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

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21 #include "stdafx.h"
  22
  23 #include "server.h"
  24
  25 #include <accelerator/accelerator.h>
  26
  27 #include <common/env.h>
  28 #include <common/except.h>
  29 #include <common/utf.h>
  30 #include <common/memory.h>
  31 #include <common/polling_filesystem_monitor.h>
  32 #include <common/diagnostics/graph.h>
  33
  34 #include <core/video_channel.h>
  35 #include <core/video_format.h>
  36 #include <core/producer/stage.h>
  37 #include <core/producer/frame_producer.h>
  38 #include <core/producer/scene/scene_producer.h>
  39 #include <core/producer/scene/xml_scene_producer.h>
  40 #include <core/producer/text/text_producer.h>
  41 #include <core/consumer/output.h>
  42 #include <core/thumbnail_generator.h>
  43
  44 #include <modules/bluefish/bluefish.h>
  45 #include <modules/decklink/decklink.h>
  46 #include <modules/ffmpeg/ffmpeg.h>
  47 #include <modules/flash/flash.h>
  48 #include <modules/oal/oal.h>
  49 #include <modules/screen/screen.h>
  50 #include <modules/image/image.h>
  51 #include <modules/image/consumer/image_consumer.h>
  52 #include <modules/psd/psd_scene_producer.h>
  53
  54 #include <modules/oal/consumer/oal_consumer.h>
  55 #include <modules/bluefish/consumer/bluefish_consumer.h>
  56 #include <modules/decklink/consumer/decklink_consumer.h>
  57 #include <modules/screen/consumer/screen_consumer.h>
  58 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
  59
  60 #include <protocol/asio/io_service_manager.h>
  61 #include <protocol/amcp/AMCPProtocolStrategy.h>
  62 #include <protocol/cii/CIIProtocolStrategy.h>
  63 #include <protocol/CLK/CLKProtocolStrategy.h>
  64 #include <protocol/util/AsyncEventServer.h>
  65 #include <protocol/util/strategy_adapters.h>
  66 #include <protocol/osc/client.h>
  67
  68 #include <boost/algorithm/string.hpp>
  69 #include <boost/thread.hpp>
  70 #include <boost/lexical_cast.hpp>
  71 #include <boost/property_tree/ptree.hpp>
  72 #include <boost/property_tree/xml_parser.hpp>
  73
  74 #include <future>
  75
  76 namespace caspar {
  77
  78 using namespace core;
  79 using namespace protocol;
  80
  81 struct server::impl : boost::noncopyable
  82 {
  83         protocol::asio::io_service_manager                                      io_service_manager_;
  84         spl::shared_ptr<monitor::subject>                                       monitor_subject_;
  85         accelerator::accelerator                                                        accelerator_;
  86         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_;
  87         std::shared_ptr<IO::AsyncEventServer>                           primary_amcp_server_;
  88         osc::client                                                                                     osc_client_;
  89         std::vector<std::shared_ptr<void>>                                      predefined_osc_subscriptions_;
  90         std::vector<spl::shared_ptr<video_channel>>                     channels_;
  91         std::shared_ptr<thumbnail_generator>                            thumbnail_generator_;
  92         std::promise<bool>&                                                                     shutdown_server_now_;
  93
  94         explicit impl(std::promise<bool>& shutdown_server_now)
  95                 : accelerator_(env::properties().get(L"configuration.accelerator", L"auto"))
  96                 , osc_client_(io_service_manager_.service())
  97                 , shutdown_server_now_(shutdown_server_now)
  98         {
  99
 100                 ffmpeg::init();
 101                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
 102
 103                 bluefish::init();
 104                 CASPAR_LOG(info) << L"Initialized bluefish module.";
 105
 106                 decklink::init();
 107                 CASPAR_LOG(info) << L"Initialized decklink module.";
 108
 109                 oal::init();
 110                 CASPAR_LOG(info) << L"Initialized oal module.";
 111
 112                 screen::init();
 113                 CASPAR_LOG(info) << L"Initialized ogl module.";
 114
 115                 image::init();
 116                 CASPAR_LOG(info) << L"Initialized image module.";
 117
 118                 flash::init();
 119                 CASPAR_LOG(info) << L"Initialized flash module.";
 120
 121                 psd::init();
 122                 CASPAR_LOG(info) << L"Initialized psd module.";
 123
 124                 core::text::init();
 125
 126                 register_producer_factory(&core::scene::create_dummy_scene_producer);
 127                 register_producer_factory(&core::scene::create_xml_scene_producer);
 128
 129                 setup_channels(env::properties());
 130                 CASPAR_LOG(info) << L"Initialized channels.";
 131
 132                 setup_thumbnail_generation(env::properties());
 133                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
 134
 135                 setup_controllers(env::properties());
 136                 CASPAR_LOG(info) << L"Initialized controllers.";
 137
 138                 setup_osc(env::properties());
 139                 CASPAR_LOG(info) << L"Initialized osc.";
 140         }
 141
 142         ~impl()
 143         {
 144                 thumbnail_generator_.reset();
 145                 primary_amcp_server_.reset();
 146                 async_servers_.clear();
 147                 channels_.clear();
 148
 149                 boost::this_thread::sleep(boost::posix_time::milliseconds(500));
 150                 //Sleep(500); // HACK: Wait for asynchronous destruction of producers and consumers.
 151
 152                 image::uninit();
 153                 ffmpeg::uninit();
 154                 diagnostics::shutdown();
 155         }
 156
 157         void setup_channels(const boost::property_tree::wptree& pt)
 158         {
 159                 using boost::property_tree::wptree;
 160                 for (auto& xml_channel : pt.get_child(L"configuration.channels"))
 161                 {
 162                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));
 163                         if(format_desc.format == video_format::invalid)
 164                                 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
 165
 166                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accelerator_.create_image_mixer());
 167
 168                         for (auto& xml_consumer : xml_channel.second.get_child(L"consumers"))
 169                         {
 170                                 try
 171                                 {
 172                                         auto name = xml_consumer.first;
 173                                         if(name == L"screen")
 174                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second, &channel->stage()));
 175                                         else if(name == L"bluefish")
 176                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));
 177                                         else if(name == L"decklink")
 178                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));
 179                                         else if(name == L"file")
 180                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));
 181                                         else if(name == L"system-audio")
 182                                                 channel->output().add(oal::create_consumer());
 183                                         else if(name != L"<xmlcomment>")
 184                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;
 185                                 }
 186                                 catch(...)
 187                                 {
 188                                         CASPAR_LOG_CURRENT_EXCEPTION();
 189                                 }
 190                         }
 191
 192                     channel->monitor_output().attach_parent(monitor_subject_);
 193                         channels_.push_back(channel);
 194                 }
 195
 196                 // Dummy diagnostics channel
 197                 if(env::properties().get(L"configuration.channel-grid", false))
 198                         channels_.push_back(spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), core::video_format_desc(core::video_format::x576p2500), accelerator_.create_image_mixer()));
 199         }
 200
 201         void setup_osc(const boost::property_tree::wptree& pt)
 202         {
 203                 using boost::property_tree::wptree;
 204                 using namespace boost::asio::ip;
 205
 206                 monitor_subject_->attach_parent(osc_client_.sink());
 207
 208                 auto default_port =
 209                                 pt.get<unsigned short>(L"configuration.osc.default-port", 6250);
 210                 auto predefined_clients =
 211                                 pt.get_child_optional(L"configuration.osc.predefined-clients");
 212
 213                 if (predefined_clients)
 214                 {
 215                         for (auto& predefined_client : *predefined_clients)
 216                         {
 217                                 const auto address =
 218                                                 predefined_client.second.get<std::wstring>(L"address");
 219                                 const auto port =
 220                                                 predefined_client.second.get<unsigned short>(L"port");
 221                                 predefined_osc_subscriptions_.push_back(
 222                                                 osc_client_.get_subscription_token(udp::endpoint(
 223                                                                 address_v4::from_string(u8(address)),
 224                                                                 port)));
 225                         }
 226                 }
 227
 228                 if (primary_amcp_server_)
 229                         primary_amcp_server_->add_client_lifecycle_object_factory(
 230                                         [=] (const std::string& ipv4_address)
 231                                                         -> std::pair<std::wstring, std::shared_ptr<void>>
 232                                         {
 233                                                 using namespace boost::asio::ip;
 234
 235                                                 return std::make_pair(
 236                                                                 std::wstring(L"osc_subscribe"),
 237                                                                 osc_client_.get_subscription_token(
 238                                                                                 udp::endpoint(
 239                                                                                                 address_v4::from_string(
 240                                                                                                                 ipv4_address),
 241                                                                                                 default_port)));
 242                                         });
 243         }
 244
 245         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)
 246         {
 247                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))
 248                         return;
 249
 250                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);
 251
 252                 polling_filesystem_monitor_factory monitor_factory(scan_interval_millis);
 253                 thumbnail_generator_.reset(new thumbnail_generator(
 254                         monitor_factory,
 255                         env::media_folder(),
 256                         env::thumbnails_folder(),
 257                         pt.get(L"configuration.thumbnails.width", 256),
 258                         pt.get(L"configuration.thumbnails.height", 144),
 259                         core::video_format_desc(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),
 260                         accelerator_.create_image_mixer(),
 261                         pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),
 262                         &image::write_cropped_png));
 263
 264                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
 265         }
 266
 267         void setup_controllers(const boost::property_tree::wptree& pt)
 268         {
 269                 using boost::property_tree::wptree;
 270                 for (auto& xml_controller : pt.get_child(L"configuration.controllers"))
 271                 {
 272                         try
 273                         {
 274                                 auto name = xml_controller.first;
 275                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");
 276
 277                                 if(name == L"tcp")
 278                                 {
 279                                         unsigned int port = xml_controller.second.get(L"port", 5250);
 280                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);
 281                                         async_servers_.push_back(asyncbootstrapper);
 282
 283                                         if (!primary_amcp_server_ && boost::iequals(protocol, L"AMCP"))
 284                                                 primary_amcp_server_ = asyncbootstrapper;
 285                                 }
 286                                 else
 287                                         CASPAR_LOG(warning) << "Invalid controller: " << name;
 288                         }
 289                         catch(...)
 290                         {
 291                                 CASPAR_LOG_CURRENT_EXCEPTION();
 292                         }
 293                 }
 294         }
 295
 296         IO::protocol_strategy_factory<char>::ptr create_protocol(const std::wstring& name) const
 297         {
 298                 using namespace IO;
 299
 300                 if(boost::iequals(name, L"AMCP"))
 301                         return wrap_legacy_protocol("\r\n", spl::make_shared<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, shutdown_server_now_));
 302                 else if(boost::iequals(name, L"CII"))
 303                         return wrap_legacy_protocol("\r\n", spl::make_shared<cii::CIIProtocolStrategy>(channels_));
 304                 else if(boost::iequals(name, L"CLOCK"))
 305                         return spl::make_shared<to_unicode_adapter_factory>(
 306                                         "ISO-8859-1",
 307                                         spl::make_shared<CLK::clk_protocol_strategy_factory>(channels_));
 308
 309                 CASPAR_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));
 310         }
 311
 312 };
 313
 314 server::server(std::promise<bool>& shutdown_server_now) : impl_(new impl(shutdown_server_now)){}
 315
 316 const std::vector<spl::shared_ptr<video_channel>> server::channels() const
 317 {
 318         return impl_->channels_;
 319 }
 320 std::shared_ptr<core::thumbnail_generator> server::get_thumbnail_generator() const {return impl_->thumbnail_generator_; }
 321 core::monitor::subject& server::monitor_output() { return *impl_->monitor_subject_; }
 322
 323 }