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/*
Copyright (C) 2015-2021 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/audio_processor_test.cc
* @brief Test audio processors.
* @ingroup feature
*/
#include "lib/audio_content.h"
#include "lib/audio_processor.h"
#include "lib/analyse_audio_job.h"
#include "lib/content_factory.h"
#include "lib/dcp_content_type.h"
#include "lib/job_manager.h"
#include "lib/ffmpeg_content.h"
#include "lib/film.h"
#include "test.h"
#include <dcp/sound_asset.h>
#include <boost/test/unit_test.hpp>
using std::make_shared;
/** Test the mid-side decoder for analysis and DCP-making */
BOOST_AUTO_TEST_CASE (audio_processor_test)
{
auto c = make_shared<FFmpegContent>("test/data/white.wav");
auto film = new_test_film("audio_processor_test", { c });
film->set_audio_channels(16);
film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
film->set_audio_processor (AudioProcessor::from_id ("mid-side-decoder"));
/* Analyse the audio and check it doesn't crash */
auto job = make_shared<AnalyseAudioJob> (film, film->playlist(), false);
JobManager::instance()->add (job);
BOOST_REQUIRE (!wait_for_jobs());
/* Make a DCP and check it */
make_and_verify_dcp (film, {dcp::VerificationNote::Code::MISSING_CPL_METADATA});
check_dcp ("test/data/audio_processor_test", film->dir (film->dcp_name ()));
}
/** Check that it's possible to pass data through the mid-side decoder via HI/VI etc. */
BOOST_AUTO_TEST_CASE(audio_processor_pass_through_test)
{
auto staircase = content_factory("test/data/staircase.wav")[0];
auto film = new_test_film("audio_processor_pass_through_test", { staircase });
film->set_audio_channels(16);
film->set_audio_processor(AudioProcessor::from_id("mid-side-decoder"));
AudioMapping mapping(1, 16);
mapping.set(0, dcp::Channel::HI, 1);
mapping.set(0, dcp::Channel::VI, 1);
mapping.set(0, dcp::Channel::MOTION_DATA, 1);
mapping.set(0, dcp::Channel::SYNC_SIGNAL, 1);
mapping.set(0, dcp::Channel::SIGN_LANGUAGE, 1);
staircase->audio->set_mapping(mapping);
make_and_verify_dcp(film, {dcp::VerificationNote::Code::MISSING_CPL_METADATA});
auto mxf = find_file(film->dir(film->dcp_name()), "pcm_");
dcp::SoundAsset asset(mxf);
auto reader = asset.start_read();
auto frame = reader->get_frame(0);
BOOST_REQUIRE(frame);
/* Check the first 512 samples */
for (auto i = 0; i < 512; ++i) {
BOOST_REQUIRE_EQUAL(frame->get(0, i), 0); // L
BOOST_REQUIRE_EQUAL(frame->get(1, i), 0); // R
BOOST_REQUIRE_EQUAL(frame->get(2, i), 0); // C
BOOST_REQUIRE_EQUAL(frame->get(3, i), 0); // Lfe
BOOST_REQUIRE_EQUAL(frame->get(4, i), 0); // Ls
BOOST_REQUIRE_EQUAL(frame->get(5, i), 0); // Rs
BOOST_REQUIRE_EQUAL(frame->get(6, i), i << 8); // HI
BOOST_REQUIRE_EQUAL(frame->get(7, i), i << 8); // VI
BOOST_REQUIRE_EQUAL(frame->get(8, i), 0); // LC
BOOST_REQUIRE_EQUAL(frame->get(9, i), 0); // RC
BOOST_REQUIRE_EQUAL(frame->get(10, i), 0); // BSL
BOOST_REQUIRE_EQUAL(frame->get(11, i), 0); // BSR
BOOST_REQUIRE_EQUAL(frame->get(12, i), i << 8); // Motion data
BOOST_REQUIRE_EQUAL(frame->get(13, i), i << 8); // Sync
BOOST_REQUIRE_EQUAL(frame->get(14, i), i << 8); // Sign language
BOOST_REQUIRE_EQUAL(frame->get(15, i), 0); // Unused
}
}
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