git.sesse.net Git - casparcg/blob - core/producer/frame_producer.cpp

   1 #include "../StdAfx.h"\r
   2 \r
   3 #include "frame_producer.h"\r
   4 #include "color/color_producer.h"\r
   5 \r
   6 #include <common/memory/safe_ptr.h>\r
   7 \r
   8 #include <tbb/spin_rw_mutex.h>\r
   9 \r
  10 namespace caspar { namespace core {\r
  11         \r
  12 std::vector<const producer_factory_t> p_factories;\r
  13 tbb::spin_rw_mutex p_factories_mutex;\r
  14 \r
  15 void register_producer_factory(const producer_factory_t& factory)\r
  16 {\r
  17         tbb::spin_rw_mutex::scoped_lock(p_factories_mutex, true);\r
  18         p_factories.push_back(factory);\r
  19 }\r
  20 \r
  21 safe_ptr<core::frame_producer> create_producer(const std::vector<std::wstring>& params)\r
  22 {\r
  23         if(params.empty())\r
  24                 BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("params") << arg_value_info(""));\r
  25         \r
  26         tbb::spin_rw_mutex::scoped_lock(p_factories_mutex, false);\r
  27         auto producer = frame_producer::empty();\r
  28         std::any_of(p_factories.begin(), p_factories.end(), [&](const producer_factory_t& factory) -> bool\r
  29                 {\r
  30                         try\r
  31                         {\r
  32                                 producer = factory(params);\r
  33                         }\r
  34                         catch(...)\r
  35                         {\r
  36                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  37                         }\r
  38                         return producer != frame_producer::empty();\r
  39                 });\r
  40 \r
  41         if(producer == frame_producer::empty())\r
  42                 producer = create_color_producer(params);\r
  43 \r
  44         if(producer == frame_producer::empty())\r
  45                 BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax."));\r
  46 \r
  47         return producer;\r
  48 }\r
  49 \r
  50 }}