2 * Copyright 2013 Sveriges Television AB http://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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27 #include <common/env.h>
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28 #include <common/exception/exceptions.h>
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29 #include <common/utility/string.h>
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30 #include <common/filesystem/polling_filesystem_monitor.h>
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32 #include <core/mixer/gpu/ogl_device.h>
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33 #include <core/mixer/audio/audio_util.h>
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34 #include <core/mixer/mixer.h>
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35 #include <core/video_channel.h>
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36 #include <core/producer/stage.h>
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37 #include <core/consumer/output.h>
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38 #include <core/consumer/synchronizing/synchronizing_consumer.h>
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39 #include <core/thumbnail_generator.h>
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40 #include <core/producer/media_info/media_info.h>
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41 #include <core/producer/media_info/media_info_repository.h>
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42 #include <core/producer/media_info/in_memory_media_info_repository.h>
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44 #include <modules/bluefish/bluefish.h>
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45 #include <modules/decklink/decklink.h>
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46 #include <modules/ffmpeg/ffmpeg.h>
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47 #include <modules/flash/flash.h>
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48 #include <modules/oal/oal.h>
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49 #include <modules/ogl/ogl.h>
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50 #include <modules/newtek/newtek.h>
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51 #include <modules/silverlight/silverlight.h>
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52 #include <modules/image/image.h>
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53 #include <modules/image/consumer/image_consumer.h>
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55 #include <modules/oal/consumer/oal_consumer.h>
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56 #include <modules/bluefish/consumer/bluefish_consumer.h>
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57 #include <modules/newtek/consumer/newtek_ivga_consumer.h>
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58 #include <modules/decklink/consumer/decklink_consumer.h>
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59 #include <modules/decklink/consumer/blocking_decklink_consumer.h>
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60 #include <modules/ogl/consumer/ogl_consumer.h>
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61 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
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63 #include <protocol/amcp/AMCPProtocolStrategy.h>
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64 #include <protocol/cii/CIIProtocolStrategy.h>
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65 #include <protocol/CLK/CLKProtocolStrategy.h>
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66 #include <protocol/util/AsyncEventServer.h>
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67 #include <protocol/util/stateful_protocol_strategy_wrapper.h>
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68 #include <protocol/osc/client.h>
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70 #include <boost/algorithm/string.hpp>
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71 #include <boost/lexical_cast.hpp>
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72 #include <boost/filesystem.hpp>
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73 #include <boost/foreach.hpp>
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74 #include <boost/property_tree/ptree.hpp>
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75 #include <boost/property_tree/xml_parser.hpp>
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76 #include <boost/asio.hpp>
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78 #include <tbb/atomic.h>
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82 using namespace core;
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83 using namespace protocol;
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85 std::shared_ptr<boost::asio::io_service> create_running_io_service()
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87 auto service = std::make_shared<boost::asio::io_service>();
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88 // To keep the io_service::run() running although no pending async
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89 // operations are posted.
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90 auto work = std::make_shared<boost::asio::io_service::work>(*service);
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91 auto thread = std::make_shared<boost::thread>([service]
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93 win32_exception::ensure_handler_installed_for_thread("asio-thread");
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98 return std::shared_ptr<boost::asio::io_service>(
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100 [service, work, thread] (void*) mutable
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108 struct server::implementation : boost::noncopyable
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110 std::shared_ptr<boost::asio::io_service> io_service_;
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111 safe_ptr<core::monitor::subject> monitor_subject_;
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112 boost::promise<bool>& shutdown_server_now_;
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113 safe_ptr<ogl_device> ogl_;
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114 std::vector<safe_ptr<IO::AsyncEventServer>> async_servers_;
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115 std::shared_ptr<IO::AsyncEventServer> primary_amcp_server_;
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116 osc::client osc_client_;
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117 std::vector<std::shared_ptr<void>> predefined_osc_subscriptions_;
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118 std::vector<safe_ptr<video_channel>> channels_;
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119 safe_ptr<media_info_repository> media_info_repo_;
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120 boost::thread initial_media_info_thread_;
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121 tbb::atomic<bool> running_;
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122 std::shared_ptr<thumbnail_generator> thumbnail_generator_;
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124 implementation(boost::promise<bool>& shutdown_server_now)
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125 : io_service_(create_running_io_service())
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126 , shutdown_server_now_(shutdown_server_now)
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127 , ogl_(ogl_device::create())
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128 , osc_client_(io_service_)
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129 , media_info_repo_(create_in_memory_media_info_repository())
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132 setup_audio(env::properties());
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134 ffmpeg::init(media_info_repo_);
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135 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
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138 CASPAR_LOG(info) << L"Initialized bluefish module.";
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141 CASPAR_LOG(info) << L"Initialized decklink module.";
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144 CASPAR_LOG(info) << L"Initialized oal module.";
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147 CASPAR_LOG(info) << L"Initialized newtek module.";
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150 CASPAR_LOG(info) << L"Initialized ogl module.";
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153 CASPAR_LOG(info) << L"Initialized flash module.";
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156 CASPAR_LOG(info) << L"Initialized image module.";
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158 setup_channels(env::properties());
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159 CASPAR_LOG(info) << L"Initialized channels.";
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161 setup_thumbnail_generation(env::properties());
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163 setup_controllers(env::properties());
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164 CASPAR_LOG(info) << L"Initialized controllers.";
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166 setup_osc(env::properties());
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167 CASPAR_LOG(info) << L"Initialized osc.";
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169 start_initial_media_info_scan();
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170 CASPAR_LOG(info) << L"Started initial media information retrieval.";
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176 initial_media_info_thread_.join();
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177 thumbnail_generator_.reset();
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178 primary_amcp_server_.reset();
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179 async_servers_.clear();
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180 destroy_producers_synchronously();
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186 void setup_audio(const boost::property_tree::wptree& pt)
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188 register_default_channel_layouts(default_channel_layout_repository());
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189 register_default_mix_configs(default_mix_config_repository());
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191 auto channel_layouts =
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192 pt.get_child_optional(L"configuration.audio.channel-layouts");
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194 pt.get_child_optional(L"configuration.audio.mix-configs");
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196 if (channel_layouts)
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197 parse_channel_layouts(
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198 default_channel_layout_repository(), *channel_layouts);
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202 default_mix_config_repository(), *mix_configs);
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205 void setup_channels(const boost::property_tree::wptree& pt)
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207 using boost::property_tree::wptree;
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208 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))
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210 auto format_desc = video_format_desc::get(widen(xml_channel.second.get(L"video-mode", L"PAL")));
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211 if(format_desc.format == video_format::invalid)
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212 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
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213 auto audio_channel_layout = default_channel_layout_repository().get_by_name(
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214 boost::to_upper_copy(xml_channel.second.get(L"channel-layout", L"STEREO")));
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216 channels_.push_back(make_safe<video_channel>(channels_.size()+1, format_desc, ogl_, audio_channel_layout));
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218 channels_.back()->monitor_output().attach_parent(monitor_subject_);
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219 channels_.back()->mixer()->set_straight_alpha_output(
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220 xml_channel.second.get(L"straight-alpha-output", false));
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223 xml_channel.second.get_child(L"consumers"),
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224 [&] (const safe_ptr<core::frame_consumer>& consumer)
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226 channels_.back()->output()->add(consumer);
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230 // Dummy diagnostics channel
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231 if(env::properties().get(L"configuration.channel-grid", false))
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232 channels_.push_back(make_safe<video_channel>(channels_.size()+1, core::video_format_desc::get(core::video_format::x576p2500), ogl_, default_channel_layout_repository().get_by_name(L"STEREO")));
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235 template<typename Base>
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236 std::vector<safe_ptr<Base>> create_consumers(const boost::property_tree::wptree& pt)
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238 std::vector<safe_ptr<Base>> consumers;
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240 create_consumers(pt, [&] (const safe_ptr<core::frame_consumer>& consumer)
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242 consumers.push_back(dynamic_pointer_cast<Base>(consumer));
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248 template<class Func>
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249 void create_consumers(const boost::property_tree::wptree& pt, const Func& on_consumer)
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251 BOOST_FOREACH(auto& xml_consumer, pt)
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255 auto name = xml_consumer.first;
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257 if (name == L"screen")
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258 on_consumer(ogl::create_consumer(xml_consumer.second));
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259 else if (name == L"bluefish")
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260 on_consumer(bluefish::create_consumer(xml_consumer.second));
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261 else if (name == L"decklink")
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262 on_consumer(decklink::create_consumer(xml_consumer.second));
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263 else if (name == L"newtek-ivga")
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264 on_consumer(newtek::create_ivga_consumer(xml_consumer.second));
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265 else if (name == L"blocking-decklink")
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266 on_consumer(decklink::create_blocking_consumer(xml_consumer.second));
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267 else if (name == L"file" || name == L"stream")
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268 on_consumer(ffmpeg::create_consumer(xml_consumer.second));
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269 else if (name == L"system-audio")
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270 on_consumer(oal::create_consumer());
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271 else if (name == L"synchronizing")
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272 on_consumer(make_safe<core::synchronizing_consumer>(
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273 create_consumers<core::frame_consumer>(
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274 xml_consumer.second)));
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275 else if (name != L"<xmlcomment>")
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276 CASPAR_LOG(warning) << "Invalid consumer: " << widen(name);
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280 CASPAR_LOG_CURRENT_EXCEPTION();
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285 void setup_controllers(const boost::property_tree::wptree& pt)
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287 using boost::property_tree::wptree;
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288 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))
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292 auto name = xml_controller.first;
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293 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");
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297 unsigned int port = xml_controller.second.get(L"port", 5250);
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298 auto asyncbootstrapper = make_safe<IO::AsyncEventServer>(create_protocol(protocol), port);
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299 asyncbootstrapper->Start();
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300 async_servers_.push_back(asyncbootstrapper);
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302 if (!primary_amcp_server_ && boost::iequals(protocol, L"AMCP"))
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303 primary_amcp_server_ = asyncbootstrapper;
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306 CASPAR_LOG(warning) << "Invalid controller: " << widen(name);
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310 CASPAR_LOG_CURRENT_EXCEPTION();
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315 void setup_osc(const boost::property_tree::wptree& pt)
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317 using boost::property_tree::wptree;
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318 using namespace boost::asio::ip;
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320 monitor_subject_->attach_parent(osc_client_.sink());
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322 auto default_port =
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323 pt.get<unsigned short>(L"configuration.osc.default-port", 6250);
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324 auto predefined_clients =
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325 pt.get_child_optional(L"configuration.osc.predefined-clients");
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327 if (predefined_clients)
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329 BOOST_FOREACH(auto& predefined_client, *predefined_clients)
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331 const auto address =
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332 predefined_client.second.get<std::wstring>(L"address");
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334 predefined_client.second.get<unsigned short>(L"port");
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335 predefined_osc_subscriptions_.push_back(
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336 osc_client_.get_subscription_token(udp::endpoint(
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337 address_v4::from_string(narrow(address)),
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342 if (primary_amcp_server_)
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343 primary_amcp_server_->add_lifecycle_factory(
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344 [=] (const std::string& ipv4_address)
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345 -> std::shared_ptr<void>
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347 using namespace boost::asio::ip;
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349 return osc_client_.get_subscription_token(
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351 address_v4::from_string(ipv4_address),
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356 void setup_thumbnail_generation(const boost::property_tree::wptree& pt)
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358 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))
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361 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);
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363 polling_filesystem_monitor_factory monitor_factory(
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364 io_service_, scan_interval_millis);
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365 thumbnail_generator_.reset(new thumbnail_generator(
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367 env::media_folder(),
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368 env::thumbnails_folder(),
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369 pt.get(L"configuration.thumbnails.width", 256),
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370 pt.get(L"configuration.thumbnails.height", 144),
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371 core::video_format_desc::get(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),
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373 pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),
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374 &image::write_cropped_png,
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375 media_info_repo_));
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377 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
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380 safe_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const
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382 if(boost::iequals(name, L"AMCP"))
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383 return make_safe<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, media_info_repo_, shutdown_server_now_);
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384 else if(boost::iequals(name, L"CII"))
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385 return make_safe<cii::CIIProtocolStrategy>(channels_);
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386 else if(boost::iequals(name, L"CLOCK"))
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387 //return make_safe<CLK::CLKProtocolStrategy>(channels_);
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388 return make_safe<IO::stateful_protocol_strategy_wrapper>([=]
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390 return std::make_shared<CLK::CLKProtocolStrategy>(channels_);
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393 BOOST_THROW_EXCEPTION(caspar_exception() << arg_name_info("name") << arg_value_info(narrow(name)) << msg_info("Invalid protocol"));
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396 void start_initial_media_info_scan()
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398 initial_media_info_thread_ = boost::thread([this]
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400 for (boost::filesystem::wrecursive_directory_iterator iter(env::media_folder()), end; iter != end; ++iter)
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403 media_info_repo_->get(iter->path().file_string());
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406 CASPAR_LOG(info) << L"Initial media information retrieval aborted.";
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411 CASPAR_LOG(info) << L"Initial media information retrieval finished.";
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416 server::server(boost::promise<bool>& shutdown_server_now) : impl_(new implementation(shutdown_server_now)){}
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418 const std::vector<safe_ptr<video_channel>> server::get_channels() const
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420 return impl_->channels_;
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423 std::shared_ptr<thumbnail_generator> server::get_thumbnail_generator() const
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425 return impl_->thumbnail_generator_;
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428 safe_ptr<media_info_repository> server::get_media_info_repo() const
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430 return impl_->media_info_repo_;
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433 core::monitor::subject& server::monitor_output()
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435 return *impl_->monitor_subject_;
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