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/*
Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cpl.h"
#include "reel_mono_picture_asset.h"
#include "mono_picture_asset.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/test/unit_test.hpp>
using std::string;
using boost::shared_ptr;
static void
check (shared_ptr<dcp::ReelMonoPictureAsset> pa, dcp::Fraction far, string sar)
{
pa->set_screen_aspect_ratio (far);
xmlpp::Document doc;
xmlpp::Element* el = doc.create_root_node ("Test");
pa->write_to_cpl (el, dcp::INTEROP);
cxml::Node node (el);
BOOST_CHECK_EQUAL (node.node_child("MainPicture")->string_child ("ScreenAspectRatio"), sar);
}
/** Test for a reported bug where <ScreenAspectRatio> in Interop files uses
* excessive decimal places and (sometimes) the wrong decimal point character.
* Also check that we correctly use one of the allowed <ScreenAspectRatio>
* values with Interop.
*/
BOOST_AUTO_TEST_CASE (cpl_sar)
{
shared_ptr<dcp::ReelMonoPictureAsset> pa (
new dcp::ReelMonoPictureAsset (
shared_ptr<dcp::MonoPictureAsset> (new dcp::MonoPictureAsset ("test/ref/DCP/dcp_test1/video.mxf")),
0
)
);
/* Easy ones */
check (pa, dcp::Fraction (1998, 1080), "1.85");
check (pa, dcp::Fraction (2048, 858), "2.39");
/* Check the use of the allowed values */
/* Just less then, equal to and just more than 1.33 */
check (pa, dcp::Fraction (1200, 1000), "1.33");
check (pa, dcp::Fraction (1330, 1000), "1.33");
check (pa, dcp::Fraction (1430, 1000), "1.33");
/* Same for 1.66 */
check (pa, dcp::Fraction (1600, 1000), "1.66");
check (pa, dcp::Fraction (1660, 1000), "1.66");
check (pa, dcp::Fraction (1670, 1000), "1.66");
/* 1.77 */
check (pa, dcp::Fraction (1750, 1000), "1.77");
check (pa, dcp::Fraction (1770, 1000), "1.77");
check (pa, dcp::Fraction (1800, 1000), "1.77");
/* 1.85 */
check (pa, dcp::Fraction (1820, 1000), "1.85");
check (pa, dcp::Fraction (1850, 1000), "1.85");
check (pa, dcp::Fraction (1910, 1000), "1.85");
/* 2.00 */
check (pa, dcp::Fraction (1999, 1000), "2.00");
check (pa, dcp::Fraction (2000, 1000), "2.00");
check (pa, dcp::Fraction (2001, 1000), "2.00");
/* 2.39 */
check (pa, dcp::Fraction (2350, 1000), "2.39");
check (pa, dcp::Fraction (2390, 1000), "2.39");
check (pa, dcp::Fraction (2500, 1000), "2.39");
}
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