-/*\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
-// TODO: Try to recover consumer from bad_alloc...\r
-#include "../StdAfx.h"\r
-\r
-#ifdef _MSC_VER\r
-#pragma warning (disable : 4244)\r
-#endif\r
-\r
-#include "output.h"\r
-\r
-#include "../video_channel_context.h"\r
-\r
-#include "../video_format.h"\r
-#include "../mixer/gpu/ogl_device.h"\r
-#include "../mixer/read_frame.h"\r
-\r
-#include <common/concurrency/executor.h>\r
-#include <common/utility/assert.h>\r
-#include <common/utility/timer.h>\r
-#include <common/memory/memshfl.h>\r
-\r
-#include <tbb/mutex.h>\r
-\r
-namespace caspar { namespace core {\r
-\r
-struct output::implementation\r
-{ \r
- typedef std::pair<safe_ptr<read_frame>, safe_ptr<read_frame>> fill_and_key;\r
- \r
- video_channel_context& channel_;\r
-\r
- std::map<int, safe_ptr<frame_consumer>> consumers_;\r
- typedef std::map<int, safe_ptr<frame_consumer>>::value_type layer_t;\r
- \r
- high_prec_timer timer_;\r
- \r
-public:\r
- implementation(video_channel_context& video_channel) \r
- : channel_(video_channel){} \r
- \r
- void add(int index, safe_ptr<frame_consumer>&& consumer)\r
- { \r
- channel_.execution().invoke([&]\r
- {\r
- consumers_.erase(index);\r
- });\r
-\r
- consumer->initialize(channel_.get_format_desc());\r
-\r
- channel_.execution().invoke([&]\r
- {\r
- consumers_.insert(std::make_pair(index, consumer));\r
-\r
- CASPAR_LOG(info) << print() << L" " << consumer->print() << L" Added.";\r
- });\r
- }\r
-\r
- void remove(int index)\r
- {\r
- channel_.execution().invoke([&]\r
- {\r
- auto it = consumers_.find(index);\r
- if(it != consumers_.end())\r
- {\r
- CASPAR_LOG(info) << print() << L" " << it->second->print() << L" Removed.";\r
- consumers_.erase(it);\r
- }\r
- });\r
- }\r
- \r
- void execute(const safe_ptr<read_frame>& frame)\r
- { \r
- if(!has_synchronization_clock())\r
- timer_.tick(1.0/channel_.get_format_desc().fps);\r
-\r
- if(frame->image_size() != channel_.get_format_desc().size)\r
- {\r
- timer_.tick(1.0/channel_.get_format_desc().fps);\r
- return;\r
- }\r
- \r
- auto it = consumers_.begin();\r
- while(it != consumers_.end())\r
- {\r
- auto consumer = it->second;\r
-\r
- if(consumer->get_video_format_desc() != channel_.get_format_desc())\r
- consumer->initialize(channel_.get_format_desc());\r
-\r
- if(consumer->send(frame))\r
- ++it;\r
- else\r
- consumers_.erase(it++);\r
- }\r
- }\r
-\r
-private:\r
- \r
- bool has_synchronization_clock()\r
- {\r
- return std::any_of(consumers_.begin(), consumers_.end(), [](const decltype(*consumers_.begin())& p)\r
- {\r
- return p.second->has_synchronization_clock();\r
- });\r
- }\r
- \r
- std::wstring print() const\r
- {\r
- return L"output";\r
- }\r
-};\r
-\r
-output::output(video_channel_context& video_channel) : impl_(new implementation(video_channel)){}\r
-void output::add(int index, safe_ptr<frame_consumer>&& consumer){impl_->add(index, std::move(consumer));}\r
-void output::remove(int index){impl_->remove(index);}\r
-void output::execute(const safe_ptr<read_frame>& frame) {impl_->execute(frame); }\r
-}}
\ No newline at end of file
+/*
+* 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 "../frame/audio_channel_layout.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 <common/linq.h>
+#include <common/timer.h>
+
+#include <boost/circular_buffer.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/property_tree/ptree.hpp>
+
+#include <functional>
+
+namespace caspar { namespace core {
+
+struct output::impl
+{
+ spl::shared_ptr<diagnostics::graph> graph_;
+ spl::shared_ptr<monitor::subject> monitor_subject_ = spl::make_shared<monitor::subject>("/output");
+ const int channel_index_;
+ video_format_desc format_desc_;
+ audio_channel_layout channel_layout_;
+ std::map<int, port> ports_;
+ prec_timer sync_timer_;
+ boost::circular_buffer<const_frame> frames_;
+ std::map<int, int64_t> send_to_consumers_delays_;
+ executor executor_ { L"output " + boost::lexical_cast<std::wstring>(channel_index_) };
+public:
+ impl(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, const audio_channel_layout& channel_layout, int channel_index)
+ : graph_(std::move(graph))
+ , channel_index_(channel_index)
+ , format_desc_(format_desc)
+ , channel_layout_(channel_layout)
+ {
+ graph_->set_color("consume-time", diagnostics::color(1.0f, 0.4f, 0.0f, 0.8f));
+ }
+
+ void add(int index, spl::shared_ptr<frame_consumer> consumer)
+ {
+ remove(index);
+
+ consumer->initialize(format_desc_, channel_layout_, channel_index_);
+
+ executor_.begin_invoke([this, index, consumer]
+ {
+ port p(index, channel_index_, std::move(consumer));
+ p.monitor_output().attach_parent(monitor_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);
+ send_to_consumers_delays_.erase(index);
+ }
+ }, task_priority::high_priority);
+ }
+
+ void remove(const spl::shared_ptr<frame_consumer>& consumer)
+ {
+ remove(consumer->index());
+ }
+
+ void change_channel_format(const core::video_format_desc& format_desc, const core::audio_channel_layout& channel_layout)
+ {
+ executor_.invoke([&]
+ {
+ if(format_desc_ == format_desc && channel_layout_ == channel_layout)
+ return;
+
+ auto it = ports_.begin();
+ while(it != ports_.end())
+ {
+ try
+ {
+ it->second.change_channel_format(format_desc, channel_layout);
+ ++it;
+ }
+ catch(...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ send_to_consumers_delays_.erase(it->first);
+ ports_.erase(it++);
+ }
+ }
+
+ format_desc_ = format_desc;
+ channel_layout_ = channel_layout;
+ frames_.clear();
+ });
+ }
+
+ std::pair<int, int> minmax_buffer_depth() const
+ {
+ if(ports_.empty())
+ return std::make_pair(0, 0);
+
+ return cpplinq::from(ports_)
+ .select(values())
+ .select(std::mem_fn(&port::buffer_depth))
+ .where([](int v) { return v >= 0; })
+ .aggregate(minmax::initial_value<int>(), minmax());
+ }
+
+ bool has_synchronization_clock() const
+ {
+ return cpplinq::from(ports_)
+ .select(values())
+ .where(std::mem_fn(&port::has_synchronization_clock))
+ .any();
+ }
+
+ std::future<void> operator()(const_frame input_frame, const core::video_format_desc& format_desc, const core::audio_channel_layout& channel_layout)
+ {
+ spl::shared_ptr<caspar::timer> frame_timer;
+
+ change_channel_format(format_desc, channel_layout);
+
+ auto pending_send_results = executor_.invoke([=]() -> std::shared_ptr<std::map<int, std::future<bool>>>
+ {
+ if (input_frame.size() != format_desc_.size)
+ {
+ CASPAR_LOG(warning) << print() << L" Invalid input frame dimension.";
+ return nullptr;
+ }
+
+ 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 nullptr;
+
+ spl::shared_ptr<std::map<int, std::future<bool>>> send_results;
+
+ // Start invocations
+ for (auto it = ports_.begin(); it != ports_.end();)
+ {
+ auto& port = it->second;
+ auto depth = port.buffer_depth();
+ auto& frame = depth < 0 ? frames_.back() : frames_.at(depth - minmax.first);
+
+ send_to_consumers_delays_[it->first] = frame.get_age_millis();
+
+ try
+ {
+ send_results->insert(std::make_pair(it->first, port.send(frame)));
+ ++it;
+ }
+ catch (...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ try
+ {
+ send_results->insert(std::make_pair(it->first, port.send(frame)));
+ ++it;
+ }
+ catch (...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ CASPAR_LOG(error) << "Failed to recover consumer: " << port.print() << L". Removing it.";
+ send_to_consumers_delays_.erase(it->first);
+ it = ports_.erase(it);
+ }
+ }
+ }
+
+ return send_results;
+ });
+
+ if (!pending_send_results)
+ return make_ready_future();
+
+ return executor_.begin_invoke([=]()
+ {
+ // Retrieve results
+ for (auto it = pending_send_results->begin(); it != pending_send_results->end(); ++it)
+ {
+ try
+ {
+ if (!it->second.get())
+ {
+ send_to_consumers_delays_.erase(it->first);
+ ports_.erase(it->first);
+ }
+ }
+ catch (...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ send_to_consumers_delays_.erase(it->first);
+ ports_.erase(it->first);
+ }
+ }
+
+ if (!has_synchronization_clock())
+ sync_timer_.tick(1.0 / format_desc_.fps);
+
+ auto consume_time = frame_timer->elapsed();
+ graph_->set_value("consume-time", consume_time * format_desc.fps * 0.5);
+ *monitor_subject_
+ << monitor::message("/consume_time") % consume_time
+ << monitor::message("/profiler/time") % consume_time % (1.0 / format_desc.fps);
+ });
+ }
+
+ std::wstring print() const
+ {
+ return L"output[" + boost::lexical_cast<std::wstring>(channel_index_) + L"]";
+ }
+
+ std::future<boost::property_tree::wptree> info()
+ {
+ return std::move(executor_.begin_invoke([&]() -> boost::property_tree::wptree
+ {
+ boost::property_tree::wptree info;
+ for (auto& port : ports_)
+ {
+ info.add_child(L"consumers.consumer", port.second.info())
+ .add(L"index", port.first);
+ }
+ return info;
+ }, task_priority::high_priority));
+ }
+
+ std::future<boost::property_tree::wptree> delay_info()
+ {
+ return std::move(executor_.begin_invoke([&]() -> boost::property_tree::wptree
+ {
+ boost::property_tree::wptree info;
+
+ for (auto& port : ports_)
+ {
+ auto total_age =
+ port.second.presentation_frame_age_millis();
+ auto sendoff_age = send_to_consumers_delays_[port.first];
+ auto presentation_time = total_age - sendoff_age;
+
+ boost::property_tree::wptree child;
+ child.add(L"name", port.second.print());
+ child.add(L"age-at-arrival", sendoff_age);
+ child.add(L"presentation-time", presentation_time);
+ child.add(L"age-at-presentation", total_age);
+
+ info.add_child(L"consumer", child);
+ }
+ return info;
+ }, task_priority::high_priority));
+ }
+
+ std::vector<spl::shared_ptr<const frame_consumer>> get_consumers()
+ {
+ return executor_.invoke([=]
+ {
+ std::vector<spl::shared_ptr<const frame_consumer>> consumers;
+
+ for (auto& port : ports_)
+ consumers.push_back(port.second.consumer());
+
+ return consumers;
+ });
+ }
+};
+
+output::output(spl::shared_ptr<diagnostics::graph> graph, const video_format_desc& format_desc, const core::audio_channel_layout& channel_layout, int channel_index) : impl_(new impl(std::move(graph), format_desc, channel_layout, 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);}
+std::future<boost::property_tree::wptree> output::info() const{return impl_->info();}
+std::future<boost::property_tree::wptree> output::delay_info() const{ return impl_->delay_info(); }
+std::vector<spl::shared_ptr<const frame_consumer>> output::get_consumers() const { return impl_->get_consumers(); }
+std::future<void> output::operator()(const_frame frame, const video_format_desc& format_desc, const core::audio_channel_layout& channel_layout){ return (*impl_)(std::move(frame), format_desc, channel_layout); }
+monitor::subject& output::monitor_output() {return *impl_->monitor_subject_;}
+}}
projects / casparcg / blobdiff