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/*
Copyright (C) 2020-2021 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 "lib/content_video.h"
#include "lib/piece.h"
#include "lib/shuffler.h"
#include <boost/test/unit_test.hpp>
using std::list;
using std::make_shared;
using std::shared_ptr;
using std::weak_ptr;
using boost::optional;
#if BOOST_VERSION >= 106100
using namespace boost::placeholders;
#endif
static void
push (Shuffler& s, int frame, Eyes eyes)
{
auto piece = make_shared<Piece>(shared_ptr<Content>(), shared_ptr<Decoder>(), FrameRateChange(24, 24));
ContentVideo cv;
cv.frame = frame;
cv.eyes = eyes;
s.video (piece, cv);
}
list<ContentVideo> pending_cv;
static void
receive (weak_ptr<Piece>, ContentVideo cv)
{
pending_cv.push_back (cv);
}
static void
check (int frame, Eyes eyes, int line)
{
BOOST_REQUIRE_MESSAGE (!pending_cv.empty(), "Check at " << line << " failed.");
BOOST_CHECK_MESSAGE (pending_cv.front().frame == frame, "Check at " << line << " failed.");
BOOST_CHECK_MESSAGE (pending_cv.front().eyes == eyes, "Check at " << line << " failed.");
pending_cv.pop_front();
}
/** A perfect sequence */
BOOST_AUTO_TEST_CASE (shuffler_test1)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
for (int i = 0; i < 10; ++i) {
push (s, i, Eyes::LEFT);
push (s, i, Eyes::RIGHT);
check (i, Eyes::LEFT, __LINE__);
check (i, Eyes::RIGHT, __LINE__);
}
}
/** Everything present but some simple shuffling needed */
BOOST_AUTO_TEST_CASE (shuffler_test2)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
for (int i = 0; i < 10; i += 2) {
push (s, i, Eyes::LEFT);
push (s, i + 1, Eyes::LEFT);
push (s, i, Eyes::RIGHT);
push (s, i + 1, Eyes::RIGHT);
check (i, Eyes::LEFT, __LINE__);
check (i, Eyes::RIGHT, __LINE__);
check (i + 1, Eyes::LEFT, __LINE__);
check (i + 1, Eyes::RIGHT, __LINE__);
}
}
/** One missing left eye image */
BOOST_AUTO_TEST_CASE (shuffler_test3)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
push (s, 0, Eyes::LEFT);
check (0, Eyes::LEFT, __LINE__);
push (s, 0, Eyes::RIGHT);
check (0, Eyes::RIGHT, __LINE__);
push (s, 1, Eyes::LEFT);
check (1, Eyes::LEFT, __LINE__);
push (s, 1, Eyes::RIGHT);
check (1, Eyes::RIGHT, __LINE__);
push (s, 2, Eyes::RIGHT);
push (s, 3, Eyes::LEFT);
push (s, 3, Eyes::RIGHT);
push (s, 4, Eyes::LEFT);
push (s, 4, Eyes::RIGHT);
s.flush ();
check (2, Eyes::RIGHT, __LINE__);
check (3, Eyes::LEFT, __LINE__);
check (3, Eyes::RIGHT, __LINE__);
check (4, Eyes::LEFT, __LINE__);
check (4, Eyes::RIGHT, __LINE__);
}
/** One missing right eye image */
BOOST_AUTO_TEST_CASE (shuffler_test4)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
push (s, 0, Eyes::LEFT);
check (0, Eyes::LEFT, __LINE__);
push (s, 0, Eyes::RIGHT);
check (0, Eyes::RIGHT, __LINE__);
push (s, 1, Eyes::LEFT);
check (1, Eyes::LEFT, __LINE__);
push (s, 1, Eyes::RIGHT);
check (1, Eyes::RIGHT, __LINE__);
push (s, 2, Eyes::LEFT);
push (s, 3, Eyes::LEFT);
push (s, 3, Eyes::RIGHT);
push (s, 4, Eyes::LEFT);
push (s, 4, Eyes::RIGHT);
s.flush ();
check (2, Eyes::LEFT, __LINE__);
check (3, Eyes::LEFT, __LINE__);
check (3, Eyes::RIGHT, __LINE__);
check (4, Eyes::LEFT, __LINE__);
check (4, Eyes::RIGHT, __LINE__);
}
/** Only one eye */
BOOST_AUTO_TEST_CASE (shuffler_test5)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
/* One left should come out straight away */
push (s, 0, Eyes::LEFT);
check (0, Eyes::LEFT, __LINE__);
/* More lefts should be kept in the shuffler in the hope that some rights arrive */
for (int i = 0; i < s._max_size; ++i) {
push (s, i + 1, Eyes::LEFT);
}
BOOST_CHECK (pending_cv.empty ());
/* If enough lefts come the shuffler should conclude that there's no rights and start
giving out the lefts.
*/
push (s, s._max_size + 1, Eyes::LEFT);
check (1, Eyes::LEFT, __LINE__);
}
/** One complete frame (L+R) missing.
Shuffler should carry on, skipping this frame, as the player will cope with it.
*/
BOOST_AUTO_TEST_CASE (shuffler_test6)
{
Shuffler s;
s.Video.connect (boost::bind (&receive, _1, _2));
push (s, 0, Eyes::LEFT);
check (0, Eyes::LEFT, __LINE__);
push (s, 0, Eyes::RIGHT);
check (0, Eyes::RIGHT, __LINE__);
push (s, 2, Eyes::LEFT);
push (s, 2, Eyes::RIGHT);
check (2, Eyes::LEFT, __LINE__);
check (2, Eyes::RIGHT, __LINE__);
push (s, 3, Eyes::LEFT);
check (3, Eyes::LEFT, __LINE__);
push (s, 3, Eyes::RIGHT);
check (3, Eyes::RIGHT, __LINE__);
}
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