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 \r
  90         const std::shared_ptr<core::frame_factory> frame_factory_;\r
  91         \r
  92         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  93         safe_ptr<core::basic_frame> head_;\r
  94         bitmap bmp_;\r
  95         \r
  96         safe_ptr<diagnostics::graph> graph_;\r
  97         boost::timer frame_timer_;\r
  98         boost::timer tick_timer_;\r
  99 \r
 100         high_prec_timer timer_;\r
 101 \r
 102         const size_t width_;\r
 103         const size_t height_;\r
 104         \r
 105 public:\r
 106         flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, int width, int height) \r
 107                 : graph_(graph)\r
 108                 , filename_(filename)\r
 109                 , frame_factory_(frame_factory)\r
 110                 , ax_(nullptr)\r
 111                 , head_(core::basic_frame::empty())\r
 112                 , bmp_(width, height)\r
 113                 , width_(width)\r
 114                 , height_(height)\r
 115         {\r
 116                 graph_->add_guide("frame-time", 0.5f);\r
 117                 graph_->set_color("frame-time", diagnostics::color(0.8f, 0.3f, 0.4f));  \r
 118                 graph_->add_guide("tick-time", 0.5);\r
 119                 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));\r
 120                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
 121                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));                   \r
 122                 \r
 123                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
 124                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));\r
 125                 \r
 126                 ax_->set_print([this]{return L"flash_renderer";});\r
 127 \r
 128                 if(FAILED(ax_->CreateAxControl()))\r
 129                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));\r
 130                 \r
 131                 CComPtr<IShockwaveFlash> spFlash;\r
 132                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 133                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));\r
 134                                                                                                 \r
 135                 if(FAILED(spFlash->put_Playing(true)) )\r
 136                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));\r
 137 \r
 138                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 139                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));\r
 140                                                                                 \r
 141                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 142                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));\r
 143                                                 \r
 144                 ax_->SetSize(width_, height_);          \r
 145         \r
 146                 CASPAR_LOG(info) << print() << L" Thread started.";\r
 147                 CASPAR_LOG(info) << print() << L" Successfully initialized to, width: " << width_ << L" height: " << height_ << L".";\r
 148         }\r
 149 \r
 150         ~flash_renderer()\r
 151         {               \r
 152                 if(ax_)\r
 153                 {\r
 154                         ax_->DestroyAxControl();\r
 155                         ax_->Release();\r
 156                 }\r
 157                 CASPAR_LOG(info) << print() << L" Thread ended.";\r
 158         }\r
 159         \r
 160         void param(const std::wstring& param)\r
 161         {               \r
 162                 if(!ax_->FlashCall(param))\r
 163                         CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";\r
 164                 graph_->add_tag("param");\r
 165         }\r
 166         \r
 167         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 168         {\r
 169                 //if(format_desc_ != frame_factory_->get_video_format_desc())\r
 170                 //{\r
 171                 //      format_desc_ = frame_factory_->get_video_format_desc();\r
 172                 //      bmp_ = bitmap(format_desc_.width, format_desc_.height);\r
 173                 //      ax_->SetFormat(format_desc_);\r
 174                 //}\r
 175 \r
 176                 float frame_time = 1.0f/ax_->GetFPS();\r
 177 \r
 178                 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);\r
 179                 tick_timer_.restart();\r
 180 \r
 181                 if(ax_->IsEmpty())\r
 182                         return core::basic_frame::empty();              \r
 183                 \r
 184                 if(!has_underflow)                      \r
 185                         timer_.tick(frame_time); // This will block the thread.\r
 186                 else\r
 187                         graph_->add_tag("underflow");\r
 188                         \r
 189                 frame_timer_.restart();\r
 190 \r
 191                 ax_->Tick();\r
 192                 if(ax_->InvalidRect())\r
 193                 {                       \r
 194                         fast_memclr(bmp_.data(), width_*height_*4);\r
 195                         ax_->DrawControl(bmp_);\r
 196                 \r
 197                         auto frame = frame_factory_->create_frame(this, width_, height_);\r
 198                         fast_memcpy(frame->image_data().begin(), bmp_.data(), width_*height_*4);\r
 199                         frame->commit();\r
 200                         head_ = frame;\r
 201                 }               \r
 202                                 \r
 203                 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);\r
 204                 return head_;\r
 205         }\r
 206 \r
 207         double fps() const\r
 208         {\r
 209                 return ax_->GetFPS();   \r
 210         }\r
 211         \r
 212         std::wstring print()\r
 213         {\r
 214                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";               \r
 215         }\r
 216 };\r
 217 \r
 218 struct flash_producer : public core::frame_producer\r
 219 {       \r
 220         const std::wstring filename_;   \r
 221         const safe_ptr<core::frame_factory> frame_factory_;\r
 222 \r
 223         tbb::atomic<int> fps_;\r
 224 \r
 225         std::shared_ptr<diagnostics::graph> graph_;\r
 226 \r
 227         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;\r
 228 \r
 229         safe_ptr<core::basic_frame>     last_frame_;\r
 230                                 \r
 231         com_context<flash_renderer> context_;   \r
 232 \r
 233         int width_;\r
 234         int height_;\r
 235 public:\r
 236         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, size_t width, size_t height) \r
 237                 : filename_(filename)           \r
 238                 , frame_factory_(frame_factory)\r
 239                 , context_(L"flash_producer")\r
 240                 , last_frame_(core::basic_frame::empty())\r
 241                 , width_(width > 0 ? width : frame_factory->get_video_format_desc().width)\r
 242                 , height_(height > 0 ? height : frame_factory->get_video_format_desc().height)\r
 243         {       \r
 244                 if(!boost::filesystem::exists(filename))\r
 245                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));  \r
 246                  \r
 247                 fps_ = 0;\r
 248 \r
 249                 graph_ = diagnostics::create_graph([this]{return print();});\r
 250                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 251                 \r
 252                 frame_buffer_.set_capacity(1);\r
 253 \r
 254                 initialize();                           \r
 255         }\r
 256 \r
 257         ~flash_producer()\r
 258         {\r
 259                 frame_buffer_.clear();\r
 260         }\r
 261 \r
 262         // frame_producer\r
 263                 \r
 264         virtual safe_ptr<core::basic_frame> receive(int)\r
 265         {                               \r
 266                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 267 \r
 268                 auto frame = core::basic_frame::late();\r
 269                 if(frame_buffer_.try_pop(frame))\r
 270                         last_frame_ = frame;\r
 271 \r
 272                 return frame;\r
 273         }\r
 274 \r
 275         virtual safe_ptr<core::basic_frame> last_frame() const\r
 276         {\r
 277                 return last_frame_;\r
 278         }               \r
 279         \r
 280         virtual void param(const std::wstring& param) \r
 281         {       \r
 282                 context_.begin_invoke([=]\r
 283                 {\r
 284                         if(!context_)\r
 285                                 initialize();\r
 286 \r
 287                         try\r
 288                         {\r
 289                                 context_->param(param); \r
 290 \r
 291                                 const auto& format_desc = frame_factory_->get_video_format_desc();\r
 292                                 if(abs(context_->fps() - format_desc.fps) > 0.01 && abs(context_->fps()/2.0 - format_desc.fps) > 0.01)\r
 293                                         CASPAR_LOG(warning) << print() << " Invalid frame-rate: " << context_->fps() << L". Should be either " << format_desc.fps << L" or " << format_desc.fps*2.0 << L".";\r
 294                         }\r
 295                         catch(...)\r
 296                         {\r
 297                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 298                                 context_.reset(nullptr);\r
 299                                 frame_buffer_.push(core::basic_frame::empty());\r
 300                         }\r
 301                 });\r
 302         }\r
 303                 \r
 304         virtual std::wstring print() const\r
 305         { \r
 306                 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " + \r
 307                                         boost::lexical_cast<std::wstring>(fps_) + L"]";         \r
 308         }       \r
 309 \r
 310         // flash_producer\r
 311 \r
 312         void initialize()\r
 313         {\r
 314                 context_.reset([&]{return new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_, width_, height_);});\r
 315                 while(frame_buffer_.try_push(core::basic_frame::empty())){}             \r
 316                 render(context_.get());\r
 317         }\r
 318 \r
 319         void render(const flash_renderer* renderer)\r
 320         {               \r
 321                 context_.begin_invoke([=]\r
 322                 {\r
 323                         if(context_.get() != renderer) // Since initialize will start a new recursive call make sure the recursive calls are only for a specific instance.\r
 324                                 return;\r
 325 \r
 326                         try\r
 327                         {               \r
 328                                 const auto& format_desc = frame_factory_->get_video_format_desc();\r
 329 \r
 330                                 if(abs(context_->fps()/2.0 - format_desc.fps) < 2.0) // flash == 2 * format -> interlace\r
 331                                 {\r
 332                                         auto frame1 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 333                                         auto frame2 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 334                                         frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.mode));\r
 335                                 }\r
 336                                 else if(abs(context_->fps()- format_desc.fps/2.0) < 2.0) // format == 2 * flash -> duplicate\r
 337                                 {\r
 338                                         auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 339                                         frame_buffer_.push(frame);\r
 340                                         frame_buffer_.push(frame);\r
 341                                 }\r
 342                                 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple\r
 343                                 {\r
 344                                         auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());\r
 345                                         frame_buffer_.push(frame);\r
 346                                 }\r
 347 \r
 348                                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));      \r
 349                                 fps_.fetch_and_store(static_cast<int>(context_->fps()*100.0));\r
 350 \r
 351                                 render(renderer);\r
 352                         }\r
 353                         catch(...)\r
 354                         {\r
 355                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 356                                 context_.reset(nullptr);\r
 357                                 frame_buffer_.push(core::basic_frame::empty());\r
 358                         }\r
 359                 });\r
 360         }\r
 361 };\r
 362 \r
 363 safe_ptr<core::frame_producer> create_flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 364 {\r
 365         std::wstring filename = env::template_folder() + L"\\" + params[0];\r
 366 \r
 367         size_t width = frame_factory->get_video_format_desc().width;\r
 368         size_t height = frame_factory->get_video_format_desc().height;\r
 369 \r
 370         if(params.size() >= 3)\r
 371         {\r
 372                 width = boost::lexical_cast<size_t>(params[1]);\r
 373                 height = boost::lexical_cast<size_t>(params[2]);\r
 374         }\r
 375         \r
 376         return make_safe<flash_producer>(frame_factory, filename, width, height);\r
 377 }\r
 378 \r
 379 std::wstring find_flash_template(const std::wstring& template_name)\r
 380 {\r
 381         if(boost::filesystem::exists(template_name + L".ft")) \r
 382                 return template_name + L".ft";\r
 383         \r
 384         if(boost::filesystem::exists(template_name + L".ct"))\r
 385                 return template_name + L".ct";\r
 386 \r
 387         return L"";\r
 388 }\r
 389 \r
 390 }