Alexandre Lision | 8af73cb | 2013-12-10 14:11:20 -0500 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 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 <pjmedia-videodev/videodev_imp.h> |
| 20 | #include <pj/assert.h> |
| 21 | #include <pj/log.h> |
| 22 | #include <pj/os.h> |
| 23 | |
| 24 | #if defined(PJMEDIA_VIDEO_DEV_HAS_SDL) && PJMEDIA_VIDEO_DEV_HAS_SDL != 0 |
| 25 | #include <SDL.h> |
| 26 | #include <SDL_syswm.h> |
| 27 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 28 | # include "SDL_opengl.h" |
| 29 | # define OPENGL_DEV_IDX 1 |
| 30 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 31 | |
| 32 | #if !(SDL_VERSION_ATLEAST(1,3,0)) |
| 33 | # error "SDL 1.3 or later is required" |
| 34 | #endif |
| 35 | |
| 36 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 37 | # include "TargetConditionals.h" |
| 38 | # include <Foundation/Foundation.h> |
| 39 | #endif |
| 40 | |
| 41 | #define THIS_FILE "sdl_dev.c" |
| 42 | #define DEFAULT_CLOCK_RATE 90000 |
| 43 | #define DEFAULT_WIDTH 640 |
| 44 | #define DEFAULT_HEIGHT 480 |
| 45 | #define DEFAULT_FPS 25 |
| 46 | |
| 47 | typedef struct sdl_fmt_info |
| 48 | { |
| 49 | pjmedia_format_id fmt_id; |
| 50 | Uint32 sdl_format; |
| 51 | Uint32 Rmask; |
| 52 | Uint32 Gmask; |
| 53 | Uint32 Bmask; |
| 54 | Uint32 Amask; |
| 55 | } sdl_fmt_info; |
| 56 | |
| 57 | static sdl_fmt_info sdl_fmts[] = |
| 58 | { |
| 59 | #if PJ_IS_BIG_ENDIAN |
| 60 | {PJMEDIA_FORMAT_RGBA, (Uint32)SDL_PIXELFORMAT_RGBA8888, |
| 61 | 0xFF000000, 0xFF0000, 0xFF00, 0xFF} , |
| 62 | {PJMEDIA_FORMAT_RGB24, (Uint32)SDL_PIXELFORMAT_RGB24, |
| 63 | 0xFF0000, 0xFF00, 0xFF, 0} , |
| 64 | {PJMEDIA_FORMAT_BGRA, (Uint32)SDL_PIXELFORMAT_BGRA8888, |
| 65 | 0xFF00, 0xFF0000, 0xFF000000, 0xFF} , |
| 66 | #else /* PJ_IS_BIG_ENDIAN */ |
| 67 | {PJMEDIA_FORMAT_RGBA, (Uint32)SDL_PIXELFORMAT_ABGR8888, |
| 68 | 0xFF, 0xFF00, 0xFF0000, 0xFF000000} , |
| 69 | {PJMEDIA_FORMAT_RGB24, (Uint32)SDL_PIXELFORMAT_BGR24, |
| 70 | 0xFF, 0xFF00, 0xFF0000, 0} , |
| 71 | {PJMEDIA_FORMAT_BGRA, (Uint32)SDL_PIXELFORMAT_ARGB8888, |
| 72 | 0xFF0000, 0xFF00, 0xFF, 0xFF000000} , |
| 73 | #endif /* PJ_IS_BIG_ENDIAN */ |
| 74 | |
| 75 | {PJMEDIA_FORMAT_DIB , (Uint32)SDL_PIXELFORMAT_RGB24, |
| 76 | 0xFF0000, 0xFF00, 0xFF, 0} , |
| 77 | |
| 78 | {PJMEDIA_FORMAT_YUY2, SDL_PIXELFORMAT_YUY2, 0, 0, 0, 0} , |
| 79 | {PJMEDIA_FORMAT_UYVY, SDL_PIXELFORMAT_UYVY, 0, 0, 0, 0} , |
| 80 | {PJMEDIA_FORMAT_YVYU, SDL_PIXELFORMAT_YVYU, 0, 0, 0, 0} , |
| 81 | {PJMEDIA_FORMAT_I420, SDL_PIXELFORMAT_IYUV, 0, 0, 0, 0} , |
| 82 | {PJMEDIA_FORMAT_YV12, SDL_PIXELFORMAT_YV12, 0, 0, 0, 0} , |
| 83 | {PJMEDIA_FORMAT_I420JPEG, SDL_PIXELFORMAT_IYUV, 0, 0, 0, 0} , |
| 84 | {PJMEDIA_FORMAT_I422JPEG, SDL_PIXELFORMAT_YV12, 0, 0, 0, 0} |
| 85 | }; |
| 86 | |
| 87 | /* sdl_ device info */ |
| 88 | struct sdl_dev_info |
| 89 | { |
| 90 | pjmedia_vid_dev_info info; |
| 91 | }; |
| 92 | |
| 93 | /* Linked list of streams */ |
| 94 | struct stream_list |
| 95 | { |
| 96 | PJ_DECL_LIST_MEMBER(struct stream_list); |
| 97 | struct sdl_stream *stream; |
| 98 | }; |
| 99 | |
| 100 | #define INITIAL_MAX_JOBS 64 |
| 101 | #define JOB_QUEUE_INC_FACTOR 2 |
| 102 | |
| 103 | typedef pj_status_t (*job_func_ptr)(void *data); |
| 104 | |
| 105 | typedef struct job { |
| 106 | job_func_ptr func; |
| 107 | void *data; |
| 108 | unsigned flags; |
| 109 | pj_status_t retval; |
| 110 | } job; |
| 111 | |
| 112 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 113 | @interface JQDelegate: NSObject |
| 114 | { |
| 115 | @public |
| 116 | job *pjob; |
| 117 | } |
| 118 | |
| 119 | - (void)run_job; |
| 120 | @end |
| 121 | |
| 122 | @implementation JQDelegate |
| 123 | - (void)run_job |
| 124 | { |
| 125 | pjob->retval = (*pjob->func)(pjob->data); |
| 126 | } |
| 127 | @end |
| 128 | #endif /* PJ_DARWINOS */ |
| 129 | |
| 130 | typedef struct job_queue { |
| 131 | pj_pool_t *pool; |
| 132 | job **jobs; |
| 133 | pj_sem_t **job_sem; |
| 134 | pj_sem_t **old_sem; |
| 135 | pj_mutex_t *mutex; |
| 136 | pj_thread_t *thread; |
| 137 | pj_sem_t *sem; |
| 138 | |
| 139 | unsigned size; |
| 140 | unsigned head, tail; |
| 141 | pj_bool_t is_full; |
| 142 | pj_bool_t is_quitting; |
| 143 | } job_queue; |
| 144 | |
| 145 | /* sdl_ factory */ |
| 146 | struct sdl_factory |
| 147 | { |
| 148 | pjmedia_vid_dev_factory base; |
| 149 | pj_pool_t *pool; |
| 150 | pj_pool_factory *pf; |
| 151 | |
| 152 | unsigned dev_count; |
| 153 | struct sdl_dev_info *dev_info; |
| 154 | job_queue *jq; |
| 155 | |
| 156 | pj_thread_t *sdl_thread; /**< SDL thread. */ |
| 157 | pj_sem_t *sem; |
| 158 | pj_mutex_t *mutex; |
| 159 | struct stream_list streams; |
| 160 | pj_bool_t is_quitting; |
| 161 | pj_thread_desc thread_desc; |
| 162 | pj_thread_t *ev_thread; |
| 163 | }; |
| 164 | |
| 165 | /* Video stream. */ |
| 166 | struct sdl_stream |
| 167 | { |
| 168 | pjmedia_vid_dev_stream base; /**< Base stream */ |
| 169 | pjmedia_vid_dev_param param; /**< Settings */ |
| 170 | pj_pool_t *pool; /**< Memory pool. */ |
| 171 | |
| 172 | pjmedia_vid_dev_cb vid_cb; /**< Stream callback. */ |
| 173 | void *user_data; /**< Application data. */ |
| 174 | |
| 175 | struct sdl_factory *sf; |
| 176 | const pjmedia_frame *frame; |
| 177 | pj_bool_t is_running; |
| 178 | pj_timestamp last_ts; |
| 179 | struct stream_list list_entry; |
| 180 | |
| 181 | SDL_Window *window; /**< Display window. */ |
| 182 | SDL_Renderer *renderer; /**< Display renderer. */ |
| 183 | SDL_Texture *scr_tex; /**< Screen texture. */ |
| 184 | int pitch; /**< Pitch value. */ |
| 185 | SDL_Rect rect; /**< Frame rectangle. */ |
| 186 | SDL_Rect dstrect; /**< Display rectangle. */ |
| 187 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 188 | SDL_GLContext *gl_context; |
| 189 | GLuint texture; |
| 190 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 191 | |
| 192 | pjmedia_video_apply_fmt_param vafp; |
| 193 | }; |
| 194 | |
| 195 | /* Prototypes */ |
| 196 | static pj_status_t sdl_factory_init(pjmedia_vid_dev_factory *f); |
| 197 | static pj_status_t sdl_factory_destroy(pjmedia_vid_dev_factory *f); |
| 198 | static pj_status_t sdl_factory_refresh(pjmedia_vid_dev_factory *f); |
| 199 | static unsigned sdl_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| 200 | static pj_status_t sdl_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 201 | unsigned index, |
| 202 | pjmedia_vid_dev_info *info); |
| 203 | static pj_status_t sdl_factory_default_param(pj_pool_t *pool, |
| 204 | pjmedia_vid_dev_factory *f, |
| 205 | unsigned index, |
| 206 | pjmedia_vid_dev_param *param); |
| 207 | static pj_status_t sdl_factory_create_stream( |
| 208 | pjmedia_vid_dev_factory *f, |
| 209 | pjmedia_vid_dev_param *param, |
| 210 | const pjmedia_vid_dev_cb *cb, |
| 211 | void *user_data, |
| 212 | pjmedia_vid_dev_stream **p_vid_strm); |
| 213 | |
| 214 | static pj_status_t sdl_stream_get_param(pjmedia_vid_dev_stream *strm, |
| 215 | pjmedia_vid_dev_param *param); |
| 216 | static pj_status_t sdl_stream_get_cap(pjmedia_vid_dev_stream *strm, |
| 217 | pjmedia_vid_dev_cap cap, |
| 218 | void *value); |
| 219 | static pj_status_t sdl_stream_set_cap(pjmedia_vid_dev_stream *strm, |
| 220 | pjmedia_vid_dev_cap cap, |
| 221 | const void *value); |
| 222 | static pj_status_t sdl_stream_put_frame(pjmedia_vid_dev_stream *strm, |
| 223 | const pjmedia_frame *frame); |
| 224 | static pj_status_t sdl_stream_start(pjmedia_vid_dev_stream *strm); |
| 225 | static pj_status_t sdl_stream_stop(pjmedia_vid_dev_stream *strm); |
| 226 | static pj_status_t sdl_stream_destroy(pjmedia_vid_dev_stream *strm); |
| 227 | |
| 228 | static pj_status_t resize_disp(struct sdl_stream *strm, |
| 229 | pjmedia_rect_size *new_disp_size); |
| 230 | static pj_status_t sdl_destroy_all(void *data); |
| 231 | |
| 232 | /* Job queue prototypes */ |
| 233 | static pj_status_t job_queue_create(pj_pool_t *pool, job_queue **pjq); |
| 234 | static pj_status_t job_queue_post_job(job_queue *jq, job_func_ptr func, |
| 235 | void *data, unsigned flags, |
| 236 | pj_status_t *retval); |
| 237 | static pj_status_t job_queue_destroy(job_queue *jq); |
| 238 | |
| 239 | /* Operations */ |
| 240 | static pjmedia_vid_dev_factory_op factory_op = |
| 241 | { |
| 242 | &sdl_factory_init, |
| 243 | &sdl_factory_destroy, |
| 244 | &sdl_factory_get_dev_count, |
| 245 | &sdl_factory_get_dev_info, |
| 246 | &sdl_factory_default_param, |
| 247 | &sdl_factory_create_stream, |
| 248 | &sdl_factory_refresh |
| 249 | }; |
| 250 | |
| 251 | static pjmedia_vid_dev_stream_op stream_op = |
| 252 | { |
| 253 | &sdl_stream_get_param, |
| 254 | &sdl_stream_get_cap, |
| 255 | &sdl_stream_set_cap, |
| 256 | &sdl_stream_start, |
| 257 | NULL, |
| 258 | &sdl_stream_put_frame, |
| 259 | &sdl_stream_stop, |
| 260 | &sdl_stream_destroy |
| 261 | }; |
| 262 | |
| 263 | /* |
| 264 | * Util |
| 265 | */ |
| 266 | static void sdl_log_err(const char *op) |
| 267 | { |
| 268 | PJ_LOG(1,(THIS_FILE, "%s error: %s", op, SDL_GetError())); |
| 269 | } |
| 270 | |
| 271 | /**************************************************************************** |
| 272 | * Factory operations |
| 273 | */ |
| 274 | /* |
| 275 | * Init sdl_ video driver. |
| 276 | */ |
| 277 | pjmedia_vid_dev_factory* pjmedia_sdl_factory(pj_pool_factory *pf) |
| 278 | { |
| 279 | struct sdl_factory *f; |
| 280 | pj_pool_t *pool; |
| 281 | |
| 282 | pool = pj_pool_create(pf, "sdl video", 1000, 1000, NULL); |
| 283 | f = PJ_POOL_ZALLOC_T(pool, struct sdl_factory); |
| 284 | f->pf = pf; |
| 285 | f->pool = pool; |
| 286 | f->base.op = &factory_op; |
| 287 | |
| 288 | return &f->base; |
| 289 | } |
| 290 | |
| 291 | static pj_status_t sdl_init(void * data) |
| 292 | { |
| 293 | PJ_UNUSED_ARG(data); |
| 294 | |
| 295 | if (SDL_Init(SDL_INIT_VIDEO)) { |
| 296 | sdl_log_err("SDL_Init()"); |
| 297 | return PJMEDIA_EVID_INIT; |
| 298 | } |
| 299 | |
| 300 | return PJ_SUCCESS; |
| 301 | } |
| 302 | |
| 303 | static struct sdl_stream* find_stream(struct sdl_factory *sf, |
| 304 | Uint32 windowID, |
| 305 | pjmedia_event *pevent) |
| 306 | { |
| 307 | struct stream_list *it, *itBegin; |
| 308 | struct sdl_stream *strm = NULL; |
| 309 | |
| 310 | itBegin = &sf->streams; |
| 311 | for (it = itBegin->next; it != itBegin; it = it->next) { |
| 312 | if (SDL_GetWindowID(it->stream->window) == windowID) |
| 313 | { |
| 314 | strm = it->stream; |
| 315 | break; |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | if (strm) |
| 320 | pjmedia_event_init(pevent, PJMEDIA_EVENT_NONE, &strm->last_ts, |
| 321 | strm); |
| 322 | |
| 323 | return strm; |
| 324 | } |
| 325 | |
| 326 | static pj_status_t handle_event(void *data) |
| 327 | { |
| 328 | struct sdl_factory *sf = (struct sdl_factory*)data; |
| 329 | SDL_Event sevent; |
| 330 | |
| 331 | if (!pj_thread_is_registered()) |
| 332 | pj_thread_register("sdl_ev", sf->thread_desc, &sf->ev_thread); |
| 333 | |
| 334 | while (SDL_PollEvent(&sevent)) { |
| 335 | struct sdl_stream *strm = NULL; |
| 336 | pjmedia_event pevent; |
| 337 | |
| 338 | pj_mutex_lock(sf->mutex); |
| 339 | pevent.type = PJMEDIA_EVENT_NONE; |
| 340 | switch(sevent.type) { |
| 341 | case SDL_MOUSEBUTTONDOWN: |
| 342 | strm = find_stream(sf, sevent.button.windowID, &pevent); |
| 343 | pevent.type = PJMEDIA_EVENT_MOUSE_BTN_DOWN; |
| 344 | break; |
| 345 | case SDL_WINDOWEVENT: |
| 346 | strm = find_stream(sf, sevent.window.windowID, &pevent); |
| 347 | switch (sevent.window.event) { |
| 348 | case SDL_WINDOWEVENT_RESIZED: |
| 349 | pevent.type = PJMEDIA_EVENT_WND_RESIZED; |
| 350 | pevent.data.wnd_resized.new_size.w = |
| 351 | sevent.window.data1; |
| 352 | pevent.data.wnd_resized.new_size.h = |
| 353 | sevent.window.data2; |
| 354 | break; |
| 355 | case SDL_WINDOWEVENT_CLOSE: |
| 356 | pevent.type = PJMEDIA_EVENT_WND_CLOSING; |
| 357 | break; |
| 358 | } |
| 359 | break; |
| 360 | default: |
| 361 | break; |
| 362 | } |
| 363 | |
| 364 | if (strm && pevent.type != PJMEDIA_EVENT_NONE) { |
| 365 | pj_status_t status; |
| 366 | |
| 367 | pjmedia_event_publish(NULL, strm, &pevent, 0); |
| 368 | |
| 369 | switch (pevent.type) { |
| 370 | case PJMEDIA_EVENT_WND_RESIZED: |
| 371 | status = resize_disp(strm, &pevent.data.wnd_resized.new_size); |
| 372 | if (status != PJ_SUCCESS) |
| 373 | PJ_LOG(3, (THIS_FILE, "Failed resizing the display.")); |
| 374 | break; |
| 375 | case PJMEDIA_EVENT_WND_CLOSING: |
| 376 | if (pevent.data.wnd_closing.cancel) { |
| 377 | /* Cancel the closing operation */ |
| 378 | break; |
| 379 | } |
| 380 | |
| 381 | /* Proceed to cleanup SDL. App must still call |
| 382 | * pjmedia_dev_stream_destroy() when getting WND_CLOSED |
| 383 | * event |
| 384 | */ |
| 385 | sdl_stream_stop(&strm->base); |
| 386 | sdl_destroy_all(strm); |
| 387 | pjmedia_event_init(&pevent, PJMEDIA_EVENT_WND_CLOSED, |
| 388 | &strm->last_ts, strm); |
| 389 | pjmedia_event_publish(NULL, strm, &pevent, 0); |
| 390 | |
| 391 | /* |
| 392 | * Note: don't access the stream after this point, it |
| 393 | * might have been destroyed |
| 394 | */ |
| 395 | break; |
| 396 | default: |
| 397 | /* Just to prevent gcc warning about unused enums */ |
| 398 | break; |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | pj_mutex_unlock(sf->mutex); |
| 403 | } |
| 404 | |
| 405 | return PJ_SUCCESS; |
| 406 | } |
| 407 | |
| 408 | static int sdl_ev_thread(void *data) |
| 409 | { |
| 410 | struct sdl_factory *sf = (struct sdl_factory*)data; |
| 411 | |
| 412 | while(1) { |
| 413 | pj_status_t status; |
| 414 | |
| 415 | pj_mutex_lock(sf->mutex); |
| 416 | if (pj_list_empty(&sf->streams)) { |
| 417 | pj_mutex_unlock(sf->mutex); |
| 418 | /* Wait until there is any stream. */ |
| 419 | pj_sem_wait(sf->sem); |
| 420 | } else |
| 421 | pj_mutex_unlock(sf->mutex); |
| 422 | |
| 423 | if (sf->is_quitting) |
| 424 | break; |
| 425 | |
| 426 | job_queue_post_job(sf->jq, handle_event, sf, 0, &status); |
| 427 | |
| 428 | pj_thread_sleep(50); |
| 429 | } |
| 430 | |
| 431 | return 0; |
| 432 | } |
| 433 | |
| 434 | static pj_status_t sdl_quit(void *data) |
| 435 | { |
| 436 | PJ_UNUSED_ARG(data); |
| 437 | SDL_Quit(); |
| 438 | return PJ_SUCCESS; |
| 439 | } |
| 440 | |
| 441 | /* API: init factory */ |
| 442 | static pj_status_t sdl_factory_init(pjmedia_vid_dev_factory *f) |
| 443 | { |
| 444 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 445 | struct sdl_dev_info *ddi; |
| 446 | unsigned i, j; |
| 447 | pj_status_t status; |
| 448 | SDL_version version; |
| 449 | |
| 450 | pj_list_init(&sf->streams); |
| 451 | |
| 452 | status = job_queue_create(sf->pool, &sf->jq); |
| 453 | if (status != PJ_SUCCESS) |
| 454 | return PJMEDIA_EVID_INIT; |
| 455 | |
| 456 | job_queue_post_job(sf->jq, sdl_init, NULL, 0, &status); |
| 457 | if (status != PJ_SUCCESS) |
| 458 | return status; |
| 459 | |
| 460 | status = pj_mutex_create_recursive(sf->pool, "sdl_factory", |
| 461 | &sf->mutex); |
| 462 | if (status != PJ_SUCCESS) |
| 463 | return status; |
| 464 | |
| 465 | status = pj_sem_create(sf->pool, NULL, 0, 1, &sf->sem); |
| 466 | if (status != PJ_SUCCESS) |
| 467 | return status; |
| 468 | |
| 469 | /* Create event handler thread. */ |
| 470 | status = pj_thread_create(sf->pool, "sdl_thread", sdl_ev_thread, |
| 471 | sf, 0, 0, &sf->sdl_thread); |
| 472 | if (status != PJ_SUCCESS) |
| 473 | return status; |
| 474 | |
| 475 | sf->dev_count = 1; |
| 476 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 477 | sf->dev_count++; |
| 478 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 479 | sf->dev_info = (struct sdl_dev_info*) |
| 480 | pj_pool_calloc(sf->pool, sf->dev_count, |
| 481 | sizeof(struct sdl_dev_info)); |
| 482 | |
| 483 | ddi = &sf->dev_info[0]; |
| 484 | pj_bzero(ddi, sizeof(*ddi)); |
| 485 | strncpy(ddi->info.name, "SDL renderer", sizeof(ddi->info.name)); |
| 486 | ddi->info.name[sizeof(ddi->info.name)-1] = '\0'; |
| 487 | ddi->info.fmt_cnt = PJ_ARRAY_SIZE(sdl_fmts); |
| 488 | |
| 489 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 490 | ddi = &sf->dev_info[OPENGL_DEV_IDX]; |
| 491 | pj_bzero(ddi, sizeof(*ddi)); |
| 492 | strncpy(ddi->info.name, "SDL openGL renderer", sizeof(ddi->info.name)); |
| 493 | ddi->info.name[sizeof(ddi->info.name)-1] = '\0'; |
| 494 | ddi->info.fmt_cnt = 1; |
| 495 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 496 | |
| 497 | for (i = 0; i < sf->dev_count; i++) { |
| 498 | ddi = &sf->dev_info[i]; |
| 499 | strncpy(ddi->info.driver, "SDL", sizeof(ddi->info.driver)); |
| 500 | ddi->info.driver[sizeof(ddi->info.driver)-1] = '\0'; |
| 501 | ddi->info.dir = PJMEDIA_DIR_RENDER; |
| 502 | ddi->info.has_callback = PJ_FALSE; |
| 503 | ddi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT | |
| 504 | PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE; |
| 505 | ddi->info.caps |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| 506 | ddi->info.caps |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; |
| 507 | |
| 508 | for (j = 0; j < ddi->info.fmt_cnt; j++) { |
| 509 | pjmedia_format *fmt = &ddi->info.fmt[j]; |
| 510 | pjmedia_format_init_video(fmt, sdl_fmts[j].fmt_id, |
| 511 | DEFAULT_WIDTH, DEFAULT_HEIGHT, |
| 512 | DEFAULT_FPS, 1); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | SDL_VERSION(&version); |
| 517 | PJ_LOG(4, (THIS_FILE, "SDL %d.%d initialized", |
| 518 | version.major, version.minor)); |
| 519 | |
| 520 | return PJ_SUCCESS; |
| 521 | } |
| 522 | |
| 523 | /* API: destroy factory */ |
| 524 | static pj_status_t sdl_factory_destroy(pjmedia_vid_dev_factory *f) |
| 525 | { |
| 526 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 527 | pj_pool_t *pool = sf->pool; |
| 528 | pj_status_t status; |
| 529 | |
| 530 | pj_assert(pj_list_empty(&sf->streams)); |
| 531 | |
| 532 | sf->is_quitting = PJ_TRUE; |
| 533 | if (sf->sdl_thread) { |
| 534 | pj_sem_post(sf->sem); |
| 535 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 536 | /* To prevent pj_thread_join() of getting stuck if we are in |
| 537 | * the main thread and we haven't finished processing the job |
| 538 | * posted by sdl_thread. |
| 539 | */ |
| 540 | CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false); |
| 541 | #endif |
| 542 | pj_thread_join(sf->sdl_thread); |
| 543 | pj_thread_destroy(sf->sdl_thread); |
| 544 | } |
| 545 | |
| 546 | if (sf->mutex) { |
| 547 | pj_mutex_destroy(sf->mutex); |
| 548 | sf->mutex = NULL; |
| 549 | } |
| 550 | |
| 551 | if (sf->sem) { |
| 552 | pj_sem_destroy(sf->sem); |
| 553 | sf->sem = NULL; |
| 554 | } |
| 555 | |
| 556 | job_queue_post_job(sf->jq, sdl_quit, NULL, 0, &status); |
| 557 | job_queue_destroy(sf->jq); |
| 558 | |
| 559 | sf->pool = NULL; |
| 560 | pj_pool_release(pool); |
| 561 | |
| 562 | return PJ_SUCCESS; |
| 563 | } |
| 564 | |
| 565 | /* API: refresh the list of devices */ |
| 566 | static pj_status_t sdl_factory_refresh(pjmedia_vid_dev_factory *f) |
| 567 | { |
| 568 | PJ_UNUSED_ARG(f); |
| 569 | return PJ_SUCCESS; |
| 570 | } |
| 571 | |
| 572 | /* API: get number of devices */ |
| 573 | static unsigned sdl_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| 574 | { |
| 575 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 576 | return sf->dev_count; |
| 577 | } |
| 578 | |
| 579 | /* API: get device info */ |
| 580 | static pj_status_t sdl_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 581 | unsigned index, |
| 582 | pjmedia_vid_dev_info *info) |
| 583 | { |
| 584 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 585 | |
| 586 | PJ_ASSERT_RETURN(index < sf->dev_count, PJMEDIA_EVID_INVDEV); |
| 587 | |
| 588 | pj_memcpy(info, &sf->dev_info[index].info, sizeof(*info)); |
| 589 | |
| 590 | return PJ_SUCCESS; |
| 591 | } |
| 592 | |
| 593 | /* API: create default device parameter */ |
| 594 | static pj_status_t sdl_factory_default_param(pj_pool_t *pool, |
| 595 | pjmedia_vid_dev_factory *f, |
| 596 | unsigned index, |
| 597 | pjmedia_vid_dev_param *param) |
| 598 | { |
| 599 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 600 | struct sdl_dev_info *di = &sf->dev_info[index]; |
| 601 | |
| 602 | PJ_ASSERT_RETURN(index < sf->dev_count, PJMEDIA_EVID_INVDEV); |
| 603 | |
| 604 | PJ_UNUSED_ARG(pool); |
| 605 | |
| 606 | pj_bzero(param, sizeof(*param)); |
| 607 | param->dir = PJMEDIA_DIR_RENDER; |
| 608 | param->rend_id = index; |
| 609 | param->cap_id = PJMEDIA_VID_INVALID_DEV; |
| 610 | |
| 611 | /* Set the device capabilities here */ |
| 612 | param->flags = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 613 | param->fmt.type = PJMEDIA_TYPE_VIDEO; |
| 614 | param->clock_rate = DEFAULT_CLOCK_RATE; |
| 615 | pj_memcpy(¶m->fmt, &di->info.fmt[0], sizeof(param->fmt)); |
| 616 | |
| 617 | return PJ_SUCCESS; |
| 618 | } |
| 619 | |
| 620 | static sdl_fmt_info* get_sdl_format_info(pjmedia_format_id id) |
| 621 | { |
| 622 | unsigned i; |
| 623 | |
| 624 | for (i = 0; i < sizeof(sdl_fmts)/sizeof(sdl_fmts[0]); i++) { |
| 625 | if (sdl_fmts[i].fmt_id == id) |
| 626 | return &sdl_fmts[i]; |
| 627 | } |
| 628 | |
| 629 | return NULL; |
| 630 | } |
| 631 | |
| 632 | static pj_status_t sdl_destroy(void *data) |
| 633 | { |
| 634 | struct sdl_stream *strm = (struct sdl_stream *)data; |
| 635 | |
| 636 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 637 | if (strm->texture) { |
| 638 | glDeleteTextures(1, &strm->texture); |
| 639 | strm->texture = 0; |
| 640 | } |
| 641 | if (strm->gl_context) { |
| 642 | SDL_GL_DeleteContext(strm->gl_context); |
| 643 | strm->gl_context = NULL; |
| 644 | } |
| 645 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 646 | if (strm->scr_tex) { |
| 647 | SDL_DestroyTexture(strm->scr_tex); |
| 648 | strm->scr_tex = NULL; |
| 649 | } |
| 650 | if (strm->renderer) { |
| 651 | SDL_DestroyRenderer(strm->renderer); |
| 652 | strm->renderer = NULL; |
| 653 | } |
| 654 | |
| 655 | return PJ_SUCCESS; |
| 656 | } |
| 657 | |
| 658 | static pj_status_t sdl_destroy_all(void *data) |
| 659 | { |
| 660 | struct sdl_stream *strm = (struct sdl_stream *)data; |
| 661 | |
| 662 | sdl_destroy(data); |
| 663 | #if !defined(TARGET_OS_IPHONE) || TARGET_OS_IPHONE == 0 |
| 664 | if (strm->window && |
| 665 | !(strm->param.flags & PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW)) |
| 666 | { |
| 667 | SDL_DestroyWindow(strm->window); |
| 668 | } |
| 669 | strm->window = NULL; |
| 670 | #endif /* TARGET_OS_IPHONE */ |
| 671 | |
| 672 | return PJ_SUCCESS; |
| 673 | } |
| 674 | |
| 675 | static pj_status_t sdl_create_rend(struct sdl_stream * strm, |
| 676 | pjmedia_format *fmt) |
| 677 | { |
| 678 | sdl_fmt_info *sdl_info; |
| 679 | const pjmedia_video_format_info *vfi; |
| 680 | pjmedia_video_format_detail *vfd; |
| 681 | |
| 682 | sdl_info = get_sdl_format_info(fmt->id); |
| 683 | vfi = pjmedia_get_video_format_info(pjmedia_video_format_mgr_instance(), |
| 684 | fmt->id); |
| 685 | if (!vfi || !sdl_info) |
| 686 | return PJMEDIA_EVID_BADFORMAT; |
| 687 | |
| 688 | strm->vafp.size = fmt->det.vid.size; |
| 689 | strm->vafp.buffer = NULL; |
| 690 | if (vfi->apply_fmt(vfi, &strm->vafp) != PJ_SUCCESS) |
| 691 | return PJMEDIA_EVID_BADFORMAT; |
| 692 | |
| 693 | vfd = pjmedia_format_get_video_format_detail(fmt, PJ_TRUE); |
| 694 | strm->rect.x = strm->rect.y = 0; |
| 695 | strm->rect.w = (Uint16)vfd->size.w; |
| 696 | strm->rect.h = (Uint16)vfd->size.h; |
| 697 | if (strm->param.disp_size.w == 0) |
| 698 | strm->param.disp_size.w = strm->rect.w; |
| 699 | if (strm->param.disp_size.h == 0) |
| 700 | strm->param.disp_size.h = strm->rect.h; |
| 701 | strm->dstrect.x = strm->dstrect.y = 0; |
| 702 | strm->dstrect.w = (Uint16)strm->param.disp_size.w; |
| 703 | strm->dstrect.h = (Uint16)strm->param.disp_size.h; |
| 704 | |
| 705 | sdl_destroy(strm); |
| 706 | |
| 707 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 708 | if (strm->param.rend_id == OPENGL_DEV_IDX) { |
| 709 | SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1); |
| 710 | } |
| 711 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 712 | |
| 713 | if (!strm->window) { |
| 714 | Uint32 flags = 0; |
| 715 | |
| 716 | if (strm->param.flags & PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS) { |
| 717 | if (!(strm->param.window_flags & PJMEDIA_VID_DEV_WND_BORDER)) |
| 718 | flags |= SDL_WINDOW_BORDERLESS; |
| 719 | if (strm->param.window_flags & PJMEDIA_VID_DEV_WND_RESIZABLE) |
| 720 | flags |= SDL_WINDOW_RESIZABLE; |
| 721 | } else { |
| 722 | flags |= SDL_WINDOW_BORDERLESS; |
| 723 | } |
| 724 | |
| 725 | if (!((strm->param.flags & PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE) && |
| 726 | strm->param.window_hide)) |
| 727 | { |
| 728 | flags |= SDL_WINDOW_SHOWN; |
| 729 | } else { |
| 730 | flags &= ~SDL_WINDOW_SHOWN; |
| 731 | flags |= SDL_WINDOW_HIDDEN; |
| 732 | } |
| 733 | |
| 734 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 735 | if (strm->param.rend_id == OPENGL_DEV_IDX) |
| 736 | flags |= SDL_WINDOW_OPENGL; |
| 737 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 738 | |
| 739 | if (strm->param.flags & PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW) { |
| 740 | /* Use the window supplied by the application. */ |
| 741 | strm->window = SDL_CreateWindowFrom( |
| 742 | strm->param.window.info.window); |
| 743 | if (!strm->window) { |
| 744 | sdl_log_err("SDL_CreateWindowFrom()"); |
| 745 | return PJMEDIA_EVID_SYSERR; |
| 746 | } |
| 747 | } else { |
| 748 | int x, y; |
| 749 | |
| 750 | x = y = SDL_WINDOWPOS_CENTERED; |
| 751 | if (strm->param.flags & PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION) { |
| 752 | x = strm->param.window_pos.x; |
| 753 | y = strm->param.window_pos.y; |
| 754 | } |
| 755 | |
| 756 | /* Create the window where we will draw. */ |
| 757 | strm->window = SDL_CreateWindow("pjmedia-SDL video", |
| 758 | x, y, |
| 759 | strm->param.disp_size.w, |
| 760 | strm->param.disp_size.h, |
| 761 | flags); |
| 762 | if (!strm->window) { |
| 763 | sdl_log_err("SDL_CreateWindow()"); |
| 764 | return PJMEDIA_EVID_SYSERR; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | /** |
| 770 | * We must call SDL_CreateRenderer in order for draw calls to |
| 771 | * affect this window. |
| 772 | */ |
| 773 | strm->renderer = SDL_CreateRenderer(strm->window, -1, 0); |
| 774 | if (!strm->renderer) { |
| 775 | sdl_log_err("SDL_CreateRenderer()"); |
| 776 | return PJMEDIA_EVID_SYSERR; |
| 777 | } |
| 778 | |
| 779 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 780 | if (strm->param.rend_id == OPENGL_DEV_IDX) { |
| 781 | strm->gl_context = SDL_GL_CreateContext(strm->window); |
| 782 | if (!strm->gl_context) { |
| 783 | sdl_log_err("SDL_GL_CreateContext()"); |
| 784 | return PJMEDIA_EVID_SYSERR; |
| 785 | } |
| 786 | SDL_GL_MakeCurrent(strm->window, strm->gl_context); |
| 787 | |
| 788 | /* Init some OpenGL settings */ |
| 789 | glDisable(GL_DEPTH_TEST); |
| 790 | glDisable(GL_CULL_FACE); |
| 791 | glEnable(GL_TEXTURE_2D); |
| 792 | |
| 793 | /* Init the viewport */ |
| 794 | glViewport(0, 0, strm->param.disp_size.w, strm->param.disp_size.h); |
| 795 | glMatrixMode(GL_PROJECTION); |
| 796 | glLoadIdentity(); |
| 797 | |
| 798 | glOrtho(0.0, (GLdouble)strm->param.disp_size.w, |
| 799 | (GLdouble)strm->param.disp_size.h, 0.0, 0.0, 1.0); |
| 800 | |
| 801 | glMatrixMode(GL_MODELVIEW); |
| 802 | glLoadIdentity(); |
| 803 | |
| 804 | /* Create a texture */ |
| 805 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); |
| 806 | glGenTextures(1, &strm->texture); |
| 807 | |
| 808 | if (!strm->texture) |
| 809 | return PJMEDIA_EVID_SYSERR; |
| 810 | } else |
| 811 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 812 | { |
| 813 | strm->scr_tex = SDL_CreateTexture(strm->renderer, sdl_info->sdl_format, |
| 814 | SDL_TEXTUREACCESS_STREAMING, |
| 815 | strm->rect.w, strm->rect.h); |
| 816 | if (strm->scr_tex == NULL) { |
| 817 | sdl_log_err("SDL_CreateTexture()"); |
| 818 | return PJMEDIA_EVID_SYSERR; |
| 819 | } |
| 820 | |
| 821 | strm->pitch = strm->rect.w * SDL_BYTESPERPIXEL(sdl_info->sdl_format); |
| 822 | } |
| 823 | |
| 824 | return PJ_SUCCESS; |
| 825 | } |
| 826 | |
| 827 | static pj_status_t sdl_create(void *data) |
| 828 | { |
| 829 | struct sdl_stream *strm = (struct sdl_stream *)data; |
| 830 | return sdl_create_rend(strm, &strm->param.fmt); |
| 831 | } |
| 832 | |
| 833 | static pj_status_t resize_disp(struct sdl_stream *strm, |
| 834 | pjmedia_rect_size *new_disp_size) |
| 835 | { |
| 836 | pj_memcpy(&strm->param.disp_size, new_disp_size, |
| 837 | sizeof(strm->param.disp_size)); |
| 838 | |
| 839 | if (strm->scr_tex) { |
| 840 | strm->dstrect.x = strm->dstrect.y = 0; |
| 841 | strm->dstrect.w = (Uint16)strm->param.disp_size.w; |
| 842 | strm->dstrect.h = (Uint16)strm->param.disp_size.h; |
| 843 | SDL_RenderSetViewport(strm->renderer, &strm->dstrect); |
| 844 | } |
| 845 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 846 | else if (strm->param.rend_id == OPENGL_DEV_IDX) { |
| 847 | sdl_create_rend(strm, &strm->param.fmt); |
| 848 | } |
| 849 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 850 | |
| 851 | return PJ_SUCCESS; |
| 852 | } |
| 853 | |
| 854 | static pj_status_t change_format(struct sdl_stream *strm, |
| 855 | pjmedia_format *new_fmt) |
| 856 | { |
| 857 | pj_status_t status; |
| 858 | |
| 859 | /* Recreate SDL renderer */ |
| 860 | status = sdl_create_rend(strm, (new_fmt? new_fmt : |
| 861 | &strm->param.fmt)); |
| 862 | if (status == PJ_SUCCESS && new_fmt) |
| 863 | pjmedia_format_copy(&strm->param.fmt, new_fmt); |
| 864 | |
| 865 | return status; |
| 866 | } |
| 867 | |
| 868 | static pj_status_t put_frame(void *data) |
| 869 | { |
| 870 | struct sdl_stream *stream = (struct sdl_stream *)data; |
| 871 | const pjmedia_frame *frame = stream->frame; |
| 872 | |
| 873 | if (stream->scr_tex) { |
| 874 | SDL_UpdateTexture(stream->scr_tex, NULL, frame->buf, stream->pitch); |
| 875 | SDL_RenderClear(stream->renderer); |
| 876 | SDL_RenderCopy(stream->renderer, stream->scr_tex, |
| 877 | &stream->rect, &stream->dstrect); |
| 878 | SDL_RenderPresent(stream->renderer); |
| 879 | } |
| 880 | #if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 881 | else if (stream->param.rend_id == OPENGL_DEV_IDX && stream->texture) { |
| 882 | glBindTexture(GL_TEXTURE_2D, stream->texture); |
| 883 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| 884 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| 885 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, |
| 886 | stream->rect.w, stream->rect.h, 0, |
| 887 | GL_RGBA, GL_UNSIGNED_BYTE, frame->buf); |
| 888 | glBegin(GL_TRIANGLE_STRIP); |
| 889 | glTexCoord2f(0, 0); glVertex2i(0, 0); |
| 890 | glTexCoord2f(1, 0); glVertex2i(stream->param.disp_size.w, 0); |
| 891 | glTexCoord2f(0, 1); glVertex2i(0, stream->param.disp_size.h); |
| 892 | glTexCoord2f(1, 1); |
| 893 | glVertex2i(stream->param.disp_size.w, stream->param.disp_size.h); |
| 894 | glEnd(); |
| 895 | SDL_GL_SwapWindow(stream->window); |
| 896 | } |
| 897 | #endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 898 | |
| 899 | return PJ_SUCCESS; |
| 900 | } |
| 901 | |
| 902 | /* API: Put frame from stream */ |
| 903 | static pj_status_t sdl_stream_put_frame(pjmedia_vid_dev_stream *strm, |
| 904 | const pjmedia_frame *frame) |
| 905 | { |
| 906 | struct sdl_stream *stream = (struct sdl_stream*)strm; |
| 907 | pj_status_t status; |
| 908 | |
| 909 | stream->last_ts.u64 = frame->timestamp.u64; |
| 910 | |
| 911 | if (!stream->is_running) |
| 912 | return PJ_EINVALIDOP; |
| 913 | |
| 914 | if (frame->size==0 || frame->buf==NULL || |
| 915 | frame->size < stream->vafp.framebytes) |
| 916 | return PJ_SUCCESS; |
| 917 | |
| 918 | stream->frame = frame; |
| 919 | job_queue_post_job(stream->sf->jq, put_frame, strm, 0, &status); |
| 920 | |
| 921 | return status; |
| 922 | } |
| 923 | |
| 924 | /* API: create stream */ |
| 925 | static pj_status_t sdl_factory_create_stream( |
| 926 | pjmedia_vid_dev_factory *f, |
| 927 | pjmedia_vid_dev_param *param, |
| 928 | const pjmedia_vid_dev_cb *cb, |
| 929 | void *user_data, |
| 930 | pjmedia_vid_dev_stream **p_vid_strm) |
| 931 | { |
| 932 | struct sdl_factory *sf = (struct sdl_factory*)f; |
| 933 | pj_pool_t *pool; |
| 934 | struct sdl_stream *strm; |
| 935 | pj_status_t status; |
| 936 | |
| 937 | PJ_ASSERT_RETURN(param->dir == PJMEDIA_DIR_RENDER, PJ_EINVAL); |
| 938 | |
| 939 | /* Create and Initialize stream descriptor */ |
| 940 | pool = pj_pool_create(sf->pf, "sdl-dev", 1000, 1000, NULL); |
| 941 | PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| 942 | |
| 943 | strm = PJ_POOL_ZALLOC_T(pool, struct sdl_stream); |
| 944 | pj_memcpy(&strm->param, param, sizeof(*param)); |
| 945 | strm->pool = pool; |
| 946 | strm->sf = sf; |
| 947 | pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); |
| 948 | pj_list_init(&strm->list_entry); |
| 949 | strm->list_entry.stream = strm; |
| 950 | strm->user_data = user_data; |
| 951 | |
| 952 | /* Create render stream here */ |
| 953 | job_queue_post_job(sf->jq, sdl_create, strm, 0, &status); |
| 954 | if (status != PJ_SUCCESS) { |
| 955 | goto on_error; |
| 956 | } |
| 957 | pj_mutex_lock(strm->sf->mutex); |
| 958 | if (pj_list_empty(&strm->sf->streams)) |
| 959 | pj_sem_post(strm->sf->sem); |
| 960 | pj_list_insert_after(&strm->sf->streams, &strm->list_entry); |
| 961 | pj_mutex_unlock(strm->sf->mutex); |
| 962 | |
| 963 | /* Done */ |
| 964 | strm->base.op = &stream_op; |
| 965 | *p_vid_strm = &strm->base; |
| 966 | |
| 967 | return PJ_SUCCESS; |
| 968 | |
| 969 | on_error: |
| 970 | sdl_stream_destroy(&strm->base); |
| 971 | return status; |
| 972 | } |
| 973 | |
| 974 | /* API: Get stream info. */ |
| 975 | static pj_status_t sdl_stream_get_param(pjmedia_vid_dev_stream *s, |
| 976 | pjmedia_vid_dev_param *pi) |
| 977 | { |
| 978 | struct sdl_stream *strm = (struct sdl_stream*)s; |
| 979 | |
| 980 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 981 | |
| 982 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 983 | |
| 984 | if (sdl_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW, |
| 985 | &pi->window) == PJ_SUCCESS) |
| 986 | { |
| 987 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| 988 | } |
| 989 | if (sdl_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION, |
| 990 | &pi->window_pos) == PJ_SUCCESS) |
| 991 | { |
| 992 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION; |
| 993 | } |
| 994 | if (sdl_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE, |
| 995 | &pi->disp_size) == PJ_SUCCESS) |
| 996 | { |
| 997 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE; |
| 998 | } |
| 999 | if (sdl_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE, |
| 1000 | &pi->window_hide) == PJ_SUCCESS) |
| 1001 | { |
| 1002 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE; |
| 1003 | } |
| 1004 | if (sdl_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS, |
| 1005 | &pi->window_flags) == PJ_SUCCESS) |
| 1006 | { |
| 1007 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; |
| 1008 | } |
| 1009 | |
| 1010 | return PJ_SUCCESS; |
| 1011 | } |
| 1012 | |
| 1013 | struct strm_cap { |
| 1014 | struct sdl_stream *strm; |
| 1015 | pjmedia_vid_dev_cap cap; |
| 1016 | union { |
| 1017 | void *pval; |
| 1018 | const void *cpval; |
| 1019 | } pval; |
| 1020 | }; |
| 1021 | |
| 1022 | static pj_status_t get_cap(void *data) |
| 1023 | { |
| 1024 | struct strm_cap *scap = (struct strm_cap *)data; |
| 1025 | struct sdl_stream *strm = scap->strm; |
| 1026 | pjmedia_vid_dev_cap cap = scap->cap; |
| 1027 | void *pval = scap->pval.pval; |
| 1028 | |
| 1029 | if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW) |
| 1030 | { |
| 1031 | SDL_SysWMinfo info; |
| 1032 | SDL_VERSION(&info.version); |
| 1033 | |
| 1034 | if (SDL_GetWindowWMInfo(strm->window, &info)) { |
| 1035 | pjmedia_vid_dev_hwnd *wnd = (pjmedia_vid_dev_hwnd *)pval; |
| 1036 | if (0) { } |
| 1037 | #if defined(SDL_VIDEO_DRIVER_WINDOWS) |
| 1038 | else if (info.subsystem == SDL_SYSWM_WINDOWS) { |
| 1039 | wnd->type = PJMEDIA_VID_DEV_HWND_TYPE_WINDOWS; |
| 1040 | wnd->info.win.hwnd = (void *)info.info.win.window; |
| 1041 | } |
| 1042 | #endif |
| 1043 | #if defined(SDL_VIDEO_DRIVER_X11) |
| 1044 | else if (info.subsystem == SDL_SYSWM_X11) { |
| 1045 | wnd->info.x11.window = (void *)info.info.x11.window; |
| 1046 | wnd->info.x11.display = (void *)info.info.x11.display; |
| 1047 | } |
| 1048 | #endif |
| 1049 | #if defined(SDL_VIDEO_DRIVER_COCOA) |
| 1050 | else if (info.subsystem == SDL_SYSWM_COCOA) { |
| 1051 | wnd->info.cocoa.window = (void *)info.info.cocoa.window; |
| 1052 | } |
| 1053 | #endif |
| 1054 | #if defined(SDL_VIDEO_DRIVER_UIKIT) |
| 1055 | else if (info.subsystem == SDL_SYSWM_UIKIT) { |
| 1056 | wnd->info.ios.window = (void *)info.info.uikit.window; |
| 1057 | } |
| 1058 | #endif |
| 1059 | else { |
| 1060 | return PJMEDIA_EVID_INVCAP; |
| 1061 | } |
| 1062 | return PJ_SUCCESS; |
| 1063 | } else |
| 1064 | return PJMEDIA_EVID_INVCAP; |
| 1065 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION) { |
| 1066 | SDL_GetWindowPosition(strm->window, &((pjmedia_coord *)pval)->x, |
| 1067 | &((pjmedia_coord *)pval)->y); |
| 1068 | return PJ_SUCCESS; |
| 1069 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE) { |
| 1070 | SDL_GetWindowSize(strm->window, (int *)&((pjmedia_rect_size *)pval)->w, |
| 1071 | (int *)&((pjmedia_rect_size *)pval)->h); |
| 1072 | return PJ_SUCCESS; |
| 1073 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE) { |
| 1074 | Uint32 flag = SDL_GetWindowFlags(strm->window); |
| 1075 | *((pj_bool_t *)pval) = (flag & SDL_WINDOW_HIDDEN)? PJ_TRUE: PJ_FALSE; |
| 1076 | return PJ_SUCCESS; |
| 1077 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS) { |
| 1078 | Uint32 flag = SDL_GetWindowFlags(strm->window); |
| 1079 | unsigned *wnd_flags = (unsigned *)pval; |
| 1080 | if (!(flag & SDL_WINDOW_BORDERLESS)) |
| 1081 | *wnd_flags |= PJMEDIA_VID_DEV_WND_BORDER; |
| 1082 | if (flag & SDL_WINDOW_RESIZABLE) |
| 1083 | *wnd_flags |= PJMEDIA_VID_DEV_WND_RESIZABLE; |
| 1084 | return PJ_SUCCESS; |
| 1085 | } |
| 1086 | |
| 1087 | return PJMEDIA_EVID_INVCAP; |
| 1088 | } |
| 1089 | |
| 1090 | /* API: get capability */ |
| 1091 | static pj_status_t sdl_stream_get_cap(pjmedia_vid_dev_stream *s, |
| 1092 | pjmedia_vid_dev_cap cap, |
| 1093 | void *pval) |
| 1094 | { |
| 1095 | struct sdl_stream *strm = (struct sdl_stream*)s; |
| 1096 | struct strm_cap scap; |
| 1097 | pj_status_t status; |
| 1098 | |
| 1099 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1100 | |
| 1101 | scap.strm = strm; |
| 1102 | scap.cap = cap; |
| 1103 | scap.pval.pval = pval; |
| 1104 | |
| 1105 | job_queue_post_job(strm->sf->jq, get_cap, &scap, 0, &status); |
| 1106 | |
| 1107 | return status; |
| 1108 | } |
| 1109 | |
| 1110 | static pj_status_t set_cap(void *data) |
| 1111 | { |
| 1112 | struct strm_cap *scap = (struct strm_cap *)data; |
| 1113 | struct sdl_stream *strm = scap->strm; |
| 1114 | pjmedia_vid_dev_cap cap = scap->cap; |
| 1115 | const void *pval = scap->pval.cpval; |
| 1116 | |
| 1117 | if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION) { |
| 1118 | /** |
| 1119 | * Setting window's position when the window is hidden also sets |
| 1120 | * the window's flag to shown (while the window is, actually, |
| 1121 | * still hidden). This causes problems later when setting/querying |
| 1122 | * the window's visibility. |
| 1123 | * See ticket #1429 (http://trac.pjsip.org/repos/ticket/1429) |
| 1124 | */ |
| 1125 | Uint32 flag = SDL_GetWindowFlags(strm->window); |
| 1126 | if (flag & SDL_WINDOW_HIDDEN) |
| 1127 | SDL_ShowWindow(strm->window); |
| 1128 | SDL_SetWindowPosition(strm->window, ((pjmedia_coord *)pval)->x, |
| 1129 | ((pjmedia_coord *)pval)->y); |
| 1130 | if (flag & SDL_WINDOW_HIDDEN) |
| 1131 | SDL_HideWindow(strm->window); |
| 1132 | return PJ_SUCCESS; |
| 1133 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE) { |
| 1134 | if (*(pj_bool_t *)pval) |
| 1135 | SDL_HideWindow(strm->window); |
| 1136 | else |
| 1137 | SDL_ShowWindow(strm->window); |
| 1138 | return PJ_SUCCESS; |
| 1139 | } else if (cap == PJMEDIA_VID_DEV_CAP_FORMAT) { |
| 1140 | pj_status_t status; |
| 1141 | |
| 1142 | status = change_format(strm, (pjmedia_format *)pval); |
| 1143 | if (status != PJ_SUCCESS) { |
| 1144 | pj_status_t status_; |
| 1145 | |
| 1146 | /** |
| 1147 | * Failed to change the output format. Try to revert |
| 1148 | * to its original format. |
| 1149 | */ |
| 1150 | status_ = change_format(strm, &strm->param.fmt); |
| 1151 | if (status_ != PJ_SUCCESS) { |
| 1152 | /** |
| 1153 | * This means that we failed to revert to our |
| 1154 | * original state! |
| 1155 | */ |
| 1156 | status = PJMEDIA_EVID_ERR; |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | return status; |
| 1161 | } else if (cap == PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE) { |
| 1162 | pjmedia_rect_size *new_size = (pjmedia_rect_size *)pval; |
| 1163 | |
| 1164 | SDL_SetWindowSize(strm->window, new_size->w, new_size->h); |
| 1165 | return resize_disp(strm, new_size); |
| 1166 | } |
| 1167 | |
| 1168 | return PJMEDIA_EVID_INVCAP; |
| 1169 | } |
| 1170 | |
| 1171 | /* API: set capability */ |
| 1172 | static pj_status_t sdl_stream_set_cap(pjmedia_vid_dev_stream *s, |
| 1173 | pjmedia_vid_dev_cap cap, |
| 1174 | const void *pval) |
| 1175 | { |
| 1176 | struct sdl_stream *strm = (struct sdl_stream*)s; |
| 1177 | struct strm_cap scap; |
| 1178 | pj_status_t status; |
| 1179 | |
| 1180 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1181 | |
| 1182 | scap.strm = strm; |
| 1183 | scap.cap = cap; |
| 1184 | scap.pval.cpval = pval; |
| 1185 | |
| 1186 | job_queue_post_job(strm->sf->jq, set_cap, &scap, 0, &status); |
| 1187 | |
| 1188 | return status; |
| 1189 | } |
| 1190 | |
| 1191 | /* API: Start stream. */ |
| 1192 | static pj_status_t sdl_stream_start(pjmedia_vid_dev_stream *strm) |
| 1193 | { |
| 1194 | struct sdl_stream *stream = (struct sdl_stream*)strm; |
| 1195 | |
| 1196 | PJ_LOG(4, (THIS_FILE, "Starting sdl video stream")); |
| 1197 | |
| 1198 | stream->is_running = PJ_TRUE; |
| 1199 | |
| 1200 | return PJ_SUCCESS; |
| 1201 | } |
| 1202 | |
| 1203 | |
| 1204 | /* API: Stop stream. */ |
| 1205 | static pj_status_t sdl_stream_stop(pjmedia_vid_dev_stream *strm) |
| 1206 | { |
| 1207 | struct sdl_stream *stream = (struct sdl_stream*)strm; |
| 1208 | |
| 1209 | PJ_LOG(4, (THIS_FILE, "Stopping sdl video stream")); |
| 1210 | |
| 1211 | stream->is_running = PJ_FALSE; |
| 1212 | |
| 1213 | return PJ_SUCCESS; |
| 1214 | } |
| 1215 | |
| 1216 | |
| 1217 | /* API: Destroy stream. */ |
| 1218 | static pj_status_t sdl_stream_destroy(pjmedia_vid_dev_stream *strm) |
| 1219 | { |
| 1220 | struct sdl_stream *stream = (struct sdl_stream*)strm; |
| 1221 | pj_status_t status; |
| 1222 | |
| 1223 | PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| 1224 | |
| 1225 | sdl_stream_stop(strm); |
| 1226 | |
| 1227 | job_queue_post_job(stream->sf->jq, sdl_destroy_all, strm, 0, &status); |
| 1228 | if (status != PJ_SUCCESS) |
| 1229 | return status; |
| 1230 | |
| 1231 | pj_mutex_lock(stream->sf->mutex); |
| 1232 | if (!pj_list_empty(&stream->list_entry)) |
| 1233 | pj_list_erase(&stream->list_entry); |
| 1234 | pj_mutex_unlock(stream->sf->mutex); |
| 1235 | |
| 1236 | pj_pool_release(stream->pool); |
| 1237 | |
| 1238 | return PJ_SUCCESS; |
| 1239 | } |
| 1240 | |
| 1241 | /**************************************************************************** |
| 1242 | * Job queue implementation |
| 1243 | */ |
| 1244 | #if PJ_DARWINOS==0 |
| 1245 | static int job_thread(void * data) |
| 1246 | { |
| 1247 | job_queue *jq = (job_queue *)data; |
| 1248 | |
| 1249 | while (1) { |
| 1250 | job *jb; |
| 1251 | |
| 1252 | /* Wait until there is a job. */ |
| 1253 | pj_sem_wait(jq->sem); |
| 1254 | |
| 1255 | /* Make sure there is no pending jobs before we quit. */ |
| 1256 | if (jq->is_quitting && jq->head == jq->tail && !jq->is_full) |
| 1257 | break; |
| 1258 | |
| 1259 | jb = jq->jobs[jq->head]; |
| 1260 | jb->retval = (*jb->func)(jb->data); |
| 1261 | /* If job queue is full and we already finish all the pending |
| 1262 | * jobs, increase the size. |
| 1263 | */ |
| 1264 | if (jq->is_full && ((jq->head + 1) % jq->size == jq->tail)) { |
| 1265 | unsigned i, head; |
| 1266 | pj_status_t status; |
| 1267 | |
| 1268 | if (jq->old_sem) { |
| 1269 | for (i = 0; i < jq->size / JOB_QUEUE_INC_FACTOR; i++) { |
| 1270 | pj_sem_destroy(jq->old_sem[i]); |
| 1271 | } |
| 1272 | } |
| 1273 | jq->old_sem = jq->job_sem; |
| 1274 | |
| 1275 | /* Double the job queue size. */ |
| 1276 | jq->size *= JOB_QUEUE_INC_FACTOR; |
| 1277 | pj_sem_destroy(jq->sem); |
| 1278 | status = pj_sem_create(jq->pool, "thread_sem", 0, jq->size + 1, |
| 1279 | &jq->sem); |
| 1280 | if (status != PJ_SUCCESS) { |
| 1281 | PJ_LOG(3, (THIS_FILE, "Failed growing SDL job queue size.")); |
| 1282 | return 0; |
| 1283 | } |
| 1284 | jq->jobs = (job **)pj_pool_calloc(jq->pool, jq->size, |
| 1285 | sizeof(job *)); |
| 1286 | jq->job_sem = (pj_sem_t **) pj_pool_calloc(jq->pool, jq->size, |
| 1287 | sizeof(pj_sem_t *)); |
| 1288 | for (i = 0; i < jq->size; i++) { |
| 1289 | status = pj_sem_create(jq->pool, "job_sem", 0, 1, |
| 1290 | &jq->job_sem[i]); |
| 1291 | if (status != PJ_SUCCESS) { |
| 1292 | PJ_LOG(3, (THIS_FILE, "Failed growing SDL job " |
| 1293 | "queue size.")); |
| 1294 | return 0; |
| 1295 | } |
| 1296 | } |
| 1297 | jq->is_full = PJ_FALSE; |
| 1298 | head = jq->head; |
| 1299 | jq->head = jq->tail = 0; |
| 1300 | pj_sem_post(jq->old_sem[head]); |
| 1301 | } else { |
| 1302 | pj_sem_post(jq->job_sem[jq->head]); |
| 1303 | jq->head = (jq->head + 1) % jq->size; |
| 1304 | } |
| 1305 | } |
| 1306 | |
| 1307 | return 0; |
| 1308 | } |
| 1309 | #endif |
| 1310 | |
| 1311 | static pj_status_t job_queue_create(pj_pool_t *pool, job_queue **pjq) |
| 1312 | { |
| 1313 | unsigned i; |
| 1314 | pj_status_t status; |
| 1315 | |
| 1316 | job_queue *jq = PJ_POOL_ZALLOC_T(pool, job_queue); |
| 1317 | jq->pool = pool; |
| 1318 | jq->size = INITIAL_MAX_JOBS; |
| 1319 | status = pj_sem_create(pool, "thread_sem", 0, jq->size + 1, &jq->sem); |
| 1320 | if (status != PJ_SUCCESS) |
| 1321 | goto on_error; |
| 1322 | jq->jobs = (job **)pj_pool_calloc(pool, jq->size, sizeof(job *)); |
| 1323 | jq->job_sem = (pj_sem_t **) pj_pool_calloc(pool, jq->size, |
| 1324 | sizeof(pj_sem_t *)); |
| 1325 | for (i = 0; i < jq->size; i++) { |
| 1326 | status = pj_sem_create(pool, "job_sem", 0, 1, &jq->job_sem[i]); |
| 1327 | if (status != PJ_SUCCESS) |
| 1328 | goto on_error; |
| 1329 | } |
| 1330 | |
| 1331 | status = pj_mutex_create_recursive(pool, "job_mutex", &jq->mutex); |
| 1332 | if (status != PJ_SUCCESS) |
| 1333 | goto on_error; |
| 1334 | |
| 1335 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 1336 | PJ_UNUSED_ARG(status); |
| 1337 | #else |
| 1338 | status = pj_thread_create(pool, "job_th", job_thread, jq, 0, 0, |
| 1339 | &jq->thread); |
| 1340 | if (status != PJ_SUCCESS) |
| 1341 | goto on_error; |
| 1342 | #endif /* PJ_DARWINOS */ |
| 1343 | |
| 1344 | *pjq = jq; |
| 1345 | return PJ_SUCCESS; |
| 1346 | |
| 1347 | on_error: |
| 1348 | job_queue_destroy(jq); |
| 1349 | return status; |
| 1350 | } |
| 1351 | |
| 1352 | static pj_status_t job_queue_post_job(job_queue *jq, job_func_ptr func, |
| 1353 | void *data, unsigned flags, |
| 1354 | pj_status_t *retval) |
| 1355 | { |
| 1356 | job jb; |
| 1357 | int tail; |
| 1358 | |
| 1359 | if (jq->is_quitting) |
| 1360 | return PJ_EBUSY; |
| 1361 | |
| 1362 | jb.func = func; |
| 1363 | jb.data = data; |
| 1364 | jb.flags = flags; |
| 1365 | |
| 1366 | #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| 1367 | PJ_UNUSED_ARG(tail); |
| 1368 | NSAutoreleasePool *apool = [[NSAutoreleasePool alloc]init]; |
| 1369 | JQDelegate *jqd = [[JQDelegate alloc]init]; |
| 1370 | jqd->pjob = &jb; |
| 1371 | [jqd performSelectorOnMainThread:@selector(run_job) |
| 1372 | withObject:nil waitUntilDone:YES]; |
| 1373 | [jqd release]; |
| 1374 | [apool release]; |
| 1375 | #else /* PJ_DARWINOS */ |
| 1376 | pj_mutex_lock(jq->mutex); |
| 1377 | jq->jobs[jq->tail] = &jb; |
| 1378 | tail = jq->tail; |
| 1379 | jq->tail = (jq->tail + 1) % jq->size; |
| 1380 | if (jq->tail == jq->head) { |
| 1381 | jq->is_full = PJ_TRUE; |
| 1382 | PJ_LOG(4, (THIS_FILE, "SDL job queue is full, increasing " |
| 1383 | "the queue size.")); |
| 1384 | pj_sem_post(jq->sem); |
| 1385 | /* Wait until our posted job is completed. */ |
| 1386 | pj_sem_wait(jq->job_sem[tail]); |
| 1387 | pj_mutex_unlock(jq->mutex); |
| 1388 | } else { |
| 1389 | pj_mutex_unlock(jq->mutex); |
| 1390 | pj_sem_post(jq->sem); |
| 1391 | /* Wait until our posted job is completed. */ |
| 1392 | pj_sem_wait(jq->job_sem[tail]); |
| 1393 | } |
| 1394 | #endif /* PJ_DARWINOS */ |
| 1395 | |
| 1396 | *retval = jb.retval; |
| 1397 | |
| 1398 | return PJ_SUCCESS; |
| 1399 | } |
| 1400 | |
| 1401 | static pj_status_t job_queue_destroy(job_queue *jq) |
| 1402 | { |
| 1403 | unsigned i; |
| 1404 | |
| 1405 | jq->is_quitting = PJ_TRUE; |
| 1406 | |
| 1407 | if (jq->thread) { |
| 1408 | pj_sem_post(jq->sem); |
| 1409 | pj_thread_join(jq->thread); |
| 1410 | pj_thread_destroy(jq->thread); |
| 1411 | } |
| 1412 | |
| 1413 | if (jq->sem) { |
| 1414 | pj_sem_destroy(jq->sem); |
| 1415 | jq->sem = NULL; |
| 1416 | } |
| 1417 | for (i = 0; i < jq->size; i++) { |
| 1418 | if (jq->job_sem[i]) { |
| 1419 | pj_sem_destroy(jq->job_sem[i]); |
| 1420 | jq->job_sem[i] = NULL; |
| 1421 | } |
| 1422 | } |
| 1423 | if (jq->old_sem) { |
| 1424 | for (i = 0; i < jq->size / JOB_QUEUE_INC_FACTOR; i++) { |
| 1425 | if (jq->old_sem[i]) { |
| 1426 | pj_sem_destroy(jq->old_sem[i]); |
| 1427 | jq->old_sem[i] = NULL; |
| 1428 | } |
| 1429 | } |
| 1430 | } |
| 1431 | if (jq->mutex) { |
| 1432 | pj_mutex_destroy(jq->mutex); |
| 1433 | jq->mutex = NULL; |
| 1434 | } |
| 1435 | |
| 1436 | return PJ_SUCCESS; |
| 1437 | } |
| 1438 | |
| 1439 | #ifdef _MSC_VER |
| 1440 | # if defined(PJMEDIA_SDL_LIB) |
| 1441 | # pragma comment( lib, PJMEDIA_SDL_LIB) |
| 1442 | # elif SDL_VERSION_ATLEAST(2,0,0) |
| 1443 | # pragma comment( lib, "sdl2.lib") |
| 1444 | # elif SDL_VERSION_ATLEAST(1,3,0) |
| 1445 | # pragma comment( lib, "sdl.lib") |
| 1446 | # endif |
| 1447 | # if PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL |
| 1448 | # pragma comment(lib, "OpenGL32.lib") |
| 1449 | # endif /* PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL */ |
| 1450 | #endif /* _MSC_VER */ |
| 1451 | |
| 1452 | |
| 1453 | #endif /* PJMEDIA_VIDEO_DEV_HAS_SDL */ |