Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * |
| 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 | |
| 20 | /* Video device with ffmpeg backend, currently only capture devices are |
| 21 | * implemented. |
| 22 | * |
| 23 | * Issues: |
| 24 | * - no device enumeration (ffmpeg limitation), so this uses "host API" enum |
| 25 | * instead |
| 26 | * - need stricter filter on "host API" enum, currently audio capture devs are |
| 27 | * still listed. |
| 28 | * - no format enumeration, currently hardcoded to PJMEDIA_FORMAT_RGB24 only |
| 29 | * - tested on Vista only (vfw backend) with virtual cam |
| 30 | * - vfw backend produce bottom up pictures |
| 31 | * - using VS IDE, this cannot run under debugger! |
| 32 | */ |
| 33 | |
| 34 | #include <pjmedia-videodev/videodev_imp.h> |
| 35 | #include <pj/assert.h> |
| 36 | #include <pj/log.h> |
| 37 | #include <pj/os.h> |
| 38 | #include <pj/unicode.h> |
| 39 | |
| 40 | |
| 41 | #if defined(PJMEDIA_VIDEO_DEV_HAS_FFMPEG) && PJMEDIA_VIDEO_DEV_HAS_FFMPEG != 0 |
| 42 | |
| 43 | |
| 44 | #define THIS_FILE "ffmpeg.c" |
| 45 | |
| 46 | #include "../pjmedia/ffmpeg_util.h" |
| 47 | #include <libavdevice/avdevice.h> |
| 48 | #include <libavformat/avformat.h> |
| 49 | |
| 50 | #define MAX_DEV_CNT 8 |
| 51 | |
| 52 | typedef struct ffmpeg_dev_info |
| 53 | { |
| 54 | pjmedia_vid_dev_info base; |
| 55 | AVInputFormat *host_api; |
| 56 | const char *def_devname; |
| 57 | } ffmpeg_dev_info; |
| 58 | |
| 59 | |
| 60 | typedef struct ffmpeg_factory |
| 61 | { |
| 62 | pjmedia_vid_dev_factory base; |
| 63 | pj_pool_factory *pf; |
| 64 | pj_pool_t *pool; |
| 65 | pj_pool_t *dev_pool; |
| 66 | unsigned dev_count; |
| 67 | ffmpeg_dev_info dev_info[MAX_DEV_CNT]; |
| 68 | } ffmpeg_factory; |
| 69 | |
| 70 | |
| 71 | typedef struct ffmpeg_stream |
| 72 | { |
| 73 | pjmedia_vid_dev_stream base; |
| 74 | ffmpeg_factory *factory; |
| 75 | pj_pool_t *pool; |
| 76 | pjmedia_vid_dev_param param; |
| 77 | AVFormatContext *ff_fmt_ctx; |
| 78 | } ffmpeg_stream; |
| 79 | |
| 80 | |
| 81 | /* Prototypes */ |
| 82 | static pj_status_t ffmpeg_factory_init(pjmedia_vid_dev_factory *f); |
| 83 | static pj_status_t ffmpeg_factory_destroy(pjmedia_vid_dev_factory *f); |
| 84 | static pj_status_t ffmpeg_factory_refresh(pjmedia_vid_dev_factory *f); |
| 85 | static unsigned ffmpeg_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| 86 | static pj_status_t ffmpeg_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 87 | unsigned index, |
| 88 | pjmedia_vid_dev_info *info); |
| 89 | static pj_status_t ffmpeg_factory_default_param(pj_pool_t *pool, |
| 90 | pjmedia_vid_dev_factory *f, |
| 91 | unsigned index, |
| 92 | pjmedia_vid_dev_param *param); |
| 93 | static pj_status_t ffmpeg_factory_create_stream( |
| 94 | pjmedia_vid_dev_factory *f, |
| 95 | pjmedia_vid_dev_param *param, |
| 96 | const pjmedia_vid_dev_cb *cb, |
| 97 | void *user_data, |
| 98 | pjmedia_vid_dev_stream **p_vid_strm); |
| 99 | |
| 100 | static pj_status_t ffmpeg_stream_get_param(pjmedia_vid_dev_stream *strm, |
| 101 | pjmedia_vid_dev_param *param); |
| 102 | static pj_status_t ffmpeg_stream_get_cap(pjmedia_vid_dev_stream *strm, |
| 103 | pjmedia_vid_dev_cap cap, |
| 104 | void *value); |
| 105 | static pj_status_t ffmpeg_stream_set_cap(pjmedia_vid_dev_stream *strm, |
| 106 | pjmedia_vid_dev_cap cap, |
| 107 | const void *value); |
| 108 | static pj_status_t ffmpeg_stream_start(pjmedia_vid_dev_stream *strm); |
| 109 | static pj_status_t ffmpeg_stream_get_frame(pjmedia_vid_dev_stream *s, |
| 110 | pjmedia_frame *frame); |
| 111 | static pj_status_t ffmpeg_stream_stop(pjmedia_vid_dev_stream *strm); |
| 112 | static pj_status_t ffmpeg_stream_destroy(pjmedia_vid_dev_stream *strm); |
| 113 | |
| 114 | /* Operations */ |
| 115 | static pjmedia_vid_dev_factory_op factory_op = |
| 116 | { |
| 117 | &ffmpeg_factory_init, |
| 118 | &ffmpeg_factory_destroy, |
| 119 | &ffmpeg_factory_get_dev_count, |
| 120 | &ffmpeg_factory_get_dev_info, |
| 121 | &ffmpeg_factory_default_param, |
| 122 | &ffmpeg_factory_create_stream, |
| 123 | &ffmpeg_factory_refresh |
| 124 | }; |
| 125 | |
| 126 | static pjmedia_vid_dev_stream_op stream_op = |
| 127 | { |
| 128 | &ffmpeg_stream_get_param, |
| 129 | &ffmpeg_stream_get_cap, |
| 130 | &ffmpeg_stream_set_cap, |
| 131 | &ffmpeg_stream_start, |
| 132 | &ffmpeg_stream_get_frame, |
| 133 | NULL, |
| 134 | &ffmpeg_stream_stop, |
| 135 | &ffmpeg_stream_destroy |
| 136 | }; |
| 137 | |
| 138 | |
| 139 | static void print_ffmpeg_err(int err) |
| 140 | { |
| 141 | char errbuf[512]; |
| 142 | if (av_strerror(err, errbuf, sizeof(errbuf)) >= 0) |
| 143 | PJ_LOG(1, (THIS_FILE, "ffmpeg err %d: %s", err, errbuf)); |
| 144 | |
| 145 | } |
| 146 | |
| 147 | static void print_ffmpeg_log(void* ptr, int level, const char* fmt, va_list vl) |
| 148 | { |
| 149 | PJ_UNUSED_ARG(ptr); |
| 150 | PJ_UNUSED_ARG(level); |
| 151 | vfprintf(stdout, fmt, vl); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | static pj_status_t ffmpeg_capture_open(AVFormatContext **ctx, |
| 156 | AVInputFormat *ifmt, |
| 157 | const char *dev_name, |
| 158 | const pjmedia_vid_dev_param *param) |
| 159 | { |
| 160 | AVFormatParameters fp; |
| 161 | pjmedia_video_format_detail *vfd; |
| 162 | int err; |
| 163 | |
| 164 | PJ_ASSERT_RETURN(ctx && ifmt && dev_name && param, PJ_EINVAL); |
| 165 | PJ_ASSERT_RETURN(param->fmt.detail_type == PJMEDIA_FORMAT_DETAIL_VIDEO, |
| 166 | PJ_EINVAL); |
| 167 | |
| 168 | vfd = pjmedia_format_get_video_format_detail(¶m->fmt, PJ_TRUE); |
| 169 | |
| 170 | /* Init ffmpeg format context */ |
| 171 | *ctx = avformat_alloc_context(); |
| 172 | |
| 173 | /* Init ffmpeg format param */ |
| 174 | pj_bzero(&fp, sizeof(fp)); |
| 175 | fp.prealloced_context = 1; |
| 176 | fp.width = vfd->size.w; |
| 177 | fp.height = vfd->size.h; |
| 178 | fp.pix_fmt = PIX_FMT_BGR24; |
| 179 | fp.time_base.num = vfd->fps.denum; |
| 180 | fp.time_base.den = vfd->fps.num; |
| 181 | |
| 182 | /* Open capture stream */ |
| 183 | err = av_open_input_stream(ctx, NULL, dev_name, ifmt, &fp); |
| 184 | if (err < 0) { |
| 185 | *ctx = NULL; /* ffmpeg freed its states on failure, do we must too */ |
| 186 | print_ffmpeg_err(err); |
| 187 | return PJ_EUNKNOWN; |
| 188 | } |
| 189 | |
| 190 | return PJ_SUCCESS; |
| 191 | } |
| 192 | |
| 193 | static void ffmpeg_capture_close(AVFormatContext *ctx) |
| 194 | { |
| 195 | if (ctx) |
| 196 | av_close_input_stream(ctx); |
| 197 | } |
| 198 | |
| 199 | |
| 200 | /**************************************************************************** |
| 201 | * Factory operations |
| 202 | */ |
| 203 | /* |
| 204 | * Init ffmpeg_ video driver. |
| 205 | */ |
| 206 | pjmedia_vid_dev_factory* pjmedia_ffmpeg_factory(pj_pool_factory *pf) |
| 207 | { |
| 208 | ffmpeg_factory *f; |
| 209 | pj_pool_t *pool; |
| 210 | |
| 211 | pool = pj_pool_create(pf, "ffmpeg_cap_dev", 1000, 1000, NULL); |
| 212 | f = PJ_POOL_ZALLOC_T(pool, ffmpeg_factory); |
| 213 | |
| 214 | f->pool = pool; |
| 215 | f->pf = pf; |
| 216 | f->base.op = &factory_op; |
| 217 | |
| 218 | avdevice_register_all(); |
| 219 | |
| 220 | return &f->base; |
| 221 | } |
| 222 | |
| 223 | |
| 224 | /* API: init factory */ |
| 225 | static pj_status_t ffmpeg_factory_init(pjmedia_vid_dev_factory *f) |
| 226 | { |
| 227 | return ffmpeg_factory_refresh(f); |
| 228 | } |
| 229 | |
| 230 | /* API: destroy factory */ |
| 231 | static pj_status_t ffmpeg_factory_destroy(pjmedia_vid_dev_factory *f) |
| 232 | { |
| 233 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 234 | pj_pool_t *pool = ff->pool; |
| 235 | |
| 236 | ff->dev_count = 0; |
| 237 | ff->pool = NULL; |
| 238 | if (ff->dev_pool) |
| 239 | pj_pool_release(ff->dev_pool); |
| 240 | if (pool) |
| 241 | pj_pool_release(pool); |
| 242 | |
| 243 | return PJ_SUCCESS; |
| 244 | } |
| 245 | |
| 246 | /* API: refresh the list of devices */ |
| 247 | static pj_status_t ffmpeg_factory_refresh(pjmedia_vid_dev_factory *f) |
| 248 | { |
| 249 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 250 | AVInputFormat *p; |
| 251 | ffmpeg_dev_info *info; |
| 252 | |
| 253 | av_log_set_callback(&print_ffmpeg_log); |
| 254 | av_log_set_level(AV_LOG_DEBUG); |
| 255 | |
| 256 | if (ff->dev_pool) { |
| 257 | pj_pool_release(ff->dev_pool); |
| 258 | ff->dev_pool = NULL; |
| 259 | } |
| 260 | |
| 261 | /* TODO: this should enumerate devices, now it enumerates host APIs */ |
| 262 | ff->dev_count = 0; |
| 263 | ff->dev_pool = pj_pool_create(ff->pf, "ffmpeg_cap_dev", 500, 500, NULL); |
| 264 | |
| 265 | p = av_iformat_next(NULL); |
| 266 | while (p) { |
| 267 | if (p->flags & AVFMT_NOFILE) { |
| 268 | unsigned i; |
| 269 | |
| 270 | info = &ff->dev_info[ff->dev_count++]; |
| 271 | pj_bzero(info, sizeof(*info)); |
| 272 | pj_ansi_strncpy(info->base.name, "default", |
| 273 | sizeof(info->base.name)); |
| 274 | pj_ansi_snprintf(info->base.driver, sizeof(info->base.driver), |
| 275 | "%s (ffmpeg)", p->name); |
| 276 | info->base.dir = PJMEDIA_DIR_CAPTURE; |
| 277 | info->base.has_callback = PJ_FALSE; |
| 278 | |
| 279 | info->host_api = p; |
| 280 | |
| 281 | #if (defined(PJ_WIN32) && PJ_WIN32!=0) || \ |
| 282 | (defined(PJ_WIN64) && PJ_WIN64!=0) |
| 283 | info->def_devname = "0"; |
| 284 | #elif defined(PJ_LINUX) && PJ_LINUX!=0 |
| 285 | info->def_devname = "/dev/video0"; |
| 286 | #endif |
| 287 | |
| 288 | /* Set supported formats, currently hardcoded to RGB24 only */ |
| 289 | info->base.caps = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 290 | info->base.fmt_cnt = 1; |
| 291 | for (i = 0; i < info->base.fmt_cnt; ++i) { |
| 292 | pjmedia_format *fmt = &info->base.fmt[i]; |
| 293 | |
| 294 | fmt->id = PJMEDIA_FORMAT_RGB24; |
| 295 | fmt->type = PJMEDIA_TYPE_VIDEO; |
| 296 | fmt->detail_type = PJMEDIA_FORMAT_DETAIL_NONE; |
| 297 | } |
| 298 | } |
| 299 | p = av_iformat_next(p); |
| 300 | } |
| 301 | |
| 302 | return PJ_SUCCESS; |
| 303 | } |
| 304 | |
| 305 | /* API: get number of devices */ |
| 306 | static unsigned ffmpeg_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| 307 | { |
| 308 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 309 | return ff->dev_count; |
| 310 | } |
| 311 | |
| 312 | /* API: get device info */ |
| 313 | static pj_status_t ffmpeg_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 314 | unsigned index, |
| 315 | pjmedia_vid_dev_info *info) |
| 316 | { |
| 317 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 318 | |
| 319 | PJ_ASSERT_RETURN(index < ff->dev_count, PJMEDIA_EVID_INVDEV); |
| 320 | |
| 321 | pj_memcpy(info, &ff->dev_info[index].base, sizeof(*info)); |
| 322 | |
| 323 | return PJ_SUCCESS; |
| 324 | } |
| 325 | |
| 326 | /* API: create default device parameter */ |
| 327 | static pj_status_t ffmpeg_factory_default_param(pj_pool_t *pool, |
| 328 | pjmedia_vid_dev_factory *f, |
| 329 | unsigned index, |
| 330 | pjmedia_vid_dev_param *param) |
| 331 | { |
| 332 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 333 | ffmpeg_dev_info *info; |
| 334 | |
| 335 | PJ_ASSERT_RETURN(index < ff->dev_count, PJMEDIA_EVID_INVDEV); |
| 336 | |
| 337 | PJ_UNUSED_ARG(pool); |
| 338 | |
| 339 | info = &ff->dev_info[index]; |
| 340 | |
| 341 | pj_bzero(param, sizeof(*param)); |
| 342 | param->dir = PJMEDIA_DIR_CAPTURE; |
| 343 | param->cap_id = index; |
| 344 | param->rend_id = PJMEDIA_VID_INVALID_DEV; |
| 345 | param->clock_rate = 0; |
| 346 | |
| 347 | /* Set the device capabilities here */ |
| 348 | param->flags = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 349 | param->clock_rate = 90000; |
| 350 | pjmedia_format_init_video(¶m->fmt, 0, 320, 240, 25, 1); |
| 351 | param->fmt.id = info->base.fmt[0].id; |
| 352 | |
| 353 | return PJ_SUCCESS; |
| 354 | } |
| 355 | |
| 356 | |
| 357 | |
| 358 | /* API: create stream */ |
| 359 | static pj_status_t ffmpeg_factory_create_stream( |
| 360 | pjmedia_vid_dev_factory *f, |
| 361 | pjmedia_vid_dev_param *param, |
| 362 | const pjmedia_vid_dev_cb *cb, |
| 363 | void *user_data, |
| 364 | pjmedia_vid_dev_stream **p_vid_strm) |
| 365 | { |
| 366 | ffmpeg_factory *ff = (ffmpeg_factory*)f; |
| 367 | pj_pool_t *pool; |
| 368 | ffmpeg_stream *strm; |
| 369 | |
| 370 | PJ_ASSERT_RETURN(f && param && p_vid_strm, PJ_EINVAL); |
| 371 | PJ_ASSERT_RETURN(param->dir == PJMEDIA_DIR_CAPTURE, PJ_EINVAL); |
| 372 | PJ_ASSERT_RETURN((unsigned)param->cap_id < ff->dev_count, PJ_EINVAL); |
| 373 | PJ_ASSERT_RETURN(param->fmt.detail_type == PJMEDIA_FORMAT_DETAIL_VIDEO, |
| 374 | PJ_EINVAL); |
| 375 | |
| 376 | PJ_UNUSED_ARG(cb); |
| 377 | PJ_UNUSED_ARG(user_data); |
| 378 | |
| 379 | /* Create and Initialize stream descriptor */ |
| 380 | pool = pj_pool_create(ff->pf, "ffmpeg-dev", 1000, 1000, NULL); |
| 381 | PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| 382 | |
| 383 | strm = PJ_POOL_ZALLOC_T(pool, struct ffmpeg_stream); |
| 384 | strm->factory = (ffmpeg_factory*)f; |
| 385 | strm->pool = pool; |
| 386 | pj_memcpy(&strm->param, param, sizeof(*param)); |
| 387 | |
| 388 | /* Done */ |
| 389 | strm->base.op = &stream_op; |
| 390 | *p_vid_strm = &strm->base; |
| 391 | |
| 392 | return PJ_SUCCESS; |
| 393 | } |
| 394 | |
| 395 | /* API: Get stream info. */ |
| 396 | static pj_status_t ffmpeg_stream_get_param(pjmedia_vid_dev_stream *s, |
| 397 | pjmedia_vid_dev_param *pi) |
| 398 | { |
| 399 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 400 | |
| 401 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 402 | |
| 403 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 404 | |
| 405 | return PJ_SUCCESS; |
| 406 | } |
| 407 | |
| 408 | /* API: get capability */ |
| 409 | static pj_status_t ffmpeg_stream_get_cap(pjmedia_vid_dev_stream *s, |
| 410 | pjmedia_vid_dev_cap cap, |
| 411 | void *pval) |
| 412 | { |
| 413 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 414 | |
| 415 | PJ_UNUSED_ARG(strm); |
| 416 | PJ_UNUSED_ARG(cap); |
| 417 | PJ_UNUSED_ARG(pval); |
| 418 | |
| 419 | return PJMEDIA_EVID_INVCAP; |
| 420 | } |
| 421 | |
| 422 | /* API: set capability */ |
| 423 | static pj_status_t ffmpeg_stream_set_cap(pjmedia_vid_dev_stream *s, |
| 424 | pjmedia_vid_dev_cap cap, |
| 425 | const void *pval) |
| 426 | { |
| 427 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 428 | |
| 429 | PJ_UNUSED_ARG(strm); |
| 430 | PJ_UNUSED_ARG(cap); |
| 431 | PJ_UNUSED_ARG(pval); |
| 432 | |
| 433 | return PJMEDIA_EVID_INVCAP; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | /* API: Start stream. */ |
| 438 | static pj_status_t ffmpeg_stream_start(pjmedia_vid_dev_stream *s) |
| 439 | { |
| 440 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 441 | ffmpeg_dev_info *info; |
| 442 | pj_status_t status; |
| 443 | |
| 444 | info = &strm->factory->dev_info[strm->param.cap_id]; |
| 445 | |
| 446 | PJ_LOG(4, (THIS_FILE, "Starting ffmpeg capture stream")); |
| 447 | |
| 448 | status = ffmpeg_capture_open(&strm->ff_fmt_ctx, info->host_api, |
| 449 | info->def_devname, &strm->param); |
| 450 | if (status != PJ_SUCCESS) { |
| 451 | /* must set ffmpeg states to NULL on any failure */ |
| 452 | strm->ff_fmt_ctx = NULL; |
| 453 | } |
| 454 | |
| 455 | return status; |
| 456 | } |
| 457 | |
| 458 | |
| 459 | /* API: Get frame from stream */ |
| 460 | static pj_status_t ffmpeg_stream_get_frame(pjmedia_vid_dev_stream *s, |
| 461 | pjmedia_frame *frame) |
| 462 | { |
| 463 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 464 | AVPacket p; |
| 465 | int err; |
| 466 | |
| 467 | err = av_read_frame(strm->ff_fmt_ctx, &p); |
| 468 | if (err < 0) { |
| 469 | print_ffmpeg_err(err); |
| 470 | return PJ_EUNKNOWN; |
| 471 | } |
| 472 | |
| 473 | pj_bzero(frame, sizeof(*frame)); |
| 474 | frame->type = PJMEDIA_FRAME_TYPE_VIDEO; |
| 475 | frame->buf = p.data; |
| 476 | frame->size = p.size; |
| 477 | |
| 478 | return PJ_SUCCESS; |
| 479 | } |
| 480 | |
| 481 | |
| 482 | /* API: Stop stream. */ |
| 483 | static pj_status_t ffmpeg_stream_stop(pjmedia_vid_dev_stream *s) |
| 484 | { |
| 485 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 486 | |
| 487 | PJ_LOG(4, (THIS_FILE, "Stopping ffmpeg capture stream")); |
| 488 | |
| 489 | ffmpeg_capture_close(strm->ff_fmt_ctx); |
| 490 | strm->ff_fmt_ctx = NULL; |
| 491 | |
| 492 | return PJ_SUCCESS; |
| 493 | } |
| 494 | |
| 495 | |
| 496 | /* API: Destroy stream. */ |
| 497 | static pj_status_t ffmpeg_stream_destroy(pjmedia_vid_dev_stream *s) |
| 498 | { |
| 499 | ffmpeg_stream *strm = (ffmpeg_stream*)s; |
| 500 | |
| 501 | PJ_ASSERT_RETURN(strm != NULL, PJ_EINVAL); |
| 502 | |
| 503 | ffmpeg_stream_stop(s); |
| 504 | |
| 505 | pj_pool_release(strm->pool); |
| 506 | |
| 507 | return PJ_SUCCESS; |
| 508 | } |
| 509 | |
| 510 | #ifdef _MSC_VER |
| 511 | # pragma comment( lib, "avdevice.lib") |
| 512 | # pragma comment( lib, "avformat.lib") |
| 513 | # pragma comment( lib, "avutil.lib") |
| 514 | #endif |
| 515 | |
| 516 | |
| 517 | #endif /* PJMEDIA_VIDEO_DEV_HAS_FFMPEG */ |