git.sesse.net Git - casparcg/blob - core/consumer/frame_consumer.cpp

   1 #include "../StdAfx.h"\r
   2 \r
   3 #include "frame_consumer.h"\r
   4 \r
   5 #include <common/memory/safe_ptr.h>\r
   6 \r
   7 #include <tbb/spin_rw_mutex.h>\r
   8 \r
   9 namespace caspar { namespace core {\r
  10         \r
  11 std::vector<const consumer_factory_t> c_factories;\r
  12 tbb::spin_rw_mutex c_factories_mutex;\r
  13 \r
  14 void register_consumer_factory(const consumer_factory_t& factory)\r
  15 {\r
  16         tbb::spin_rw_mutex::scoped_lock(c_factories_mutex, true);\r
  17         c_factories.push_back(factory);\r
  18 }\r
  19 \r
  20 safe_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)\r
  21 {\r
  22         if(params.empty())\r
  23                 BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("params") << arg_value_info(""));\r
  24         \r
  25         tbb::spin_rw_mutex::scoped_lock(c_factories_mutex, false);\r
  26         auto consumer = frame_consumer::empty();\r
  27         std::any_of(c_factories.begin(), c_factories.end(), [&](const consumer_factory_t& factory) -> bool\r
  28                 {\r
  29                         try\r
  30                         {\r
  31                                 consumer = factory(params);\r
  32                         }\r
  33                         catch(...)\r
  34                         {\r
  35                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  36                         }\r
  37                         return consumer != frame_consumer::empty();\r
  38                 });\r
  39 \r
  40         if(consumer == frame_consumer::empty())\r
  41                 BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax."));\r
  42 \r
  43         return consumer;\r
  44 }\r
  45 \r
  46 }}