |
| 672 | } |
| 673 | status = pjmedia_conf_add_port( pjsua_var.mconf, |
| 674 | call->inv->pool, |
| 675 | media_port, |
| 676 | &port_name, |
| 677 | (unsigned*) |
| 678 | &call_med->strm.a.conf_slot); |
| 679 | if (status != PJ_SUCCESS) { |
| 680 | goto on_return; |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | on_return: |
| 686 | pj_log_pop_indent(); |
| 687 | return status; |
| 688 | } |
| 689 | |
| 690 | |
| 691 | /* |
| 692 | * Get maxinum number of conference ports. |
| 693 | */ |
| 694 | PJ_DEF(unsigned) pjsua_conf_get_max_ports(void) |
| 695 | { |
| 696 | return pjsua_var.media_cfg.max_media_ports; |
| 697 | } |
| 698 | |
| 699 | |
| 700 | /* |
| 701 | * Get current number of active ports in the bridge. |
| 702 | */ |
| 703 | PJ_DEF(unsigned) pjsua_conf_get_active_ports(void) |
| 704 | { |
| 705 | unsigned ports[PJSUA_MAX_CONF_PORTS]; |
| 706 | unsigned count = PJ_ARRAY_SIZE(ports); |
| 707 | pj_status_t status; |
| 708 | |
| 709 | status = pjmedia_conf_enum_ports(pjsua_var.mconf, ports, &count); |
| 710 | if (status != PJ_SUCCESS) |
| 711 | count = 0; |
| 712 | |
| 713 | return count; |
| 714 | } |
| 715 | |
| 716 | |
| 717 | /* |
| 718 | * Enumerate all conference ports. |
| 719 | */ |
| 720 | PJ_DEF(pj_status_t) pjsua_enum_conf_ports(pjsua_conf_port_id id[], |
| 721 | unsigned *count) |
| 722 | { |
| 723 | return pjmedia_conf_enum_ports(pjsua_var.mconf, (unsigned*)id, count); |
| 724 | } |
| 725 | |
| 726 | |
| 727 | /* |
| 728 | * Get information about the specified conference port |
| 729 | */ |
| 730 | PJ_DEF(pj_status_t) pjsua_conf_get_port_info( pjsua_conf_port_id id, |
| 731 | pjsua_conf_port_info *info) |
| 732 | { |
| 733 | pjmedia_conf_port_info cinfo; |
| 734 | unsigned i; |
| 735 | pj_status_t status; |
| 736 | |
| 737 | status = pjmedia_conf_get_port_info( pjsua_var.mconf, id, &cinfo); |
| 738 | if (status != PJ_SUCCESS) |
| 739 | return status; |
| 740 | |
| 741 | pj_bzero(info, sizeof(*info)); |
| 742 | info->slot_id = id; |
| 743 | info->name = cinfo.name; |
| 744 | info->clock_rate = cinfo.clock_rate; |
| 745 | info->channel_count = cinfo.channel_count; |
| 746 | info->samples_per_frame = cinfo.samples_per_frame; |
| 747 | info->bits_per_sample = cinfo.bits_per_sample; |
| 748 | |
| 749 | /* Build array of listeners */ |
| 750 | info->listener_cnt = cinfo.listener_cnt; |
| 751 | for (i=0; i<cinfo.listener_cnt; ++i) { |
| 752 | info->listeners[i] = cinfo.listener_slots[i]; |
| 753 | } |
| 754 | |
| 755 | return PJ_SUCCESS; |
| 756 | } |
| 757 | |
| 758 | |
| 759 | /* |
| 760 | * Add arbitrary media port to PJSUA's conference bridge. |
| 761 | */ |
| 762 | PJ_DEF(pj_status_t) pjsua_conf_add_port( pj_pool_t *pool, |
| 763 | pjmedia_port *port, |
| 764 | pjsua_conf_port_id *p_id) |
| 765 | { |
| 766 | pj_status_t status; |
| 767 | |
| 768 | status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| 769 | port, NULL, (unsigned*)p_id); |
| 770 | if (status != PJ_SUCCESS) { |
| 771 | if (p_id) |
| 772 | *p_id = PJSUA_INVALID_ID; |
| 773 | } |
| 774 | |
| 775 | return status; |
| 776 | } |
| 777 | |
| 778 | |
| 779 | /* |
| 780 | * Remove arbitrary slot from the conference bridge. |
| 781 | */ |
| 782 | PJ_DEF(pj_status_t) pjsua_conf_remove_port(pjsua_conf_port_id id) |
| 783 | { |
| 784 | pj_status_t status; |
| 785 | |
| 786 | status = pjmedia_conf_remove_port(pjsua_var.mconf, (unsigned)id); |
| 787 | pjsua_check_snd_dev_idle(); |
| 788 | |
| 789 | return status; |
| 790 | } |
| 791 | |
| 792 | |
| 793 | /* |
| 794 | * Establish unidirectional media flow from souce to sink. |
| 795 | */ |
| 796 | PJ_DEF(pj_status_t) pjsua_conf_connect( pjsua_conf_port_id source, |
| 797 | pjsua_conf_port_id sink) |
| 798 | { |
| 799 | pj_status_t status = PJ_SUCCESS; |
| 800 | |
| 801 | PJ_LOG(4,(THIS_FILE, "%s connect: %d --> %d", |
| 802 | (pjsua_var.is_mswitch ? "Switch" : "Conf"), |
| 803 | source, sink)); |
| 804 | pj_log_push_indent(); |
| 805 | |
| 806 | PJSUA_LOCK(); |
| 807 | |
| 808 | /* If sound device idle timer is active, cancel it first. */ |
| 809 | if (pjsua_var.snd_idle_timer.id) { |
| 810 | pjsip_endpt_cancel_timer(pjsua_var.endpt, &pjsua_var.snd_idle_timer); |
| 811 | pjsua_var.snd_idle_timer.id = PJ_FALSE; |
| 812 | } |
| 813 | |
| 814 | |
| 815 | /* For audio switchboard (i.e. APS-Direct): |
| 816 | * Check if sound device need to be reopened, i.e: its attributes |
| 817 | * (format, clock rate, channel count) must match to peer's. |
| 818 | * Note that sound device can be reopened only if it doesn't have |
| 819 | * any connection. |
| 820 | */ |
| 821 | if (pjsua_var.is_mswitch) { |
| 822 | pjmedia_conf_port_info port0_info; |
| 823 | pjmedia_conf_port_info peer_info; |
| 824 | unsigned peer_id; |
| 825 | pj_bool_t need_reopen = PJ_FALSE; |
| 826 | |
| 827 | peer_id = (source!=0)? source : sink; |
| 828 | status = pjmedia_conf_get_port_info(pjsua_var.mconf, peer_id, |
| 829 | &peer_info); |
| 830 | pj_assert(status == PJ_SUCCESS); |
| 831 | |
| 832 | status = pjmedia_conf_get_port_info(pjsua_var.mconf, 0, &port0_info); |
| 833 | pj_assert(status == PJ_SUCCESS); |
| 834 | |
| 835 | /* Check if sound device is instantiated. */ |
| 836 | need_reopen = (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && |
| 837 | !pjsua_var.no_snd); |
| 838 | |
| 839 | /* Check if sound device need to reopen because it needs to modify |
| 840 | * settings to match its peer. Sound device must be idle in this case |
| 841 | * though. |
| 842 | */ |
| 843 | if (!need_reopen && |
| 844 | port0_info.listener_cnt==0 && port0_info.transmitter_cnt==0) |
| 845 | { |
| 846 | need_reopen = (peer_info.format.id != port0_info.format.id || |
| 847 | peer_info.format.det.aud.avg_bps != |
| 848 | port0_info.format.det.aud.avg_bps || |
| 849 | peer_info.clock_rate != port0_info.clock_rate || |
| 850 | peer_info.channel_count!=port0_info.channel_count); |
| 851 | } |
| 852 | |
| 853 | if (need_reopen) { |
| 854 | if (pjsua_var.cap_dev != NULL_SND_DEV_ID) { |
| 855 | pjmedia_snd_port_param param; |
| 856 | |
| 857 | pjmedia_snd_port_param_default(¶m); |
| 858 | param.ec_options = pjsua_var.media_cfg.ec_options; |
| 859 | |
| 860 | /* Create parameter based on peer info */ |
| 861 | status = create_aud_param(¶m.base, pjsua_var.cap_dev, |
| 862 | pjsua_var.play_dev, |
| 863 | peer_info.clock_rate, |
| 864 | peer_info.channel_count, |
| 865 | peer_info.samples_per_frame, |
| 866 | peer_info.bits_per_sample); |
| 867 | if (status != PJ_SUCCESS) { |
| 868 | pjsua_perror(THIS_FILE, "Error opening sound device", |
| 869 | status); |
| 870 | goto on_return; |
| 871 | } |
| 872 | |
| 873 | /* And peer format */ |
| 874 | if (peer_info.format.id != PJMEDIA_FORMAT_PCM) { |
| 875 | param.base.flags |= PJMEDIA_AUD_DEV_CAP_EXT_FORMAT; |
| 876 | param.base.ext_fmt = peer_info.format; |
| 877 | } |
| 878 | |
| 879 | param.options = 0; |
| 880 | status = open_snd_dev(¶m); |
| 881 | if (status != PJ_SUCCESS) { |
| 882 | pjsua_perror(THIS_FILE, "Error opening sound device", |
| 883 | status); |
| 884 | goto on_return; |
| 885 | } |
| 886 | } else { |
| 887 | /* Null-audio */ |
| 888 | status = pjsua_set_snd_dev(pjsua_var.cap_dev, |
| 889 | pjsua_var.play_dev); |
| 890 | if (status != PJ_SUCCESS) { |
| 891 | pjsua_perror(THIS_FILE, "Error opening sound device", |
| 892 | status); |
| 893 | goto on_return; |
| 894 | } |
| 895 | } |
| 896 | } else if (pjsua_var.no_snd) { |
| 897 | if (!pjsua_var.snd_is_on) { |
| 898 | pjsua_var.snd_is_on = PJ_TRUE; |
| 899 | /* Notify app */ |
| 900 | if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| 901 | (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| 902 | } |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | } else { |
| 907 | /* The bridge version */ |
| 908 | |
| 909 | /* Create sound port if none is instantiated */ |
| 910 | if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && |
| 911 | !pjsua_var.no_snd) |
| 912 | { |
| 913 | status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev); |
| 914 | if (status != PJ_SUCCESS) { |
| 915 | pjsua_perror(THIS_FILE, "Error opening sound device", status); |
| 916 | goto on_return; |
| 917 | } |
| 918 | } else if (pjsua_var.no_snd && !pjsua_var.snd_is_on) { |
| 919 | pjsua_var.snd_is_on = PJ_TRUE; |
| 920 | /* Notify app */ |
| 921 | if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| 922 | (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| 923 | } |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | on_return: |
| 928 | PJSUA_UNLOCK(); |
| 929 | |
| 930 | if (status == PJ_SUCCESS) { |
| 931 | status = pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0); |
| 932 | } |
| 933 | |
| 934 | pj_log_pop_indent(); |
| 935 | return status; |
| 936 | } |
| 937 | |
| 938 | |
| 939 | /* |
| 940 | * Disconnect media flow from the source to destination port. |
| 941 | */ |
| 942 | PJ_DEF(pj_status_t) pjsua_conf_disconnect( pjsua_conf_port_id source, |
| 943 | pjsua_conf_port_id sink) |
| 944 | { |
| 945 | pj_status_t status; |
| 946 | |
| 947 | PJ_LOG(4,(THIS_FILE, "%s disconnect: %d -x- %d", |
| 948 | (pjsua_var.is_mswitch ? "Switch" : "Conf"), |
| 949 | source, sink)); |
| 950 | pj_log_push_indent(); |
| 951 | |
| 952 | status = pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink); |
| 953 | pjsua_check_snd_dev_idle(); |
| 954 | |
| 955 | pj_log_pop_indent(); |
| 956 | return status; |
| 957 | } |
| 958 | |
| 959 | |
| 960 | /* |
| 961 | * Adjust the signal level to be transmitted from the bridge to the |
| 962 | * specified port by making it louder or quieter. |
| 963 | */ |
| 964 | PJ_DEF(pj_status_t) pjsua_conf_adjust_tx_level(pjsua_conf_port_id slot, |
| 965 | float level) |
| 966 | { |
| 967 | return pjmedia_conf_adjust_tx_level(pjsua_var.mconf, slot, |
| 968 | (int)((level-1) * 128)); |
| 969 | } |
| 970 | |
| 971 | /* |
| 972 | * Adjust the signal level to be received from the specified port (to |
| 973 | * the bridge) by making it louder or quieter. |
| 974 | */ |
| 975 | PJ_DEF(pj_status_t) pjsua_conf_adjust_rx_level(pjsua_conf_port_id slot, |
| 976 | float level) |
| 977 | { |
| 978 | return pjmedia_conf_adjust_rx_level(pjsua_var.mconf, slot, |
| 979 | (int)((level-1) * 128)); |
| 980 | } |
| 981 | |
| 982 | |
| 983 | /* |
| 984 | * Get last signal level transmitted to or received from the specified port. |
| 985 | */ |
| 986 | PJ_DEF(pj_status_t) pjsua_conf_get_signal_level(pjsua_conf_port_id slot, |
| 987 | unsigned *tx_level, |
| 988 | unsigned *rx_level) |
| 989 | { |
| 990 | return pjmedia_conf_get_signal_level(pjsua_var.mconf, slot, |
| 991 | tx_level, rx_level); |
| 992 | } |
| 993 | |
| 994 | /***************************************************************************** |
| 995 | * File player. |
| 996 | */ |
| 997 | |
| 998 | static char* get_basename(const char *path, unsigned len) |
| 999 | { |
| 1000 | char *p = ((char*)path) + len; |
| 1001 | |
| 1002 | if (len==0) |
| 1003 | return p; |
| 1004 | |
| 1005 | for (--p; p!=path && *p!='/' && *p!='\\'; ) --p; |
| 1006 | |
| 1007 | return (p==path) ? p : p+1; |
| 1008 | } |
| 1009 | |
| 1010 | |
| 1011 | /* |
| 1012 | * Create a file player, and automatically connect this player to |
| 1013 | * the conference bridge. |
| 1014 | */ |
| 1015 | PJ_DEF(pj_status_t) pjsua_player_create( const pj_str_t *filename, |
| 1016 | unsigned options, |
| 1017 | pjsua_player_id *p_id) |
| 1018 | { |
| 1019 | unsigned slot, file_id; |
| 1020 | char path[PJ_MAXPATH]; |
| 1021 | pj_pool_t *pool = NULL; |
| 1022 | pjmedia_port *port; |
| 1023 | pj_status_t status = PJ_SUCCESS; |
| 1024 | |
| 1025 | if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| 1026 | return PJ_ETOOMANY; |
| 1027 | |
| 1028 | PJ_LOG(4,(THIS_FILE, "Creating file player: %.*s..", |
| 1029 | (int)filename->slen, filename->ptr)); |
| 1030 | pj_log_push_indent(); |
| 1031 | |
| 1032 | PJSUA_LOCK(); |
| 1033 | |
| 1034 | for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) { |
| 1035 | if (pjsua_var.player[file_id].port == NULL) |
| 1036 | break; |
| 1037 | } |
| 1038 | |
| 1039 | if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) { |
| 1040 | /* This is unexpected */ |
| 1041 | pj_assert(0); |
| 1042 | status = PJ_EBUG; |
| 1043 | goto on_error; |
| 1044 | } |
| 1045 | |
| 1046 | pj_memcpy(path, filename->ptr, filename->slen); |
| 1047 | path[filename->slen] = '\0'; |
| 1048 | |
| 1049 | pool = pjsua_pool_create(get_basename(path, (unsigned)filename->slen), 1000, |
| 1050 | 1000); |
| 1051 | if (!pool) { |
| 1052 | status = PJ_ENOMEM; |
| 1053 | goto on_error; |
| 1054 | } |
| 1055 | |
| 1056 | status = pjmedia_wav_player_port_create( |
| 1057 | pool, path, |
| 1058 | pjsua_var.mconf_cfg.samples_per_frame * |
| 1059 | 1000 / pjsua_var.media_cfg.channel_count / |
| 1060 | pjsua_var.media_cfg.clock_rate, |
| 1061 | options, 0, &port); |
| 1062 | if (status != PJ_SUCCESS) { |
| 1063 | pjsua_perror(THIS_FILE, "Unable to open file for playback", status); |
| 1064 | goto on_error; |
| 1065 | } |
| 1066 | |
| 1067 | status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| 1068 | port, filename, &slot); |
| 1069 | if (status != PJ_SUCCESS) { |
| 1070 | pjmedia_port_destroy(port); |
| 1071 | pjsua_perror(THIS_FILE, "Unable to add file to conference bridge", |
| 1072 | status); |
| 1073 | goto on_error; |
| 1074 | } |
| 1075 | |
| 1076 | pjsua_var.player[file_id].type = 0; |
| 1077 | pjsua_var.player[file_id].pool = pool; |
| 1078 | pjsua_var.player[file_id].port = port; |
| 1079 | pjsua_var.player[file_id].slot = slot; |
| 1080 | |
| 1081 | if (p_id) *p_id = file_id; |
| 1082 | |
| 1083 | ++pjsua_var.player_cnt; |
| 1084 | |
| 1085 | PJSUA_UNLOCK(); |
| 1086 | |
| 1087 | PJ_LOG(4,(THIS_FILE, "Player created, id=%d, slot=%d", file_id, slot)); |
| 1088 | |
| 1089 | pj_log_pop_indent(); |
| 1090 | return PJ_SUCCESS; |
| 1091 | |
| 1092 | on_error: |
| 1093 | PJSUA_UNLOCK(); |
| 1094 | if (pool) pj_pool_release(pool); |
| 1095 | pj_log_pop_indent(); |
| 1096 | return status; |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | /* |
| 1101 | * Create a file playlist media port, and automatically add the port |
| 1102 | * to the conference bridge. |
| 1103 | */ |
| 1104 | PJ_DEF(pj_status_t) pjsua_playlist_create( const pj_str_t file_names[], |
| 1105 | unsigned file_count, |
| 1106 | const pj_str_t *label, |
| 1107 | unsigned options, |
| 1108 | pjsua_player_id *p_id) |
| 1109 | { |
| 1110 | unsigned slot, file_id, ptime; |
| 1111 | pj_pool_t *pool = NULL; |
| 1112 | pjmedia_port *port; |
| 1113 | pj_status_t status = PJ_SUCCESS; |
| 1114 | |
| 1115 | if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| 1116 | return PJ_ETOOMANY; |
| 1117 | |
| 1118 | PJ_LOG(4,(THIS_FILE, "Creating playlist with %d file(s)..", file_count)); |
| 1119 | pj_log_push_indent(); |
| 1120 | |
| 1121 | PJSUA_LOCK(); |
| 1122 | |
| 1123 | for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) { |
| 1124 | if (pjsua_var.player[file_id].port == NULL) |
| 1125 | break; |
| 1126 | } |
| 1127 | |
| 1128 | if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) { |
| 1129 | /* This is unexpected */ |
| 1130 | pj_assert(0); |
| 1131 | status = PJ_EBUG; |
| 1132 | goto on_error; |
| 1133 | } |
| 1134 | |
| 1135 | |
| 1136 | ptime = pjsua_var.mconf_cfg.samples_per_frame * 1000 / |
| 1137 | pjsua_var.media_cfg.clock_rate; |
| 1138 | |
| 1139 | pool = pjsua_pool_create("playlist", 1000, 1000); |
| 1140 | if (!pool) { |
| 1141 | status = PJ_ENOMEM; |
| 1142 | goto on_error; |
| 1143 | } |
| 1144 | |
| 1145 | status = pjmedia_wav_playlist_create(pool, label, |
| 1146 | file_names, file_count, |
| 1147 | ptime, options, 0, &port); |
| 1148 | if (status != PJ_SUCCESS) { |
| 1149 | pjsua_perror(THIS_FILE, "Unable to create playlist", status); |
| 1150 | goto on_error; |
| 1151 | } |
| 1152 | |
| 1153 | status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| 1154 | port, &port->info.name, &slot); |
| 1155 | if (status != PJ_SUCCESS) { |
| 1156 | pjmedia_port_destroy(port); |
| 1157 | pjsua_perror(THIS_FILE, "Unable to add port", status); |
| 1158 | goto on_error; |
| 1159 | } |
| 1160 | |
| 1161 | pjsua_var.player[file_id].type = 1; |
| 1162 | pjsua_var.player[file_id].pool = pool; |
| 1163 | pjsua_var.player[file_id].port = port; |
| 1164 | pjsua_var.player[file_id].slot = slot; |
| 1165 | |
| 1166 | if (p_id) *p_id = file_id; |
| 1167 | |
| 1168 | ++pjsua_var.player_cnt; |
| 1169 | |
| 1170 | PJSUA_UNLOCK(); |
| 1171 | |
| 1172 | PJ_LOG(4,(THIS_FILE, "Playlist created, id=%d, slot=%d", file_id, slot)); |
| 1173 | |
| 1174 | pj_log_pop_indent(); |
| 1175 | |
| 1176 | return PJ_SUCCESS; |
| 1177 | |
| 1178 | on_error: |
| 1179 | PJSUA_UNLOCK(); |
| 1180 | if (pool) pj_pool_release(pool); |
| 1181 | pj_log_pop_indent(); |
| 1182 | |
| 1183 | return status; |
| 1184 | } |
| 1185 | |
| 1186 | |
| 1187 | /* |
| 1188 | * Get conference port ID associated with player. |
| 1189 | */ |
| 1190 | PJ_DEF(pjsua_conf_port_id) pjsua_player_get_conf_port(pjsua_player_id id) |
| 1191 | { |
| 1192 | PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 1193 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 1194 | |
| 1195 | return pjsua_var.player[id].slot; |
| 1196 | } |
| 1197 | |
| 1198 | /* |
| 1199 | * Get the media port for the player. |
| 1200 | */ |
| 1201 | PJ_DEF(pj_status_t) pjsua_player_get_port( pjsua_player_id id, |
| 1202 | pjmedia_port **p_port) |
| 1203 | { |
| 1204 | PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 1205 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 1206 | PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL); |
| 1207 | |
| 1208 | *p_port = pjsua_var.player[id].port; |
| 1209 | |
| 1210 | return PJ_SUCCESS; |
| 1211 | } |
| 1212 | |
| 1213 | /* |
| 1214 | * Set playback position. |
| 1215 | */ |
| 1216 | PJ_DEF(pj_status_t) pjsua_player_set_pos( pjsua_player_id id, |
| 1217 | pj_uint32_t samples) |
| 1218 | { |
| 1219 | PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 1220 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 1221 | PJ_ASSERT_RETURN(pjsua_var.player[id].type == 0, PJ_EINVAL); |
| 1222 | |
| 1223 | return pjmedia_wav_player_port_set_pos(pjsua_var.player[id].port, samples); |
| 1224 | } |
| 1225 | |
| 1226 | |
| 1227 | /* |
| 1228 | * Close the file, remove the player from the bridge, and free |
| 1229 | * resources associated with the file player. |
| 1230 | */ |
| 1231 | PJ_DEF(pj_status_t) pjsua_player_destroy(pjsua_player_id id) |
| 1232 | { |
| 1233 | PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 1234 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 1235 | |
| 1236 | PJ_LOG(4,(THIS_FILE, "Destroying player %d..", id)); |
| 1237 | pj_log_push_indent(); |
| 1238 | |
| 1239 | PJSUA_LOCK(); |
| 1240 | |
| 1241 | if (pjsua_var.player[id].port) { |
| 1242 | pjsua_conf_remove_port(pjsua_var.player[id].slot); |
| 1243 | pjmedia_port_destroy(pjsua_var.player[id].port); |
| 1244 | pjsua_var.player[id].port = NULL; |
| 1245 | pjsua_var.player[id].slot = 0xFFFF; |
| 1246 | pj_pool_release(pjsua_var.player[id].pool); |
| 1247 | pjsua_var.player[id].pool = NULL; |
| 1248 | pjsua_var.player_cnt--; |
| 1249 | } |
| 1250 | |
| 1251 | PJSUA_UNLOCK(); |
| 1252 | pj_log_pop_indent(); |
| 1253 | |
| 1254 | return PJ_SUCCESS; |
| 1255 | } |
| 1256 | |
| 1257 | |
| 1258 | /***************************************************************************** |
| 1259 | * File recorder. |
| 1260 | */ |
| 1261 | |
| 1262 | /* |
| 1263 | * Create a file recorder, and automatically connect this recorder to |
| 1264 | * the conference bridge. |
| 1265 | */ |
| 1266 | PJ_DEF(pj_status_t) pjsua_recorder_create( const pj_str_t *filename, |
| 1267 | unsigned enc_type, |
| 1268 | void *enc_param, |
| 1269 | pj_ssize_t max_size, |
| 1270 | unsigned options, |
| 1271 | pjsua_recorder_id *p_id) |
| 1272 | { |
| 1273 | enum Format |
| 1274 | { |
| 1275 | FMT_UNKNOWN, |
| 1276 | FMT_WAV, |
| 1277 | FMT_MP3, |
| 1278 | }; |
| 1279 | unsigned slot, file_id; |
| 1280 | char path[PJ_MAXPATH]; |
| 1281 | pj_str_t ext; |
| 1282 | int file_format; |
| 1283 | pj_pool_t *pool = NULL; |
| 1284 | pjmedia_port *port; |
| 1285 | pj_status_t status = PJ_SUCCESS; |
| 1286 | |
| 1287 | /* Filename must present */ |
| 1288 | PJ_ASSERT_RETURN(filename != NULL, PJ_EINVAL); |
| 1289 | |
| 1290 | /* Don't support max_size at present */ |
| 1291 | PJ_ASSERT_RETURN(max_size == 0 || max_size == -1, PJ_EINVAL); |
| 1292 | |
| 1293 | /* Don't support encoding type at present */ |
| 1294 | PJ_ASSERT_RETURN(enc_type == 0, PJ_EINVAL); |
| 1295 | |
| 1296 | PJ_LOG(4,(THIS_FILE, "Creating recorder %.*s..", |
| 1297 | (int)filename->slen, filename->ptr)); |
| 1298 | pj_log_push_indent(); |
| 1299 | |
| 1300 | if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) { |
| 1301 | pj_log_pop_indent(); |
| 1302 | return PJ_ETOOMANY; |
| 1303 | } |
| 1304 | |
| 1305 | /* Determine the file format */ |
| 1306 | ext.ptr = filename->ptr + filename->slen - 4; |
| 1307 | ext.slen = 4; |
| 1308 | |
| 1309 | if (pj_stricmp2(&ext, ".wav") == 0) |
| 1310 | file_format = FMT_WAV; |
| 1311 | else if (pj_stricmp2(&ext, ".mp3") == 0) |
| 1312 | file_format = FMT_MP3; |
| 1313 | else { |
| 1314 | PJ_LOG(1,(THIS_FILE, "pjsua_recorder_create() error: unable to " |
| 1315 | "determine file format for %.*s", |
| 1316 | (int)filename->slen, filename->ptr)); |
| 1317 | pj_log_pop_indent(); |
| 1318 | return PJ_ENOTSUP; |
| 1319 | } |
| 1320 | |
| 1321 | PJSUA_LOCK(); |
| 1322 | |
| 1323 | for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.recorder); ++file_id) { |
| 1324 | if (pjsua_var.recorder[file_id].port == NULL) |
| 1325 | break; |
| 1326 | } |
| 1327 | |
| 1328 | if (file_id == PJ_ARRAY_SIZE(pjsua_var.recorder)) { |
| 1329 | /* This is unexpected */ |
| 1330 | pj_assert(0); |
| 1331 | status = PJ_EBUG; |
| 1332 | goto on_return; |
| 1333 | } |
| 1334 | |
| 1335 | pj_memcpy(path, filename->ptr, filename->slen); |
| 1336 | path[filename->slen] = '\0'; |
| 1337 | |
| 1338 | pool = pjsua_pool_create(get_basename(path, (unsigned)filename->slen), 1000, |
| 1339 | 1000); |
| 1340 | if (!pool) { |
| 1341 | status = PJ_ENOMEM; |
| 1342 | goto on_return; |
| 1343 | } |
| 1344 | |
| 1345 | if (file_format == FMT_WAV) { |
| 1346 | status = pjmedia_wav_writer_port_create(pool, path, |
| 1347 | pjsua_var.media_cfg.clock_rate, |
| 1348 | pjsua_var.mconf_cfg.channel_count, |
| 1349 | pjsua_var.mconf_cfg.samples_per_frame, |
| 1350 | pjsua_var.mconf_cfg.bits_per_sample, |
| 1351 | options, 0, &port); |
| 1352 | } else { |
| 1353 | PJ_UNUSED_ARG(enc_param); |
| 1354 | port = NULL; |
| 1355 | status = PJ_ENOTSUP; |
| 1356 | } |
| 1357 | |
| 1358 | if (status != PJ_SUCCESS) { |
| 1359 | pjsua_perror(THIS_FILE, "Unable to open file for recording", status); |
| 1360 | goto on_return; |
| 1361 | } |
| 1362 | |
| 1363 | status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| 1364 | port, filename, &slot); |
| 1365 | if (status != PJ_SUCCESS) { |
| 1366 | pjmedia_port_destroy(port); |
| 1367 | goto on_return; |
| 1368 | } |
| 1369 | |
| 1370 | pjsua_var.recorder[file_id].port = port; |
| 1371 | pjsua_var.recorder[file_id].slot = slot; |
| 1372 | pjsua_var.recorder[file_id].pool = pool; |
| 1373 | |
| 1374 | if (p_id) *p_id = file_id; |
| 1375 | |
| 1376 | ++pjsua_var.rec_cnt; |
| 1377 | |
| 1378 | PJSUA_UNLOCK(); |
| 1379 | |
| 1380 | PJ_LOG(4,(THIS_FILE, "Recorder created, id=%d, slot=%d", file_id, slot)); |
| 1381 | |
| 1382 | pj_log_pop_indent(); |
| 1383 | return PJ_SUCCESS; |
| 1384 | |
| 1385 | on_return: |
| 1386 | PJSUA_UNLOCK(); |
| 1387 | if (pool) pj_pool_release(pool); |
| 1388 | pj_log_pop_indent(); |
| 1389 | return status; |
| 1390 | } |
| 1391 | |
| 1392 | |
| 1393 | /* |
| 1394 | * Get conference port associated with recorder. |
| 1395 | */ |
| 1396 | PJ_DEF(pjsua_conf_port_id) pjsua_recorder_get_conf_port(pjsua_recorder_id id) |
| 1397 | { |
| 1398 | PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| 1399 | PJ_EINVAL); |
| 1400 | PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| 1401 | |
| 1402 | return pjsua_var.recorder[id].slot; |
| 1403 | } |
| 1404 | |
| 1405 | /* |
| 1406 | * Get the media port for the recorder. |
| 1407 | */ |
| 1408 | PJ_DEF(pj_status_t) pjsua_recorder_get_port( pjsua_recorder_id id, |
| 1409 | pjmedia_port **p_port) |
| 1410 | { |
| 1411 | PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| 1412 | PJ_EINVAL); |
| 1413 | PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| 1414 | PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL); |
| 1415 | |
| 1416 | *p_port = pjsua_var.recorder[id].port; |
| 1417 | return PJ_SUCCESS; |
| 1418 | } |
| 1419 | |
| 1420 | /* |
| 1421 | * Destroy recorder (this will complete recording). |
| 1422 | */ |
| 1423 | PJ_DEF(pj_status_t) pjsua_recorder_destroy(pjsua_recorder_id id) |
| 1424 | { |
| 1425 | PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| 1426 | PJ_EINVAL); |
| 1427 | PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| 1428 | |
| 1429 | PJ_LOG(4,(THIS_FILE, "Destroying recorder %d..", id)); |
| 1430 | pj_log_push_indent(); |
| 1431 | |
| 1432 | PJSUA_LOCK(); |
| 1433 | |
| 1434 | if (pjsua_var.recorder[id].port) { |
| 1435 | pjsua_conf_remove_port(pjsua_var.recorder[id].slot); |
| 1436 | pjmedia_port_destroy(pjsua_var.recorder[id].port); |
| 1437 | pjsua_var.recorder[id].port = NULL; |
| 1438 | pjsua_var.recorder[id].slot = 0xFFFF; |
| 1439 | pj_pool_release(pjsua_var.recorder[id].pool); |
| 1440 | pjsua_var.recorder[id].pool = NULL; |
| 1441 | pjsua_var.rec_cnt--; |
| 1442 | } |
| 1443 | |
| 1444 | PJSUA_UNLOCK(); |
| 1445 | pj_log_pop_indent(); |
| 1446 | |
| 1447 | return PJ_SUCCESS; |
| 1448 | } |
| 1449 | |
| 1450 | |
| 1451 | /***************************************************************************** |
| 1452 | * Sound devices. |
| 1453 | */ |
| 1454 | |
| 1455 | /* |
| 1456 | * Enum sound devices. |
| 1457 | */ |
| 1458 | |
| 1459 | PJ_DEF(pj_status_t) pjsua_enum_aud_devs( pjmedia_aud_dev_info info[], |
| 1460 | unsigned *count) |
| 1461 | { |
| 1462 | unsigned i, dev_count; |
| 1463 | |
| 1464 | dev_count = pjmedia_aud_dev_count(); |
| 1465 | |
| 1466 | if (dev_count > *count) dev_count = *count; |
| 1467 | |
| 1468 | for (i=0; i<dev_count; ++i) { |
| 1469 | pj_status_t status; |
| 1470 | |
| 1471 | status = pjmedia_aud_dev_get_info(i, &info[i]); |
| 1472 | if (status != PJ_SUCCESS) |
| 1473 | return status; |
| 1474 | } |
| 1475 | |
| 1476 | *count = dev_count; |
| 1477 | |
| 1478 | return PJ_SUCCESS; |
| 1479 | } |
| 1480 | |
| 1481 | |
| 1482 | PJ_DEF(pj_status_t) pjsua_enum_snd_devs( pjmedia_snd_dev_info info[], |
| 1483 | unsigned *count) |
| 1484 | { |
| 1485 | unsigned i, dev_count; |
| 1486 | |
| 1487 | dev_count = pjmedia_aud_dev_count(); |
| 1488 | |
| 1489 | if (dev_count > *count) dev_count = *count; |
| 1490 | pj_bzero(info, dev_count * sizeof(pjmedia_snd_dev_info)); |
| 1491 | |
| 1492 | for (i=0; i<dev_count; ++i) { |
| 1493 | pjmedia_aud_dev_info ai; |
| 1494 | pj_status_t status; |
| 1495 | |
| 1496 | status = pjmedia_aud_dev_get_info(i, &ai); |
| 1497 | if (status != PJ_SUCCESS) |
| 1498 | return status; |
| 1499 | |
| 1500 | strncpy(info[i].name, ai.name, sizeof(info[i].name)); |
| 1501 | info[i].name[sizeof(info[i].name)-1] = '\0'; |
| 1502 | info[i].input_count = ai.input_count; |
| 1503 | info[i].output_count = ai.output_count; |
| 1504 | info[i].default_samples_per_sec = ai.default_samples_per_sec; |
| 1505 | } |
| 1506 | |
| 1507 | *count = dev_count; |
| 1508 | |
| 1509 | return PJ_SUCCESS; |
| 1510 | } |
| 1511 | |
| 1512 | /* Create audio device parameter to open the device */ |
| 1513 | static pj_status_t create_aud_param(pjmedia_aud_param *param, |
| 1514 | pjmedia_aud_dev_index capture_dev, |
| 1515 | pjmedia_aud_dev_index playback_dev, |
| 1516 | unsigned clock_rate, |
| 1517 | unsigned channel_count, |
| 1518 | unsigned samples_per_frame, |
| 1519 | unsigned bits_per_sample) |
| 1520 | { |
| 1521 | pj_status_t status; |
| 1522 | |
| 1523 | /* Normalize device ID with new convention about default device ID */ |
| 1524 | if (playback_dev == PJMEDIA_AUD_DEFAULT_CAPTURE_DEV) |
| 1525 | playback_dev = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; |
| 1526 | |
| 1527 | /* Create default parameters for the device */ |
| 1528 | status = pjmedia_aud_dev_default_param(capture_dev, param); |
| 1529 | if (status != PJ_SUCCESS) { |
| 1530 | pjsua_perror(THIS_FILE, "Error retrieving default audio " |
| 1531 | "device parameters", status); |
| 1532 | return status; |
| 1533 | } |
| 1534 | param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| 1535 | param->rec_id = capture_dev; |
| 1536 | param->play_id = playback_dev; |
| 1537 | param->clock_rate = clock_rate; |
| 1538 | param->channel_count = channel_count; |
| 1539 | param->samples_per_frame = samples_per_frame; |
| 1540 | param->bits_per_sample = bits_per_sample; |
| 1541 | |
| 1542 | /* Update the setting with user preference */ |
| 1543 | #define update_param(cap, field) \ |
| 1544 | if (pjsua_var.aud_param.flags & cap) { \ |
| 1545 | param->flags |= cap; \ |
| 1546 | param->field = pjsua_var.aud_param.field; \ |
| 1547 | } |
| 1548 | update_param( PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, input_vol); |
| 1549 | update_param( PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, output_vol); |
| 1550 | update_param( PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE, input_route); |
| 1551 | update_param( PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, output_route); |
| 1552 | #undef update_param |
| 1553 | |
| 1554 | /* Latency settings */ |
| 1555 | param->flags |= (PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | |
| 1556 | PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY); |
| 1557 | param->input_latency_ms = pjsua_var.media_cfg.snd_rec_latency; |
| 1558 | param->output_latency_ms = pjsua_var.media_cfg.snd_play_latency; |
| 1559 | |
| 1560 | /* EC settings */ |
| 1561 | if (pjsua_var.media_cfg.ec_tail_len) { |
| 1562 | param->flags |= (PJMEDIA_AUD_DEV_CAP_EC | PJMEDIA_AUD_DEV_CAP_EC_TAIL); |
| 1563 | param->ec_enabled = PJ_TRUE; |
| 1564 | param->ec_tail_ms = pjsua_var.media_cfg.ec_tail_len; |
| 1565 | } else { |
| 1566 | param->flags &= ~(PJMEDIA_AUD_DEV_CAP_EC|PJMEDIA_AUD_DEV_CAP_EC_TAIL); |
| 1567 | } |
| 1568 | |
| 1569 | /* VAD settings */ |
| 1570 | if (pjsua_var.media_cfg.no_vad) { |
| 1571 | param->flags &= ~PJMEDIA_AUD_DEV_CAP_VAD; |
| 1572 | } else { |
| 1573 | param->flags |= PJMEDIA_AUD_DEV_CAP_VAD; |
| 1574 | param->vad_enabled = PJ_TRUE; |
| 1575 | } |
| 1576 | |
| 1577 | return PJ_SUCCESS; |
| 1578 | } |
| 1579 | |
| 1580 | /* Internal: the first time the audio device is opened (during app |
| 1581 | * startup), retrieve the audio settings such as volume level |
| 1582 | * so that aud_get_settings() will work. |
| 1583 | */ |
| 1584 | static pj_status_t update_initial_aud_param() |
| 1585 | { |
| 1586 | pjmedia_aud_stream *strm; |
| 1587 | pjmedia_aud_param param; |
| 1588 | pj_status_t status; |
| 1589 | |
| 1590 | PJ_ASSERT_RETURN(pjsua_var.snd_port != NULL, PJ_EBUG); |
| 1591 | |
| 1592 | strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| 1593 | |
| 1594 | status = pjmedia_aud_stream_get_param(strm, ¶m); |
| 1595 | if (status != PJ_SUCCESS) { |
| 1596 | pjsua_perror(THIS_FILE, "Error audio stream " |
| 1597 | "device parameters", status); |
| 1598 | return status; |
| 1599 | } |
| 1600 | |
| 1601 | #define update_saved_param(cap, field) \ |
| 1602 | if (param.flags & cap) { \ |
| 1603 | pjsua_var.aud_param.flags |= cap; \ |
| 1604 | pjsua_var.aud_param.field = param.field; \ |
| 1605 | } |
| 1606 | |
| 1607 | update_saved_param(PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, input_vol); |
| 1608 | update_saved_param(PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, output_vol); |
| 1609 | update_saved_param(PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE, input_route); |
| 1610 | update_saved_param(PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, output_route); |
| 1611 | #undef update_saved_param |
| 1612 | |
| 1613 | return PJ_SUCCESS; |
| 1614 | } |
| 1615 | |
| 1616 | /* Get format name */ |
| 1617 | static const char *get_fmt_name(pj_uint32_t id) |
| 1618 | { |
| 1619 | static char name[8]; |
| 1620 | |
| 1621 | if (id == PJMEDIA_FORMAT_L16) |
| 1622 | return "PCM"; |
| 1623 | pj_memcpy(name, &id, 4); |
| 1624 | name[4] = '\0'; |
| 1625 | return name; |
| 1626 | } |
| 1627 | |
| 1628 | /* Open sound device with the setting. */ |
| 1629 | static pj_status_t open_snd_dev(pjmedia_snd_port_param *param) |
| 1630 | { |
| 1631 | pjmedia_port *conf_port; |
| 1632 | pj_status_t status; |
| 1633 | |
| 1634 | PJ_ASSERT_RETURN(param, PJ_EINVAL); |
| 1635 | |
| 1636 | /* Check if NULL sound device is used */ |
| 1637 | if (NULL_SND_DEV_ID==param->base.rec_id || |
| 1638 | NULL_SND_DEV_ID==param->base.play_id) |
| 1639 | { |
| 1640 | return pjsua_set_null_snd_dev(); |
| 1641 | } |
| 1642 | |
| 1643 | /* Close existing sound port */ |
| 1644 | close_snd_dev(); |
| 1645 | |
| 1646 | /* Notify app */ |
| 1647 | if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| 1648 | (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| 1649 | } |
| 1650 | |
| 1651 | /* Create memory pool for sound device. */ |
| 1652 | pjsua_var.snd_pool = pjsua_pool_create("pjsua_snd", 4000, 4000); |
| 1653 | PJ_ASSERT_RETURN(pjsua_var.snd_pool, PJ_ENOMEM); |
| 1654 | |
| 1655 | |
| 1656 | PJ_LOG(4,(THIS_FILE, "Opening sound device %s@%d/%d/%dms", |
| 1657 | get_fmt_name(param->base.ext_fmt.id), |
| 1658 | param->base.clock_rate, param->base.channel_count, |
| 1659 | param->base.samples_per_frame / param->base.channel_count * |
| 1660 | 1000 / param->base.clock_rate)); |
| 1661 | pj_log_push_indent(); |
| 1662 | |
| 1663 | status = pjmedia_snd_port_create2( pjsua_var.snd_pool, |
| 1664 | param, &pjsua_var.snd_port); |
| 1665 | if (status != PJ_SUCCESS) |
| 1666 | goto on_error; |
| 1667 | |
| 1668 | /* Get the port0 of the conference bridge. */ |
| 1669 | conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| 1670 | pj_assert(conf_port != NULL); |
| 1671 | |
| 1672 | /* For conference bridge, resample if necessary if the bridge's |
| 1673 | * clock rate is different than the sound device's clock rate. |
| 1674 | */ |
| 1675 | if (!pjsua_var.is_mswitch && |
| 1676 | param->base.ext_fmt.id == PJMEDIA_FORMAT_PCM && |
| 1677 | PJMEDIA_PIA_SRATE(&conf_port->info) != param->base.clock_rate) |
| 1678 | { |
| 1679 | pjmedia_port *resample_port; |
| 1680 | unsigned resample_opt = 0; |
| 1681 | |
| 1682 | if (pjsua_var.media_cfg.quality >= 3 && |
| 1683 | pjsua_var.media_cfg.quality <= 4) |
| 1684 | { |
| 1685 | resample_opt |= PJMEDIA_RESAMPLE_USE_SMALL_FILTER; |
| 1686 | } |
| 1687 | else if (pjsua_var.media_cfg.quality < 3) { |
| 1688 | resample_opt |= PJMEDIA_RESAMPLE_USE_LINEAR; |
| 1689 | } |
| 1690 | |
| 1691 | status = pjmedia_resample_port_create(pjsua_var.snd_pool, |
| 1692 | conf_port, |
| 1693 | param->base.clock_rate, |
| 1694 | resample_opt, |
| 1695 | &resample_port); |
| 1696 | if (status != PJ_SUCCESS) { |
| 1697 | char errmsg[PJ_ERR_MSG_SIZE]; |
| 1698 | pj_strerror(status, errmsg, sizeof(errmsg)); |
| 1699 | PJ_LOG(4, (THIS_FILE, |
| 1700 | "Error creating resample port: %s", |
| 1701 | errmsg)); |
| 1702 | close_snd_dev(); |
| 1703 | goto on_error; |
| 1704 | } |
| 1705 | |
| 1706 | conf_port = resample_port; |
| 1707 | } |
| 1708 | |
| 1709 | /* Otherwise for audio switchboard, the switch's port0 setting is |
| 1710 | * derived from the sound device setting, so update the setting. |
| 1711 | */ |
| 1712 | if (pjsua_var.is_mswitch) { |
| 1713 | if (param->base.flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT) { |
| 1714 | conf_port->info.fmt = param->base.ext_fmt; |
| 1715 | } else { |
| 1716 | unsigned bps, ptime_usec; |
| 1717 | bps = param->base.clock_rate * param->base.bits_per_sample; |
| 1718 | ptime_usec = param->base.samples_per_frame / |
| 1719 | param->base.channel_count * 1000000 / |
| 1720 | param->base.clock_rate; |
| 1721 | pjmedia_format_init_audio(&conf_port->info.fmt, |
| 1722 | PJMEDIA_FORMAT_PCM, |
| 1723 | param->base.clock_rate, |
| 1724 | param->base.channel_count, |
| 1725 | param->base.bits_per_sample, |
| 1726 | ptime_usec, |
| 1727 | bps, bps); |
| 1728 | } |
| 1729 | } |
| 1730 | |
| 1731 | |
| 1732 | /* Connect sound port to the bridge */ |
| 1733 | status = pjmedia_snd_port_connect(pjsua_var.snd_port, |
| 1734 | conf_port ); |
| 1735 | if (status != PJ_SUCCESS) { |
| 1736 | pjsua_perror(THIS_FILE, "Unable to connect conference port to " |
| 1737 | "sound device", status); |
| 1738 | pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| 1739 | pjsua_var.snd_port = NULL; |
| 1740 | goto on_error; |
| 1741 | } |
| 1742 | |
| 1743 | /* Save the device IDs */ |
| 1744 | pjsua_var.cap_dev = param->base.rec_id; |
| 1745 | pjsua_var.play_dev = param->base.play_id; |
| 1746 | |
| 1747 | /* Update sound device name. */ |
| 1748 | { |
| 1749 | pjmedia_aud_dev_info rec_info; |
| 1750 | pjmedia_aud_stream *strm; |
| 1751 | pjmedia_aud_param si; |
| 1752 | pj_str_t tmp; |
| 1753 | |
| 1754 | strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| 1755 | status = pjmedia_aud_stream_get_param(strm, &si); |
| 1756 | if (status == PJ_SUCCESS) |
| 1757 | status = pjmedia_aud_dev_get_info(si.rec_id, &rec_info); |
| 1758 | |
| 1759 | if (status==PJ_SUCCESS) { |
| 1760 | if (param->base.clock_rate != pjsua_var.media_cfg.clock_rate) { |
| 1761 | char tmp_buf[128]; |
| 1762 | int tmp_buf_len = sizeof(tmp_buf); |
| 1763 | |
| 1764 | tmp_buf_len = pj_ansi_snprintf(tmp_buf, sizeof(tmp_buf)-1, |
| 1765 | "%s (%dKHz)", |
| 1766 | rec_info.name, |
| 1767 | param->base.clock_rate/1000); |
| 1768 | pj_strset(&tmp, tmp_buf, tmp_buf_len); |
| 1769 | pjmedia_conf_set_port0_name(pjsua_var.mconf, &tmp); |
| 1770 | } else { |
| 1771 | pjmedia_conf_set_port0_name(pjsua_var.mconf, |
| 1772 | pj_cstr(&tmp, rec_info.name)); |
| 1773 | } |
| 1774 | } |
| 1775 | |
| 1776 | /* Any error is not major, let it through */ |
| 1777 | status = PJ_SUCCESS; |
| 1778 | } |
| 1779 | |
| 1780 | /* If this is the first time the audio device is open, retrieve some |
| 1781 | * settings from the device (such as volume settings) so that the |
| 1782 | * pjsua_snd_get_setting() work. |
| 1783 | */ |
| 1784 | if (pjsua_var.aud_open_cnt == 0) { |
| 1785 | update_initial_aud_param(); |
| 1786 | ++pjsua_var.aud_open_cnt; |
| 1787 | } |
| 1788 | |
| 1789 | pjsua_var.snd_is_on = PJ_TRUE; |
| 1790 | |
| 1791 | pj_log_pop_indent(); |
| 1792 | return PJ_SUCCESS; |
| 1793 | |
| 1794 | on_error: |
| 1795 | pj_log_pop_indent(); |
| 1796 | return status; |
| 1797 | } |
| 1798 | |
| 1799 | |
| 1800 | /* Close existing sound device */ |
| 1801 | static void close_snd_dev(void) |
| 1802 | { |
| 1803 | pj_log_push_indent(); |
| 1804 | |
| 1805 | /* Notify app */ |
| 1806 | if (pjsua_var.snd_is_on && pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| 1807 | (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(0); |
| 1808 | } |
| 1809 | |
| 1810 | /* Close sound device */ |
| 1811 | if (pjsua_var.snd_port) { |
| 1812 | pjmedia_aud_dev_info cap_info, play_info; |
| 1813 | pjmedia_aud_stream *strm; |
| 1814 | pjmedia_aud_param param; |
| 1815 | |
| 1816 | strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| 1817 | pjmedia_aud_stream_get_param(strm, ¶m); |
| 1818 | |
| 1819 | if (pjmedia_aud_dev_get_info(param.rec_id, &cap_info) != PJ_SUCCESS) |
| 1820 | cap_info.name[0] = '\0'; |
| 1821 | if (pjmedia_aud_dev_get_info(param.play_id, &play_info) != PJ_SUCCESS) |
| 1822 | play_info.name[0] = '\0'; |
| 1823 | |
| 1824 | PJ_LOG(4,(THIS_FILE, "Closing %s sound playback device and " |
| 1825 | "%s sound capture device", |
| 1826 | play_info.name, cap_info.name)); |
| 1827 | |
| 1828 | pjmedia_snd_port_disconnect(pjsua_var.snd_port); |
| 1829 | pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| 1830 | pjsua_var.snd_port = NULL; |
| 1831 | } |
| 1832 | |
| 1833 | /* Close null sound device */ |
| 1834 | if (pjsua_var.null_snd) { |
| 1835 | PJ_LOG(4,(THIS_FILE, "Closing null sound device..")); |
| 1836 | pjmedia_master_port_destroy(pjsua_var.null_snd, PJ_FALSE); |
| 1837 | pjsua_var.null_snd = NULL; |
| 1838 | } |
| 1839 | |
| 1840 | if (pjsua_var.snd_pool) |
| 1841 | pj_pool_release(pjsua_var.snd_pool); |
| 1842 | |
| 1843 | pjsua_var.snd_pool = NULL; |
| 1844 | pjsua_var.snd_is_on = PJ_FALSE; |
| 1845 | |
| 1846 | pj_log_pop_indent(); |
| 1847 | } |
| 1848 | |
| 1849 | |
| 1850 | /* |
| 1851 | * Select or change sound device. Application may call this function at |
| 1852 | * any time to replace current sound device. |
| 1853 | */ |
| 1854 | PJ_DEF(pj_status_t) pjsua_set_snd_dev( int capture_dev, |
| 1855 | int playback_dev) |
| 1856 | { |
| 1857 | unsigned alt_cr_cnt = 1; |
| 1858 | unsigned alt_cr[] = {0, 44100, 48000, 32000, 16000, 8000}; |
| 1859 | unsigned i; |
| 1860 | pj_status_t status = -1; |
| 1861 | |
| 1862 | PJ_LOG(4,(THIS_FILE, "Set sound device: capture=%d, playback=%d", |
| 1863 | capture_dev, playback_dev)); |
| 1864 | pj_log_push_indent(); |
| 1865 | |
| 1866 | PJSUA_LOCK(); |
| 1867 | |
| 1868 | /* Null-sound */ |
| 1869 | if (capture_dev==NULL_SND_DEV_ID && playback_dev==NULL_SND_DEV_ID) { |
| 1870 | PJSUA_UNLOCK(); |
| 1871 | status = pjsua_set_null_snd_dev(); |
| 1872 | pj_log_pop_indent(); |
| 1873 | return status; |
| 1874 | } |
| 1875 | |
| 1876 | /* Set default clock rate */ |
| 1877 | alt_cr[0] = pjsua_var.media_cfg.snd_clock_rate; |
| 1878 | if (alt_cr[0] == 0) |
| 1879 | alt_cr[0] = pjsua_var.media_cfg.clock_rate; |
| 1880 | |
| 1881 | /* Allow retrying of different clock rate if we're using conference |
| 1882 | * bridge (meaning audio format is always PCM), otherwise lock on |
| 1883 | * to one clock rate. |
| 1884 | */ |
| 1885 | if (pjsua_var.is_mswitch) { |
| 1886 | alt_cr_cnt = 1; |
| 1887 | } else { |
| 1888 | alt_cr_cnt = PJ_ARRAY_SIZE(alt_cr); |
| 1889 | } |
| 1890 | |
| 1891 | /* Attempts to open the sound device with different clock rates */ |
| 1892 | for (i=0; i<alt_cr_cnt; ++i) { |
| 1893 | pjmedia_snd_port_param param; |
| 1894 | unsigned samples_per_frame; |
| 1895 | |
| 1896 | /* Create the default audio param */ |
| 1897 | samples_per_frame = alt_cr[i] * |
| 1898 | pjsua_var.media_cfg.audio_frame_ptime * |
| 1899 | pjsua_var.media_cfg.channel_count / 1000; |
| 1900 | pjmedia_snd_port_param_default(¶m); |
| 1901 | param.ec_options = pjsua_var.media_cfg.ec_options; |
| 1902 | status = create_aud_param(¶m.base, capture_dev, playback_dev, |
| 1903 | alt_cr[i], pjsua_var.media_cfg.channel_count, |
| 1904 | samples_per_frame, 16); |
| 1905 | if (status != PJ_SUCCESS) |
| 1906 | goto on_error; |
| 1907 | |
| 1908 | /* Open! */ |
| 1909 | param.options = 0; |
| 1910 | status = open_snd_dev(¶m); |
| 1911 | if (status == PJ_SUCCESS) |
| 1912 | break; |
| 1913 | } |
| 1914 | |
| 1915 | if (status != PJ_SUCCESS) { |
| 1916 | pjsua_perror(THIS_FILE, "Unable to open sound device", status); |
| 1917 | goto on_error; |
| 1918 | } |
| 1919 | |
| 1920 | pjsua_var.no_snd = PJ_FALSE; |
| 1921 | pjsua_var.snd_is_on = PJ_TRUE; |
| 1922 | |
| 1923 | PJSUA_UNLOCK(); |
| 1924 | pj_log_pop_indent(); |
| 1925 | return PJ_SUCCESS; |
| 1926 | |
| 1927 | on_error: |
| 1928 | PJSUA_UNLOCK(); |
| 1929 | pj_log_pop_indent(); |
| 1930 | return status; |
| 1931 | } |
| 1932 | |
| 1933 | |
| 1934 | /* |
| 1935 | * Get currently active sound devices. If sound devices has not been created |
| 1936 | * (for example when pjsua_start() is not called), it is possible that |
| 1937 | * the function returns PJ_SUCCESS with -1 as device IDs. |
| 1938 | */ |
| 1939 | PJ_DEF(pj_status_t) pjsua_get_snd_dev(int *capture_dev, |
| 1940 | int *playback_dev) |
| 1941 | { |
| 1942 | PJSUA_LOCK(); |
| 1943 | |
| 1944 | if (capture_dev) { |
| 1945 | *capture_dev = pjsua_var.cap_dev; |
| 1946 | } |
| 1947 | if (playback_dev) { |
| 1948 | *playback_dev = pjsua_var.play_dev; |
| 1949 | } |
| 1950 | |
| 1951 | PJSUA_UNLOCK(); |
| 1952 | return PJ_SUCCESS; |
| 1953 | } |
| 1954 | |
| 1955 | |
| 1956 | /* |
| 1957 | * Use null sound device. |
| 1958 | */ |
| 1959 | PJ_DEF(pj_status_t) pjsua_set_null_snd_dev(void) |
| 1960 | { |
| 1961 | pjmedia_port *conf_port; |
| 1962 | pj_status_t status; |
| 1963 | |
| 1964 | PJ_LOG(4,(THIS_FILE, "Setting null sound device..")); |
| 1965 | pj_log_push_indent(); |
| 1966 | |
| 1967 | PJSUA_LOCK(); |
| 1968 | |
| 1969 | /* Close existing sound device */ |
| 1970 | close_snd_dev(); |
| 1971 | |
| 1972 | /* Notify app */ |
| 1973 | if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| 1974 | (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| 1975 | } |
| 1976 | |
| 1977 | /* Create memory pool for sound device. */ |
| 1978 | pjsua_var.snd_pool = pjsua_pool_create("pjsua_snd", 4000, 4000); |
| 1979 | PJ_ASSERT_RETURN(pjsua_var.snd_pool, PJ_ENOMEM); |
| 1980 | |
| 1981 | PJ_LOG(4,(THIS_FILE, "Opening null sound device..")); |
| 1982 | |
| 1983 | /* Get the port0 of the conference bridge. */ |
| 1984 | conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| 1985 | pj_assert(conf_port != NULL); |
| 1986 | |
| 1987 | /* Create master port, connecting port0 of the conference bridge to |
| 1988 | * a null port. |
| 1989 | */ |
| 1990 | status = pjmedia_master_port_create(pjsua_var.snd_pool, pjsua_var.null_port, |
| 1991 | conf_port, 0, &pjsua_var.null_snd); |
| 1992 | if (status != PJ_SUCCESS) { |
| 1993 | pjsua_perror(THIS_FILE, "Unable to create null sound device", |
| 1994 | status); |
| 1995 | PJSUA_UNLOCK(); |
| 1996 | pj_log_pop_indent(); |
| 1997 | return status; |
| 1998 | } |
| 1999 | |
| 2000 | /* Start the master port */ |
| 2001 | status = pjmedia_master_port_start(pjsua_var.null_snd); |
| 2002 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| 2003 | |
| 2004 | pjsua_var.cap_dev = NULL_SND_DEV_ID; |
| 2005 | pjsua_var.play_dev = NULL_SND_DEV_ID; |
| 2006 | |
| 2007 | pjsua_var.no_snd = PJ_FALSE; |
| 2008 | pjsua_var.snd_is_on = PJ_TRUE; |
| 2009 | |
| 2010 | PJSUA_UNLOCK(); |
| 2011 | pj_log_pop_indent(); |
| 2012 | return PJ_SUCCESS; |
| 2013 | } |
| 2014 | |
| 2015 | |
| 2016 | |
| 2017 | /* |
| 2018 | * Use no device! |
| 2019 | */ |
| 2020 | PJ_DEF(pjmedia_port*) pjsua_set_no_snd_dev(void) |
| 2021 | { |
| 2022 | PJSUA_LOCK(); |
| 2023 | |
| 2024 | /* Close existing sound device */ |
| 2025 | close_snd_dev(); |
| 2026 | pjsua_var.no_snd = PJ_TRUE; |
| 2027 | |
| 2028 | PJSUA_UNLOCK(); |
| 2029 | |
| 2030 | return pjmedia_conf_get_master_port(pjsua_var.mconf); |
| 2031 | } |
| 2032 | |
| 2033 | |
| 2034 | /* |
| 2035 | * Configure the AEC settings of the sound port. |
| 2036 | */ |
| 2037 | PJ_DEF(pj_status_t) pjsua_set_ec(unsigned tail_ms, unsigned options) |
| 2038 | { |
| 2039 | pj_status_t status = PJ_SUCCESS; |
| 2040 | |
| 2041 | PJSUA_LOCK(); |
| 2042 | |
| 2043 | pjsua_var.media_cfg.ec_tail_len = tail_ms; |
| 2044 | pjsua_var.media_cfg.ec_options = options; |
| 2045 | |
| 2046 | if (pjsua_var.snd_port) |
| 2047 | status = pjmedia_snd_port_set_ec(pjsua_var.snd_port, pjsua_var.pool, |
| 2048 | tail_ms, options); |
| 2049 | |
| 2050 | PJSUA_UNLOCK(); |
| 2051 | return status; |
| 2052 | } |
| 2053 | |
| 2054 | |
| 2055 | /* |
| 2056 | * Get current AEC tail length. |
| 2057 | */ |
| 2058 | PJ_DEF(pj_status_t) pjsua_get_ec_tail(unsigned *p_tail_ms) |
| 2059 | { |
| 2060 | *p_tail_ms = pjsua_var.media_cfg.ec_tail_len; |
| 2061 | return PJ_SUCCESS; |
| 2062 | } |
| 2063 | |
| 2064 | |
| 2065 | /* |
| 2066 | * Check whether the sound device is currently active. |
| 2067 | */ |
| 2068 | PJ_DEF(pj_bool_t) pjsua_snd_is_active(void) |
| 2069 | { |
| 2070 | return pjsua_var.snd_port != NULL; |
| 2071 | } |
| 2072 | |
| 2073 | |
| 2074 | /* |
| 2075 | * Configure sound device setting to the sound device being used. |
| 2076 | */ |
| 2077 | PJ_DEF(pj_status_t) pjsua_snd_set_setting( pjmedia_aud_dev_cap cap, |
| 2078 | const void *pval, |
| 2079 | pj_bool_t keep) |
| 2080 | { |
| 2081 | pj_status_t status; |
| 2082 | |
| 2083 | /* Check if we are allowed to set the cap */ |
| 2084 | if ((cap & pjsua_var.aud_svmask) == 0) { |
| 2085 | return PJMEDIA_EAUD_INVCAP; |
| 2086 | } |
| 2087 | |
| 2088 | PJSUA_LOCK(); |
| 2089 | |
| 2090 | /* If sound is active, set it immediately */ |
| 2091 | if (pjsua_snd_is_active()) { |
| 2092 | pjmedia_aud_stream *strm; |
| 2093 | |
| 2094 | strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| 2095 | status = pjmedia_aud_stream_set_cap(strm, cap, pval); |
| 2096 | } else { |
| 2097 | status = PJ_SUCCESS; |
| 2098 | } |
| 2099 | |
| 2100 | if (status != PJ_SUCCESS) { |
| 2101 | PJSUA_UNLOCK(); |
| 2102 | return status; |
| 2103 | } |
| 2104 | |
| 2105 | /* Save in internal param for later device open */ |
| 2106 | if (keep) { |
| 2107 | status = pjmedia_aud_param_set_cap(&pjsua_var.aud_param, |
| 2108 | cap, pval); |
| 2109 | } |
| 2110 | |
| 2111 | PJSUA_UNLOCK(); |
| 2112 | return status; |
| 2113 | } |
| 2114 | |
| 2115 | /* |
| 2116 | * Retrieve a sound device setting. |
| 2117 | */ |
| 2118 | PJ_DEF(pj_status_t) pjsua_snd_get_setting( pjmedia_aud_dev_cap cap, |
| 2119 | void *pval) |
| 2120 | { |
| 2121 | pj_status_t status; |
| 2122 | |
| 2123 | PJSUA_LOCK(); |
| 2124 | |
| 2125 | /* If sound device has never been opened before, open it to |
| 2126 | * retrieve the initial setting from the device (e.g. audio |
| 2127 | * volume) |
| 2128 | */ |
| 2129 | if (pjsua_var.aud_open_cnt==0) { |
| 2130 | PJ_LOG(4,(THIS_FILE, "Opening sound device to get initial settings")); |
| 2131 | pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev); |
| 2132 | close_snd_dev(); |
| 2133 | } |
| 2134 | |
| 2135 | if (pjsua_snd_is_active()) { |
| 2136 | /* Sound is active, retrieve from device directly */ |
| 2137 | pjmedia_aud_stream *strm; |
| 2138 | |
| 2139 | strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| 2140 | status = pjmedia_aud_stream_get_cap(strm, cap, pval); |
| 2141 | } else { |
| 2142 | /* Otherwise retrieve from internal param */ |
| 2143 | status = pjmedia_aud_param_get_cap(&pjsua_var.aud_param, |
| 2144 | cap, pval); |
| 2145 | } |
| 2146 | |
| 2147 | PJSUA_UNLOCK(); |
| 2148 | return status; |
| 2149 | } |
| 2150 | |
| 2151 | #endif /* PJSUA_MEDIA_HAS_PJMEDIA */ |