git.sesse.net Git - casparcg/blob - modules/flash/producer/flash_producer.cpp

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\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 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "../stdafx.h"\r
  23 \r
  24 #if defined(_MSC_VER)\r
  25 #pragma warning (disable : 4146)\r
  26 #pragma warning (disable : 4244)\r
  27 #endif\r
  28 \r
  29 #include "flash_producer.h"\r
  30 #include "FlashAxContainer.h"\r
  31 \r
  32 #include <core/video_format.h>\r
  33 \r
  34 #include <core/producer/frame/basic_frame.h>\r
  35 #include <core/producer/frame/frame_factory.h>\r
  36 #include <core/producer/frame/pixel_format.h>\r
  37 #include <core/mixer/write_frame.h>\r
  38 \r
  39 #include <common/env.h>\r
  40 #include <common/concurrency/executor.h>\r
  41 #include <common/concurrency/lock.h>\r
  42 #include <common/diagnostics/graph.h>\r
  43 #include <common/prec_timer.h>\r
  44 \r
  45 #include <boost/filesystem.hpp>\r
  46 #include <boost/property_tree/ptree.hpp>\r
  47 #include <boost/thread.hpp>\r
  48 #include <boost/timer.hpp>\r
  49 #include <boost/algorithm/string.hpp>\r
  50 \r
  51 #include <tbb/spin_mutex.h>\r
  52 \r
  53 #include <asmlib.h>\r
  54 \r
  55 #include <functional>\r
  56 \r
  57 namespace caspar { namespace flash {\r
  58                 \r
  59 class bitmap\r
  60 {\r
  61 public:\r
  62         bitmap(size_t width, size_t height)\r
  63                 : bmp_data_(nullptr)\r
  64                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  65         {       \r
  66                 BITMAPINFO info;\r
  67                 memset(&info, 0, sizeof(BITMAPINFO));\r
  68                 info.bmiHeader.biBitCount = 32;\r
  69                 info.bmiHeader.biCompression = BI_RGB;\r
  70                 info.bmiHeader.biHeight = static_cast<LONG>(-height);\r
  71                 info.bmiHeader.biPlanes = 1;\r
  72                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
  73                 info.bmiHeader.biWidth = static_cast<LONG>(width);\r
  74 \r
  75                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
  76                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
  77 \r
  78                 if(!bmp_data_)\r
  79                         BOOST_THROW_EXCEPTION(std::bad_alloc());\r
  80         }\r
  81 \r
  82         operator HDC() {return static_cast<HDC>(hdc_.get());}\r
  83 \r
  84         BYTE* data() { return bmp_data_;}\r
  85         const BYTE* data() const { return bmp_data_;}\r
  86 \r
  87 private:\r
  88         BYTE* bmp_data_;        \r
  89         std::shared_ptr<void> hdc_;\r
  90         std::shared_ptr<void> bmp_;\r
  91 };\r
  92 \r
  93 struct template_host\r
  94 {\r
  95         std::wstring  video_mode;\r
  96         std::wstring  filename;\r
  97         int                       width;\r
  98         int                       height;\r
  99 };\r
 100 \r
 101 template_host get_template_host(const core::video_format_desc& desc)\r
 102 {\r
 103         try\r
 104         {\r
 105                 std::vector<template_host> template_hosts;\r
 106                 BOOST_FOREACH(auto& xml_mapping, env::properties().get_child(L"configuration.template-hosts"))\r
 107                 {\r
 108                         try\r
 109                         {\r
 110                                 template_host template_host;\r
 111                                 template_host.video_mode                = xml_mapping.second.get(L"video-mode", L"");\r
 112                                 template_host.filename                  = xml_mapping.second.get(L"filename",   L"cg.fth");\r
 113                                 template_host.width                             = xml_mapping.second.get(L"width",              desc.width);\r
 114                                 template_host.height                    = xml_mapping.second.get(L"height",             desc.height);\r
 115                                 template_hosts.push_back(template_host);\r
 116                         }\r
 117                         catch(...){}\r
 118                 }\r
 119 \r
 120                 auto template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == desc.name;});\r
 121                 if(template_host_it == template_hosts.end())\r
 122                         template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == L"";});\r
 123 \r
 124                 if(template_host_it != template_hosts.end())\r
 125                         return *template_host_it;\r
 126         }\r
 127         catch(...){}\r
 128                 \r
 129         template_host template_host;\r
 130         template_host.filename = L"cg.fth";\r
 131 \r
 132         for(auto it = boost::filesystem::directory_iterator(env::template_folder()); it != boost::filesystem::directory_iterator(); ++it)\r
 133         {\r
 134                 if(boost::iequals(it->path().extension().wstring(), L"." + desc.name))\r
 135                 {\r
 136                         template_host.filename = it->path().filename().wstring();\r
 137                         break;\r
 138                 }\r
 139         }\r
 140 \r
 141         template_host.width =  desc.square_width;\r
 142         template_host.height = desc.square_height;\r
 143         return template_host;\r
 144 }\r
 145 \r
 146 class flash_renderer\r
 147 {       \r
 148         const std::wstring filename_;\r
 149 \r
 150         const std::shared_ptr<core::frame_factory> frame_factory_;\r
 151         \r
 152         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
 153         safe_ptr<core::basic_frame> head_;\r
 154         bitmap bmp_;\r
 155         \r
 156         safe_ptr<diagnostics::graph> graph_;\r
 157         boost::timer frame_timer_;\r
 158         boost::timer tick_timer_;\r
 159 \r
 160         prec_timer timer_;\r
 161 \r
 162         const int width_;\r
 163         const int height_;\r
 164         \r
 165 public:\r
 166         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
 167                 : graph_(graph)\r
 168                 , filename_(filename)\r
 169                 , frame_factory_(frame_factory)\r
 170                 , ax_(nullptr)\r
 171                 , head_(core::basic_frame::empty())\r
 172                 , bmp_(width, height)\r
 173                 , width_(width)\r
 174                 , height_(height)\r
 175         {               \r
 176                 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));\r
 177                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));\r
 178                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
 179                 graph_->set_color("skip-sync", diagnostics::color(0.8f, 0.3f, 0.2f));                   \r
 180                 \r
 181                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
 182                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to create FlashAxContainer"));\r
 183                 \r
 184                 ax_->set_print([this]{return print();});\r
 185 \r
 186                 if(FAILED(ax_->CreateAxControl()))\r
 187                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to Create FlashAxControl"));\r
 188                 \r
 189                 CComPtr<IShockwaveFlash> spFlash;\r
 190                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 191                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to Query FlashAxControl"));\r
 192                                                                                                 \r
 193                 if(FAILED(spFlash->put_Playing(true)) )\r
 194                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to start playing Flash"));\r
 195 \r
 196                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 197                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to Load Template Host"));\r
 198                                                                                 \r
 199                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 200                         BOOST_THROW_EXCEPTION(caspar_exception() << wmsg_info(print() + L" Failed to Set Scale Mode"));\r
 201                                                 \r
 202                 ax_->SetSize(width_, height_);          \r
 203         \r
 204                 CASPAR_LOG(info) << print() << L" Initialized.";\r
 205         }\r
 206 \r
 207         ~flash_renderer()\r
 208         {               \r
 209                 if(ax_)\r
 210                 {\r
 211                         ax_->DestroyAxControl();\r
 212                         ax_->Release();\r
 213                 }\r
 214                 CASPAR_LOG(info) << print() << L" Uninitialized.";\r
 215         }\r
 216         \r
 217         std::wstring call(const std::wstring& param)\r
 218         {               \r
 219                 std::wstring result;\r
 220 \r
 221                 if(!ax_->FlashCall(param, result))\r
 222                         CASPAR_LOG(warning) << print() << L" Flash call failed:" << param;//BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("Flash function call failed.") << arg_name_info("param") << arg_value_info(narrow(param)));\r
 223                 graph_->set_tag("param");\r
 224 \r
 225                 return result;\r
 226         }\r
 227         \r
 228         safe_ptr<core::basic_frame> render_frame(bool has_underflow)\r
 229         {\r
 230                 float frame_time = 1.0f/ax_->GetFPS();\r
 231 \r
 232                 graph_->set_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);\r
 233                 tick_timer_.restart();\r
 234 \r
 235                 if(ax_->IsEmpty())\r
 236                         return core::basic_frame::empty();              \r
 237                 \r
 238                 if(!has_underflow)                      \r
 239                         timer_.tick(frame_time); // This will block the thread.\r
 240                 else\r
 241                         graph_->set_tag("skip-sync");\r
 242                         \r
 243                 frame_timer_.restart();\r
 244 \r
 245                 ax_->Tick();\r
 246                 if(ax_->InvalidRect())\r
 247                 {                       \r
 248                         A_memset(bmp_.data(), 0, width_*height_*4);\r
 249                         ax_->DrawControl(bmp_);\r
 250                 \r
 251                         core::pixel_format_desc desc;\r
 252                         desc.pix_fmt = core::pixel_format::bgra;\r
 253                         desc.planes.push_back(core::pixel_format_desc::plane(width_, height_, 4));\r
 254                         auto frame = frame_factory_->create_frame(this, desc);\r
 255 \r
 256                         A_memcpy(frame->image_data().begin(), bmp_.data(), width_*height_*4);\r
 257                         frame->commit();\r
 258                         head_ = frame;\r
 259                 }               \r
 260                                 \r
 261                 graph_->set_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);\r
 262                 return head_;\r
 263         }\r
 264 \r
 265         bool is_empty() const\r
 266         {\r
 267                 return ax_->IsEmpty();\r
 268         }\r
 269 \r
 270         double fps() const\r
 271         {\r
 272                 return ax_->GetFPS();   \r
 273         }\r
 274         \r
 275         std::wstring print()\r
 276         {\r
 277                 return L"flash-player[" + boost::filesystem::wpath(filename_).filename().wstring() \r
 278                                   + L"|" + boost::lexical_cast<std::wstring>(width_)\r
 279                                   + L"x" + boost::lexical_cast<std::wstring>(height_)\r
 280                                   + L"]";               \r
 281         }\r
 282 };\r
 283 \r
 284 struct flash_producer : public core::frame_producer\r
 285 {       \r
 286         const std::wstring                                                                                      filename_;      \r
 287         const safe_ptr<core::frame_factory>                                                     frame_factory_;\r
 288 \r
 289         tbb::atomic<int>                                                                                        fps_;\r
 290 \r
 291         safe_ptr<diagnostics::graph> graph_;\r
 292 \r
 293         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>>      frame_buffer_;\r
 294 \r
 295         mutable tbb::spin_mutex                                                                         last_frame_mutex_;\r
 296         safe_ptr<core::basic_frame>                                                                     last_frame_;\r
 297                 \r
 298         int                                                                                                                     width_;\r
 299         int                                                                                                                     height_;\r
 300 \r
 301         tbb::atomic<bool>                                                                                       is_running_;\r
 302         std::unique_ptr<flash_renderer>                                                         renderer_;\r
 303 \r
 304         executor                                                                                                        executor_;      \r
 305 public:\r
 306         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, int width, int height) \r
 307                 : filename_(filename)           \r
 308                 , frame_factory_(frame_factory)\r
 309                 , last_frame_(core::basic_frame::empty())\r
 310                 , width_(width > 0 ? width : frame_factory->get_video_format_desc().width)\r
 311                 , height_(height > 0 ? height : frame_factory->get_video_format_desc().height)\r
 312                 , executor_(L"flash_producer")\r
 313         {       \r
 314                 fps_ = 0;\r
 315                 is_running_ = true;\r
 316 \r
 317                 graph_->set_color("output-buffer-count", diagnostics::color(1.0f, 1.0f, 0.0f));          \r
 318                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));   \r
 319                 graph_->set_text(print());\r
 320                 diagnostics::register_graph(graph_);\r
 321                 \r
 322                 frame_buffer_.set_capacity(frame_factory_->get_video_format_desc().fps > 30.0 ? 2 : 1);\r
 323 \r
 324                 executor_.begin_invoke([]\r
 325                 {\r
 326                         ::CoInitialize(nullptr);\r
 327                 });                     \r
 328         }\r
 329 \r
 330         ~flash_producer()\r
 331         {\r
 332                 is_running_ = false;\r
 333 \r
 334                 safe_ptr<core::basic_frame> frame;\r
 335                 for(int n = 0; n < 3; ++n)\r
 336                         frame_buffer_.try_pop(frame);\r
 337 \r
 338                 executor_.invoke([this]\r
 339                 {\r
 340                         renderer_.reset();\r
 341                         ::CoUninitialize();\r
 342                 });\r
 343         }\r
 344 \r
 345         // frame_producer\r
 346                 \r
 347         virtual safe_ptr<core::basic_frame> receive(int) override\r
 348         {                               \r
 349                 graph_->set_value("output-buffer-count", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));\r
 350 \r
 351                 auto frame = core::basic_frame::late();\r
 352                 if(!frame_buffer_.try_pop(frame) && renderer_)\r
 353                         graph_->set_tag("underflow");\r
 354 \r
 355                 return frame;\r
 356         }\r
 357 \r
 358         virtual safe_ptr<core::basic_frame> last_frame() const override\r
 359         {\r
 360                 return lock(last_frame_mutex_, [this]\r
 361                 {\r
 362                         return last_frame_;\r
 363                 });\r
 364         }               \r
 365         \r
 366         virtual boost::unique_future<std::wstring> call(const std::wstring& param) override\r
 367         {       \r
 368                 return executor_.begin_invoke([=]() -> std::wstring\r
 369                 {\r
 370                         if(!is_running_)\r
 371                                 return L"";\r
 372 \r
 373                         if(!renderer_)\r
 374                         {\r
 375                                 renderer_.reset(new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_, width_, height_));\r
 376                                 while(frame_buffer_.try_push(core::basic_frame::empty()));\r
 377                                 render(renderer_.get());\r
 378                         }\r
 379 \r
 380                         try\r
 381                         {\r
 382                                 return renderer_->call(param);  \r
 383 \r
 384                                 //const auto& format_desc = frame_factory_->get_video_format_desc();\r
 385                                 //if(abs(context_->fps() - format_desc.fps) > 0.01 && abs(context_->fps()/2.0 - format_desc.fps) > 0.01)\r
 386                                 //      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
 387                         }\r
 388                         catch(...)\r
 389                         {\r
 390                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 391                                 renderer_.reset(nullptr);\r
 392                                 frame_buffer_.push(core::basic_frame::empty());\r
 393                         }\r
 394 \r
 395                         return L"";\r
 396                 }, high_priority);\r
 397         }\r
 398                 \r
 399         virtual std::wstring print() const override\r
 400         { \r
 401                 return L"flash[" + boost::filesystem::wpath(filename_).filename().wstring() + L"|" + boost::lexical_cast<std::wstring>(fps_) + L"]";            \r
 402         }       \r
 403 \r
 404         virtual boost::property_tree::wptree info() const override\r
 405         {\r
 406                 boost::property_tree::wptree info;\r
 407                 info.add(L"type", L"flash-producer");\r
 408                 return info;\r
 409         }\r
 410 \r
 411         // flash_producer\r
 412         \r
 413         safe_ptr<core::basic_frame> render_frame()\r
 414         {\r
 415                 auto frame = renderer_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());          \r
 416                 lock(last_frame_mutex_, [&]\r
 417                 {\r
 418                         last_frame_ = make_safe<core::basic_frame>(frame);\r
 419                 });\r
 420                 return frame;\r
 421         }\r
 422 \r
 423         void render(const flash_renderer* renderer)\r
 424         {               \r
 425                 executor_.begin_invoke([=]\r
 426                 {\r
 427                         if(!is_running_ || renderer_.get() != renderer) // Since initialize will start a new recursive call make sure the recursive calls are only for a specific instance.\r
 428                                 return;\r
 429 \r
 430                         try\r
 431                         {               \r
 432                                 const auto& format_desc = frame_factory_->get_video_format_desc();\r
 433 \r
 434                                 if(abs(renderer_->fps()/2.0 - format_desc.fps) < 2.0) // flash == 2 * format -> interlace\r
 435                                 {\r
 436                                         auto frame1 = render_frame();\r
 437                                         auto frame2 = render_frame();\r
 438                                         frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.field_mode));\r
 439                                 }\r
 440                                 else if(abs(renderer_->fps()- format_desc.fps/2.0) < 2.0) // format == 2 * flash -> duplicate\r
 441                                 {\r
 442                                         auto frame = render_frame();\r
 443                                         frame_buffer_.push(frame);\r
 444                                         frame_buffer_.push(frame);\r
 445                                 }\r
 446                                 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple\r
 447                                 {\r
 448                                         auto frame = render_frame();\r
 449                                         frame_buffer_.push(frame);\r
 450                                 }\r
 451 \r
 452                                 if(renderer_->is_empty())\r
 453                                 {\r
 454                                         renderer_.reset(nullptr);\r
 455                                         return;\r
 456                                 }\r
 457 \r
 458                                 graph_->set_value("output-buffer-count", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));        \r
 459                                 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));                         \r
 460                                 graph_->set_text(print());\r
 461 \r
 462                                 render(renderer);\r
 463                         }\r
 464                         catch(...)\r
 465                         {\r
 466                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 467                                 renderer_.reset(nullptr);\r
 468                                 frame_buffer_.push(core::basic_frame::empty());\r
 469                         }\r
 470                 });\r
 471         }\r
 472 };\r
 473 \r
 474 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 475 {\r
 476         auto template_host = get_template_host(frame_factory->get_video_format_desc());\r
 477         \r
 478         auto filename = env::template_folder() + L"\\" + template_host.filename;\r
 479         \r
 480         if(!boost::filesystem::exists(filename))\r
 481                 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(u8(filename)));      \r
 482 \r
 483         return create_producer_print_proxy(\r
 484                    create_producer_destroy_proxy(\r
 485                         make_safe<flash_producer>(frame_factory, filename, template_host.width, template_host.height)));\r
 486 }\r
 487 \r
 488 std::wstring find_template(const std::wstring& template_name)\r
 489 {\r
 490         if(boost::filesystem::exists(template_name + L".ft")) \r
 491                 return template_name + L".ft";\r
 492         \r
 493         if(boost::filesystem::exists(template_name + L".ct"))\r
 494                 return template_name + L".ct";\r
 495         \r
 496         if(boost::filesystem::exists(template_name + L".swf"))\r
 497                 return template_name + L".swf";\r
 498 \r
 499         return L"";\r
 500 }\r
 501 \r
 502 }}