+/*\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
+*\r
+* This file is part of CasparCG (www.casparcg.com).\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
+* Author: Robert Nagy, ronag89@gmail.com\r
+*/\r
+\r
#include "../StdAfx.h"\r
\r
#include "frame_producer.h"\r
-#include "color/color_producer.h"\r
\r
-#include <common/memory/safe_ptr.h>\r
+#include "../frame/draw_frame.h"\r
+#include "../frame/frame_transform.h"\r
\r
-#include <tbb/spin_rw_mutex.h>\r
+#include "color/color_producer.h"\r
+#include "separated/separated_producer.h"\r
+\r
+#include <common/assert.h>\r
+#include <common/except.h>\r
+#include <common/concurrency/executor.h>\r
+#include <common/concurrency/async.h>\r
+#include <common/spl/memory.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
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
+boost::unique_future<std::wstring> frame_producer::call(const std::wstring&) \r
+{\r
+ BOOST_THROW_EXCEPTION(not_supported());\r
}\r
\r
-safe_ptr<core::frame_producer> create_producer(const std::vector<std::wstring>& params)\r
+const spl::shared_ptr<frame_producer>& frame_producer::empty() // nothrow\r
+{\r
+\r
+struct empty_frame_producer : public frame_producer\r
+{\r
+ virtual spl::shared_ptr<draw_frame> receive(int){return draw_frame::empty();}\r
+ virtual spl::shared_ptr<draw_frame> last_frame() const{return draw_frame::empty();}\r
+ virtual void set_frame_factory(const spl::shared_ptr<frame_factory>&){}\r
+ virtual uint32_t nb_frames() const {return 0;}\r
+ virtual std::wstring print() const { return L"empty";}\r
+ virtual void subscribe(const monitor::observable::observer_ptr& o){}\r
+ virtual void unsubscribe(const monitor::observable::observer_ptr& o){} \r
+ virtual std::wstring name() const {return L"empty";}\r
+ \r
+ virtual boost::property_tree::wptree info() const override\r
+ {\r
+ boost::property_tree::wptree info;\r
+ info.add(L"type", L"empty-producer");\r
+ return info;\r
+ }\r
+};\r
+\r
+ static spl::shared_ptr<frame_producer> producer = spl::make_shared<empty_frame_producer>();\r
+ return producer;\r
+} \r
+\r
+class producer_proxy : public frame_producer\r
+{ \r
+ std::shared_ptr<frame_producer> producer_;\r
+public:\r
+ producer_proxy(spl::shared_ptr<frame_producer>&& producer) \r
+ : producer_(std::move(producer))\r
+ {\r
+ CASPAR_LOG(info) << producer_->print() << L" Initialized.";\r
+ }\r
+\r
+ virtual ~producer_proxy()\r
+ { \r
+ static tbb::atomic<int> counter = tbb::atomic<int>();\r
+ \r
+ ++counter;\r
+ CASPAR_VERIFY(counter < 32);\r
+ \r
+ auto producer = new spl::shared_ptr<frame_producer>(std::move(producer_));\r
+ async([=]\r
+ {\r
+ std::unique_ptr<spl::shared_ptr<frame_producer>> pointer_guard(producer);\r
+ auto str = (*producer)->print();\r
+ try\r
+ {\r
+ if(!producer->unique())\r
+ CASPAR_LOG(trace) << str << L" Not destroyed on asynchronous destruction thread: " << producer->use_count();\r
+ else\r
+ CASPAR_LOG(trace) << str << L" Destroying on asynchronous destruction thread.";\r
+ }\r
+ catch(...){}\r
+ \r
+ CASPAR_LOG(trace) << str << L" Uninitializing.";\r
+ pointer_guard.reset();\r
+ CASPAR_LOG(info) << str << L" Uninitialized.";\r
+\r
+ --counter;\r
+ }); \r
+ }\r
+ \r
+ virtual spl::shared_ptr<draw_frame> receive(int flags) override {return producer_->receive(flags);}\r
+ virtual spl::shared_ptr<draw_frame> last_frame() const override {return producer_->last_frame();}\r
+ virtual std::wstring print() const override {return producer_->print();}\r
+ virtual std::wstring name() const override {return producer_->name();}\r
+ virtual boost::property_tree::wptree info() const override {return producer_->info();}\r
+ virtual boost::unique_future<std::wstring> call(const std::wstring& str) override {return producer_->call(str);}\r
+ virtual void leading_producer(const spl::shared_ptr<frame_producer>& producer) override {return producer_->leading_producer(producer);}\r
+ virtual uint32_t nb_frames() const override {return producer_->nb_frames();}\r
+ virtual void subscribe(const monitor::observable::observer_ptr& o) {return producer_->subscribe(o);}\r
+ virtual void unsubscribe(const monitor::observable::observer_ptr& o) {return producer_->unsubscribe(o);}\r
+};\r
+\r
+spl::shared_ptr<core::frame_producer> wrap_producer(spl::shared_ptr<core::frame_producer> producer)\r
+{\r
+ return spl::make_shared<producer_proxy>(std::move(producer));\r
+}\r
+\r
+spl::shared_ptr<core::frame_producer> do_create_producer(const spl::shared_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
- producer = factory(params);\r
+ producer = factory(my_frame_factory, params);\r
}\r
catch(...)\r
{\r
});\r
\r
if(producer == frame_producer::empty())\r
- producer = create_color_producer(params);\r
+ producer = create_color_producer(my_frame_factory, params);\r
\r
if(producer == frame_producer::empty())\r
- BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax."));\r
+ return producer;\r
+ \r
+ return producer;\r
+}\r
+\r
+spl::shared_ptr<core::frame_producer> create_producer(const spl::shared_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
+ if(key_producer == frame_producer::empty())\r
+ {\r
+ params_copy[0] += L"LPHA";\r
+ key_producer = do_create_producer(my_frame_factory, params_copy); \r
+ }\r
+ }\r
+ }\r
+ catch(...){}\r
+\r
+ if(producer != frame_producer::empty() && key_producer != frame_producer::empty())\r
+ return create_separated_producer(producer, key_producer);\r
+ \r
+ if(producer == frame_producer::empty())\r
+ {\r
+ std::wstring str;\r
+ BOOST_FOREACH(auto& param, params)\r
+ str += param + L" ";\r
+ BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax.") << arg_value_info(u8(str)));\r
+ }\r
\r
return producer;\r
}\r
\r
+\r
+spl::shared_ptr<core::frame_producer> create_producer(const spl::shared_ptr<frame_factory>& factory, const std::wstring& params)\r
+{\r
+ std::wstringstream iss(params);\r
+ std::vector<std::wstring> tokens;\r
+ typedef std::istream_iterator<std::wstring, wchar_t, std::char_traits<wchar_t> > iterator;\r
+ std::copy(iterator(iss), iterator(), std::back_inserter(tokens));\r
+ return create_producer(factory, tokens);\r
+}\r
+\r
}}
\ No newline at end of file
projects / casparcg / blobdiff