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/frame_factory.h>\r
  33 #include <core/producer/frame/basic_frame.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/utility/timer.h>\r
  39 #include <common/diagnostics/graph.h>\r
  40 \r
  41 #include <boost/filesystem.hpp>\r
  42 \r
  43 #include <functional>\r
  44 #include <boost/thread.hpp>\r
  45 \r
  46 namespace caspar {\r
  47                 \r
  48 bool interlaced(double fps, const core::video_format_desc& format_desc)\r
  49 {\r
  50         return abs(fps/2.0 - format_desc.fps) < 0.1;\r
  51 }\r
  52 \r
  53 class flash_renderer\r
  54 {\r
  55         struct co_init\r
  56         {\r
  57                 co_init(){CoInitialize(nullptr);}\r
  58                 ~co_init(){CoUninitialize();}\r
  59         } co_;\r
  60         \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 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                 auto frame = render_simple_frame(has_underflow);\r
 155                 if(interlaced(ax_->GetFPS(), format_desc_))\r
 156                         frame = core::basic_frame::interlace(frame, render_simple_frame(has_underflow), format_desc_.mode);\r
 157                 return frame;\r
 158         }\r
 159 \r
 160         double fps() const\r
 161         {\r
 162                 return ax_->GetFPS();   \r
 163         }\r
 164         \r
 165         std::wstring print()\r
 166         {\r
 167                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";               \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(this);\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 : public core::frame_producer\r
 198 {       \r
 199         const std::wstring filename_;   \r
 200         tbb::atomic<int> fps_;\r
 201 \r
 202         std::shared_ptr<diagnostics::graph> graph_;\r
 203 \r
 204         safe_ptr<core::basic_frame> tail_;\r
 205         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
 206 \r
 207         std::shared_ptr<flash_renderer> renderer_;\r
 208         safe_ptr<core::frame_factory> frame_factory_;\r
 209         const core::video_format_desc format_desc_;\r
 210                         \r
 211         executor executor_;\r
 212                 \r
 213 public:\r
 214         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
 215                 : filename_(filename)           \r
 216                 , tail_(core::basic_frame::empty())             \r
 217                 , frame_factory_(frame_factory)\r
 218                 , format_desc_(frame_factory->get_video_format_desc())\r
 219                 , executor_(L"flash_producer")\r
 220         {       \r
 221                 if(!boost::filesystem::exists(filename))\r
 222                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 223                  \r
 224                 frame_buffer_.set_capacity(4);\r
 225                 graph_ = diagnostics::create_graph([this]{return print();});\r
 226                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 227                 \r
 228                 executor_.begin_invoke([=]\r
 229                 {\r
 230                         init_renderer();\r
 231                 });\r
 232 \r
 233                 fps_ = 0;\r
 234                 executor_.start();\r
 235         }\r
 236 \r
 237         ~flash_producer()\r
 238         {\r
 239                 executor_.clear();\r
 240                 CASPAR_ASSERT(executor_.is_running());\r
 241                 executor_.invoke([=]\r
 242                 {\r
 243                         renderer_ = nullptr;\r
 244                 });             \r
 245         }\r
 246                 \r
 247         virtual safe_ptr<core::basic_frame> receive()\r
 248         {               \r
 249                 if(!renderer_)\r
 250                         return core::basic_frame::empty();\r
 251                 \r
 252                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 253                 if(!frame_buffer_.try_pop(tail_))\r
 254                         return tail_;\r
 255 \r
 256                 executor_.begin_invoke([=]\r
 257                 {\r
 258                         if(!renderer_)\r
 259                                 return;\r
 260 \r
 261                         try\r
 262                         {\r
 263                                 auto frame = core::basic_frame::empty();\r
 264                                 do{frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity()-2);}\r
 265                                 while(frame_buffer_.try_push(frame) && frame == core::basic_frame::empty());\r
 266                                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 267                                 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));\r
 268                         }\r
 269                         catch(...)\r
 270                         {\r
 271                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 272                                 renderer_ = nullptr;\r
 273                         }\r
 274                 });                     \r
 275 \r
 276                 return tail_;\r
 277         }\r
 278         \r
 279         virtual void param(const std::wstring& param) \r
 280         {       \r
 281                 executor_.begin_invoke([=]\r
 282                 {\r
 283                         if(!renderer_)\r
 284                                 init_renderer();\r
 285 \r
 286                         try\r
 287                         {\r
 288                                 renderer_->param(param);        \r
 289                         }\r
 290                         catch(...)\r
 291                         {\r
 292                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 293                                 renderer_ = nullptr;\r
 294                         }\r
 295                 });\r
 296         }\r
 297                 \r
 298         virtual std::wstring print() const\r
 299         { \r
 300                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 301                                         boost::lexical_cast<std::wstring>(fps_) + \r
 302                                         (interlaced(fps_, format_desc_) ? L"i" : L"p") + L"]";          \r
 303         }       \r
 304 \r
 305         void init_renderer()\r
 306         {\r
 307                 renderer_.reset(new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_));\r
 308                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 309         }\r
 310 };\r
 311 \r
 312 safe_ptr<core::frame_producer> create_flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 313 {\r
 314         std::wstring filename = env::template_folder() + L"\\" + params[0];\r
 315         \r
 316         return make_safe<flash_producer>(frame_factory, filename);\r
 317 }\r
 318 \r
 319 std::wstring find_flash_template(const std::wstring& template_name)\r
 320 {\r
 321         if(boost::filesystem::exists(template_name + L".ft")) \r
 322                 return template_name + L".ft";\r
 323         \r
 324         if(boost::filesystem::exists(template_name + L".ct"))\r
 325                 return template_name + L".ct";\r
 326 \r
 327         return L"";\r
 328 }\r
 329 \r
 330 }