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"
33 #include <dcp/raw_convert.h>
34 #include <boost/test/unit_test.hpp>
35 #include <boost/bind/bind.hpp>
36 #include <boost/signals2.hpp>
41 using std::make_shared;
45 using std::shared_ptr;
47 using namespace dcpomatic;
50 static shared_ptr<const AudioBuffers> last_audio;
53 int const sampling_rate = 48000;
57 push (AudioMerger& merger, int from, int to, int at)
59 auto buffers = make_shared<AudioBuffers>(1, to - from);
60 for (int i = 0; i < (to - from); ++i) {
61 buffers->data()[0][i] = from + i;
63 merger.push (buffers, DCPTime(at, sampling_rate));
67 /* Basic mixing, 2 overlapping pushes */
68 BOOST_AUTO_TEST_CASE (audio_merger_test1)
70 AudioMerger merger (sampling_rate);
72 push (merger, 0, 64, 0);
73 push (merger, 0, 64, 22);
75 auto tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
76 BOOST_REQUIRE (tb.size() == 1U);
77 BOOST_CHECK (tb.front().first != shared_ptr<const AudioBuffers> ());
78 BOOST_CHECK_EQUAL (tb.front().first->frames(), 22);
79 BOOST_CHECK_EQUAL (tb.front().second.get(), 0);
81 /* And they should be a staircase */
82 for (int i = 0; i < 22; ++i) {
83 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
86 tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
87 BOOST_REQUIRE (tb.size() == 1U);
88 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
89 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(22, sampling_rate).get());
91 /* Check the sample values */
92 for (int i = 0; i < 64; ++i) {
97 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], correct);
102 /* Push at non-zero time */
103 BOOST_AUTO_TEST_CASE (audio_merger_test2)
105 AudioMerger merger (sampling_rate);
107 push (merger, 0, 64, 9);
109 /* There's nothing from 0 to 9 */
110 auto tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
111 BOOST_CHECK_EQUAL (tb.size(), 0U);
113 /* Then there's our data at 9 */
114 tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
116 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
117 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(9, sampling_rate).get());
119 /* Check the sample values */
120 for (int i = 0; i < 64; ++i) {
121 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
126 /* Push two non contiguous blocks */
127 BOOST_AUTO_TEST_CASE (audio_merger_test3)
129 AudioMerger merger (sampling_rate);
131 push (merger, 0, 64, 17);
132 push (merger, 0, 64, 114);
136 auto tb = merger.pull (DCPTime::from_frames (100, sampling_rate));
137 BOOST_REQUIRE (tb.size() == 1U);
138 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
139 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(17, sampling_rate).get());
140 for (int i = 0; i < 64; ++i) {
141 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
144 tb = merger.pull (DCPTime::from_frames (200, sampling_rate));
145 BOOST_REQUIRE (tb.size() == 1U);
146 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
147 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(114, sampling_rate).get());
148 for (int i = 0; i < 64; ++i) {
149 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
154 /* Reply a sequence of calls to AudioMerger that resulted in a crash */
155 BOOST_AUTO_TEST_CASE (audio_merger_test4)
157 auto f = fopen_boost("test/data/audio_merger_bug1.log", "r");
161 while (fscanf(f, "%63s", buf) == 1) {
162 tokens.push_back (buf);
165 shared_ptr<AudioMerger> merger;
166 auto i = tokens.begin ();
167 while (i != tokens.end()) {
168 BOOST_CHECK (*i++ == "I/AM");
169 string const cmd = *i++;
170 if (cmd == "frame_rate") {
171 BOOST_REQUIRE (i != tokens.end());
172 merger.reset (new AudioMerger(dcp::raw_convert<int>(*i++)));
173 } else if (cmd == "clear") {
175 } else if (cmd == "push") {
176 BOOST_REQUIRE (i != tokens.end());
177 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));
178 BOOST_REQUIRE (i != tokens.end());
179 int const frames = dcp::raw_convert<int>(*i++);
180 auto buffers = make_shared<AudioBuffers>(1, frames);
181 BOOST_REQUIRE (merger);
182 merger->push (buffers, time);
183 } else if (cmd == "pull") {
184 BOOST_REQUIRE (i != tokens.end());
185 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));