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/concurrency/executor.h>\r
  36 #include <common/utility/timer.h>\r
  37 #include <common/diagnostics/graph.h>\r
  38 \r
  39 #include <boost/filesystem.hpp>\r
  40 \r
  41 #include <functional>\r
  42 #include <boost/thread.hpp>\r
  43 \r
  44 namespace caspar {\r
  45                 \r
  46 bool interlaced(double fps, const core::video_format_desc& format_desc)\r
  47 {\r
  48         return abs(fps/2.0 - format_desc.fps) < 0.1;\r
  49 }\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         printer parent_printer_;\r
  60         const std::wstring filename_;\r
  61         const core::video_format_desc format_desc_;\r
  62 \r
  63         std::shared_ptr<core::frame_factory> frame_factory_;\r
  64         \r
  65         BYTE* bmp_data_;        \r
  66         std::shared_ptr<void> hdc_;\r
  67         std::shared_ptr<void> bmp_;\r
  68 \r
  69         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  70         safe_ptr<core::basic_frame> head_;\r
  71         \r
  72         safe_ptr<diagnostics::graph> graph_;\r
  73         timer perf_timer_;\r
  74         \r
  75         std::wstring print()\r
  76         {\r
  77                 return parent_printer_();\r
  78         }\r
  79 \r
  80 public:\r
  81         flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, const printer& parent_printer) \r
  82                 : parent_printer_(parent_printer)\r
  83                 , graph_(graph)\r
  84                 , filename_(filename)\r
  85                 , format_desc_(frame_factory->get_video_format_desc())\r
  86                 , frame_factory_(frame_factory)\r
  87                 , bmp_data_(nullptr)\r
  88                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  89                 , ax_(nullptr)\r
  90                 , head_(core::basic_frame::empty())\r
  91         {\r
  92                 graph_->add_guide("frame-time", 0.5f);\r
  93                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));  \r
  94                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
  95                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));                   \r
  96                 \r
  97                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
  98                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));\r
  99                 \r
 100                 ax_->set_print(parent_printer_);\r
 101 \r
 102                 if(FAILED(ax_->CreateAxControl()))\r
 103                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));\r
 104                 \r
 105                 CComPtr<IShockwaveFlash> spFlash;\r
 106                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 107                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));\r
 108                                                                                                 \r
 109                 if(FAILED(spFlash->put_Playing(true)) )\r
 110                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));\r
 111 \r
 112                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 113                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));\r
 114                                                                                 \r
 115                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 116                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));\r
 117                                                 \r
 118                 ax_->SetFormat(format_desc_);\r
 119                 \r
 120                 BITMAPINFO info;\r
 121                 memset(&info, 0, sizeof(BITMAPINFO));\r
 122                 info.bmiHeader.biBitCount = 32;\r
 123                 info.bmiHeader.biCompression = BI_RGB;\r
 124                 info.bmiHeader.biHeight = -format_desc_.height;\r
 125                 info.bmiHeader.biPlanes = 1;\r
 126                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
 127                 info.bmiHeader.biWidth = format_desc_.width;\r
 128 \r
 129                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
 130                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
 131                 CASPAR_LOG(info) << parent_printer_() << L" Thread started.";\r
 132         }\r
 133 \r
 134         ~flash_renderer()\r
 135         {               \r
 136                 if(ax_)\r
 137                 {\r
 138                         ax_->DestroyAxControl();\r
 139                         ax_->Release();\r
 140                 }\r
 141                 CASPAR_LOG(info) << print() << L" Thread ended.";\r
 142         }\r
 143         \r
 144         void param(const std::wstring& param)\r
 145         {               \r
 146                 if(!ax_->FlashCall(param))\r
 147                         CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";\r
 148                 graph_->add_tag("param");\r
 149 \r
 150                 if(abs(ax_->GetFPS() / format_desc_.fps) > 0.001)\r
 151                         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
 152         }\r
 153         \r
 154         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 155         {\r
 156                 if(ax_->IsEmpty())\r
 157                         return core::basic_frame::empty();\r
 158 \r
 159                 auto frame = render_simple_frame(has_underflow);\r
 160                 if(interlaced(ax_->GetFPS(), format_desc_))\r
 161                         frame = core::basic_frame::interlace(frame, render_simple_frame(has_underflow), format_desc_.mode);\r
 162                 return frame;\r
 163         }\r
 164 \r
 165         double fps() const\r
 166         {\r
 167                 return ax_->GetFPS();   \r
 168         }\r
 169         \r
 170 private:\r
 171 \r
 172         safe_ptr<core::basic_frame> render_simple_frame(bool underflow)\r
 173         {\r
 174                 if(underflow)\r
 175                         graph_->add_tag("underflow");\r
 176 \r
 177                 double frame_time = 1.0/ax_->GetFPS();\r
 178 \r
 179                 perf_timer_.reset();\r
 180                 ax_->Tick();\r
 181 \r
 182                 if(ax_->InvalidRect())\r
 183                 {                       \r
 184                         std::fill_n(bmp_data_, format_desc_.size, 0);\r
 185                         ax_->DrawControl(static_cast<HDC>(hdc_.get()));\r
 186                 \r
 187                         auto frame = frame_factory_->create_frame();\r
 188                         std::copy_n(bmp_data_, format_desc_.size, frame->image_data().begin());\r
 189                         head_ = frame;\r
 190                 }               \r
 191                 \r
 192                 graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()/frame_time));\r
 193                 return head_;\r
 194         }\r
 195 };\r
 196 \r
 197 struct flash_producer::implementation\r
 198 {       \r
 199         printer parent_printer_;\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         std::wstring print() const\r
 215         { \r
 216                 return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 217                                         boost::lexical_cast<std::wstring>(fps_) + \r
 218                                         (interlaced(fps_, format_desc_) ? L"i" : L"p") + L"]";          \r
 219         }       \r
 220                 \r
 221 public:\r
 222         implementation(const std::wstring& filename) \r
 223                 : filename_(filename)           \r
 224                 , tail_(core::basic_frame::empty())             \r
 225                 , executor_(print())\r
 226         {       \r
 227                 if(!boost::filesystem::exists(filename))\r
 228                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 229                  \r
 230                 graph_ = diagnostics::create_graph(boost::bind(&implementation::print, this));\r
 231                 fps_ = 0;\r
 232                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));       \r
 233         }\r
 234 \r
 235         ~implementation()\r
 236         {\r
 237                 executor_.clear();\r
 238                 executor_.invoke([=]\r
 239                 {\r
 240                         renderer_ = nullptr;\r
 241                 });\r
 242         }\r
 243         \r
 244         virtual void initialize(const safe_ptr<core::frame_factory>& frame_factory)\r
 245         {\r
 246                 frame_factory_ = frame_factory;\r
 247                 format_desc_ = frame_factory->get_video_format_desc();\r
 248                 frame_buffer_.set_capacity(static_cast<size_t>(format_desc_.fps/4.0));\r
 249                 executor_.start();\r
 250         }\r
 251 \r
 252         virtual void set_parent_printer(const printer& parent_printer) \r
 253         {\r
 254                 parent_printer_ = parent_printer;\r
 255         }\r
 256 \r
 257         virtual safe_ptr<core::basic_frame> receive()\r
 258         {               \r
 259                 if(!renderer_)\r
 260                         return core::basic_frame::empty();\r
 261                 \r
 262                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 263                 if(!frame_buffer_.try_pop(tail_))\r
 264                         return tail_;\r
 265 \r
 266                 executor_.begin_invoke([=]\r
 267                 {\r
 268                         if(!renderer_)\r
 269                                 return;\r
 270 \r
 271                         try\r
 272                         {\r
 273                                 auto frame = core::basic_frame::empty();\r
 274                                 do{frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);}\r
 275                                 while(frame_buffer_.try_push(frame) && frame == core::basic_frame::empty());\r
 276                                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 277                                 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));\r
 278                         }\r
 279                         catch(...)\r
 280                         {\r
 281                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 282                                 renderer_ = nullptr;\r
 283                         }\r
 284                 });                     \r
 285 \r
 286                 return tail_;\r
 287         }\r
 288         \r
 289         void param(const std::wstring& param) \r
 290         {       \r
 291                 executor_.begin_invoke([=]\r
 292                 {\r
 293                         if(!renderer_)\r
 294                         {\r
 295                                 renderer_.reset(new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_, [=]{return print();}));\r
 296                                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 297                         }\r
 298 \r
 299                         try\r
 300                         {\r
 301                                 renderer_->param(param);        \r
 302                         }\r
 303                         catch(...)\r
 304                         {\r
 305                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 306                                 renderer_ = nullptr;\r
 307                         }\r
 308                 });\r
 309         }\r
 310 };\r
 311 \r
 312 flash_producer::flash_producer(flash_producer&& other) : impl_(std::move(other.impl_)){}\r
 313 flash_producer::flash_producer(const std::wstring& filename) : impl_(new implementation(filename)){}\r
 314 safe_ptr<core::basic_frame> flash_producer::receive(){return impl_->receive();}\r
 315 void flash_producer::param(const std::wstring& param){impl_->param(param);}\r
 316 void flash_producer::initialize(const safe_ptr<core::frame_factory>& frame_factory) { impl_->initialize(frame_factory);}\r
 317 void flash_producer::set_parent_printer(const printer& parent_printer){impl_->set_parent_printer(parent_printer);}\r
 318 std::wstring flash_producer::print() const {return impl_->print();}\r
 319 \r
 320 std::wstring flash_producer::find_template(const std::wstring& template_name)\r
 321 {\r
 322         if(boost::filesystem::exists(template_name + L".ft")) \r
 323                 return template_name + L".ft";\r
 324         \r
 325         if(boost::filesystem::exists(template_name + L".ct"))\r
 326                 return template_name + L".ct";\r
 327 \r
 328         return L"";\r
 329 }\r
 330 \r
 331 }