git.sesse.net Git - casparcg/blob - core/producer/scene/hotswap_producer.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: Helge Norberg, helge.norberg@svt.se
  20 */
  21
  22 #include "../../StdAfx.h"
  23
  24 #include "hotswap_producer.h"
  25
  26 #include "../frame_producer.h"
  27 #include "../../frame/draw_frame.h"
  28
  29 namespace caspar { namespace core {
  30
  31 struct hotswap_producer::impl
  32 {
  33         monitor::subject monitor_subject;
  34         binding<std::shared_ptr<frame_producer>> producer;
  35         constraints size;
  36
  37         impl(int width, int height)
  38                 : size(width, height)
  39         {
  40         }
  41 };
  42
  43 hotswap_producer::hotswap_producer(int width, int height)
  44         : impl_(new impl(width, height))
  45 {
  46 }
  47
  48 hotswap_producer::~hotswap_producer()
  49 {
  50 }
  51
  52 draw_frame hotswap_producer::receive_impl()
  53 {
  54         auto producer = impl_->producer.get();
  55
  56         if (producer)
  57                 return producer->receive();
  58         else
  59                 return draw_frame::empty();
  60 }
  61
  62 constraints& hotswap_producer::pixel_constraints()
  63 {
  64         return impl_->size;
  65 }
  66
  67 std::wstring hotswap_producer::print() const
  68 {
  69         auto producer = impl_->producer.get();
  70         return L"hotswap[" + (producer ? producer->print() : L"") + L"]";
  71 }
  72
  73 std::wstring hotswap_producer::name() const
  74 {
  75         return L"hotswap";
  76 }
  77
  78 boost::property_tree::wptree hotswap_producer::info() const
  79 {
  80         boost::property_tree::wptree info;
  81         info.add(L"type", L"hotswap");
  82
  83         auto producer = impl_->producer.get();
  84
  85         if (producer)
  86                 info.add(L"producer", producer->print());
  87
  88         return info;
  89 }
  90
  91 monitor::subject& hotswap_producer::monitor_output()
  92 {
  93         return impl_->monitor_subject;
  94 }
  95
  96 binding<std::shared_ptr<frame_producer>>& hotswap_producer::producer()
  97 {
  98         return impl_->producer;
  99 }
 100
 101 }}