2 Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file test/audio_merger_test.cc
22 * @brief Test AudioMerger class.
23 * @ingroup selfcontained
26 #include "lib/audio_merger.h"
27 #include "lib/audio_buffers.h"
28 #include <boost/test/unit_test.hpp>
29 #include <boost/bind.hpp>
30 #include <boost/function.hpp>
31 #include <boost/signals2.hpp>
37 using boost::shared_ptr;
40 static shared_ptr<const AudioBuffers> last_audio;
42 int const sampling_rate = 48000;
45 push (AudioMerger& merger, int from, int to, int at)
47 shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, to - from));
48 for (int i = 0; i < (to - from); ++i) {
49 buffers->data()[0][i] = from + i;
51 merger.push (buffers, DCPTime(at, sampling_rate));
54 /* Basic mixing, 2 overlapping pushes */
55 BOOST_AUTO_TEST_CASE (audio_merger_test1)
57 AudioMerger merger (sampling_rate);
59 push (merger, 0, 64, 0);
60 push (merger, 0, 64, 22);
62 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
63 BOOST_REQUIRE (tb.size() == 1);
64 BOOST_CHECK (tb.front().first != shared_ptr<const AudioBuffers> ());
65 BOOST_CHECK_EQUAL (tb.front().first->frames(), 22);
66 BOOST_CHECK_EQUAL (tb.front().second.get(), 0);
68 /* And they should be a staircase */
69 for (int i = 0; i < 22; ++i) {
70 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
73 tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
74 BOOST_REQUIRE (tb.size() == 1);
75 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
76 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(22, sampling_rate).get());
78 /* Check the sample values */
79 for (int i = 0; i < 64; ++i) {
84 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], correct);
88 /* Push at non-zero time */
89 BOOST_AUTO_TEST_CASE (audio_merger_test2)
91 AudioMerger merger (sampling_rate);
93 push (merger, 0, 64, 9);
95 /* There's nothing from 0 to 9 */
96 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
97 BOOST_CHECK_EQUAL (tb.size(), 0);
99 /* Then there's our data at 9 */
100 tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
102 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
103 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(9, sampling_rate).get());
105 /* Check the sample values */
106 for (int i = 0; i < 64; ++i) {
107 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
111 /* Push two non contiguous blocks */
112 BOOST_AUTO_TEST_CASE (audio_merger_test3)
114 AudioMerger merger (sampling_rate);
116 push (merger, 0, 64, 17);
117 push (merger, 0, 64, 114);
121 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (100, sampling_rate));
122 BOOST_REQUIRE (tb.size() == 1);
123 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
124 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(17, sampling_rate).get());
125 for (int i = 0; i < 64; ++i) {
126 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
129 tb = merger.pull (DCPTime::from_frames (200, sampling_rate));
130 BOOST_REQUIRE (tb.size() == 1);
131 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
132 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(114, sampling_rate).get());
133 for (int i = 0; i < 64; ++i) {
134 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);