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: Helge Norberg, helge.norberg@svt.se
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22 #include "../StdAfx.h"
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24 #include <stdexcept>
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28 #include <boost/lexical_cast.hpp>
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30 #include <common/log.h>
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31 #include <common/memory.h>
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33 #include <core/video_channel.h>
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34 #include <core/producer/stage.h>
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35 #include <core/producer/cg_proxy.h>
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37 #include "clk_commands.h"
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39 namespace caspar { namespace protocol { namespace CLK {
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41 class command_context
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43 bool clock_loaded_ = false;
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44 std::vector<spl::shared_ptr<core::video_channel>> channels_;
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45 spl::shared_ptr<core::video_channel> channel_;
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46 spl::shared_ptr<core::cg_producer_registry> cg_registry_;
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49 const std::vector<spl::shared_ptr<core::video_channel>>& channels,
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50 const spl::shared_ptr<core::video_channel>& channel,
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51 const spl::shared_ptr<core::cg_producer_registry>& cg_registry)
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52 : channels_(channels)
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54 , cg_registry_(cg_registry)
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58 void send_to_flash(const std::wstring& data)
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60 if (!clock_loaded_)
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62 core::frame_producer_dependencies dependencies(channel_->frame_factory(), channels_, channel_->video_format_desc());
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63 cg_registry_->get_or_create_proxy(channel_, dependencies, core::cg_proxy::DEFAULT_LAYER, L"hawrysklocka/clock")->add(
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64 0, L"hawrysklocka/clock", true, L"", data);
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65 clock_loaded_ = true;
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69 cg_registry_->get_proxy(channel_, core::cg_proxy::DEFAULT_LAYER)->update(0, data);
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72 CASPAR_LOG(debug) << L"CLK: Clockdata sent: " << data;
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77 channel_->stage().clear(core::cg_proxy::DEFAULT_LAYER);
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78 clock_loaded_ = false;
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79 CASPAR_LOG(info) << L"CLK: Recieved and executed reset-command";
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85 std::vector<std::wstring>::const_iterator& params_current,
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86 const std::vector<std::wstring>::const_iterator& params_end,
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87 const std::string& param_name)
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89 if (params_current == params_end)
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90 throw std::runtime_error(param_name + " required");
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92 T value = boost::lexical_cast<T>(*params_current);
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96 return std::move(value);
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99 std::wstring get_xml(
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100 const std::wstring& command_name,
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103 const std::vector<std::wstring>& parameters)
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105 std::wstringstream stream;
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107 stream << L"<templateData>";
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108 stream << L"<componentData id=\"command\">";
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109 stream << L"<command id=\"" << command_name << "\"";
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111 std::vector<std::wstring>::const_iterator it = parameters.begin();
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112 std::vector<std::wstring>::const_iterator end = parameters.end();
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116 stream << L" clockID=\""
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117 << require_param<int>(it, end, "clock id") << L"\"";
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122 stream << L" time=\""
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123 << require_param<std::wstring>(it, end, "time") << L"\"";
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126 bool has_parameters = it != end;
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128 stream << (has_parameters ? L">" : L" />");
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130 if (has_parameters)
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132 for (; it != end; ++it)
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134 stream << L"<parameter>" << (*it) << L"</parameter>";
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137 stream << L"</command>";
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140 stream << L"</componentData>";
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141 stream << L"</templateData>";
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143 return stream.str();
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146 clk_command_handler create_send_xml_handler(
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147 const std::wstring& command_name,
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148 bool expect_clock,
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150 const spl::shared_ptr<command_context>& context)
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152 return [=] (const std::vector<std::wstring>& params)
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154 context->send_to_flash(get_xml(
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155 command_name, expect_clock, expect_time, params));
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159 void add_command_handlers(
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160 clk_command_processor& processor,
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161 const std::vector<spl::shared_ptr<core::video_channel>>& channels,
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162 const spl::shared_ptr<core::video_channel>& channel,
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163 const spl::shared_ptr<core::cg_producer_registry>& cg_registry)
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165 auto context = spl::make_shared<command_context>(channels, channel, cg_registry);
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168 .add_handler(L"DUR",
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169 create_send_xml_handler(L"DUR", true, true, context))
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170 .add_handler(L"NEWDUR",
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171 create_send_xml_handler(L"NEWDUR", true, true, context))
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172 .add_handler(L"UNTIL",
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173 create_send_xml_handler(L"UNTIL", true, true, context))
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174 .add_handler(L"NEXTEVENT",
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175 create_send_xml_handler(L"NEXTEVENT", true, false, context))
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176 .add_handler(L"STOP",
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177 create_send_xml_handler(L"STOP", true, false, context))
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178 .add_handler(L"ADD",
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179 create_send_xml_handler(L"ADD", true, true, context))
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180 .add_handler(L"SUB",
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181 create_send_xml_handler(L"SUB", true, true, context))
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182 .add_handler(L"TIMELINE_LOAD",
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183 create_send_xml_handler(L"TIMELINE_LOAD", false, false, context))
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184 .add_handler(L"TIMELINE_PLAY",
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185 create_send_xml_handler(L"TIMELINE_PLAY", false, false, context))
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186 .add_handler(L"TIMELINE_STOP",
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187 create_send_xml_handler(L"TIMELINE_STOP", false, false, context))
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188 .add_handler(L"RESET", [=] (const std::vector<std::wstring>& params)
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