-/*\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 "video_channel.h"\r
-\r
-#include "video_format.h"\r
-\r
-#include "consumer/output.h"\r
-#include "mixer/mixer.h"\r
-#include "producer/stage.h"\r
-\r
-#include <common/concurrency/executor.h>\r
-#include <common/diagnostics/graph.h>\r
-\r
-#include "mixer/gpu/ogl_device.h"\r
-\r
-#include <agents_extras.h>\r
-\r
-#include <boost/timer.hpp>\r
-\r
-#ifdef _MSC_VER\r
-#pragma warning(disable : 4355)\r
-#endif\r
-\r
-namespace caspar { namespace core {\r
-\r
-struct video_channel::implementation : boost::noncopyable\r
-{\r
- Concurrency::unbounded_buffer<safe_ptr<message<std::map<int, safe_ptr<basic_frame>>>>> stage_frames_;\r
- Concurrency::unbounded_buffer<safe_ptr<message<safe_ptr<read_frame>>>> mixer_frames_;\r
- \r
- const video_format_desc format_desc_;\r
-\r
- safe_ptr<caspar::core::output> output_;\r
- std::shared_ptr<caspar::core::mixer> mixer_;\r
- safe_ptr<caspar::core::stage> stage_;\r
-\r
- safe_ptr<diagnostics::graph> graph_;\r
- boost::timer frame_timer_;\r
- boost::timer tick_timer_;\r
- boost::timer output_timer_;\r
- \r
-public:\r
- implementation(int index, const video_format_desc& format_desc, ogl_device& ogl) \r
- : graph_(diagnostics::create_graph(narrow(print()), false))\r
- , format_desc_(format_desc)\r
- , output_(new caspar::core::output(mixer_frames_, format_desc))\r
- , mixer_(new caspar::core::mixer(stage_frames_, mixer_frames_, format_desc, ogl))\r
- , stage_(new caspar::core::stage(stage_frames_)) \r
- {\r
- graph_->add_guide("produce-time", 0.5f); \r
- graph_->set_color("produce-time", diagnostics::color(0.0f, 1.0f, 0.0f));\r
- graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f)); \r
- graph_->set_color("output-time", diagnostics::color(1.0f, 0.5f, 0.0f));\r
- graph_->set_color("mix-time", diagnostics::color(1.0f, 1.0f, 0.9f));\r
- graph_->start();\r
-\r
- CASPAR_LOG(info) << print() << " Successfully Initialized.";\r
- }\r
- \r
- //void tick()\r
- //{\r
- // try\r
- // {\r
- // // Produce\r
-\r
- // frame_timer_.restart();\r
-\r
- // auto simple_frames = stage_->execute();\r
-\r
- // graph_->update_value("produce-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
- // \r
- // // Mix\r
-\r
- // frame_timer_.restart();\r
-\r
- // auto finished_frame = mixer_->execute(simple_frames);\r
- // \r
- // graph_->update_value("mix-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
- // \r
- // // Consume\r
- // \r
- // output_timer_.restart();\r
-\r
- // output_->execute(finished_frame);\r
- // \r
- // graph_->update_value("output-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
-\r
- // \r
- // graph_->update_value("tick-time", tick_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
- // tick_timer_.restart();\r
- // }\r
- // catch(...)\r
- // {\r
- // CASPAR_LOG_CURRENT_EXCEPTION();\r
- // CASPAR_LOG(error) << context_.print() << L" Unexpected exception. Clearing stage and freeing memory";\r
- // restart();\r
- // }\r
-\r
- // context_.execution().begin_invoke([this]{tick();});\r
- //}\r
-\r
- //void restart()\r
- //{\r
- // stage_->clear();\r
- // context_.ogl().gc().wait();\r
-\r
- // mixer_ = nullptr;\r
- // mixer_.reset(new caspar::core::mixer(context_));\r
- //}\r
- \r
- std::wstring print() const\r
- {\r
- return L"video_channel";\r
- }\r
-\r
- //void set_video_format_desc(const video_format_desc& format_desc)\r
- //{\r
- // context_.execution().begin_invoke([=]\r
- // {\r
- // stage_->clear();\r
- // context_.ogl().gc().wait();\r
- // context_.set_format_desc(format_desc);\r
- // });\r
- //}\r
-};\r
-\r
-video_channel::video_channel(int index, const video_format_desc& format_desc, ogl_device& ogl) : impl_(new implementation(index, format_desc, ogl)){}\r
-video_channel::video_channel(video_channel&& other) : impl_(std::move(other.impl_)){}\r
-safe_ptr<stage> video_channel::stage() { return impl_->stage_;} \r
-safe_ptr<mixer> video_channel::mixer() { return make_safe_ptr(impl_->mixer_);} \r
-safe_ptr<output> video_channel::output() { return impl_->output_;} \r
-video_format_desc video_channel::get_video_format_desc() const{return impl_->format_desc_;}\r
-std::wstring video_channel::print() const { return impl_->print();}\r
-\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"
+
+#include "video_channel.h"
+
+#include "video_format.h"
+
+#include "producer/stage.h"
+#include "mixer/mixer.h"
+#include "consumer/output.h"
+#include "frame/frame.h"
+#include "frame/draw_frame.h"
+#include "frame/frame_factory.h"
+
+#include <common/diagnostics/graph.h>
+#include <common/env.h>
+#include <common/lock.h>
+#include <common/executor.h>
+
+#include <core/mixer/image/image_mixer.h>
+
+#include <tbb/spin_mutex.h>
+
+#include <boost/property_tree/ptree.hpp>
+
+#include <string>
+
+namespace caspar { namespace core {
+
+struct video_channel::impl sealed
+{
+ monitor::basic_subject event_subject_;
+
+ const int index_;
+
+ mutable tbb::spin_mutex format_desc_mutex_;
+ core::video_format_desc format_desc_;
+
+ const spl::shared_ptr<diagnostics::graph> graph_;
+
+ caspar::core::output output_;
+ spl::shared_ptr<image_mixer> image_mixer_;
+ caspar::core::mixer mixer_;
+ caspar::core::stage stage_;
+
+ executor executor_;
+public:
+ impl(int index, const core::video_format_desc& format_desc, std::unique_ptr<image_mixer> image_mixer)
+ : event_subject_(monitor::path() % "channel" % index)
+ , index_(index)
+ , format_desc_(format_desc)
+ , output_(graph_, format_desc, index)
+ , image_mixer_(std::move(image_mixer))
+ , mixer_(graph_, image_mixer_)
+ , stage_(graph_)
+ , executor_(L"video_channel")
+ {
+ graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
+ graph_->set_text(print());
+ diagnostics::register_graph(graph_);
+
+ output_.subscribe(event_subject_);
+ stage_.subscribe(event_subject_);
+
+ executor_.begin_invoke([=]{tick();});
+
+ CASPAR_LOG(info) << print() << " Successfully Initialized.";
+ }
+
+ core::video_format_desc video_format_desc() const
+ {
+ return lock(format_desc_mutex_, [&]
+ {
+ return format_desc_;
+ });
+ }
+
+ void video_format_desc(const core::video_format_desc& format_desc)
+ {
+ lock(format_desc_mutex_, [&]
+ {
+ format_desc_ = format_desc;
+ stage_.clear();
+ });
+ }
+
+ void tick()
+ {
+ try
+ {
+
+ auto format_desc = video_format_desc();
+
+ boost::timer frame_timer;
+
+ // Produce
+
+ auto stage_frames = stage_(format_desc);
+
+ // Mix
+
+ auto mixed_frame = mixer_(std::move(stage_frames), format_desc);
+
+ // Consume
+
+ output_(std::move(mixed_frame), format_desc);
+
+ graph_->set_value("tick-time", frame_timer.elapsed()*format_desc.fps*0.5);
+
+ event_subject_ << monitor::event("profiler/time") % frame_timer.elapsed() % (1.0/format_desc_.fps)
+ << monitor::event("format") % format_desc.name;
+ }
+ catch(...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ }
+
+ executor_.begin_invoke([=]{tick();});
+ }
+
+ std::wstring print() const
+ {
+ return L"video_channel[" + boost::lexical_cast<std::wstring>(index_) + L"|" + video_format_desc().name + L"]";
+ }
+
+ boost::property_tree::wptree info() const
+ {
+ boost::property_tree::wptree info;
+
+ auto stage_info = stage_.info();
+ auto mixer_info = mixer_.info();
+ auto output_info = output_.info();
+
+ info.add(L"video-mode", format_desc_.name);
+ info.add_child(L"stage", stage_info.get());
+ info.add_child(L"mixer", mixer_info.get());
+ info.add_child(L"output", output_info.get());
+
+ return info;
+ }
+};
+
+video_channel::video_channel(int index, const core::video_format_desc& format_desc, std::unique_ptr<image_mixer> image_mixer) : impl_(new impl(index, format_desc, std::move(image_mixer))){}
+video_channel::~video_channel(){}
+const stage& video_channel::stage() const { return impl_->stage_;}
+stage& video_channel::stage() { return impl_->stage_;}
+const mixer& video_channel::mixer() const{ return impl_->mixer_;}
+mixer& video_channel::mixer() { return impl_->mixer_;}
+const output& video_channel::output() const { return impl_->output_;}
+output& video_channel::output() { return impl_->output_;}
+spl::shared_ptr<frame_factory> video_channel::frame_factory() { return impl_->image_mixer_;}
+core::video_format_desc video_channel::video_format_desc() const{return impl_->video_format_desc();}
+void core::video_channel::video_format_desc(const core::video_format_desc& format_desc){impl_->video_format_desc(format_desc);}
+boost::property_tree::wptree video_channel::info() const{return impl_->info();}
+void video_channel::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}
+void video_channel::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}
+
}}
\ No newline at end of file