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/write_frame.h>\r
  34 \r
  35 #include <common/env.h>\r
  36 #include <common/concurrency/executor.h>\r
  37 #include <common/utility/timer.h>\r
  38 #include <common/diagnostics/graph.h>\r
  39 \r
  40 #include <boost/filesystem.hpp>\r
  41 \r
  42 #include <functional>\r
  43 #include <boost/thread.hpp>\r
  44 \r
  45 namespace caspar {\r
  46                 \r
  47 bool interlaced(double fps, const core::video_format_desc& format_desc)\r
  48 {\r
  49         return abs(fps/2.0 - format_desc.fps) < 0.1;\r
  50 }\r
  51 \r
  52 class flash_renderer\r
  53 {\r
  54         struct co_init\r
  55         {\r
  56                 co_init(){CoInitialize(nullptr);}\r
  57                 ~co_init(){CoUninitialize();}\r
  58         } co_;\r
  59         \r
  60         const object* parent_;\r
  61         const std::wstring filename_;\r
  62         const core::video_format_desc format_desc_;\r
  63 \r
  64         std::shared_ptr<core::frame_factory> frame_factory_;\r
  65         \r
  66         BYTE* bmp_data_;        \r
  67         std::shared_ptr<void> hdc_;\r
  68         std::shared_ptr<void> bmp_;\r
  69 \r
  70         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  71         safe_ptr<core::basic_frame> head_;\r
  72         \r
  73         safe_ptr<diagnostics::graph> graph_;\r
  74         timer perf_timer_;\r
  75         \r
  76 public:\r
  77         flash_renderer(const object* parent, const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
  78                 : parent_(parent)\r
  79                 , graph_(graph)\r
  80                 , filename_(filename)\r
  81                 , format_desc_(frame_factory->get_video_format_desc())\r
  82                 , frame_factory_(frame_factory)\r
  83                 , bmp_data_(nullptr)\r
  84                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  85                 , ax_(nullptr)\r
  86                 , head_(core::basic_frame::empty())\r
  87         {\r
  88                 graph_->add_guide("frame-time", 0.5f);\r
  89                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));  \r
  90                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
  91                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));                   \r
  92                 \r
  93                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
  94                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));\r
  95                 \r
  96                 ax_->set_print([this]{return L"";});\r
  97 \r
  98                 if(FAILED(ax_->CreateAxControl()))\r
  99                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));\r
 100                 \r
 101                 CComPtr<IShockwaveFlash> spFlash;\r
 102                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 103                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));\r
 104                                                                                                 \r
 105                 if(FAILED(spFlash->put_Playing(true)) )\r
 106                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));\r
 107 \r
 108                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 109                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));\r
 110                                                                                 \r
 111                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 112                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));\r
 113                                                 \r
 114                 ax_->SetFormat(format_desc_);\r
 115                 \r
 116                 BITMAPINFO info;\r
 117                 memset(&info, 0, sizeof(BITMAPINFO));\r
 118                 info.bmiHeader.biBitCount = 32;\r
 119                 info.bmiHeader.biCompression = BI_RGB;\r
 120                 info.bmiHeader.biHeight = -format_desc_.height;\r
 121                 info.bmiHeader.biPlanes = 1;\r
 122                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
 123                 info.bmiHeader.biWidth = format_desc_.width;\r
 124 \r
 125                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
 126                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
 127                 CASPAR_LOG(info) << print() << L" Thread started.";\r
 128         }\r
 129 \r
 130         ~flash_renderer()\r
 131         {               \r
 132                 if(ax_)\r
 133                 {\r
 134                         ax_->DestroyAxControl();\r
 135                         ax_->Release();\r
 136                 }\r
 137                 CASPAR_LOG(info) << print() << L" Thread ended.";\r
 138         }\r
 139         \r
 140         void param(const std::wstring& param)\r
 141         {               \r
 142                 if(!ax_->FlashCall(param))\r
 143                         CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";\r
 144                 graph_->add_tag("param");\r
 145 \r
 146                 if(abs(ax_->GetFPS() - format_desc_.fps) > 0.001 && abs(ax_->GetFPS()/2.0 - format_desc_.fps) > 0.001)\r
 147                         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
 148         }\r
 149         \r
 150         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 151         {\r
 152                 if(ax_->IsEmpty())\r
 153                         return core::basic_frame::empty();\r
 154 \r
 155                 auto frame = render_simple_frame(has_underflow);\r
 156                 if(interlaced(ax_->GetFPS(), format_desc_))\r
 157                         frame = core::basic_frame::interlace(frame, render_simple_frame(has_underflow), format_desc_.mode);\r
 158                 return frame;\r
 159         }\r
 160 \r
 161         double fps() const\r
 162         {\r
 163                 return ax_->GetFPS();   \r
 164         }\r
 165         \r
 166         std::wstring print()\r
 167         {\r
 168                 return parent_->print();\r
 169         }\r
 170 \r
 171 private:\r
 172 \r
 173         safe_ptr<core::basic_frame> render_simple_frame(bool underflow)\r
 174         {\r
 175                 if(underflow)\r
 176                         graph_->add_tag("underflow");\r
 177 \r
 178                 double frame_time = 1.0/ax_->GetFPS();\r
 179 \r
 180                 perf_timer_.reset();\r
 181                 ax_->Tick();\r
 182 \r
 183                 if(ax_->InvalidRect())\r
 184                 {                       \r
 185                         std::fill_n(bmp_data_, format_desc_.size, 0);\r
 186                         ax_->DrawControl(static_cast<HDC>(hdc_.get()));\r
 187                 \r
 188                         auto frame = frame_factory_->create_frame();\r
 189                         std::copy_n(bmp_data_, format_desc_.size, frame->image_data().begin());\r
 190                         head_ = frame;\r
 191                 }               \r
 192                 \r
 193                 graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()/frame_time));\r
 194                 return head_;\r
 195         }\r
 196 };\r
 197 \r
 198 struct flash_producer : public core::frame_producer\r
 199 {       \r
 200         const std::wstring filename_;   \r
 201         tbb::atomic<int> fps_;\r
 202 \r
 203         std::shared_ptr<diagnostics::graph> graph_;\r
 204 \r
 205         safe_ptr<core::basic_frame> tail_;\r
 206         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
 207 \r
 208         std::shared_ptr<flash_renderer> renderer_;\r
 209         std::shared_ptr<core::frame_factory> frame_factory_;\r
 210         core::video_format_desc format_desc_;\r
 211                         \r
 212         executor executor_;\r
 213                 \r
 214 public:\r
 215         flash_producer(const std::wstring& filename) \r
 216                 : filename_(filename)           \r
 217                 , tail_(core::basic_frame::empty())             \r
 218                 , executor_(L"flash_producer")\r
 219         {       \r
 220                 if(!boost::filesystem::exists(filename))\r
 221                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 222                  \r
 223                 fps_ = 0;\r
 224         }\r
 225 \r
 226         ~flash_producer()\r
 227         {\r
 228                 executor_.clear();\r
 229                 executor_.invoke([=]\r
 230                 {\r
 231                         renderer_ = nullptr;\r
 232                 });\r
 233         }\r
 234         \r
 235         virtual void set_frame_factory(const safe_ptr<core::frame_factory>& frame_factory)\r
 236         {\r
 237                 frame_factory_ = frame_factory;\r
 238                 format_desc_ = frame_factory->get_video_format_desc();\r
 239                 frame_buffer_.set_capacity(4);\r
 240                 graph_ = diagnostics::create_graph([this]{return print();});\r
 241                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));       \r
 242                 executor_.start();\r
 243         }\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                 executor_.begin_invoke([=]\r
 255                 {\r
 256                         if(!renderer_)\r
 257                                 return;\r
 258 \r
 259                         try\r
 260                         {\r
 261                                 auto frame = core::basic_frame::empty();\r
 262                                 do{frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);}\r
 263                                 while(frame_buffer_.try_push(frame) && frame == core::basic_frame::empty());\r
 264                                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 265                                 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));\r
 266                         }\r
 267                         catch(...)\r
 268                         {\r
 269                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 270                                 renderer_ = nullptr;\r
 271                         }\r
 272                 });                     \r
 273 \r
 274                 return tail_;\r
 275         }\r
 276         \r
 277         virtual void param(const std::wstring& param) \r
 278         {       \r
 279                 executor_.begin_invoke([=]\r
 280                 {\r
 281                         if(!renderer_)\r
 282                         {\r
 283                                 renderer_.reset(new flash_renderer(this, safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_));\r
 284                                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 285                         }\r
 286 \r
 287                         try\r
 288                         {\r
 289                                 renderer_->param(param);        \r
 290                         }\r
 291                         catch(...)\r
 292                         {\r
 293                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 294                                 renderer_ = nullptr;\r
 295                         }\r
 296                 });\r
 297         }\r
 298                 \r
 299         virtual std::wstring print() const\r
 300         { \r
 301                 return frame_producer::print() + L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 302                                         boost::lexical_cast<std::wstring>(fps_) + \r
 303                                         (interlaced(fps_, format_desc_) ? L"i" : L"p") + L"]";          \r
 304         }       \r
 305 };\r
 306 \r
 307 safe_ptr<core::frame_producer> create_flash_producer(const std::vector<std::wstring>& params)\r
 308 {\r
 309         std::wstring filename = env::template_folder() + L"\\" + params[0];\r
 310         \r
 311         return make_safe<flash_producer>(filename);\r
 312 }\r
 313 \r
 314 std::wstring find_flash_template(const std::wstring& template_name)\r
 315 {\r
 316         if(boost::filesystem::exists(template_name + L".ft")) \r
 317                 return template_name + L".ft";\r
 318         \r
 319         if(boost::filesystem::exists(template_name + L".ct"))\r
 320                 return template_name + L".ct";\r
 321 \r
 322         return L"";\r
 323 }\r
 324 \r
 325 }