]> git.sesse.net Git - casparcg/blob - shell/server.cpp
Reduced the coupling between specific modules and InfoCommand, VersionCommand and...
[casparcg] / 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
33 #include <core/video_channel.h>
34 #include <core/video_format.h>
35 #include <core/producer/stage.h>
36 #include <core/producer/frame_producer.h>
37 #include <core/producer/scene/scene_producer.h>
38 #include <core/producer/scene/xml_scene_producer.h>
39 #include <core/producer/text/text_producer.h>
40 #include <core/consumer/output.h>
41 #include <core/thumbnail_generator.h>
42 #include <core/producer/media_info/media_info.h>
43 #include <core/producer/media_info/media_info_repository.h>
44 #include <core/producer/media_info/in_memory_media_info_repository.h>
45 #include <core/diagnostics/subject_diagnostics.h>
46 #include <core/diagnostics/call_context.h>
47 #include <core/diagnostics/osd_graph.h>
48 #include <core/system_info_provider.h>
49
50 #include <modules/bluefish/bluefish.h>
51 #include <modules/decklink/decklink.h>
52 #include <modules/ffmpeg/ffmpeg.h>
53 #include <modules/flash/flash.h>
54 #include <modules/oal/oal.h>
55 #include <modules/screen/screen.h>
56 #include <modules/image/image.h>
57 #include <modules/image/consumer/image_consumer.h>
58 #include <modules/psd/psd_scene_producer.h>
59
60 #include <modules/oal/consumer/oal_consumer.h>
61 #include <modules/bluefish/consumer/bluefish_consumer.h>
62 #include <modules/decklink/consumer/decklink_consumer.h>
63 #include <modules/screen/consumer/screen_consumer.h>
64 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
65
66 #include <protocol/asio/io_service_manager.h>
67 #include <protocol/amcp/AMCPProtocolStrategy.h>
68 #include <protocol/cii/CIIProtocolStrategy.h>
69 #include <protocol/clk/CLKProtocolStrategy.h>
70 #include <protocol/util/AsyncEventServer.h>
71 #include <protocol/util/strategy_adapters.h>
72 #include <protocol/osc/client.h>
73
74 #include <boost/algorithm/string.hpp>
75 #include <boost/thread.hpp>
76 #include <boost/lexical_cast.hpp>
77 #include <boost/property_tree/ptree.hpp>
78 #include <boost/property_tree/xml_parser.hpp>
79
80 #include <tbb/atomic.h>
81
82 #include <future>
83
84 namespace caspar {
85
86 using namespace core;
87 using namespace protocol;
88
89 struct server::impl : boost::noncopyable
90 {
91         protocol::asio::io_service_manager                                      io_service_manager_;
92         spl::shared_ptr<monitor::subject>                                       monitor_subject_;
93         spl::shared_ptr<monitor::subject>                                       diag_subject_                                   = core::diagnostics::get_or_create_subject();
94         accelerator::accelerator                                                        accelerator_;
95         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_;
96         std::shared_ptr<IO::AsyncEventServer>                           primary_amcp_server_;
97         osc::client                                                                                     osc_client_;
98         std::vector<std::shared_ptr<void>>                                      predefined_osc_subscriptions_;
99         std::vector<spl::shared_ptr<video_channel>>                     channels_;
100         spl::shared_ptr<media_info_repository>                          media_info_repo_;
101         boost::thread                                                                           initial_media_info_thread_;
102         spl::shared_ptr<system_info_provider_repository>        system_info_provider_repo_;
103         tbb::atomic<bool>                                                                       running_;
104         std::shared_ptr<thumbnail_generator>                            thumbnail_generator_;
105         std::promise<bool>&                                                                     shutdown_server_now_;
106
107         explicit impl(std::promise<bool>& shutdown_server_now)          
108                 : accelerator_(env::properties().get(L"configuration.accelerator", L"auto"))
109                 , osc_client_(io_service_manager_.service())
110                 , media_info_repo_(create_in_memory_media_info_repository())
111                 , shutdown_server_now_(shutdown_server_now)
112         {
113                 running_ = false;
114                 core::diagnostics::osd::register_sink();
115                 diag_subject_->attach_parent(monitor_subject_);
116
117                 ffmpeg::init(media_info_repo_, system_info_provider_repo_);
118                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
119                                                           
120                 bluefish::init(system_info_provider_repo_);
121                 CASPAR_LOG(info) << L"Initialized bluefish module.";
122                                                           
123                 decklink::init(system_info_provider_repo_);       
124                 CASPAR_LOG(info) << L"Initialized decklink module.";
125                                                                                                                   
126                 oal::init();              
127                 CASPAR_LOG(info) << L"Initialized oal module.";
128                                                           
129                 screen::init();           
130                 CASPAR_LOG(info) << L"Initialized ogl module.";
131
132                 image::init(media_info_repo_, system_info_provider_repo_);
133                 CASPAR_LOG(info) << L"Initialized image module.";
134
135                 flash::init(media_info_repo_, system_info_provider_repo_);
136                 CASPAR_LOG(info) << L"Initialized flash module.";
137
138                 psd::init();              
139                 CASPAR_LOG(info) << L"Initialized psd module.";
140
141                 core::text::init();
142
143                 register_producer_factory(&core::scene::create_dummy_scene_producer);
144                 register_producer_factory(&core::scene::create_xml_scene_producer);
145         }
146
147         void start()
148         {
149                 running_ = true;
150
151                 setup_channels(env::properties());
152                 CASPAR_LOG(info) << L"Initialized channels.";
153
154                 setup_thumbnail_generation(env::properties());
155                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
156
157                 setup_controllers(env::properties());
158                 CASPAR_LOG(info) << L"Initialized controllers.";
159
160                 setup_osc(env::properties());
161                 CASPAR_LOG(info) << L"Initialized osc.";
162
163                 start_initial_media_info_scan();
164                 CASPAR_LOG(info) << L"Started initial media information retrieval.";
165         }
166
167         ~impl()
168         {
169                 if (running_)
170                 {
171                         running_ = false;
172                         initial_media_info_thread_.join();
173                 }
174
175                 thumbnail_generator_.reset();
176                 primary_amcp_server_.reset();
177                 async_servers_.clear();
178                 channels_.clear();
179
180                 boost::this_thread::sleep(boost::posix_time::milliseconds(500));
181                 //Sleep(500); // HACK: Wait for asynchronous destruction of producers and consumers.
182
183                 image::uninit();
184                 ffmpeg::uninit();
185                 core::diagnostics::osd::shutdown();
186         }
187                                 
188         void setup_channels(const boost::property_tree::wptree& pt)
189         {   
190                 using boost::property_tree::wptree;
191                 for (auto& xml_channel : pt.get_child(L"configuration.channels"))
192                 {               
193                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));            
194                         if(format_desc.format == video_format::invalid)
195                                 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
196                         
197                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accelerator_.create_image_mixer());
198
199                         core::diagnostics::scoped_call_context save;
200                         core::diagnostics::call_context::for_thread().video_channel = channel->index();
201                         
202                         for (auto& xml_consumer : xml_channel.second.get_child(L"consumers"))
203                         {
204                                 try
205                                 {
206                                         auto name = xml_consumer.first;
207                                         if(name == L"screen")
208                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second, &channel->stage()));                                 
209                                         else if(name == L"bluefish")                                    
210                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));                                  
211                                         else if(name == L"decklink")                                    
212                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));                          
213                                         else if(name == L"file")                                        
214                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));                                            
215                                         else if(name == L"system-audio")
216                                                 channel->output().add(oal::create_consumer());          
217                                         else if(name != L"<xmlcomment>")
218                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;    
219                                 }
220                                 catch(...)
221                                 {
222                                         CASPAR_LOG_CURRENT_EXCEPTION();
223                                 }
224                         }               
225
226                     channel->monitor_output().attach_parent(monitor_subject_);
227                         channels_.push_back(channel);
228                 }
229
230                 // Dummy diagnostics channel
231                 if(env::properties().get(L"configuration.channel-grid", false))
232                         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()));
233         }
234
235         void setup_osc(const boost::property_tree::wptree& pt)
236         {               
237                 using boost::property_tree::wptree;
238                 using namespace boost::asio::ip;
239
240                 monitor_subject_->attach_parent(osc_client_.sink());
241                 
242                 auto default_port =
243                                 pt.get<unsigned short>(L"configuration.osc.default-port", 6250);
244                 auto predefined_clients =
245                                 pt.get_child_optional(L"configuration.osc.predefined-clients");
246
247                 if (predefined_clients)
248                 {
249                         for (auto& predefined_client : *predefined_clients)
250                         {
251                                 const auto address =
252                                                 predefined_client.second.get<std::wstring>(L"address");
253                                 const auto port =
254                                                 predefined_client.second.get<unsigned short>(L"port");
255                                 predefined_osc_subscriptions_.push_back(
256                                                 osc_client_.get_subscription_token(udp::endpoint(
257                                                                 address_v4::from_string(u8(address)),
258                                                                 port)));
259                         }
260                 }
261
262                 if (primary_amcp_server_)
263                         primary_amcp_server_->add_client_lifecycle_object_factory(
264                                         [=] (const std::string& ipv4_address)
265                                                         -> std::pair<std::wstring, std::shared_ptr<void>>
266                                         {
267                                                 using namespace boost::asio::ip;
268
269                                                 return std::make_pair(
270                                                                 std::wstring(L"osc_subscribe"),
271                                                                 osc_client_.get_subscription_token(
272                                                                                 udp::endpoint(
273                                                                                                 address_v4::from_string(
274                                                                                                                 ipv4_address),
275                                                                                                 default_port)));
276                                         });
277         }
278
279         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)
280         {
281                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))
282                         return;
283
284                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);
285
286                 polling_filesystem_monitor_factory monitor_factory(scan_interval_millis);
287                 thumbnail_generator_.reset(new thumbnail_generator(
288                         monitor_factory, 
289                         env::media_folder(),
290                         env::thumbnails_folder(),
291                         pt.get(L"configuration.thumbnails.width", 256),
292                         pt.get(L"configuration.thumbnails.height", 144),
293                         core::video_format_desc(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),
294                         accelerator_.create_image_mixer(),
295                         pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),
296                         &image::write_cropped_png,
297                         media_info_repo_));
298
299                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
300         }
301                 
302         void setup_controllers(const boost::property_tree::wptree& pt)
303         {               
304                 using boost::property_tree::wptree;
305                 for (auto& xml_controller : pt.get_child(L"configuration.controllers"))
306                 {
307                         try
308                         {
309                                 auto name = xml_controller.first;
310                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");   
311
312                                 if(name == L"tcp")
313                                 {                                       
314                                         unsigned int port = xml_controller.second.get(L"port", 5250);
315                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);
316                                         async_servers_.push_back(asyncbootstrapper);
317
318                                         if (!primary_amcp_server_ && boost::iequals(protocol, L"AMCP"))
319                                                 primary_amcp_server_ = asyncbootstrapper;
320                                 }
321                                 else
322                                         CASPAR_LOG(warning) << "Invalid controller: " << name;  
323                         }
324                         catch(...)
325                         {
326                                 CASPAR_LOG_CURRENT_EXCEPTION();
327                         }
328                 }
329         }
330
331         IO::protocol_strategy_factory<char>::ptr create_protocol(const std::wstring& name) const
332         {
333                 using namespace IO;
334
335                 if(boost::iequals(name, L"AMCP"))
336                         return wrap_legacy_protocol("\r\n", spl::make_shared<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, media_info_repo_, system_info_provider_repo_, shutdown_server_now_));
337                 else if(boost::iequals(name, L"CII"))
338                         return wrap_legacy_protocol("\r\n", spl::make_shared<cii::CIIProtocolStrategy>(channels_));
339                 else if(boost::iequals(name, L"CLOCK"))
340                         return spl::make_shared<to_unicode_adapter_factory>(
341                                         "ISO-8859-1",
342                                         spl::make_shared<CLK::clk_protocol_strategy_factory>(channels_));
343                 
344                 CASPAR_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));
345         }
346
347         void start_initial_media_info_scan()
348         {
349                 initial_media_info_thread_ = boost::thread([this]
350                 {
351                         for (boost::filesystem::wrecursive_directory_iterator iter(env::media_folder()), end; iter != end; ++iter)
352                         {
353                                 if (running_)
354                                 {
355                                         if (boost::filesystem::is_regular_file(iter->path()))
356                                                 media_info_repo_->get(iter->path().wstring());
357                                 }
358                                 else
359                                 {
360                                         CASPAR_LOG(info) << L"Initial media information retrieval aborted.";
361                                         return;
362                                 }
363                         }
364
365                         CASPAR_LOG(info) << L"Initial media information retrieval finished.";
366                 });
367         }
368 };
369
370 server::server(std::promise<bool>& shutdown_server_now) : impl_(new impl(shutdown_server_now)){}
371 void server::start() { impl_->start(); }
372 const std::vector<spl::shared_ptr<video_channel>> server::channels() const
373 {
374         return impl_->channels_;
375 }
376 std::shared_ptr<core::thumbnail_generator> server::get_thumbnail_generator() const {return impl_->thumbnail_generator_; }
377 spl::shared_ptr<media_info_repository> server::get_media_info_repo() const { return impl_->media_info_repo_; }
378 spl::shared_ptr<core::system_info_provider_repository> server::get_system_info_provider_repo() const { return impl_->system_info_provider_repo_; }
379 core::monitor::subject& server::monitor_output() { return *impl_->monitor_subject_; }
380
381 }