git.sesse.net Git - casparcg/blob - core/producer/flash/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 : 4714) // marked as __forceinline not inlined\r
  25 #pragma warning (disable : 4146)\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 <mixer/frame/draw_frame.h>\r
  34 #include <mixer/frame_mixer_device.h>\r
  35 \r
  36 #include <common/concurrency/executor.h>\r
  37 #include <common/utility/timer.h>\r
  38 \r
  39 #include <boost/filesystem.hpp>\r
  40 \r
  41 namespace caspar { namespace core { namespace flash {\r
  42         \r
  43 class flash_renderer\r
  44 {\r
  45         struct co_init\r
  46         {\r
  47                 co_init(){CoInitialize(nullptr);}\r
  48                 ~co_init(){CoUninitialize();}\r
  49         } co_;\r
  50 \r
  51         const std::wstring filename_;\r
  52         const video_format_desc format_desc_;\r
  53 \r
  54         std::shared_ptr<frame_factory> frame_factory_;\r
  55         \r
  56         BYTE* bmp_data_;        \r
  57         std::shared_ptr<void> hdc_;\r
  58         std::shared_ptr<void> bmp_;\r
  59 \r
  60         CComObject<caspar::flash::FlashAxContainer>* ax_;\r
  61         safe_ptr<draw_frame> head_;\r
  62 \r
  63 public:\r
  64         flash_renderer(const std::shared_ptr<frame_factory>& frame_factory, const std::wstring& filename) \r
  65                 : filename_(filename)\r
  66                 , format_desc_(frame_factory->get_video_format_desc())\r
  67                 , frame_factory_(frame_factory)\r
  68                 , bmp_data_(nullptr)\r
  69                 , hdc_(CreateCompatibleDC(0), DeleteDC)\r
  70                 , ax_(nullptr)\r
  71                 , head_(draw_frame::empty())\r
  72         {\r
  73                 CASPAR_LOG(info) << print() << L" Started";\r
  74                 \r
  75                 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))\r
  76                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to create FlashAxContainer"));\r
  77                 \r
  78                 if(FAILED(ax_->CreateAxControl()))\r
  79                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to Create FlashAxControl"));\r
  80                 \r
  81                 CComPtr<IShockwaveFlash> spFlash;\r
  82                 if(FAILED(ax_->QueryControl(&spFlash)))\r
  83                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to Query FlashAxControl"));\r
  84                                                                                                 \r
  85                 if(FAILED(spFlash->put_Playing(true)) )\r
  86                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to start playing Flash"));\r
  87 \r
  88                 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))\r
  89                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to Load Template Host"));\r
  90                                                                                 \r
  91                 if(FAILED(spFlash->put_ScaleMode(2)))  //Exact fit. Scale without respect to the aspect ratio.\r
  92                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(bprint() + "Failed to Set Scale Mode"));\r
  93                                                                                                                 \r
  94                 ax_->SetFormat(format_desc_);\r
  95                 \r
  96                 BITMAPINFO info;\r
  97                 memset(&info, 0, sizeof(BITMAPINFO));\r
  98                 info.bmiHeader.biBitCount = 32;\r
  99                 info.bmiHeader.biCompression = BI_RGB;\r
 100                 info.bmiHeader.biHeight = -format_desc_.height;\r
 101                 info.bmiHeader.biPlanes = 1;\r
 102                 info.bmiHeader.biSize = sizeof(BITMAPINFO);\r
 103                 info.bmiHeader.biWidth = format_desc_.width;\r
 104 \r
 105                 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);\r
 106                 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get()); \r
 107         }\r
 108 \r
 109         ~flash_renderer()\r
 110         {               \r
 111                 if(ax_)\r
 112                 {\r
 113                         ax_->DestroyAxControl();\r
 114                         ax_->Release();\r
 115                 }\r
 116                 CASPAR_LOG(info) << print() << L" Ended";\r
 117         }\r
 118         \r
 119         void param(const std::wstring& param)\r
 120         {               \r
 121                 if(!ax_->FlashCall(param))\r
 122                         CASPAR_LOG(warning) << "Flash Function Call Failed. Param: " << param;\r
 123         }\r
 124         \r
 125         safe_ptr<draw_frame> render_frame()\r
 126         {\r
 127                 if(ax_->IsEmpty())\r
 128                         return draw_frame::empty();\r
 129 \r
 130                 auto frame = render_simple_frame();\r
 131                 if(ax_->GetFPS()/2.0 - format_desc_.fps >= 0.0)\r
 132                         frame = draw_frame::interlace(frame, render_simple_frame(), format_desc_.mode);\r
 133                 return frame;\r
 134         }\r
 135                 \r
 136         timer timer_;\r
 137         std::wstring print() const{ return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"] Render thread"; }\r
 138         std::string bprint() const{ return narrow(print()); }\r
 139 \r
 140 private:\r
 141 \r
 142         safe_ptr<draw_frame> render_simple_frame()\r
 143         {\r
 144                 timer_.tick(1.0/ax_->GetFPS()); // Tick doesnt work on nested timelines, force an actual sync\r
 145 \r
 146                 ax_->Tick();\r
 147 \r
 148                 if(ax_->InvalidRect())\r
 149                 {                       \r
 150                         std::fill_n(bmp_data_, format_desc_.size, 0);\r
 151                         ax_->DrawControl(static_cast<HDC>(hdc_.get()));\r
 152                 \r
 153                         auto frame = frame_factory_->create_frame();\r
 154                         std::copy_n(bmp_data_, format_desc_.size, frame->image_data().begin());\r
 155                         head_ = frame;\r
 156                 }               \r
 157 \r
 158                 return head_;\r
 159         }\r
 160 };\r
 161 \r
 162 struct flash_producer::implementation\r
 163 {       \r
 164         safe_ptr<draw_frame> tail_;\r
 165         tbb::concurrent_bounded_queue<safe_ptr<draw_frame>> frame_buffer_;\r
 166 \r
 167         std::shared_ptr<flash_renderer> renderer_;\r
 168         std::shared_ptr<frame_factory> frame_factory_;\r
 169         \r
 170         std::wstring print() const{ return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]"; } \r
 171         std::wstring filename_;\r
 172 \r
 173         executor executor_;\r
 174 public:\r
 175         implementation(const std::wstring& filename) \r
 176                 : filename_(filename)\r
 177                 , tail_(draw_frame::empty())\r
 178         {       \r
 179                 if(!boost::filesystem::exists(filename))\r
 180                         BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));          \r
 181         }\r
 182 \r
 183         ~implementation()\r
 184         {\r
 185                 executor_.clear();\r
 186                 executor_.invoke([=]\r
 187                 {\r
 188                         renderer_ = nullptr;\r
 189                 });\r
 190         }\r
 191         \r
 192         virtual void initialize(const safe_ptr<frame_factory>& frame_factory)\r
 193         {\r
 194                 frame_factory_ = frame_factory;\r
 195                 frame_buffer_.set_capacity(static_cast<size_t>(frame_factory->get_video_format_desc().fps/2.0));\r
 196                 executor_.start();\r
 197         }\r
 198 \r
 199         virtual safe_ptr<draw_frame> receive()\r
 200         {               \r
 201                 if(!frame_buffer_.try_pop(tail_))\r
 202                         CASPAR_LOG(trace) << print() << " underflow";\r
 203                 else\r
 204                 {\r
 205                         executor_.begin_invoke([=]\r
 206                         {\r
 207                                 if(!renderer_)\r
 208                                         return;\r
 209 \r
 210                                 try\r
 211                                 {\r
 212                                         auto frame = draw_frame::empty();\r
 213                                         do{frame = renderer_->render_frame();}\r
 214                                         while(frame_buffer_.try_push(frame) && frame == draw_frame::empty());\r
 215                                 }\r
 216                                 catch(...)\r
 217                                 {\r
 218                                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 219                                         renderer_ = nullptr;\r
 220                                 }\r
 221                         });     \r
 222                 }\r
 223 \r
 224                 return tail_;\r
 225         }\r
 226         \r
 227         void param(const std::wstring& param) \r
 228         {       \r
 229                 executor_.begin_invoke([=]\r
 230                 {\r
 231                         if(!renderer_)\r
 232                         {\r
 233                                 renderer_.reset(new flash_renderer(frame_factory_, filename_));\r
 234                                 while(frame_buffer_.try_push(draw_frame::empty())){}\r
 235                         }\r
 236 \r
 237                         try\r
 238                         {\r
 239                                 renderer_->param(param);\r
 240                         }\r
 241                         catch(...)\r
 242                         {\r
 243                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 244                                 renderer_ = nullptr;\r
 245                         }\r
 246                 });\r
 247         }\r
 248 };\r
 249 \r
 250 flash_producer::flash_producer(flash_producer&& other) : impl_(std::move(other.impl_)){}\r
 251 flash_producer::flash_producer(const std::wstring& filename) : impl_(new implementation(filename)){}\r
 252 safe_ptr<draw_frame> flash_producer::receive(){return impl_->receive();}\r
 253 void flash_producer::param(const std::wstring& param){impl_->param(param);}\r
 254 void flash_producer::initialize(const safe_ptr<frame_factory>& frame_factory) { impl_->initialize(frame_factory);}\r
 255 std::wstring flash_producer::print() const {return impl_->print();}\r
 256 \r
 257 std::wstring flash_producer::find_template(const std::wstring& template_name)\r
 258 {\r
 259         if(boost::filesystem::exists(template_name + L".ft")) \r
 260                 return template_name + L".ft";\r
 261         \r
 262         if(boost::filesystem::exists(template_name + L".ct"))\r
 263                 return template_name + L".ct";\r
 264 \r
 265         return L"";\r
 266 }\r
 267 \r
 268 }}}