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(int width, int 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         struct com_init\r
 149         {\r
 150                 HRESULT result_;\r
 151 \r
 152                 com_init()\r
 153                         : result_(CoInitialize(nullptr))\r
 154                 {\r
 155                         if(FAILED(result_))\r
 156                                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Failed to initialize com-context for flash-player"));\r
 157                 }\r
 158 \r
 159                 ~com_init()\r
 160                 {\r
 161                         if(SUCCEEDED(result_))\r
 162                                 ::CoUninitialize();\r
 163                 }\r
 164         } com_init_;\r
 165 \r
 166         const std::wstring filename_;\r
 167 \r
 168         const std::shared_ptr<core::frame_factory> frame_factory_;\r
 169         \r
 170         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
 171         safe_ptr<core::basic_frame> head_;\r
 172         bitmap bmp_;\r
 173         \r
 174         safe_ptr<diagnostics::graph> graph_;\r
 175         boost::timer frame_timer_;\r
 176         boost::timer tick_timer_;\r
 177 \r
 178         prec_timer timer_;\r
 179 \r
 180         const int width_;\r
 181         const int height_;\r
 182         \r
 183 public:\r
 184         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
 185                 : graph_(graph)\r
 186                 , filename_(filename)\r
 187                 , frame_factory_(frame_factory)\r
 188                 , ax_(nullptr)\r
 189                 , head_(core::basic_frame::empty())\r
 190                 , bmp_(width, height)\r
 191                 , width_(width)\r
 192                 , height_(height)\r
 193         {               \r
 194                 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));\r
 195                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));\r
 196                 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));       \r
 197                 graph_->set_color("skip-sync", diagnostics::color(0.8f, 0.3f, 0.2f));                   \r
 198                 \r
 199                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
 200                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to create FlashAxContainer"));\r
 201                 \r
 202                 ax_->set_print([this]{return print();});\r
 203 \r
 204                 if(FAILED(ax_->CreateAxControl()))\r
 205                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Create FlashAxControl"));\r
 206                 \r
 207                 CComPtr<IShockwaveFlash> spFlash;\r
 208                 if(FAILED(ax_->QueryControl(&spFlash)))\r
 209                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Query FlashAxControl"));\r
 210                                                                                                 \r
 211                 if(FAILED(spFlash->put_Playing(true)) )\r
 212                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to start playing Flash"));\r
 213 \r
 214                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
 215                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Load Template Host"));\r
 216                                                                                 \r
 217                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
 218                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Set Scale Mode"));\r
 219                                                 \r
 220                 ax_->SetSize(width_, height_);          \r
 221                 render_frame(false);\r
 222         \r
 223                 CASPAR_LOG(info) << print() << L" Initialized.";\r
 224         }\r
 225 \r
 226         ~flash_renderer()\r
 227         {               \r
 228                 if(ax_)\r
 229                 {\r
 230                         ax_->DestroyAxControl();\r
 231                         ax_->Release();\r
 232                 }\r
 233                 graph_->set_value("tick-time", 0.0f);\r
 234                 graph_->set_value("frame-time", 0.0f);\r
 235                 CASPAR_LOG(info) << print() << L" Uninitialized.";\r
 236         }\r
 237         \r
 238         std::wstring call(const std::wstring& param)\r
 239         {               \r
 240                 std::wstring result;\r
 241 \r
 242                 CASPAR_LOG(trace) << print() << " Call: " << param;\r
 243 \r
 244                 if(!ax_->FlashCall(param, result))\r
 245                         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
 246                 graph_->set_tag("param");\r
 247 \r
 248                 return result;\r
 249         }\r
 250         \r
 251         safe_ptr<core::basic_frame> render_frame(bool sync)\r
 252         {\r
 253                 float frame_time = 1.0f/ax_->GetFPS();\r
 254 \r
 255                 graph_->set_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);\r
 256                 tick_timer_.restart();\r
 257 \r
 258                 if(ax_->IsEmpty())\r
 259                         return core::basic_frame::empty();              \r
 260                 \r
 261                 if(sync)                        \r
 262                         timer_.tick(frame_time); // This will block the thread.\r
 263                 else\r
 264                         graph_->set_tag("skip-sync");\r
 265                         \r
 266                 frame_timer_.restart();\r
 267 \r
 268                 ax_->Tick();\r
 269                 if(ax_->InvalidRect())\r
 270                 {                       \r
 271                         A_memset(bmp_.data(), 0, width_*height_*4);\r
 272                         ax_->DrawControl(bmp_);\r
 273                 \r
 274                         core::pixel_format_desc desc;\r
 275                         desc.pix_fmt = core::pixel_format::bgra;\r
 276                         desc.planes.push_back(core::pixel_format_desc::plane(width_, height_, 4));\r
 277                         auto frame = frame_factory_->create_frame(this, desc);\r
 278 \r
 279                         A_memcpy(frame->image_data().begin(), bmp_.data(), width_*height_*4);\r
 280                         frame->commit();\r
 281                         head_ = frame;\r
 282                 }               \r
 283                                                                                 \r
 284                 graph_->set_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);\r
 285                 return head_;\r
 286         }\r
 287 \r
 288         bool is_empty() const\r
 289         {\r
 290                 return ax_->IsEmpty();\r
 291         }\r
 292 \r
 293         double fps() const\r
 294         {\r
 295                 return ax_->GetFPS();   \r
 296         }\r
 297         \r
 298         std::wstring print()\r
 299         {\r
 300                 return L"flash-player[" + boost::filesystem::wpath(filename_).filename().wstring() \r
 301                                   + L"|" + boost::lexical_cast<std::wstring>(width_)\r
 302                                   + L"x" + boost::lexical_cast<std::wstring>(height_)\r
 303                                   + L"]";               \r
 304         }\r
 305 };\r
 306 \r
 307 struct flash_producer : public core::frame_producer\r
 308 {       \r
 309         const std::wstring                                                                                      filename_;      \r
 310         const safe_ptr<core::frame_factory>                                                     frame_factory_;\r
 311         const int                                                                                                       width_;\r
 312         const int                                                                                                       height_;\r
 313         const int                                                                                                       buffer_size_;\r
 314 \r
 315         tbb::atomic<int>                                                                                        fps_;\r
 316         tbb::atomic<bool>                                                                                       sync_;\r
 317 \r
 318         safe_ptr<diagnostics::graph>                                                            graph_;\r
 319 \r
 320         std::queue<safe_ptr<core::basic_frame>>                                         frame_buffer_;\r
 321         tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>>      output_buffer_;\r
 322         \r
 323         mutable tbb::spin_mutex                                                                         last_frame_mutex_;\r
 324         safe_ptr<core::basic_frame>                                                                     last_frame_;\r
 325                 \r
 326         std::unique_ptr<flash_renderer>                                                         renderer_;\r
 327 \r
 328         executor                                                                                                        executor_;      \r
 329 public:\r
 330         flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, int width, int height) \r
 331                 : filename_(filename)           \r
 332                 , frame_factory_(frame_factory)\r
 333                 , last_frame_(core::basic_frame::empty())\r
 334                 , width_(width > 0 ? width : frame_factory->get_video_format_desc().width)\r
 335                 , height_(height > 0 ? height : frame_factory->get_video_format_desc().height)\r
 336                 , buffer_size_(env::properties().get(L"configuration.flash.buffer-depth", frame_factory_->get_video_format_desc().fps > 30.0 ? 3 : 2))\r
 337                 , executor_(L"flash_producer")\r
 338         {       \r
 339                 sync_ = true;\r
 340                 fps_ = 0;\r
 341          \r
 342                 graph_->set_color("buffer-size", diagnostics::color(1.0f, 1.0f, 0.0f));\r
 343                 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.9f));\r
 344                 graph_->set_text(print());\r
 345                 diagnostics::register_graph(graph_);\r
 346         }\r
 347 \r
 348         ~flash_producer()\r
 349         {\r
 350                 executor_.invoke([this]\r
 351                 {\r
 352                         renderer_.reset();\r
 353                 }, high_priority);\r
 354         }\r
 355 \r
 356         // frame_producer\r
 357                 \r
 358         virtual safe_ptr<core::basic_frame> receive(int) override\r
 359         {                                       \r
 360                 auto frame = core::basic_frame::late();\r
 361                 \r
 362                 graph_->set_value("buffer-size", static_cast<float>(output_buffer_.size())/static_cast<float>(buffer_size_));\r
 363                 sync_ = output_buffer_.size() == buffer_size_;\r
 364 \r
 365                 if(output_buffer_.try_pop(frame))       \r
 366                         next();\r
 367                 else\r
 368                         graph_->set_tag("late-frame");\r
 369                                                 \r
 370                 return frame;\r
 371         }\r
 372 \r
 373         virtual safe_ptr<core::basic_frame> last_frame() const override\r
 374         {\r
 375                 return lock(last_frame_mutex_, [this]\r
 376                 {\r
 377                         return last_frame_;\r
 378                 });\r
 379         }               \r
 380         \r
 381         virtual boost::unique_future<std::wstring> call(const std::wstring& param) override\r
 382         {       \r
 383                 return executor_.begin_invoke([this, param]() -> std::wstring\r
 384                 {                       \r
 385                         try\r
 386                         {\r
 387                                 if(!renderer_)\r
 388                                 {\r
 389                                         renderer_.reset(new flash_renderer(graph_, frame_factory_, filename_, width_, height_));\r
 390 \r
 391                                         while(output_buffer_.size() < buffer_size_)\r
 392                                                 output_buffer_.push(core::basic_frame::empty());\r
 393                                 }\r
 394 \r
 395                                 return renderer_->call(param);  \r
 396 \r
 397                                 //const auto& format_desc = frame_factory_->get_video_format_desc();\r
 398                                 //if(abs(context_->fps() - format_desc.fps) > 0.01 && abs(context_->fps()/2.0 - format_desc.fps) > 0.01)\r
 399                                 //      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
 400                         }\r
 401                         catch(...)\r
 402                         {\r
 403                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 404                                 renderer_.reset(nullptr);\r
 405                         }\r
 406 \r
 407                         return L"";\r
 408                 });\r
 409         }\r
 410                 \r
 411         virtual std::wstring print() const override\r
 412         { \r
 413                 return L"flash[" + boost::filesystem::path(filename_).wstring() + L"|" + boost::lexical_cast<std::wstring>(fps_) + L"]";                \r
 414         }       \r
 415 \r
 416         virtual boost::property_tree::wptree info() const override\r
 417         {\r
 418                 boost::property_tree::wptree info;\r
 419                 info.add(L"type", L"flash-producer");\r
 420                 return info;\r
 421         }\r
 422 \r
 423         // flash_producer\r
 424         \r
 425         void next()\r
 426         {       \r
 427                 executor_.begin_invoke([this]\r
 428                 {\r
 429                         if(!renderer_)\r
 430                                 frame_buffer_.push(core::basic_frame::empty());\r
 431 \r
 432                         if(frame_buffer_.empty())\r
 433                         {\r
 434                                 auto format_desc = frame_factory_->get_video_format_desc();\r
 435                                         \r
 436                                 if(abs(renderer_->fps()/2.0 - format_desc.fps) < 2.0) // flash == 2 * format -> interlace\r
 437                                 {\r
 438                                         auto frame1 = render_frame();\r
 439                                         auto frame2 = render_frame();\r
 440                                         frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.field_mode));\r
 441                                 }\r
 442                                 else if(abs(renderer_->fps() - format_desc.fps/2.0) < 2.0) // format == 2 * flash -> duplicate\r
 443                                 {\r
 444                                         auto frame = render_frame();\r
 445                                         frame_buffer_.push(frame);\r
 446                                         frame_buffer_.push(frame);\r
 447                                 }\r
 448                                 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple\r
 449                                 {\r
 450                                         auto frame = render_frame();\r
 451                                         frame_buffer_.push(frame);\r
 452                                 }\r
 453                                                 \r
 454                                 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));                         \r
 455                                 graph_->set_text(print());\r
 456                         \r
 457                                 if(renderer_->is_empty())                       \r
 458                                         renderer_.reset();\r
 459                         }\r
 460 \r
 461                         output_buffer_.push(std::move(frame_buffer_.front()));\r
 462                         frame_buffer_.pop();\r
 463                 });\r
 464         }\r
 465 \r
 466         safe_ptr<core::basic_frame> render_frame()\r
 467         {       \r
 468                 auto frame = renderer_->render_frame(sync_);\r
 469                 lock(last_frame_mutex_, [&]\r
 470                 {\r
 471                         last_frame_ = frame;\r
 472                 });\r
 473                 return frame;\r
 474         }\r
 475 };\r
 476 \r
 477 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 478 {\r
 479         auto template_host = get_template_host(frame_factory->get_video_format_desc());\r
 480         \r
 481         auto filename = env::template_folder() + L"\\" + template_host.filename;\r
 482         \r
 483         if(!boost::filesystem::exists(filename))\r
 484                 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(u8(filename)));      \r
 485 \r
 486         return create_producer_destroy_proxy(\r
 487                    create_producer_print_proxy(\r
 488                         make_safe<flash_producer>(frame_factory, filename, template_host.width, template_host.height)));\r
 489 }\r
 490 \r
 491 std::wstring find_template(const std::wstring& template_name)\r
 492 {\r
 493         if(boost::filesystem::exists(template_name + L".ft")) \r
 494                 return template_name + L".ft";\r
 495         \r
 496         if(boost::filesystem::exists(template_name + L".ct"))\r
 497                 return template_name + L".ct";\r
 498         \r
 499         if(boost::filesystem::exists(template_name + L".swf"))\r
 500                 return template_name + L".swf";\r
 501 \r
 502         return L"";\r
 503 }\r
 504 \r
 505 }}