2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG.
\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
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
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
23 #include "frame_producer.h"
\r
25 #include <common/memory/safe_ptr.h>
\r
26 #include <common/concurrency/target.h>
\r
27 #include <common/diagnostics/graph.h>
\r
29 #include <boost/noncopyable.hpp>
\r
31 namespace caspar { namespace core {
\r
33 struct video_format_desc;
\r
34 struct layer_status;
\r
36 class stage : boost::noncopyable
\r
39 typedef target<std::pair<std::map<int, safe_ptr<basic_frame>>, std::shared_ptr<void>>> target_t;
\r
41 explicit stage(const safe_ptr<diagnostics::graph>& graph, const safe_ptr<target_t>& target, const video_format_desc& format_desc);
\r
47 void swap(stage& other);
\r
49 void load(int index, const safe_ptr<frame_producer>& producer, bool preview = false, int auto_play_delta = -1);
\r
50 void pause(int index);
\r
51 void play(int index);
\r
52 void stop(int index);
\r
53 void clear(int index);
\r
55 boost::unique_future<std::wstring> call(int index, bool foreground, const std::wstring& param);
\r
56 void swap_layer(int index, size_t other_index);
\r
57 void swap_layer(int index, size_t other_index, stage& other);
\r
59 layer_status get_status(int index);
\r
60 safe_ptr<frame_producer> foreground(size_t index);
\r
61 safe_ptr<frame_producer> background(size_t index);
\r
63 void set_video_format_desc(const video_format_desc& format_desc);
\r
66 struct implementation;
\r
67 safe_ptr<implementation> impl_;
\r