git.sesse.net Git - casparcg/blob - modules/image/consumer/image_consumer.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 "image_consumer.h"\r
  22 \r
  23 #include <common/exception/exceptions.h>\r
  24 #include <common/env.h>\r
  25 #include <common/log/log.h>\r
  26 #include <common/utility/string.h>\r
  27 \r
  28 #include <core/consumer/frame_consumer.h>\r
  29 #include <core/video_format.h>\r
  30 #include <core/mixer/read_frame.h>\r
  31 \r
  32 #include <boost/date_time/posix_time/posix_time.hpp>\r
  33 #include <boost/thread.hpp>\r
  34 \r
  35 #include <tbb/concurrent_queue.h>\r
  36 \r
  37 #include <FreeImage.h>\r
  38 \r
  39 #include <concrt_extras.h>\r
  40 \r
  41 #include <vector>\r
  42 \r
  43 namespace caspar { namespace image {\r
  44         \r
  45 struct image_consumer : public core::frame_consumer\r
  46 {\r
  47         core::video_format_desc                                 format_desc_;\r
  48         std::vector<safe_ptr<core::read_frame>> frames_;\r
  49 public:\r
  50 \r
  51         virtual void initialize(const core::video_format_desc& format_desc)\r
  52         {\r
  53                 format_desc_ = format_desc;\r
  54         }\r
  55         \r
  56         virtual bool send(const safe_ptr<core::read_frame>& frame)\r
  57         {                               \r
  58                 frames_.push_back(frame);\r
  59 \r
  60                 if(frames_.size() < core::consumer_buffer_depth())\r
  61                         return true;\r
  62                 \r
  63                 Concurrency::scoped_oversubcription_token oversubscribe;\r
  64 \r
  65                 auto my_frame = frames_.front();\r
  66                 boost::thread async([=]\r
  67                 {\r
  68                         try\r
  69                         {\r
  70                                 auto filename = narrow(env::data_folder()) +  boost::posix_time::to_iso_string(boost::posix_time::second_clock::local_time()) + ".png";\r
  71 \r
  72                                 auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Allocate(format_desc_.width, format_desc_.height, 32), FreeImage_Unload);\r
  73                                 memcpy(FreeImage_GetBits(bitmap.get()), my_frame->image_data().begin(), my_frame->image_size());\r
  74                                 FreeImage_FlipVertical(bitmap.get());\r
  75                                 FreeImage_Save(FIF_PNG, bitmap.get(), filename.c_str(), 0);\r
  76                         }\r
  77                         catch(...)\r
  78                         {\r
  79                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  80                         }\r
  81                 });\r
  82                 async.detach();\r
  83 \r
  84                 return false;\r
  85         }\r
  86 \r
  87         virtual std::wstring print() const\r
  88         {\r
  89                 return L"image[]";\r
  90         }\r
  91 \r
  92         virtual size_t buffer_depth() const {return 0;}\r
  93 \r
  94         virtual const core::video_format_desc& get_video_format_desc() const\r
  95         {\r
  96                 return format_desc_;\r
  97         }\r
  98 };\r
  99 \r
 100 safe_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)\r
 101 {\r
 102         if(params.size() < 1 || params[0] != L"IMAGE")\r
 103                 return core::frame_consumer::empty();\r
 104 \r
 105         return make_safe<image_consumer>();\r
 106 }\r
 107 \r
 108 }}\r