git.sesse.net Git - casparcg/blob - modules/flash/producer/cg_proxy.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
  22 #include "../StdAfx.h"
  23
  24 #include "cg_proxy.h"
  25
  26 #include "flash_producer.h"
  27
  28 #include <common/env.h>
  29
  30 #include <core/mixer/mixer.h>
  31 #include <core/diagnostics/call_context.h>
  32
  33 #include <boost/filesystem.hpp>
  34 #include <boost/format.hpp>
  35 #include <boost/algorithm/string.hpp>
  36 #include <boost/regex.hpp>
  37 #include <boost/property_tree/ptree.hpp>
  38
  39 #include <future>
  40
  41 namespace caspar { namespace flash {
  42
  43 struct cg_proxy::impl : boost::noncopyable
  44 {
  45         spl::shared_ptr<core::frame_producer> flash_producer_;
  46 public:
  47         impl(const spl::shared_ptr<core::frame_producer>& frame_producer)
  48                 : flash_producer_(frame_producer)
  49         {}
  50
  51         std::future<std::wstring> add(int layer, std::wstring filename,  bool play_on_load, const std::wstring& label, const std::wstring& data)
  52         {
  53                 if(filename.size() > 0 && filename[0] == L'/')
  54                         filename = filename.substr(1, filename.size()-1);
  55
  56                 if(boost::filesystem::wpath(filename).extension() == L"")
  57                         filename += L".ft";
  58
  59                 auto str = (boost::wformat(L"<invoke name=\"Add\" returntype=\"xml\"><arguments><number>%1%</number><string>%2%</string>%3%<string>%4%</string><string><![CDATA[%5%]]></string></arguments></invoke>") % layer % filename % (play_on_load?L"<true/>":L"<false/>") % label % data).str();
  60                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking add-command: " << str;
  61                 std::vector<std::wstring> params;
  62                 params.push_back(std::move(str));
  63                 return flash_producer_->call(std::move(params));
  64         }
  65
  66         std::future<std::wstring> remove(int layer)
  67         {
  68                 auto str = (boost::wformat(L"<invoke name=\"Delete\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
  69                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking remove-command: " << str;
  70                 std::vector<std::wstring> params;
  71                 params.push_back(std::move(str));
  72                 return flash_producer_->call(std::move(params));
  73         }
  74
  75         std::future<std::wstring> play(int layer)
  76         {
  77                 auto str = (boost::wformat(L"<invoke name=\"Play\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
  78                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking play-command: " << str;
  79                 std::vector<std::wstring> params;
  80                 params.push_back(std::move(str));
  81                 return flash_producer_->call(std::move(params));
  82         }
  83
  84         std::future<std::wstring> stop(int layer, unsigned int)
  85         {
  86                 auto str = (boost::wformat(L"<invoke name=\"Stop\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><number>0</number></arguments></invoke>") % layer).str();
  87                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking stop-command: " << str;
  88                 std::vector<std::wstring> params;
  89                 params.push_back(std::move(str));
  90                 return flash_producer_->call(std::move(params));
  91         }
  92
  93         std::future<std::wstring> next(int layer)
  94         {
  95                 auto str = (boost::wformat(L"<invoke name=\"Next\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
  96                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking next-command: " << str;
  97                 std::vector<std::wstring> params;
  98                 params.push_back(std::move(str));
  99                 return flash_producer_->call(std::move(params));
 100         }
 101
 102         std::future<std::wstring> update(int layer, const std::wstring& data)
 103         {
 104                 auto str = (boost::wformat(L"<invoke name=\"SetData\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><string><![CDATA[%2%]]></string></arguments></invoke>") % layer % data).str();
 105                 CASPAR_LOG(info) << flash_producer_->print() <<" Invoking update-command: " << str;
 106                 std::vector<std::wstring> params;
 107                 params.push_back(std::move(str));
 108                 return flash_producer_->call(std::move(params));
 109         }
 110
 111         std::future<std::wstring> invoke(int layer, const std::wstring& label)
 112         {
 113                 auto str = (boost::wformat(L"<invoke name=\"Invoke\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><string>%2%</string></arguments></invoke>") % layer % label).str();
 114                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking invoke-command: " << str;
 115                 std::vector<std::wstring> params;
 116                 params.push_back(std::move(str));
 117                 return flash_producer_->call(std::move(params));
 118         }
 119
 120         std::future<std::wstring> description(int layer)
 121         {
 122                 auto str = (boost::wformat(L"<invoke name=\"GetDescription\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
 123                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking description-command: " << str;
 124                 std::vector<std::wstring> params;
 125                 params.push_back(std::move(str));
 126                 return flash_producer_->call(std::move(params));
 127         }
 128
 129         std::future<std::wstring> template_host_info()
 130         {
 131                 auto str = (boost::wformat(L"<invoke name=\"GetInfo\" returntype=\"xml\"><arguments></arguments></invoke>")).str();
 132                 CASPAR_LOG(info) << flash_producer_->print() << " Invoking info-command: " << str;
 133                 std::vector<std::wstring> params;
 134                 params.push_back(std::move(str));
 135                 return flash_producer_->call(std::move(params));
 136         }
 137
 138         std::wstring timed_invoke(int layer, const std::wstring& label)
 139         {
 140                 auto result = invoke(layer, label);
 141                 // TODO: because of std::async deferred timed waiting does not work
 142                 //if (result.wait_for(std::chrono::seconds(2)) != std::future_status::timeout)
 143                         return result.get();
 144                 //return L"";
 145         }
 146         std::wstring timed_description(int layer)
 147         {
 148                 auto result = description(layer);
 149                 // TODO: because of std::async deferred timed waiting does not work
 150                 //if (result.wait_for(std::chrono::seconds(2)) != std::future_status::timeout)
 151                         return result.get();
 152                 //return L"";
 153         }
 154         std::wstring timed_template_host_info()
 155         {
 156                 auto result = template_host_info();
 157                 // TODO: because of std::async deferred timed waiting does not work
 158                 //if (result.wait_for(std::chrono::seconds(2)) != std::future_status::timeout)
 159                         return result.get();
 160                 //return L"";
 161         }
 162
 163         core::monitor::subject& monitor_output()
 164         {
 165                 return flash_producer_->monitor_output();
 166         }
 167 };
 168
 169 cg_proxy create_cg_proxy(const spl::shared_ptr<core::video_channel>& video_channel, int render_layer)
 170 {
 171         auto flash_producer = spl::make_shared_ptr(video_channel->stage().foreground(render_layer).get());
 172
 173         try
 174         {
 175                 if(flash_producer->name() != L"flash")
 176                 {
 177                         core::diagnostics::scoped_call_context save;
 178                         core::diagnostics::call_context::for_thread().video_channel = video_channel->index();
 179                         core::diagnostics::call_context::for_thread().layer = render_layer;
 180
 181                         flash_producer = flash::create_producer(video_channel->frame_factory(), video_channel->video_format_desc(), {});
 182                         video_channel->stage().load(render_layer, flash_producer);
 183                         video_channel->stage().play(render_layer);
 184                 }
 185         }
 186         catch(...)
 187         {
 188                 CASPAR_LOG_CURRENT_EXCEPTION();
 189                 throw;
 190         }
 191
 192         return cg_proxy(std::move(flash_producer));
 193 }
 194
 195 spl::shared_ptr<core::frame_producer> create_cg_producer_and_autoplay_file(
 196                 const spl::shared_ptr<core::frame_factory> frame_factory,
 197                 const core::video_format_desc& format_desc,
 198                 const std::vector<std::wstring>& params,
 199                 const std::wstring& filename)
 200 {
 201         if(!boost::filesystem::exists(filename))
 202                 return core::frame_producer::empty();
 203
 204         boost::filesystem::path path(filename);
 205         path = boost::filesystem::complete(path);
 206         auto filename2 = path.wstring();
 207
 208         auto flash_producer = flash::create_producer(frame_factory, format_desc, {});
 209         auto producer = flash_producer;
 210         cg_proxy(producer).add(0, filename2, 1);
 211
 212         return producer;
 213 }
 214
 215 spl::shared_ptr<core::frame_producer> create_ct_producer(const spl::shared_ptr<core::frame_factory> frame_factory, const core::video_format_desc& format_desc, const std::vector<std::wstring>& params)
 216 {
 217         return create_cg_producer_and_autoplay_file(
 218                 frame_factory, format_desc, params, env::media_folder() + L"\\" + params[0] + L".ct");
 219 }
 220
 221 cg_proxy::cg_proxy(const spl::shared_ptr<core::frame_producer>& frame_producer) : impl_(new impl(frame_producer)){}
 222 cg_proxy::cg_proxy(cg_proxy&& other) : impl_(std::move(other.impl_)){}
 223 void cg_proxy::add(int layer, const std::wstring& template_name,  bool play_on_load, const std::wstring& startFromLabel, const std::wstring& data){impl_->add(layer, template_name, play_on_load, startFromLabel, data);}
 224 void cg_proxy::remove(int layer){impl_->remove(layer);}
 225 void cg_proxy::play(int layer){impl_->play(layer);}
 226 void cg_proxy::stop(int layer, unsigned int mix_out_duration){impl_->stop(layer, mix_out_duration);}
 227 void cg_proxy::next(int layer){impl_->next(layer);}
 228 void cg_proxy::update(int layer, const std::wstring& data){impl_->update(layer, data);}
 229 std::wstring cg_proxy::invoke(int layer, const std::wstring& label){return impl_->timed_invoke(layer, label);}
 230 std::wstring cg_proxy::description(int layer){return impl_->timed_description(layer);}
 231 std::wstring cg_proxy::template_host_info(){return impl_->timed_template_host_info();}
 232 core::monitor::subject& cg_proxy::monitor_output(){return impl_->monitor_output();}
 233
 234 }}