+/*\r
+* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+*\r
+* This file is part of CasparCG.\r
+*\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
+*\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+* GNU General Public License for more details.\r
+\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
+*\r
+*/\r
+\r
#include "../StdAfx.h"\r
\r
#include "frame_producer.h"\r
+#include "frame/basic_frame.h"\r
+\r
#include "color/color_producer.h"\r
+#include "separated/separated_producer.h"\r
\r
#include <common/memory/safe_ptr.h>\r
\r
-#include <tbb/spin_rw_mutex.h>\r
-\r
namespace caspar { namespace core {\r
\r
-std::vector<const producer_factory_t> p_factories;\r
-tbb::spin_rw_mutex p_factories_mutex;\r
+std::vector<const producer_factory_t> g_factories;\r
\r
-safe_ptr<basic_frame> receive(safe_ptr<frame_producer>& producer)\r
+const safe_ptr<frame_producer>& frame_producer::empty() // nothrow\r
{\r
+ struct empty_frame_producer : public frame_producer\r
+ {\r
+ virtual safe_ptr<basic_frame> receive(){return basic_frame::empty();}\r
+ virtual void set_frame_factory(const safe_ptr<frame_factory>&){}\r
+ virtual std::wstring print() const { return L"empty";}\r
+ };\r
+ static safe_ptr<frame_producer> producer = make_safe<empty_frame_producer>();\r
+ return producer;\r
+} \r
+\r
+safe_ptr<basic_frame> receive_and_follow(safe_ptr<frame_producer>& producer)\r
+{ \r
+ if(producer == frame_producer::empty())\r
+ return basic_frame::eof();\r
+\r
auto frame = basic_frame::eof();\r
try\r
{\r
{\r
try\r
{\r
+ // Producer will be removed since frame == basic_frame::eof.\r
CASPAR_LOG_CURRENT_EXCEPTION();\r
CASPAR_LOG(warning) << producer->print() << " Failed to receive frame. Removing producer.";\r
}\r
\r
if(frame == basic_frame::eof())\r
{\r
+ CASPAR_LOG(info) << producer->print() << " End Of File.";\r
auto following = producer->get_following_producer();\r
- if(following == frame_producer::empty())\r
- producer = frame_producer::eof();\r
- else\r
- {\r
- following->set_leading_producer(producer);\r
- producer = std::move(following);\r
- return receive(producer);\r
- }\r
+ following->set_leading_producer(producer);\r
+ producer = std::move(following); \r
+ \r
+ return receive_and_follow(producer);\r
}\r
return frame;\r
}\r
\r
-std::wostream& operator<<(std::wostream& out, const frame_producer& producer)\r
-{\r
- out << producer.print().c_str();\r
- return out;\r
-}\r
-\r
-std::wostream& operator<<(std::wostream& out, const safe_ptr<const frame_producer>& producer)\r
-{\r
- out << producer->print().c_str();\r
- return out;\r
-}\r
-\r
void register_producer_factory(const producer_factory_t& factory)\r
{\r
- tbb::spin_rw_mutex::scoped_lock(p_factories_mutex, true);\r
- p_factories.push_back(factory);\r
+ g_factories.push_back(factory);\r
}\r
\r
-safe_ptr<core::frame_producer> create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
+safe_ptr<core::frame_producer> do_create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
{\r
if(params.empty())\r
BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("params") << arg_value_info(""));\r
\r
- tbb::spin_rw_mutex::scoped_lock(p_factories_mutex, false);\r
auto producer = frame_producer::empty();\r
- std::any_of(p_factories.begin(), p_factories.end(), [&](const producer_factory_t& factory) -> bool\r
+ std::any_of(g_factories.begin(), g_factories.end(), [&](const producer_factory_t& factory) -> bool\r
{\r
try\r
{\r
return producer;\r
}\r
\r
+\r
+safe_ptr<core::frame_producer> create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
+{ \r
+ auto producer = do_create_producer(my_frame_factory, params);\r
+ auto key_producer = frame_producer::empty();\r
+ \r
+ try // to find a key file.\r
+ {\r
+ auto params_copy = params;\r
+ if(params_copy.size() > 0)\r
+ {\r
+ params_copy[0] += L"_A";\r
+ key_producer = do_create_producer(my_frame_factory, params_copy); \r
+ }\r
+ }\r
+ catch(...){}\r
+\r
+ if(key_producer != frame_producer::empty())\r
+ return create_separated_producer(producer, key_producer);\r
+\r
+ return producer;\r
+}\r
+\r
}}
\ No newline at end of file
projects / casparcg / blobdiff