/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
*\r
-* This file is part of CasparCG.\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
+* 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
+* 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 "frame/basic_frame.h"\r
-#include "frame/frame_transform.h"\r
+\r
+#include "../frame/draw_frame.h"\r
+#include "../frame/frame_transform.h"\r
\r
#include "color/color_producer.h"\r
#include "separated/separated_producer.h"\r
\r
-#include <common/memory/safe_ptr.h>\r
-#include <common/exception/exceptions.h>\r
+#include <common/assert.h>\r
+#include <common/except.h>\r
+#include <common/executor.h>\r
+#include <common/future.h>\r
+#include <common/memory.h>\r
+\r
+#include <boost/thread.hpp>\r
\r
namespace caspar { namespace core {\r
\r
std::vector<const producer_factory_t> g_factories;\r
\r
-const safe_ptr<frame_producer>& frame_producer::empty() // nothrow\r
+void register_producer_factory(const producer_factory_t& factory)\r
+{\r
+ g_factories.push_back(factory);\r
+}\r
+\r
+struct frame_producer_base::impl\r
{\r
- struct empty_frame_producer : public frame_producer\r
+ tbb::atomic<uint32_t> frame_number_;\r
+ tbb::atomic<bool> paused_;\r
+ frame_producer_base& self_;\r
+ draw_frame last_frame_;\r
+\r
+ impl(frame_producer_base& self)\r
+ : self_(self)\r
+ , last_frame_(draw_frame::empty())\r
+ {\r
+ frame_number_ = 0;\r
+ paused_ = false;\r
+ }\r
+ \r
+ draw_frame receive()\r
+ {\r
+ if(paused_)\r
+ return self_.last_frame();\r
+\r
+ auto frame = draw_frame::push(self_.receive_impl());\r
+ if(frame == draw_frame::late())\r
+ return frame;\r
+\r
+ ++frame_number_;\r
+\r
+ return last_frame_ = frame;\r
+ }\r
+\r
+ void paused(bool value)\r
{\r
- virtual safe_ptr<basic_frame> receive(int){return basic_frame::empty();}\r
- virtual safe_ptr<basic_frame> last_frame() const{return basic_frame::empty();}\r
- virtual void set_frame_factory(const safe_ptr<frame_factory>&){}\r
- virtual int64_t nb_frames() const {return 0;}\r
- virtual std::wstring print() const { return L"empty";}\r
+ paused_ = value;\r
+ }\r
+\r
+ draw_frame last_frame() const\r
+ {\r
+ return draw_frame::still(last_frame_);\r
+ }\r
+};\r
+\r
+frame_producer_base::frame_producer_base() : impl_(new impl(*this))\r
+{\r
+}\r
+\r
+frame_producer_base::frame_producer_base(frame_producer_base& self) : impl_(new impl(self))\r
+{\r
+}\r
+\r
+draw_frame frame_producer_base::receive()\r
+{\r
+ return impl_->receive();\r
+}\r
+\r
+void frame_producer_base::paused(bool value)\r
+{\r
+ impl_->paused(value);\r
+}\r
+\r
+draw_frame frame_producer_base::last_frame() const\r
+{\r
+ return impl_->last_frame();\r
+}\r
+\r
+boost::unique_future<std::wstring> frame_producer_base::call(const std::wstring&) \r
+{\r
+ BOOST_THROW_EXCEPTION(not_supported());\r
+}\r
+\r
+uint32_t frame_producer_base::nb_frames() const\r
+{\r
+ return std::numeric_limits<uint32_t>::max();\r
+}\r
+\r
+uint32_t frame_producer_base::frame_number() const\r
+{\r
+ return impl_->frame_number_;\r
+}\r
+\r
+const spl::shared_ptr<frame_producer>& frame_producer::empty() \r
+{\r
+ class empty_frame_producer : public frame_producer\r
+ {\r
+ public:\r
+ empty_frame_producer(){}\r
+ draw_frame receive() override{return draw_frame::empty();}\r
+ void paused(bool value) override{}\r
+ uint32_t nb_frames() const override {return 0;}\r
+ std::wstring print() const override { return L"empty";}\r
+ void subscribe(const monitor::observable::observer_ptr& o) override{}\r
+ void unsubscribe(const monitor::observable::observer_ptr& o) override{} \r
+ std::wstring name() const override {return L"empty";}\r
+ uint32_t frame_number() const override {return 0;}\r
+ boost::unique_future<std::wstring> call(const std::wstring& params) override{BOOST_THROW_EXCEPTION(not_supported());}\r
+ draw_frame last_frame() const {return draw_frame::empty();}\r
+ \r
+ 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
- static safe_ptr<frame_producer> producer = make_safe<empty_frame_producer>();\r
+\r
+ static spl::shared_ptr<frame_producer> producer = spl::make_shared<empty_frame_producer>();\r
return producer;\r
} \r
\r
-safe_ptr<basic_frame> receive_and_follow(safe_ptr<frame_producer>& producer, int hints)\r
+class destroy_producer_proxy : public frame_producer\r
{ \r
- auto frame = producer->receive(hints);\r
- if(frame == basic_frame::eof())\r
+ std::shared_ptr<frame_producer> producer_;\r
+public:\r
+ destroy_producer_proxy(spl::shared_ptr<frame_producer>&& producer) \r
+ : producer_(std::move(producer))\r
{\r
- CASPAR_LOG(info) << producer->print() << " End Of File.";\r
- auto following = producer->get_following_producer();\r
- following->set_leading_producer(producer);\r
- producer = std::move(following); \r
- \r
- if(producer == frame_producer::empty())\r
- return basic_frame::eof();\r
-\r
- return receive_and_follow(producer, hints);\r
}\r
- return frame;\r
-}\r
\r
-void register_producer_factory(const producer_factory_t& factory)\r
+ virtual ~destroy_producer_proxy()\r
+ { \r
+ static tbb::atomic<int> counter = tbb::atomic<int>();\r
+ \r
+ if(producer_ == core::frame_producer::empty())\r
+ return;\r
+\r
+ ++counter;\r
+ CASPAR_VERIFY(counter < 8);\r
+ \r
+ auto producer = new spl::shared_ptr<frame_producer>(std::move(producer_));\r
+ boost::thread([=]\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
+ pointer_guard.reset();\r
+ CASPAR_LOG(info) << str << L" Destroyed.";\r
+\r
+ --counter;\r
+ }).detach(); \r
+ }\r
+ \r
+ draw_frame receive() override {return producer_->receive();}\r
+ std::wstring print() const override {return producer_->print();}\r
+ void paused(bool value) override {producer_->paused(value);}\r
+ std::wstring name() const override {return producer_->name();}\r
+ uint32_t frame_number() const override {return producer_->frame_number();}\r
+ boost::property_tree::wptree info() const override {return producer_->info();}\r
+ boost::unique_future<std::wstring> call(const std::wstring& str) override {return producer_->call(str);}\r
+ void leading_producer(const spl::shared_ptr<frame_producer>& producer) override {return producer_->leading_producer(producer);}\r
+ uint32_t nb_frames() const override {return producer_->nb_frames();}\r
+ class draw_frame last_frame() const {return producer_->last_frame();}\r
+ void subscribe(const monitor::observable::observer_ptr& o) {return producer_->subscribe(o);}\r
+ void unsubscribe(const monitor::observable::observer_ptr& o) {return producer_->unsubscribe(o);}\r
+};\r
+\r
+spl::shared_ptr<core::frame_producer> create_destroy_proxy(spl::shared_ptr<core::frame_producer> producer)\r
{\r
- g_factories.push_back(factory);\r
+ return spl::make_shared<destroy_producer_proxy>(std::move(producer));\r
}\r
\r
-safe_ptr<core::frame_producer> do_create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
+spl::shared_ptr<core::frame_producer> do_create_producer(const spl::shared_ptr<frame_factory>& my_frame_factory, const video_format_desc& format_desc, 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
try\r
{\r
- producer = factory(my_frame_factory, params);\r
+ producer = factory(my_frame_factory, format_desc, params);\r
}\r
catch(...)\r
{\r
\r
if(producer == frame_producer::empty())\r
producer = create_color_producer(my_frame_factory, params);\r
- \r
- return producer;\r
-}\r
\r
+ if(producer == frame_producer::empty())\r
+ return producer;\r
+ \r
+ return create_destroy_proxy(producer);\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
+spl::shared_ptr<core::frame_producer> create_producer(const spl::shared_ptr<frame_factory>& my_frame_factory, const video_format_desc& format_desc, const std::vector<std::wstring>& params)\r
{ \r
- auto producer = do_create_producer(my_frame_factory, params);\r
+ auto producer = do_create_producer(my_frame_factory, format_desc, params);\r
auto key_producer = frame_producer::empty();\r
\r
try // to find a key file.\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
+ key_producer = do_create_producer(my_frame_factory, format_desc, 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
+ key_producer = do_create_producer(my_frame_factory, format_desc, params_copy); \r
}\r
}\r
}\r
catch(...){}\r
\r
if(producer != frame_producer::empty() && key_producer != frame_producer::empty())\r
- producer = create_separated_producer(producer, key_producer);\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(narrow(str)));\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 video_format_desc& format_desc, 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, format_desc, tokens);\r
+}\r
+\r
}}
\ No newline at end of file
projects / casparcg / blobdiff