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
  31 #include <core/video_channel.h>
  32 #include <core/video_format.h>
  33 #include <core/producer/stage.h>
  34 #include <core/consumer/output.h>
  35
  36 #include <modules/bluefish/bluefish.h>
  37 #include <modules/decklink/decklink.h>
  38 #include <modules/ffmpeg/ffmpeg.h>
  39 #include <modules/flash/flash.h>
  40 #include <modules/oal/oal.h>
  41 #include <modules/screen/screen.h>
  42 #include <modules/image/image.h>
  43
  44 #include <modules/oal/consumer/oal_consumer.h>
  45 #include <modules/bluefish/consumer/bluefish_consumer.h>
  46 #include <modules/decklink/consumer/decklink_consumer.h>
  47 #include <modules/screen/consumer/screen_consumer.h>
  48 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
  49
  50 #include <protocol/amcp/AMCPProtocolStrategy.h>
  51 #include <protocol/cii/CIIProtocolStrategy.h>
  52 #include <protocol/CLK/CLKProtocolStrategy.h>
  53 #include <protocol/util/AsyncEventServer.h>
  54
  55 #include <boost/algorithm/string.hpp>
  56 #include <boost/lexical_cast.hpp>
  57 #include <boost/foreach.hpp>
  58 #include <boost/property_tree/ptree.hpp>
  59 #include <boost/property_tree/xml_parser.hpp>
  60
  61 namespace caspar {
  62
  63 using namespace core;
  64 using namespace protocol;
  65
  66 struct server::impl : boost::noncopyable
  67 {
  68         monitor::basic_subject                                                          event_subject_;
  69         accelerator::accelerator                                                        accelerator_;
  70         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_;
  71         std::vector<spl::shared_ptr<video_channel>>                     channels_;
  72
  73         impl()
  74                 : accelerator_(env::properties().get(L"configuration.accelerator", L"auto"))
  75         {
  76
  77                 ffmpeg::init();
  78                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
  79
  80                 bluefish::init();
  81                 CASPAR_LOG(info) << L"Initialized bluefish module.";
  82
  83                 decklink::init();
  84                 CASPAR_LOG(info) << L"Initialized decklink module.";
  85
  86                 oal::init();
  87                 CASPAR_LOG(info) << L"Initialized oal module.";
  88
  89                 screen::init();
  90                 CASPAR_LOG(info) << L"Initialized ogl module.";
  91
  92                 image::init();
  93                 CASPAR_LOG(info) << L"Initialized image module.";
  94
  95                 flash::init();
  96                 CASPAR_LOG(info) << L"Initialized flash module.";
  97
  98                 setup_channels(env::properties());
  99                 CASPAR_LOG(info) << L"Initialized channels.";
 100
 101                 setup_controllers(env::properties());
 102                 CASPAR_LOG(info) << L"Initialized controllers.";
 103         }
 104
 105         ~impl()
 106         {
 107                 async_servers_.clear();
 108                 channels_.clear();
 109
 110                 Sleep(500); // HACK: Wait for asynchronous destruction of producers and consumers.
 111
 112                 image::uninit();
 113                 ffmpeg::uninit();
 114         }
 115
 116         void setup_channels(const boost::property_tree::wptree& pt)
 117         {
 118                 using boost::property_tree::wptree;
 119                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))
 120                 {
 121                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));
 122                         if(format_desc.format == video_format::invalid)
 123                                 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
 124
 125                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accelerator_.create_image_mixer());
 126
 127                         BOOST_FOREACH(auto& xml_consumer, xml_channel.second.get_child(L"consumers"))
 128                         {
 129                                 try
 130                                 {
 131                                         auto name = xml_consumer.first;
 132                                         if(name == L"screen")
 133                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second));
 134                                         else if(name == L"bluefish")
 135                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));
 136                                         else if(name == L"decklink")
 137                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));
 138                                         else if(name == L"file")
 139                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));
 140                                         else if(name == L"system-audio")
 141                                                 channel->output().add(oal::create_consumer());
 142                                         else if(name != L"<xmlcomment>")
 143                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;
 144                                 }
 145                                 catch(...)
 146                                 {
 147                                         CASPAR_LOG_CURRENT_EXCEPTION();
 148                                 }
 149                         }
 150
 151                     channel->subscribe(monitor::observable::observer_ptr(event_subject_));
 152                         channels_.push_back(channel);
 153                 }
 154
 155                 // Dummy diagnostics channel
 156                 if(env::properties().get(L"configuration.channel-grid", false))
 157                         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()));
 158         }
 159
 160         void setup_controllers(const boost::property_tree::wptree& pt)
 161         {
 162                 using boost::property_tree::wptree;
 163                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))
 164                 {
 165                         try
 166                         {
 167                                 auto name = xml_controller.first;
 168                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");
 169
 170                                 if(name == L"tcp")
 171                                 {
 172                                         unsigned int port = xml_controller.second.get(L"port", 5250);
 173                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);
 174                                         async_servers_.push_back(asyncbootstrapper);
 175                                 }
 176                                 else
 177                                         CASPAR_LOG(warning) << "Invalid controller: " << name;
 178                         }
 179                         catch(...)
 180                         {
 181                                 CASPAR_LOG_CURRENT_EXCEPTION();
 182                         }
 183                 }
 184         }
 185
 186         spl::shared_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const
 187         {
 188                 if(boost::iequals(name, L"AMCP"))
 189                         return spl::make_shared<amcp::AMCPProtocolStrategy>(channels_);
 190                 else if(boost::iequals(name, L"CII"))
 191                         return spl::make_shared<cii::CIIProtocolStrategy>(channels_);
 192                 else if(boost::iequals(name, L"CLOCK"))
 193                         return spl::make_shared<CLK::CLKProtocolStrategy>(channels_);
 194
 195                 CASPAR_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));
 196         }
 197 };
 198
 199 server::server() : impl_(new impl()){}
 200
 201 const std::vector<spl::shared_ptr<video_channel>> server::channels() const
 202 {
 203         return impl_->channels_;
 204 }
 205 void server::subscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.subscribe(o);}
 206 void server::unsubscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.unsubscribe(o);}
 207
 208 }