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[casparcg] / 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         int preroll_count_;\r
139 \r
140         const bool embedded_audio_;\r
141         \r
142         executor executor_;\r
143 public:\r
144         bluefish_consumer(const core::video_format_desc& format_desc, unsigned int device_index, bool embedded_audio, size_t buffer_depth) \r
145                 : blue_(create_blue(device_index))\r
146                 , device_index_(device_index)\r
147                 , format_desc_(format_desc) \r
148                 , model_name_(get_card_desc(blue_->has_video_cardtype()))\r
149                 , vid_fmt_(get_video_mode(*blue_, format_desc)) \r
150                 , mem_fmt_(MEM_FMT_ARGB_PC)\r
151                 , upd_fmt_(UPD_FMT_FRAME)\r
152                 , res_fmt_(RES_FMT_NORMAL) \r
153                 , engine_mode_(VIDEO_ENGINE_FRAMESTORE) \r
154                 , preroll_count_(0)\r
155                 , embedded_audio_(embedded_audio)\r
156                 , executor_(print())\r
157         {\r
158                 executor_.set_capacity(buffer_depth);\r
159 \r
160                 graph_ = diagnostics::create_graph(narrow(print()));\r
161                 graph_->add_guide("tick-time", 0.5);\r
162                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
163                 graph_->add_guide("frame-time", 0.5f);  \r
164                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
165                 graph_->set_color("sync-time", diagnostics::color(0.5f, 1.0f, 0.2f));\r
166                 graph_->set_color("input-buffer", diagnostics::color(1.0f, 1.0f, 0.0f));\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(*reinterpret_cast<unsigned long*>(&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                 CASPAR_LOG(info) << print() << L" Successfully Initialized.";\r
231         }\r
232 \r
233         ~bluefish_consumer()\r
234         {\r
235                 executor_.clear();\r
236                 executor_.invoke([&]\r
237                 {\r
238                         disable_video_output();\r
239                         blue_->device_detach();         \r
240                 });\r
241                 \r
242                 CASPAR_LOG(info) << print() << L" Shutting down.";      \r
243         }\r
244         \r
245         const core::video_format_desc& get_video_format_desc() const\r
246         {\r
247                 return format_desc_;\r
248         }\r
249 \r
250         void enable_video_output()\r
251         {\r
252                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 0)))\r
253                         CASPAR_LOG(error) << print() << TEXT(" Failed to disable video output.");       \r
254         }\r
255 \r
256         void disable_video_output()\r
257         {\r
258                 if(!BLUE_PASS(set_card_property(blue_, VIDEO_BLACKGENERATOR, 1)))\r
259                         CASPAR_LOG(error)<< print() << TEXT(" Failed to disable video output.");                \r
260         }\r
261         \r
262         void send(const safe_ptr<const core::read_frame>& frame)\r
263         {       \r
264                 if(preroll_count_ < executor_.capacity())\r
265                 {\r
266                         while(preroll_count_++ < executor_.capacity())\r
267                                 schedule_next_video(core::read_frame::empty());\r
268                 }\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                                 const size_t audio_samples       = format_desc_.audio_samples_per_frame;\r
282                                 const size_t audio_nchannels = format_desc_.audio_channels;\r
283 \r
284                                 frame_timer_.restart();\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                         graph_->set_value("input-buffer", static_cast<double>(executor_.size())/static_cast<double>(executor_.capacity()));\r
338                 });\r
339                 graph_->set_value("input-buffer", static_cast<double>(executor_.size())/static_cast<double>(executor_.capacity()));\r
340         }\r
341 \r
342         void encode_hanc(BLUE_UINT32* hanc_data, void* audio_data, size_t audio_samples, size_t audio_nchannels)\r
343         {       \r
344                 auto card_type = blue_->has_video_cardtype();\r
345                 auto sample_type = (AUDIO_CHANNEL_16BIT | AUDIO_CHANNEL_LITTLEENDIAN);\r
346                 \r
347                 hanc_stream_info_struct hanc_stream_info;\r
348                 memset(&hanc_stream_info, 0, sizeof(hanc_stream_info));\r
349                 \r
350                 hanc_stream_info.AudioDBNArray[0] = -1;\r
351                 hanc_stream_info.AudioDBNArray[1] = -1;\r
352                 hanc_stream_info.AudioDBNArray[2] = -1;\r
353                 hanc_stream_info.AudioDBNArray[3] = -1;\r
354                 hanc_stream_info.hanc_data_ptr = hanc_data;\r
355                 hanc_stream_info.video_mode = vid_fmt_;\r
356                 \r
357                 auto emb_audio_flag = (blue_emb_audio_enable | blue_emb_audio_group1_enable);\r
358 \r
359                 if (!is_epoch_card(card_type))\r
360                         encode_hanc_frame(&hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);  \r
361                 else\r
362                         encode_hanc_frame_ex(card_type, &hanc_stream_info, audio_data, audio_nchannels, audio_samples, sample_type, emb_audio_flag);\r
363         }\r
364         \r
365         std::wstring print() const\r
366         {\r
367                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"|" +  format_desc_.name + L"]";\r
368         }\r
369 };\r
370 \r
371 struct bluefish_consumer_proxy : public core::frame_consumer\r
372 {\r
373         std::unique_ptr<bluefish_consumer>      consumer_;\r
374         const size_t                                            device_index_;\r
375         const bool                                                      embedded_audio_;\r
376         bool                                                            key_only_;\r
377         size_t                                                          buffer_depth_;\r
378 public:\r
379 \r
380         bluefish_consumer_proxy(size_t device_index, bool embedded_audio, bool key_only, size_t buffer_depth)\r
381                 : device_index_(device_index)\r
382                 , embedded_audio_(embedded_audio)\r
383                 , key_only_(key_only)\r
384                 , buffer_depth_(buffer_depth){}\r
385         \r
386         virtual void initialize(const core::video_format_desc& format_desc)\r
387         {\r
388                 consumer_.reset(new bluefish_consumer(format_desc, device_index_, embedded_audio_, buffer_depth_));\r
389         }\r
390         \r
391         virtual void send(const safe_ptr<const core::read_frame>& frame)\r
392         {\r
393                 consumer_->send(frame);\r
394         }\r
395 \r
396         virtual const core::video_format_desc& get_video_format_desc() const\r
397         {\r
398                 return consumer_->get_video_format_desc();\r
399         }\r
400         \r
401         virtual std::wstring print() const\r
402         {\r
403                 return consumer_->print();\r
404         }\r
405 \r
406         virtual bool key_only() const\r
407         {\r
408                 return key_only_;\r
409         }\r
410 \r
411         virtual size_t buffer_depth() const\r
412         {\r
413                 return consumer_->executor_.capacity();\r
414         }\r
415 };      \r
416 \r
417 std::wstring get_bluefish_version()\r
418 {\r
419         try\r
420         {\r
421                 blue_initialize();\r
422         }\r
423         catch(...)\r
424         {\r
425                 return L"Not found";\r
426         }\r
427         if(!BlueVelvetVersion)\r
428                 return L"Unknown";\r
429 \r
430         return widen(std::string(BlueVelvetVersion()));\r
431 }\r
432 \r
433 std::vector<std::wstring> get_bluefish_device_list()\r
434 {\r
435         std::vector<std::wstring> devices;\r
436 \r
437         try\r
438         {               \r
439                 if(!BlueVelvetFactory4)\r
440                         return devices;\r
441 \r
442                 std::shared_ptr<CBlueVelvet4> blue(BlueVelvetFactory4());\r
443 \r
444                 for(int n = 1; BLUE_PASS(blue->device_attach(n, FALSE)); ++n)\r
445                 {                               \r
446                         devices.push_back(std::wstring(get_card_desc(blue->has_video_cardtype())) + L" [" + boost::lexical_cast<std::wstring>(n) + L"]");\r
447                         blue->device_detach();          \r
448                 }\r
449         }\r
450         catch(...){}\r
451 \r
452         return devices;\r
453 }\r
454 \r
455 safe_ptr<core::frame_consumer> create_bluefish_consumer(const std::vector<std::wstring>& params)\r
456 {\r
457         if(params.size() < 1 || params[0] != L"BLUEFISH")\r
458                 return core::frame_consumer::empty();\r
459                 \r
460         int device_index = 1;\r
461         if(params.size() > 1)\r
462                 device_index = lexical_cast_or_default<int>(params[1], 1);\r
463 \r
464         bool embedded_audio = std::find(params.begin(), params.end(), L"EMBEDDED_AUDIO") != params.end();\r
465         bool key_only           = std::find(params.begin(), params.end(), L"KEY_ONLY")           != params.end();\r
466 \r
467         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, 3);\r
468 }\r
469 \r
470 safe_ptr<core::frame_consumer> create_bluefish_consumer(const boost::property_tree::ptree& ptree) \r
471 {       \r
472         auto device_index        = ptree.get("device",             1);\r
473         auto embedded_audio  = ptree.get("embedded-audio", false);\r
474         bool key_only            = ptree.get("key-only",           false);\r
475         size_t buffer_depth  = ptree.get("buffer-depth",   3);\r
476 \r
477         return make_safe<bluefish_consumer_proxy>(device_index, embedded_audio, key_only, buffer_depth);\r
478 }\r
479 \r
480 }