git.sesse.net Git - casparcg/blob - core/video_channel.h

   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 \r
  22 #pragma once\r
  23 \r
  24 #include <common/spl/memory.h>\r
  25 #include <common/reactive.h>\r
  26 #include <common/forward.h>\r
  27 \r
  28 #include "monitor/monitor.h"\r
  29 \r
  30 #include <boost/property_tree/ptree_fwd.hpp>\r
  31 \r
  32 FORWARD3(caspar, core, ogl, class accelerator);\r
  33 FORWARD2(caspar, core, class stage);\r
  34 FORWARD2(caspar, core, class mixer);\r
  35 FORWARD2(caspar, core, class output);\r
  36 FORWARD2(caspar, core, class image_mixer);\r
  37 FORWARD2(caspar, core, struct video_format_desc);\r
  38 FORWARD2(caspar, core, class frame_factory);\r
  39 \r
  40 namespace caspar { namespace core {\r
  41         \r
  42 typedef reactive::observable<spl::shared_ptr<const class data_frame>>   frame_observable;\r
  43 \r
  44 class video_channel sealed : public frame_observable\r
  45                                                    , public monitor::observable\r
  46 {\r
  47         video_channel(const video_channel&);\r
  48         video_channel& operator=(const video_channel&);\r
  49 public:\r
  50 \r
  51         /// Static Members\r
  52 \r
  53         ///  Constructors\r
  54 \r
  55         explicit video_channel(int index, const video_format_desc& format_desc, spl::unique_ptr<image_mixer> image_mixer);\r
  56         \r
  57         /// Methods\r
  58 \r
  59         // observable<spl::shared_ptr<const class data_frame>>\r
  60         \r
  61         virtual void subscribe(const frame_observable::observer_ptr& o) override;\r
  62         virtual void unsubscribe(const frame_observable::observer_ptr& o) override;\r
  63                 \r
  64         // monitor::observable\r
  65 \r
  66         virtual void subscribe(const monitor::observable::observer_ptr& o) override;\r
  67         virtual void unsubscribe(const monitor::observable::observer_ptr& o) override;\r
  68 \r
  69         /// Properties\r
  70 \r
  71         const core::stage&                                       stage() const;\r
  72         core::stage&                                             stage();\r
  73         const core::mixer&                                       mixer() const;\r
  74         core::mixer&                                             mixer();\r
  75         const core::output&                                      output() const;\r
  76         core::output&                                            output();\r
  77                                                                                  \r
  78         core::video_format_desc                          video_format_desc() const;\r
  79         void                                                             video_format_desc(const core::video_format_desc& format_desc);\r
  80         \r
  81         spl::shared_ptr<core::frame_factory> frame_factory();\r
  82 \r
  83         boost::property_tree::wptree             info() const;\r
  84 private:\r
  85         struct impl;\r
  86         spl::shared_ptr<impl> impl_;\r
  87 };\r
  88 \r
  89 }}