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/consumer/synchronizing/synchronizing_consumer.h>\r
  39 #include <core/thumbnail_generator.h>\r
  40 \r
  41 #include <modules/bluefish/bluefish.h>\r
  42 #include <modules/decklink/decklink.h>\r
  43 #include <modules/ffmpeg/ffmpeg.h>\r
  44 #include <modules/flash/flash.h>\r
  45 #include <modules/portaudio/portaudio.h>\r
  46 #include <modules/ogl/ogl.h>\r
  47 #include <modules/silverlight/silverlight.h>\r
  48 #include <modules/image/image.h>\r
  49 #include <modules/image/consumer/image_consumer.h>\r
  50 \r
  51 #include <modules/portaudio/consumer/portaudio_consumer.h>\r
  52 #include <modules/bluefish/consumer/bluefish_consumer.h>\r
  53 #include <modules/decklink/consumer/decklink_consumer.h>\r
  54 #include <modules/decklink/consumer/blocking_decklink_consumer.h>\r
  55 #include <modules/ogl/consumer/ogl_consumer.h>\r
  56 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>\r
  57 \r
  58 #include <protocol/amcp/AMCPProtocolStrategy.h>\r
  59 #include <protocol/cii/CIIProtocolStrategy.h>\r
  60 #include <protocol/CLK/CLKProtocolStrategy.h>\r
  61 #include <protocol/util/AsyncEventServer.h>\r
  62 #include <protocol/util/stateful_protocol_strategy_wrapper.h>\r
  63 #include <protocol/osc/client.h>\r
  64 #include <protocol/asio/io_service_manager.h>\r
  65 \r
  66 #include <boost/algorithm/string.hpp>\r
  67 #include <boost/lexical_cast.hpp>\r
  68 #include <boost/foreach.hpp>\r
  69 #include <boost/property_tree/ptree.hpp>\r
  70 #include <boost/property_tree/xml_parser.hpp>\r
  71 \r
  72 namespace caspar {\r
  73 \r
  74 using namespace core;\r
  75 using namespace protocol;\r
  76 \r
  77 struct server::implementation : boost::noncopyable\r
  78 {\r
  79         protocol::asio::io_service_manager                      io_service_manager_;\r
  80         core::monitor::subject                                          monitor_subject_;\r
  81         boost::promise<bool>&                                           shutdown_server_now_;\r
  82         safe_ptr<ogl_device>                                            ogl_;\r
  83         std::vector<safe_ptr<IO::AsyncEventServer>> async_servers_;     \r
  84         std::shared_ptr<IO::AsyncEventServer>           primary_amcp_server_;\r
  85         osc::client                                                                     osc_client_;\r
  86         std::vector<std::shared_ptr<void>>                      predefined_osc_subscriptions_;\r
  87         std::vector<safe_ptr<video_channel>>            channels_;\r
  88         std::shared_ptr<thumbnail_generator>            thumbnail_generator_;\r
  89 \r
  90         implementation(boost::promise<bool>& shutdown_server_now)\r
  91                 : shutdown_server_now_(shutdown_server_now)\r
  92                 , ogl_(ogl_device::create())\r
  93                 , osc_client_(io_service_manager_.service(), monitor_subject_)\r
  94         {\r
  95                 setup_audio(env::properties());\r
  96 \r
  97                 ffmpeg::init();\r
  98                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";\r
  99                                                           \r
 100                 bluefish::init();         \r
 101                 CASPAR_LOG(info) << L"Initialized bluefish module.";\r
 102                                                           \r
 103                 decklink::init();         \r
 104                 CASPAR_LOG(info) << L"Initialized decklink module.";\r
 105 \r
 106                 portaudio::init();\r
 107                 CASPAR_LOG(info) << L"Initialized portaudio module.";\r
 108                                                           \r
 109                 ogl::init();              \r
 110                 CASPAR_LOG(info) << L"Initialized ogl module.";\r
 111 \r
 112                 flash::init();            \r
 113                 CASPAR_LOG(info) << L"Initialized flash module.";\r
 114 \r
 115                 image::init();            \r
 116                 CASPAR_LOG(info) << L"Initialized image module.";\r
 117 \r
 118                 setup_channels(env::properties());\r
 119                 CASPAR_LOG(info) << L"Initialized channels.";\r
 120 \r
 121                 setup_thumbnail_generation(env::properties());\r
 122 \r
 123                 setup_controllers(env::properties());\r
 124                 CASPAR_LOG(info) << L"Initialized controllers.";\r
 125 \r
 126                 setup_osc(env::properties());\r
 127                 CASPAR_LOG(info) << L"Initialized osc.";\r
 128         }\r
 129 \r
 130         ~implementation()\r
 131         {               \r
 132                 thumbnail_generator_.reset();\r
 133                 primary_amcp_server_.reset();\r
 134                 async_servers_.clear();\r
 135                 destroy_producers_synchronously();\r
 136                 channels_.clear();\r
 137 \r
 138                 ffmpeg::uninit();\r
 139         }\r
 140 \r
 141         void setup_audio(const boost::property_tree::wptree& pt)\r
 142         {\r
 143                 register_default_channel_layouts(default_channel_layout_repository());\r
 144                 register_default_mix_configs(default_mix_config_repository());\r
 145 \r
 146                 auto channel_layouts =\r
 147                         pt.get_child_optional(L"configuration.audio.channel-layouts");\r
 148                 auto mix_configs =\r
 149                         pt.get_child_optional(L"configuration.audio.mix-configs");\r
 150 \r
 151                 if (channel_layouts)\r
 152                         parse_channel_layouts(\r
 153                                         default_channel_layout_repository(), *channel_layouts);\r
 154 \r
 155                 if (mix_configs)\r
 156                         parse_mix_configs(\r
 157                                         default_mix_config_repository(), *mix_configs);\r
 158         }\r
 159                                 \r
 160         void setup_channels(const boost::property_tree::wptree& pt)\r
 161         {   \r
 162                 using boost::property_tree::wptree;\r
 163                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))\r
 164                 {               \r
 165                         auto format_desc = video_format_desc::get(widen(xml_channel.second.get(L"video-mode", L"PAL")));                \r
 166                         if(format_desc.format == video_format::invalid)\r
 167                                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));\r
 168                         auto audio_channel_layout = default_channel_layout_repository().get_by_name(\r
 169                                         boost::to_upper_copy(xml_channel.second.get(L"channel-layout", L"STEREO")));\r
 170                         \r
 171                         channels_.push_back(make_safe<video_channel>(channels_.size()+1, format_desc, ogl_, audio_channel_layout));\r
 172                         \r
 173                         channels_.back()->monitor_output().link_target(&monitor_subject_);\r
 174                         channels_.back()->mixer()->set_straight_alpha_output(\r
 175                                         xml_channel.second.get(L"straight-alpha-output", false));\r
 176 \r
 177                         create_consumers(\r
 178                                 xml_channel.second.get_child(L"consumers"),\r
 179                                 [&] (const safe_ptr<core::frame_consumer>& consumer)\r
 180                                 {\r
 181                                         channels_.back()->output()->add(consumer);\r
 182                                 });\r
 183                 }\r
 184 \r
 185                 // Dummy diagnostics channel\r
 186                 if(env::properties().get(L"configuration.channel-grid", false))\r
 187                         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
 188         }\r
 189 \r
 190         template<typename Base>\r
 191         std::vector<safe_ptr<Base>> create_consumers(const boost::property_tree::wptree& pt)\r
 192         {\r
 193                 std::vector<safe_ptr<Base>> consumers;\r
 194 \r
 195                 create_consumers(pt, [&] (const safe_ptr<core::frame_consumer>& consumer)\r
 196                 {\r
 197                         consumers.push_back(dynamic_pointer_cast<Base>(consumer));\r
 198                 });\r
 199 \r
 200                 return consumers;\r
 201         }\r
 202 \r
 203         template<class Func>\r
 204         void create_consumers(const boost::property_tree::wptree& pt, const Func& on_consumer)\r
 205         {\r
 206                 BOOST_FOREACH(auto& xml_consumer, pt)\r
 207                 {\r
 208                         try\r
 209                         {\r
 210                                 auto name = xml_consumer.first;\r
 211 \r
 212                                 if (name == L"screen")\r
 213                                         on_consumer(ogl::create_consumer(xml_consumer.second));\r
 214                                 else if (name == L"bluefish")                                   \r
 215                                         on_consumer(bluefish::create_consumer(xml_consumer.second));                                    \r
 216                                 else if (name == L"decklink")                                   \r
 217                                         on_consumer(decklink::create_consumer(xml_consumer.second));                            \r
 218                                 else if (name == L"blocking-decklink")\r
 219                                         on_consumer(decklink::create_blocking_consumer(xml_consumer.second));                           \r
 220                                 else if (name == L"file" || name == L"stream")                                  \r
 221                                         on_consumer(ffmpeg::create_consumer(xml_consumer.second));                                              \r
 222                                 else if (name == L"system-audio")\r
 223                                         on_consumer(portaudio::create_consumer());\r
 224                                 else if (name == L"synchronizing")\r
 225                                         on_consumer(make_safe<core::synchronizing_consumer>(\r
 226                                                         create_consumers<core::frame_consumer>(\r
 227                                                                         xml_consumer.second)));\r
 228                                 else if (name != L"<xmlcomment>")\r
 229                                         CASPAR_LOG(warning) << "Invalid consumer: " << widen(name);     \r
 230                         }\r
 231                         catch(...)\r
 232                         {\r
 233                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 234                         }\r
 235                 }\r
 236         }\r
 237                 \r
 238         void setup_controllers(const boost::property_tree::wptree& pt)\r
 239         {               \r
 240                 using boost::property_tree::wptree;\r
 241                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))\r
 242                 {\r
 243                         try\r
 244                         {\r
 245                                 auto name = xml_controller.first;\r
 246                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");   \r
 247 \r
 248                                 if(name == L"tcp")\r
 249                                 {                                       \r
 250                                         unsigned int port = xml_controller.second.get(L"port", 5250);\r
 251                                         auto asyncbootstrapper = make_safe<IO::AsyncEventServer>(create_protocol(protocol), port);\r
 252                                         asyncbootstrapper->Start();\r
 253                                         async_servers_.push_back(asyncbootstrapper);\r
 254 \r
 255                                         if (!primary_amcp_server_ && boost::iequals(protocol, L"AMCP"))\r
 256                                                 primary_amcp_server_ = asyncbootstrapper;\r
 257                                 }\r
 258                                 else\r
 259                                         CASPAR_LOG(warning) << "Invalid controller: " << widen(name);   \r
 260                         }\r
 261                         catch(...)\r
 262                         {\r
 263                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 264                         }\r
 265                 }\r
 266         }\r
 267 \r
 268         void setup_osc(const boost::property_tree::wptree& pt)\r
 269         {               \r
 270                 using boost::property_tree::wptree;\r
 271                 using namespace boost::asio::ip;\r
 272                 \r
 273                 auto default_port =\r
 274                                 pt.get<unsigned short>(L"configuration.osc.default-port", 6250);\r
 275                 auto predefined_clients =\r
 276                                 pt.get_child_optional(L"configuration.osc.predefined-clients");\r
 277 \r
 278                 if (predefined_clients)\r
 279                 {\r
 280                         BOOST_FOREACH(auto& predefined_client, *predefined_clients)\r
 281                         {\r
 282                                 const auto address =\r
 283                                                 predefined_client.second.get<std::wstring>(L"address");\r
 284                                 const auto port =\r
 285                                                 predefined_client.second.get<unsigned short>(L"port");\r
 286                                 predefined_osc_subscriptions_.push_back(\r
 287                                                 osc_client_.get_subscription_token(udp::endpoint(\r
 288                                                                 address_v4::from_string(narrow(address)),\r
 289                                                                 port)));\r
 290                         }\r
 291                 }\r
 292 \r
 293                 if (primary_amcp_server_)\r
 294                         primary_amcp_server_->add_lifecycle_factory(\r
 295                                         [=] (const std::string& ipv4_address)\r
 296                                                         -> std::shared_ptr<void>\r
 297                                         {\r
 298                                                 using namespace boost::asio::ip;\r
 299 \r
 300                                                 return osc_client_.get_subscription_token(\r
 301                                                                 udp::endpoint(\r
 302                                                                                 address_v4::from_string(ipv4_address),\r
 303                                                                                 default_port));\r
 304                                         });\r
 305         }\r
 306 \r
 307         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)\r
 308         {\r
 309                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))\r
 310                         return;\r
 311 \r
 312                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);\r
 313 \r
 314                 polling_filesystem_monitor_factory monitor_factory(\r
 315                                 io_service_manager_.service(),\r
 316                                 scan_interval_millis);\r
 317                 thumbnail_generator_.reset(new thumbnail_generator(\r
 318                                 monitor_factory, \r
 319                                 env::media_folder(),\r
 320                                 env::thumbnails_folder(),\r
 321                                 pt.get(L"configuration.thumbnails.width", 256),\r
 322                                 pt.get(L"configuration.thumbnails.height", 144),\r
 323                                 core::video_format_desc::get(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),\r
 324                                 ogl_,\r
 325                                 pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),\r
 326                                 &image::write_cropped_png));\r
 327 \r
 328                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";\r
 329         }\r
 330 \r
 331         safe_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const\r
 332         {\r
 333                 if(boost::iequals(name, L"AMCP"))\r
 334                         return make_safe<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, shutdown_server_now_);\r
 335                 else if(boost::iequals(name, L"CII"))\r
 336                         return make_safe<cii::CIIProtocolStrategy>(channels_);\r
 337                 else if(boost::iequals(name, L"CLOCK"))\r
 338                         //return make_safe<CLK::CLKProtocolStrategy>(channels_);\r
 339                         return make_safe<IO::stateful_protocol_strategy_wrapper>([=]\r
 340                         {\r
 341                                 return std::make_shared<CLK::CLKProtocolStrategy>(channels_);\r
 342                         });\r
 343                 \r
 344                 BOOST_THROW_EXCEPTION(caspar_exception() << arg_name_info("name") << arg_value_info(narrow(name)) << msg_info("Invalid protocol"));\r
 345         }\r
 346 };\r
 347 \r
 348 server::server(boost::promise<bool>& shutdown_server_now) : impl_(new implementation(shutdown_server_now)){}\r
 349 \r
 350 const std::vector<safe_ptr<video_channel>> server::get_channels() const\r
 351 {\r
 352         return impl_->channels_;\r
 353 }\r
 354 \r
 355 std::shared_ptr<thumbnail_generator> server::get_thumbnail_generator() const\r
 356 {\r
 357         return impl_->thumbnail_generator_;\r
 358 }\r
 359 \r
 360 core::monitor::source& server::monitor_output()\r
 361 {\r
 362         return impl_->monitor_subject_;\r
 363 }\r
 364 \r
 365 }