git.sesse.net Git - casparcg/blob - shell/server.cpp

   1 /*\r
   2 * Copyright 2013 Sveriges Television AB http://casparcg.com/\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\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
  10 *\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
  15 *\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
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 \r
  23 #include "server.h"\r
  24 \r
  25 #include <memory>\r
  26 \r
  27 #include <common/env.h>\r
  28 #include <common/exception/exceptions.h>\r
  29 #include <common/utility/string.h>\r
  30 #include <common/filesystem/polling_filesystem_monitor.h>\r
  31 \r
  32 #include <core/mixer/gpu/ogl_device.h>\r
  33 #include <core/mixer/audio/audio_util.h>\r
  34 #include <core/mixer/mixer.h>\r
  35 #include <core/video_channel.h>\r
  36 #include <core/producer/stage.h>\r
  37 #include <core/consumer/output.h>\r
  38 #include <core/thumbnail_generator.h>\r
  39 \r
  40 #include <modules/bluefish/bluefish.h>\r
  41 #include <modules/decklink/decklink.h>\r
  42 #include <modules/ffmpeg/ffmpeg.h>\r
  43 #include <modules/flash/flash.h>\r
  44 #include <modules/oal/oal.h>\r
  45 #include <modules/ogl/ogl.h>\r
  46 #include <modules/silverlight/silverlight.h>\r
  47 #include <modules/image/image.h>\r
  48 #include <modules/image/consumer/image_consumer.h>\r
  49 \r
  50 #include <modules/oal/consumer/oal_consumer.h>\r
  51 #include <modules/bluefish/consumer/bluefish_consumer.h>\r
  52 #include <modules/decklink/consumer/decklink_consumer.h>\r
  53 #include <modules/ogl/consumer/ogl_consumer.h>\r
  54 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>\r
  55 \r
  56 #include <protocol/amcp/AMCPProtocolStrategy.h>\r
  57 #include <protocol/cii/CIIProtocolStrategy.h>\r
  58 #include <protocol/CLK/CLKProtocolStrategy.h>\r
  59 #include <protocol/util/AsyncEventServer.h>\r
  60 #include <protocol/util/stateful_protocol_strategy_wrapper.h>\r
  61 #include <protocol/osc/client.h>\r
  62 #include <protocol/asio/io_service_manager.h>\r
  63 \r
  64 #include <boost/algorithm/string.hpp>\r
  65 #include <boost/lexical_cast.hpp>\r
  66 #include <boost/foreach.hpp>\r
  67 #include <boost/property_tree/ptree.hpp>\r
  68 #include <boost/property_tree/xml_parser.hpp>\r
  69 \r
  70 namespace caspar {\r
  71 \r
  72 using namespace core;\r
  73 using namespace protocol;\r
  74 \r
  75 struct server::implementation : boost::noncopyable\r
  76 {\r
  77         protocol::asio::io_service_manager                      io_service_manager_;\r
  78         core::monitor::subject                                          monitor_subject_;\r
  79         boost::promise<bool>&                                           shutdown_server_now_;\r
  80         safe_ptr<ogl_device>                                            ogl_;\r
  81         std::vector<safe_ptr<IO::AsyncEventServer>> async_servers_;     \r
  82         std::shared_ptr<IO::AsyncEventServer>           primary_amcp_server_;\r
  83         osc::client                                                                     osc_client_;\r
  84         std::vector<std::shared_ptr<void>>                      predefined_osc_subscriptions_;\r
  85         std::vector<safe_ptr<video_channel>>            channels_;\r
  86         std::shared_ptr<thumbnail_generator>            thumbnail_generator_;\r
  87 \r
  88         implementation(boost::promise<bool>& shutdown_server_now)\r
  89                 : shutdown_server_now_(shutdown_server_now)\r
  90                 , ogl_(ogl_device::create())\r
  91                 , osc_client_(io_service_manager_.service(), monitor_subject_)\r
  92         {\r
  93                 setup_audio(env::properties());\r
  94 \r
  95                 ffmpeg::init();\r
  96                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";\r
  97                                                           \r
  98                 bluefish::init();         \r
  99                 CASPAR_LOG(info) << L"Initialized bluefish module.";\r
 100                                                           \r
 101                 decklink::init();         \r
 102                 CASPAR_LOG(info) << L"Initialized decklink module.";\r
 103                                                                                                                   \r
 104                 oal::init();              \r
 105                 CASPAR_LOG(info) << L"Initialized oal module.";\r
 106                                                           \r
 107                 ogl::init();              \r
 108                 CASPAR_LOG(info) << L"Initialized ogl module.";\r
 109 \r
 110                 image::init();            \r
 111                 CASPAR_LOG(info) << L"Initialized image module.";\r
 112 \r
 113                 flash::init();            \r
 114                 CASPAR_LOG(info) << L"Initialized flash module.";\r
 115 \r
 116                 setup_channels(env::properties());\r
 117                 CASPAR_LOG(info) << L"Initialized channels.";\r
 118 \r
 119                 setup_thumbnail_generation(env::properties());\r
 120 \r
 121                 setup_controllers(env::properties());\r
 122                 CASPAR_LOG(info) << L"Initialized controllers.";\r
 123 \r
 124                 setup_osc(env::properties());\r
 125                 CASPAR_LOG(info) << L"Initialized osc.";\r
 126         }\r
 127 \r
 128         ~implementation()\r
 129         {               \r
 130                 ffmpeg::uninit();\r
 131 \r
 132                 thumbnail_generator_.reset();\r
 133                 primary_amcp_server_.reset();\r
 134                 async_servers_.clear();\r
 135                 channels_.clear();\r
 136         }\r
 137 \r
 138         void setup_audio(const boost::property_tree::wptree& pt)\r
 139         {\r
 140                 register_default_channel_layouts(default_channel_layout_repository());\r
 141                 register_default_mix_configs(default_mix_config_repository());\r
 142 \r
 143                 auto channel_layouts =\r
 144                         pt.get_child_optional(L"configuration.audio.channel-layouts");\r
 145                 auto mix_configs =\r
 146                         pt.get_child_optional(L"configuration.audio.mix-configs");\r
 147 \r
 148                 if (channel_layouts)\r
 149                         parse_channel_layouts(\r
 150                                         default_channel_layout_repository(), *channel_layouts);\r
 151 \r
 152                 if (mix_configs)\r
 153                         parse_mix_configs(\r
 154                                         default_mix_config_repository(), *mix_configs);\r
 155         }\r
 156                                 \r
 157         void setup_channels(const boost::property_tree::wptree& pt)\r
 158         {   \r
 159                 using boost::property_tree::wptree;\r
 160                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))\r
 161                 {               \r
 162                         auto format_desc = video_format_desc::get(widen(xml_channel.second.get(L"video-mode", L"PAL")));                \r
 163                         if(format_desc.format == video_format::invalid)\r
 164                                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));\r
 165                         auto audio_channel_layout = default_channel_layout_repository().get_by_name(\r
 166                                         boost::to_upper_copy(xml_channel.second.get(L"channel-layout", L"STEREO")));\r
 167                         \r
 168                         channels_.push_back(make_safe<video_channel>(channels_.size()+1, format_desc, ogl_, audio_channel_layout));\r
 169                         \r
 170                         channels_.back()->monitor_output().link_target(&monitor_subject_);\r
 171                         channels_.back()->mixer()->set_straight_alpha_output(\r
 172                                         xml_channel.second.get(L"straight-alpha-output", false));\r
 173 \r
 174                         create_consumers(\r
 175                                 xml_channel.second.get_child(L"consumers"),\r
 176                                 [&] (const safe_ptr<core::frame_consumer>& consumer)\r
 177                                 {\r
 178                                         channels_.back()->output()->add(consumer);\r
 179                                 });\r
 180                 }\r
 181 \r
 182                 // Dummy diagnostics channel\r
 183                 if(env::properties().get(L"configuration.channel-grid", false))\r
 184                         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")));\r
 185         }\r
 186 \r
 187         template<typename Base>\r
 188         std::vector<safe_ptr<Base>> create_consumers(const boost::property_tree::wptree& pt)\r
 189         {\r
 190                 std::vector<safe_ptr<Base>> consumers;\r
 191 \r
 192                 create_consumers(pt, [&] (const safe_ptr<core::frame_consumer>& consumer)\r
 193                 {\r
 194                         consumers.push_back(dynamic_pointer_cast<Base>(consumer));\r
 195                 });\r
 196 \r
 197                 return consumers;\r
 198         }\r
 199 \r
 200         template<class Func>\r
 201         void create_consumers(const boost::property_tree::wptree& pt, const Func& on_consumer)\r
 202         {\r
 203                 BOOST_FOREACH(auto& xml_consumer, pt)\r
 204                 {\r
 205                         try\r
 206                         {\r
 207                                 auto name = xml_consumer.first;\r
 208 \r
 209                                 if (name == L"screen")\r
 210                                         on_consumer(ogl::create_consumer(xml_consumer.second));\r
 211                                 else if (name == L"bluefish")                                   \r
 212                                         on_consumer(bluefish::create_consumer(xml_consumer.second));                                    \r
 213                                 else if (name == L"decklink")                                   \r
 214                                         on_consumer(decklink::create_consumer(xml_consumer.second));                            \r
 215                                 else if (name == L"file" || name == L"stream")                                  \r
 216                                         on_consumer(ffmpeg::create_consumer(xml_consumer.second));                                              \r
 217                                 else if (name == L"system-audio")\r
 218                                         on_consumer(oal::create_consumer());\r
 219                                 else if (name != L"<xmlcomment>")\r
 220                                         CASPAR_LOG(warning) << "Invalid consumer: " << widen(name);     \r
 221                         }\r
 222                         catch(...)\r
 223                         {\r
 224                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 225                         }\r
 226                 }\r
 227         }\r
 228                 \r
 229         void setup_controllers(const boost::property_tree::wptree& pt)\r
 230         {               \r
 231                 using boost::property_tree::wptree;\r
 232                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))\r
 233                 {\r
 234                         try\r
 235                         {\r
 236                                 auto name = xml_controller.first;\r
 237                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");   \r
 238 \r
 239                                 if(name == L"tcp")\r
 240                                 {                                       \r
 241                                         unsigned int port = xml_controller.second.get(L"port", 5250);\r
 242                                         auto asyncbootstrapper = make_safe<IO::AsyncEventServer>(create_protocol(protocol), port);\r
 243                                         asyncbootstrapper->Start();\r
 244                                         async_servers_.push_back(asyncbootstrapper);\r
 245 \r
 246                                         if (!primary_amcp_server_ && boost::iequals(protocol, L"AMCP"))\r
 247                                                 primary_amcp_server_ = asyncbootstrapper;\r
 248                                 }\r
 249                                 else\r
 250                                         CASPAR_LOG(warning) << "Invalid controller: " << widen(name);   \r
 251                         }\r
 252                         catch(...)\r
 253                         {\r
 254                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 255                         }\r
 256                 }\r
 257         }\r
 258 \r
 259         void setup_osc(const boost::property_tree::wptree& pt)\r
 260         {               \r
 261                 using boost::property_tree::wptree;\r
 262                 using namespace boost::asio::ip;\r
 263                 \r
 264                 auto default_port =\r
 265                                 pt.get<unsigned short>(L"configuration.osc.default-port", 6250);\r
 266                 auto predefined_clients =\r
 267                                 pt.get_child_optional(L"configuration.osc.predefined-clients");\r
 268 \r
 269                 if (predefined_clients)\r
 270                 {\r
 271                         BOOST_FOREACH(auto& predefined_client, *predefined_clients)\r
 272                         {\r
 273                                 const auto address =\r
 274                                                 predefined_client.second.get<std::wstring>(L"address");\r
 275                                 const auto port =\r
 276                                                 predefined_client.second.get<unsigned short>(L"port");\r
 277                                 predefined_osc_subscriptions_.push_back(\r
 278                                                 osc_client_.get_subscription_token(udp::endpoint(\r
 279                                                                 address_v4::from_string(narrow(address)),\r
 280                                                                 port)));\r
 281                         }\r
 282                 }\r
 283 \r
 284                 if (primary_amcp_server_)\r
 285                         primary_amcp_server_->add_lifecycle_factory(\r
 286                                         [=] (const std::string& ipv4_address)\r
 287                                                         -> std::shared_ptr<void>\r
 288                                         {\r
 289                                                 using namespace boost::asio::ip;\r
 290 \r
 291                                                 return osc_client_.get_subscription_token(\r
 292                                                                 udp::endpoint(\r
 293                                                                                 address_v4::from_string(ipv4_address),\r
 294                                                                                 default_port));\r
 295                                         });\r
 296         }\r
 297 \r
 298         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)\r
 299         {\r
 300                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))\r
 301                         return;\r
 302 \r
 303                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);\r
 304 \r
 305                 polling_filesystem_monitor_factory monitor_factory(\r
 306                                 io_service_manager_.service(),\r
 307                                 scan_interval_millis);\r
 308                 thumbnail_generator_.reset(new thumbnail_generator(\r
 309                                 monitor_factory, \r
 310                                 env::media_folder(),\r
 311                                 env::thumbnails_folder(),\r
 312                                 pt.get(L"configuration.thumbnails.width", 256),\r
 313                                 pt.get(L"configuration.thumbnails.height", 144),\r
 314                                 core::video_format_desc::get(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),\r
 315                                 ogl_,\r
 316                                 pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),\r
 317                                 &image::write_cropped_png));\r
 318 \r
 319                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";\r
 320         }\r
 321 \r
 322         safe_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const\r
 323         {\r
 324                 if(boost::iequals(name, L"AMCP"))\r
 325                         return make_safe<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, shutdown_server_now_);\r
 326                 else if(boost::iequals(name, L"CII"))\r
 327                         return make_safe<cii::CIIProtocolStrategy>(channels_);\r
 328                 else if(boost::iequals(name, L"CLOCK"))\r
 329                         //return make_safe<CLK::CLKProtocolStrategy>(channels_);\r
 330                         return make_safe<IO::stateful_protocol_strategy_wrapper>([=]\r
 331                         {\r
 332                                 return std::make_shared<CLK::CLKProtocolStrategy>(channels_);\r
 333                         });\r
 334                 \r
 335                 BOOST_THROW_EXCEPTION(caspar_exception() << arg_name_info("name") << arg_value_info(narrow(name)) << msg_info("Invalid protocol"));\r
 336         }\r
 337 };\r
 338 \r
 339 server::server(boost::promise<bool>& shutdown_server_now) : impl_(new implementation(shutdown_server_now)){}\r
 340 \r
 341 const std::vector<safe_ptr<video_channel>> server::get_channels() const\r
 342 {\r
 343         return impl_->channels_;\r
 344 }\r
 345 \r
 346 std::shared_ptr<thumbnail_generator> server::get_thumbnail_generator() const\r
 347 {\r
 348         return impl_->thumbnail_generator_;\r
 349 }\r
 350 \r
 351 core::monitor::source& server::monitor_output()\r
 352 {\r
 353         return impl_->monitor_subject_;\r
 354 }\r
 355 \r
 356 }