Benny Prijono | eebe9af | 2006-06-13 22:57:13 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pjsua-lib/pjsua.h> |
| 20 | #include <pjsua-lib/pjsua_internal.h> |
| 21 | |
| 22 | |
| 23 | #define THIS_FILE "pjsua_media.c" |
| 24 | |
| 25 | #define PTIME 10 |
| 26 | #define FPS (1000/PTIME) |
| 27 | #define DEFAULT_RTP_PORT 4000 |
| 28 | |
| 29 | |
| 30 | /* Close existing sound device */ |
| 31 | static void close_snd_dev(void); |
| 32 | |
| 33 | |
| 34 | /** |
| 35 | * Init media subsystems. |
| 36 | */ |
| 37 | pj_status_t pjsua_media_subsys_init(const pjsua_media_config *cfg) |
| 38 | { |
| 39 | pj_str_t codec_id; |
| 40 | pj_status_t status; |
| 41 | |
| 42 | /* Copy configuration */ |
| 43 | pj_memcpy(&pjsua_var.media_cfg, cfg, sizeof(*cfg)); |
| 44 | |
| 45 | /* Normalize configuration */ |
| 46 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 47 | pjsua_var.media_cfg.clock_rate = 44100; |
| 48 | #endif |
| 49 | |
| 50 | if (pjsua_var.media_cfg.has_ioqueue && |
| 51 | pjsua_var.media_cfg.thread_cnt == 0) |
| 52 | { |
| 53 | pjsua_var.media_cfg.thread_cnt = 1; |
| 54 | } |
| 55 | |
| 56 | if (pjsua_var.media_cfg.max_media_ports < pjsua_var.ua_cfg.max_calls) { |
| 57 | pjsua_var.media_cfg.max_media_ports = pjsua_var.ua_cfg.max_calls + 2; |
| 58 | } |
| 59 | |
| 60 | /* Create media endpoint. */ |
| 61 | status = pjmedia_endpt_create(&pjsua_var.cp.factory, |
| 62 | pjsua_var.media_cfg.has_ioqueue? NULL : |
| 63 | pjsip_endpt_get_ioqueue(pjsua_var.endpt), |
| 64 | pjsua_var.media_cfg.thread_cnt, |
| 65 | &pjsua_var.med_endpt); |
| 66 | if (status != PJ_SUCCESS) { |
| 67 | pjsua_perror(THIS_FILE, |
| 68 | "Media stack initialization has returned error", |
| 69 | status); |
| 70 | return status; |
| 71 | } |
| 72 | |
| 73 | /* Register all codecs */ |
| 74 | #if PJMEDIA_HAS_SPEEX_CODEC |
| 75 | /* Register speex. */ |
| 76 | status = pjmedia_codec_speex_init(pjsua_var.med_endpt, |
| 77 | PJMEDIA_SPEEX_NO_UWB, |
| 78 | -1, -1); |
| 79 | if (status != PJ_SUCCESS) { |
| 80 | pjsua_perror(THIS_FILE, "Error initializing Speex codec", |
| 81 | status); |
| 82 | return status; |
| 83 | } |
| 84 | #endif /* PJMEDIA_HAS_SPEEX_CODEC */ |
| 85 | |
| 86 | #if PJMEDIA_HAS_GSM_CODEC |
| 87 | /* Register GSM */ |
| 88 | status = pjmedia_codec_gsm_init(pjsua_var.med_endpt); |
| 89 | if (status != PJ_SUCCESS) { |
| 90 | pjsua_perror(THIS_FILE, "Error initializing GSM codec", |
| 91 | status); |
| 92 | return status; |
| 93 | } |
| 94 | #endif /* PJMEDIA_HAS_GSM_CODEC */ |
| 95 | |
| 96 | #if PJMEDIA_HAS_G711_CODEC |
| 97 | /* Register PCMA and PCMU */ |
| 98 | status = pjmedia_codec_g711_init(pjsua_var.med_endpt); |
| 99 | if (status != PJ_SUCCESS) { |
| 100 | pjsua_perror(THIS_FILE, "Error initializing G711 codec", |
| 101 | status); |
| 102 | return status; |
| 103 | } |
| 104 | #endif /* PJMEDIA_HAS_G711_CODEC */ |
| 105 | |
| 106 | #if PJMEDIA_HAS_L16_CODEC |
| 107 | /* Register L16 family codecs, but disable all */ |
| 108 | status = pjmedia_codec_l16_init(pjsua_var.med_endpt, 0); |
| 109 | if (status != PJ_SUCCESS) { |
| 110 | pjsua_perror(THIS_FILE, "Error initializing L16 codecs", |
| 111 | status); |
| 112 | return status; |
| 113 | } |
| 114 | |
| 115 | /* Disable ALL L16 codecs */ |
| 116 | codec_id = pj_str("L16"); |
| 117 | pjmedia_codec_mgr_set_codec_priority( |
| 118 | pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| 119 | &codec_id, PJMEDIA_CODEC_PRIO_DISABLED); |
| 120 | |
| 121 | #endif /* PJMEDIA_HAS_L16_CODEC */ |
| 122 | |
| 123 | |
| 124 | /* Save additional conference bridge parameters for future |
| 125 | * reference. |
| 126 | */ |
| 127 | pjsua_var.mconf_cfg.samples_per_frame = pjsua_var.media_cfg.clock_rate * |
| 128 | PTIME / 1000; |
| 129 | pjsua_var.mconf_cfg.channel_count = 1; |
| 130 | pjsua_var.mconf_cfg.bits_per_sample = 16; |
| 131 | |
| 132 | /* Init conference bridge. */ |
| 133 | status = pjmedia_conf_create(pjsua_var.pool, |
| 134 | pjsua_var.media_cfg.max_media_ports, |
| 135 | pjsua_var.media_cfg.clock_rate, |
| 136 | pjsua_var.mconf_cfg.channel_count, |
| 137 | pjsua_var.mconf_cfg.samples_per_frame, |
| 138 | pjsua_var.mconf_cfg.bits_per_sample, |
| 139 | PJMEDIA_CONF_NO_DEVICE, |
| 140 | &pjsua_var.mconf); |
| 141 | if (status != PJ_SUCCESS) { |
| 142 | pjsua_perror(THIS_FILE, |
| 143 | "Media stack initialization has returned error", |
| 144 | status); |
| 145 | return status; |
| 146 | } |
| 147 | |
| 148 | /* Create null port just in case user wants to use null sound. */ |
| 149 | status = pjmedia_null_port_create(pjsua_var.pool, |
| 150 | pjsua_var.media_cfg.clock_rate, |
| 151 | pjsua_var.mconf_cfg.channel_count, |
| 152 | pjsua_var.mconf_cfg.samples_per_frame, |
| 153 | pjsua_var.mconf_cfg.bits_per_sample, |
| 154 | &pjsua_var.null_port); |
| 155 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| 156 | |
| 157 | return PJ_SUCCESS; |
| 158 | } |
| 159 | |
| 160 | |
| 161 | /* |
| 162 | * Create RTP and RTCP socket pair, and possibly resolve their public |
| 163 | * address via STUN. |
| 164 | */ |
| 165 | static pj_status_t create_rtp_rtcp_sock(const pjsua_transport_config *cfg, |
| 166 | pjmedia_sock_info *skinfo) |
| 167 | { |
| 168 | enum { |
| 169 | RTP_RETRY = 100 |
| 170 | }; |
| 171 | int i; |
| 172 | static pj_uint16_t rtp_port; |
| 173 | pj_sockaddr_in mapped_addr[2]; |
| 174 | pj_status_t status = PJ_SUCCESS; |
| 175 | pj_sock_t sock[2]; |
| 176 | |
| 177 | if (rtp_port == 0) |
| 178 | rtp_port = (pj_uint16_t)cfg->port; |
| 179 | |
| 180 | for (i=0; i<2; ++i) |
| 181 | sock[i] = PJ_INVALID_SOCKET; |
| 182 | |
| 183 | |
| 184 | /* Loop retry to bind RTP and RTCP sockets. */ |
| 185 | for (i=0; i<RTP_RETRY; ++i, rtp_port += 2) { |
| 186 | |
| 187 | /* Create and bind RTP socket. */ |
| 188 | status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &sock[0]); |
| 189 | if (status != PJ_SUCCESS) { |
| 190 | pjsua_perror(THIS_FILE, "socket() error", status); |
| 191 | return status; |
| 192 | } |
| 193 | |
| 194 | status = pj_sock_bind_in(sock[0], cfg->ip_addr.s_addr, rtp_port); |
| 195 | if (status != PJ_SUCCESS) { |
| 196 | pj_sock_close(sock[0]); |
| 197 | sock[0] = PJ_INVALID_SOCKET; |
| 198 | continue; |
| 199 | } |
| 200 | |
| 201 | /* Create and bind RTCP socket. */ |
| 202 | status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &sock[1]); |
| 203 | if (status != PJ_SUCCESS) { |
| 204 | pjsua_perror(THIS_FILE, "socket() error", status); |
| 205 | pj_sock_close(sock[0]); |
| 206 | return status; |
| 207 | } |
| 208 | |
| 209 | status = pj_sock_bind_in(sock[1], cfg->ip_addr.s_addr, |
| 210 | (pj_uint16_t)(rtp_port+1)); |
| 211 | if (status != PJ_SUCCESS) { |
| 212 | pj_sock_close(sock[0]); |
| 213 | sock[0] = PJ_INVALID_SOCKET; |
| 214 | |
| 215 | pj_sock_close(sock[1]); |
| 216 | sock[1] = PJ_INVALID_SOCKET; |
| 217 | continue; |
| 218 | } |
| 219 | |
| 220 | /* |
| 221 | * If we're configured to use STUN, then find out the mapped address, |
| 222 | * and make sure that the mapped RTCP port is adjacent with the RTP. |
| 223 | */ |
| 224 | if (cfg->stun_config.stun_srv1.slen) { |
| 225 | status=pj_stun_get_mapped_addr(&pjsua_var.cp.factory, 2, sock, |
| 226 | &cfg->stun_config.stun_srv1, |
| 227 | cfg->stun_config.stun_port1, |
| 228 | &cfg->stun_config.stun_srv2, |
| 229 | cfg->stun_config.stun_port2, |
| 230 | mapped_addr); |
| 231 | if (status != PJ_SUCCESS) { |
| 232 | pjsua_perror(THIS_FILE, "STUN resolve error", status); |
| 233 | goto on_error; |
| 234 | } |
| 235 | |
| 236 | if (pj_ntohs(mapped_addr[1].sin_port) == |
| 237 | pj_ntohs(mapped_addr[0].sin_port)+1) |
| 238 | { |
| 239 | /* Success! */ |
| 240 | break; |
| 241 | } |
| 242 | |
| 243 | pj_sock_close(sock[0]); |
| 244 | sock[0] = PJ_INVALID_SOCKET; |
| 245 | |
| 246 | pj_sock_close(sock[1]); |
| 247 | sock[1] = PJ_INVALID_SOCKET; |
| 248 | |
| 249 | } else { |
| 250 | const pj_str_t *hostname; |
| 251 | pj_sockaddr_in addr; |
| 252 | |
| 253 | /* Get local IP address. */ |
| 254 | hostname = pj_gethostname(); |
| 255 | |
| 256 | pj_memset( &addr, 0, sizeof(addr)); |
| 257 | addr.sin_family = PJ_AF_INET; |
| 258 | status = pj_sockaddr_in_set_str_addr( &addr, hostname); |
| 259 | if (status != PJ_SUCCESS) { |
| 260 | pjsua_perror(THIS_FILE, "Unresolvable local hostname", |
| 261 | status); |
| 262 | goto on_error; |
| 263 | } |
| 264 | |
| 265 | for (i=0; i<2; ++i) |
| 266 | pj_memcpy(&mapped_addr[i], &addr, sizeof(addr)); |
| 267 | |
| 268 | mapped_addr[0].sin_port=pj_htons((pj_uint16_t)rtp_port); |
| 269 | mapped_addr[1].sin_port=pj_htons((pj_uint16_t)(rtp_port+1)); |
| 270 | break; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | if (sock[0] == PJ_INVALID_SOCKET) { |
| 275 | PJ_LOG(1,(THIS_FILE, |
| 276 | "Unable to find appropriate RTP/RTCP ports combination")); |
| 277 | goto on_error; |
| 278 | } |
| 279 | |
| 280 | |
| 281 | skinfo->rtp_sock = sock[0]; |
| 282 | pj_memcpy(&skinfo->rtp_addr_name, |
| 283 | &mapped_addr[0], sizeof(pj_sockaddr_in)); |
| 284 | |
| 285 | skinfo->rtcp_sock = sock[1]; |
| 286 | pj_memcpy(&skinfo->rtcp_addr_name, |
| 287 | &mapped_addr[1], sizeof(pj_sockaddr_in)); |
| 288 | |
| 289 | PJ_LOG(4,(THIS_FILE, "RTP socket reachable at %s:%d", |
| 290 | pj_inet_ntoa(skinfo->rtp_addr_name.sin_addr), |
| 291 | pj_ntohs(skinfo->rtp_addr_name.sin_port))); |
| 292 | PJ_LOG(4,(THIS_FILE, "RTCP socket reachable at %s:%d", |
| 293 | pj_inet_ntoa(skinfo->rtcp_addr_name.sin_addr), |
| 294 | pj_ntohs(skinfo->rtcp_addr_name.sin_port))); |
| 295 | |
| 296 | rtp_port += 2; |
| 297 | return PJ_SUCCESS; |
| 298 | |
| 299 | on_error: |
| 300 | for (i=0; i<2; ++i) { |
| 301 | if (sock[i] != PJ_INVALID_SOCKET) |
| 302 | pj_sock_close(sock[i]); |
| 303 | } |
| 304 | return status; |
| 305 | } |
| 306 | |
| 307 | |
| 308 | /* |
| 309 | * Start pjsua media subsystem. |
| 310 | */ |
| 311 | pj_status_t pjsua_media_subsys_start(void) |
| 312 | { |
| 313 | pj_status_t status; |
| 314 | |
| 315 | /* Create media for calls, if none is specified */ |
| 316 | if (pjsua_var.calls[0].med_tp == NULL) { |
| 317 | pjsua_transport_config transport_cfg; |
| 318 | |
| 319 | /* Create default transport config */ |
| 320 | pjsua_transport_config_default(&transport_cfg); |
| 321 | transport_cfg.port = DEFAULT_RTP_PORT; |
| 322 | |
| 323 | status = pjsua_media_transports_create(&transport_cfg); |
| 324 | if (status != PJ_SUCCESS) |
| 325 | return status; |
| 326 | } |
| 327 | |
| 328 | /* Create sound port if none is created yet */ |
Benny Prijono | 22a300a | 2006-06-14 20:04:55 +0000 | [diff] [blame] | 329 | if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL) { |
Benny Prijono | eebe9af | 2006-06-13 22:57:13 +0000 | [diff] [blame] | 330 | status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev); |
| 331 | if (status != PJ_SUCCESS) { |
| 332 | /* Error opening sound device, use null device */ |
| 333 | char errmsg[PJ_ERR_MSG_SIZE]; |
| 334 | |
| 335 | pj_strerror(status, errmsg, sizeof(errmsg)); |
| 336 | PJ_LOG(4,(THIS_FILE, |
| 337 | "Error opening default sound device (%s (status=%d)). " |
| 338 | "Will use NULL device instead", |
| 339 | errmsg, status)); |
| 340 | |
| 341 | status = pjsua_set_null_snd_dev(); |
| 342 | if (status != PJ_SUCCESS) { |
| 343 | pjsua_perror(THIS_FILE, "Error opening NULL sound device", |
| 344 | status); |
| 345 | return status; |
| 346 | } |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | return PJ_SUCCESS; |
| 351 | } |
| 352 | |
| 353 | |
| 354 | /* |
| 355 | * Destroy pjsua media subsystem. |
| 356 | */ |
| 357 | pj_status_t pjsua_media_subsys_destroy(void) |
| 358 | { |
| 359 | unsigned i; |
| 360 | |
| 361 | close_snd_dev(); |
| 362 | |
| 363 | if (pjsua_var.mconf) { |
| 364 | pjmedia_conf_destroy(pjsua_var.mconf); |
| 365 | pjsua_var.mconf = NULL; |
| 366 | } |
| 367 | |
| 368 | if (pjsua_var.null_port) { |
| 369 | pjmedia_port_destroy(pjsua_var.null_port); |
| 370 | pjsua_var.null_port = NULL; |
| 371 | } |
| 372 | |
| 373 | /* Destroy file players */ |
| 374 | for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.player); ++i) { |
| 375 | if (pjsua_var.player[i].port) { |
| 376 | pjmedia_port_destroy(pjsua_var.player[i].port); |
| 377 | pjsua_var.player[i].port = NULL; |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | /* Destroy file recorders */ |
| 382 | for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.recorder); ++i) { |
| 383 | if (pjsua_var.recorder[i].port) { |
| 384 | pjmedia_port_destroy(pjsua_var.recorder[i].port); |
| 385 | pjsua_var.recorder[i].port = NULL; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | /* Close media transports */ |
| 390 | for (i=0; i<(int)pjsua_var.ua_cfg.max_calls; ++i) { |
| 391 | if (pjsua_var.calls[i].med_tp) { |
| 392 | (*pjsua_var.calls[i].med_tp->op->destroy)(pjsua_var.calls[i].med_tp); |
| 393 | pjsua_var.calls[i].med_tp = NULL; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | /* Destroy media endpoint. */ |
| 398 | if (pjsua_var.med_endpt) { |
| 399 | |
| 400 | /* Shutdown all codecs: */ |
| 401 | # if PJMEDIA_HAS_SPEEX_CODEC |
| 402 | pjmedia_codec_speex_deinit(); |
| 403 | # endif /* PJMEDIA_HAS_SPEEX_CODEC */ |
| 404 | |
| 405 | # if PJMEDIA_HAS_GSM_CODEC |
| 406 | pjmedia_codec_gsm_deinit(); |
| 407 | # endif /* PJMEDIA_HAS_GSM_CODEC */ |
| 408 | |
| 409 | # if PJMEDIA_HAS_G711_CODEC |
| 410 | pjmedia_codec_g711_deinit(); |
| 411 | # endif /* PJMEDIA_HAS_G711_CODEC */ |
| 412 | |
| 413 | # if PJMEDIA_HAS_L16_CODEC |
| 414 | pjmedia_codec_l16_deinit(); |
| 415 | # endif /* PJMEDIA_HAS_L16_CODEC */ |
| 416 | |
| 417 | |
| 418 | pjmedia_endpt_destroy(pjsua_var.med_endpt); |
| 419 | pjsua_var.med_endpt = NULL; |
| 420 | } |
| 421 | |
| 422 | return PJ_SUCCESS; |
| 423 | } |
| 424 | |
| 425 | |
| 426 | /* |
| 427 | * Create UDP media transports for all the calls. This function creates |
| 428 | * one UDP media transport for each call. |
| 429 | */ |
| 430 | PJ_DEF(pj_status_t) |
| 431 | pjsua_media_transports_create(const pjsua_transport_config *app_cfg) |
| 432 | { |
| 433 | pjsua_transport_config cfg; |
| 434 | unsigned i; |
| 435 | pj_status_t status; |
| 436 | |
| 437 | |
| 438 | /* Make sure pjsua_init() has been called */ |
| 439 | PJ_ASSERT_RETURN(pjsua_var.ua_cfg.max_calls>0, PJ_EINVALIDOP); |
| 440 | |
| 441 | PJSUA_LOCK(); |
| 442 | |
| 443 | /* Delete existing media transports */ |
| 444 | for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| 445 | if (pjsua_var.calls[i].med_tp != NULL) { |
| 446 | pjsua_var.calls[i].med_tp->op->destroy(pjsua_var.calls[i].med_tp); |
| 447 | pjsua_var.calls[i].med_tp = NULL; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /* Copy config */ |
| 452 | pj_memcpy(&cfg, app_cfg, sizeof(*app_cfg)); |
| 453 | pjsua_normalize_stun_config(&cfg.stun_config); |
| 454 | |
| 455 | /* Create each media transport */ |
| 456 | for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| 457 | |
| 458 | status = create_rtp_rtcp_sock(&cfg, &pjsua_var.calls[i].skinfo); |
| 459 | if (status != PJ_SUCCESS) { |
| 460 | pjsua_perror(THIS_FILE, "Unable to create RTP/RTCP socket", |
| 461 | status); |
| 462 | goto on_error; |
| 463 | } |
| 464 | status = pjmedia_transport_udp_attach(pjsua_var.med_endpt, NULL, |
| 465 | &pjsua_var.calls[i].skinfo, 0, |
| 466 | &pjsua_var.calls[i].med_tp); |
| 467 | if (status != PJ_SUCCESS) { |
| 468 | pjsua_perror(THIS_FILE, "Unable to create media transport", |
| 469 | status); |
| 470 | goto on_error; |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | PJSUA_UNLOCK(); |
| 475 | |
| 476 | return PJ_SUCCESS; |
| 477 | |
| 478 | on_error: |
| 479 | for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| 480 | if (pjsua_var.calls[i].med_tp != NULL) { |
| 481 | pjsua_var.calls[i].med_tp->op->destroy(pjsua_var.calls[i].med_tp); |
| 482 | pjsua_var.calls[i].med_tp = NULL; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | PJSUA_UNLOCK(); |
| 487 | |
| 488 | return status; |
| 489 | } |
| 490 | |
| 491 | |
| 492 | /* |
| 493 | * Get maxinum number of conference ports. |
| 494 | */ |
| 495 | PJ_DEF(unsigned) pjsua_conf_get_max_ports(void) |
| 496 | { |
| 497 | return pjsua_var.media_cfg.max_media_ports; |
| 498 | } |
| 499 | |
| 500 | |
| 501 | /* |
| 502 | * Get current number of active ports in the bridge. |
| 503 | */ |
| 504 | PJ_DEF(unsigned) pjsua_conf_get_active_ports(void) |
| 505 | { |
| 506 | unsigned ports[256]; |
| 507 | unsigned count = PJ_ARRAY_SIZE(ports); |
| 508 | pj_status_t status; |
| 509 | |
| 510 | status = pjmedia_conf_enum_ports(pjsua_var.mconf, ports, &count); |
| 511 | if (status != PJ_SUCCESS) |
| 512 | count = 0; |
| 513 | |
| 514 | return count; |
| 515 | } |
| 516 | |
| 517 | |
| 518 | /* |
| 519 | * Enumerate all conference ports. |
| 520 | */ |
| 521 | PJ_DEF(pj_status_t) pjsua_enum_conf_ports(pjsua_conf_port_id id[], |
| 522 | unsigned *count) |
| 523 | { |
| 524 | return pjmedia_conf_enum_ports(pjsua_var.mconf, (unsigned*)id, count); |
| 525 | } |
| 526 | |
| 527 | |
| 528 | /* |
| 529 | * Get information about the specified conference port |
| 530 | */ |
| 531 | PJ_DEF(pj_status_t) pjsua_conf_get_port_info( pjsua_conf_port_id id, |
| 532 | pjsua_conf_port_info *info) |
| 533 | { |
| 534 | pjmedia_conf_port_info cinfo; |
| 535 | unsigned i, count; |
| 536 | pj_status_t status; |
| 537 | |
| 538 | status = pjmedia_conf_get_port_info( pjsua_var.mconf, id, &cinfo); |
| 539 | if (status != PJ_SUCCESS) |
| 540 | return status; |
| 541 | |
| 542 | pj_memset(info, 0, sizeof(*info)); |
| 543 | info->slot_id = id; |
| 544 | info->name = cinfo.name; |
| 545 | info->clock_rate = cinfo.clock_rate; |
| 546 | info->channel_count = cinfo.channel_count; |
| 547 | info->samples_per_frame = cinfo.samples_per_frame; |
| 548 | info->bits_per_sample = cinfo.bits_per_sample; |
| 549 | |
| 550 | /* Build array of listeners */ |
| 551 | count = pjsua_var.media_cfg.max_media_ports; |
| 552 | for (i=0; i<count; ++i) { |
| 553 | if (cinfo.listener[i]) { |
| 554 | info->listeners[info->listener_cnt++] = i; |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | return PJ_SUCCESS; |
| 559 | } |
| 560 | |
| 561 | |
| 562 | /* |
| 563 | * Establish unidirectional media flow from souce to sink. |
| 564 | */ |
| 565 | PJ_DEF(pj_status_t) pjsua_conf_connect( pjsua_conf_port_id source, |
| 566 | pjsua_conf_port_id sink) |
| 567 | { |
| 568 | return pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0); |
| 569 | } |
| 570 | |
| 571 | |
| 572 | /* |
| 573 | * Disconnect media flow from the source to destination port. |
| 574 | */ |
| 575 | PJ_DEF(pj_status_t) pjsua_conf_disconnect( pjsua_conf_port_id source, |
| 576 | pjsua_conf_port_id sink) |
| 577 | { |
| 578 | return pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | /***************************************************************************** |
| 583 | * File player. |
| 584 | */ |
| 585 | |
| 586 | /* |
| 587 | * Create a file player, and automatically connect this player to |
| 588 | * the conference bridge. |
| 589 | */ |
| 590 | PJ_DEF(pj_status_t) pjsua_player_create( const pj_str_t *filename, |
| 591 | unsigned options, |
| 592 | void *user_data, |
| 593 | pjsua_player_id *p_id) |
| 594 | { |
| 595 | unsigned slot, file_id; |
| 596 | char path[128]; |
| 597 | pjmedia_port *port; |
| 598 | pj_status_t status; |
| 599 | |
| 600 | if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| 601 | return PJ_ETOOMANY; |
| 602 | |
| 603 | PJSUA_LOCK(); |
| 604 | |
| 605 | for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) { |
| 606 | if (pjsua_var.player[file_id].port == NULL) |
| 607 | break; |
| 608 | } |
| 609 | |
| 610 | if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) { |
| 611 | /* This is unexpected */ |
| 612 | PJSUA_UNLOCK(); |
| 613 | pj_assert(0); |
| 614 | return PJ_EBUG; |
| 615 | } |
| 616 | |
| 617 | pj_memcpy(path, filename->ptr, filename->slen); |
| 618 | path[filename->slen] = '\0'; |
| 619 | status = pjmedia_wav_player_port_create(pjsua_var.pool, path, |
| 620 | pjsua_var.mconf_cfg.samples_per_frame * |
| 621 | 1000 / pjsua_var.media_cfg.clock_rate, |
| 622 | 0, 0, user_data, &port); |
| 623 | if (status != PJ_SUCCESS) { |
| 624 | PJSUA_UNLOCK(); |
| 625 | pjsua_perror(THIS_FILE, "Unable to open file for playback", status); |
| 626 | return status; |
| 627 | } |
| 628 | |
| 629 | status = pjmedia_conf_add_port(pjsua_var.mconf, pjsua_var.pool, |
| 630 | port, filename, &slot); |
| 631 | if (status != PJ_SUCCESS) { |
| 632 | pjmedia_port_destroy(port); |
| 633 | PJSUA_UNLOCK(); |
| 634 | return status; |
| 635 | } |
| 636 | |
| 637 | pjsua_var.player[file_id].port = port; |
| 638 | pjsua_var.player[file_id].slot = slot; |
| 639 | |
| 640 | if (p_id) *p_id = file_id; |
| 641 | |
| 642 | ++pjsua_var.player_cnt; |
| 643 | |
| 644 | PJSUA_UNLOCK(); |
| 645 | return PJ_SUCCESS; |
| 646 | } |
| 647 | |
| 648 | |
| 649 | /* |
| 650 | * Get conference port ID associated with player. |
| 651 | */ |
| 652 | PJ_DEF(pjsua_conf_port_id) pjsua_player_get_conf_port(pjsua_player_id id) |
| 653 | { |
| 654 | PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 655 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 656 | |
| 657 | return pjsua_var.player[id].slot; |
| 658 | } |
| 659 | |
| 660 | |
| 661 | /* |
| 662 | * Set playback position. |
| 663 | */ |
| 664 | PJ_DEF(pj_status_t) pjsua_player_set_pos( pjsua_player_id id, |
| 665 | pj_uint32_t samples) |
| 666 | { |
| 667 | PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 668 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 669 | |
| 670 | return pjmedia_wav_player_port_set_pos(pjsua_var.player[id].port, samples); |
| 671 | } |
| 672 | |
| 673 | |
| 674 | /* |
| 675 | * Close the file, remove the player from the bridge, and free |
| 676 | * resources associated with the file player. |
| 677 | */ |
| 678 | PJ_DEF(pj_status_t) pjsua_player_destroy(pjsua_player_id id) |
| 679 | { |
| 680 | PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| 681 | PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| 682 | |
| 683 | PJSUA_LOCK(); |
| 684 | |
| 685 | if (pjsua_var.player[id].port) { |
| 686 | pjmedia_conf_remove_port(pjsua_var.mconf, |
| 687 | pjsua_var.player[id].slot); |
| 688 | pjmedia_port_destroy(pjsua_var.player[id].port); |
| 689 | pjsua_var.player[id].port = NULL; |
| 690 | pjsua_var.player[id].slot = 0xFFFF; |
| 691 | pjsua_var.player_cnt--; |
| 692 | } |
| 693 | |
| 694 | PJSUA_UNLOCK(); |
| 695 | |
| 696 | return PJ_SUCCESS; |
| 697 | } |
| 698 | |
| 699 | |
| 700 | /***************************************************************************** |
| 701 | * File recorder. |
| 702 | */ |
| 703 | |
| 704 | /* |
| 705 | * Create a file recorder, and automatically connect this recorder to |
| 706 | * the conference bridge. |
| 707 | */ |
| 708 | PJ_DEF(pj_status_t) pjsua_recorder_create( const pj_str_t *filename, |
| 709 | unsigned file_format, |
| 710 | const pj_str_t *encoding, |
| 711 | pj_ssize_t max_size, |
| 712 | unsigned options, |
| 713 | void *user_data, |
| 714 | pjsua_recorder_id *p_id) |
| 715 | { |
| 716 | unsigned slot, file_id; |
| 717 | char path[128]; |
| 718 | pjmedia_port *port; |
| 719 | pj_status_t status; |
| 720 | |
| 721 | if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) |
| 722 | return PJ_ETOOMANY; |
| 723 | |
| 724 | PJSUA_LOCK(); |
| 725 | |
| 726 | for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.recorder); ++file_id) { |
| 727 | if (pjsua_var.recorder[file_id].port == NULL) |
| 728 | break; |
| 729 | } |
| 730 | |
| 731 | if (file_id == PJ_ARRAY_SIZE(pjsua_var.recorder)) { |
| 732 | /* This is unexpected */ |
| 733 | PJSUA_UNLOCK(); |
| 734 | pj_assert(0); |
| 735 | return PJ_EBUG; |
| 736 | } |
| 737 | |
| 738 | pj_memcpy(path, filename->ptr, filename->slen); |
| 739 | path[filename->slen] = '\0'; |
| 740 | status = pjmedia_wav_writer_port_create(pjsua_var.pool, path, |
| 741 | pjsua_var.media_cfg.clock_rate, |
| 742 | pjsua_var.mconf_cfg.channel_count, |
| 743 | pjsua_var.mconf_cfg.samples_per_frame, |
| 744 | pjsua_var.mconf_cfg.bits_per_sample, |
| 745 | 0, 0, user_data, &port); |
| 746 | if (status != PJ_SUCCESS) { |
| 747 | PJSUA_UNLOCK(); |
| 748 | pjsua_perror(THIS_FILE, "Unable to open file for recording", status); |
| 749 | return status; |
| 750 | } |
| 751 | |
| 752 | status = pjmedia_conf_add_port(pjsua_var.mconf, pjsua_var.pool, |
| 753 | port, filename, &slot); |
| 754 | if (status != PJ_SUCCESS) { |
| 755 | pjmedia_port_destroy(port); |
| 756 | PJSUA_UNLOCK(); |
| 757 | return status; |
| 758 | } |
| 759 | |
| 760 | pjsua_var.recorder[file_id].port = port; |
| 761 | pjsua_var.recorder[file_id].slot = slot; |
| 762 | |
| 763 | if (p_id) *p_id = file_id; |
| 764 | |
| 765 | ++pjsua_var.rec_cnt; |
| 766 | |
| 767 | PJSUA_UNLOCK(); |
| 768 | return PJ_SUCCESS; |
| 769 | } |
| 770 | |
| 771 | |
| 772 | /* |
| 773 | * Get conference port associated with recorder. |
| 774 | */ |
| 775 | PJ_DEF(pjsua_conf_port_id) pjsua_recorder_get_conf_port(pjsua_recorder_id id) |
| 776 | { |
| 777 | PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.recorder), PJ_EINVAL); |
| 778 | PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| 779 | |
| 780 | return pjsua_var.recorder[id].slot; |
| 781 | } |
| 782 | |
| 783 | |
| 784 | /* |
| 785 | * Destroy recorder (this will complete recording). |
| 786 | */ |
| 787 | PJ_DEF(pj_status_t) pjsua_recorder_destroy(pjsua_recorder_id id) |
| 788 | { |
| 789 | PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.recorder), PJ_EINVAL); |
| 790 | PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| 791 | |
| 792 | PJSUA_LOCK(); |
| 793 | |
| 794 | if (pjsua_var.recorder[id].port) { |
| 795 | pjmedia_conf_remove_port(pjsua_var.mconf, |
| 796 | pjsua_var.recorder[id].slot); |
| 797 | pjmedia_port_destroy(pjsua_var.recorder[id].port); |
| 798 | pjsua_var.recorder[id].port = NULL; |
| 799 | pjsua_var.recorder[id].slot = 0xFFFF; |
| 800 | pjsua_var.rec_cnt--; |
| 801 | } |
| 802 | |
| 803 | PJSUA_UNLOCK(); |
| 804 | |
| 805 | return PJ_SUCCESS; |
| 806 | } |
| 807 | |
| 808 | |
| 809 | /***************************************************************************** |
| 810 | * Sound devices. |
| 811 | */ |
| 812 | |
| 813 | /* |
| 814 | * Enum sound devices. |
| 815 | */ |
| 816 | PJ_DEF(pj_status_t) pjsua_enum_snd_devs( pjmedia_snd_dev_info info[], |
| 817 | unsigned *count) |
| 818 | { |
| 819 | unsigned i, dev_count; |
| 820 | |
| 821 | dev_count = pjmedia_snd_get_dev_count(); |
| 822 | |
| 823 | if (dev_count > *count) dev_count = *count; |
| 824 | |
| 825 | for (i=0; i<dev_count; ++i) { |
| 826 | const pjmedia_snd_dev_info *ci; |
| 827 | |
| 828 | ci = pjmedia_snd_get_dev_info(i); |
| 829 | pj_memcpy(&info[i], ci, sizeof(*ci)); |
| 830 | } |
| 831 | |
| 832 | *count = dev_count; |
| 833 | |
| 834 | return PJ_SUCCESS; |
| 835 | } |
| 836 | |
| 837 | |
| 838 | /* Close existing sound device */ |
| 839 | static void close_snd_dev(void) |
| 840 | { |
| 841 | /* Close sound device */ |
| 842 | if (pjsua_var.snd_port) { |
| 843 | const pjmedia_snd_dev_info *cap_info, *play_info; |
| 844 | |
| 845 | cap_info = pjmedia_snd_get_dev_info(pjsua_var.cap_dev); |
| 846 | play_info = pjmedia_snd_get_dev_info(pjsua_var.play_dev); |
| 847 | |
| 848 | PJ_LOG(4,(THIS_FILE, "Closing %s sound playback device and " |
| 849 | "%s sound capture device", |
| 850 | play_info->name, cap_info->name)); |
| 851 | |
| 852 | pjmedia_snd_port_disconnect(pjsua_var.snd_port); |
| 853 | pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| 854 | pjsua_var.snd_port = NULL; |
| 855 | } |
| 856 | |
| 857 | /* Close null sound device */ |
| 858 | if (pjsua_var.null_snd) { |
| 859 | PJ_LOG(4,(THIS_FILE, "Closing null sound device..")); |
| 860 | pjmedia_master_port_destroy(pjsua_var.null_snd, PJ_FALSE); |
| 861 | pjsua_var.null_snd = NULL; |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | /* |
| 866 | * Select or change sound device. Application may call this function at |
| 867 | * any time to replace current sound device. |
| 868 | */ |
| 869 | PJ_DEF(pj_status_t) pjsua_set_snd_dev( int capture_dev, |
| 870 | int playback_dev) |
| 871 | { |
| 872 | pjmedia_port *conf_port; |
| 873 | const pjmedia_snd_dev_info *cap_info, *play_info; |
| 874 | pj_status_t status; |
| 875 | |
| 876 | /* Close existing sound port */ |
| 877 | close_snd_dev(); |
| 878 | |
| 879 | |
| 880 | cap_info = pjmedia_snd_get_dev_info(capture_dev); |
| 881 | play_info = pjmedia_snd_get_dev_info(playback_dev); |
| 882 | |
| 883 | PJ_LOG(4,(THIS_FILE, "Opening %s sound playback device and " |
| 884 | "%s sound capture device..", |
| 885 | play_info->name, cap_info->name)); |
| 886 | |
| 887 | /* Create the sound device. Sound port will start immediately. */ |
| 888 | status = pjmedia_snd_port_create(pjsua_var.pool, capture_dev, |
| 889 | playback_dev, |
| 890 | pjsua_var.media_cfg.clock_rate, 1, |
| 891 | pjsua_var.media_cfg.clock_rate/FPS, |
| 892 | 16, 0, &pjsua_var.snd_port); |
| 893 | if (status != PJ_SUCCESS) { |
| 894 | pjsua_perror(THIS_FILE, "Unable to open sound device", status); |
| 895 | return status; |
| 896 | } |
| 897 | |
| 898 | /* Get the port0 of the conference bridge. */ |
| 899 | conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| 900 | pj_assert(conf_port != NULL); |
| 901 | |
| 902 | /* Connect to the conference port */ |
| 903 | status = pjmedia_snd_port_connect(pjsua_var.snd_port, conf_port); |
| 904 | if (status != PJ_SUCCESS) { |
| 905 | pjsua_perror(THIS_FILE, "Unable to connect conference port to " |
| 906 | "sound device", status); |
| 907 | pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| 908 | pjsua_var.snd_port = NULL; |
| 909 | return status; |
| 910 | } |
| 911 | |
| 912 | /* Save the device IDs */ |
| 913 | pjsua_var.cap_dev = capture_dev; |
| 914 | pjsua_var.play_dev = playback_dev; |
| 915 | |
| 916 | return PJ_SUCCESS; |
| 917 | } |
| 918 | |
| 919 | |
| 920 | /* |
| 921 | * Use null sound device. |
| 922 | */ |
| 923 | PJ_DEF(pj_status_t) pjsua_set_null_snd_dev(void) |
| 924 | { |
| 925 | pjmedia_port *conf_port; |
| 926 | pj_status_t status; |
| 927 | |
| 928 | /* Close existing sound device */ |
| 929 | close_snd_dev(); |
| 930 | |
| 931 | PJ_LOG(4,(THIS_FILE, "Opening null sound device..")); |
| 932 | |
| 933 | /* Get the port0 of the conference bridge. */ |
| 934 | conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| 935 | pj_assert(conf_port != NULL); |
| 936 | |
| 937 | /* Create master port, connecting port0 of the conference bridge to |
| 938 | * a null port. |
| 939 | */ |
| 940 | status = pjmedia_master_port_create(pjsua_var.pool, pjsua_var.null_port, |
| 941 | conf_port, 0, &pjsua_var.null_snd); |
| 942 | if (status != PJ_SUCCESS) { |
| 943 | pjsua_perror(THIS_FILE, "Unable to create null sound device", |
| 944 | status); |
| 945 | return status; |
| 946 | } |
| 947 | |
| 948 | /* Start the master port */ |
| 949 | status = pjmedia_master_port_start(pjsua_var.null_snd); |
| 950 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| 951 | |
| 952 | return PJ_SUCCESS; |
| 953 | } |
| 954 | |
| 955 | |
| 956 | /***************************************************************************** |
| 957 | * Codecs. |
| 958 | */ |
| 959 | |
| 960 | /* |
| 961 | * Enum all supported codecs in the system. |
| 962 | */ |
| 963 | PJ_DEF(pj_status_t) pjsua_enum_codecs( pjsua_codec_info id[], |
| 964 | unsigned *p_count ) |
| 965 | { |
| 966 | pjmedia_codec_mgr *codec_mgr; |
| 967 | pjmedia_codec_info info[32]; |
| 968 | unsigned i, count, prio[32]; |
| 969 | pj_status_t status; |
| 970 | |
| 971 | codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| 972 | count = PJ_ARRAY_SIZE(info); |
| 973 | status = pjmedia_codec_mgr_enum_codecs( codec_mgr, &count, info, prio); |
| 974 | if (status != PJ_SUCCESS) { |
| 975 | *p_count = 0; |
| 976 | return status; |
| 977 | } |
| 978 | |
| 979 | if (count > *p_count) count = *p_count; |
| 980 | |
| 981 | for (i=0; i<count; ++i) { |
| 982 | pjmedia_codec_info_to_id(&info[i], id[i].buf_, sizeof(id[i].buf_)); |
| 983 | id[i].codec_id = pj_str(id[i].buf_); |
| 984 | id[i].priority = (pj_uint8_t) prio[i]; |
| 985 | } |
| 986 | |
| 987 | *p_count = count; |
| 988 | |
| 989 | return PJ_SUCCESS; |
| 990 | } |
| 991 | |
| 992 | |
| 993 | /* |
| 994 | * Change codec priority. |
| 995 | */ |
| 996 | PJ_DEF(pj_status_t) pjsua_codec_set_priority( const pj_str_t *codec_id, |
| 997 | pj_uint8_t priority ) |
| 998 | { |
| 999 | pjmedia_codec_mgr *codec_mgr; |
| 1000 | |
| 1001 | codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| 1002 | |
| 1003 | return pjmedia_codec_mgr_set_codec_priority(codec_mgr, codec_id, |
| 1004 | priority); |
| 1005 | } |
| 1006 | |
| 1007 | |
| 1008 | /* |
| 1009 | * Get codec parameters. |
| 1010 | */ |
| 1011 | PJ_DEF(pj_status_t) pjsua_codec_get_param( const pj_str_t *codec_id, |
| 1012 | pjmedia_codec_param *param ) |
| 1013 | { |
| 1014 | const pjmedia_codec_info *info; |
| 1015 | pjmedia_codec_mgr *codec_mgr; |
| 1016 | unsigned count = 1; |
| 1017 | pj_status_t status; |
| 1018 | |
| 1019 | codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| 1020 | |
| 1021 | status = pjmedia_codec_mgr_find_codecs_by_id(codec_mgr, codec_id, |
| 1022 | &count, &info, NULL); |
| 1023 | if (status != PJ_SUCCESS) |
| 1024 | return status; |
| 1025 | |
| 1026 | if (count != 1) |
| 1027 | return PJ_ENOTFOUND; |
| 1028 | |
| 1029 | status = pjmedia_codec_mgr_get_default_param( codec_mgr, info, param); |
| 1030 | return status; |
| 1031 | } |
| 1032 | |
| 1033 | |
| 1034 | /* |
| 1035 | * Set codec parameters. |
| 1036 | */ |
| 1037 | PJ_DEF(pj_status_t) pjsua_codec_set_param( const pj_str_t *id, |
| 1038 | const pjmedia_codec_param *param) |
| 1039 | { |
| 1040 | PJ_TODO(set_codec_param); |
| 1041 | return PJ_SUCCESS; |
| 1042 | } |
| 1043 | |
| 1044 | |