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 #pragma warning (disable : 4244)\r
  26 #endif\r
  27 \r
  28 #include "flash_producer.h"\r
  29 #include "FlashAxContainer.h"\r
  30 \r
  31 #include <core/video_format.h>\r
  32 \r
  33 #include <core/producer/frame/basic_frame.h>\r
  34 #include <core/producer/frame/frame_factory.h>\r
  35 #include <core/mixer/write_frame.h>\r
  36 \r
  37 #include <common/env.h>\r
  38 #include <common/concurrency/com_context.h>\r
  39 #include <common/diagnostics/graph.h>\r
  40 #include <common/memory/memcpy.h>\r
  41 #include <common/memory/memclr.h>\r
  42 #include <common/utility/timer.h>\r
  43 \r
  44 #include <boost/filesystem.hpp>\r
  45 #include <boost/thread.hpp>\r
  46 #include <boost/timer.hpp>\r
  47 \r
  48 #include <functional>\r
  49 \r
  50 namespace caspar {\r
  51                 \r
  52 class bitmap\r
  53 {\r
  54 public:\r
  55         bitmap(size_t width, size_t height)\r
  56                 : bmp_data_(nullptr)\r
  57                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  58         {       \r
  59                 BITMAPINFO info;\r
  60                 memset(&info, 0, sizeof(BITMAPINFO));\r
  61                 info.bmiHeader.biBitCount = 32;\r
  62                 info.bmiHeader.biCompression = BI_RGB;\r
  63                 info.bmiHeader.biHeight = -height;\r
  64                 info.bmiHeader.biPlanes = 1;\r
  65                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
  66                 info.bmiHeader.biWidth = width;\r
  67 \r
  68                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
  69                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
  70 \r
  71                 if(!bmp_data_)\r
  72                         BOOST_THROW_EXCEPTION(std::bad_alloc());\r
  73         }\r
  74 \r
  75         operator HDC() {return static_cast<HDC>(hdc_.get());}\r
  76 \r
  77         BYTE* data() { return bmp_data_;}\r
  78         const BYTE* data() const { return bmp_data_;}\r
  79 \r
  80 private:\r
  81         BYTE* bmp_data_;        \r
  82         std::shared_ptr<void> hdc_;\r
  83         std::shared_ptr<void> bmp_;\r
  84 };\r
  85 \r
  86 class flash_renderer\r
  87 {       \r
  88         const std::wstring filename_;\r
  89         core::video_format_desc format_desc_;\r
  90 \r
  91         const std::shared_ptr<core::frame_factory> frame_factory_;\r
  92         \r
  93         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  94         safe_ptr<core::basic_frame> head_;\r
  95         bitmap bmp_;\r
  96         \r
  97         safe_ptr<diagnostics::graph> graph_;\r
  98         boost::timer frame_timer_;\r
  99         boost::timer tick_timer_;\r
 100 \r
 101         high_prec_timer timer_;\r
 102         \r
 103 public:\r
 104         flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
 105                 : graph_(graph)\r
 106                 , filename_(filename)\r
 107                 , format_desc_(frame_factory->get_video_format_desc())\r
 108                 , frame_factory_(frame_factory)\r
 109                 , ax_(nullptr)\r
 110                 , head_(core::basic_frame::empty())\r
 111                 , bmp_(format_desc_.width, format_desc_.height)\r
 112         {\r
 113                 graph_->add_guide("frame-time", 0.5f);\r
 114                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));  \r
 115                 graph_->add_guide("tick-time", 0.5);\r
 116                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
 117                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
 118                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));                   \r
 119                 \r
 120                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
 121                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));\r
 122                 \r
 123                 ax_->set_print([this]{return L"flash_renderer";});\r
 124 \r
 125                 if(FAILED(ax_->CreateAxControl()))\r
 126                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));\r
 127                 \r
 128                 CComPtr<IShockwaveFlash> spFlash;\r
 129                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 130                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));\r
 131                                                                                                 \r
 132                 if(FAILED(spFlash->put_Playing(true)) )\r
 133                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));\r
 134 \r
 135                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 136                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));\r
 137                                                                                 \r
 138                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 139                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));\r
 140                                                 \r
 141                 ax_->SetFormat(format_desc_);           \r
 142         \r
 143                 CASPAR_LOG(info) << print() << L" Thread started.";\r
 144         }\r
 145 \r
 146         ~flash_renderer()\r
 147         {               \r
 148                 if(ax_)\r
 149                 {\r
 150                         ax_->DestroyAxControl();\r
 151                         ax_->Release();\r
 152                 }\r
 153                 CASPAR_LOG(info) << print() << L" Thread ended.";\r
 154         }\r
 155         \r
 156         void param(const std::wstring& param)\r
 157         {               \r
 158                 if(!ax_->FlashCall(param))\r
 159                         CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";\r
 160                 graph_->add_tag("param");\r
 161 \r
 162                 if(abs(ax_->GetFPS() - format_desc_.fps) > 0.01 && abs(ax_->GetFPS()/2.0 - format_desc_.fps) > 0.01)\r
 163                         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
 164         }\r
 165         \r
 166         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 167         {\r
 168                 if(format_desc_ != frame_factory_->get_video_format_desc())\r
 169                 {\r
 170                         format_desc_ = frame_factory_->get_video_format_desc();\r
 171                         ax_->SetFormat(format_desc_);\r
 172                 }\r
 173 \r
 174                 float frame_time = 1.0f/ax_->GetFPS();\r
 175 \r
 176                 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);\r
 177                 tick_timer_.restart();\r
 178 \r
 179                 if(ax_->IsEmpty())\r
 180                         return core::basic_frame::empty();              \r
 181                 \r
 182                 if(!has_underflow)                      \r
 183                         timer_.tick(frame_time); // This will block the thread.\r
 184                 else\r
 185                         graph_->add_tag("underflow");\r
 186                         \r
 187                 frame_timer_.restart();\r
 188 \r
 189                 ax_->Tick();\r
 190                 if(ax_->InvalidRect())\r
 191                 {                       \r
 192                         fast_memclr(bmp_.data(),  format_desc_.size);\r
 193                         ax_->DrawControl(bmp_);\r
 194                 \r
 195                         auto frame = frame_factory_->create_frame(this, format_desc_.width, format_desc_.height);\r
 196                         fast_memcpy(frame->image_data().begin(), bmp_.data(), format_desc_.size);\r
 197                         frame->commit();\r
 198                         head_ = frame;\r
 199                 }               \r
 200                                 \r
 201                 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);\r
 202                 return head_;\r
 203         }\r
 204 \r
 205         double fps() const\r
 206         {\r
 207                 return ax_->GetFPS();   \r
 208         }\r
 209         \r
 210         std::wstring print()\r
 211         {\r
 212                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";               \r
 213         }\r
 214 };\r
 215 \r
 216 struct flash_producer : public core::frame_producer\r
 217 {       \r
 218         const std::wstring filename_;   \r
 219         const safe_ptr<core::frame_factory> frame_factory_;\r
 220 \r
 221         tbb::atomic<int> fps_;\r
 222 \r
 223         std::shared_ptr<diagnostics::graph> graph_;\r
 224 \r
 225         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
 226                                 \r
 227         com_context<flash_renderer> context_;           \r
 228 public:\r
 229         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
 230                 : filename_(filename)           \r
 231                 , frame_factory_(frame_factory)\r
 232                 , context_(L"flash_producer")\r
 233         {       \r
 234                 if(!boost::filesystem::exists(filename))\r
 235                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 236                  \r
 237                 fps_ = 0;\r
 238 \r
 239                 graph_ = diagnostics::create_graph([this]{return print();});\r
 240                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 241                 \r
 242                 frame_buffer_.set_capacity(2);\r
 243 \r
 244                 initialize();                           \r
 245         }\r
 246 \r
 247         ~flash_producer()\r
 248         {\r
 249                 frame_buffer_.clear();\r
 250         }\r
 251 \r
 252         // frame_producer\r
 253                 \r
 254         virtual safe_ptr<core::basic_frame> receive()\r
 255         {                               \r
 256                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 257 \r
 258                 auto frame = core::basic_frame::late();\r
 259                 frame_buffer_.try_pop(frame);           \r
 260                 return frame;\r
 261         }\r
 262         \r
 263         virtual void param(const std::wstring& param) \r
 264         {       \r
 265                 context_.begin_invoke([=]\r
 266                 {\r
 267                         if(!context_)\r
 268                                 initialize();\r
 269 \r
 270                         try\r
 271                         {\r
 272                                 context_->param(param); \r
 273                         }\r
 274                         catch(...)\r
 275                         {\r
 276                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 277                                 context_.reset(nullptr);\r
 278                                 frame_buffer_.push(core::basic_frame::empty());\r
 279                         }\r
 280                 });\r
 281         }\r
 282                 \r
 283         virtual std::wstring print() const\r
 284         { \r
 285                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 286                                         boost::lexical_cast<std::wstring>(fps_) + L"]";         \r
 287         }       \r
 288 \r
 289         // flash_producer\r
 290 \r
 291         void initialize()\r
 292         {\r
 293                 context_.reset([&]{return new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_);});\r
 294                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 295                 render(context_.get());\r
 296         }\r
 297 \r
 298         void render(const flash_renderer* renderer)\r
 299         {               \r
 300                 context_.begin_invoke([=]\r
 301                 {\r
 302                         if(context_.get() != renderer) // Since initialize will start a new recursive call make sure the recursive calls are only for a specific instance.\r
 303                                 return;\r
 304 \r
 305                         try\r
 306                         {               \r
 307                                 const auto& format_desc = frame_factory_->get_video_format_desc();\r
 308 \r
 309                                 if(abs(context_->fps()/2.0 - format_desc.fps) < 0.01) // flash == 2 * format -> interlace\r
 310                                 {\r
 311                                         auto frame1 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 312                                         auto frame2 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 313                                         frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.mode));\r
 314                                 }\r
 315                                 else if(abs(context_->fps()- format_desc.fps/2.0) < 0.01) // format == 2 * flash -> duplicate\r
 316                                 {\r
 317                                         auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 318                                         frame_buffer_.push(frame);\r
 319                                         frame_buffer_.push(frame);\r
 320                                 }\r
 321                                 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple\r
 322                                 {\r
 323                                         auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 324                                         frame_buffer_.push(frame);\r
 325                                 }\r
 326 \r
 327                                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 328                                 fps_.fetch_and_store(static_cast<int>(context_->fps()*100.0));\r
 329 \r
 330                                 render(renderer);\r
 331                         }\r
 332                         catch(...)\r
 333                         {\r
 334                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 335                                 context_.reset(nullptr);\r
 336                                 frame_buffer_.push(core::basic_frame::empty());\r
 337                         }\r
 338                 });\r
 339         }\r
 340 };\r
 341 \r
 342 safe_ptr<core::frame_producer> create_flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 343 {\r
 344         std::wstring filename = env::template_folder() + L"\\" + params[0];\r
 345         \r
 346         return make_safe<flash_producer>(frame_factory, filename);\r
 347 }\r
 348 \r
 349 std::wstring find_flash_template(const std::wstring& template_name)\r
 350 {\r
 351         if(boost::filesystem::exists(template_name + L".ft")) \r
 352                 return template_name + L".ft";\r
 353         \r
 354         if(boost::filesystem::exists(template_name + L".ct"))\r
 355                 return template_name + L".ct";\r
 356 \r
 357         return L"";\r
 358 }\r
 359 \r
 360 }