2 Copyright (C) 2013-2021 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/>.
22 /** @file test/audio_merger_test.cc
23 * @brief Test AudioMerger class.
24 * @ingroup selfcontained
28 #include "lib/cross.h"
29 #include "lib/audio_merger.h"
30 #include "lib/audio_buffers.h"
31 #include "lib/dcpomatic_time.h"
34 #include <dcp/raw_convert.h>
35 #include <boost/test/unit_test.hpp>
36 #include <boost/bind/bind.hpp>
37 #include <boost/signals2.hpp>
42 using std::make_shared;
46 using std::shared_ptr;
48 using namespace dcpomatic;
51 static shared_ptr<const AudioBuffers> last_audio;
54 int const sampling_rate = 48000;
58 push (AudioMerger& merger, int from, int to, int at)
60 auto buffers = make_shared<AudioBuffers>(1, to - from);
61 for (int i = 0; i < (to - from); ++i) {
62 buffers->data()[0][i] = from + i;
64 merger.push (buffers, DCPTime(at, sampling_rate));
68 /* Basic mixing, 2 overlapping pushes */
69 BOOST_AUTO_TEST_CASE (audio_merger_test1)
71 AudioMerger merger (sampling_rate);
73 push (merger, 0, 64, 0);
74 push (merger, 0, 64, 22);
76 auto tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
77 BOOST_REQUIRE (tb.size() == 1U);
78 BOOST_CHECK (tb.front().first != shared_ptr<const AudioBuffers> ());
79 BOOST_CHECK_EQUAL (tb.front().first->frames(), 22);
80 BOOST_CHECK_EQUAL (tb.front().second.get(), 0);
82 /* And they should be a staircase */
83 for (int i = 0; i < 22; ++i) {
84 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
87 tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
88 BOOST_REQUIRE (tb.size() == 1U);
89 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
90 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(22, sampling_rate).get());
92 /* Check the sample values */
93 for (int i = 0; i < 64; ++i) {
98 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], correct);
103 /* Push at non-zero time */
104 BOOST_AUTO_TEST_CASE (audio_merger_test2)
106 AudioMerger merger (sampling_rate);
108 push (merger, 0, 64, 9);
110 /* There's nothing from 0 to 9 */
111 auto tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
112 BOOST_CHECK_EQUAL (tb.size(), 0U);
114 /* Then there's our data at 9 */
115 tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
117 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
118 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(9, sampling_rate).get());
120 /* Check the sample values */
121 for (int i = 0; i < 64; ++i) {
122 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
127 /* Push two non contiguous blocks */
128 BOOST_AUTO_TEST_CASE (audio_merger_test3)
130 AudioMerger merger (sampling_rate);
132 push (merger, 0, 64, 17);
133 push (merger, 0, 64, 114);
137 auto tb = merger.pull (DCPTime::from_frames (100, sampling_rate));
138 BOOST_REQUIRE (tb.size() == 1U);
139 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
140 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(17, sampling_rate).get());
141 for (int i = 0; i < 64; ++i) {
142 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
145 tb = merger.pull (DCPTime::from_frames (200, sampling_rate));
146 BOOST_REQUIRE (tb.size() == 1U);
147 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
148 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(114, sampling_rate).get());
149 for (int i = 0; i < 64; ++i) {
150 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
155 /* Reply a sequence of calls to AudioMerger that resulted in a crash */
156 BOOST_AUTO_TEST_CASE (audio_merger_test4)
158 dcp::File f("test/data/audio_merger_bug1.log", "r");
162 while (fscanf(f.get(), "%63s", buf) == 1) {
163 tokens.push_back (buf);
166 shared_ptr<AudioMerger> merger;
167 auto i = tokens.begin ();
168 while (i != tokens.end()) {
169 BOOST_CHECK (*i++ == "I/AM");
170 string const cmd = *i++;
171 if (cmd == "frame_rate") {
172 BOOST_REQUIRE (i != tokens.end());
173 merger.reset (new AudioMerger(dcp::raw_convert<int>(*i++)));
174 } else if (cmd == "clear") {
176 } else if (cmd == "push") {
177 BOOST_REQUIRE (i != tokens.end());
178 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));
179 BOOST_REQUIRE (i != tokens.end());
180 int const frames = dcp::raw_convert<int>(*i++);
181 auto buffers = make_shared<AudioBuffers>(1, frames);
182 BOOST_REQUIRE (merger);
183 merger->push (buffers, time);
184 } else if (cmd == "pull") {
185 BOOST_REQUIRE (i != tokens.end());
186 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));