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
  32 #include <core/video_channel.h>
  33 #include <core/video_format.h>
  34 #include <core/producer/stage.h>
  35 #include <core/producer/frame_producer.h>
  36 #include <core/producer/scene/scene_producer.h>
  37 #include <core/consumer/output.h>
  38
  39 #include <modules/bluefish/bluefish.h>
  40 #include <modules/decklink/decklink.h>
  41 #include <modules/ffmpeg/ffmpeg.h>
  42 #include <modules/flash/flash.h>
  43 #include <modules/oal/oal.h>
  44 #include <modules/screen/screen.h>
  45 #include <modules/image/image.h>
  46 #include <modules/psd/psd.h>
  47
  48 #include <modules/oal/consumer/oal_consumer.h>
  49 #include <modules/bluefish/consumer/bluefish_consumer.h>
  50 #include <modules/decklink/consumer/decklink_consumer.h>
  51 #include <modules/screen/consumer/screen_consumer.h>
  52 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
  53
  54 #include <protocol/amcp/AMCPProtocolStrategy.h>
  55 #include <protocol/cii/CIIProtocolStrategy.h>
  56 #include <protocol/CLK/CLKProtocolStrategy.h>
  57 #include <protocol/util/AsyncEventServer.h>
  58 #include <protocol/util/strategy_adapters.h>
  59
  60 #include <boost/algorithm/string.hpp>
  61 #include <boost/lexical_cast.hpp>
  62 #include <boost/foreach.hpp>
  63 #include <boost/property_tree/ptree.hpp>
  64 #include <boost/property_tree/xml_parser.hpp>
  65
  66 namespace caspar {
  67
  68 using namespace core;
  69 using namespace protocol;
  70
  71 struct server::impl : boost::noncopyable
  72 {
  73         monitor::basic_subject                                                          event_subject_;
  74         accelerator::accelerator                                                        accelerator_;
  75         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_;
  76         std::vector<spl::shared_ptr<video_channel>>                     channels_;
  77
  78         impl()
  79                 : accelerator_(env::properties().get(L"configuration.accelerator", L"auto"))
  80         {
  81
  82                 ffmpeg::init();
  83                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
  84
  85                 bluefish::init();
  86                 CASPAR_LOG(info) << L"Initialized bluefish module.";
  87
  88                 decklink::init();
  89                 CASPAR_LOG(info) << L"Initialized decklink module.";
  90
  91                 oal::init();
  92                 CASPAR_LOG(info) << L"Initialized oal module.";
  93
  94                 screen::init();
  95                 CASPAR_LOG(info) << L"Initialized ogl module.";
  96
  97                 image::init();
  98                 CASPAR_LOG(info) << L"Initialized image module.";
  99
 100                 flash::init();
 101                 CASPAR_LOG(info) << L"Initialized flash module.";
 102
 103                 psd::init();
 104                 CASPAR_LOG(info) << L"Initialized psd module.";
 105
 106                 register_producer_factory(&core::scene::create_dummy_scene_producer);
 107
 108                 setup_channels(env::properties());
 109                 CASPAR_LOG(info) << L"Initialized channels.";
 110
 111                 setup_controllers(env::properties());
 112                 CASPAR_LOG(info) << L"Initialized controllers.";
 113         }
 114
 115         ~impl()
 116         {
 117                 async_servers_.clear();
 118                 channels_.clear();
 119
 120                 Sleep(500); // HACK: Wait for asynchronous destruction of producers and consumers.
 121
 122                 image::uninit();
 123                 ffmpeg::uninit();
 124         }
 125
 126         void setup_channels(const boost::property_tree::wptree& pt)
 127         {
 128                 using boost::property_tree::wptree;
 129                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))
 130                 {
 131                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));
 132                         if(format_desc.format == video_format::invalid)
 133                                 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
 134
 135                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accelerator_.create_image_mixer());
 136
 137                         BOOST_FOREACH(auto& xml_consumer, xml_channel.second.get_child(L"consumers"))
 138                         {
 139                                 try
 140                                 {
 141                                         auto name = xml_consumer.first;
 142                                         if(name == L"screen")
 143                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second, &channel->stage()));
 144                                         else if(name == L"bluefish")
 145                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));
 146                                         else if(name == L"decklink")
 147                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));
 148                                         else if(name == L"file")
 149                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));
 150                                         else if(name == L"system-audio")
 151                                                 channel->output().add(oal::create_consumer());
 152                                         else if(name != L"<xmlcomment>")
 153                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;
 154                                 }
 155                                 catch(...)
 156                                 {
 157                                         CASPAR_LOG_CURRENT_EXCEPTION();
 158                                 }
 159                         }
 160
 161                     channel->subscribe(monitor::observable::observer_ptr(event_subject_));
 162                         channels_.push_back(channel);
 163                 }
 164
 165                 // Dummy diagnostics channel
 166                 if(env::properties().get(L"configuration.channel-grid", false))
 167                         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()));
 168         }
 169
 170         void setup_controllers(const boost::property_tree::wptree& pt)
 171         {
 172                 using boost::property_tree::wptree;
 173                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))
 174                 {
 175                         try
 176                         {
 177                                 auto name = xml_controller.first;
 178                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");
 179
 180                                 if(name == L"tcp")
 181                                 {
 182                                         unsigned int port = xml_controller.second.get(L"port", 5250);
 183                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);
 184                                         async_servers_.push_back(asyncbootstrapper);
 185                                 }
 186                                 else
 187                                         CASPAR_LOG(warning) << "Invalid controller: " << name;
 188                         }
 189                         catch(...)
 190                         {
 191                                 CASPAR_LOG_CURRENT_EXCEPTION();
 192                         }
 193                 }
 194         }
 195
 196         IO::protocol_strategy_factory<char>::ptr create_protocol(const std::wstring& name) const
 197         {
 198                 using namespace IO;
 199
 200                 if(boost::iequals(name, L"AMCP"))
 201                         return wrap_legacy_protocol("\r\n", spl::make_shared<amcp::AMCPProtocolStrategy>(channels_));
 202                 else if(boost::iequals(name, L"CII"))
 203                         return wrap_legacy_protocol("\r\n", spl::make_shared<cii::CIIProtocolStrategy>(channels_));
 204                 else if(boost::iequals(name, L"CLOCK"))
 205                         return spl::make_shared<to_unicode_adapter_factory>(
 206                                         "ISO-8859-1",
 207                                         spl::make_shared<CLK::clk_protocol_strategy_factory>(channels_));
 208
 209                 CASPAR_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));
 210         }
 211
 212 };
 213
 214 server::server() : impl_(new impl()){}
 215
 216 const std::vector<spl::shared_ptr<video_channel>> server::channels() const
 217 {
 218         return impl_->channels_;
 219 }
 220 void server::subscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.subscribe(o);}
 221 void server::unsubscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.unsubscribe(o);}
 222
 223 }