Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2011-2011 Teluu Inc. (http://www.teluu.com) |
| 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 | #if defined(PJSUA_MEDIA_HAS_PJMEDIA) && PJSUA_MEDIA_HAS_PJMEDIA != 0 |
| 23 | |
| 24 | #define THIS_FILE "pjsua_vid.c" |
| 25 | |
| 26 | #if PJSUA_HAS_VIDEO |
| 27 | |
| 28 | #define ENABLE_EVENT 1 |
| 29 | #define VID_TEE_MAX_PORT (PJSUA_MAX_CALLS + 1) |
| 30 | |
| 31 | #define PJSUA_SHOW_WINDOW 1 |
| 32 | #define PJSUA_HIDE_WINDOW 0 |
| 33 | |
| 34 | |
| 35 | static void free_vid_win(pjsua_vid_win_id wid); |
| 36 | |
| 37 | /***************************************************************************** |
| 38 | * pjsua video subsystem. |
| 39 | */ |
| 40 | pj_status_t pjsua_vid_subsys_init(void) |
| 41 | { |
| 42 | unsigned i; |
| 43 | pj_status_t status; |
| 44 | |
| 45 | PJ_LOG(4,(THIS_FILE, "Initializing video subsystem..")); |
| 46 | pj_log_push_indent(); |
| 47 | |
| 48 | status = pjmedia_video_format_mgr_create(pjsua_var.pool, 64, 0, NULL); |
| 49 | if (status != PJ_SUCCESS) { |
| 50 | PJ_PERROR(1,(THIS_FILE, status, |
| 51 | "Error creating PJMEDIA video format manager")); |
| 52 | goto on_error; |
| 53 | } |
| 54 | |
| 55 | status = pjmedia_converter_mgr_create(pjsua_var.pool, NULL); |
| 56 | if (status != PJ_SUCCESS) { |
| 57 | PJ_PERROR(1,(THIS_FILE, status, |
| 58 | "Error creating PJMEDIA converter manager")); |
| 59 | goto on_error; |
| 60 | } |
| 61 | |
| 62 | status = pjmedia_event_mgr_create(pjsua_var.pool, 0, NULL); |
| 63 | if (status != PJ_SUCCESS) { |
| 64 | PJ_PERROR(1,(THIS_FILE, status, |
| 65 | "Error creating PJMEDIA event manager")); |
| 66 | goto on_error; |
| 67 | } |
| 68 | |
| 69 | status = pjmedia_vid_codec_mgr_create(pjsua_var.pool, NULL); |
| 70 | if (status != PJ_SUCCESS) { |
| 71 | PJ_PERROR(1,(THIS_FILE, status, |
| 72 | "Error creating PJMEDIA video codec manager")); |
| 73 | goto on_error; |
| 74 | } |
| 75 | |
| 76 | #if PJMEDIA_HAS_VIDEO && PJMEDIA_HAS_FFMPEG_VID_CODEC |
| 77 | status = pjmedia_codec_ffmpeg_vid_init(NULL, &pjsua_var.cp.factory); |
| 78 | if (status != PJ_SUCCESS) { |
| 79 | PJ_PERROR(1,(THIS_FILE, status, |
| 80 | "Error initializing ffmpeg library")); |
| 81 | goto on_error; |
| 82 | } |
| 83 | #endif |
| 84 | |
| 85 | status = pjmedia_vid_dev_subsys_init(&pjsua_var.cp.factory); |
| 86 | if (status != PJ_SUCCESS) { |
| 87 | PJ_PERROR(1,(THIS_FILE, status, |
| 88 | "Error creating PJMEDIA video subsystem")); |
| 89 | goto on_error; |
| 90 | } |
| 91 | |
| 92 | for (i=0; i<PJSUA_MAX_VID_WINS; ++i) { |
| 93 | if (pjsua_var.win[i].pool == NULL) { |
| 94 | pjsua_var.win[i].pool = pjsua_pool_create("win%p", 512, 512); |
| 95 | if (pjsua_var.win[i].pool == NULL) { |
| 96 | status = PJ_ENOMEM; |
| 97 | goto on_error; |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | pj_log_pop_indent(); |
| 103 | return PJ_SUCCESS; |
| 104 | |
| 105 | on_error: |
| 106 | pj_log_pop_indent(); |
| 107 | return status; |
| 108 | } |
| 109 | |
| 110 | pj_status_t pjsua_vid_subsys_start(void) |
| 111 | { |
| 112 | return PJ_SUCCESS; |
| 113 | } |
| 114 | |
| 115 | pj_status_t pjsua_vid_subsys_destroy(void) |
| 116 | { |
| 117 | unsigned i; |
| 118 | |
| 119 | PJ_LOG(4,(THIS_FILE, "Destroying video subsystem..")); |
| 120 | pj_log_push_indent(); |
| 121 | |
| 122 | for (i=0; i<PJSUA_MAX_VID_WINS; ++i) { |
| 123 | if (pjsua_var.win[i].pool) { |
| 124 | free_vid_win(i); |
| 125 | pj_pool_release(pjsua_var.win[i].pool); |
| 126 | pjsua_var.win[i].pool = NULL; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | pjmedia_vid_dev_subsys_shutdown(); |
| 131 | |
| 132 | #if PJMEDIA_HAS_FFMPEG_VID_CODEC |
| 133 | pjmedia_codec_ffmpeg_vid_deinit(); |
| 134 | #endif |
| 135 | |
| 136 | if (pjmedia_vid_codec_mgr_instance()) |
| 137 | pjmedia_vid_codec_mgr_destroy(NULL); |
| 138 | |
| 139 | if (pjmedia_converter_mgr_instance()) |
| 140 | pjmedia_converter_mgr_destroy(NULL); |
| 141 | |
| 142 | if (pjmedia_event_mgr_instance()) |
| 143 | pjmedia_event_mgr_destroy(NULL); |
| 144 | |
| 145 | if (pjmedia_video_format_mgr_instance()) |
| 146 | pjmedia_video_format_mgr_destroy(NULL); |
| 147 | |
| 148 | pj_log_pop_indent(); |
| 149 | return PJ_SUCCESS; |
| 150 | } |
| 151 | |
| 152 | PJ_DEF(const char*) pjsua_vid_win_type_name(pjsua_vid_win_type wt) |
| 153 | { |
| 154 | const char *win_type_names[] = { |
| 155 | "none", |
| 156 | "preview", |
| 157 | "stream" |
| 158 | }; |
| 159 | |
| 160 | return (wt < PJ_ARRAY_SIZE(win_type_names)) ? win_type_names[wt] : "??"; |
| 161 | } |
| 162 | |
| 163 | PJ_DEF(void) |
| 164 | pjsua_call_vid_strm_op_param_default(pjsua_call_vid_strm_op_param *param) |
| 165 | { |
| 166 | pj_bzero(param, sizeof(*param)); |
| 167 | param->med_idx = -1; |
| 168 | param->dir = PJMEDIA_DIR_ENCODING_DECODING; |
| 169 | param->cap_dev = PJMEDIA_VID_DEFAULT_CAPTURE_DEV; |
| 170 | } |
| 171 | |
| 172 | PJ_DEF(void) pjsua_vid_preview_param_default(pjsua_vid_preview_param *p) |
| 173 | { |
| 174 | p->rend_id = PJMEDIA_VID_DEFAULT_RENDER_DEV; |
| 175 | p->show = PJ_TRUE; |
| 176 | p->wnd_flags = 0; |
| 177 | } |
| 178 | |
| 179 | |
| 180 | /***************************************************************************** |
| 181 | * Devices. |
| 182 | */ |
| 183 | |
| 184 | /* |
| 185 | * Get the number of video devices installed in the system. |
| 186 | */ |
| 187 | PJ_DEF(unsigned) pjsua_vid_dev_count(void) |
| 188 | { |
| 189 | return pjmedia_vid_dev_count(); |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * Retrieve the video device info for the specified device index. |
| 194 | */ |
| 195 | PJ_DEF(pj_status_t) pjsua_vid_dev_get_info(pjmedia_vid_dev_index id, |
| 196 | pjmedia_vid_dev_info *vdi) |
| 197 | { |
| 198 | return pjmedia_vid_dev_get_info(id, vdi); |
| 199 | } |
| 200 | |
| 201 | /* |
| 202 | * Enum all video devices installed in the system. |
| 203 | */ |
| 204 | PJ_DEF(pj_status_t) pjsua_vid_enum_devs(pjmedia_vid_dev_info info[], |
| 205 | unsigned *count) |
| 206 | { |
| 207 | unsigned i, dev_count; |
| 208 | |
| 209 | dev_count = pjmedia_vid_dev_count(); |
| 210 | |
| 211 | if (dev_count > *count) dev_count = *count; |
| 212 | |
| 213 | for (i=0; i<dev_count; ++i) { |
| 214 | pj_status_t status; |
| 215 | |
| 216 | status = pjmedia_vid_dev_get_info(i, &info[i]); |
| 217 | if (status != PJ_SUCCESS) |
| 218 | return status; |
| 219 | } |
| 220 | |
| 221 | *count = dev_count; |
| 222 | |
| 223 | return PJ_SUCCESS; |
| 224 | } |
| 225 | |
| 226 | |
| 227 | /***************************************************************************** |
| 228 | * Codecs. |
| 229 | */ |
| 230 | |
| 231 | static pj_status_t find_codecs_with_rtp_packing( |
| 232 | const pj_str_t *codec_id, |
| 233 | unsigned *count, |
| 234 | const pjmedia_vid_codec_info *p_info[]) |
| 235 | { |
| 236 | const pjmedia_vid_codec_info *info[32]; |
| 237 | unsigned i, j, count_ = PJ_ARRAY_SIZE(info); |
| 238 | pj_status_t status; |
| 239 | |
| 240 | status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL, codec_id, |
| 241 | &count_, info, NULL); |
| 242 | if (status != PJ_SUCCESS) |
| 243 | return status; |
| 244 | |
| 245 | for (i = 0, j = 0; i < count_ && j<*count; ++i) { |
| 246 | if ((info[i]->packings & PJMEDIA_VID_PACKING_PACKETS) == 0) |
| 247 | continue; |
| 248 | p_info[j++] = info[i]; |
| 249 | } |
| 250 | *count = j; |
| 251 | return PJ_SUCCESS; |
| 252 | } |
| 253 | |
| 254 | /* |
| 255 | * Enum all supported video codecs in the system. |
| 256 | */ |
| 257 | PJ_DEF(pj_status_t) pjsua_vid_enum_codecs( pjsua_codec_info id[], |
| 258 | unsigned *p_count ) |
| 259 | { |
| 260 | pjmedia_vid_codec_info info[32]; |
| 261 | unsigned i, j, count, prio[32]; |
| 262 | pj_status_t status; |
| 263 | |
| 264 | count = PJ_ARRAY_SIZE(info); |
| 265 | status = pjmedia_vid_codec_mgr_enum_codecs(NULL, &count, info, prio); |
| 266 | if (status != PJ_SUCCESS) { |
| 267 | *p_count = 0; |
| 268 | return status; |
| 269 | } |
| 270 | |
| 271 | for (i=0, j=0; i<count && j<*p_count; ++i) { |
| 272 | if (info[i].packings & PJMEDIA_VID_PACKING_PACKETS) { |
| 273 | pj_bzero(&id[j], sizeof(pjsua_codec_info)); |
| 274 | |
| 275 | pjmedia_vid_codec_info_to_id(&info[i], id[j].buf_, sizeof(id[j].buf_)); |
| 276 | id[j].codec_id = pj_str(id[j].buf_); |
| 277 | id[j].priority = (pj_uint8_t) prio[i]; |
| 278 | |
| 279 | if (id[j].codec_id.slen < sizeof(id[j].buf_)) { |
| 280 | id[j].desc.ptr = id[j].codec_id.ptr + id[j].codec_id.slen + 1; |
| 281 | pj_strncpy(&id[j].desc, &info[i].encoding_desc, |
| 282 | sizeof(id[j].buf_) - id[j].codec_id.slen - 1); |
| 283 | } |
| 284 | |
| 285 | ++j; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | *p_count = j; |
| 290 | |
| 291 | return PJ_SUCCESS; |
| 292 | } |
| 293 | |
| 294 | |
| 295 | /* |
| 296 | * Change video codec priority. |
| 297 | */ |
| 298 | PJ_DEF(pj_status_t) pjsua_vid_codec_set_priority( const pj_str_t *codec_id, |
| 299 | pj_uint8_t priority ) |
| 300 | { |
| 301 | const pj_str_t all = { NULL, 0 }; |
| 302 | |
| 303 | if (codec_id->slen==1 && *codec_id->ptr=='*') |
| 304 | codec_id = &all; |
| 305 | |
| 306 | return pjmedia_vid_codec_mgr_set_codec_priority(NULL, codec_id, |
| 307 | priority); |
| 308 | } |
| 309 | |
| 310 | |
| 311 | /* |
| 312 | * Get video codec parameters. |
| 313 | */ |
| 314 | PJ_DEF(pj_status_t) pjsua_vid_codec_get_param( |
| 315 | const pj_str_t *codec_id, |
| 316 | pjmedia_vid_codec_param *param) |
| 317 | { |
| 318 | const pjmedia_vid_codec_info *info[2]; |
| 319 | unsigned count = 2; |
| 320 | pj_status_t status; |
| 321 | |
| 322 | status = find_codecs_with_rtp_packing(codec_id, &count, info); |
| 323 | if (status != PJ_SUCCESS) |
| 324 | return status; |
| 325 | |
| 326 | if (count != 1) |
| 327 | return (count > 1? PJ_ETOOMANY : PJ_ENOTFOUND); |
| 328 | |
| 329 | status = pjmedia_vid_codec_mgr_get_default_param(NULL, info[0], param); |
| 330 | return status; |
| 331 | } |
| 332 | |
| 333 | |
| 334 | /* |
| 335 | * Set video codec parameters. |
| 336 | */ |
| 337 | PJ_DEF(pj_status_t) pjsua_vid_codec_set_param( |
| 338 | const pj_str_t *codec_id, |
| 339 | const pjmedia_vid_codec_param *param) |
| 340 | { |
| 341 | const pjmedia_vid_codec_info *info[2]; |
| 342 | unsigned count = 2; |
| 343 | pj_status_t status; |
| 344 | |
| 345 | status = find_codecs_with_rtp_packing(codec_id, &count, info); |
| 346 | if (status != PJ_SUCCESS) |
| 347 | return status; |
| 348 | |
| 349 | if (count != 1) |
| 350 | return (count > 1? PJ_ETOOMANY : PJ_ENOTFOUND); |
| 351 | |
| 352 | status = pjmedia_vid_codec_mgr_set_default_param(NULL, info[0], param); |
| 353 | return status; |
| 354 | } |
| 355 | |
| 356 | |
| 357 | /***************************************************************************** |
| 358 | * Preview |
| 359 | */ |
| 360 | |
| 361 | static pjsua_vid_win_id vid_preview_get_win(pjmedia_vid_dev_index id, |
| 362 | pj_bool_t running_only) |
| 363 | { |
| 364 | pjsua_vid_win_id wid = PJSUA_INVALID_ID; |
| 365 | unsigned i; |
| 366 | |
| 367 | PJSUA_LOCK(); |
| 368 | |
| 369 | /* Get real capture ID, if set to PJMEDIA_VID_DEFAULT_CAPTURE_DEV */ |
| 370 | if (id == PJMEDIA_VID_DEFAULT_CAPTURE_DEV) { |
| 371 | pjmedia_vid_dev_info info; |
| 372 | pjmedia_vid_dev_get_info(id, &info); |
| 373 | id = info.id; |
| 374 | } |
| 375 | |
| 376 | for (i=0; i<PJSUA_MAX_VID_WINS; ++i) { |
| 377 | pjsua_vid_win *w = &pjsua_var.win[i]; |
| 378 | if (w->type == PJSUA_WND_TYPE_PREVIEW && w->preview_cap_id == id) { |
| 379 | wid = i; |
| 380 | break; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | if (wid != PJSUA_INVALID_ID && running_only) { |
| 385 | pjsua_vid_win *w = &pjsua_var.win[wid]; |
| 386 | wid = w->preview_running ? wid : PJSUA_INVALID_ID; |
| 387 | } |
| 388 | |
| 389 | PJSUA_UNLOCK(); |
| 390 | |
| 391 | return wid; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * NOTE: internal function don't use this!!! Use vid_preview_get_win() |
| 396 | * instead. This is because this function will only return window ID |
| 397 | * if preview is currently running. |
| 398 | */ |
| 399 | PJ_DEF(pjsua_vid_win_id) pjsua_vid_preview_get_win(pjmedia_vid_dev_index id) |
| 400 | { |
| 401 | return vid_preview_get_win(id, PJ_TRUE); |
| 402 | } |
| 403 | |
| 404 | PJ_DEF(void) pjsua_vid_win_reset(pjsua_vid_win_id wid) |
| 405 | { |
| 406 | pjsua_vid_win *w = &pjsua_var.win[wid]; |
| 407 | pj_pool_t *pool = w->pool; |
| 408 | |
| 409 | pj_bzero(w, sizeof(*w)); |
| 410 | if (pool) pj_pool_reset(pool); |
| 411 | w->ref_cnt = 0; |
| 412 | w->pool = pool; |
| 413 | w->preview_cap_id = PJMEDIA_VID_INVALID_DEV; |
| 414 | } |
| 415 | |
| 416 | /* Allocate and initialize pjsua video window: |
| 417 | * - If the type is preview, video capture, tee, and render |
| 418 | * will be instantiated. |
| 419 | * - If the type is stream, only renderer will be created. |
| 420 | */ |
| 421 | static pj_status_t create_vid_win(pjsua_vid_win_type type, |
| 422 | const pjmedia_format *fmt, |
| 423 | pjmedia_vid_dev_index rend_id, |
| 424 | pjmedia_vid_dev_index cap_id, |
| 425 | pj_bool_t show, |
| 426 | unsigned wnd_flags, |
| 427 | pjsua_vid_win_id *id) |
| 428 | { |
| 429 | pj_bool_t enable_native_preview; |
| 430 | pjsua_vid_win_id wid = PJSUA_INVALID_ID; |
| 431 | pjsua_vid_win *w = NULL; |
| 432 | pjmedia_vid_port_param vp_param; |
| 433 | pjmedia_format fmt_; |
| 434 | pj_status_t status; |
| 435 | unsigned i; |
| 436 | |
| 437 | enable_native_preview = pjsua_var.media_cfg.vid_preview_enable_native; |
| 438 | |
| 439 | PJ_LOG(4,(THIS_FILE, |
| 440 | "Creating video window: type=%s, cap_id=%d, rend_id=%d", |
| 441 | pjsua_vid_win_type_name(type), cap_id, rend_id)); |
| 442 | pj_log_push_indent(); |
| 443 | |
| 444 | /* If type is preview, check if it exists already */ |
| 445 | if (type == PJSUA_WND_TYPE_PREVIEW) { |
| 446 | wid = vid_preview_get_win(cap_id, PJ_FALSE); |
| 447 | if (wid != PJSUA_INVALID_ID) { |
| 448 | /* Yes, it exists */ |
| 449 | /* Show/hide window */ |
| 450 | pjmedia_vid_dev_stream *strm; |
| 451 | pj_bool_t hide = !show; |
| 452 | |
| 453 | w = &pjsua_var.win[wid]; |
| 454 | |
| 455 | PJ_LOG(4,(THIS_FILE, |
| 456 | "Window already exists for cap_dev=%d, returning wid=%d", |
| 457 | cap_id, wid)); |
| 458 | |
| 459 | |
| 460 | if (w->is_native) { |
| 461 | strm = pjmedia_vid_port_get_stream(w->vp_cap); |
| 462 | } else { |
| 463 | strm = pjmedia_vid_port_get_stream(w->vp_rend); |
| 464 | } |
| 465 | |
| 466 | pj_assert(strm); |
| 467 | status = pjmedia_vid_dev_stream_set_cap( |
| 468 | strm, PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE, |
| 469 | &hide); |
| 470 | |
| 471 | pjmedia_vid_dev_stream_set_cap( |
| 472 | strm, PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS, |
| 473 | &wnd_flags); |
| 474 | |
| 475 | /* Done */ |
| 476 | *id = wid; |
| 477 | pj_log_pop_indent(); |
| 478 | |
| 479 | return status; |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /* Allocate window */ |
| 484 | for (i=0; i<PJSUA_MAX_VID_WINS; ++i) { |
| 485 | w = &pjsua_var.win[i]; |
| 486 | if (w->type == PJSUA_WND_TYPE_NONE) { |
| 487 | wid = i; |
| 488 | w->type = type; |
| 489 | break; |
| 490 | } |
| 491 | } |
| 492 | if (i == PJSUA_MAX_VID_WINS) { |
| 493 | pj_log_pop_indent(); |
| 494 | return PJ_ETOOMANY; |
| 495 | } |
| 496 | |
| 497 | /* Initialize window */ |
| 498 | pjmedia_vid_port_param_default(&vp_param); |
| 499 | |
| 500 | if (w->type == PJSUA_WND_TYPE_PREVIEW) { |
| 501 | pjmedia_vid_dev_info vdi; |
| 502 | |
| 503 | /* |
| 504 | * Determine if the device supports native preview. |
| 505 | */ |
| 506 | status = pjmedia_vid_dev_get_info(cap_id, &vdi); |
| 507 | if (status != PJ_SUCCESS) |
| 508 | goto on_error; |
| 509 | |
| 510 | if (enable_native_preview && |
| 511 | (vdi.caps & PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW)) |
| 512 | { |
| 513 | /* Device supports native preview! */ |
| 514 | w->is_native = PJ_TRUE; |
| 515 | } |
| 516 | |
| 517 | status = pjmedia_vid_dev_default_param(w->pool, cap_id, |
| 518 | &vp_param.vidparam); |
| 519 | if (status != PJ_SUCCESS) |
| 520 | goto on_error; |
| 521 | |
| 522 | if (w->is_native) { |
| 523 | vp_param.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE; |
| 524 | vp_param.vidparam.window_hide = !show; |
| 525 | vp_param.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; |
| 526 | vp_param.vidparam.window_flags = wnd_flags; |
| 527 | } |
| 528 | |
| 529 | /* Normalize capture ID, in case it was set to |
| 530 | * PJMEDIA_VID_DEFAULT_CAPTURE_DEV |
| 531 | */ |
| 532 | cap_id = vp_param.vidparam.cap_id; |
| 533 | |
| 534 | /* Assign preview capture device ID */ |
| 535 | w->preview_cap_id = cap_id; |
| 536 | |
| 537 | /* Create capture video port */ |
| 538 | vp_param.active = PJ_TRUE; |
| 539 | vp_param.vidparam.dir = PJMEDIA_DIR_CAPTURE; |
| 540 | if (fmt) |
| 541 | vp_param.vidparam.fmt = *fmt; |
| 542 | |
| 543 | status = pjmedia_vid_port_create(w->pool, &vp_param, &w->vp_cap); |
| 544 | if (status != PJ_SUCCESS) |
| 545 | goto on_error; |
| 546 | |
| 547 | /* Update format info */ |
| 548 | fmt_ = vp_param.vidparam.fmt; |
| 549 | fmt = &fmt_; |
| 550 | |
| 551 | /* Create video tee */ |
| 552 | status = pjmedia_vid_tee_create(w->pool, fmt, VID_TEE_MAX_PORT, |
| 553 | &w->tee); |
| 554 | if (status != PJ_SUCCESS) |
| 555 | goto on_error; |
| 556 | |
| 557 | /* Connect capturer to the video tee */ |
| 558 | status = pjmedia_vid_port_connect(w->vp_cap, w->tee, PJ_FALSE); |
| 559 | if (status != PJ_SUCCESS) |
| 560 | goto on_error; |
| 561 | |
| 562 | /* If device supports native preview, enable it */ |
| 563 | if (w->is_native) { |
| 564 | pjmedia_vid_dev_stream *cap_dev; |
| 565 | pj_bool_t enabled = PJ_TRUE; |
| 566 | |
| 567 | cap_dev = pjmedia_vid_port_get_stream(w->vp_cap); |
| 568 | status = pjmedia_vid_dev_stream_set_cap( |
| 569 | cap_dev, PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW, |
| 570 | &enabled); |
| 571 | if (status != PJ_SUCCESS) { |
| 572 | PJ_PERROR(1,(THIS_FILE, status, |
| 573 | "Error activating native preview, falling back " |
| 574 | "to software preview..")); |
| 575 | w->is_native = PJ_FALSE; |
| 576 | } |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | /* Create renderer video port, only if it's not a native preview */ |
| 581 | if (!w->is_native) { |
| 582 | status = pjmedia_vid_dev_default_param(w->pool, rend_id, |
| 583 | &vp_param.vidparam); |
| 584 | if (status != PJ_SUCCESS) |
| 585 | goto on_error; |
| 586 | |
| 587 | vp_param.active = (w->type == PJSUA_WND_TYPE_STREAM); |
| 588 | vp_param.vidparam.dir = PJMEDIA_DIR_RENDER; |
| 589 | vp_param.vidparam.fmt = *fmt; |
| 590 | vp_param.vidparam.disp_size = fmt->det.vid.size; |
| 591 | vp_param.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE; |
| 592 | vp_param.vidparam.window_hide = !show; |
| 593 | vp_param.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; |
| 594 | vp_param.vidparam.window_flags = wnd_flags; |
| 595 | |
| 596 | status = pjmedia_vid_port_create(w->pool, &vp_param, &w->vp_rend); |
| 597 | if (status != PJ_SUCCESS) |
| 598 | goto on_error; |
| 599 | |
| 600 | /* For preview window, connect capturer & renderer (via tee) */ |
| 601 | if (w->type == PJSUA_WND_TYPE_PREVIEW) { |
| 602 | pjmedia_port *rend_port; |
| 603 | |
| 604 | rend_port = pjmedia_vid_port_get_passive_port(w->vp_rend); |
| 605 | status = pjmedia_vid_tee_add_dst_port2(w->tee, 0, rend_port); |
| 606 | if (status != PJ_SUCCESS) |
| 607 | goto on_error; |
| 608 | } |
| 609 | |
| 610 | PJ_LOG(4,(THIS_FILE, |
| 611 | "%s window id %d created for cap_dev=%d rend_dev=%d", |
| 612 | pjsua_vid_win_type_name(type), wid, cap_id, rend_id)); |
| 613 | } else { |
| 614 | PJ_LOG(4,(THIS_FILE, |
| 615 | "Preview window id %d created for cap_dev %d, " |
| 616 | "using built-in preview!", |
| 617 | wid, cap_id)); |
| 618 | } |
| 619 | |
| 620 | |
| 621 | /* Done */ |
| 622 | *id = wid; |
| 623 | |
| 624 | PJ_LOG(4,(THIS_FILE, "Window %d created", wid)); |
| 625 | pj_log_pop_indent(); |
| 626 | return PJ_SUCCESS; |
| 627 | |
| 628 | on_error: |
| 629 | free_vid_win(wid); |
| 630 | pj_log_pop_indent(); |
| 631 | return status; |
| 632 | } |
| 633 | |
| 634 | |
| 635 | static void free_vid_win(pjsua_vid_win_id wid) |
| 636 | { |
| 637 | pjsua_vid_win *w = &pjsua_var.win[wid]; |
| 638 | |
| 639 | PJ_LOG(4,(THIS_FILE, "Window %d: destroying..", wid)); |
| 640 | pj_log_push_indent(); |
| 641 | |
| 642 | if (w->vp_cap) { |
| 643 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, NULL, |
| 644 | w->vp_cap); |
| 645 | pjmedia_vid_port_stop(w->vp_cap); |
| 646 | pjmedia_vid_port_disconnect(w->vp_cap); |
| 647 | pjmedia_vid_port_destroy(w->vp_cap); |
| 648 | } |
| 649 | if (w->vp_rend) { |
| 650 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, NULL, |
| 651 | w->vp_rend); |
| 652 | pjmedia_vid_port_stop(w->vp_rend); |
| 653 | pjmedia_vid_port_destroy(w->vp_rend); |
| 654 | } |
| 655 | if (w->tee) { |
| 656 | pjmedia_port_destroy(w->tee); |
| 657 | } |
| 658 | pjsua_vid_win_reset(wid); |
| 659 | |
| 660 | pj_log_pop_indent(); |
| 661 | } |
| 662 | |
| 663 | |
| 664 | static void inc_vid_win(pjsua_vid_win_id wid) |
| 665 | { |
| 666 | pjsua_vid_win *w; |
| 667 | |
| 668 | pj_assert(wid >= 0 && wid < PJSUA_MAX_VID_WINS); |
| 669 | |
| 670 | w = &pjsua_var.win[wid]; |
| 671 | pj_assert(w->type != PJSUA_WND_TYPE_NONE); |
| 672 | ++w->ref_cnt; |
| 673 | } |
| 674 | |
| 675 | static void dec_vid_win(pjsua_vid_win_id wid) |
| 676 | { |
| 677 | pjsua_vid_win *w; |
| 678 | |
| 679 | pj_assert(wid >= 0 && wid < PJSUA_MAX_VID_WINS); |
| 680 | |
| 681 | w = &pjsua_var.win[wid]; |
| 682 | pj_assert(w->type != PJSUA_WND_TYPE_NONE); |
| 683 | if (--w->ref_cnt == 0) |
| 684 | free_vid_win(wid); |
| 685 | } |
| 686 | |
| 687 | /* Initialize video call media */ |
| 688 | pj_status_t pjsua_vid_channel_init(pjsua_call_media *call_med) |
| 689 | { |
| 690 | pjsua_acc *acc = &pjsua_var.acc[call_med->call->acc_id]; |
| 691 | |
| 692 | call_med->strm.v.rdr_dev = acc->cfg.vid_rend_dev; |
| 693 | call_med->strm.v.cap_dev = acc->cfg.vid_cap_dev; |
| 694 | if (call_med->strm.v.rdr_dev == PJMEDIA_VID_DEFAULT_RENDER_DEV) { |
| 695 | pjmedia_vid_dev_info info; |
| 696 | pjmedia_vid_dev_get_info(call_med->strm.v.rdr_dev, &info); |
| 697 | call_med->strm.v.rdr_dev = info.id; |
| 698 | } |
| 699 | if (call_med->strm.v.cap_dev == PJMEDIA_VID_DEFAULT_CAPTURE_DEV) { |
| 700 | pjmedia_vid_dev_info info; |
| 701 | pjmedia_vid_dev_get_info(call_med->strm.v.cap_dev, &info); |
| 702 | call_med->strm.v.cap_dev = info.id; |
| 703 | } |
| 704 | |
| 705 | return PJ_SUCCESS; |
| 706 | } |
| 707 | |
| 708 | /* Internal function: update video channel after SDP negotiation. |
| 709 | * Warning: do not use temporary/flip-flop pool, e.g: inv->pool_prov, |
| 710 | * for creating stream, etc, as after SDP negotiation and when |
| 711 | * the SDP media is not changed, the stream should remain running |
| 712 | * while the temporary/flip-flop pool may be released. |
| 713 | */ |
| 714 | pj_status_t pjsua_vid_channel_update(pjsua_call_media *call_med, |
| 715 | pj_pool_t *tmp_pool, |
| 716 | pjmedia_vid_stream_info *si, |
| 717 | const pjmedia_sdp_session *local_sdp, |
| 718 | const pjmedia_sdp_session *remote_sdp) |
| 719 | { |
| 720 | pjsua_call *call = call_med->call; |
| 721 | pjsua_acc *acc = &pjsua_var.acc[call->acc_id]; |
| 722 | pjmedia_port *media_port; |
| 723 | pj_status_t status; |
| 724 | |
| 725 | PJ_UNUSED_ARG(tmp_pool); |
| 726 | PJ_UNUSED_ARG(local_sdp); |
| 727 | PJ_UNUSED_ARG(remote_sdp); |
| 728 | |
| 729 | PJ_LOG(4,(THIS_FILE, "Video channel update..")); |
| 730 | pj_log_push_indent(); |
| 731 | |
| 732 | si->rtcp_sdes_bye_disabled = pjsua_var.media_cfg.no_rtcp_sdes_bye;; |
| 733 | |
| 734 | /* Check if no media is active */ |
| 735 | if (si->dir != PJMEDIA_DIR_NONE) { |
| 736 | /* Optionally, application may modify other stream settings here |
| 737 | * (such as jitter buffer parameters, codec ptime, etc.) |
| 738 | */ |
| 739 | si->jb_init = pjsua_var.media_cfg.jb_init; |
| 740 | si->jb_min_pre = pjsua_var.media_cfg.jb_min_pre; |
| 741 | si->jb_max_pre = pjsua_var.media_cfg.jb_max_pre; |
| 742 | si->jb_max = pjsua_var.media_cfg.jb_max; |
| 743 | |
| 744 | /* Set SSRC */ |
| 745 | si->ssrc = call_med->ssrc; |
| 746 | |
| 747 | /* Set RTP timestamp & sequence, normally these value are intialized |
| 748 | * automatically when stream session created, but for some cases (e.g: |
| 749 | * call reinvite, call update) timestamp and sequence need to be kept |
| 750 | * contigue. |
| 751 | */ |
| 752 | si->rtp_ts = call_med->rtp_tx_ts; |
| 753 | si->rtp_seq = call_med->rtp_tx_seq; |
| 754 | si->rtp_seq_ts_set = call_med->rtp_tx_seq_ts_set; |
| 755 | |
| 756 | /* Set rate control config from account setting */ |
| 757 | si->rc_cfg = acc->cfg.vid_stream_rc_cfg; |
| 758 | |
| 759 | #if defined(PJMEDIA_STREAM_ENABLE_KA) && PJMEDIA_STREAM_ENABLE_KA!=0 |
| 760 | /* Enable/disable stream keep-alive and NAT hole punch. */ |
| 761 | si->use_ka = pjsua_var.acc[call->acc_id].cfg.use_stream_ka; |
| 762 | #endif |
| 763 | |
| 764 | /* Try to get shared format ID between the capture device and |
| 765 | * the encoder to avoid format conversion in the capture device. |
| 766 | */ |
| 767 | if (si->dir & PJMEDIA_DIR_ENCODING) { |
| 768 | pjmedia_vid_dev_info dev_info; |
| 769 | pjmedia_vid_codec_info *codec_info = &si->codec_info; |
| 770 | unsigned i, j; |
| 771 | |
| 772 | status = pjmedia_vid_dev_get_info(call_med->strm.v.cap_dev, |
| 773 | &dev_info); |
| 774 | if (status != PJ_SUCCESS) |
| 775 | goto on_error; |
| 776 | |
| 777 | /* Find matched format ID */ |
| 778 | for (i = 0; i < codec_info->dec_fmt_id_cnt; ++i) { |
| 779 | for (j = 0; j < dev_info.fmt_cnt; ++j) { |
| 780 | if (codec_info->dec_fmt_id[i] == |
| 781 | (pjmedia_format_id)dev_info.fmt[j].id) |
| 782 | { |
| 783 | /* Apply the matched format ID to the codec */ |
| 784 | si->codec_param->dec_fmt.id = |
| 785 | codec_info->dec_fmt_id[i]; |
| 786 | |
| 787 | /* Force outer loop to break */ |
| 788 | i = codec_info->dec_fmt_id_cnt; |
| 789 | break; |
| 790 | } |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | /* Create session based on session info. */ |
| 796 | status = pjmedia_vid_stream_create(pjsua_var.med_endpt, NULL, si, |
| 797 | call_med->tp, NULL, |
| 798 | &call_med->strm.v.stream); |
| 799 | if (status != PJ_SUCCESS) |
| 800 | goto on_error; |
| 801 | |
| 802 | /* Start stream */ |
| 803 | status = pjmedia_vid_stream_start(call_med->strm.v.stream); |
| 804 | if (status != PJ_SUCCESS) |
| 805 | goto on_error; |
| 806 | |
| 807 | if (call_med->prev_state == PJSUA_CALL_MEDIA_NONE) |
| 808 | pjmedia_vid_stream_send_rtcp_sdes(call_med->strm.v.stream); |
| 809 | |
| 810 | /* Setup decoding direction */ |
| 811 | if (si->dir & PJMEDIA_DIR_DECODING) |
| 812 | { |
| 813 | pjsua_vid_win_id wid; |
| 814 | pjsua_vid_win *w; |
| 815 | |
| 816 | PJ_LOG(4,(THIS_FILE, "Setting up RX..")); |
| 817 | pj_log_push_indent(); |
| 818 | |
| 819 | status = pjmedia_vid_stream_get_port(call_med->strm.v.stream, |
| 820 | PJMEDIA_DIR_DECODING, |
| 821 | &media_port); |
| 822 | if (status != PJ_SUCCESS) { |
| 823 | pj_log_pop_indent(); |
| 824 | goto on_error; |
| 825 | } |
| 826 | |
| 827 | /* Create stream video window */ |
| 828 | status = create_vid_win(PJSUA_WND_TYPE_STREAM, |
| 829 | &media_port->info.fmt, |
| 830 | call_med->strm.v.rdr_dev, |
| 831 | //acc->cfg.vid_rend_dev, |
| 832 | PJSUA_INVALID_ID, |
| 833 | acc->cfg.vid_in_auto_show, |
| 834 | acc->cfg.vid_wnd_flags, |
| 835 | &wid); |
| 836 | if (status != PJ_SUCCESS) { |
| 837 | pj_log_pop_indent(); |
| 838 | goto on_error; |
| 839 | } |
| 840 | |
| 841 | w = &pjsua_var.win[wid]; |
| 842 | |
| 843 | #if ENABLE_EVENT |
| 844 | /* Register to video events */ |
| 845 | pjmedia_event_subscribe(NULL, &call_media_on_event, |
| 846 | call_med, w->vp_rend); |
| 847 | #endif |
| 848 | |
| 849 | /* Connect renderer to stream */ |
| 850 | status = pjmedia_vid_port_connect(w->vp_rend, media_port, |
| 851 | PJ_FALSE); |
| 852 | if (status != PJ_SUCCESS) { |
| 853 | pj_log_pop_indent(); |
| 854 | goto on_error; |
| 855 | } |
| 856 | |
| 857 | /* Start renderer */ |
| 858 | status = pjmedia_vid_port_start(w->vp_rend); |
| 859 | if (status != PJ_SUCCESS) { |
| 860 | pj_log_pop_indent(); |
| 861 | goto on_error; |
| 862 | } |
| 863 | |
| 864 | /* Done */ |
| 865 | inc_vid_win(wid); |
| 866 | call_med->strm.v.rdr_win_id = wid; |
| 867 | pj_log_pop_indent(); |
| 868 | } |
| 869 | |
| 870 | /* Setup encoding direction */ |
| 871 | if (si->dir & PJMEDIA_DIR_ENCODING && !call->local_hold) |
| 872 | { |
| 873 | pjsua_acc *acc = &pjsua_var.acc[call_med->call->acc_id]; |
| 874 | pjsua_vid_win *w; |
| 875 | pjsua_vid_win_id wid; |
| 876 | pj_bool_t just_created = PJ_FALSE; |
| 877 | |
| 878 | PJ_LOG(4,(THIS_FILE, "Setting up TX..")); |
| 879 | pj_log_push_indent(); |
| 880 | |
| 881 | status = pjmedia_vid_stream_get_port(call_med->strm.v.stream, |
| 882 | PJMEDIA_DIR_ENCODING, |
| 883 | &media_port); |
| 884 | if (status != PJ_SUCCESS) { |
| 885 | pj_log_pop_indent(); |
| 886 | goto on_error; |
| 887 | } |
| 888 | |
| 889 | /* Note: calling pjsua_vid_preview_get_win() even though |
| 890 | * create_vid_win() will automatically create the window |
| 891 | * if it doesn't exist, because create_vid_win() will modify |
| 892 | * existing window SHOW/HIDE value. |
| 893 | */ |
| 894 | wid = vid_preview_get_win(call_med->strm.v.cap_dev, PJ_FALSE); |
| 895 | if (wid == PJSUA_INVALID_ID) { |
| 896 | /* Create preview video window */ |
| 897 | status = create_vid_win(PJSUA_WND_TYPE_PREVIEW, |
| 898 | &media_port->info.fmt, |
| 899 | call_med->strm.v.rdr_dev, |
| 900 | call_med->strm.v.cap_dev, |
| 901 | //acc->cfg.vid_rend_dev, |
| 902 | //acc->cfg.vid_cap_dev, |
| 903 | PJSUA_HIDE_WINDOW, |
| 904 | acc->cfg.vid_wnd_flags, |
| 905 | &wid); |
| 906 | if (status != PJ_SUCCESS) { |
| 907 | pj_log_pop_indent(); |
| 908 | return status; |
| 909 | } |
| 910 | just_created = PJ_TRUE; |
| 911 | } |
| 912 | |
| 913 | w = &pjsua_var.win[wid]; |
| 914 | #if ENABLE_EVENT |
| 915 | pjmedia_event_subscribe(NULL, &call_media_on_event, |
| 916 | call_med, w->vp_cap); |
| 917 | #endif |
| 918 | |
| 919 | /* Connect stream to capturer (via video window tee) */ |
| 920 | status = pjmedia_vid_tee_add_dst_port2(w->tee, 0, media_port); |
| 921 | if (status != PJ_SUCCESS) { |
| 922 | pj_log_pop_indent(); |
| 923 | goto on_error; |
| 924 | } |
| 925 | |
| 926 | /* Start capturer */ |
| 927 | if (just_created) { |
| 928 | status = pjmedia_vid_port_start(w->vp_cap); |
| 929 | if (status != PJ_SUCCESS) { |
| 930 | pj_log_pop_indent(); |
| 931 | goto on_error; |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | /* Done */ |
| 936 | inc_vid_win(wid); |
| 937 | call_med->strm.v.cap_win_id = wid; |
| 938 | pj_log_pop_indent(); |
| 939 | } |
| 940 | |
| 941 | } |
| 942 | |
| 943 | if (!acc->cfg.vid_out_auto_transmit && call_med->strm.v.stream) { |
| 944 | status = pjmedia_vid_stream_pause(call_med->strm.v.stream, |
| 945 | PJMEDIA_DIR_ENCODING); |
| 946 | if (status != PJ_SUCCESS) |
| 947 | goto on_error; |
| 948 | } |
| 949 | |
| 950 | pj_log_pop_indent(); |
| 951 | return PJ_SUCCESS; |
| 952 | |
| 953 | on_error: |
| 954 | pj_log_pop_indent(); |
| 955 | return status; |
| 956 | } |
| 957 | |
| 958 | |
| 959 | /* Internal function to stop video stream */ |
| 960 | void pjsua_vid_stop_stream(pjsua_call_media *call_med) |
| 961 | { |
| 962 | pjmedia_vid_stream *strm = call_med->strm.v.stream; |
| 963 | pjmedia_rtcp_stat stat; |
| 964 | |
| 965 | pj_assert(call_med->type == PJMEDIA_TYPE_VIDEO); |
| 966 | |
| 967 | if (!strm) |
| 968 | return; |
| 969 | |
| 970 | PJ_LOG(4,(THIS_FILE, "Stopping video stream..")); |
| 971 | pj_log_push_indent(); |
| 972 | |
| 973 | pjmedia_vid_stream_send_rtcp_bye(strm); |
| 974 | |
| 975 | if (call_med->strm.v.cap_win_id != PJSUA_INVALID_ID) { |
| 976 | pjmedia_port *media_port; |
| 977 | pjsua_vid_win *w = &pjsua_var.win[call_med->strm.v.cap_win_id]; |
| 978 | pj_status_t status; |
| 979 | |
| 980 | /* Stop the capture before detaching stream and unsubscribing event */ |
| 981 | pjmedia_vid_port_stop(w->vp_cap); |
| 982 | |
| 983 | /* Disconnect video stream from capture device */ |
| 984 | status = pjmedia_vid_stream_get_port(call_med->strm.v.stream, |
| 985 | PJMEDIA_DIR_ENCODING, |
| 986 | &media_port); |
| 987 | if (status == PJ_SUCCESS) { |
| 988 | pjmedia_vid_tee_remove_dst_port(w->tee, media_port); |
| 989 | } |
| 990 | |
| 991 | /* Unsubscribe event */ |
| 992 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, call_med, |
| 993 | w->vp_cap); |
| 994 | |
| 995 | /* Re-start capture again, if it is used by other stream */ |
| 996 | if (w->ref_cnt > 1) |
| 997 | pjmedia_vid_port_start(w->vp_cap); |
| 998 | |
| 999 | dec_vid_win(call_med->strm.v.cap_win_id); |
| 1000 | call_med->strm.v.cap_win_id = PJSUA_INVALID_ID; |
| 1001 | } |
| 1002 | |
| 1003 | if (call_med->strm.v.rdr_win_id != PJSUA_INVALID_ID) { |
| 1004 | pjsua_vid_win *w = &pjsua_var.win[call_med->strm.v.rdr_win_id]; |
| 1005 | |
| 1006 | /* Stop the render before unsubscribing event */ |
| 1007 | pjmedia_vid_port_stop(w->vp_rend); |
| 1008 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, call_med, |
| 1009 | w->vp_rend); |
| 1010 | |
| 1011 | dec_vid_win(call_med->strm.v.rdr_win_id); |
| 1012 | call_med->strm.v.rdr_win_id = PJSUA_INVALID_ID; |
| 1013 | } |
| 1014 | |
| 1015 | if ((call_med->dir & PJMEDIA_DIR_ENCODING) && |
| 1016 | (pjmedia_vid_stream_get_stat(strm, &stat) == PJ_SUCCESS)) |
| 1017 | { |
| 1018 | /* Save RTP timestamp & sequence, so when media session is |
| 1019 | * restarted, those values will be restored as the initial |
| 1020 | * RTP timestamp & sequence of the new media session. So in |
| 1021 | * the same call session, RTP timestamp and sequence are |
| 1022 | * guaranteed to be contigue. |
| 1023 | */ |
| 1024 | call_med->rtp_tx_seq_ts_set = 1 | (1 << 1); |
| 1025 | call_med->rtp_tx_seq = stat.rtp_tx_last_seq; |
| 1026 | call_med->rtp_tx_ts = stat.rtp_tx_last_ts; |
| 1027 | } |
| 1028 | |
| 1029 | pjmedia_vid_stream_destroy(strm); |
| 1030 | call_med->strm.v.stream = NULL; |
| 1031 | |
| 1032 | pj_log_pop_indent(); |
| 1033 | } |
| 1034 | |
| 1035 | /* |
| 1036 | * Does it have built-in preview support. |
| 1037 | */ |
| 1038 | PJ_DEF(pj_bool_t) pjsua_vid_preview_has_native(pjmedia_vid_dev_index id) |
| 1039 | { |
| 1040 | pjmedia_vid_dev_info vdi; |
| 1041 | |
| 1042 | return (pjmedia_vid_dev_get_info(id, &vdi)==PJ_SUCCESS) ? |
| 1043 | ((vdi.caps & PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW)!=0) : PJ_FALSE; |
| 1044 | } |
| 1045 | |
| 1046 | /* |
| 1047 | * Start video preview window for the specified capture device. |
| 1048 | */ |
| 1049 | PJ_DEF(pj_status_t) pjsua_vid_preview_start(pjmedia_vid_dev_index id, |
| 1050 | const pjsua_vid_preview_param *prm) |
| 1051 | { |
| 1052 | pjsua_vid_win_id wid; |
| 1053 | pjsua_vid_win *w; |
| 1054 | pjmedia_vid_dev_index rend_id; |
| 1055 | pjsua_vid_preview_param default_param; |
| 1056 | pj_status_t status; |
| 1057 | |
| 1058 | if (!prm) { |
| 1059 | pjsua_vid_preview_param_default(&default_param); |
| 1060 | prm = &default_param; |
| 1061 | } |
| 1062 | |
| 1063 | PJ_LOG(4,(THIS_FILE, "Starting preview for cap_dev=%d, show=%d", |
| 1064 | id, prm->show)); |
| 1065 | pj_log_push_indent(); |
| 1066 | |
| 1067 | PJSUA_LOCK(); |
| 1068 | |
| 1069 | rend_id = prm->rend_id; |
| 1070 | |
| 1071 | status = create_vid_win(PJSUA_WND_TYPE_PREVIEW, NULL, rend_id, id, |
| 1072 | prm->show, prm->wnd_flags, &wid); |
| 1073 | if (status != PJ_SUCCESS) { |
| 1074 | PJSUA_UNLOCK(); |
| 1075 | pj_log_pop_indent(); |
| 1076 | return status; |
| 1077 | } |
| 1078 | |
| 1079 | w = &pjsua_var.win[wid]; |
| 1080 | if (w->preview_running) { |
| 1081 | PJSUA_UNLOCK(); |
| 1082 | pj_log_pop_indent(); |
| 1083 | return PJ_SUCCESS; |
| 1084 | } |
| 1085 | |
| 1086 | /* Start renderer, unless it's native preview */ |
| 1087 | if (w->is_native && !pjmedia_vid_port_is_running(w->vp_cap)) { |
| 1088 | pjmedia_vid_dev_stream *cap_dev; |
| 1089 | pj_bool_t enabled = PJ_TRUE; |
| 1090 | |
| 1091 | cap_dev = pjmedia_vid_port_get_stream(w->vp_cap); |
| 1092 | status = pjmedia_vid_dev_stream_set_cap( |
| 1093 | cap_dev, PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW, |
| 1094 | &enabled); |
| 1095 | if (status != PJ_SUCCESS) { |
| 1096 | PJ_PERROR(1,(THIS_FILE, status, |
| 1097 | "Error activating native preview, falling back " |
| 1098 | "to software preview..")); |
| 1099 | w->is_native = PJ_FALSE; |
| 1100 | } |
| 1101 | } |
| 1102 | |
| 1103 | if (!w->is_native && !pjmedia_vid_port_is_running(w->vp_rend)) { |
| 1104 | status = pjmedia_vid_port_start(w->vp_rend); |
| 1105 | if (status != PJ_SUCCESS) { |
| 1106 | PJSUA_UNLOCK(); |
| 1107 | pj_log_pop_indent(); |
| 1108 | return status; |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | /* Start capturer */ |
| 1113 | if (!pjmedia_vid_port_is_running(w->vp_cap)) { |
| 1114 | status = pjmedia_vid_port_start(w->vp_cap); |
| 1115 | if (status != PJ_SUCCESS) { |
| 1116 | PJSUA_UNLOCK(); |
| 1117 | pj_log_pop_indent(); |
| 1118 | return status; |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | inc_vid_win(wid); |
| 1123 | w->preview_running = PJ_TRUE; |
| 1124 | |
| 1125 | PJSUA_UNLOCK(); |
| 1126 | pj_log_pop_indent(); |
| 1127 | return PJ_SUCCESS; |
| 1128 | } |
| 1129 | |
| 1130 | /* |
| 1131 | * Stop video preview. |
| 1132 | */ |
| 1133 | PJ_DEF(pj_status_t) pjsua_vid_preview_stop(pjmedia_vid_dev_index id) |
| 1134 | { |
| 1135 | pjsua_vid_win_id wid = PJSUA_INVALID_ID; |
| 1136 | pjsua_vid_win *w; |
| 1137 | pj_status_t status; |
| 1138 | |
| 1139 | PJSUA_LOCK(); |
| 1140 | wid = pjsua_vid_preview_get_win(id); |
| 1141 | if (wid == PJSUA_INVALID_ID) { |
| 1142 | PJSUA_UNLOCK(); |
| 1143 | pj_log_pop_indent(); |
| 1144 | return PJ_ENOTFOUND; |
| 1145 | } |
| 1146 | |
| 1147 | PJ_LOG(4,(THIS_FILE, "Stopping preview for cap_dev=%d", id)); |
| 1148 | pj_log_push_indent(); |
| 1149 | |
| 1150 | w = &pjsua_var.win[wid]; |
| 1151 | if (w->preview_running) { |
| 1152 | if (w->is_native) { |
| 1153 | pjmedia_vid_dev_stream *cap_dev; |
| 1154 | pj_bool_t enabled = PJ_FALSE; |
| 1155 | |
| 1156 | cap_dev = pjmedia_vid_port_get_stream(w->vp_cap); |
| 1157 | status = pjmedia_vid_dev_stream_set_cap( |
| 1158 | cap_dev, PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW, |
| 1159 | &enabled); |
| 1160 | } else { |
| 1161 | status = pjmedia_vid_port_stop(w->vp_rend); |
| 1162 | } |
| 1163 | |
| 1164 | if (status != PJ_SUCCESS) { |
| 1165 | PJ_PERROR(1,(THIS_FILE, status, "Error stopping %spreview", |
| 1166 | (w->is_native ? "native " : ""))); |
| 1167 | PJSUA_UNLOCK(); |
| 1168 | pj_log_pop_indent(); |
| 1169 | return status; |
| 1170 | } |
| 1171 | |
| 1172 | dec_vid_win(wid); |
| 1173 | w->preview_running = PJ_FALSE; |
| 1174 | } |
| 1175 | |
| 1176 | PJSUA_UNLOCK(); |
| 1177 | pj_log_pop_indent(); |
| 1178 | |
| 1179 | return PJ_SUCCESS; |
| 1180 | } |
| 1181 | |
| 1182 | |
| 1183 | /***************************************************************************** |
| 1184 | * Window |
| 1185 | */ |
| 1186 | |
| 1187 | |
| 1188 | /* |
| 1189 | * Enumerates all video windows. |
| 1190 | */ |
| 1191 | PJ_DEF(pj_status_t) pjsua_vid_enum_wins( pjsua_vid_win_id wids[], |
| 1192 | unsigned *count) |
| 1193 | { |
| 1194 | unsigned i, cnt; |
| 1195 | |
| 1196 | cnt = 0; |
| 1197 | |
| 1198 | for (i=0; i<PJSUA_MAX_VID_WINS && cnt <*count; ++i) { |
| 1199 | pjsua_vid_win *w = &pjsua_var.win[i]; |
| 1200 | if (w->type != PJSUA_WND_TYPE_NONE) |
| 1201 | wids[cnt++] = i; |
| 1202 | } |
| 1203 | |
| 1204 | *count = cnt; |
| 1205 | |
| 1206 | return PJ_SUCCESS; |
| 1207 | } |
| 1208 | |
| 1209 | |
| 1210 | /* |
| 1211 | * Get window info. |
| 1212 | */ |
| 1213 | PJ_DEF(pj_status_t) pjsua_vid_win_get_info( pjsua_vid_win_id wid, |
| 1214 | pjsua_vid_win_info *wi) |
| 1215 | { |
| 1216 | pjsua_vid_win *w; |
| 1217 | pjmedia_vid_dev_stream *s; |
| 1218 | pjmedia_vid_dev_param vparam; |
| 1219 | pj_status_t status; |
| 1220 | |
| 1221 | PJ_ASSERT_RETURN(wid >= 0 && wid < PJSUA_MAX_VID_WINS && wi, PJ_EINVAL); |
| 1222 | |
| 1223 | pj_bzero(wi, sizeof(*wi)); |
| 1224 | |
| 1225 | PJSUA_LOCK(); |
| 1226 | w = &pjsua_var.win[wid]; |
| 1227 | |
| 1228 | wi->is_native = w->is_native; |
| 1229 | |
| 1230 | if (w->is_native) { |
| 1231 | pjmedia_vid_dev_stream *cap_strm; |
| 1232 | pjmedia_vid_dev_cap cap = PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| 1233 | |
| 1234 | cap_strm = pjmedia_vid_port_get_stream(w->vp_cap); |
| 1235 | if (!cap_strm) { |
| 1236 | status = PJ_EINVAL; |
| 1237 | } else { |
| 1238 | status = pjmedia_vid_dev_stream_get_cap(cap_strm, cap, &wi->hwnd); |
| 1239 | } |
| 1240 | |
| 1241 | PJSUA_UNLOCK(); |
| 1242 | return status; |
| 1243 | } |
| 1244 | |
| 1245 | if (w->vp_rend == NULL) { |
| 1246 | PJSUA_UNLOCK(); |
| 1247 | return PJ_EINVAL; |
| 1248 | } |
| 1249 | |
| 1250 | s = pjmedia_vid_port_get_stream(w->vp_rend); |
| 1251 | if (s == NULL) { |
| 1252 | PJSUA_UNLOCK(); |
| 1253 | return PJ_EINVAL; |
| 1254 | } |
| 1255 | |
| 1256 | status = pjmedia_vid_dev_stream_get_param(s, &vparam); |
| 1257 | if (status != PJ_SUCCESS) { |
| 1258 | PJSUA_UNLOCK(); |
| 1259 | return status; |
| 1260 | } |
| 1261 | |
| 1262 | wi->rdr_dev = vparam.rend_id; |
| 1263 | wi->hwnd = vparam.window; |
| 1264 | wi->show = !vparam.window_hide; |
| 1265 | wi->pos = vparam.window_pos; |
| 1266 | wi->size = vparam.disp_size; |
| 1267 | |
| 1268 | PJSUA_UNLOCK(); |
| 1269 | |
| 1270 | return PJ_SUCCESS; |
| 1271 | } |
| 1272 | |
| 1273 | /* |
| 1274 | * Show or hide window. |
| 1275 | */ |
| 1276 | PJ_DEF(pj_status_t) pjsua_vid_win_set_show( pjsua_vid_win_id wid, |
| 1277 | pj_bool_t show) |
| 1278 | { |
| 1279 | pjsua_vid_win *w; |
| 1280 | pjmedia_vid_dev_stream *s; |
| 1281 | pj_bool_t hide; |
| 1282 | pj_status_t status; |
| 1283 | |
| 1284 | PJ_ASSERT_RETURN(wid >= 0 && wid < PJSUA_MAX_VID_WINS, PJ_EINVAL); |
| 1285 | |
| 1286 | PJSUA_LOCK(); |
| 1287 | w = &pjsua_var.win[wid]; |
| 1288 | if (w->vp_rend == NULL) { |
| 1289 | /* Native window */ |
| 1290 | PJSUA_UNLOCK(); |
| 1291 | return PJ_EINVAL; |
| 1292 | } |
| 1293 | |
| 1294 | s = pjmedia_vid_port_get_stream(w->vp_rend); |
| 1295 | if (s == NULL) { |
| 1296 | PJSUA_UNLOCK(); |
| 1297 | return PJ_EINVAL; |
| 1298 | } |
| 1299 | |
| 1300 | /* Make sure that renderer gets started before shown up */ |
| 1301 | if (show && !pjmedia_vid_port_is_running(w->vp_rend)) |
| 1302 | status = pjmedia_vid_port_start(w->vp_rend); |
| 1303 | |
| 1304 | hide = !show; |
| 1305 | status = pjmedia_vid_dev_stream_set_cap(s, |
| 1306 | PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE, &hide); |
| 1307 | |
| 1308 | PJSUA_UNLOCK(); |
| 1309 | |
| 1310 | return status; |
| 1311 | } |
| 1312 | |
| 1313 | /* |
| 1314 | * Set video window position. |
| 1315 | */ |
| 1316 | PJ_DEF(pj_status_t) pjsua_vid_win_set_pos( pjsua_vid_win_id wid, |
| 1317 | const pjmedia_coord *pos) |
| 1318 | { |
| 1319 | pjsua_vid_win *w; |
| 1320 | pjmedia_vid_dev_stream *s; |
| 1321 | pj_status_t status; |
| 1322 | |
| 1323 | PJ_ASSERT_RETURN(wid >= 0 && wid < PJSUA_MAX_VID_WINS && pos, PJ_EINVAL); |
| 1324 | |
| 1325 | PJSUA_LOCK(); |
| 1326 | w = &pjsua_var.win[wid]; |
| 1327 | if (w->vp_rend == NULL) { |
| 1328 | /* Native window */ |
| 1329 | PJSUA_UNLOCK(); |
| 1330 | return PJ_EINVAL; |
| 1331 | } |
| 1332 | |
| 1333 | s = pjmedia_vid_port_get_stream(w->vp_rend); |
| 1334 | if (s == NULL) { |
| 1335 | PJSUA_UNLOCK(); |
| 1336 | return PJ_EINVAL; |
| 1337 | } |
| 1338 | |
| 1339 | status = pjmedia_vid_dev_stream_set_cap(s, |
| 1340 | PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION, pos); |
| 1341 | |
| 1342 | PJSUA_UNLOCK(); |
| 1343 | |
| 1344 | return status; |
| 1345 | } |
| 1346 | |
| 1347 | /* |
| 1348 | * Resize window. |
| 1349 | */ |
| 1350 | PJ_DEF(pj_status_t) pjsua_vid_win_set_size( pjsua_vid_win_id wid, |
| 1351 | const pjmedia_rect_size *size) |
| 1352 | { |
| 1353 | pjsua_vid_win *w; |
| 1354 | pjmedia_vid_dev_stream *s; |
| 1355 | pj_status_t status; |
| 1356 | |
| 1357 | PJ_ASSERT_RETURN(wid >= 0 && wid < PJSUA_MAX_VID_WINS && size, PJ_EINVAL); |
| 1358 | |
| 1359 | PJSUA_LOCK(); |
| 1360 | w = &pjsua_var.win[wid]; |
| 1361 | if (w->vp_rend == NULL) { |
| 1362 | /* Native window */ |
| 1363 | PJSUA_UNLOCK(); |
| 1364 | return PJ_EINVAL; |
| 1365 | } |
| 1366 | |
| 1367 | s = pjmedia_vid_port_get_stream(w->vp_rend); |
| 1368 | if (s == NULL) { |
| 1369 | PJSUA_UNLOCK(); |
| 1370 | return PJ_EINVAL; |
| 1371 | } |
| 1372 | |
| 1373 | status = pjmedia_vid_dev_stream_set_cap(s, |
| 1374 | PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE, size); |
| 1375 | |
| 1376 | PJSUA_UNLOCK(); |
| 1377 | |
| 1378 | return status; |
| 1379 | } |
| 1380 | |
| 1381 | /* |
| 1382 | * Set video orientation. |
| 1383 | */ |
| 1384 | PJ_DEF(pj_status_t) pjsua_vid_win_rotate( pjsua_vid_win_id wid, |
| 1385 | int angle) |
| 1386 | { |
| 1387 | pjsua_vid_win *w; |
| 1388 | pjmedia_vid_dev_stream *s; |
| 1389 | pjmedia_orient orient; |
| 1390 | pj_status_t status; |
| 1391 | |
| 1392 | PJ_ASSERT_RETURN(wid >= 0 && wid < PJSUA_MAX_VID_WINS, PJ_EINVAL); |
| 1393 | PJ_ASSERT_RETURN((angle % 90) == 0, PJ_EINVAL); |
| 1394 | |
| 1395 | /* Normalize angle, so it must be 0, 90, 180, or 270. */ |
| 1396 | angle %= 360; |
| 1397 | if (angle < 0) |
| 1398 | angle += 360; |
| 1399 | |
| 1400 | /* Convert angle to pjmedia_orient */ |
| 1401 | switch(angle) { |
| 1402 | case 0: |
| 1403 | /* No rotation */ |
| 1404 | return PJ_SUCCESS; |
| 1405 | case 90: |
| 1406 | orient = PJMEDIA_ORIENT_ROTATE_90DEG; |
| 1407 | break; |
| 1408 | case 180: |
| 1409 | orient = PJMEDIA_ORIENT_ROTATE_180DEG; |
| 1410 | break; |
| 1411 | case 270: |
| 1412 | orient = PJMEDIA_ORIENT_ROTATE_270DEG; |
| 1413 | break; |
| 1414 | default: |
| 1415 | pj_assert(!"Angle must have been validated"); |
| 1416 | return PJ_EBUG; |
| 1417 | } |
| 1418 | |
| 1419 | PJSUA_LOCK(); |
| 1420 | w = &pjsua_var.win[wid]; |
| 1421 | if (w->vp_rend == NULL) { |
| 1422 | /* Native window */ |
| 1423 | PJSUA_UNLOCK(); |
| 1424 | return PJ_EINVAL; |
| 1425 | } |
| 1426 | |
| 1427 | s = pjmedia_vid_port_get_stream(w->vp_rend); |
| 1428 | if (s == NULL) { |
| 1429 | PJSUA_UNLOCK(); |
| 1430 | return PJ_EINVAL; |
| 1431 | } |
| 1432 | |
| 1433 | status = pjmedia_vid_dev_stream_set_cap(s, |
| 1434 | PJMEDIA_VID_DEV_CAP_ORIENTATION, &orient); |
| 1435 | |
| 1436 | PJSUA_UNLOCK(); |
| 1437 | |
| 1438 | return status; |
| 1439 | } |
| 1440 | |
| 1441 | |
| 1442 | static void call_get_vid_strm_info(pjsua_call *call, |
| 1443 | int *first_active, |
| 1444 | int *first_inactive, |
| 1445 | unsigned *active_cnt, |
| 1446 | unsigned *cnt) |
| 1447 | { |
| 1448 | unsigned i, var_cnt = 0; |
| 1449 | |
| 1450 | if (first_active && ++var_cnt) |
| 1451 | *first_active = -1; |
| 1452 | if (first_inactive && ++var_cnt) |
| 1453 | *first_inactive = -1; |
| 1454 | if (active_cnt && ++var_cnt) |
| 1455 | *active_cnt = 0; |
| 1456 | if (cnt && ++var_cnt) |
| 1457 | *cnt = 0; |
| 1458 | |
| 1459 | for (i = 0; i < call->med_cnt && var_cnt; ++i) { |
| 1460 | if (call->media[i].type == PJMEDIA_TYPE_VIDEO) { |
| 1461 | if (call->media[i].dir != PJMEDIA_DIR_NONE) |
| 1462 | { |
| 1463 | if (first_active && *first_active == -1) { |
| 1464 | *first_active = i; |
| 1465 | --var_cnt; |
| 1466 | } |
| 1467 | if (active_cnt) |
| 1468 | ++(*active_cnt); |
| 1469 | } else if (first_inactive && *first_inactive == -1) { |
| 1470 | *first_inactive = i; |
| 1471 | --var_cnt; |
| 1472 | } |
| 1473 | if (cnt) |
| 1474 | ++(*cnt); |
| 1475 | } |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | /* Send SDP reoffer. */ |
| 1481 | static pj_status_t call_reoffer_sdp(pjsua_call_id call_id, |
| 1482 | const pjmedia_sdp_session *sdp) |
| 1483 | { |
| 1484 | pjsua_call *call; |
| 1485 | pjsip_tx_data *tdata; |
| 1486 | pjsip_dialog *dlg; |
| 1487 | pj_status_t status; |
| 1488 | |
| 1489 | status = acquire_call("call_reoffer_sdp()", call_id, &call, &dlg); |
| 1490 | if (status != PJ_SUCCESS) |
| 1491 | return status; |
| 1492 | |
| 1493 | if (call->inv->state != PJSIP_INV_STATE_CONFIRMED) { |
| 1494 | PJ_LOG(3,(THIS_FILE, "Can not re-INVITE call that is not confirmed")); |
| 1495 | pjsip_dlg_dec_lock(dlg); |
| 1496 | return PJSIP_ESESSIONSTATE; |
| 1497 | } |
| 1498 | |
| 1499 | /* Create re-INVITE with new offer */ |
| 1500 | status = pjsip_inv_reinvite( call->inv, NULL, sdp, &tdata); |
| 1501 | if (status != PJ_SUCCESS) { |
| 1502 | pjsua_perror(THIS_FILE, "Unable to create re-INVITE", status); |
| 1503 | pjsip_dlg_dec_lock(dlg); |
| 1504 | return status; |
| 1505 | } |
| 1506 | |
| 1507 | /* Send the request */ |
| 1508 | status = pjsip_inv_send_msg( call->inv, tdata); |
| 1509 | if (status != PJ_SUCCESS) { |
| 1510 | pjsua_perror(THIS_FILE, "Unable to send re-INVITE", status); |
| 1511 | pjsip_dlg_dec_lock(dlg); |
| 1512 | return status; |
| 1513 | } |
| 1514 | |
| 1515 | pjsip_dlg_dec_lock(dlg); |
| 1516 | |
| 1517 | return PJ_SUCCESS; |
| 1518 | } |
| 1519 | |
| 1520 | /* Add a new video stream into a call */ |
| 1521 | static pj_status_t call_add_video(pjsua_call *call, |
| 1522 | pjmedia_vid_dev_index cap_dev, |
| 1523 | pjmedia_dir dir) |
| 1524 | { |
| 1525 | pj_pool_t *pool = call->inv->pool_prov; |
| 1526 | pjsua_acc_config *acc_cfg = &pjsua_var.acc[call->acc_id].cfg; |
| 1527 | pjsua_call_media *call_med; |
| 1528 | const pjmedia_sdp_session *current_sdp; |
| 1529 | pjmedia_sdp_session *sdp; |
| 1530 | pjmedia_sdp_media *sdp_m; |
| 1531 | pjmedia_transport_info tpinfo; |
| 1532 | pj_status_t status; |
| 1533 | |
| 1534 | /* Verify media slot availability */ |
| 1535 | if (call->med_cnt == PJSUA_MAX_CALL_MEDIA) |
| 1536 | return PJ_ETOOMANY; |
| 1537 | |
| 1538 | /* Get active local SDP and clone it */ |
| 1539 | status = pjmedia_sdp_neg_get_active_local(call->inv->neg, ¤t_sdp); |
| 1540 | if (status != PJ_SUCCESS) |
| 1541 | return status; |
| 1542 | |
| 1543 | sdp = pjmedia_sdp_session_clone(call->inv->pool_prov, current_sdp); |
| 1544 | |
| 1545 | /* Clean up provisional media before using it */ |
| 1546 | pjsua_media_prov_clean_up(call->index); |
| 1547 | |
| 1548 | /* Update provisional media from call media */ |
| 1549 | call->med_prov_cnt = call->med_cnt; |
| 1550 | pj_memcpy(call->media_prov, call->media, |
| 1551 | sizeof(call->media[0]) * call->med_cnt); |
| 1552 | |
| 1553 | /* Initialize call media */ |
| 1554 | call_med = &call->media_prov[call->med_prov_cnt++]; |
| 1555 | status = pjsua_call_media_init(call_med, PJMEDIA_TYPE_VIDEO, |
| 1556 | &acc_cfg->rtp_cfg, call->secure_level, |
| 1557 | NULL, PJ_FALSE, NULL); |
| 1558 | if (status != PJ_SUCCESS) |
| 1559 | goto on_error; |
| 1560 | |
| 1561 | /* Override default capture device setting */ |
| 1562 | call_med->strm.v.cap_dev = cap_dev; |
| 1563 | |
| 1564 | /* Init transport media */ |
| 1565 | status = pjmedia_transport_media_create(call_med->tp, pool, 0, |
| 1566 | NULL, call_med->idx); |
| 1567 | if (status != PJ_SUCCESS) |
| 1568 | goto on_error; |
| 1569 | |
| 1570 | pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_INIT); |
| 1571 | |
| 1572 | /* Get transport address info */ |
| 1573 | pjmedia_transport_info_init(&tpinfo); |
| 1574 | pjmedia_transport_get_info(call_med->tp, &tpinfo); |
| 1575 | |
| 1576 | /* Create SDP media line */ |
| 1577 | status = pjmedia_endpt_create_video_sdp(pjsua_var.med_endpt, pool, |
| 1578 | &tpinfo.sock_info, 0, &sdp_m); |
| 1579 | if (status != PJ_SUCCESS) |
| 1580 | goto on_error; |
| 1581 | |
| 1582 | sdp->media[sdp->media_count++] = sdp_m; |
| 1583 | |
| 1584 | /* Update media direction, if it is not 'sendrecv' */ |
| 1585 | if (dir != PJMEDIA_DIR_ENCODING_DECODING) { |
| 1586 | pjmedia_sdp_attr *a; |
| 1587 | |
| 1588 | /* Remove sendrecv direction attribute, if any */ |
| 1589 | pjmedia_sdp_media_remove_all_attr(sdp_m, "sendrecv"); |
| 1590 | |
| 1591 | if (dir == PJMEDIA_DIR_ENCODING) |
| 1592 | a = pjmedia_sdp_attr_create(pool, "sendonly", NULL); |
| 1593 | else if (dir == PJMEDIA_DIR_DECODING) |
| 1594 | a = pjmedia_sdp_attr_create(pool, "recvonly", NULL); |
| 1595 | else |
| 1596 | a = pjmedia_sdp_attr_create(pool, "inactive", NULL); |
| 1597 | |
| 1598 | pjmedia_sdp_media_add_attr(sdp_m, a); |
| 1599 | } |
| 1600 | |
| 1601 | /* Update SDP media line by media transport */ |
| 1602 | status = pjmedia_transport_encode_sdp(call_med->tp, pool, |
| 1603 | sdp, NULL, call_med->idx); |
| 1604 | if (status != PJ_SUCCESS) |
| 1605 | goto on_error; |
| 1606 | |
| 1607 | status = call_reoffer_sdp(call->index, sdp); |
| 1608 | if (status != PJ_SUCCESS) |
| 1609 | goto on_error; |
| 1610 | |
| 1611 | call->opt.vid_cnt++; |
| 1612 | |
| 1613 | return PJ_SUCCESS; |
| 1614 | |
| 1615 | on_error: |
| 1616 | if (call_med->tp) { |
| 1617 | pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_NULL); |
| 1618 | pjmedia_transport_close(call_med->tp); |
| 1619 | call_med->tp = call_med->tp_orig = NULL; |
| 1620 | } |
| 1621 | |
| 1622 | return status; |
| 1623 | } |
| 1624 | |
| 1625 | |
| 1626 | /* Modify a video stream from a call, i.e: update direction, |
| 1627 | * remove/disable. |
| 1628 | */ |
| 1629 | static pj_status_t call_modify_video(pjsua_call *call, |
| 1630 | int med_idx, |
| 1631 | pjmedia_dir dir, |
| 1632 | pj_bool_t remove) |
| 1633 | { |
| 1634 | pjsua_call_media *call_med; |
| 1635 | const pjmedia_sdp_session *current_sdp; |
| 1636 | pjmedia_sdp_session *sdp; |
| 1637 | pj_status_t status; |
| 1638 | |
| 1639 | /* Verify and normalize media index */ |
| 1640 | if (med_idx == -1) { |
| 1641 | int first_active; |
| 1642 | |
| 1643 | call_get_vid_strm_info(call, &first_active, NULL, NULL, NULL); |
| 1644 | if (first_active == -1) |
| 1645 | return PJ_ENOTFOUND; |
| 1646 | |
| 1647 | med_idx = first_active; |
| 1648 | } |
| 1649 | |
| 1650 | /* Clean up provisional media before using it */ |
| 1651 | pjsua_media_prov_clean_up(call->index); |
| 1652 | |
| 1653 | /* Update provisional media from call media */ |
| 1654 | call->med_prov_cnt = call->med_cnt; |
| 1655 | pj_memcpy(call->media_prov, call->media, |
| 1656 | sizeof(call->media[0]) * call->med_cnt); |
| 1657 | |
| 1658 | call_med = &call->media_prov[med_idx]; |
| 1659 | |
| 1660 | /* Verify if the stream media type is video */ |
| 1661 | if (call_med->type != PJMEDIA_TYPE_VIDEO) |
| 1662 | return PJ_EINVAL; |
| 1663 | |
| 1664 | /* Verify if the stream dir is not changed */ |
| 1665 | if ((!remove && call_med->dir == dir) || |
| 1666 | ( remove && (call_med->tp_st == PJSUA_MED_TP_DISABLED || |
| 1667 | call_med->tp == NULL))) |
| 1668 | { |
| 1669 | return PJ_SUCCESS; |
| 1670 | } |
| 1671 | |
| 1672 | /* Get active local SDP and clone it */ |
| 1673 | status = pjmedia_sdp_neg_get_active_local(call->inv->neg, ¤t_sdp); |
| 1674 | if (status != PJ_SUCCESS) |
| 1675 | return status; |
| 1676 | |
| 1677 | sdp = pjmedia_sdp_session_clone(call->inv->pool_prov, current_sdp); |
| 1678 | |
| 1679 | pj_assert(med_idx < (int)sdp->media_count); |
| 1680 | |
| 1681 | if (!remove) { |
| 1682 | pjsua_acc_config *acc_cfg = &pjsua_var.acc[call->acc_id].cfg; |
| 1683 | pj_pool_t *pool = call->inv->pool_prov; |
| 1684 | pjmedia_sdp_media *sdp_m; |
| 1685 | |
| 1686 | /* Enabling video */ |
| 1687 | if (call_med->dir == PJMEDIA_DIR_NONE) { |
| 1688 | unsigned i, vid_cnt = 0; |
| 1689 | |
| 1690 | /* Check if vid_cnt in call option needs to be increased */ |
| 1691 | for (i = 0; i < call->med_cnt; ++i) { |
| 1692 | if (call->media[i].type == PJMEDIA_TYPE_VIDEO && |
| 1693 | call->media[i].dir != PJMEDIA_DIR_NONE) |
| 1694 | { |
| 1695 | ++vid_cnt; |
| 1696 | } |
| 1697 | } |
| 1698 | if (call->opt.vid_cnt <= vid_cnt) |
| 1699 | call->opt.vid_cnt++; |
| 1700 | } |
| 1701 | |
| 1702 | status = pjsua_call_media_init(call_med, PJMEDIA_TYPE_VIDEO, |
| 1703 | &acc_cfg->rtp_cfg, call->secure_level, |
| 1704 | NULL, PJ_FALSE, NULL); |
| 1705 | if (status != PJ_SUCCESS) |
| 1706 | goto on_error; |
| 1707 | |
| 1708 | /* Init transport media */ |
| 1709 | if (call_med->tp && call_med->tp_st == PJSUA_MED_TP_IDLE) { |
| 1710 | status = pjmedia_transport_media_create(call_med->tp, pool, 0, |
| 1711 | NULL, call_med->idx); |
| 1712 | if (status != PJ_SUCCESS) |
| 1713 | goto on_error; |
| 1714 | } |
| 1715 | |
| 1716 | sdp_m = sdp->media[med_idx]; |
| 1717 | |
| 1718 | /* Create new SDP media line if the stream is disabled */ |
| 1719 | if (sdp->media[med_idx]->desc.port == 0) { |
| 1720 | pjmedia_transport_info tpinfo; |
| 1721 | |
| 1722 | /* Get transport address info */ |
| 1723 | pjmedia_transport_info_init(&tpinfo); |
| 1724 | pjmedia_transport_get_info(call_med->tp, &tpinfo); |
| 1725 | |
| 1726 | status = pjmedia_endpt_create_video_sdp(pjsua_var.med_endpt, pool, |
| 1727 | &tpinfo.sock_info, 0, &sdp_m); |
| 1728 | if (status != PJ_SUCCESS) |
| 1729 | goto on_error; |
| 1730 | } |
| 1731 | |
| 1732 | { |
| 1733 | pjmedia_sdp_attr *a; |
| 1734 | |
| 1735 | /* Remove any direction attributes */ |
| 1736 | pjmedia_sdp_media_remove_all_attr(sdp_m, "sendrecv"); |
| 1737 | pjmedia_sdp_media_remove_all_attr(sdp_m, "sendonly"); |
| 1738 | pjmedia_sdp_media_remove_all_attr(sdp_m, "recvonly"); |
| 1739 | pjmedia_sdp_media_remove_all_attr(sdp_m, "inactive"); |
| 1740 | |
| 1741 | /* Update media direction */ |
| 1742 | if (dir == PJMEDIA_DIR_ENCODING_DECODING) |
| 1743 | a = pjmedia_sdp_attr_create(pool, "sendrecv", NULL); |
| 1744 | else if (dir == PJMEDIA_DIR_ENCODING) |
| 1745 | a = pjmedia_sdp_attr_create(pool, "sendonly", NULL); |
| 1746 | else if (dir == PJMEDIA_DIR_DECODING) |
| 1747 | a = pjmedia_sdp_attr_create(pool, "recvonly", NULL); |
| 1748 | else |
| 1749 | a = pjmedia_sdp_attr_create(pool, "inactive", NULL); |
| 1750 | |
| 1751 | pjmedia_sdp_media_add_attr(sdp_m, a); |
| 1752 | } |
| 1753 | |
| 1754 | sdp->media[med_idx] = sdp_m; |
| 1755 | |
| 1756 | if (call_med->dir == PJMEDIA_DIR_NONE) { |
| 1757 | /* Update SDP media line by media transport */ |
| 1758 | status = pjmedia_transport_encode_sdp(call_med->tp, pool, |
| 1759 | sdp, NULL, call_med->idx); |
| 1760 | if (status != PJ_SUCCESS) |
| 1761 | goto on_error; |
| 1762 | } |
| 1763 | |
| 1764 | on_error: |
| 1765 | if (status != PJ_SUCCESS) { |
| 1766 | pjsua_media_prov_clean_up(call->index); |
| 1767 | return status; |
| 1768 | } |
| 1769 | |
| 1770 | } else { |
| 1771 | |
| 1772 | pj_pool_t *pool = call->inv->pool_prov; |
| 1773 | |
| 1774 | /* Mark media transport to disabled */ |
| 1775 | // Don't close this here, as SDP negotiation has not been |
| 1776 | // done and stream may be still active. |
| 1777 | pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_DISABLED); |
| 1778 | |
| 1779 | /* Deactivate the stream */ |
| 1780 | pjmedia_sdp_media_deactivate(pool, sdp->media[med_idx]); |
| 1781 | |
| 1782 | call->opt.vid_cnt--; |
| 1783 | } |
| 1784 | |
| 1785 | status = call_reoffer_sdp(call->index, sdp); |
| 1786 | if (status != PJ_SUCCESS) |
| 1787 | return status; |
| 1788 | |
| 1789 | return PJ_SUCCESS; |
| 1790 | } |
| 1791 | |
| 1792 | |
| 1793 | /* Change capture device of a video stream in a call */ |
| 1794 | static pj_status_t call_change_cap_dev(pjsua_call *call, |
| 1795 | int med_idx, |
| 1796 | pjmedia_vid_dev_index cap_dev) |
| 1797 | { |
| 1798 | pjsua_call_media *call_med; |
| 1799 | pjmedia_vid_dev_stream *old_dev; |
| 1800 | pjmedia_vid_dev_switch_param switch_prm; |
| 1801 | pjmedia_vid_dev_info info; |
| 1802 | pjsua_vid_win *w, *new_w = NULL; |
| 1803 | pjsua_vid_win_id wid, new_wid; |
| 1804 | pjmedia_port *media_port; |
| 1805 | pj_status_t status; |
| 1806 | |
| 1807 | /* Verify and normalize media index */ |
| 1808 | if (med_idx == -1) { |
| 1809 | int first_active; |
| 1810 | |
| 1811 | call_get_vid_strm_info(call, &first_active, NULL, NULL, NULL); |
| 1812 | if (first_active == -1) |
| 1813 | return PJ_ENOTFOUND; |
| 1814 | |
| 1815 | med_idx = first_active; |
| 1816 | } |
| 1817 | |
| 1818 | call_med = &call->media[med_idx]; |
| 1819 | |
| 1820 | /* Verify if the stream media type is video */ |
| 1821 | if (call_med->type != PJMEDIA_TYPE_VIDEO) |
| 1822 | return PJ_EINVAL; |
| 1823 | |
| 1824 | /* Verify the capture device */ |
| 1825 | status = pjmedia_vid_dev_get_info(cap_dev, &info); |
| 1826 | if (status != PJ_SUCCESS || info.dir != PJMEDIA_DIR_CAPTURE) |
| 1827 | return PJ_EINVAL; |
| 1828 | |
| 1829 | /* The specified capture device is being used already */ |
| 1830 | if (call_med->strm.v.cap_dev == cap_dev) |
| 1831 | return PJ_SUCCESS; |
| 1832 | |
| 1833 | /* == Apply the new capture device == */ |
| 1834 | |
| 1835 | wid = call_med->strm.v.cap_win_id; |
| 1836 | w = &pjsua_var.win[wid]; |
| 1837 | pj_assert(w->type == PJSUA_WND_TYPE_PREVIEW && w->vp_cap); |
| 1838 | |
| 1839 | /* If the old device supports fast switching, then that's excellent! */ |
| 1840 | old_dev = pjmedia_vid_port_get_stream(w->vp_cap); |
| 1841 | pjmedia_vid_dev_switch_param_default(&switch_prm); |
| 1842 | switch_prm.target_id = cap_dev; |
| 1843 | status = pjmedia_vid_dev_stream_set_cap(old_dev, |
| 1844 | PJMEDIA_VID_DEV_CAP_SWITCH, |
| 1845 | &switch_prm); |
| 1846 | if (status == PJ_SUCCESS) { |
| 1847 | w->preview_cap_id = cap_dev; |
| 1848 | call_med->strm.v.cap_dev = cap_dev; |
| 1849 | return PJ_SUCCESS; |
| 1850 | } |
| 1851 | |
| 1852 | /* No it doesn't support fast switching. Do slow switching then.. */ |
| 1853 | status = pjmedia_vid_stream_get_port(call_med->strm.v.stream, |
| 1854 | PJMEDIA_DIR_ENCODING, &media_port); |
| 1855 | if (status != PJ_SUCCESS) |
| 1856 | return status; |
| 1857 | |
| 1858 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, call_med, |
| 1859 | w->vp_cap); |
| 1860 | |
| 1861 | /* temporarily disconnect while we operate on the tee. */ |
| 1862 | pjmedia_vid_port_disconnect(w->vp_cap); |
| 1863 | |
| 1864 | /* = Detach stream port from the old capture device's tee = */ |
| 1865 | status = pjmedia_vid_tee_remove_dst_port(w->tee, media_port); |
| 1866 | if (status != PJ_SUCCESS) { |
| 1867 | /* Something wrong, assume that media_port has been removed |
| 1868 | * and continue. |
| 1869 | */ |
| 1870 | PJ_PERROR(4,(THIS_FILE, status, |
| 1871 | "Warning: call %d: unable to remove video from tee", |
| 1872 | call->index)); |
| 1873 | } |
| 1874 | |
| 1875 | /* Reconnect again immediately. We're done with w->tee */ |
| 1876 | pjmedia_vid_port_connect(w->vp_cap, w->tee, PJ_FALSE); |
| 1877 | |
| 1878 | /* = Attach stream port to the new capture device = */ |
| 1879 | |
| 1880 | /* Note: calling pjsua_vid_preview_get_win() even though |
| 1881 | * create_vid_win() will automatically create the window |
| 1882 | * if it doesn't exist, because create_vid_win() will modify |
| 1883 | * existing window SHOW/HIDE value. |
| 1884 | */ |
| 1885 | new_wid = vid_preview_get_win(cap_dev, PJ_FALSE); |
| 1886 | if (new_wid == PJSUA_INVALID_ID) { |
| 1887 | pjsua_acc *acc = &pjsua_var.acc[call_med->call->acc_id]; |
| 1888 | |
| 1889 | /* Create preview video window */ |
| 1890 | status = create_vid_win(PJSUA_WND_TYPE_PREVIEW, |
| 1891 | &media_port->info.fmt, |
| 1892 | call_med->strm.v.rdr_dev, |
| 1893 | cap_dev, |
| 1894 | PJSUA_HIDE_WINDOW, |
| 1895 | acc->cfg.vid_wnd_flags, |
| 1896 | &new_wid); |
| 1897 | if (status != PJ_SUCCESS) |
| 1898 | goto on_error; |
| 1899 | } |
| 1900 | |
| 1901 | inc_vid_win(new_wid); |
| 1902 | new_w = &pjsua_var.win[new_wid]; |
| 1903 | |
| 1904 | /* Connect stream to capturer (via video window tee) */ |
| 1905 | status = pjmedia_vid_tee_add_dst_port2(new_w->tee, 0, media_port); |
| 1906 | if (status != PJ_SUCCESS) |
| 1907 | goto on_error; |
| 1908 | |
| 1909 | if (w->vp_rend) { |
| 1910 | /* Start renderer */ |
| 1911 | status = pjmedia_vid_port_start(new_w->vp_rend); |
| 1912 | if (status != PJ_SUCCESS) |
| 1913 | goto on_error; |
| 1914 | } |
| 1915 | |
| 1916 | #if ENABLE_EVENT |
| 1917 | pjmedia_event_subscribe(NULL, &call_media_on_event, |
| 1918 | call_med, new_w->vp_cap); |
| 1919 | #endif |
| 1920 | |
| 1921 | /* Start capturer */ |
| 1922 | if (!pjmedia_vid_port_is_running(new_w->vp_cap)) { |
| 1923 | status = pjmedia_vid_port_start(new_w->vp_cap); |
| 1924 | if (status != PJ_SUCCESS) |
| 1925 | goto on_error; |
| 1926 | } |
| 1927 | |
| 1928 | /* Finally */ |
| 1929 | call_med->strm.v.cap_dev = cap_dev; |
| 1930 | call_med->strm.v.cap_win_id = new_wid; |
| 1931 | dec_vid_win(wid); |
| 1932 | |
| 1933 | return PJ_SUCCESS; |
| 1934 | |
| 1935 | on_error: |
| 1936 | PJ_PERROR(4,(THIS_FILE, status, |
| 1937 | "Call %d: error changing capture device to %d", |
| 1938 | call->index, cap_dev)); |
| 1939 | |
| 1940 | if (new_w) { |
| 1941 | /* Unsubscribe, just in case */ |
| 1942 | pjmedia_event_unsubscribe(NULL, &call_media_on_event, call_med, |
| 1943 | new_w->vp_cap); |
| 1944 | /* Disconnect media port from the new capturer */ |
| 1945 | pjmedia_vid_tee_remove_dst_port(new_w->tee, media_port); |
| 1946 | /* Release the new capturer */ |
| 1947 | dec_vid_win(new_wid); |
| 1948 | } |
| 1949 | |
| 1950 | /* Revert back to the old capturer */ |
| 1951 | pjmedia_vid_port_disconnect(w->vp_cap); |
| 1952 | status = pjmedia_vid_tee_add_dst_port2(w->tee, 0, media_port); |
| 1953 | pjmedia_vid_port_connect(w->vp_cap, w->tee, PJ_FALSE); |
| 1954 | if (status != PJ_SUCCESS) |
| 1955 | return status; |
| 1956 | |
| 1957 | #if ENABLE_EVENT |
| 1958 | /* Resubscribe */ |
| 1959 | pjmedia_event_subscribe(NULL, &call_media_on_event, |
| 1960 | call_med, w->vp_cap); |
| 1961 | #endif |
| 1962 | |
| 1963 | return status; |
| 1964 | } |
| 1965 | |
| 1966 | |
| 1967 | /* Start/stop transmitting video stream in a call */ |
| 1968 | static pj_status_t call_set_tx_video(pjsua_call *call, |
| 1969 | int med_idx, |
| 1970 | pj_bool_t enable) |
| 1971 | { |
| 1972 | pjsua_call_media *call_med; |
| 1973 | pj_status_t status; |
| 1974 | |
| 1975 | /* Verify and normalize media index */ |
| 1976 | if (med_idx == -1) { |
| 1977 | int first_active; |
| 1978 | |
| 1979 | call_get_vid_strm_info(call, &first_active, NULL, NULL, NULL); |
| 1980 | if (first_active == -1) |
| 1981 | return PJ_ENOTFOUND; |
| 1982 | |
| 1983 | med_idx = first_active; |
| 1984 | } |
| 1985 | |
| 1986 | call_med = &call->media[med_idx]; |
| 1987 | |
| 1988 | /* Verify if the stream is transmitting video */ |
| 1989 | if (call_med->type != PJMEDIA_TYPE_VIDEO || |
| 1990 | (enable && (call_med->dir & PJMEDIA_DIR_ENCODING) == 0)) |
| 1991 | { |
| 1992 | return PJ_EINVAL; |
| 1993 | } |
| 1994 | |
| 1995 | if (enable) { |
| 1996 | /* Start stream in encoding direction */ |
| 1997 | status = pjmedia_vid_stream_resume(call_med->strm.v.stream, |
| 1998 | PJMEDIA_DIR_ENCODING); |
| 1999 | } else { |
| 2000 | /* Pause stream in encoding direction */ |
| 2001 | status = pjmedia_vid_stream_pause( call_med->strm.v.stream, |
| 2002 | PJMEDIA_DIR_ENCODING); |
| 2003 | } |
| 2004 | |
| 2005 | return status; |
| 2006 | } |
| 2007 | |
| 2008 | |
| 2009 | static pj_status_t call_send_vid_keyframe(pjsua_call *call, |
| 2010 | int med_idx) |
| 2011 | { |
| 2012 | pjsua_call_media *call_med; |
| 2013 | |
| 2014 | /* Verify and normalize media index */ |
| 2015 | if (med_idx == -1) { |
| 2016 | int first_active; |
| 2017 | |
| 2018 | call_get_vid_strm_info(call, &first_active, NULL, NULL, NULL); |
| 2019 | if (first_active == -1) |
| 2020 | return PJ_ENOTFOUND; |
| 2021 | |
| 2022 | med_idx = first_active; |
| 2023 | } |
| 2024 | |
| 2025 | call_med = &call->media[med_idx]; |
| 2026 | |
| 2027 | /* Verify media type and stream instance. */ |
| 2028 | if (call_med->type != PJMEDIA_TYPE_VIDEO || !call_med->strm.v.stream) |
| 2029 | return PJ_EINVAL; |
| 2030 | |
| 2031 | return pjmedia_vid_stream_send_keyframe(call_med->strm.v.stream); |
| 2032 | } |
| 2033 | |
| 2034 | |
| 2035 | /* |
| 2036 | * Start, stop, and/or manipulate video transmission for the specified call. |
| 2037 | */ |
| 2038 | PJ_DEF(pj_status_t) pjsua_call_set_vid_strm ( |
| 2039 | pjsua_call_id call_id, |
| 2040 | pjsua_call_vid_strm_op op, |
| 2041 | const pjsua_call_vid_strm_op_param *param) |
| 2042 | { |
| 2043 | pjsua_call *call; |
| 2044 | pjsip_dialog *dlg = NULL; |
| 2045 | pjsua_call_vid_strm_op_param param_; |
| 2046 | pj_status_t status; |
| 2047 | |
| 2048 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 2049 | PJ_EINVAL); |
| 2050 | PJ_ASSERT_RETURN(op != PJSUA_CALL_VID_STRM_NO_OP, PJ_EINVAL); |
| 2051 | |
| 2052 | PJ_LOG(4,(THIS_FILE, "Call %d: set video stream, op=%d", |
| 2053 | call_id, op)); |
| 2054 | pj_log_push_indent(); |
| 2055 | |
| 2056 | status = acquire_call("pjsua_call_set_vid_strm()", call_id, &call, &dlg); |
| 2057 | if (status != PJ_SUCCESS) |
| 2058 | goto on_return; |
| 2059 | |
| 2060 | if (param) { |
| 2061 | param_ = *param; |
| 2062 | } else { |
| 2063 | pjsua_call_vid_strm_op_param_default(¶m_); |
| 2064 | } |
| 2065 | |
| 2066 | /* If set to PJMEDIA_VID_DEFAULT_CAPTURE_DEV, replace it with |
| 2067 | * account default video capture device. |
| 2068 | */ |
| 2069 | if (param_.cap_dev == PJMEDIA_VID_DEFAULT_CAPTURE_DEV) { |
| 2070 | pjsua_acc_config *acc_cfg = &pjsua_var.acc[call->acc_id].cfg; |
| 2071 | param_.cap_dev = acc_cfg->vid_cap_dev; |
| 2072 | |
| 2073 | /* If the account default video capture device is |
| 2074 | * PJMEDIA_VID_DEFAULT_CAPTURE_DEV, replace it with |
| 2075 | * global default video capture device. |
| 2076 | */ |
| 2077 | if (param_.cap_dev == PJMEDIA_VID_DEFAULT_CAPTURE_DEV) { |
| 2078 | pjmedia_vid_dev_info info; |
| 2079 | pjmedia_vid_dev_get_info(param_.cap_dev, &info); |
| 2080 | pj_assert(info.dir == PJMEDIA_DIR_CAPTURE); |
| 2081 | param_.cap_dev = info.id; |
| 2082 | } |
| 2083 | } |
| 2084 | |
| 2085 | switch (op) { |
| 2086 | case PJSUA_CALL_VID_STRM_ADD: |
| 2087 | status = call_add_video(call, param_.cap_dev, param_.dir); |
| 2088 | break; |
| 2089 | case PJSUA_CALL_VID_STRM_REMOVE: |
| 2090 | status = call_modify_video(call, param_.med_idx, PJMEDIA_DIR_NONE, |
| 2091 | PJ_TRUE); |
| 2092 | break; |
| 2093 | case PJSUA_CALL_VID_STRM_CHANGE_DIR: |
| 2094 | status = call_modify_video(call, param_.med_idx, param_.dir, PJ_FALSE); |
| 2095 | break; |
| 2096 | case PJSUA_CALL_VID_STRM_CHANGE_CAP_DEV: |
| 2097 | status = call_change_cap_dev(call, param_.med_idx, param_.cap_dev); |
| 2098 | break; |
| 2099 | case PJSUA_CALL_VID_STRM_START_TRANSMIT: |
| 2100 | status = call_set_tx_video(call, param_.med_idx, PJ_TRUE); |
| 2101 | break; |
| 2102 | case PJSUA_CALL_VID_STRM_STOP_TRANSMIT: |
| 2103 | status = call_set_tx_video(call, param_.med_idx, PJ_FALSE); |
| 2104 | break; |
| 2105 | case PJSUA_CALL_VID_STRM_SEND_KEYFRAME: |
| 2106 | status = call_send_vid_keyframe(call, param_.med_idx); |
| 2107 | break; |
| 2108 | default: |
| 2109 | status = PJ_EINVALIDOP; |
| 2110 | break; |
| 2111 | } |
| 2112 | |
| 2113 | on_return: |
| 2114 | if (dlg) pjsip_dlg_dec_lock(dlg); |
| 2115 | pj_log_pop_indent(); |
| 2116 | return status; |
| 2117 | } |
| 2118 | |
| 2119 | |
| 2120 | /* |
| 2121 | * Get the media stream index of the default video stream in the call. |
| 2122 | */ |
| 2123 | PJ_DEF(int) pjsua_call_get_vid_stream_idx(pjsua_call_id call_id) |
| 2124 | { |
| 2125 | pjsua_call *call; |
| 2126 | int first_active, first_inactive; |
| 2127 | |
| 2128 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 2129 | PJ_EINVAL); |
| 2130 | |
| 2131 | PJSUA_LOCK(); |
| 2132 | call = &pjsua_var.calls[call_id]; |
| 2133 | call_get_vid_strm_info(call, &first_active, &first_inactive, NULL, NULL); |
| 2134 | PJSUA_UNLOCK(); |
| 2135 | |
| 2136 | if (first_active == -1) |
| 2137 | return first_inactive; |
| 2138 | |
| 2139 | return first_active; |
| 2140 | } |
| 2141 | |
| 2142 | |
| 2143 | /* |
| 2144 | * Determine if video stream for the specified call is currently running |
| 2145 | * for the specified direction. |
| 2146 | */ |
| 2147 | PJ_DEF(pj_bool_t) pjsua_call_vid_stream_is_running( pjsua_call_id call_id, |
| 2148 | int med_idx, |
| 2149 | pjmedia_dir dir) |
| 2150 | { |
| 2151 | pjsua_call *call; |
| 2152 | pjsua_call_media *call_med; |
| 2153 | |
| 2154 | PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| 2155 | PJ_EINVAL); |
| 2156 | |
| 2157 | /* Verify and normalize media index */ |
| 2158 | if (med_idx == -1) { |
| 2159 | med_idx = pjsua_call_get_vid_stream_idx(call_id); |
| 2160 | } |
| 2161 | |
| 2162 | call = &pjsua_var.calls[call_id]; |
| 2163 | PJ_ASSERT_RETURN(med_idx >= 0 && med_idx < (int)call->med_cnt, PJ_EINVAL); |
| 2164 | |
| 2165 | call_med = &call->media[med_idx]; |
| 2166 | |
| 2167 | /* Verify if the stream is transmitting video */ |
| 2168 | if (call_med->type != PJMEDIA_TYPE_VIDEO || (call_med->dir & dir) == 0 || |
| 2169 | !call_med->strm.v.stream) |
| 2170 | { |
| 2171 | return PJ_FALSE; |
| 2172 | } |
| 2173 | |
| 2174 | return pjmedia_vid_stream_is_running(call_med->strm.v.stream, dir); |
| 2175 | } |
| 2176 | |
| 2177 | #endif /* PJSUA_HAS_VIDEO */ |
| 2178 | |
| 2179 | #endif /* PJSUA_MEDIA_HAS_PJMEDIA */ |