2 Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic 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 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic 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.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef DCPOMATIC_VIDEO_RING_BUFFERS_H
23 #define DCPOMATIC_VIDEO_RING_BUFFERS_H
26 #include "dcpomatic_time.h"
27 #include "player_video.h"
28 #include <boost/thread/mutex.hpp>
36 class VideoRingBuffers
39 VideoRingBuffers () {}
41 VideoRingBuffers (VideoRingBuffers const&) = delete;
42 VideoRingBuffers& operator= (VideoRingBuffers const&) = delete;
44 void put (std::shared_ptr<PlayerVideo> frame, dcpomatic::DCPTime time);
45 std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> get ();
51 void reset_metadata (std::shared_ptr<const Film> film, dcp::Size player_video_container_size);
53 std::pair<size_t, std::string> memory_used () const;
56 mutable boost::mutex _mutex;
57 std::list<std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime>> _data;