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Diffstat (limited to 'test/j2k_video_bit_rate_test.cc')
| -rw-r--r-- | test/j2k_video_bit_rate_test.cc | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/j2k_video_bit_rate_test.cc b/test/j2k_video_bit_rate_test.cc new file mode 100644 index 000000000..ab4c4271e --- /dev/null +++ b/test/j2k_video_bit_rate_test.cc @@ -0,0 +1,92 @@ +/* + 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/>. + +*/ + + +/** @file test/bandwidth_test.cc + * @brief Test whether we output whatever J2K bandwidth is requested. + * @ingroup feature + */ + + +#include "test.h" +#include "lib/dcp_content_type.h" +#include "lib/film.h" +#include "lib/image_content.h" +#include "lib/video_content.h" +#include <dcp/raw_convert.h> +#include <boost/test/unit_test.hpp> + + +using std::make_shared; +using std::string; + + +static void +check (int target_bits_per_second) +{ + int const duration = 10; + + string const name = "bandwidth_test_" + dcp::raw_convert<string> (target_bits_per_second); + auto film = new_test_film (name); + film->set_name (name); + film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR")); + film->set_video_bit_rate(VideoEncoding::JPEG2000, target_bits_per_second); + auto content = make_shared<ImageContent>(TestPaths::private_data() / "prophet_frame.tiff"); + film->examine_and_add_content (content); + BOOST_REQUIRE (!wait_for_jobs()); + content->video->set_length (24 * duration); + make_and_verify_dcp ( + film, + { + dcp::VerificationNote::Code::MISSING_FFMC_IN_FEATURE, + dcp::VerificationNote::Code::MISSING_FFEC_IN_FEATURE, + dcp::VerificationNote::Code::NEARLY_INVALID_PICTURE_FRAME_SIZE_IN_BYTES, + dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_SIZE_IN_BYTES, + dcp::VerificationNote::Code::INVALID_JPEG2000_TILE_PART_SIZE, + }, + target_bits_per_second <= 250000000, + target_bits_per_second <= 250000000 + ); + + boost::filesystem::directory_iterator i (boost::filesystem::path("build") / "test" / name / "video"); + boost::filesystem::path test = *i++; + BOOST_REQUIRE (i == boost::filesystem::directory_iterator()); + + double actual_bits_per_second = boost::filesystem::file_size(test) * 8.0 / duration; + + /* Check that we're within 85% to 115% of target on average */ + BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) > 0.85); + BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) < 1.15); +} + + +BOOST_AUTO_TEST_CASE (bandwidth_test) +{ + check (50000000); + check (100000000); + check (150000000); + check (200000000); + check (250000000); + check (300000000); + check (350000000); + check (400000000); + check (450000000); + check (500000000); +} |