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