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/*
Copyright (C) 2020 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/ratio.h"
#include "lib/video_content.h"
#include "test.h"
#include <boost/test/unit_test.hpp>
static dcp::Size const FOUR_TO_THREE(1436, 1080);
static dcp::Size const FLAT(1998, 1080);
static dcp::Size const SCOPE(2048, 858);
/* Test VideoContent::scaled_size() without any legacy stuff */
BOOST_AUTO_TEST_CASE (scaled_size_test1)
{
VideoContent vc (0);
/* Images at full size and in DCP-approved sizes that will not be scaled */
// Flat/scope content into flat/scope container
vc._size = FLAT;
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FLAT);
vc._size = SCOPE;
BOOST_CHECK_EQUAL (vc.scaled_size(SCOPE), SCOPE);
// 1.33:1 into flat container
vc._size = FOUR_TO_THREE;
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(FOUR_TO_THREE));
// Scope into flat container
vc._size = SCOPE;
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 837));
/* Smaller images but in the same ratios */
vc._size = dcp::Size(185, 100);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FLAT);
vc._size = dcp::Size(955, 400);
BOOST_CHECK_EQUAL (vc.scaled_size(SCOPE), SCOPE);
// 1.33:1 into flat container
vc._size = dcp::Size(133, 100);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(FOUR_TO_THREE));
// Scope into flat container
vc._size = dcp::Size(239, 100);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 836));
/* Images at full size that are not DCP-approved but will still remain unscaled */
vc._size = dcp::Size(600, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(600, 1080));
vc._size = dcp::Size(1700, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1700, 1080));
/* Image at full size that is too big for the container and will be shrunk */
vc._size = dcp::Size(3000, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 719));
}
/* Same as scaled_size_test1 but with a non-unity sample aspect ratio */
BOOST_AUTO_TEST_CASE (scaled_size_test2)
{
VideoContent vc (0);
vc._sample_aspect_ratio = 2;
/* Images at full size and in DCP-approved sizes that will not be scaled */
// Flat/scope content into flat/scope container
vc._size = dcp::Size (1998 / 2, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FLAT);
vc._size = dcp::Size (2048 / 2, 858);
BOOST_CHECK_EQUAL (vc.scaled_size(SCOPE), SCOPE);
// 1.33:1 into flat container
vc._size = dcp::Size (1436 / 2, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(FOUR_TO_THREE));
// Scope into flat container
vc._size = dcp::Size (2048 / 2, 858);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 837));
/* Smaller images but in the same ratios */
vc._size = dcp::Size(185, 200);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FLAT);
vc._size = dcp::Size(955, 800);
BOOST_CHECK_EQUAL (vc.scaled_size(SCOPE), SCOPE);
// 4:3 into flat container
vc._size = dcp::Size(133, 200);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(FOUR_TO_THREE));
// Scope into flat container
vc._size = dcp::Size(239, 200);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 836));
/* Images at full size that are not DCP-approved but will still remain unscaled */
vc._size = dcp::Size(600 / 2, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(600, 1080));
vc._size = dcp::Size(1700 / 2, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1700, 1080));
/* Image at full size that is too big for the container and will be shrunk */
vc._size = dcp::Size(3000 / 2, 1080);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(1998, 719));
}
/* Test VideoContent::scaled_size() with some legacy stuff */
BOOST_AUTO_TEST_CASE (scaled_size_legacy_test)
{
{
/* 640x480 content that the user had asked to be stretched to 1.85:1 */
VideoContent vc (0);
vc._size = dcp::Size(640, 480);
vc._legacy_ratio = Ratio::from_id("185")->ratio();
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FLAT);
}
{
/* 640x480 content that the user had asked to be scaled to fit the container, without stretch */
VideoContent vc (0);
vc._size = dcp::Size(640, 480);
vc._legacy_ratio = 1.33;
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), FOUR_TO_THREE);
}
{
/* 640x480 content that the user had asked to be kept the same size */
VideoContent vc (0);
vc._size = dcp::Size(640, 480);
vc._custom_size = dcp::Size(640, 480);
BOOST_CHECK_EQUAL (vc.scaled_size(FLAT), dcp::Size(640, 480));
}
}
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