git.sesse.net Git - casparcg/blob - modules/flash/producer/flash_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 #if defined(_MSC_VER)\r
  24 #pragma warning (disable : 4146)\r
  25 #endif\r
  26 \r
  27 #include "flash_producer.h"\r
  28 #include "FlashAxContainer.h"\r
  29 \r
  30 #include <core/video_format.h>\r
  31 \r
  32 #include <core/producer/frame/basic_frame.h>\r
  33 #include <core/producer/frame/frame_factory.h>\r
  34 #include <core/producer/frame/write_frame.h>\r
  35 \r
  36 #include <common/env.h>\r
  37 #include <common/concurrency/executor.h>\r
  38 #include <common/diagnostics/graph.h>\r
  39 #include <common/memory/memcpy.h>\r
  40 #include <common/memory/memclr.h>\r
  41 #include <common/utility/timer.h>\r
  42 \r
  43 #include <boost/filesystem.hpp>\r
  44 #include <boost/thread.hpp>\r
  45 #include <boost/timer.hpp>\r
  46 \r
  47 #include <functional>\r
  48 \r
  49 namespace caspar {\r
  50                 \r
  51 class flash_renderer\r
  52 {\r
  53         struct co_init\r
  54         {\r
  55                 co_init(){CoInitialize(nullptr);}\r
  56                 ~co_init(){CoUninitialize();}\r
  57         } co_;\r
  58         \r
  59         const std::wstring filename_;\r
  60         const core::video_format_desc format_desc_;\r
  61 \r
  62         std::shared_ptr<core::frame_factory> frame_factory_;\r
  63         \r
  64         BYTE* bmp_data_;        \r
  65         std::shared_ptr<void> hdc_;\r
  66         std::shared_ptr<void> bmp_;\r
  67 \r
  68         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  69         safe_ptr<core::basic_frame> head_;\r
  70         \r
  71         safe_ptr<diagnostics::graph> graph_;\r
  72         boost::timer perf_timer_;\r
  73 \r
  74         high_prec_timer timer_;\r
  75         \r
  76 public:\r
  77         flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
  78                 : graph_(graph)\r
  79                 , filename_(filename)\r
  80                 , format_desc_(frame_factory->get_video_format_desc())\r
  81                 , frame_factory_(frame_factory)\r
  82                 , bmp_data_(nullptr)\r
  83                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  84                 , ax_(nullptr)\r
  85                 , head_(core::basic_frame::empty())\r
  86         {\r
  87                 graph_->add_guide("frame-time", 0.5f);\r
  88                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));  \r
  89                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
  90                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));                   \r
  91                 \r
  92                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
  93                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));\r
  94                 \r
  95                 ax_->set_print([this]{return L"";});\r
  96 \r
  97                 if(FAILED(ax_->CreateAxControl()))\r
  98                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));\r
  99                 \r
 100                 CComPtr<IShockwaveFlash> spFlash;\r
 101                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 102                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));\r
 103                                                                                                 \r
 104                 if(FAILED(spFlash->put_Playing(true)) )\r
 105                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));\r
 106 \r
 107                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 108                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));\r
 109                                                                                 \r
 110                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 111                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));\r
 112                                                 \r
 113                 ax_->SetFormat(format_desc_);\r
 114                 \r
 115                 BITMAPINFO info;\r
 116                 memset(&info, 0, sizeof(BITMAPINFO));\r
 117                 info.bmiHeader.biBitCount = 32;\r
 118                 info.bmiHeader.biCompression = BI_RGB;\r
 119                 info.bmiHeader.biHeight = -format_desc_.height;\r
 120                 info.bmiHeader.biPlanes = 1;\r
 121                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
 122                 info.bmiHeader.biWidth = format_desc_.width;\r
 123 \r
 124                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
 125                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
 126                 CASPAR_LOG(info) << print() << L" Thread started.";\r
 127         }\r
 128 \r
 129         ~flash_renderer()\r
 130         {               \r
 131                 if(ax_)\r
 132                 {\r
 133                         ax_->DestroyAxControl();\r
 134                         ax_->Release();\r
 135                 }\r
 136                 CASPAR_LOG(info) << print() << L" Thread ended.";\r
 137         }\r
 138         \r
 139         void param(const std::wstring& param)\r
 140         {               \r
 141                 if(!ax_->FlashCall(param))\r
 142                         CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";\r
 143                 graph_->add_tag("param");\r
 144 \r
 145                 if(abs(ax_->GetFPS() - format_desc_.fps) > 0.001 && abs(ax_->GetFPS()/2.0 - format_desc_.fps) > 0.001)\r
 146                         CASPAR_LOG(warning) << print() << " Invalid frame-rate: " << ax_->GetFPS() << L". Should be either " << format_desc_.fps << L" or " << format_desc_.fps*2.0 << L".";\r
 147         }\r
 148         \r
 149         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 150         {\r
 151                 if(ax_->IsEmpty())\r
 152                         return core::basic_frame::empty();\r
 153 \r
 154                 double frame_time = 1.0/ax_->GetFPS();\r
 155 \r
 156                 if(has_underflow)\r
 157                         graph_->add_tag("underflow");\r
 158                 else\r
 159                         timer_.tick(frame_time);\r
 160 \r
 161                 perf_timer_.restart();\r
 162                 ax_->Tick();\r
 163 \r
 164                 if(ax_->InvalidRect())\r
 165                 {                       \r
 166                         fast_memclr(bmp_data_,  format_desc_.size);\r
 167                         ax_->DrawControl(static_cast<HDC>(hdc_.get()));\r
 168                 \r
 169                         auto frame = frame_factory_->create_frame(this);\r
 170                         fast_memcpy(frame->image_data().begin(), bmp_data_, format_desc_.size);\r
 171                         head_ = frame;\r
 172                 }               \r
 173                 \r
 174                 graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()/frame_time));\r
 175                 return head_;\r
 176         }\r
 177 \r
 178         double fps() const\r
 179         {\r
 180                 return ax_->GetFPS();   \r
 181         }\r
 182         \r
 183         std::wstring print()\r
 184         {\r
 185                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";               \r
 186         }\r
 187 };\r
 188 \r
 189 struct flash_producer : public core::frame_producer\r
 190 {       \r
 191         const std::wstring filename_;   \r
 192         tbb::atomic<int> fps_;\r
 193 \r
 194         std::shared_ptr<diagnostics::graph> graph_;\r
 195 \r
 196         safe_ptr<core::basic_frame> tail_;\r
 197         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
 198 \r
 199         std::shared_ptr<flash_renderer> renderer_;\r
 200         safe_ptr<core::frame_factory> frame_factory_;\r
 201         const core::video_format_desc format_desc_;\r
 202                         \r
 203         executor executor_;\r
 204                 \r
 205 public:\r
 206         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
 207                 : filename_(filename)           \r
 208                 , tail_(core::basic_frame::empty())             \r
 209                 , frame_factory_(frame_factory)\r
 210                 , format_desc_(frame_factory->get_video_format_desc())\r
 211                 , executor_(L"flash_producer", true)\r
 212         {       \r
 213                 if(!boost::filesystem::exists(filename))\r
 214                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 215                  \r
 216                 frame_buffer_.set_capacity(5);\r
 217                 graph_ = diagnostics::create_graph([this]{return print();});\r
 218                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 219                 \r
 220                 executor_.begin_invoke([=]\r
 221                 {\r
 222                         init_renderer();\r
 223                 });\r
 224                                 \r
 225                 executor_.begin_invoke([=]\r
 226                 {\r
 227                         render();\r
 228                 });             \r
 229 \r
 230                 fps_ = 0;\r
 231         }\r
 232 \r
 233         ~flash_producer()\r
 234         {\r
 235                 executor_.clear();\r
 236                 CASPAR_ASSERT(executor_.is_running());\r
 237                 executor_.invoke([=]\r
 238                 {\r
 239                         renderer_ = nullptr;\r
 240                 });             \r
 241         }\r
 242 \r
 243         // frame_producer\r
 244                 \r
 245         virtual safe_ptr<core::basic_frame> receive()\r
 246         {               \r
 247                 if(!renderer_)\r
 248                         return core::basic_frame::empty();\r
 249                 \r
 250                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 251                 if(!frame_buffer_.try_pop(tail_))\r
 252                         return tail_;\r
 253                 \r
 254                 return tail_;\r
 255         }\r
 256         \r
 257         virtual void param(const std::wstring& param) \r
 258         {       \r
 259                 executor_.begin_invoke([=]\r
 260                 {\r
 261                         if(!renderer_)\r
 262                                 init_renderer();\r
 263 \r
 264                         try\r
 265                         {\r
 266                                 renderer_->param(param);        \r
 267                         }\r
 268                         catch(...)\r
 269                         {\r
 270                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 271                                 renderer_ = nullptr;\r
 272                         }\r
 273                 });\r
 274         }\r
 275                 \r
 276         virtual std::wstring print() const\r
 277         { \r
 278                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 279                                         boost::lexical_cast<std::wstring>(fps_) + L"]";         \r
 280         }       \r
 281 \r
 282         // flash_producer\r
 283 \r
 284         void init_renderer()\r
 285         {\r
 286                 renderer_.reset(new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_));\r
 287                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 288         }\r
 289 \r
 290         void render()\r
 291         {\r
 292                 if(!renderer_)\r
 293                 {\r
 294                         frame_buffer_.push(core::basic_frame::empty());\r
 295                         return;\r
 296                 }\r
 297 \r
 298                 try\r
 299                 {               \r
 300                         auto frame = core::basic_frame::empty();\r
 301                         if(abs(renderer_->fps()/2.0 - format_desc_.fps) < 0.1) //flash 50, format 50i\r
 302                         {\r
 303                                 auto frame1 = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);\r
 304                                 auto frame2 = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);\r
 305                                 frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc_.mode));\r
 306                                 frame = frame2;\r
 307                         }\r
 308                         else if(abs(renderer_->fps()- format_desc_.fps/2.0 ) < 0.1) //flash 25, format 50p\r
 309                         {\r
 310                                 frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);\r
 311                                 frame_buffer_.push(frame);\r
 312                                 frame_buffer_.push(frame);\r
 313                         }\r
 314                         else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // flash 25, format 50i or flash 50, format 50p\r
 315                         {\r
 316                                 frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);\r
 317                                 frame_buffer_.push(frame);\r
 318                         }\r
 319                                 \r
 320                         // Fill buffer when there is opportunity.\r
 321                         while(frame == core::basic_frame::empty() && frame_buffer_.try_push(frame)){}\r
 322                                                 \r
 323                         graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 324                         fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));\r
 325 \r
 326                         executor_.begin_invoke([=]\r
 327                         {\r
 328                                 render();\r
 329                         });                     \r
 330                 }\r
 331                 catch(...)\r
 332                 {\r
 333                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 334                         renderer_ = nullptr;\r
 335                 }\r
 336         }\r
 337 };\r
 338 \r
 339 safe_ptr<core::frame_producer> create_flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 340 {\r
 341         std::wstring filename = env::template_folder() + L"\\" + params[0];\r
 342         \r
 343         return make_safe<flash_producer>(frame_factory, filename);\r
 344 }\r
 345 \r
 346 std::wstring find_flash_template(const std::wstring& template_name)\r
 347 {\r
 348         if(boost::filesystem::exists(template_name + L".ft")) \r
 349                 return template_name + L".ft";\r
 350         \r
 351         if(boost::filesystem::exists(template_name + L".ct"))\r
 352                 return template_name + L".ct";\r
 353 \r
 354         return L"";\r
 355 }\r
 356 \r
 357 }