Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2010 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 | #include <pj/unicode.h> |
| 24 | |
| 25 | #if PJMEDIA_VIDEO_DEV_HAS_DSHOW |
| 26 | |
| 27 | #ifdef _MSC_VER |
| 28 | # pragma warning(push, 3) |
| 29 | #endif |
| 30 | |
| 31 | #include <windows.h> |
| 32 | #define COBJMACROS |
| 33 | #include <DShow.h> |
| 34 | |
| 35 | #ifdef _MSC_VER |
| 36 | # pragma warning(pop) |
| 37 | #endif |
| 38 | |
| 39 | #pragma comment(lib, "Strmiids.lib") |
| 40 | #pragma comment(lib, "Rpcrt4.lib") |
| 41 | |
| 42 | #define THIS_FILE "dshow_dev.c" |
Sauw Ming | 8e79912 | 2010-12-30 16:31:16 +0000 | [diff] [blame] | 43 | #define DEFAULT_CLOCK_RATE 90000 |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 44 | #define DEFAULT_WIDTH 640 |
| 45 | #define DEFAULT_HEIGHT 480 |
| 46 | #define DEFAULT_FPS 25 |
| 47 | |
| 48 | typedef void (*input_callback)(void *user_data, IMediaSample *pMediaSample); |
| 49 | typedef struct NullRenderer NullRenderer; |
| 50 | IBaseFilter* NullRenderer_Create(input_callback input_cb, |
| 51 | void *user_data); |
| 52 | typedef struct SourceFilter SourceFilter; |
| 53 | IBaseFilter* SourceFilter_Create(SourceFilter **pSrc); |
| 54 | HRESULT SourceFilter_Deliver(SourceFilter *src, void *buf, long size); |
| 55 | void SourceFilter_SetBufferSize(SourceFilter *src, long size); |
| 56 | |
| 57 | typedef struct dshow_fmt_info |
| 58 | { |
| 59 | pjmedia_format_id pjmedia_format; |
| 60 | const GUID *dshow_format; |
| 61 | } dshow_fmt_info; |
| 62 | |
| 63 | static dshow_fmt_info dshow_fmts[] = |
| 64 | { |
| 65 | {PJMEDIA_FORMAT_YUY2, &MEDIASUBTYPE_YUY2} , |
| 66 | {PJMEDIA_FORMAT_RGB24, &MEDIASUBTYPE_RGB24} , |
| 67 | {PJMEDIA_FORMAT_RGB32, &MEDIASUBTYPE_RGB32} , |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 68 | //{PJMEDIA_FORMAT_IYUV, &MEDIASUBTYPE_IYUV} , |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | /* dshow_ device info */ |
| 72 | struct dshow_dev_info |
| 73 | { |
| 74 | pjmedia_vid_dev_info info; |
| 75 | unsigned dev_id; |
| 76 | WCHAR display_name[192]; |
| 77 | }; |
| 78 | |
| 79 | /* dshow_ factory */ |
| 80 | struct dshow_factory |
| 81 | { |
| 82 | pjmedia_vid_dev_factory base; |
| 83 | pj_pool_t *pool; |
| 84 | pj_pool_factory *pf; |
| 85 | |
| 86 | unsigned dev_count; |
| 87 | struct dshow_dev_info *dev_info; |
| 88 | }; |
| 89 | |
| 90 | /* Video stream. */ |
| 91 | struct dshow_stream |
| 92 | { |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 93 | pjmedia_vid_dev_stream base; /**< Base stream */ |
| 94 | pjmedia_vid_param param; /**< Settings */ |
| 95 | pj_pool_t *pool; /**< Memory pool. */ |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 96 | |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 97 | pjmedia_vid_cb vid_cb; /**< Stream callback. */ |
| 98 | void *user_data; /**< Application data. */ |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 99 | |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 100 | pj_bool_t quit_flag; |
| 101 | pj_bool_t rend_thread_exited; |
| 102 | pj_bool_t cap_thread_exited; |
| 103 | pj_bool_t cap_thread_initialized; |
| 104 | pj_thread_desc cap_thread_desc; |
| 105 | pj_thread_t *cap_thread; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 106 | |
| 107 | struct dshow_graph |
| 108 | { |
| 109 | IFilterGraph *filter_graph; |
| 110 | IMediaFilter *media_filter; |
| 111 | SourceFilter *csource_filter; |
| 112 | IBaseFilter *source_filter; |
| 113 | IBaseFilter *rend_filter; |
| 114 | AM_MEDIA_TYPE *mediatype; |
| 115 | } dgraph[2]; |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 116 | |
| 117 | pj_timestamp cap_ts; |
| 118 | unsigned cap_ts_inc; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 119 | }; |
| 120 | |
| 121 | |
| 122 | /* Prototypes */ |
| 123 | static pj_status_t dshow_factory_init(pjmedia_vid_dev_factory *f); |
| 124 | static pj_status_t dshow_factory_destroy(pjmedia_vid_dev_factory *f); |
| 125 | static unsigned dshow_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| 126 | static pj_status_t dshow_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 127 | unsigned index, |
| 128 | pjmedia_vid_dev_info *info); |
| 129 | static pj_status_t dshow_factory_default_param(pj_pool_t *pool, |
| 130 | pjmedia_vid_dev_factory *f, |
| 131 | unsigned index, |
| 132 | pjmedia_vid_param *param); |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 133 | static pj_status_t dshow_factory_create_stream( |
| 134 | pjmedia_vid_dev_factory *f, |
Benny Prijono | e9f70d8 | 2011-03-25 08:38:26 +0000 | [diff] [blame] | 135 | pjmedia_vid_param *param, |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 136 | const pjmedia_vid_cb *cb, |
| 137 | void *user_data, |
| 138 | pjmedia_vid_dev_stream **p_vid_strm); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 139 | |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 140 | static pj_status_t dshow_stream_get_param(pjmedia_vid_dev_stream *strm, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 141 | pjmedia_vid_param *param); |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 142 | static pj_status_t dshow_stream_get_cap(pjmedia_vid_dev_stream *strm, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 143 | pjmedia_vid_dev_cap cap, |
| 144 | void *value); |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 145 | static pj_status_t dshow_stream_set_cap(pjmedia_vid_dev_stream *strm, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 146 | pjmedia_vid_dev_cap cap, |
| 147 | const void *value); |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 148 | static pj_status_t dshow_stream_start(pjmedia_vid_dev_stream *strm); |
| 149 | static pj_status_t dshow_stream_put_frame(pjmedia_vid_dev_stream *strm, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 150 | const pjmedia_frame *frame); |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 151 | static pj_status_t dshow_stream_stop(pjmedia_vid_dev_stream *strm); |
| 152 | static pj_status_t dshow_stream_destroy(pjmedia_vid_dev_stream *strm); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 153 | |
| 154 | /* Operations */ |
| 155 | static pjmedia_vid_dev_factory_op factory_op = |
| 156 | { |
| 157 | &dshow_factory_init, |
| 158 | &dshow_factory_destroy, |
| 159 | &dshow_factory_get_dev_count, |
| 160 | &dshow_factory_get_dev_info, |
| 161 | &dshow_factory_default_param, |
| 162 | &dshow_factory_create_stream |
| 163 | }; |
| 164 | |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 165 | static pjmedia_vid_dev_stream_op stream_op = |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 166 | { |
| 167 | &dshow_stream_get_param, |
| 168 | &dshow_stream_get_cap, |
| 169 | &dshow_stream_set_cap, |
| 170 | &dshow_stream_start, |
| 171 | NULL, |
| 172 | &dshow_stream_put_frame, |
| 173 | &dshow_stream_stop, |
| 174 | &dshow_stream_destroy |
| 175 | }; |
| 176 | |
| 177 | |
| 178 | /**************************************************************************** |
| 179 | * Factory operations |
| 180 | */ |
| 181 | /* |
| 182 | * Init dshow_ video driver. |
| 183 | */ |
| 184 | pjmedia_vid_dev_factory* pjmedia_dshow_factory(pj_pool_factory *pf) |
| 185 | { |
| 186 | struct dshow_factory *f; |
| 187 | pj_pool_t *pool; |
| 188 | |
| 189 | pool = pj_pool_create(pf, "dshow video", 1000, 1000, NULL); |
| 190 | f = PJ_POOL_ZALLOC_T(pool, struct dshow_factory); |
| 191 | f->pf = pf; |
| 192 | f->pool = pool; |
| 193 | f->base.op = &factory_op; |
| 194 | |
| 195 | return &f->base; |
| 196 | } |
| 197 | |
| 198 | /* API: init factory */ |
| 199 | static pj_status_t dshow_factory_init(pjmedia_vid_dev_factory *f) |
| 200 | { |
| 201 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 202 | struct dshow_dev_info *ddi; |
| 203 | int dev_count = 0; |
| 204 | unsigned c, i; |
| 205 | ICreateDevEnum *dev_enum = NULL; |
| 206 | IEnumMoniker *enum_cat = NULL; |
| 207 | IMoniker *moniker = NULL; |
| 208 | HRESULT hr; |
| 209 | ULONG fetched; |
| 210 | |
| 211 | df->dev_count = 0; |
| 212 | |
| 213 | CoInitializeEx(NULL, COINIT_MULTITHREADED); |
| 214 | |
| 215 | hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, |
| 216 | CLSCTX_INPROC_SERVER, &IID_ICreateDevEnum, |
| 217 | (void**)&dev_enum); |
| 218 | if (FAILED(hr) || |
| 219 | ICreateDevEnum_CreateClassEnumerator(dev_enum, |
| 220 | &CLSID_VideoInputDeviceCategory, &enum_cat, 0) != S_OK) |
| 221 | { |
| 222 | PJ_LOG(4,(THIS_FILE, "Windows found no video input devices")); |
| 223 | if (dev_enum) |
| 224 | ICreateDevEnum_Release(dev_enum); |
| 225 | dev_count = 0; |
| 226 | } else { |
| 227 | while (IEnumMoniker_Next(enum_cat, 1, &moniker, &fetched) == S_OK) { |
| 228 | dev_count++; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | /* Add renderer device */ |
| 233 | dev_count += 1; |
| 234 | df->dev_info = (struct dshow_dev_info*) |
| 235 | pj_pool_calloc(df->pool, dev_count, |
| 236 | sizeof(struct dshow_dev_info)); |
| 237 | |
| 238 | if (dev_count > 1) { |
| 239 | IEnumMoniker_Reset(enum_cat); |
| 240 | while (IEnumMoniker_Next(enum_cat, 1, &moniker, &fetched) == S_OK) { |
| 241 | IPropertyBag *prop_bag; |
| 242 | |
| 243 | hr = IMoniker_BindToStorage(moniker, 0, 0, &IID_IPropertyBag, |
| 244 | (void**)&prop_bag); |
| 245 | if (SUCCEEDED(hr)) { |
| 246 | VARIANT var_name; |
| 247 | |
| 248 | VariantInit(&var_name); |
| 249 | hr = IPropertyBag_Read(prop_bag, L"FriendlyName", |
| 250 | &var_name, NULL); |
| 251 | if (SUCCEEDED(hr) && var_name.bstrVal) { |
| 252 | WCHAR *wszDisplayName = NULL; |
| 253 | |
| 254 | ddi = &df->dev_info[df->dev_count++]; |
| 255 | pj_bzero(ddi, sizeof(*ddi)); |
| 256 | pj_unicode_to_ansi(var_name.bstrVal, |
| 257 | wcslen(var_name.bstrVal), |
| 258 | ddi->info.name, |
| 259 | sizeof(ddi->info.name)); |
| 260 | |
| 261 | hr = IMoniker_GetDisplayName(moniker, NULL, NULL, |
| 262 | &wszDisplayName); |
| 263 | if (hr == S_OK && wszDisplayName) { |
| 264 | pj_memcpy(ddi->display_name, wszDisplayName, |
| 265 | (wcslen(wszDisplayName)+1) * sizeof(WCHAR)); |
| 266 | CoTaskMemFree(wszDisplayName); |
| 267 | } |
| 268 | |
| 269 | strncpy(ddi->info.driver, "dshow", |
| 270 | sizeof(ddi->info.driver)); |
| 271 | ddi->info.driver[sizeof(ddi->info.driver)-1] = '\0'; |
| 272 | ddi->info.dir = PJMEDIA_DIR_CAPTURE; |
| 273 | ddi->info.has_callback = PJ_TRUE; |
| 274 | |
| 275 | /* Set the device capabilities here */ |
| 276 | ddi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 277 | // TODO: Query the default width, height, fps, and |
| 278 | // supported formats |
| 279 | } |
| 280 | VariantClear(&var_name); |
| 281 | |
| 282 | IPropertyBag_Release(prop_bag); |
| 283 | } |
| 284 | IMoniker_Release(moniker); |
| 285 | } |
| 286 | |
| 287 | IEnumMoniker_Release(enum_cat); |
| 288 | ICreateDevEnum_Release(dev_enum); |
| 289 | } |
| 290 | |
| 291 | ddi = &df->dev_info[df->dev_count++]; |
| 292 | pj_bzero(ddi, sizeof(*ddi)); |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 293 | pj_ansi_strncpy(ddi->info.name, "Video Mixing Renderer", |
| 294 | sizeof(ddi->info.name)); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 295 | ddi->info.name[sizeof(ddi->info.name)-1] = '\0'; |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 296 | pj_ansi_strncpy(ddi->info.driver, "dshow", sizeof(ddi->info.driver)); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 297 | ddi->info.driver[sizeof(ddi->info.driver)-1] = '\0'; |
| 298 | ddi->info.dir = PJMEDIA_DIR_RENDER; |
| 299 | ddi->info.has_callback = PJ_FALSE; |
| 300 | ddi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 301 | |
| 302 | for (c = 0; c < df->dev_count; c++) { |
| 303 | ddi = &df->dev_info[c]; |
| 304 | ddi->info.fmt_cnt = sizeof(dshow_fmts)/sizeof(dshow_fmts[0]); |
| 305 | ddi->info.fmt = (pjmedia_format*) |
| 306 | pj_pool_calloc(df->pool, ddi->info.fmt_cnt, |
| 307 | sizeof(pjmedia_format)); |
| 308 | |
| 309 | for (i = 0; i < ddi->info.fmt_cnt; i++) { |
| 310 | pjmedia_format *fmt = &ddi->info.fmt[i]; |
| 311 | |
| 312 | if (ddi->info.dir == PJMEDIA_DIR_RENDER && i > 0) |
| 313 | break; |
| 314 | pjmedia_format_init_video(fmt, dshow_fmts[i].pjmedia_format, |
| 315 | DEFAULT_WIDTH, DEFAULT_HEIGHT, |
| 316 | DEFAULT_FPS, 1); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | // TODO: |
| 321 | // ddi->info.caps = PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| 322 | |
| 323 | PJ_LOG(4, (THIS_FILE, "DShow initialized, found %d devices:", |
| 324 | df->dev_count)); |
| 325 | for (c = 0; c < df->dev_count; ++c) { |
| 326 | PJ_LOG(4, (THIS_FILE, " dev_id %d: %s (%s)", |
| 327 | c, |
| 328 | df->dev_info[c].info.name, |
| 329 | df->dev_info[c].info.dir & PJMEDIA_DIR_CAPTURE ? |
| 330 | "capture" : "render")); |
| 331 | } |
| 332 | |
| 333 | return PJ_SUCCESS; |
| 334 | } |
| 335 | |
| 336 | /* API: destroy factory */ |
| 337 | static pj_status_t dshow_factory_destroy(pjmedia_vid_dev_factory *f) |
| 338 | { |
| 339 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 340 | pj_pool_t *pool = df->pool; |
| 341 | |
| 342 | df->pool = NULL; |
| 343 | pj_pool_release(pool); |
| 344 | |
| 345 | CoUninitialize(); |
| 346 | |
| 347 | return PJ_SUCCESS; |
| 348 | } |
| 349 | |
| 350 | /* API: get number of devices */ |
| 351 | static unsigned dshow_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| 352 | { |
| 353 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 354 | return df->dev_count; |
| 355 | } |
| 356 | |
| 357 | /* API: get device info */ |
| 358 | static pj_status_t dshow_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| 359 | unsigned index, |
| 360 | pjmedia_vid_dev_info *info) |
| 361 | { |
| 362 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 363 | |
| 364 | PJ_ASSERT_RETURN(index < df->dev_count, PJMEDIA_EVID_INVDEV); |
| 365 | |
| 366 | pj_memcpy(info, &df->dev_info[index].info, sizeof(*info)); |
| 367 | |
| 368 | return PJ_SUCCESS; |
| 369 | } |
| 370 | |
| 371 | /* API: create default device parameter */ |
| 372 | static pj_status_t dshow_factory_default_param(pj_pool_t *pool, |
| 373 | pjmedia_vid_dev_factory *f, |
| 374 | unsigned index, |
| 375 | pjmedia_vid_param *param) |
| 376 | { |
| 377 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 378 | struct dshow_dev_info *di = &df->dev_info[index]; |
| 379 | |
| 380 | PJ_ASSERT_RETURN(index < df->dev_count, PJMEDIA_EVID_INVDEV); |
| 381 | |
| 382 | PJ_UNUSED_ARG(pool); |
| 383 | |
| 384 | pj_bzero(param, sizeof(*param)); |
| 385 | if (di->info.dir & PJMEDIA_DIR_CAPTURE_RENDER) { |
| 386 | param->dir = PJMEDIA_DIR_CAPTURE_RENDER; |
| 387 | param->cap_id = index; |
| 388 | param->rend_id = index; |
| 389 | } else if (di->info.dir & PJMEDIA_DIR_CAPTURE) { |
| 390 | param->dir = PJMEDIA_DIR_CAPTURE; |
| 391 | param->cap_id = index; |
| 392 | param->rend_id = PJMEDIA_VID_INVALID_DEV; |
| 393 | } else if (di->info.dir & PJMEDIA_DIR_RENDER) { |
| 394 | param->dir = PJMEDIA_DIR_RENDER; |
| 395 | param->rend_id = index; |
| 396 | param->cap_id = PJMEDIA_VID_INVALID_DEV; |
| 397 | } else { |
| 398 | return PJMEDIA_EVID_INVDEV; |
| 399 | } |
| 400 | |
| 401 | /* Set the device capabilities here */ |
Sauw Ming | 8e79912 | 2010-12-30 16:31:16 +0000 | [diff] [blame] | 402 | param->clock_rate = DEFAULT_CLOCK_RATE; |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 403 | //param->frame_rate.num = DEFAULT_FPS; |
| 404 | //param->frame_rate.denum = 1; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 405 | param->flags = PJMEDIA_VID_DEV_CAP_FORMAT; |
| 406 | |
| 407 | pjmedia_format_copy(¶m->fmt, &di->info.fmt[0]); |
| 408 | |
| 409 | return PJ_SUCCESS; |
| 410 | } |
| 411 | |
| 412 | static void input_cb(void *user_data, IMediaSample *pMediaSample) |
| 413 | { |
| 414 | struct dshow_stream *strm = (struct dshow_stream*)user_data; |
| 415 | unsigned char *buffer; |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 416 | pjmedia_frame frame = {0}; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 417 | |
| 418 | if (strm->quit_flag) { |
| 419 | strm->cap_thread_exited = PJ_TRUE; |
| 420 | return; |
| 421 | } |
| 422 | |
| 423 | if (strm->cap_thread_initialized == 0 || !pj_thread_is_registered()) |
| 424 | { |
| 425 | pj_status_t status; |
| 426 | |
| 427 | status = pj_thread_register("ds_cap", strm->cap_thread_desc, |
| 428 | &strm->cap_thread); |
| 429 | if (status != PJ_SUCCESS) |
| 430 | return; |
| 431 | strm->cap_thread_initialized = 1; |
| 432 | PJ_LOG(5,(THIS_FILE, "Capture thread started")); |
| 433 | } |
| 434 | |
| 435 | IMediaSample_GetPointer(pMediaSample, &buffer); |
| 436 | |
| 437 | frame.type = PJMEDIA_TYPE_VIDEO; |
| 438 | IMediaSample_GetPointer(pMediaSample, (BYTE **)&frame.buf); |
| 439 | frame.size = IMediaSample_GetActualDataLength(pMediaSample); |
| 440 | frame.bit_info = 0; |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 441 | frame.timestamp = strm->cap_ts; |
| 442 | strm->cap_ts.u64 += strm->cap_ts_inc; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 443 | if (strm->vid_cb.capture_cb) |
| 444 | (*strm->vid_cb.capture_cb)(&strm->base, strm->user_data, &frame); |
| 445 | } |
| 446 | |
| 447 | /* API: Put frame from stream */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 448 | static pj_status_t dshow_stream_put_frame(pjmedia_vid_dev_stream *strm, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 449 | const pjmedia_frame *frame) |
| 450 | { |
| 451 | struct dshow_stream *stream = (struct dshow_stream*)strm; |
| 452 | unsigned i; |
| 453 | |
| 454 | if (stream->quit_flag) { |
| 455 | stream->rend_thread_exited = PJ_TRUE; |
| 456 | return PJ_SUCCESS; |
| 457 | } |
| 458 | |
| 459 | for (i = 0; i < 2; i++) { |
| 460 | if (stream->dgraph[i].csource_filter) { |
| 461 | HRESULT hr = SourceFilter_Deliver(stream->dgraph[i].csource_filter, |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 462 | frame->buf, frame->size); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 463 | |
| 464 | if (FAILED(hr)) { |
| 465 | return hr; |
| 466 | } |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | return PJ_SUCCESS; |
| 472 | } |
| 473 | |
| 474 | static dshow_fmt_info* get_dshow_format_info(pjmedia_format_id id) |
| 475 | { |
| 476 | unsigned i; |
| 477 | |
| 478 | for (i = 0; i < sizeof(dshow_fmts)/sizeof(dshow_fmts[0]); i++) { |
| 479 | if (dshow_fmts[i].pjmedia_format == id) |
| 480 | return &dshow_fmts[i]; |
| 481 | } |
| 482 | |
| 483 | return NULL; |
| 484 | } |
| 485 | |
| 486 | static pj_status_t create_filter_graph(pjmedia_dir dir, |
| 487 | unsigned id, |
| 488 | struct dshow_factory *df, |
| 489 | struct dshow_stream *strm, |
| 490 | struct dshow_graph *graph) |
| 491 | { |
| 492 | HRESULT hr; |
| 493 | IEnumPins *pEnum; |
| 494 | IPin *srcpin = NULL; |
| 495 | IPin *sinkpin = NULL; |
| 496 | AM_MEDIA_TYPE *mediatype= NULL, mtype; |
| 497 | VIDEOINFOHEADER *video_info, *vi = NULL; |
| 498 | pjmedia_video_format_detail *vfd; |
| 499 | const pjmedia_video_format_info *vfi; |
| 500 | |
| 501 | vfi = pjmedia_get_video_format_info(pjmedia_video_format_mgr_instance(), |
| 502 | strm->param.fmt.id); |
| 503 | if (!vfi) |
| 504 | return PJMEDIA_EVID_BADFORMAT; |
| 505 | |
| 506 | hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC, |
| 507 | &IID_IFilterGraph, (LPVOID *)&graph->filter_graph); |
| 508 | if (FAILED(hr)) { |
| 509 | goto on_error; |
| 510 | } |
| 511 | |
| 512 | hr = IFilterGraph_QueryInterface(graph->filter_graph, &IID_IMediaFilter, |
| 513 | (LPVOID *)&graph->media_filter); |
| 514 | if (FAILED(hr)) { |
| 515 | goto on_error; |
| 516 | } |
| 517 | |
| 518 | if (dir == PJMEDIA_DIR_CAPTURE) { |
| 519 | IBindCtx *pbc; |
| 520 | |
| 521 | hr = CreateBindCtx(0, &pbc); |
| 522 | if (SUCCEEDED (hr)) { |
| 523 | IMoniker *moniker; |
| 524 | DWORD pchEaten; |
| 525 | |
| 526 | hr = MkParseDisplayName(pbc, |
| 527 | df->dev_info[id].display_name, |
| 528 | &pchEaten, &moniker); |
| 529 | if (SUCCEEDED(hr)) { |
| 530 | hr = IMoniker_BindToObject(moniker, pbc, NULL, |
| 531 | &IID_IBaseFilter, |
| 532 | (LPVOID *)&graph->source_filter); |
| 533 | IMoniker_Release(moniker); |
| 534 | } |
| 535 | IBindCtx_Release(pbc); |
| 536 | } |
| 537 | if (FAILED(hr)) { |
| 538 | goto on_error; |
| 539 | } |
| 540 | } else { |
| 541 | graph->source_filter = SourceFilter_Create(&graph->csource_filter); |
| 542 | } |
| 543 | |
| 544 | hr = IFilterGraph_AddFilter(graph->filter_graph, graph->source_filter, |
| 545 | L"capture"); |
| 546 | if (FAILED(hr)) { |
| 547 | goto on_error; |
| 548 | } |
| 549 | |
| 550 | if (dir == PJMEDIA_DIR_CAPTURE) { |
| 551 | graph->rend_filter = NullRenderer_Create(input_cb, strm); |
| 552 | } else { |
| 553 | hr = CoCreateInstance(&CLSID_VideoMixingRenderer, NULL, |
| 554 | CLSCTX_INPROC, &IID_IBaseFilter, |
| 555 | (LPVOID *)&graph->rend_filter); |
| 556 | if (FAILED (hr)) { |
| 557 | goto on_error; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | IBaseFilter_EnumPins(graph->rend_filter, &pEnum); |
| 562 | if (SUCCEEDED(hr)) { |
| 563 | // Loop through all the pins |
| 564 | IPin *pPin = NULL; |
| 565 | |
| 566 | while (IEnumPins_Next(pEnum, 1, &pPin, NULL) == S_OK) { |
| 567 | PIN_DIRECTION pindirtmp; |
| 568 | |
| 569 | hr = IPin_QueryDirection(pPin, &pindirtmp); |
| 570 | if (hr == S_OK && pindirtmp == PINDIR_INPUT) { |
| 571 | sinkpin = pPin; |
| 572 | break; |
| 573 | } |
| 574 | IPin_Release(pPin); |
| 575 | } |
| 576 | IEnumPins_Release(pEnum); |
| 577 | } |
| 578 | |
| 579 | vfd = pjmedia_format_get_video_format_detail(&strm->param.fmt, PJ_TRUE); |
| 580 | |
| 581 | IBaseFilter_EnumPins(graph->source_filter, &pEnum); |
| 582 | if (SUCCEEDED(hr)) { |
| 583 | // Loop through all the pins |
| 584 | IPin *pPin = NULL; |
| 585 | |
| 586 | while (IEnumPins_Next(pEnum, 1, &pPin, NULL) == S_OK) { |
| 587 | PIN_DIRECTION pindirtmp; |
| 588 | const GUID *dshow_format; |
| 589 | |
| 590 | dshow_format = get_dshow_format_info(strm->param.fmt.id)-> |
| 591 | dshow_format; |
| 592 | |
| 593 | hr = IPin_QueryDirection(pPin, &pindirtmp); |
| 594 | if (hr != S_OK || pindirtmp != PINDIR_OUTPUT) { |
| 595 | if (SUCCEEDED(hr)) |
| 596 | IPin_Release(pPin); |
| 597 | continue; |
| 598 | } |
| 599 | |
| 600 | if (dir == PJMEDIA_DIR_CAPTURE) { |
| 601 | IAMStreamConfig *streamcaps; |
| 602 | |
| 603 | hr = IPin_QueryInterface(pPin, &IID_IAMStreamConfig, |
| 604 | (LPVOID *)&streamcaps); |
| 605 | if (SUCCEEDED(hr)) { |
| 606 | VIDEO_STREAM_CONFIG_CAPS vscc; |
| 607 | int i, isize, icount; |
| 608 | |
| 609 | IAMStreamConfig_GetNumberOfCapabilities(streamcaps, |
| 610 | &icount, &isize); |
| 611 | |
| 612 | for (i = 0; i < icount; i++) { |
Nanang Izzuddin | 63b01ab | 2011-03-22 09:46:04 +0000 | [diff] [blame] | 613 | RPC_STATUS rpcstatus, rpcstatus2; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 614 | |
| 615 | hr = IAMStreamConfig_GetStreamCaps(streamcaps, i, |
| 616 | &mediatype, |
| 617 | (BYTE *)&vscc); |
| 618 | if (FAILED (hr)) |
| 619 | continue; |
| 620 | |
Nanang Izzuddin | 63b01ab | 2011-03-22 09:46:04 +0000 | [diff] [blame] | 621 | if (UuidCompare(&mediatype->subtype, |
| 622 | (UUID*)dshow_format, |
| 623 | &rpcstatus) == 0 && |
| 624 | rpcstatus == RPC_S_OK && |
| 625 | UuidCompare(&mediatype->formattype, |
| 626 | (UUID*)&FORMAT_VideoInfo, |
| 627 | &rpcstatus2) == 0 && |
| 628 | rpcstatus2 == RPC_S_OK) |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 629 | { |
| 630 | srcpin = pPin; |
| 631 | graph->mediatype = mediatype; |
Nanang Izzuddin | 63b01ab | 2011-03-22 09:46:04 +0000 | [diff] [blame] | 632 | break; |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 633 | } |
| 634 | } |
| 635 | IAMStreamConfig_Release(streamcaps); |
| 636 | } |
| 637 | } else { |
| 638 | srcpin = pPin; |
| 639 | mediatype = graph->mediatype = &mtype; |
| 640 | |
| 641 | memset (mediatype, 0, sizeof(AM_MEDIA_TYPE)); |
| 642 | mediatype->majortype = MEDIATYPE_Video; |
| 643 | mediatype->subtype = *dshow_format; |
| 644 | mediatype->bFixedSizeSamples = TRUE; |
| 645 | mediatype->bTemporalCompression = FALSE; |
| 646 | |
| 647 | vi = (VIDEOINFOHEADER *) |
| 648 | CoTaskMemAlloc(sizeof(VIDEOINFOHEADER)); |
| 649 | memset (vi, 0, sizeof(VIDEOINFOHEADER)); |
| 650 | mediatype->formattype = FORMAT_VideoInfo; |
| 651 | mediatype->cbFormat = sizeof(VIDEOINFOHEADER); |
| 652 | mediatype->pbFormat = (BYTE *)vi; |
| 653 | |
| 654 | vi->rcSource.bottom = vfd->size.h; |
| 655 | vi->rcSource.right = vfd->size.w; |
| 656 | vi->rcTarget.bottom = vfd->size.h; |
| 657 | vi->rcTarget.right = vfd->size.w; |
| 658 | |
| 659 | vi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| 660 | vi->bmiHeader.biPlanes = 1; |
| 661 | vi->bmiHeader.biBitCount = vfi->bpp; |
| 662 | vi->bmiHeader.biCompression = strm->param.fmt.id; |
| 663 | } |
| 664 | if (srcpin) |
| 665 | break; |
| 666 | IPin_Release(pPin); |
| 667 | } |
| 668 | IEnumPins_Release(pEnum); |
| 669 | } |
| 670 | |
| 671 | if (!srcpin || !sinkpin || !mediatype) { |
| 672 | hr = S_FALSE; |
| 673 | goto on_error; |
| 674 | } |
| 675 | video_info = (VIDEOINFOHEADER *) mediatype->pbFormat; |
| 676 | video_info->bmiHeader.biWidth = vfd->size.w; |
| 677 | video_info->bmiHeader.biHeight = vfd->size.h; |
| 678 | if (vfd->fps.num != 0) |
| 679 | video_info->AvgTimePerFrame = (LONGLONG) (10000000 * |
Nanang Izzuddin | 63b01ab | 2011-03-22 09:46:04 +0000 | [diff] [blame] | 680 | (double)vfd->fps.denum / |
| 681 | vfd->fps.num); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 682 | video_info->bmiHeader.biSizeImage = DIBSIZE(video_info->bmiHeader); |
| 683 | mediatype->lSampleSize = DIBSIZE(video_info->bmiHeader); |
| 684 | if (graph->csource_filter) |
| 685 | SourceFilter_SetBufferSize(graph->csource_filter, |
| 686 | mediatype->lSampleSize); |
| 687 | |
| 688 | hr = IFilterGraph_AddFilter(graph->filter_graph, |
| 689 | (IBaseFilter *)graph->rend_filter, |
| 690 | L"renderer"); |
| 691 | if (FAILED(hr)) |
| 692 | goto on_error; |
| 693 | |
| 694 | hr = IFilterGraph_ConnectDirect(graph->filter_graph, srcpin, sinkpin, |
| 695 | mediatype); |
| 696 | |
| 697 | on_error: |
| 698 | if (srcpin) |
| 699 | IPin_Release(srcpin); |
| 700 | if (sinkpin) |
| 701 | IPin_Release(sinkpin); |
| 702 | if (vi) |
| 703 | CoTaskMemFree(vi); |
| 704 | if (FAILED(hr)) |
| 705 | return hr; |
| 706 | |
| 707 | return PJ_SUCCESS; |
| 708 | } |
| 709 | |
| 710 | /* API: create stream */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 711 | static pj_status_t dshow_factory_create_stream( |
| 712 | pjmedia_vid_dev_factory *f, |
Benny Prijono | e9f70d8 | 2011-03-25 08:38:26 +0000 | [diff] [blame] | 713 | pjmedia_vid_param *param, |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 714 | const pjmedia_vid_cb *cb, |
| 715 | void *user_data, |
| 716 | pjmedia_vid_dev_stream **p_vid_strm) |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 717 | { |
| 718 | struct dshow_factory *df = (struct dshow_factory*)f; |
| 719 | pj_pool_t *pool; |
| 720 | struct dshow_stream *strm; |
| 721 | unsigned ngraph = 0; |
| 722 | pj_status_t status; |
| 723 | |
| 724 | if (!get_dshow_format_info(param->fmt.id)) |
| 725 | return PJMEDIA_EVID_BADFORMAT; |
| 726 | |
| 727 | /* Create and Initialize stream descriptor */ |
| 728 | pool = pj_pool_create(df->pf, "dshow-dev", 1000, 1000, NULL); |
| 729 | PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| 730 | |
| 731 | strm = PJ_POOL_ZALLOC_T(pool, struct dshow_stream); |
| 732 | pj_memcpy(&strm->param, param, sizeof(*param)); |
| 733 | strm->pool = pool; |
| 734 | pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); |
| 735 | strm->user_data = user_data; |
| 736 | |
| 737 | /* Create capture stream here */ |
| 738 | if (param->dir & PJMEDIA_DIR_CAPTURE) { |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 739 | const pjmedia_video_format_detail *vfd; |
| 740 | |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 741 | status = create_filter_graph(PJMEDIA_DIR_CAPTURE, param->cap_id, |
| 742 | df, strm, &strm->dgraph[ngraph++]); |
| 743 | if (status != PJ_SUCCESS) |
| 744 | goto on_error; |
Benny Prijono | 349037b | 2011-03-17 11:25:19 +0000 | [diff] [blame] | 745 | |
| 746 | vfd = pjmedia_format_get_video_format_detail(¶m->fmt, PJ_TRUE); |
| 747 | strm->cap_ts_inc = PJMEDIA_SPF2(param->clock_rate, &vfd->fps, 1); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | /* Create render stream here */ |
| 751 | if (param->dir & PJMEDIA_DIR_RENDER) { |
| 752 | status = create_filter_graph(PJMEDIA_DIR_RENDER, param->rend_id, |
| 753 | df, strm, &strm->dgraph[ngraph++]); |
| 754 | if (status != PJ_SUCCESS) |
| 755 | goto on_error; |
| 756 | } |
| 757 | |
| 758 | /* Apply the remaining settings */ |
| 759 | if (param->flags & PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW) { |
| 760 | dshow_stream_set_cap(&strm->base, |
| 761 | PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW, |
| 762 | ¶m->window); |
| 763 | } |
| 764 | |
| 765 | /* Done */ |
| 766 | strm->base.op = &stream_op; |
| 767 | *p_vid_strm = &strm->base; |
| 768 | |
| 769 | return PJ_SUCCESS; |
| 770 | |
| 771 | on_error: |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 772 | dshow_stream_destroy((pjmedia_vid_dev_stream *)strm); |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 773 | return PJ_EUNKNOWN; |
| 774 | } |
| 775 | |
| 776 | /* API: Get stream info. */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 777 | static pj_status_t dshow_stream_get_param(pjmedia_vid_dev_stream *s, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 778 | pjmedia_vid_param *pi) |
| 779 | { |
| 780 | struct dshow_stream *strm = (struct dshow_stream*)s; |
| 781 | |
| 782 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 783 | |
| 784 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 785 | |
| 786 | if (dshow_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW, |
| 787 | &pi->window) == PJ_SUCCESS) |
| 788 | { |
| 789 | pi->flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| 790 | } |
| 791 | |
| 792 | return PJ_SUCCESS; |
| 793 | } |
| 794 | |
| 795 | /* API: get capability */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 796 | static pj_status_t dshow_stream_get_cap(pjmedia_vid_dev_stream *s, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 797 | pjmedia_vid_dev_cap cap, |
| 798 | void *pval) |
| 799 | { |
| 800 | struct dshow_stream *strm = (struct dshow_stream*)s; |
| 801 | |
| 802 | PJ_UNUSED_ARG(strm); |
| 803 | |
| 804 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 805 | |
| 806 | if (cap==PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW) |
| 807 | { |
| 808 | *(unsigned*)pval = 0; |
| 809 | return PJ_SUCCESS; |
| 810 | } else { |
| 811 | return PJMEDIA_EVID_INVCAP; |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | /* API: set capability */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 816 | static pj_status_t dshow_stream_set_cap(pjmedia_vid_dev_stream *s, |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 817 | pjmedia_vid_dev_cap cap, |
| 818 | const void *pval) |
| 819 | { |
| 820 | struct dshow_stream *strm = (struct dshow_stream*)s; |
| 821 | |
| 822 | PJ_UNUSED_ARG(strm); |
| 823 | |
| 824 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 825 | |
| 826 | if (cap==PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW) |
| 827 | { |
| 828 | // set renderer's window here |
| 829 | return PJ_SUCCESS; |
| 830 | } |
| 831 | |
| 832 | return PJMEDIA_EVID_INVCAP; |
| 833 | } |
| 834 | |
| 835 | /* API: Start stream. */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 836 | static pj_status_t dshow_stream_start(pjmedia_vid_dev_stream *strm) |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 837 | { |
| 838 | struct dshow_stream *stream = (struct dshow_stream*)strm; |
| 839 | unsigned i; |
| 840 | |
| 841 | stream->quit_flag = PJ_FALSE; |
| 842 | stream->cap_thread_exited = PJ_FALSE; |
| 843 | stream->rend_thread_exited = PJ_FALSE; |
| 844 | |
| 845 | for (i = 0; i < 2; i++) { |
| 846 | HRESULT hr; |
| 847 | |
| 848 | if (!stream->dgraph[i].media_filter) |
| 849 | continue; |
| 850 | hr = IMediaFilter_Run(stream->dgraph[i].media_filter, 0); |
| 851 | if (FAILED(hr)) { |
| 852 | return hr; |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | PJ_LOG(4, (THIS_FILE, "Starting dshow video stream")); |
| 857 | |
| 858 | return PJ_SUCCESS; |
| 859 | } |
| 860 | |
| 861 | /* API: Stop stream. */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 862 | static pj_status_t dshow_stream_stop(pjmedia_vid_dev_stream *strm) |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 863 | { |
| 864 | struct dshow_stream *stream = (struct dshow_stream*)strm; |
| 865 | unsigned i; |
| 866 | |
| 867 | stream->quit_flag = PJ_TRUE; |
| 868 | if (stream->cap_thread) { |
| 869 | for (i=0; !stream->cap_thread_exited && i<100; ++i) |
| 870 | pj_thread_sleep(10); |
| 871 | } |
| 872 | for (i=0; !stream->rend_thread_exited && i<100; ++i) |
| 873 | pj_thread_sleep(10); |
| 874 | |
| 875 | for (i = 0; i < 2; i++) { |
| 876 | if (!stream->dgraph[i].media_filter) |
| 877 | continue; |
| 878 | IMediaFilter_Stop(stream->dgraph[i].media_filter); |
| 879 | } |
| 880 | |
| 881 | PJ_LOG(4, (THIS_FILE, "Stopping dshow video stream")); |
| 882 | |
| 883 | return PJ_SUCCESS; |
| 884 | } |
| 885 | |
| 886 | |
| 887 | /* API: Destroy stream. */ |
Nanang Izzuddin | a9c1cf4 | 2011-02-24 07:47:55 +0000 | [diff] [blame] | 888 | static pj_status_t dshow_stream_destroy(pjmedia_vid_dev_stream *strm) |
Benny Prijono | c45d951 | 2010-12-10 11:04:30 +0000 | [diff] [blame] | 889 | { |
| 890 | struct dshow_stream *stream = (struct dshow_stream*)strm; |
| 891 | unsigned i; |
| 892 | |
| 893 | PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| 894 | |
| 895 | dshow_stream_stop(strm); |
| 896 | |
| 897 | for (i = 0; i < 2; i++) { |
| 898 | if (stream->dgraph[i].source_filter) { |
| 899 | IBaseFilter_Release(stream->dgraph[i].source_filter); |
| 900 | stream->dgraph[i].source_filter = NULL; |
| 901 | } |
| 902 | if (stream->dgraph[i].rend_filter) { |
| 903 | IBaseFilter_Release(stream->dgraph[i].rend_filter); |
| 904 | stream->dgraph[i].rend_filter = NULL; |
| 905 | } |
| 906 | if (stream->dgraph[i].media_filter) { |
| 907 | IMediaFilter_Release(stream->dgraph[i].media_filter); |
| 908 | stream->dgraph[i].media_filter = NULL; |
| 909 | } |
| 910 | if (stream->dgraph[i].filter_graph) { |
| 911 | IFilterGraph_Release(stream->dgraph[i].filter_graph); |
| 912 | stream->dgraph[i].filter_graph = NULL; |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | pj_pool_release(stream->pool); |
| 917 | |
| 918 | return PJ_SUCCESS; |
| 919 | } |
| 920 | |
| 921 | #endif /* PJMEDIA_VIDEO_DEV_HAS_DSHOW */ |