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