2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG.
\r
6 * CasparCG is free software: you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation, either version 3 of the License, or
\r
9 * (at your option) any later version.
\r
11 * CasparCG is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
\r
20 // TODO: Try to recover consumer from bad_alloc...
\r
21 #include "../StdAfx.h"
\r
24 #pragma warning (disable : 4244)
\r
29 #include "../video_format.h"
\r
30 #include "../mixer/gpu/ogl_device.h"
\r
31 #include "../mixer/read_frame.h"
\r
33 #include <common/concurrency/executor.h>
\r
34 #include <common/utility/assert.h>
\r
35 #include <common/utility/timer.h>
\r
36 #include <common/memory/memshfl.h>
\r
37 #include <common/env.h>
\r
39 #include <boost/circular_buffer.hpp>
\r
40 #include <boost/timer.hpp>
\r
42 namespace caspar { namespace core {
\r
44 struct output::implementation
\r
46 typedef std::pair<safe_ptr<read_frame>, safe_ptr<read_frame>> fill_and_key;
\r
48 safe_ptr<diagnostics::graph> graph_;
\r
49 boost::timer consume_timer_;
\r
51 video_format_desc format_desc_;
\r
53 std::map<int, safe_ptr<frame_consumer>> consumers_;
\r
54 typedef std::map<int, safe_ptr<frame_consumer>>::value_type layer_t;
\r
56 high_prec_timer timer_;
\r
58 boost::circular_buffer<safe_ptr<read_frame>> frames_;
\r
60 tbb::concurrent_bounded_queue<std::shared_ptr<read_frame>> input_;
\r
65 implementation(const safe_ptr<diagnostics::graph>& graph, const video_format_desc& format_desc)
\r
67 , format_desc_(format_desc)
\r
68 , executor_(L"output")
\r
70 graph_->set_color("consume-time", diagnostics::color(1.0f, 0.4f, 0.0f));
\r
73 void add(int index, safe_ptr<frame_consumer>&& consumer)
\r
75 executor_.invoke([&]
\r
77 consumers_.erase(index);
\r
80 consumer->initialize(format_desc_);
\r
82 executor_.invoke([&]
\r
84 consumers_.insert(std::make_pair(index, consumer));
\r
86 CASPAR_LOG(info) << print() << L" " << consumer->print() << L" Added.";
\r
90 void remove(int index)
\r
92 executor_.invoke([&]
\r
94 auto it = consumers_.find(index);
\r
95 if(it != consumers_.end())
\r
97 CASPAR_LOG(info) << print() << L" " << it->second->print() << L" Removed.";
\r
98 consumers_.erase(it);
\r
103 void set_video_format_desc(const video_format_desc& format_desc)
\r
105 executor_.invoke([&]
\r
107 format_desc_ = format_desc;
\r
109 auto it = consumers_.begin();
\r
110 while(it != consumers_.end())
\r
114 it->second->initialize(format_desc_);
\r
119 CASPAR_LOG_CURRENT_EXCEPTION();
\r
120 consumers_.erase(it++);
\r
128 std::pair<size_t, size_t> minmax_buffer_depth() const
\r
130 if(consumers_.empty())
\r
131 return std::make_pair(0, 0);
\r
132 std::vector<size_t> buffer_depths;
\r
133 std::transform(consumers_.begin(), consumers_.end(), std::back_inserter(buffer_depths), [](const decltype(*consumers_.begin())& pair)
\r
135 return pair.second->buffer_depth();
\r
137 std::sort(buffer_depths.begin(), buffer_depths.end());
\r
138 auto min = buffer_depths.front();
\r
139 auto max = buffer_depths.back();
\r
140 return std::make_pair(min, max);
\r
143 void send(const std::pair<safe_ptr<read_frame>, ticket>& packet)
\r
145 executor_.begin_invoke([=]
\r
149 consume_timer_.restart();
\r
151 auto input_frame = packet.first;
\r
153 if(!has_synchronization_clock())
\r
154 timer_.tick(1.0/format_desc_.fps);
\r
156 if(input_frame->image_size() != format_desc_.size)
\r
158 timer_.tick(1.0/format_desc_.fps);
\r
162 const auto minmax = minmax_buffer_depth();
\r
164 frames_.set_capacity(minmax.second - minmax.first + 1);
\r
165 frames_.push_back(input_frame);
\r
167 if(!frames_.full())
\r
170 auto it = consumers_.begin();
\r
171 while(it != consumers_.end())
\r
173 auto consumer = it->second;
\r
174 auto frame = frames_.at(consumer->buffer_depth()-minmax.first);
\r
178 if(consumer->send(frame))
\r
181 consumers_.erase(it++);
\r
185 CASPAR_LOG_CURRENT_EXCEPTION();
\r
188 consumer->initialize(format_desc_);
\r
189 if(consumer->send(frame))
\r
192 consumers_.erase(it++);
\r
196 CASPAR_LOG_CURRENT_EXCEPTION();
\r
197 CASPAR_LOG(error) << "Failed to recover consumer: " << consumer->print() << L". Removing it.";
\r
198 consumers_.erase(it++);
\r
203 graph_->update_value("consume-time", consume_timer_.elapsed()*format_desc_.fps*0.5);
\r
207 CASPAR_LOG_CURRENT_EXCEPTION();
\r
214 bool has_synchronization_clock()
\r
216 return std::any_of(consumers_.begin(), consumers_.end(), [](const decltype(*consumers_.begin())& p)
\r
218 return p.second->has_synchronization_clock();
\r
222 std::wstring print() const
\r
228 output::output(const safe_ptr<diagnostics::graph>& graph, const video_format_desc& format_desc) : impl_(new implementation(graph, format_desc)){}
\r
229 void output::add(int index, safe_ptr<frame_consumer>&& consumer){impl_->add(index, std::move(consumer));}
\r
230 void output::remove(int index){impl_->remove(index);}
\r
231 void output::send(const std::pair<safe_ptr<read_frame>, ticket>& frame) {impl_->send(frame); }
\r
232 void output::set_video_format_desc(const video_format_desc& format_desc){impl_->set_video_format_desc(format_desc);}
\r