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/*
Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file test/audio_analysis_test.cc
* @brief Check audio analysis code.
*/
#include <boost/test/unit_test.hpp>
#include "lib/audio_analysis.h"
#include "lib/analyse_audio_job.h"
#include "lib/film.h"
#include "lib/sndfile_content.h"
#include "lib/dcp_content_type.h"
#include "lib/ffmpeg_content.h"
#include "lib/ratio.h"
#include "lib/job_manager.h"
#include "test.h"
using boost::shared_ptr;
static float
random_float ()
{
return (float (rand ()) / RAND_MAX) * 2 - 1;
}
BOOST_AUTO_TEST_CASE (audio_analysis_serialisation_test)
{
int const channels = 3;
int const points = 4096;
srand (1);
AudioAnalysis a (3);
for (int i = 0; i < channels; ++i) {
for (int j = 0; j < points; ++j) {
AudioPoint p;
p[AudioPoint::PEAK] = random_float ();
p[AudioPoint::RMS] = random_float ();
a.add_point (i, p);
}
}
float const peak = random_float ();
DCPTime const peak_time = DCPTime (rand ());
a.set_peak (peak, peak_time);
a.write ("build/test/audio_analysis_serialisation_test");
srand (1);
AudioAnalysis b ("build/test/audio_analysis_serialisation_test");
for (int i = 0; i < channels; ++i) {
BOOST_CHECK_EQUAL (b.points(i), points);
for (int j = 0; j < points; ++j) {
AudioPoint p = b.get_point (i, j);
BOOST_CHECK_CLOSE (p[AudioPoint::PEAK], random_float (), 1);
BOOST_CHECK_CLOSE (p[AudioPoint::RMS], random_float (), 1);
}
}
BOOST_CHECK (b.peak ());
BOOST_CHECK_CLOSE (b.peak().get(), peak, 1);
BOOST_CHECK (b.peak_time ());
BOOST_CHECK_EQUAL (b.peak_time().get(), peak_time);
}
static void
finished ()
{
}
BOOST_AUTO_TEST_CASE (audio_analysis_test)
{
shared_ptr<Film> film = new_test_film ("audio_analysis_test");
film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR"));
film->set_container (Ratio::from_id ("185"));
film->set_name ("audio_analysis_test");
boost::filesystem::path p = private_data / "betty_L.wav";
shared_ptr<SndfileContent> c (new SndfileContent (film, p));
film->examine_and_add_content (c);
wait_for_jobs ();
shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, film->playlist ()));
job->Finished.connect (boost::bind (&finished));
JobManager::instance()->add (job);
wait_for_jobs ();
}
/* Check that audio analysis works (i.e. runs without error) with a -ve delay */
BOOST_AUTO_TEST_CASE (audio_analysis_negative_delay_test)
{
shared_ptr<Film> film = new_test_film ("audio_analysis_negative_delay_test");
film->set_name ("audio_analysis_negative_delay_test");
shared_ptr<AudioContent> c (new FFmpegContent (film, private_data / "boon_telly.mkv"));
c->set_audio_delay (-250);
film->examine_and_add_content (c);
wait_for_jobs ();
shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, film->playlist ()));
job->Finished.connect (boost::bind (&finished));
JobManager::instance()->add (job);
wait_for_jobs ();
}
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