2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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23 #include "video_channel.h"
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25 #include "video_channel_context.h"
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26 #include "video_format.h"
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28 #include "consumer/output.h"
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29 #include "mixer/mixer.h"
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30 #include "producer/stage.h"
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32 #include <common/concurrency/executor.h>
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33 #include <common/diagnostics/graph.h>
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35 #include <boost/timer.hpp>
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38 #pragma warning(disable : 4355)
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41 namespace caspar { namespace core {
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43 struct video_channel::implementation : boost::noncopyable
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45 video_channel_context context_;
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47 safe_ptr<caspar::core::output> output_;
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48 std::shared_ptr<caspar::core::mixer> mixer_;
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49 safe_ptr<caspar::core::stage> stage_;
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51 safe_ptr<diagnostics::graph> diag_;
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52 boost::timer frame_timer_;
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53 boost::timer tick_timer_;
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54 boost::timer output_timer_;
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57 implementation(int index, const video_format_desc& format_desc, ogl_device& ogl)
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58 : context_(index, ogl, format_desc)
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59 , diag_(diagnostics::create_graph(narrow(print())))
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60 , output_(new caspar::core::output(context_))
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61 , mixer_(new caspar::core::mixer(context_))
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62 , stage_(new caspar::core::stage(context_))
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64 diag_->add_guide("produce-time", 0.5f);
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65 diag_->set_color("produce-time", diagnostics::color(0.0f, 1.0f, 0.0f));
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66 diag_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
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67 diag_->set_color("output-time", diagnostics::color(1.0f, 0.5f, 0.0f));
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68 diag_->set_color("mix-time", diagnostics::color(1.0f, 1.0f, 0.9f));
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70 CASPAR_LOG(info) << print() << " Successfully Initialized.";
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71 context_.execution().begin_invoke([this]{tick();});
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76 // Stop context before destroying devices.
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77 context_.execution().stop();
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78 context_.execution().join();
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79 context_.destruction().stop();
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80 context_.destruction().join();
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89 frame_timer_.restart();
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91 auto simple_frames = stage_->execute();
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93 diag_->update_value("produce-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);
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97 frame_timer_.restart();
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99 auto finished_frame = mixer_->execute(simple_frames);
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101 diag_->update_value("mix-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);
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105 output_timer_.restart();
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107 output_->execute(finished_frame);
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109 diag_->update_value("output-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);
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112 diag_->update_value("tick-time", tick_timer_.elapsed()*context_.get_format_desc().fps*0.5);
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113 tick_timer_.restart();
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117 CASPAR_LOG_CURRENT_EXCEPTION();
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118 CASPAR_LOG(error) << context_.print() << L" Unexpected exception. Clearing stage and freeing memory";
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121 context_.ogl().gc().wait();
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124 mixer_.reset(new caspar::core::mixer(context_));
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127 context_.execution().begin_invoke([this]{tick();});
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130 std::wstring print() const
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132 return context_.print();
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135 void set_video_format_desc(const video_format_desc& format_desc)
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137 context_.execution().begin_invoke([=]
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140 context_.ogl().gc().wait();
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141 context_.set_format_desc(format_desc);
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146 video_channel::video_channel(int index, const video_format_desc& format_desc, ogl_device& ogl) : impl_(new implementation(index, format_desc, ogl)){}
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147 video_channel::video_channel(video_channel&& other) : impl_(std::move(other.impl_)){}
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148 safe_ptr<stage> video_channel::stage() { return impl_->stage_;}
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149 safe_ptr<mixer> video_channel::mixer() { return make_safe(impl_->mixer_);}
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150 safe_ptr<output> video_channel::output() { return impl_->output_;}
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151 video_format_desc video_channel::get_video_format_desc() const{return impl_->context_.get_format_desc();}
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152 void video_channel::set_video_format_desc(const video_format_desc& format_desc){impl_->set_video_format_desc(format_desc);}
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153 std::wstring video_channel::print() const { return impl_->print();}
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