-/*\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
-#ifdef _MSC_VER\r
-#pragma warning (disable : 4244)\r
-#endif\r
-\r
-#include "output.h"\r
-\r
-#include "frame_consumer.h"\r
-#include "port.h"\r
-\r
-#include "../video_format.h"\r
-#include "../frame/frame.h"\r
-\r
-#include <common/assert.h>\r
-#include <common/future.h>\r
-#include <common/executor.h>\r
-#include <common/diagnostics/graph.h>\r
-#include <common/prec_timer.h>\r
-#include <common/memshfl.h>\r
-#include <common/env.h>\r
-\r
-#include <boost/circular_buffer.hpp>\r
-#include <boost/lexical_cast.hpp>\r
-#include <boost/property_tree/ptree.hpp>\r
-#include <boost/range/algorithm.hpp>\r
-#include <boost/range/adaptors.hpp>\r
-#include <boost/timer.hpp>\r
-\r
-namespace caspar { namespace core {\r
-\r
-struct output::impl\r
-{ \r
- spl::shared_ptr<diagnostics::graph> graph_;\r
- monitor::basic_subject event_subject_;\r
- const int channel_index_;\r
- video_format_desc format_desc_;\r
- std::map<int, port> ports_; \r
- prec_timer sync_timer_;\r
- boost::circular_buffer<const_frame> frames_;\r
- executor executor_; \r
-public:\r
- impl(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, int channel_index) \r
- : graph_(std::move(graph))\r
- , event_subject_("output")\r
- , channel_index_(channel_index)\r
- , format_desc_(format_desc)\r
- , executor_(L"output")\r
- {\r
- graph_->set_color("consume-time", diagnostics::color(1.0f, 0.4f, 0.0f, 0.8));\r
- } \r
- \r
- void add(int index, spl::shared_ptr<frame_consumer> consumer)\r
- { \r
- remove(index);\r
-\r
- consumer->initialize(format_desc_, channel_index_);\r
- \r
- executor_.begin_invoke([this, index, consumer]\r
- { \r
- port p(index, channel_index_, std::move(consumer));\r
- p.subscribe(event_subject_);\r
- ports_.insert(std::make_pair(index, std::move(p)));\r
- }, task_priority::high_priority);\r
- }\r
-\r
- void add(const spl::shared_ptr<frame_consumer>& consumer)\r
- {\r
- add(consumer->index(), consumer);\r
- }\r
-\r
- void remove(int index)\r
- { \r
- executor_.begin_invoke([=]\r
- {\r
- auto it = ports_.find(index);\r
- if(it != ports_.end())\r
- ports_.erase(it); \r
- }, task_priority::high_priority);\r
- }\r
-\r
- void remove(const spl::shared_ptr<frame_consumer>& consumer)\r
- {\r
- remove(consumer->index());\r
- }\r
- \r
- void video_format_desc(const core::video_format_desc& format_desc)\r
- {\r
- executor_.invoke([&]\r
- {\r
- if(format_desc_ == format_desc)\r
- return;\r
-\r
- auto it = ports_.begin();\r
- while(it != ports_.end())\r
- { \r
- try\r
- {\r
- it->second.video_format_desc(format_desc);\r
- ++it;\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- ports_.erase(it++);\r
- }\r
- }\r
- \r
- format_desc_ = format_desc;\r
- frames_.clear();\r
- });\r
- }\r
-\r
- std::pair<int, int> minmax_buffer_depth() const\r
- { \r
- if(ports_.empty())\r
- return std::make_pair(0, 0);\r
- \r
- auto buffer_depths = ports_ | \r
- boost::adaptors::map_values | // std::function is MSVC workaround\r
- boost::adaptors::transformed(std::function<int(const port&)>([](const port& p){return p.buffer_depth();})); \r
- \r
-\r
- return std::make_pair(*boost::range::min_element(buffer_depths), *boost::range::max_element(buffer_depths));\r
- }\r
-\r
- bool has_synchronization_clock() const\r
- {\r
- return boost::range::count_if(ports_ | boost::adaptors::map_values,\r
- [](const port& p){return p.has_synchronization_clock();}) > 0;\r
- }\r
- \r
- void operator()(const_frame input_frame, const core::video_format_desc& format_desc)\r
- {\r
- boost::timer frame_timer;\r
-\r
- video_format_desc(format_desc); \r
-\r
- executor_.invoke([=]\r
- { \r
-\r
- if(!has_synchronization_clock())\r
- sync_timer_.tick(1.0/format_desc_.fps);\r
- \r
- if(input_frame.size() != format_desc_.size)\r
- {\r
- CASPAR_LOG(debug) << print() << L" Invalid input frame dimension.";\r
- return;\r
- }\r
-\r
- auto minmax = minmax_buffer_depth();\r
-\r
- frames_.set_capacity(std::max(2, minmax.second - minmax.first) + 1); // std::max(2, x) since we want to guarantee some pipeline depth for asycnhronous mixer read-back.\r
- frames_.push_back(input_frame);\r
-\r
- if(!frames_.full())\r
- return;\r
-\r
- for(auto it = ports_.begin(); it != ports_.end();)\r
- {\r
- auto& port = it->second;\r
- auto& frame = frames_.at(port.buffer_depth()-minmax.first);\r
- \r
- try\r
- {\r
- if(port.send(frame))\r
- ++it;\r
- else\r
- ports_.erase(it++); \r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- ports_.erase(it++);\r
- }\r
- }\r
- });\r
-\r
- graph_->set_value("consume-time", frame_timer.elapsed()*format_desc.fps*0.5);\r
- }\r
-\r
- std::wstring print() const\r
- {\r
- return L"output[" + boost::lexical_cast<std::wstring>(channel_index_) + L"]";\r
- }\r
-\r
- boost::unique_future<boost::property_tree::wptree> info()\r
- {\r
- return std::move(executor_.begin_invoke([&]() -> boost::property_tree::wptree\r
- { \r
- boost::property_tree::wptree info;\r
- BOOST_FOREACH(auto& port, ports_)\r
- {\r
- info.add_child(L"consumers.consumer", port.second.info())\r
- .add(L"index", port.first); \r
- }\r
- return info;\r
- }, task_priority::high_priority));\r
- }\r
-};\r
-\r
-output::output(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, int channel_index) : impl_(new impl(std::move(graph), format_desc, channel_index)){}\r
-void output::add(int index, const spl::shared_ptr<frame_consumer>& consumer){impl_->add(index, consumer);}\r
-void output::add(const spl::shared_ptr<frame_consumer>& consumer){impl_->add(consumer);}\r
-void output::remove(int index){impl_->remove(index);}\r
-void output::remove(const spl::shared_ptr<frame_consumer>& consumer){impl_->remove(consumer);}\r
-boost::unique_future<boost::property_tree::wptree> output::info() const{return impl_->info();}\r
-void output::operator()(const_frame frame, const video_format_desc& format_desc){(*impl_)(std::move(frame), format_desc);}\r
-void output::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}\r
-void output::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}\r
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#include "../StdAfx.h"
+
+#ifdef _MSC_VER
+#pragma warning (disable : 4244)
+#endif
+
+#include "output.h"
+
+#include "frame_consumer.h"
+#include "port.h"
+
+#include "../video_format.h"
+#include "../frame/frame.h"
+
+#include <common/assert.h>
+#include <common/future.h>
+#include <common/executor.h>
+#include <common/diagnostics/graph.h>
+#include <common/prec_timer.h>
+#include <common/memshfl.h>
+#include <common/env.h>
+
+#include <boost/circular_buffer.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <boost/range/algorithm.hpp>
+#include <boost/range/adaptors.hpp>
+#include <boost/timer.hpp>
+
+namespace caspar { namespace core {
+
+struct output::impl
+{
+ spl::shared_ptr<diagnostics::graph> graph_;
+ monitor::basic_subject event_subject_;
+ const int channel_index_;
+ video_format_desc format_desc_;
+ std::map<int, port> ports_;
+ prec_timer sync_timer_;
+ boost::circular_buffer<const_frame> frames_;
+ executor executor_;
+public:
+ impl(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, int channel_index)
+ : graph_(std::move(graph))
+ , event_subject_("output")
+ , channel_index_(channel_index)
+ , format_desc_(format_desc)
+ , executor_(L"output")
+ {
+ graph_->set_color("consume-time", diagnostics::color(1.0f, 0.4f, 0.0f, 0.8));
+ }
+
+ void add(int index, spl::shared_ptr<frame_consumer> consumer)
+ {
+ remove(index);
+
+ consumer->initialize(format_desc_, channel_index_);
+
+ executor_.begin_invoke([this, index, consumer]
+ {
+ port p(index, channel_index_, std::move(consumer));
+ p.subscribe(event_subject_);
+ ports_.insert(std::make_pair(index, std::move(p)));
+ }, task_priority::high_priority);
+ }
+
+ void add(const spl::shared_ptr<frame_consumer>& consumer)
+ {
+ add(consumer->index(), consumer);
+ }
+
+ void remove(int index)
+ {
+ executor_.begin_invoke([=]
+ {
+ auto it = ports_.find(index);
+ if(it != ports_.end())
+ ports_.erase(it);
+ }, task_priority::high_priority);
+ }
+
+ void remove(const spl::shared_ptr<frame_consumer>& consumer)
+ {
+ remove(consumer->index());
+ }
+
+ void video_format_desc(const core::video_format_desc& format_desc)
+ {
+ executor_.invoke([&]
+ {
+ if(format_desc_ == format_desc)
+ return;
+
+ auto it = ports_.begin();
+ while(it != ports_.end())
+ {
+ try
+ {
+ it->second.video_format_desc(format_desc);
+ ++it;
+ }
+ catch(...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ ports_.erase(it++);
+ }
+ }
+
+ format_desc_ = format_desc;
+ frames_.clear();
+ });
+ }
+
+ std::pair<int, int> minmax_buffer_depth() const
+ {
+ if(ports_.empty())
+ return std::make_pair(0, 0);
+
+ auto buffer_depths = ports_ |
+ boost::adaptors::map_values | // std::function is MSVC workaround
+ boost::adaptors::transformed(std::function<int(const port&)>([](const port& p){return p.buffer_depth();}));
+
+
+ return std::make_pair(*boost::range::min_element(buffer_depths), *boost::range::max_element(buffer_depths));
+ }
+
+ bool has_synchronization_clock() const
+ {
+ return boost::range::count_if(ports_ | boost::adaptors::map_values,
+ [](const port& p){return p.has_synchronization_clock();}) > 0;
+ }
+
+ void operator()(const_frame input_frame, const core::video_format_desc& format_desc)
+ {
+ boost::timer frame_timer;
+
+ video_format_desc(format_desc);
+
+ executor_.invoke([=]
+ {
+
+ if(!has_synchronization_clock())
+ sync_timer_.tick(1.0/format_desc_.fps);
+
+ if(input_frame.size() != format_desc_.size)
+ {
+ CASPAR_LOG(debug) << print() << L" Invalid input frame dimension.";
+ return;
+ }
+
+ auto minmax = minmax_buffer_depth();
+
+ frames_.set_capacity(std::max(2, minmax.second - minmax.first) + 1); // std::max(2, x) since we want to guarantee some pipeline depth for asycnhronous mixer read-back.
+ frames_.push_back(input_frame);
+
+ if(!frames_.full())
+ return;
+
+ for(auto it = ports_.begin(); it != ports_.end();)
+ {
+ auto& port = it->second;
+ auto& frame = frames_.at(port.buffer_depth()-minmax.first);
+
+ try
+ {
+ if(port.send(frame))
+ ++it;
+ else
+ ports_.erase(it++);
+ }
+ catch(...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ ports_.erase(it++);
+ }
+ }
+ });
+
+ graph_->set_value("consume-time", frame_timer.elapsed()*format_desc.fps*0.5);
+ }
+
+ std::wstring print() const
+ {
+ return L"output[" + boost::lexical_cast<std::wstring>(channel_index_) + L"]";
+ }
+
+ boost::unique_future<boost::property_tree::wptree> info()
+ {
+ return std::move(executor_.begin_invoke([&]() -> boost::property_tree::wptree
+ {
+ boost::property_tree::wptree info;
+ BOOST_FOREACH(auto& port, ports_)
+ {
+ info.add_child(L"consumers.consumer", port.second.info())
+ .add(L"index", port.first);
+ }
+ return info;
+ }, task_priority::high_priority));
+ }
+};
+
+output::output(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, int channel_index) : impl_(new impl(std::move(graph), format_desc, channel_index)){}
+void output::add(int index, const spl::shared_ptr<frame_consumer>& consumer){impl_->add(index, consumer);}
+void output::add(const spl::shared_ptr<frame_consumer>& consumer){impl_->add(consumer);}
+void output::remove(int index){impl_->remove(index);}
+void output::remove(const spl::shared_ptr<frame_consumer>& consumer){impl_->remove(consumer);}
+boost::unique_future<boost::property_tree::wptree> output::info() const{return impl_->info();}
+void output::operator()(const_frame frame, const video_format_desc& format_desc){(*impl_)(std::move(frame), format_desc);}
+void output::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}
+void output::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}
}}
\ No newline at end of file
projects / casparcg / blobdiff