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

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@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 #include "stdafx.h"\r
  22 \r
  23 #include "server.h"\r
  24 \r
  25 #include <accelerator/factory.h>\r
  26 #include <accelerator/ogl/factory.h>\r
  27 #include <accelerator/cpu/factory.h>\r
  28 \r
  29 #include <common/env.h>\r
  30 #include <common/except.h>\r
  31 #include <common/utf.h>\r
  32 \r
  33 #include <core/video_channel.h>\r
  34 #include <core/video_format.h>\r
  35 #include <core/producer/stage.h>\r
  36 #include <core/consumer/output.h>\r
  37 \r
  38 #include <modules/bluefish/bluefish.h>\r
  39 #include <modules/decklink/decklink.h>\r
  40 #include <modules/ffmpeg/ffmpeg.h>\r
  41 #include <modules/flash/flash.h>\r
  42 #include <modules/oal/oal.h>\r
  43 #include <modules/screen/screen.h>\r
  44 #include <modules/image/image.h>\r
  45 \r
  46 #include <modules/oal/consumer/oal_consumer.h>\r
  47 #include <modules/bluefish/consumer/bluefish_consumer.h>\r
  48 #include <modules/decklink/consumer/decklink_consumer.h>\r
  49 #include <modules/screen/consumer/screen_consumer.h>\r
  50 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>\r
  51 \r
  52 #include <protocol/amcp/AMCPProtocolStrategy.h>\r
  53 #include <protocol/cii/CIIProtocolStrategy.h>\r
  54 #include <protocol/CLK/CLKProtocolStrategy.h>\r
  55 #include <protocol/util/AsyncEventServer.h>\r
  56 \r
  57 #include <boost/algorithm/string.hpp>\r
  58 #include <boost/lexical_cast.hpp>\r
  59 #include <boost/foreach.hpp>\r
  60 #include <boost/property_tree/ptree.hpp>\r
  61 #include <boost/property_tree/xml_parser.hpp>\r
  62 \r
  63 namespace caspar {\r
  64 \r
  65 using namespace core;\r
  66 using namespace protocol;\r
  67 \r
  68 struct server::impl : boost::noncopyable\r
  69 {\r
  70         spl::shared_ptr<monitor::subject>                                       event_subject_;\r
  71         std::unique_ptr<accelerator::factory>                           accel_factory_;\r
  72         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_; \r
  73         std::vector<spl::shared_ptr<video_channel>>                     channels_;\r
  74 \r
  75         impl()          \r
  76         {       \r
  77                 auto accel_str = env::properties().get(L"configuration.accelerator", L"auto");\r
  78 \r
  79                 if(accel_str == L"cpu")\r
  80                         accel_factory_.reset(new accelerator::cpu::factory());\r
  81                 else\r
  82                 {\r
  83                         try\r
  84                         {\r
  85                                 accel_factory_.reset(new accelerator::ogl::factory());\r
  86                         }\r
  87                         catch(...)\r
  88                         {\r
  89                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  90                                 accel_factory_.reset(new accelerator::cpu::factory());\r
  91                                 CASPAR_LOG(warning) << L"Using fallback CPU mixer.";\r
  92                         }\r
  93                 }\r
  94 \r
  95                 ffmpeg::init();\r
  96                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";\r
  97                                                           \r
  98                 bluefish::init();         \r
  99                 CASPAR_LOG(info) << L"Initialized bluefish module.";\r
 100                                                           \r
 101                 decklink::init();         \r
 102                 CASPAR_LOG(info) << L"Initialized decklink module.";\r
 103                                                                                                                   \r
 104                 oal::init();              \r
 105                 CASPAR_LOG(info) << L"Initialized oal module.";\r
 106                                                           \r
 107                 screen::init();           \r
 108                 CASPAR_LOG(info) << L"Initialized ogl module.";\r
 109 \r
 110                 image::init();            \r
 111                 CASPAR_LOG(info) << L"Initialized image module.";\r
 112 \r
 113                 flash::init();            \r
 114                 CASPAR_LOG(info) << L"Initialized flash module.";\r
 115 \r
 116                 setup_channels(env::properties());\r
 117                 CASPAR_LOG(info) << L"Initialized channels.";\r
 118 \r
 119                 setup_controllers(env::properties());\r
 120                 CASPAR_LOG(info) << L"Initialized controllers.";\r
 121         }\r
 122 \r
 123         ~impl()\r
 124         {               \r
 125                 image::uninit();\r
 126                 ffmpeg::uninit();\r
 127 \r
 128                 async_servers_.clear();\r
 129                 channels_.clear();\r
 130         }\r
 131                                 \r
 132         void setup_channels(const boost::property_tree::wptree& pt)\r
 133         {   \r
 134                 using boost::property_tree::wptree;\r
 135                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))\r
 136                 {               \r
 137                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));            \r
 138                         if(format_desc.format == video_format::invalid)\r
 139                                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));\r
 140                         \r
 141                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accel_factory_->create_image_mixer());\r
 142                         \r
 143                         BOOST_FOREACH(auto& xml_consumer, xml_channel.second.get_child(L"consumers"))\r
 144                         {\r
 145                                 try\r
 146                                 {\r
 147                                         auto name = xml_consumer.first;\r
 148                                         if(name == L"screen")\r
 149                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second));                                    \r
 150                                         else if(name == L"bluefish")                                    \r
 151                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));                                  \r
 152                                         else if(name == L"decklink")                                    \r
 153                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));                          \r
 154                                         else if(name == L"file")                                        \r
 155                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));                                            \r
 156                                         else if(name == L"system-audio")\r
 157                                                 channel->output().add(oal::create_consumer());          \r
 158                                         else if(name != L"<xmlcomment>")\r
 159                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;    \r
 160                                 }\r
 161                                 catch(...)\r
 162                                 {\r
 163                                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 164                                 }\r
 165                         }               \r
 166 \r
 167                     channel->subscribe(monitor::observable::observer_ptr(event_subject_));\r
 168                         channels_.push_back(channel);\r
 169                 }\r
 170 \r
 171                 // Dummy diagnostics channel\r
 172                 if(env::properties().get(L"configuration.channel-grid", false))\r
 173                         channels_.push_back(spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), core::video_format_desc(core::video_format::x576p2500), accel_factory_->create_image_mixer()));\r
 174         }\r
 175                 \r
 176         void setup_controllers(const boost::property_tree::wptree& pt)\r
 177         {               \r
 178                 using boost::property_tree::wptree;\r
 179                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))\r
 180                 {\r
 181                         try\r
 182                         {\r
 183                                 auto name = xml_controller.first;\r
 184                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");   \r
 185 \r
 186                                 if(name == L"tcp")\r
 187                                 {                                       \r
 188                                         unsigned int port = xml_controller.second.get(L"port", 5250);\r
 189                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);\r
 190                                         asyncbootstrapper->Start();\r
 191                                         async_servers_.push_back(asyncbootstrapper);\r
 192                                 }\r
 193                                 else\r
 194                                         CASPAR_LOG(warning) << "Invalid controller: " << name;  \r
 195                         }\r
 196                         catch(...)\r
 197                         {\r
 198                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 199                         }\r
 200                 }\r
 201         }\r
 202 \r
 203         spl::shared_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const\r
 204         {\r
 205                 if(boost::iequals(name, L"AMCP"))\r
 206                         return spl::make_shared<amcp::AMCPProtocolStrategy>(channels_);\r
 207                 else if(boost::iequals(name, L"CII"))\r
 208                         return spl::make_shared<cii::CIIProtocolStrategy>(channels_);\r
 209                 else if(boost::iequals(name, L"CLOCK"))\r
 210                         return spl::make_shared<CLK::CLKProtocolStrategy>(channels_);\r
 211                 \r
 212                 BOOST_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));\r
 213         }\r
 214 };\r
 215 \r
 216 server::server() : impl_(new impl()){}\r
 217 \r
 218 const std::vector<spl::shared_ptr<video_channel>> server::get_channels() const\r
 219 {\r
 220         return impl_->channels_;\r
 221 }\r
 222 void server::subscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_->subscribe(o);}\r
 223 void server::unsubscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_->unsubscribe(o);}\r
 224 \r
 225 }