2 Copyright (C) 2013-2020 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/cross.h"
27 #include "lib/audio_merger.h"
28 #include "lib/audio_buffers.h"
29 #include "lib/dcpomatic_time.h"
31 #include <dcp/raw_convert.h>
32 #include <boost/test/unit_test.hpp>
33 #include <boost/bind.hpp>
34 #include <boost/function.hpp>
35 #include <boost/signals2.hpp>
42 using boost::shared_ptr;
44 using namespace dcpomatic;
46 static shared_ptr<const AudioBuffers> last_audio;
48 int const sampling_rate = 48000;
51 push (AudioMerger& merger, int from, int to, int at)
53 shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, to - from));
54 for (int i = 0; i < (to - from); ++i) {
55 buffers->data()[0][i] = from + i;
57 merger.push (buffers, DCPTime(at, sampling_rate));
60 /* Basic mixing, 2 overlapping pushes */
61 BOOST_AUTO_TEST_CASE (audio_merger_test1)
63 AudioMerger merger (sampling_rate);
65 push (merger, 0, 64, 0);
66 push (merger, 0, 64, 22);
68 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
69 BOOST_REQUIRE (tb.size() == 1U);
70 BOOST_CHECK (tb.front().first != shared_ptr<const AudioBuffers> ());
71 BOOST_CHECK_EQUAL (tb.front().first->frames(), 22);
72 BOOST_CHECK_EQUAL (tb.front().second.get(), 0);
74 /* And they should be a staircase */
75 for (int i = 0; i < 22; ++i) {
76 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
79 tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
80 BOOST_REQUIRE (tb.size() == 1U);
81 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
82 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(22, sampling_rate).get());
84 /* Check the sample values */
85 for (int i = 0; i < 64; ++i) {
90 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], correct);
94 /* Push at non-zero time */
95 BOOST_AUTO_TEST_CASE (audio_merger_test2)
97 AudioMerger merger (sampling_rate);
99 push (merger, 0, 64, 9);
101 /* There's nothing from 0 to 9 */
102 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
103 BOOST_CHECK_EQUAL (tb.size(), 0U);
105 /* Then there's our data at 9 */
106 tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
108 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
109 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(9, sampling_rate).get());
111 /* Check the sample values */
112 for (int i = 0; i < 64; ++i) {
113 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
117 /* Push two non contiguous blocks */
118 BOOST_AUTO_TEST_CASE (audio_merger_test3)
120 AudioMerger merger (sampling_rate);
122 push (merger, 0, 64, 17);
123 push (merger, 0, 64, 114);
127 list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (100, sampling_rate));
128 BOOST_REQUIRE (tb.size() == 1U);
129 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
130 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(17, sampling_rate).get());
131 for (int i = 0; i < 64; ++i) {
132 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
135 tb = merger.pull (DCPTime::from_frames (200, sampling_rate));
136 BOOST_REQUIRE (tb.size() == 1U);
137 BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
138 BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(114, sampling_rate).get());
139 for (int i = 0; i < 64; ++i) {
140 BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
144 /* Reply a sequence of calls to AudioMerger that resulted in a crash */
145 BOOST_AUTO_TEST_CASE (audio_merger_test4)
147 FILE* f = fopen_boost("test/data/audio_merger_bug1.log", "r");
151 while (fscanf(f, "%63s", buf) == 1) {
152 tokens.push_back (buf);
155 shared_ptr<AudioMerger> merger;
156 list<string>::const_iterator i = tokens.begin ();
157 while (i != tokens.end()) {
158 BOOST_CHECK (*i++ == "I/AM");
159 string const cmd = *i++;
160 if (cmd == "frame_rate") {
161 BOOST_REQUIRE (i != tokens.end());
162 merger.reset (new AudioMerger(dcp::raw_convert<int>(*i++)));
163 } else if (cmd == "clear") {
165 } else if (cmd == "push") {
166 BOOST_REQUIRE (i != tokens.end());
167 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));
168 BOOST_REQUIRE (i != tokens.end());
169 int const frames = dcp::raw_convert<int>(*i++);
170 shared_ptr<AudioBuffers> buffers(new AudioBuffers(1, frames));
171 BOOST_REQUIRE (merger);
172 merger->push (buffers, time);
173 } else if (cmd == "pull") {
174 BOOST_REQUIRE (i != tokens.end());
175 DCPTime time(dcp::raw_convert<DCPTime::Type>(*i++));