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 safe_ptr<CBlueVelvet4> create_blue(size_t device_index)\r
  87 {\r
  88         if(!BlueVelvetFactory4 || !encode_hanc_frame || !encode_hanc_frame)\r
  89                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Bluefish drivers not found."));\r
  90 \r
  91         auto blue = safe_ptr<CBlueVelvet4>(BlueVelvetFactory4());\r
  92         \r
  93         if(BLUE_FAIL(blue->device_attach(device_index, FALSE))) \r
  94                 BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info("Failed to attach device."));\r
  95 \r
  96         return blue;\r
  97 }\r
  98 \r
  99 EVideoMode get_video_mode(CBlueVelvet4& blue, const core::video_format_desc& format_desc)\r
 100 {\r
 101         EVideoMode vid_fmt = VID_FMT_INVALID;\r
 102         auto desiredVideoFormat = vid_fmt_from_video_format(format_desc.format);\r
 103         int videoModeCount = blue.count_video_mode();\r
 104         for(int videoModeIndex = 1; videoModeIndex <= videoModeCount; ++videoModeIndex) \r
 105         {\r
 106                 EVideoMode videoMode = blue.enum_video_mode(videoModeIndex);\r
 107                 if(videoMode == desiredVideoFormat) \r
 108                         vid_fmt = videoMode;                    \r
 109         }\r
 110         if(vid_fmt == VID_FMT_INVALID)\r
 111                 BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info("Failed get videomode.") << arg_value_info(narrow(format_desc.name)));\r
 112 \r
 113         return vid_fmt;\r
 114 }\r
 115                 \r
 116 struct bluefish_consumer : boost::noncopyable\r
 117 {\r
 118         safe_ptr<CBlueVelvet4>                          blue_;\r
 119         const unsigned int                                      device_index_;\r
 120         const core::video_format_desc           format_desc_;\r
 121 \r
 122         const std::wstring                                      model_name_;\r
 123 \r
 124         std::shared_ptr<diagnostics::graph> graph_;\r
 125         boost::timer                                            frame_timer_;\r
 126         boost::timer                                            tick_timer_;\r
 127         boost::timer                                            sync_timer_;    \r
 128                 \r
 129         const EVideoMode                                        vid_fmt_; \r
 130         const EMemoryFormat                                     mem_fmt_;\r
 131         const EUpdateMethod                                     upd_fmt_;\r
 132         const EResoFormat                                       res_fmt_; \r
 133         EEngineMode                                                     engine_mode_;\r
 134         \r
 135         std::array<blue_dma_buffer_ptr, 4> reserved_frames_;    \r
 136         tbb::concurrent_bounded_queue<std::shared_ptr<const core::read_frame>> frame_buffer_;\r
 137 \r
 138         const bool embedded_audio_;\r
 139         \r
 140         executor executor_;\r
 141 public:\r
 142         bluefish_consumer(const core::video_format_desc& format_desc, unsigned int device_index, bool embedded_audio, size_t buffer_depth) \r
 143                 : blue_(create_blue(device_index))\r
 144                 , device_index_(device_index)\r
 145                 , format_desc_(format_desc) \r
 146                 , model_name_(get_card_desc(blue_->has_video_cardtype()))\r
 147                 , vid_fmt_(get_video_mode(*blue_, format_desc)) \r
 148                 , mem_fmt_(MEM_FMT_ARGB_PC)\r
 149                 , upd_fmt_(UPD_FMT_FRAME)\r
 150                 , res_fmt_(RES_FMT_NORMAL) \r
 151                 , engine_mode_(VIDEO_ENGINE_FRAMESTORE)         \r
 152                 , embedded_audio_(embedded_audio)\r
 153                 , executor_(print())\r
 154         {\r
 155                 executor_.set_capacity(buffer_depth);\r
 156 \r
 157                 graph_ = diagnostics::create_graph(narrow(print()));\r
 158                 graph_->add_guide("tick-time", 0.5);\r
 159                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
 160                 graph_->add_guide("frame-time", 0.5f);  \r
 161                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
 162                 graph_->set_color("sync-time", diagnostics::color(0.5f, 1.0f, 0.2f));\r
 163                         \r
 164                 //Setting output Video mode\r
 165                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_MODE, vid_fmt_))) \r
 166                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set videomode."));\r
 167 \r
 168                 //Select Update Mode for output\r
 169                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_UPDATE_TYPE, upd_fmt_))) \r
 170                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set update type."));\r
 171         \r
 172                 disable_video_output();\r
 173 \r
 174                 //Enable dual link output\r
 175                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_DUAL_LINK_OUTPUT, 1)))\r
 176                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to enable dual link."));\r
 177 \r
 178                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_DUAL_LINK_OUTPUT_SIGNAL_FORMAT_TYPE, Signal_FormatType_4224)))\r
 179                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set dual link format type to 4:2:2:4."));\r
 180                         \r
 181                 //Select output memory format\r
 182                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_MEMORY_FORMAT, mem_fmt_))) \r
 183                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set memory format."));\r
 184                 \r
 185                 //Select image orientation\r
 186                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_IMAGE_ORIENTATION, ImageOrientation_Normal)))\r
 187                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set image orientation to normal.");  \r
 188 \r
 189                 // Select data range\r
 190                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_RGB_DATA_RANGE, CGR_RANGE))) \r
 191                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set RGB data range to CGR.");        \r
 192                 \r
 193                 if(BLUE_FAIL(set_card_property(blue_, VIDEO_PREDEFINED_COLOR_MATRIX, vid_fmt_ == VID_FMT_PAL ? MATRIX_601_CGR : MATRIX_709_CGR)))\r
 194                         CASPAR_LOG(warning) << print() << TEXT(" Failed to set colormatrix to ") << (vid_fmt_ == VID_FMT_PAL ? TEXT("601 CGR") : TEXT("709 CGR")) << TEXT(".");\r
 195 \r
 196                 if(!embedded_audio_)\r
 197                 {\r
 198                         if(BLUE_FAIL(set_card_property(blue_, EMBEDEDDED_AUDIO_OUTPUT, 0))) \r
 199                                 CASPAR_LOG(warning) << TEXT("BLUECARD ERROR: Failed to disable embedded audio.");                       \r
 200                         CASPAR_LOG(info) << print() << TEXT(" Disabled embedded-audio.");\r
 201                 }\r
 202                 else\r
 203                 {\r
 204                         if(BLUE_FAIL(set_card_property(blue_, EMBEDEDDED_AUDIO_OUTPUT, blue_emb_audio_enable | blue_emb_audio_group1_enable))) \r
 205                                 CASPAR_LOG(warning) << print() << TEXT(" Failed to enable embedded audio.");                    \r
 206                         CASPAR_LOG(info) << print() << TEXT(" Enabled embedded-audio.");\r
 207                 }\r
 208                 \r
 209                 if (blue_->has_output_key()) \r
 210                 {\r
 211                         int dummy = TRUE; int v4444 = FALSE; int invert = FALSE; int white = FALSE;\r
 212                         blue_->set_output_key(dummy, v4444, invert, white);\r
 213                 }\r
 214 \r
 215                 if(blue_->GetHDCardType(device_index_) != CRD_HD_INVALID) \r
 216                         blue_->Set_DownConverterSignalType(vid_fmt_ == VID_FMT_PAL ? SD_SDI : HD_SDI);  \r
 217         \r
 218                 if(BLUE_FAIL(blue_->set_video_engine(*reinterpret_cast<unsigned long*>(&engine_mode_))))\r
 219                         BOOST_THROW_EXCEPTION(bluefish_exception() << msg_info(narrow(print()) + " Failed to set video engine."));\r
 220 \r
 221                 enable_video_output();\r
 222                                                 \r
 223                 for(size_t n = 0; n < reserved_frames_.size(); ++n)\r
 224                         reserved_frames_[n] = std::make_shared<blue_dma_buffer>(format_desc_.size, n);  \r
 225 \r
 226                 for(int n = 0; n < executor_.capacity(); ++n)\r
 227                         schedule_next_video(core::read_frame::empty());\r
 228                                                 \r
 229                 CASPAR_LOG(info) << print() << L" Successfully Initialized.";\r
 230         }\r
 231 \r
 232         ~bluefish_consumer()\r
 233         {\r
 234                 executor_.invoke([&]\r
 235                 {\r
 236                         disable_video_output();\r
 237                         blue_->device_detach();         \r
 238                 });\r
 239                 \r
 240                 CASPAR_LOG(info) << print() << L" Shutting down.";      \r
 241         }\r
 242         \r
 243         const core::video_format_desc& get_video_format_desc() const\r
 244         {\r
 245                 return format_desc_;\r
 246         }\r
 247 \r
 248         void enable_video_output()\r
 249         {\r
 250                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 0)))\r
 251                         CASPAR_LOG(error) << print() << TEXT(" Failed to disable video output.");       \r
 252         }\r
 253 \r
 254         void disable_video_output()\r
 255         {\r
 256                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 1)))\r
 257                         CASPAR_LOG(error)<< print() << TEXT(" Failed to disable video output.");                \r
 258         }\r
 259         \r
 260         void send(const safe_ptr<const core::read_frame>& frame)\r
 261         {                       \r
 262                 schedule_next_video(frame);                     \r
 263         }\r
 264         \r
 265         void schedule_next_video(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                 executor_.begin_invoke([=]\r
 270                 {\r
 271                         try\r
 272                         {\r
 273                                 frame_timer_.restart();\r
 274 \r
 275                                 const size_t audio_samples = static_cast<size_t>(48000.0 / format_desc_.fps);\r
 276                                 const size_t audio_nchannels = 2;\r
 277                                 \r
 278                                 if(!frame->image_data().empty())\r
 279                                         fast_memcpy(reserved_frames_.front()->image_data(), frame->image_data().begin(), frame->image_data().size());\r
 280                                 else\r
 281                                         fast_memclr(reserved_frames_.front()->image_data(), reserved_frames_.front()->image_size());\r
 282 \r
 283                                 sync_timer_.restart();\r
 284                                 unsigned long n_field = 0;\r
 285                                 blue_->wait_output_video_synch(UPD_FMT_FRAME, n_field);\r
 286                                 graph_->update_value("sync-time", static_cast<float>(sync_timer_.elapsed()*format_desc_.fps*0.5));\r
 287 \r
 288                                 if(embedded_audio_)\r
 289                                 {               \r
 290                                         auto frame_audio_data = frame->audio_data().empty() ? silence.data() : const_cast<short*>(frame->audio_data().begin());\r
 291 \r
 292                                         encode_hanc(reinterpret_cast<BLUE_UINT32*>(reserved_frames_.front()->hanc_data()), frame_audio_data, audio_samples, audio_nchannels);\r
 293                                                                 \r
 294                                         blue_->system_buffer_write_async(const_cast<unsigned char*>(reserved_frames_.front()->image_data()), \r
 295                                                                                                         reserved_frames_.front()->image_size(), \r
 296                                                                                                         nullptr, \r
 297                                                                                                         BlueImage_HANC_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_IMAGE));\r
 298 \r
 299                                         blue_->system_buffer_write_async(reserved_frames_.front()->hanc_data(),\r
 300                                                                                                         reserved_frames_.front()->hanc_size(), \r
 301                                                                                                         nullptr,                 \r
 302                                                                                                         BlueImage_HANC_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_HANC));\r
 303 \r
 304                                         if(BLUE_FAIL(blue_->render_buffer_update(BlueBuffer_Image_HANC(reserved_frames_.front()->id()))))\r
 305                                                 CASPAR_LOG(warning) << print() << TEXT(" render_buffer_update failed.");\r
 306                                 }\r
 307                                 else\r
 308                                 {\r
 309                                         blue_->system_buffer_write_async(const_cast<unsigned char*>(reserved_frames_.front()->image_data()),\r
 310                                                                                                         reserved_frames_.front()->image_size(), \r
 311                                                                                                         nullptr,                 \r
 312                                                                                                         BlueImage_DMABuffer(reserved_frames_.front()->id(), BLUE_DATA_IMAGE));\r
 313                         \r
 314                                         if(BLUE_FAIL(blue_->render_buffer_update(BlueBuffer_Image(reserved_frames_.front()->id()))))\r
 315                                                 CASPAR_LOG(warning) << print() << TEXT(" render_buffer_update failed.");\r
 316                                 }\r
 317 \r
 318                                 std::rotate(reserved_frames_.begin(), reserved_frames_.begin() + 1, reserved_frames_.end());\r
 319                                 \r
 320                                 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
 321 \r
 322                                 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()*format_desc_.fps*0.5));\r
 323                                 tick_timer_.restart();\r
 324                         }\r
 325                         catch(...)\r
 326                         {\r
 327                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 328                         }\r
 329                 });\r
 330         }\r
 331 \r
 332         void encode_hanc(BLUE_UINT32* hanc_data, void* audio_data, size_t audio_samples, size_t audio_nchannels)\r
 333         {       \r
 334                 auto card_type = blue_->has_video_cardtype();\r
 335                 auto sample_type = (AUDIO_CHANNEL_16BIT | AUDIO_CHANNEL_LITTLEENDIAN);\r
 336                 \r
 337                 hanc_stream_info_struct hanc_stream_info;\r
 338                 memset(&hanc_stream_info, 0, sizeof(hanc_stream_info));\r
 339                 \r
 340                 hanc_stream_info.AudioDBNArray[0] = -1;\r
 341                 hanc_stream_info.AudioDBNArray[1] = -1;\r
 342                 hanc_stream_info.AudioDBNArray[2] = -1;\r
 343                 hanc_stream_info.AudioDBNArray[3] = -1;\r
 344                 hanc_stream_info.hanc_data_ptr = hanc_data;\r
 345                 hanc_stream_info.video_mode = vid_fmt_;\r
 346                 \r
 347                 auto emb_audio_flag = (blue_emb_audio_enable | blue_emb_audio_group1_enable);\r
 348 \r
 349                 if (!is_epoch_card(card_type))\r
 350                         encode_hanc_frame(&hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);  \r
 351                 else\r
 352                         encode_hanc_frame_ex(card_type, &hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);\r
 353         }\r
 354         \r
 355         std::wstring print() const\r
 356         {\r
 357                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"|" +  format_desc_.name + L"]";\r
 358         }\r
 359 };\r
 360 \r
 361 struct bluefish_consumer_proxy : public core::frame_consumer\r
 362 {\r
 363         std::unique_ptr<bluefish_consumer>      consumer_;\r
 364         const size_t                                            device_index_;\r
 365         const bool                                                      embedded_audio_;\r
 366         bool                                                            key_only_;\r
 367         size_t                                                          buffer_depth_;\r
 368 public:\r
 369 \r
 370         bluefish_consumer_proxy(size_t device_index, bool embedded_audio, bool key_only, size_t buffer_depth)\r
 371                 : device_index_(device_index)\r
 372                 , embedded_audio_(embedded_audio)\r
 373                 , key_only_(key_only)\r
 374                 , buffer_depth_(buffer_depth){}\r
 375         \r
 376         virtual void initialize(const core::video_format_desc& format_desc)\r
 377         {\r
 378                 consumer_.reset(new bluefish_consumer(format_desc, device_index_, embedded_audio_, buffer_depth_));\r
 379         }\r
 380         \r
 381         virtual void send(const safe_ptr<const core::read_frame>& frame)\r
 382         {\r
 383                 consumer_->send(frame);\r
 384         }\r
 385 \r
 386         virtual const core::video_format_desc& get_video_format_desc() const\r
 387         {\r
 388                 return consumer_->get_video_format_desc();\r
 389         }\r
 390         \r
 391         virtual std::wstring print() const\r
 392         {\r
 393                 return consumer_->print();\r
 394         }\r
 395 \r
 396         virtual bool key_only() const\r
 397         {\r
 398                 return key_only_;\r
 399         }\r
 400 \r
 401         virtual size_t buffer_depth() const\r
 402         {\r
 403                 return consumer_->executor_.capacity();\r
 404         }\r
 405 };      \r
 406 \r
 407 std::wstring get_bluefish_version()\r
 408 {\r
 409         try\r
 410         {\r
 411                 blue_initialize();\r
 412         }\r
 413         catch(...)\r
 414         {\r
 415                 return L"Not found";\r
 416         }\r
 417         if(!BlueVelvetVersion)\r
 418                 return L"Unknown";\r
 419 \r
 420         return widen(std::string(BlueVelvetVersion()));\r
 421 }\r
 422 \r
 423 std::vector<std::wstring> get_bluefish_device_list()\r
 424 {\r
 425         std::vector<std::wstring> devices;\r
 426 \r
 427         try\r
 428         {               \r
 429                 if(!BlueVelvetFactory4)\r
 430                         return devices;\r
 431 \r
 432                 std::shared_ptr<CBlueVelvet4> blue(BlueVelvetFactory4());\r
 433 \r
 434                 for(int n = 1; BLUE_PASS(blue->device_attach(n, FALSE)); ++n)\r
 435                 {                               \r
 436                         devices.push_back(std::wstring(get_card_desc(blue->has_video_cardtype())) + L" [" + boost::lexical_cast<std::wstring>(n) + L"]");\r
 437                         blue->device_detach();          \r
 438                 }\r
 439         }\r
 440         catch(...){}\r
 441 \r
 442         return devices;\r
 443 }\r
 444 \r
 445 safe_ptr<core::frame_consumer> create_bluefish_consumer(const std::vector<std::wstring>& params)\r
 446 {\r
 447         if(params.size() < 1 || params[0] != L"BLUEFISH")\r
 448                 return core::frame_consumer::empty();\r
 449                 \r
 450         int device_index = 1;\r
 451         if(params.size() > 1)\r
 452                 device_index = lexical_cast_or_default<int>(params[1], 1);\r
 453 \r
 454         bool embedded_audio = std::find(params.begin(), params.end(), L"EMBEDDED_AUDIO") != params.end();\r
 455         bool key_only           = std::find(params.begin(), params.end(), L"KEY_ONLY")           != params.end();\r
 456 \r
 457         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, 3);\r
 458 }\r
 459 \r
 460 safe_ptr<core::frame_consumer> create_bluefish_consumer(const boost::property_tree::ptree& ptree) \r
 461 {       \r
 462         auto device_index        = ptree.get("device",             1);\r
 463         auto embedded_audio  = ptree.get("embedded-audio", false);\r
 464         bool key_only            = ptree.get("key-only",           false);\r
 465         size_t buffer_depth  = ptree.get("buffer-depth",   3);\r
 466 \r
 467         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, buffer_depth);\r
 468 }\r
 469 \r
 470 }