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