git.sesse.net Git - casparcg/blob - core/consumer/frame_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 #include "../StdAfx.h"\r
  21 \r
  22 #include "frame_consumer.h"\r
  23 \r
  24 #include <common/memory/safe_ptr.h>\r
  25 \r
  26 #include <tbb/spin_rw_mutex.h>\r
  27 \r
  28 namespace caspar { namespace core {\r
  29         \r
  30 std::vector<const consumer_factory_t> c_factories;\r
  31 tbb::spin_rw_mutex c_factories_mutex;\r
  32 \r
  33 void register_consumer_factory(const consumer_factory_t& factory)\r
  34 {\r
  35         tbb::spin_rw_mutex::scoped_lock(c_factories_mutex, true);\r
  36         c_factories.push_back(factory);\r
  37 }\r
  38 \r
  39 safe_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)\r
  40 {\r
  41         if(params.empty())\r
  42                 BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("params") << arg_value_info(""));\r
  43         \r
  44         tbb::spin_rw_mutex::scoped_lock(c_factories_mutex, false);\r
  45         auto consumer = frame_consumer::empty();\r
  46         std::any_of(c_factories.begin(), c_factories.end(), [&](const consumer_factory_t& factory) -> bool\r
  47                 {\r
  48                         try\r
  49                         {\r
  50                                 consumer = factory(params);\r
  51                         }\r
  52                         catch(...)\r
  53                         {\r
  54                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  55                         }\r
  56                         return consumer != frame_consumer::empty();\r
  57                 });\r
  58 \r
  59         if(consumer == frame_consumer::empty())\r
  60                 BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax."));\r
  61 \r
  62         return consumer;\r
  63 }\r
  64 \r
  65 }}