git.sesse.net Git - casparcg/blob - modules/decklink/producer/decklink_producer.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 "decklink_producer.h"\r
  24 \r
  25 #include "../interop/DeckLinkAPI_h.h" // TODO: Change this\r
  26 #include "../util/util.h" // TODO: Change this\r
  27 \r
  28 #include <common/diagnostics/graph.h>\r
  29 #include <common/concurrency/executor.h>\r
  30 #include <common/exception/exceptions.h>\r
  31 #include <common/utility/timer.h>\r
  32 \r
  33 #include <core/producer/frame/frame_factory.h>\r
  34 #include <core/producer/frame/write_frame.h>\r
  35 \r
  36 #include <tbb/concurrent_queue.h>\r
  37 #include <tbb/atomic.h>\r
  38 \r
  39 #include <boost/algorithm/string.hpp>\r
  40 \r
  41 #pragma warning(push)\r
  42 #pragma warning(disable : 4996)\r
  43 \r
  44         #include <atlbase.h>\r
  45 \r
  46         #include <atlcom.h>\r
  47         #include <atlhost.h>\r
  48 \r
  49 #pragma warning(push)\r
  50 \r
  51 #include <functional>\r
  52 \r
  53 namespace caspar { \r
  54 \r
  55 class decklink_input : public IDeckLinkInputCallback\r
  56 {\r
  57         struct co_init\r
  58         {\r
  59                 co_init(){CoInitialize(nullptr);}\r
  60                 ~co_init(){CoUninitialize();}\r
  61         } co_;\r
  62 \r
  63         const core::video_format_desc format_desc_;\r
  64         std::wstring model_name_;\r
  65         const size_t device_index_;\r
  66 \r
  67         std::shared_ptr<diagnostics::graph> graph_;\r
  68         timer perf_timer_;\r
  69 \r
  70         CComPtr<IDeckLink>                      decklink_;\r
  71         CComQIPtr<IDeckLinkInput>       input_;\r
  72         IDeckLinkDisplayMode*           d_mode_;\r
  73 \r
  74         std::vector<short>                      audio_data_;\r
  75 \r
  76         std::shared_ptr<core::frame_factory> frame_factory_;\r
  77 \r
  78         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
  79         safe_ptr<core::basic_frame> tail_;\r
  80 \r
  81 public:\r
  82         decklink_input(const core::video_format_desc& format_desc, size_t device_index, const std::shared_ptr<core::frame_factory>& frame_factory)\r
  83                 : format_desc_(format_desc)\r
  84                 , device_index_(device_index)\r
  85                 , model_name_(L"decklink")\r
  86                 , frame_factory_(frame_factory)\r
  87                 , tail_(core::basic_frame::empty())\r
  88         {\r
  89                 frame_buffer_.set_capacity(4);\r
  90                 \r
  91                 CComPtr<IDeckLinkIterator> pDecklinkIterator;\r
  92                 if(FAILED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))\r
  93                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " No Decklink drivers installed."));\r
  94 \r
  95                 size_t n = 0;\r
  96                 while(n < device_index_ && pDecklinkIterator->Next(&decklink_) == S_OK){++n;}   \r
  97 \r
  98                 if(n != device_index_ || !decklink_)\r
  99                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Decklink card not found.") << arg_name_info("device_index") << arg_value_info(boost::lexical_cast<std::string>(device_index_)));\r
 100 \r
 101                 input_ = decklink_;\r
 102 \r
 103                 BSTR pModelName;\r
 104                 decklink_->GetModelName(&pModelName);\r
 105                 model_name_ = std::wstring(pModelName);\r
 106 \r
 107                 graph_ = diagnostics::create_graph(boost::bind(&decklink_input::print, this));\r
 108                 graph_->add_guide("tick-time", 0.5);\r
 109                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
 110                 \r
 111                 unsigned long decklinkVideoFormat = GetDecklinkVideoFormat(format_desc.format);\r
 112                 if(decklinkVideoFormat == ULONG_MAX) \r
 113                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Card does not support requested videoformat."));\r
 114 \r
 115                 d_mode_ = get_display_mode((BMDDisplayMode)decklinkVideoFormat);\r
 116                 if(d_mode_ == nullptr) \r
 117                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Card does not support requested videoformat."));\r
 118 \r
 119                 BMDDisplayModeSupport displayModeSupport;\r
 120                 if(FAILED(input_->DoesSupportVideoMode((BMDDisplayMode)decklinkVideoFormat, bmdFormat8BitYUV, bmdVideoOutputFlagDefault, &displayModeSupport, nullptr)))\r
 121                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Card does not support requested videoformat."));\r
 122 \r
 123                 // NOTE: bmdFormat8BitARGB does not seem to work with Decklink HD Extreme 3D\r
 124                 if(FAILED(input_->EnableVideoInput((BMDDisplayMode)decklinkVideoFormat, bmdFormat8BitYUV, 0))) \r
 125                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Could not enable video input."));\r
 126 \r
 127                 if(FAILED(input_->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType16bitInteger, 2))) \r
 128                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Could not enable audio input."));\r
 129                         \r
 130                 if (FAILED(input_->SetCallback(this)) != S_OK)\r
 131                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to set input callback."));\r
 132                         \r
 133                 if(FAILED(input_->StartStreams()))\r
 134                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start input stream."));\r
 135 \r
 136                 CASPAR_LOG(info) << print() << " successfully initialized decklink for " << format_desc_.name;\r
 137         }\r
 138 \r
 139         ~decklink_input()\r
 140         {\r
 141                 if(input_ != nullptr) \r
 142                 {\r
 143                         input_->StopStreams();\r
 144                         input_->DisableVideoInput();\r
 145                 }\r
 146         }\r
 147 \r
 148         virtual HRESULT STDMETHODCALLTYPE       QueryInterface (REFIID, LPVOID*)        {return E_NOINTERFACE;}\r
 149         virtual ULONG STDMETHODCALLTYPE         AddRef ()                                                       {return 1;}\r
 150         virtual ULONG STDMETHODCALLTYPE         Release ()                                                      {return 1;}\r
 151                 \r
 152         virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents /*notificationEvents*/, IDeckLinkDisplayMode* newDisplayMode, BMDDetectedVideoInputFormatFlags /*detectedSignalFlags*/)\r
 153         {\r
 154                 d_mode_ = newDisplayMode;\r
 155                 return S_OK;\r
 156         }\r
 157 \r
 158         // TODO: Enable audio input\r
 159         virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame* video, IDeckLinkAudioInputPacket* audio)\r
 160         {       \r
 161                 graph_->update_value("tick-time", static_cast<float>(perf_timer_.elapsed()/format_desc_.interval*0.5));\r
 162                 perf_timer_.reset();\r
 163 \r
 164                 if(!video)\r
 165                         return S_OK;            \r
 166                                 \r
 167                 void* bytes = nullptr;\r
 168                 if(FAILED(video->GetBytes(&bytes)))\r
 169                         return S_OK;\r
 170 \r
 171                 core::pixel_format_desc desc;\r
 172                 desc.pix_fmt = core::pixel_format::ycbcr;\r
 173                 desc.planes.push_back(core::pixel_format_desc::plane(d_mode_->GetWidth(),   d_mode_->GetHeight(), 1));\r
 174                 desc.planes.push_back(core::pixel_format_desc::plane(d_mode_->GetWidth()/2, d_mode_->GetHeight(), 1));\r
 175                 desc.planes.push_back(core::pixel_format_desc::plane(d_mode_->GetWidth()/2, d_mode_->GetHeight(), 1));                  \r
 176                 auto frame = frame_factory_->create_frame(this, desc);\r
 177 \r
 178                 unsigned char* data = reinterpret_cast<unsigned char*>(bytes);\r
 179                 int frame_size = (d_mode_->GetWidth() * 16 / 8) * d_mode_->GetHeight();\r
 180 \r
 181                 // Convert to planar YUV422\r
 182                 unsigned char* y  = frame->image_data(0).begin();\r
 183                 unsigned char* cb = frame->image_data(1).begin();\r
 184                 unsigned char* cr = frame->image_data(2).begin();\r
 185                 \r
 186                 tbb::parallel_for(tbb::blocked_range<size_t>(0, frame_size/4), [&](const tbb::blocked_range<size_t>& r)\r
 187                 {\r
 188                         for(auto n = r.begin(); n != r.end(); ++n)\r
 189                         {\r
 190                                 cb[n]     = data[n*4+0];\r
 191                                 y [n*2+0] = data[n*4+1];\r
 192                                 cr[n]     = data[n*4+2];\r
 193                                 y [n*2+1] = data[n*4+3];\r
 194                         }\r
 195                 });\r
 196 \r
 197                 if(audio && SUCCEEDED(audio->GetBytes(&bytes)))\r
 198                 {\r
 199                         auto sample_frame_count = audio->GetSampleFrameCount();\r
 200                         auto audio_data = reinterpret_cast<short*>(bytes);\r
 201                         audio_data_.insert(audio_data_.end(), audio_data, audio_data + sample_frame_count*2);\r
 202 \r
 203                         if(audio_data_.size() > 3840)\r
 204                         {\r
 205                                 frame->audio_data() = std::vector<short>(audio_data_.begin(), audio_data_.begin() + 3840);\r
 206                                 audio_data_.erase(audio_data_.begin(), audio_data_.begin() + 3840);\r
 207                                 frame_buffer_.try_push(frame);\r
 208                         }\r
 209                 }\r
 210                 else\r
 211                         frame_buffer_.try_push(frame);\r
 212 \r
 213                 return S_OK;\r
 214         }\r
 215 \r
 216         IDeckLinkDisplayMode* get_display_mode(BMDDisplayMode mode)\r
 217         {       \r
 218                 CComPtr<IDeckLinkDisplayModeIterator>   iterator;\r
 219                 IDeckLinkDisplayMode*                                   d_mode;\r
 220         \r
 221                 if (input_->GetDisplayModeIterator(&iterator) != S_OK)\r
 222                         return nullptr;\r
 223 \r
 224                 while (iterator->Next(&d_mode) == S_OK)\r
 225                 {\r
 226                         if(d_mode->GetDisplayMode() == mode)\r
 227                                 return d_mode;\r
 228                 }\r
 229                 return nullptr;\r
 230         }\r
 231 \r
 232         safe_ptr<core::basic_frame> get_frame()\r
 233         {\r
 234                 frame_buffer_.try_pop(tail_);\r
 235                 return tail_;\r
 236         }\r
 237         \r
 238         std::wstring print() const\r
 239         {\r
 240                 return L" [" + model_name_ + L"device:" + boost::lexical_cast<std::wstring>(device_index_) + L"]";\r
 241         }\r
 242 };\r
 243         \r
 244 class decklink_producer : public core::frame_producer\r
 245 {       \r
 246         const size_t device_index_;\r
 247 \r
 248         std::unique_ptr<decklink_input> input_;\r
 249         \r
 250         const core::video_format_desc format_desc_;\r
 251         \r
 252         executor executor_;\r
 253 public:\r
 254 \r
 255         explicit decklink_producer(const safe_ptr<core::frame_factory>& frame_factory, const core::video_format_desc& format_desc, size_t device_index)\r
 256                 : format_desc_(format_desc) \r
 257                 , device_index_(device_index)\r
 258                 , executor_(L"decklink_producer", true)\r
 259         {\r
 260                 executor_.invoke([=]\r
 261                 {\r
 262                         input_.reset(new decklink_input(format_desc_, device_index_, frame_factory));\r
 263                 });\r
 264         }\r
 265 \r
 266         ~decklink_producer()\r
 267         {       \r
 268                 executor_.invoke([this]\r
 269                 {\r
 270                         input_ = nullptr;\r
 271                 });\r
 272         }\r
 273                         \r
 274         virtual safe_ptr<core::basic_frame> receive()\r
 275         {\r
 276                 return input_->get_frame();\r
 277         }\r
 278         \r
 279         std::wstring print() const\r
 280         {\r
 281                 return input_ ? input_->print() : L"decklink_producer";\r
 282         }\r
 283 };\r
 284 \r
 285 safe_ptr<core::frame_producer> create_decklink_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 286 {\r
 287         if(params.empty() || !boost::iequals(params[0], "decklink"))\r
 288                 return core::frame_producer::empty();\r
 289 \r
 290         size_t device_index = 1;\r
 291         if(params.size() > 1)\r
 292         {\r
 293                 try{device_index = boost::lexical_cast<int>(params[1]);}\r
 294                 catch(boost::bad_lexical_cast&){}\r
 295         }\r
 296 \r
 297         core::video_format_desc format_desc = core::video_format_desc::get(L"PAL");\r
 298         if(params.size() > 2)\r
 299         {\r
 300                 format_desc = core::video_format_desc::get(params[2]);\r
 301                 format_desc = format_desc.format != core::video_format::invalid ? format_desc : core::video_format_desc::get(L"PAL");\r
 302         }\r
 303 \r
 304         return make_safe<decklink_producer>(frame_factory, format_desc, device_index);\r
 305 }\r
 306 \r
 307 }