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