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/*
Copyright (C) 2013-2017 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/>.
*/
#include "lib/audio_merger.h"
#include "lib/audio_buffers.h"
#include <boost/test/unit_test.hpp>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/signals2.hpp>
using std::pair;
using boost::shared_ptr;
using boost::bind;
static shared_ptr<const AudioBuffers> last_audio;
int const sampling_rate = 48000;
BOOST_AUTO_TEST_CASE (audio_merger_test1)
{
AudioMerger merger (1, sampling_rate);
/* Push 64 samples, 0 -> 63 at time 0 */
shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, 64));
for (int i = 0; i < 64; ++i) {
buffers->data()[0][i] = i;
}
merger.push (buffers, DCPTime());
/* Push 64 samples, 0 -> 63 at time 22 */
merger.push (buffers, DCPTime::from_frames (22, sampling_rate));
pair<shared_ptr<AudioBuffers>, DCPTime> tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
BOOST_CHECK (tb.first != shared_ptr<const AudioBuffers> ());
BOOST_CHECK_EQUAL (tb.first->frames(), 22);
BOOST_CHECK_EQUAL (tb.second.get(), 0);
/* And they should be a staircase */
for (int i = 0; i < 22; ++i) {
BOOST_CHECK_EQUAL (tb.first->data()[0][i], i);
}
tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
BOOST_CHECK_EQUAL (tb.first->frames(), 64);
BOOST_CHECK_EQUAL (tb.second.get(), DCPTime::from_frames(22, sampling_rate).get());
/* Check the sample values */
for (int i = 0; i < 64; ++i) {
int correct = i;
if (i < (64 - 22)) {
correct += i + 22;
}
BOOST_CHECK_EQUAL (tb.first->data()[0][i], correct);
}
}
BOOST_AUTO_TEST_CASE (audio_merger_test2)
{
AudioMerger merger (1, sampling_rate);
/* Push 64 samples, 0 -> 63 at time 9 */
shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, 64));
for (int i = 0; i < 64; ++i) {
buffers->data()[0][i] = i;
}
merger.push (buffers, DCPTime::from_frames (9, sampling_rate));
pair<shared_ptr<AudioBuffers>, DCPTime> tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
BOOST_CHECK_EQUAL (tb.first->frames(), 9);
BOOST_CHECK_EQUAL (tb.second.get(), 0);
for (int i = 0; i < 9; ++i) {
BOOST_CHECK_EQUAL (tb.first->data()[0][i], 0);
}
tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
BOOST_CHECK_EQUAL (tb.first->frames(), 64);
BOOST_CHECK_EQUAL (tb.second.get(), DCPTime::from_frames(9, sampling_rate).get());
/* Check the sample values */
for (int i = 0; i < 64; ++i) {
BOOST_CHECK_EQUAL (tb.first->data()[0][i], i);
}
}
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