2 Copyright (C) 2016-2017 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/>.
21 #include "video_ring_buffers.h"
22 #include "player_video.h"
23 #include "compose.hpp"
24 #include <boost/foreach.hpp>
33 using boost::shared_ptr;
34 using boost::optional;
37 VideoRingBuffers::put (shared_ptr<PlayerVideo> frame, DCPTime time)
39 boost::mutex::scoped_lock lm (_mutex);
40 _data.push_back (make_pair (frame, time));
43 pair<shared_ptr<PlayerVideo>, DCPTime>
44 VideoRingBuffers::get ()
46 boost::mutex::scoped_lock lm (_mutex);
48 return make_pair(shared_ptr<PlayerVideo>(), DCPTime());
50 pair<shared_ptr<PlayerVideo>, DCPTime> const r = _data.front ();
56 VideoRingBuffers::size () const
58 boost::mutex::scoped_lock lm (_mutex);
63 VideoRingBuffers::empty () const
65 boost::mutex::scoped_lock lm (_mutex);
66 return _data.empty ();
70 VideoRingBuffers::clear ()
72 boost::mutex::scoped_lock lm (_mutex);
77 VideoRingBuffers::memory_used () const
80 for (list<pair<shared_ptr<PlayerVideo>, DCPTime> >::const_iterator i = _data.begin(); i != _data.end(); ++i) {
81 m += i->first->memory_used();
83 return make_pair(m, String::compose("%1 frames", _data.size()));