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/*
Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "video_ring_buffers.h"
#include "player_video.h"
#include "compose.hpp"
#include <list>
#include <iostream>
using std::list;
using std::make_pair;
using std::cout;
using std::pair;
using std::string;
using std::shared_ptr;
using boost::optional;
using namespace dcpomatic;
void
VideoRingBuffers::put (shared_ptr<PlayerVideo> frame, DCPTime time)
{
boost::mutex::scoped_lock lm (_mutex);
_data.push_back (make_pair(frame, time));
}
pair<shared_ptr<PlayerVideo>, DCPTime>
VideoRingBuffers::get ()
{
boost::mutex::scoped_lock lm (_mutex);
if (_data.empty ()) {
return {};
}
auto const r = _data.front();
_data.pop_front ();
return r;
}
Frame
VideoRingBuffers::size () const
{
boost::mutex::scoped_lock lm (_mutex);
return _data.size ();
}
bool
VideoRingBuffers::empty () const
{
boost::mutex::scoped_lock lm (_mutex);
return _data.empty ();
}
void
VideoRingBuffers::clear ()
{
boost::mutex::scoped_lock lm (_mutex);
_data.clear ();
}
pair<size_t, string>
VideoRingBuffers::memory_used () const
{
boost::mutex::scoped_lock lm (_mutex);
size_t m = 0;
for (auto const& i: _data) {
m += i.first->memory_used();
}
return make_pair(m, String::compose("%1 frames", _data.size()));
}
void
VideoRingBuffers::reset_metadata (shared_ptr<const Film> film)
{
boost::mutex::scoped_lock lm (_mutex);
for (auto const& i: _data) {
i.first->reset_metadata(film);
}
}
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