git.sesse.net Git - casparcg/blob - modules/bluefish/consumer/bluefish_consumer.cpp

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20  \r
  21 #include "../StdAfx.h"\r
  22 \r
  23 #include "bluefish_consumer.h"\r
  24 #include "../util/util.h"\r
  25 #include "../util/memory.h"\r
  26 \r
  27 #include <core/mixer/read_frame.h>\r
  28 \r
  29 #include <common/concurrency/executor.h>\r
  30 #include <common/diagnostics/graph.h>\r
  31 #include <common/memory/memcpy.h>\r
  32 #include <common/memory/memclr.h>\r
  33 #include <common/utility/timer.h>\r
  34 \r
  35 #include <tbb/concurrent_queue.h>\r
  36 \r
  37 #include <boost/timer.hpp>\r
  38 \r
  39 #include <BlueVelvet4.h>\r
  40 #include <BlueHancUtils.h>\r
  41 \r
  42 #include <memory>\r
  43 #include <array>\r
  44 \r
  45 namespace caspar { \r
  46         \r
  47 CBlueVelvet4* (*BlueVelvetFactory4)() = nullptr;\r
  48 const char*     (*BlueVelvetVersion)() = nullptr;\r
  49 BLUE_UINT32 (*encode_hanc_frame)(struct hanc_stream_info_struct * hanc_stream_ptr, void * audio_pcm_ptr,BLUE_UINT32 no_audio_ch,BLUE_UINT32 no_audio_samples,BLUE_UINT32 nTypeOfSample,BLUE_UINT32 emb_audio_flag) = nullptr;\r
  50 BLUE_UINT32 (*encode_hanc_frame_ex)(BLUE_UINT32 card_type, struct hanc_stream_info_struct * hanc_stream_ptr, void * audio_pcm_ptr, BLUE_UINT32 no_audio_ch,     BLUE_UINT32 no_audio_samples, BLUE_UINT32 nTypeOfSample, BLUE_UINT32 emb_audio_flag) = nullptr;\r
  51 \r
  52 void blue_velvet_initialize()\r
  53 {\r
  54 #ifdef _DEBUG\r
  55         auto module = LoadLibrary(L"BlueVelvet3_d.dll");\r
  56 #else\r
  57         auto module = LoadLibrary(L"BlueVelvet3.dll");\r
  58 #endif\r
  59         if(!module)\r
  60                 BOOST_THROW_EXCEPTION(file_not_found() << msg_info("Could not find BlueVelvet3.dll"));\r
  61         static std::shared_ptr<void> lib(module, FreeLibrary);\r
  62         BlueVelvetFactory4 = reinterpret_cast<decltype(BlueVelvetFactory4)>(GetProcAddress(module, "BlueVelvetFactory4"));\r
  63         BlueVelvetVersion = reinterpret_cast<decltype(BlueVelvetVersion)>(GetProcAddress(module, "BlueVelvetVersion"));\r
  64 }\r
  65 \r
  66 void blue_hanc_initialize()\r
  67 {\r
  68 #ifdef _DEBUG\r
  69         auto module = LoadLibrary(L"BlueHancUtils_d.dll");\r
  70 #else\r
  71         auto module = LoadLibrary(L"BlueHancUtils.dll");\r
  72 #endif\r
  73         if(!module)\r
  74                 BOOST_THROW_EXCEPTION(file_not_found() << msg_info("Could not find BlueHancUtils.dll"));\r
  75         static std::shared_ptr<void> lib(module, FreeLibrary);\r
  76         encode_hanc_frame = reinterpret_cast<decltype(encode_hanc_frame)>(GetProcAddress(module, "encode_hanc_frame"));\r
  77         encode_hanc_frame_ex = reinterpret_cast<decltype(encode_hanc_frame_ex)>(GetProcAddress(module, "encode_hanc_frame_ex"));\r
  78 }\r
  79 \r
  80 void blue_initialize()\r
  81 {\r
  82         blue_velvet_initialize();\r
  83         blue_hanc_initialize();\r
  84 }\r
  85                 \r
  86 struct bluefish_consumer : boost::noncopyable\r
  87 {\r
  88         std::wstring            model_name_;\r
  89         const unsigned int      device_index_;\r
  90 \r
  91         std::shared_ptr<diagnostics::graph> graph_;\r
  92         boost::timer frame_timer_;\r
  93         boost::timer tick_timer_;\r
  94         boost::timer sync_timer_;\r
  95 \r
  96         std::shared_ptr<CBlueVelvet4> blue_;\r
  97         \r
  98         const core::video_format_desc   format_desc_;\r
  99                 \r
 100         const unsigned long     mem_fmt_;\r
 101         const unsigned long     upd_fmt_;\r
 102         const unsigned long     res_fmt_; \r
 103         unsigned long engine_mode_;\r
 104         EVideoMode      vid_fmt_; \r
 105         \r
 106         std::array<blue_dma_buffer_ptr, 4> reserved_frames_;    \r
 107         tbb::concurrent_bounded_queue<std::shared_ptr<const core::read_frame>> frame_buffer_;\r
 108 \r
 109         const bool embedded_audio_;\r
 110         \r
 111         executor executor_;\r
 112 public:\r
 113         bluefish_consumer(const core::video_format_desc& format_desc, unsigned int device_index, bool embedded_audio, size_t buffer_depth) \r
 114                 : model_name_(L"BLUEFISH")\r
 115                 , device_index_(device_index) \r
 116                 , format_desc_(format_desc)\r
 117                 , mem_fmt_(MEM_FMT_ARGB_PC)\r
 118                 , upd_fmt_(UPD_FMT_FRAME)\r
 119                 , res_fmt_(RES_FMT_NORMAL) \r
 120                 , engine_mode_(VIDEO_ENGINE_FRAMESTORE)         \r
 121                 , vid_fmt_(VID_FMT_INVALID) \r
 122                 , embedded_audio_(embedded_audio)\r
 123                 , executor_(print())\r
 124         {\r
 125                 executor_.set_capacity(buffer_depth);\r
 126 \r
 127                 if(!BlueVelvetFactory4 || (embedded_audio_ && (!encode_hanc_frame || !encode_hanc_frame)))\r
 128                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Bluefish drivers not found."));\r
 129                 \r
 130                 blue_.reset(BlueVelvetFactory4());\r
 131 \r
 132                 if(BLUE_FAIL(blue_->device_attach(device_index_, FALSE))) \r
 133                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to attach device."));\r
 134         \r
 135                 int videoCardType = blue_->has_video_cardtype();\r
 136                 model_name_ = get_card_desc(videoCardType);\r
 137 \r
 138                 graph_ = diagnostics::create_graph(narrow(print()));\r
 139                 graph_->add_guide("tick-time", 0.5);\r
 140                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
 141                 graph_->add_guide("frame-time", 0.5f);  \r
 142                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
 143                 graph_->add_guide("frame-time", 0.5f);  \r
 144                 graph_->set_color("sync-time", diagnostics::color(0.5f, 1.0f, 0.2f));\r
 145                         \r
 146                 //void* pBlueDevice = blue_attach_to_device(1);\r
 147                 //EBlueConnectorPropertySetting video_routing[1];\r
 148                 //auto video_channel = BLUE_VIDEO_OUTPUT_CHANNEL_A;\r
 149                 //video_routing[0].video_channel = video_channel;       \r
 150                 //video_routing[0].propType = BLUE_CONNECTOR_PROP_SINGLE_LINK;\r
 151                 //video_routing[0].connector = video_channel == BLUE_VIDEO_OUTPUT_CHANNEL_A ? BLUE_CONNECTOR_SDI_OUTPUT_A : BLUE_CONNECTOR_SDI_OUTPUT_B;\r
 152                 //blue_set_connector_property(pBlueDevice, 1, video_routing);\r
 153                 //blue_detach_from_device(&pBlueDevice);\r
 154                 \r
 155                 auto desiredVideoFormat = vid_fmt_from_video_format(format_desc_.format);\r
 156                 int videoModeCount = blue_->count_video_mode();\r
 157                 for(int videoModeIndex = 1; videoModeIndex <= videoModeCount; ++videoModeIndex) \r
 158                 {\r
 159                         EVideoMode videoMode = blue_->enum_video_mode(videoModeIndex);\r
 160                         if(videoMode == desiredVideoFormat) \r
 161                                 vid_fmt_ = videoMode;                   \r
 162                 }\r
 163                 if(vid_fmt_ == VID_FMT_INVALID)\r
 164                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set videomode."));\r
 165                 \r
 166                 // Set default video output video_channel\r
 167                 //if(BLUE_FAIL(set_card_property(blue_, DEFAULT_VIDEO_OUTPUT_CHANNEL, video_channel)))\r
 168                 //      CASPAR_LOG(error) << TEXT("BLUECARD ERROR: Failed to set default video_channel. (device ") << device_index_ << TEXT(")");\r
 169 \r
 170                 //Setting output Video mode\r
 171                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_MODE, vid_fmt_))) \r
 172                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set videomode."));\r
 173 \r
 174                 //Select Update Mode for output\r
 175                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_UPDATE_TYPE, upd_fmt_))) \r
 176                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set update type."));\r
 177         \r
 178                 disable_video_output();\r
 179 \r
 180                 //Enable dual link output\r
 181                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_DUAL_LINK_OUTPUT, 1)))\r
 182                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to enable dual link."));\r
 183 \r
 184                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_DUAL_LINK_OUTPUT_SIGNAL_FORMAT_TYPE, Signal_FormatType_4224)))\r
 185                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set dual link format type to 4:2:2:4."));\r
 186                         \r
 187                 //Select output memory format\r
 188                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_MEMORY_FORMAT, mem_fmt_))) \r
 189                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set memory format."));\r
 190                 \r
 191                 //Select image orientation\r
 192                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_IMAGE_ORIENTATION, ImageOrientation_Normal)))\r
 193                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set image orientation to normal.");  \r
 194 \r
 195                 // Select data range\r
 196                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_RGB_DATA_RANGE, CGR_RANGE))) \r
 197                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set RGB data range to CGR.");        \r
 198                 \r
 199                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_PREDEFINED_COLOR_MATRIX, vid_fmt_ == VID_FMT_PAL ? MATRIX_601_CGR : MATRIX_709_CGR)))\r
 200                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set colormatrix to ") << (vid_fmt_ == VID_FMT_PAL ? TEXT("601 CGR") : TEXT("709 CGR")) << TEXT(".");\r
 201 \r
 202                 if(!embedded_audio_)\r
 203                 {\r
 204                         if(BLUE_FAIL(set_card_property(blue_, EMBEDEDDED_AUDIO_OUTPUT, 0))) \r
 205                                 CASPAR_LOG(warning) << TEXT("BLUECARD ERROR: Failed to disable embedded audio.");                       \r
 206                         CASPAR_LOG(info) << print() << TEXT(" Disabled embedded-audio.");\r
 207                 }\r
 208                 else\r
 209                 {\r
 210                         if(BLUE_FAIL(set_card_property(blue_, EMBEDEDDED_AUDIO_OUTPUT, blue_emb_audio_enable | blue_emb_audio_group1_enable))) \r
 211                                 CASPAR_LOG(warning) << print() << TEXT(" Failed to enable embedded audio.");                    \r
 212                         CASPAR_LOG(info) << print() << TEXT(" Enabled embedded-audio.");\r
 213                 }\r
 214                 \r
 215                 if (blue_->has_output_key()) \r
 216                 {\r
 217                         int dummy = TRUE; int v4444 = FALSE; int invert = FALSE; int white = FALSE;\r
 218                         blue_->set_output_key(dummy, v4444, invert, white);\r
 219                 }\r
 220 \r
 221                 if(blue_->GetHDCardType(device_index_) != CRD_HD_INVALID) \r
 222                         blue_->Set_DownConverterSignalType(vid_fmt_ == VID_FMT_PAL ? SD_SDI : HD_SDI);  \r
 223         \r
 224                 if(BLUE_FAIL(blue_->set_video_engine(engine_mode_)))\r
 225                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set video engine."));\r
 226 \r
 227                 enable_video_output();\r
 228                                                 \r
 229                 for(size_t n = 0; n < reserved_frames_.size(); ++n)\r
 230                         reserved_frames_[n] = std::make_shared<blue_dma_buffer>(format_desc_.size, n);  \r
 231 \r
 232                 for(int n = 0; n < executor_.capacity(); ++n)\r
 233                         schedule_next_video(core::read_frame::empty());\r
 234                                                 \r
 235                 CASPAR_LOG(info) << print() << L" Successfully Initialized.";\r
 236         }\r
 237 \r
 238         ~bluefish_consumer()\r
 239         {\r
 240                 executor_.invoke([&]\r
 241                 {\r
 242                         disable_video_output();\r
 243 \r
 244                         if(blue_)\r
 245                                 blue_->device_detach();         \r
 246                 });\r
 247                 \r
 248                 CASPAR_LOG(info) << print() << L" Shutting down.";      \r
 249         }\r
 250         \r
 251         const core::video_format_desc& get_video_format_desc() const\r
 252         {\r
 253                 return format_desc_;\r
 254         }\r
 255 \r
 256         void enable_video_output()\r
 257         {\r
 258                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 0)))\r
 259                         CASPAR_LOG(error) << print() << TEXT(" Failed to disable video output.");       \r
 260         }\r
 261 \r
 262         void disable_video_output()\r
 263         {\r
 264                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 1)))\r
 265                         CASPAR_LOG(error)<< print() << TEXT(" Failed to disable video output.");                \r
 266         }\r
 267         \r
 268         void send(const safe_ptr<const core::read_frame>& frame)\r
 269         {                       \r
 270                 schedule_next_video(frame);                     \r
 271         }\r
 272         \r
 273         void schedule_next_video(const safe_ptr<const core::read_frame>& frame)\r
 274         {\r
 275                 static std::vector<short> silence(MAX_HANC_BUFFER_SIZE, 0);\r
 276                 \r
 277                 executor_.begin_invoke([=]\r
 278                 {\r
 279                         try\r
 280                         {\r
 281                                 frame_timer_.restart();\r
 282 \r
 283                                 const size_t audio_samples = static_cast<size_t>(48000.0 / format_desc_.fps);\r
 284                                 const size_t audio_nchannels = 2;\r
 285                                 \r
 286                                 if(!frame->image_data().empty())\r
 287                                         fast_memcpy(reserved_frames_.front()->image_data(), frame->image_data().begin(), frame->image_data().size());\r
 288                                 else\r
 289                                         fast_memclr(reserved_frames_.front()->image_data(), reserved_frames_.front()->image_size());\r
 290 \r
 291                                 sync_timer_.restart();\r
 292                                 unsigned long n_field = 0;\r
 293                                 blue_->wait_output_video_synch(UPD_FMT_FRAME, n_field);\r
 294                                 graph_->update_value("sync-time", static_cast<float>(sync_timer_.elapsed()*format_desc_.fps*0.5));\r
 295 \r
 296                                 if(embedded_audio_)\r
 297                                 {               \r
 298                                         auto frame_audio_data = frame->audio_data().empty() ? silence.data() : const_cast<short*>(frame->audio_data().begin());\r
 299 \r
 300                                         encode_hanc(reinterpret_cast<BLUE_UINT32*>(reserved_frames_.front()->hanc_data()), frame_audio_data, audio_samples, audio_nchannels);\r
 301                                                                 \r
 302                                         blue_->system_buffer_write_async(const_cast<unsigned char*>(reserved_frames_.front()->image_data()), \r
 303                                                                                                         reserved_frames_.front()->image_size(), \r
 304                                                                                                         nullptr, \r
 305                                                                                                         BlueImage_HANC_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_IMAGE));\r
 306 \r
 307                                         blue_->system_buffer_write_async(reserved_frames_.front()->hanc_data(),\r
 308                                                                                                         reserved_frames_.front()->hanc_size(), \r
 309                                                                                                         nullptr,                 \r
 310                                                                                                         BlueImage_HANC_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_HANC));\r
 311 \r
 312                                         if(BLUE_FAIL(blue_->render_buffer_update(BlueBuffer_Image_HANC(reserved_frames_.front()->id()))))\r
 313                                                 CASPAR_LOG(warning) << print() << TEXT(" render_buffer_update failed.");\r
 314                                 }\r
 315                                 else\r
 316                                 {\r
 317                                         blue_->system_buffer_write_async(const_cast<unsigned char*>(reserved_frames_.front()->image_data()),\r
 318                                                                                                         reserved_frames_.front()->image_size(), \r
 319                                                                                                         nullptr,                 \r
 320                                                                                                         BlueImage_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_IMAGE));\r
 321                         \r
 322                                         if(BLUE_FAIL(blue_->render_buffer_update(BlueBuffer_Image(reserved_frames_.front()->id()))))\r
 323                                                 CASPAR_LOG(warning) << print() << TEXT(" render_buffer_update failed.");\r
 324                                 }\r
 325 \r
 326                                 std::rotate(reserved_frames_.begin(), reserved_frames_.begin() + 1, reserved_frames_.end());\r
 327                                 \r
 328                                 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
 329 \r
 330                                 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()*format_desc_.fps*0.5));\r
 331                                 tick_timer_.restart();\r
 332                         }\r
 333                         catch(...)\r
 334                         {\r
 335                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 336                         }\r
 337                 });\r
 338         }\r
 339 \r
 340         void encode_hanc(BLUE_UINT32* hanc_data, void* audio_data, size_t audio_samples, size_t audio_nchannels)\r
 341         {       \r
 342                 auto card_type = blue_->has_video_cardtype();\r
 343                 auto sample_type = (AUDIO_CHANNEL_16BIT | AUDIO_CHANNEL_LITTLEENDIAN);\r
 344                 \r
 345                 hanc_stream_info_struct hanc_stream_info;\r
 346                 memset(&hanc_stream_info, 0, sizeof(hanc_stream_info));\r
 347                 \r
 348                 hanc_stream_info.AudioDBNArray[0] = -1;\r
 349                 hanc_stream_info.AudioDBNArray[1] = -1;\r
 350                 hanc_stream_info.AudioDBNArray[2] = -1;\r
 351                 hanc_stream_info.AudioDBNArray[3] = -1;\r
 352                 hanc_stream_info.hanc_data_ptr = hanc_data;\r
 353                 hanc_stream_info.video_mode = vid_fmt_;\r
 354                 \r
 355                 auto emb_audio_flag = (blue_emb_audio_enable | blue_emb_audio_group1_enable);\r
 356 \r
 357                 if (!is_epoch_card(card_type))\r
 358                         encode_hanc_frame(&hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);  \r
 359                 else\r
 360                         encode_hanc_frame_ex(card_type, &hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);\r
 361         }\r
 362         \r
 363         std::wstring print() const\r
 364         {\r
 365                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"|" +  format_desc_.name + L"]";\r
 366         }\r
 367 };\r
 368 \r
 369 struct bluefish_consumer_proxy : public core::frame_consumer\r
 370 {\r
 371         std::unique_ptr<bluefish_consumer>      consumer_;\r
 372         const size_t                                            device_index_;\r
 373         const bool                                                      embedded_audio_;\r
 374         bool                                                            key_only_;\r
 375         size_t                                                          buffer_depth_;\r
 376 public:\r
 377 \r
 378         bluefish_consumer_proxy(size_t device_index, bool embedded_audio, bool key_only, size_t buffer_depth)\r
 379                 : device_index_(device_index)\r
 380                 , embedded_audio_(embedded_audio)\r
 381                 , key_only_(key_only)\r
 382                 , buffer_depth_(buffer_depth){}\r
 383         \r
 384         virtual void initialize(const core::video_format_desc& format_desc)\r
 385         {\r
 386                 consumer_.reset(new bluefish_consumer(format_desc, device_index_, embedded_audio_, buffer_depth_));\r
 387         }\r
 388         \r
 389         virtual void send(const safe_ptr<const core::read_frame>& frame)\r
 390         {\r
 391                 consumer_->send(frame);\r
 392         }\r
 393 \r
 394         virtual const core::video_format_desc& get_video_format_desc() const\r
 395         {\r
 396                 return consumer_->get_video_format_desc();\r
 397         }\r
 398         \r
 399         virtual std::wstring print() const\r
 400         {\r
 401                 return consumer_->print();\r
 402         }\r
 403 \r
 404         virtual bool key_only() const\r
 405         {\r
 406                 return key_only_;\r
 407         }\r
 408 \r
 409         virtual size_t buffer_depth() const\r
 410         {\r
 411                 return consumer_->executor_.capacity();\r
 412         }\r
 413 };      \r
 414 \r
 415 std::wstring get_bluefish_version()\r
 416 {\r
 417         try\r
 418         {\r
 419                 blue_initialize();\r
 420         }\r
 421         catch(...)\r
 422         {\r
 423                 return L"Not found";\r
 424         }\r
 425         if(!BlueVelvetVersion)\r
 426                 return L"Unknown";\r
 427 \r
 428         return widen(std::string(BlueVelvetVersion()));\r
 429 }\r
 430 \r
 431 std::vector<std::wstring> get_bluefish_device_list()\r
 432 {\r
 433         std::vector<std::wstring> devices;\r
 434 \r
 435         try\r
 436         {               \r
 437                 if(!BlueVelvetFactory4)\r
 438                         return devices;\r
 439 \r
 440                 std::shared_ptr<CBlueVelvet4> blue(BlueVelvetFactory4());\r
 441 \r
 442                 for(int n = 1; BLUE_PASS(blue->device_attach(n, FALSE)); ++n)\r
 443                 {                               \r
 444                         devices.push_back(std::wstring(get_card_desc(blue->has_video_cardtype())) + L" [" + boost::lexical_cast<std::wstring>(n) + L"]");\r
 445                         blue->device_detach();          \r
 446                 }\r
 447         }\r
 448         catch(...){}\r
 449 \r
 450         return devices;\r
 451 }\r
 452 \r
 453 safe_ptr<core::frame_consumer> create_bluefish_consumer(const std::vector<std::wstring>& params)\r
 454 {\r
 455         if(params.size() < 1 || params[0] != L"BLUEFISH")\r
 456                 return core::frame_consumer::empty();\r
 457                 \r
 458         int device_index = 1;\r
 459         if(params.size() > 1)\r
 460                 device_index = lexical_cast_or_default<int>(params[1], 1);\r
 461 \r
 462         bool embedded_audio = std::find(params.begin(), params.end(), L"EMBEDDED_AUDIO") != params.end();\r
 463         bool key_only           = std::find(params.begin(), params.end(), L"KEY_ONLY")           != params.end();\r
 464 \r
 465         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, 3);\r
 466 }\r
 467 \r
 468 safe_ptr<core::frame_consumer> create_bluefish_consumer(const boost::property_tree::ptree& ptree) \r
 469 {       \r
 470         auto device_index        = ptree.get("device",             1);\r
 471         auto embedded_audio  = ptree.get("embedded-audio", false);\r
 472         bool key_only            = ptree.get("key-only",           false);\r
 473         size_t buffer_depth  = ptree.get("buffer-depth",   3);\r
 474 \r
 475         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, buffer_depth);\r
 476 }\r
 477 \r
 478 }