2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG (www.casparcg.com).
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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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19 * Author: Robert Nagy, ronag89@gmail.com
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24 #include "video_channel.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 "mixer/gpu/ogl_device.h"
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31 #include "mixer/write_frame.h"
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32 #include "producer/stage.h"
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33 #include "producer/frame/frame_factory.h"
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35 #include <common/diagnostics/graph.h>
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36 #include <common/env.h>
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38 #include <boost/property_tree/ptree.hpp>
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42 namespace caspar { namespace core {
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44 struct video_channel::impl sealed : public frame_factory
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47 video_format_desc format_desc_;
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48 const safe_ptr<ogl_device> ogl_;
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49 const safe_ptr<diagnostics::graph> graph_;
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51 const safe_ptr<caspar::core::output> output_;
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52 const safe_ptr<caspar::core::mixer> mixer_;
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53 const safe_ptr<caspar::core::stage> stage_;
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55 impl(int index, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl)
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57 , format_desc_(format_desc)
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59 , output_(new caspar::core::output(graph_, format_desc, index))
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60 , mixer_(new caspar::core::mixer(output_, graph_, format_desc, ogl))
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61 , stage_(new caspar::core::stage(mixer_, graph_, format_desc))
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63 graph_->set_text(print());
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64 diagnostics::register_graph(graph_);
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66 stage_->start(std::max(1, env::properties().get(L"configuration.pipeline-tokens", 2)));
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68 CASPAR_LOG(info) << print() << " Successfully Initialized.";
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73 virtual safe_ptr<write_frame> create_frame(const void* tag, const core::pixel_format_desc& desc, field_mode mode) override
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75 return make_safe<write_frame>(ogl_, tag, desc, mode);
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78 virtual core::video_format_desc get_video_format_desc() const override
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80 return format_desc_;
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85 void set_video_format_desc(const video_format_desc& format_desc)
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87 if(format_desc.format == core::video_format::invalid)
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88 BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("Invalid video-format"));
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92 output_->set_video_format_desc(format_desc);
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93 mixer_->set_video_format_desc(format_desc);
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94 stage_->set_video_format_desc(format_desc);
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99 output_->set_video_format_desc(format_desc_);
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100 mixer_->set_video_format_desc(format_desc_);
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101 stage_->set_video_format_desc(format_desc_);
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104 format_desc_ = format_desc;
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107 std::wstring print() const
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109 return L"video_channel[" + boost::lexical_cast<std::wstring>(index_) + L"|" + format_desc_.name + L"]";
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112 boost::property_tree::wptree info() const
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114 boost::property_tree::wptree info;
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116 auto stage_info = stage_->info();
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117 auto mixer_info = mixer_->info();
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118 auto output_info = output_->info();
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120 stage_info.timed_wait(boost::posix_time::seconds(2));
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121 mixer_info.timed_wait(boost::posix_time::seconds(2));
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122 output_info.timed_wait(boost::posix_time::seconds(2));
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124 info.add(L"video-mode", format_desc_.name);
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125 info.add_child(L"stage", stage_info.get());
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126 info.add_child(L"mixer", mixer_info.get());
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127 info.add_child(L"output", output_info.get());
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133 video_channel::video_channel(int index, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl) : impl_(new impl(index, format_desc, ogl)){}
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134 safe_ptr<stage> video_channel::stage() { return impl_->stage_;}
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135 safe_ptr<mixer> video_channel::mixer() { return impl_->mixer_;}
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136 safe_ptr<frame_factory> video_channel::frame_factory() { return impl_;}
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137 safe_ptr<output> video_channel::output() { return impl_->output_;}
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138 video_format_desc video_channel::get_video_format_desc() const{return impl_->format_desc_;}
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139 void video_channel::set_video_format_desc(const video_format_desc& format_desc){impl_->set_video_format_desc(format_desc);}
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140 boost::property_tree::wptree video_channel::info() const{return impl_->info();}
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