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Diffstat (limited to 'test/sound_asset_writer_test.cc')
| -rw-r--r-- | test/sound_asset_writer_test.cc | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/test/sound_asset_writer_test.cc b/test/sound_asset_writer_test.cc new file mode 100644 index 00000000..32ab06b5 --- /dev/null +++ b/test/sound_asset_writer_test.cc @@ -0,0 +1,117 @@ +/* + Copyright (C) 2023 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/>. + + In addition, as a special exception, the copyright holders give + permission to link the code of portions of this program with the + OpenSSL library under certain conditions as described in each + individual source file, and distribute linked combinations + including the two. + + You must obey the GNU General Public License in all respects + for all of the code used other than OpenSSL. If you modify + file(s) with this exception, you may extend this exception to your + version of the file(s), but you are not obligated to do so. If you + do not wish to do so, delete this exception statement from your + version. If you delete this exception statement from all source + files in the program, then also delete it here. +*/ + + +#include "sound_asset.h" +#include "sound_asset_writer.h" +#include <boost/filesystem.hpp> +#include <boost/random.hpp> +#include <boost/test/unit_test.hpp> + + +BOOST_AUTO_TEST_CASE(sound_asset_writer_no_padding_test) +{ + auto path = boost::filesystem::path("build/test/sound_asset_writer_no_padding_test.mxf"); + dcp::SoundAsset asset({24, 1}, 48000, 6, dcp::LanguageTag{"en-GB"}, dcp::Standard::SMPTE); + auto writer = asset.start_write(path); + + boost::random::mt19937 rng(1); + boost::random::uniform_int_distribution<> dist(0, 32767); + + std::vector<std::vector<float>> buffers(6); + float* pointers[6]; + for (auto channel = 0; channel < 6; ++channel) { + buffers[channel].resize(2000); + for (int sample = 0; sample < 2000; ++sample) { + buffers[channel][sample] = static_cast<float>(dist(rng)) / (1 << 23); + } + pointers[channel] = buffers[channel].data(); + } + + writer->write(pointers, 6, 2000); + writer->finalize(); + + dcp::SoundAsset check(path); + auto reader = check.start_read(); + auto frame = reader->get_frame(0); + + rng.seed(1); + + for (auto channel = 0; channel < 6; ++channel) { + for (auto sample = 0; sample < 2000; ++sample) { + BOOST_REQUIRE_EQUAL(frame->get(channel, sample), dist(rng)); + } + } +} + + +BOOST_AUTO_TEST_CASE(sound_asset_writer_padding_test) +{ + auto path = boost::filesystem::path("build/test/sound_asset_writer_padding_test.mxf"); + dcp::SoundAsset asset({24, 1}, 48000, 14, dcp::LanguageTag{"en-GB"}, dcp::Standard::SMPTE); + auto writer = asset.start_write(path); + + boost::random::mt19937 rng(1); + boost::random::uniform_int_distribution<> dist(0, 32767); + + std::vector<std::vector<float>> buffers(6); + float* pointers[6]; + for (auto channel = 0; channel < 6; ++channel) { + buffers[channel].resize(2000); + for (int sample = 0; sample < 2000; ++sample) { + buffers[channel][sample] = static_cast<float>(dist(rng)) / (1 << 23); + } + pointers[channel] = buffers[channel].data(); + } + + writer->write(pointers, 6, 2000); + writer->finalize(); + + dcp::SoundAsset check(path); + auto reader = check.start_read(); + auto frame = reader->get_frame(0); + + rng.seed(1); + + for (auto channel = 0; channel < 6; ++channel) { + for (auto sample = 0; sample < 2000; ++sample) { + BOOST_REQUIRE_EQUAL(frame->get(channel, sample), dist(rng)); + } + } + + for (auto channel = 7; channel < 14; ++channel) { + for (auto sample = 0; sample < 2000; ++sample) { + BOOST_REQUIRE_EQUAL(frame->get(channel, sample), 0); + } + } +} |