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/*
Copyright (C) 2014-2021 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/>.
*/
/** @file test/burnt_subtitle_test.cc
* @brief Test the burning of subtitles into the DCP.
* @ingroup feature
*/
#include "lib/config.h"
#include "lib/content_factory.h"
#include "lib/dcp_content.h"
#include "lib/dcp_content_type.h"
#include "lib/film.h"
#include "lib/ffmpeg_film_encoder.h"
#include "lib/log_entry.h"
#include "lib/ratio.h"
#include "lib/text_content.h"
#include "test.h"
#include <dcp/dcp.h>
#include <dcp/cpl.h>
#include <dcp/reel.h>
#include <dcp/j2k_transcode.h>
#include <dcp/mono_j2k_picture_asset.h>
#include <dcp/mono_j2k_picture_asset_reader.h>
#include <dcp/mono_j2k_picture_frame.h>
#include <dcp/openjpeg_image.h>
#include <dcp/reel_picture_asset.h>
#include <dcp/reel_mono_picture_asset.h>
#include <pango/pango-utils.h>
#include <boost/test/unit_test.hpp>
using std::dynamic_pointer_cast;
using std::make_shared;
using std::map;
using std::string;
using namespace dcpomatic;
/* Some of these tests produce slightly different outputs on different platforms / OS versions.
* I'm not sure of the cause of these differences, but as it happens the tests on Ubuntu 24.04
* produce the same results as on macOS, while the Ubuntu 22.04 results are slightly different.
* Hence the hacks in this file to check for DCPOMATIC_OSX or the Ubuntu 24.04 version of Pango
* (22.04 uses Pango 1.52.1, 24.04 is 1.50.6, macOS is 1.51.0). Maybe it has nothing to do
* with Pango, of course...
*/
/** Build a small DCP with no picture and a single subtitle overlaid onto it from a SubRip file */
BOOST_AUTO_TEST_CASE (burnt_subtitle_test_subrip)
{
auto content = content_factory("test/data/subrip2.srt")[0];
auto film = new_test_film("burnt_subtitle_test_subrip", { content });
film->set_dcp_content_type(DCPContentType::from_isdcf_name("TLR"));
content->text[0]->set_use(true);
content->text[0]->set_burn(true);
make_and_verify_dcp(
film,
{ dcp::VerificationNote::Code::MISSING_CPL_METADATA }
);
#if defined(DCPOMATIC_WINDOWS)
check_dcp("test/data/windows/burnt_subtitle_test_subrip", film);
#elif defined(DCPOMATIC_OSX) || PANGO_VERSION_CHECK(1, 52, 1)
check_dcp("test/data/mac/burnt_subtitle_test_subrip", film);
#else
check_dcp("test/data/burnt_subtitle_test_subrip", film);
#endif
}
/** Build a small DCP with no picture and a single subtitle overlaid onto it from a DCP XML file */
BOOST_AUTO_TEST_CASE (burnt_subtitle_test_dcp)
{
auto content = content_factory("test/data/dcp_sub.xml")[0];
auto film = new_test_film("burnt_subtitle_test_dcp", { content });
film->set_dcp_content_type(DCPContentType::from_isdcf_name("TLR"));
film->set_name("frobozz");
content->text[0]->set_use(true);
make_and_verify_dcp(
film,
{
dcp::VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE,
dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME,
dcp::VerificationNote::Code::MISSING_CPL_METADATA
});
check_dcp("test/data/burnt_subtitle_test_dcp", film);
}
/** Burn some subtitles into an existing DCP to check the colour conversion */
BOOST_AUTO_TEST_CASE (burnt_subtitle_test_onto_dcp)
{
auto film = new_test_film("burnt_subtitle_test_onto_dcp", { content_factory("test/data/flat_black.png")[0] });
film->set_dcp_content_type(DCPContentType::from_isdcf_name("TLR"));
make_and_verify_dcp (film);
Config::instance()->set_log_types (Config::instance()->log_types() | LogEntry::TYPE_DEBUG_ENCODE);
auto background_dcp = make_shared<DCPContent>(film->dir(film->dcp_name()));
auto sub = content_factory("test/data/subrip2.srt")[0];
auto film2 = new_test_film("burnt_subtitle_test_onto_dcp2", { background_dcp, sub });
film2->set_dcp_content_type(DCPContentType::from_isdcf_name("TLR"));
film2->set_name("frobozz");
sub->text[0]->set_burn(true);
sub->text[0]->set_effect(dcp::Effect::BORDER);
make_and_verify_dcp (film2);
BOOST_CHECK (background_dcp->position() == DCPTime());
BOOST_CHECK (sub->position() == DCPTime());
dcp::DCP dcp (film2->dir (film2->dcp_name ()));
dcp.read ();
BOOST_REQUIRE_EQUAL(dcp.cpls().size(), 1U);
BOOST_REQUIRE_EQUAL(dcp.cpls().front()->reels().size(), 1U);
BOOST_REQUIRE (dcp.cpls().front()->reels().front()->main_picture());
BOOST_REQUIRE (dcp.cpls().front()->reels().front()->main_picture()->asset());
auto pic = dynamic_pointer_cast<dcp::ReelMonoPictureAsset> (
dcp.cpls().front()->reels().front()->main_picture()
)->mono_j2k_asset();
BOOST_REQUIRE (pic);
auto frame = pic->start_read()->get_frame(12);
auto xyz = frame->xyz_image ();
BOOST_CHECK_EQUAL (xyz->size().width, 1998);
BOOST_CHECK_EQUAL (xyz->size().height, 1080);
#if defined(DCPOMATIC_WINDOWS)
check_dcp("test/data/windows/burnt_subtitle_test_onto_dcp2", film2);
#elif defined(DCPOMATIC_OSX) || PANGO_VERSION_CHECK(1, 52, 1)
check_dcp("test/data/mac/burnt_subtitle_test_onto_dcp2", film2);
#else
check_dcp("test/data/burnt_subtitle_test_onto_dcp2", film2);
#endif
}
/** Check positioning of some burnt subtitles from XML files */
BOOST_AUTO_TEST_CASE(burnt_subtitle_test_position)
{
auto check = [](string alignment)
{
auto const name = String::compose("burnt_subtitle_test_position_%1", alignment);
auto subs = content_factory(String::compose("test/data/burn_%1.xml", alignment));
auto film = new_test_film(name, subs);
subs[0]->text[0]->set_use(true);
subs[0]->text[0]->set_burn(true);
make_and_verify_dcp(
film,
{
dcp::VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE,
dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME,
dcp::VerificationNote::Code::MISSING_CPL_METADATA
});
#if defined(DCPOMATIC_WINDOWS)
check_dcp(String::compose("test/data/windows/%1", name), film);
#elif defined(DCPOMATIC_OSX) || PANGO_VERSION_CHECK(1, 52, 1)
check_dcp(String::compose("test/data/mac/%1", name), film);
#else
check_dcp(String::compose("test/data/%1", name), film);
#endif
};
/* Should have a baseline 216 pixels from the top (0.2 * 1080) */
check("top");
/* Should have a baseline 756 pixels from the top ((0.5 + 0.2) * 1080) */
check("center");
/* Should have a baseline 864 pixels from the top ((1 - 0.2) * 1080) */
check("bottom");
}
/* Bug #2743 */
BOOST_AUTO_TEST_CASE(burn_empty_subtitle_test)
{
Cleanup cl;
auto content = content_factory("test/data/empty_sub.xml")[0];
auto film = new_test_film("burnt_empty_subtitle_test", { content });
content->text[0]->set_use(true);
auto job = make_shared<TranscodeJob>(film, TranscodeJob::ChangedBehaviour::IGNORE);
auto file = boost::filesystem::path("build") / "test" / "burnt_empty_subtitle_test.mov";
cl.add(file);
FFmpegFilmEncoder encoder(film, job, file, ExportFormat::PRORES_4444, false, false, false, 23);
encoder.go();
cl.run();
}
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