2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file test/audio_decoder_test.cc
21 * @brief Tests of the AudioDecoder class.
25 #include <boost/test/unit_test.hpp>
27 #include "lib/audio_decoder.h"
28 #include "lib/audio_content.h"
33 using boost::shared_ptr;
35 class TestAudioDecoder : public AudioDecoder
38 TestAudioDecoder (shared_ptr<AudioContent> content)
39 : AudioDecoder (content)
45 AudioFrame const N = min (
47 _audio_content->audio_length().frames (_audio_content->output_audio_frame_rate ()) - _position
50 shared_ptr<AudioBuffers> buffers (new AudioBuffers (_audio_content->audio_channels(), N));
51 for (int i = 0; i < _audio_content->audio_channels(); ++i) {
52 for (int j = 0; j < N; ++j) {
53 buffers->data(i)[j] = j + _position;
57 audio (buffers, ContentTime::from_frames (_position, _audio_content->output_audio_frame_rate ()));
63 void seek (ContentTime t, bool accurate)
65 AudioDecoder::seek (t, accurate);
66 _position = t.frames (_audio_content->output_audio_frame_rate ());
73 class TestAudioContent : public AudioContent
76 TestAudioContent (shared_ptr<Film> film)
78 , AudioContent (film, DCPTime ())
81 string summary () const {
85 string information () const {
89 DCPTime full_length () const {
90 return DCPTime (audio_length().get ());
93 int audio_channels () const {
97 ContentTime audio_length () const {
98 return ContentTime::from_seconds (61.2942);
101 int content_audio_frame_rate () const {
105 int output_audio_frame_rate () const {
109 AudioMapping audio_mapping () const {
110 return AudioMapping (audio_channels ());
113 void set_audio_mapping (AudioMapping) {}
116 shared_ptr<TestAudioContent> content;
117 shared_ptr<TestAudioDecoder> decoder;
119 static shared_ptr<ContentAudio>
120 get (AudioFrame from, AudioFrame length)
122 decoder->seek (ContentTime::from_frames (from, content->output_audio_frame_rate ()), true);
123 shared_ptr<ContentAudio> ca = decoder->get_audio (from, length, true);
124 BOOST_CHECK_EQUAL (ca->frame, from);
129 check (AudioFrame from, AudioFrame length)
131 shared_ptr<ContentAudio> ca = get (from, length);
132 for (int i = 0; i < content->audio_channels(); ++i) {
133 for (int j = 0; j < length; ++j) {
134 BOOST_CHECK_EQUAL (ca->audio->data(i)[j], j + from);
135 assert (ca->audio->data(i)[j] == j + from);
140 /** Check the logic in AudioDecoder::get_audio */
141 BOOST_AUTO_TEST_CASE (audio_decoder_get_audio_test)
143 shared_ptr<Film> film = new_test_film ("audio_decoder_test");
145 content.reset (new TestAudioContent (film));
146 decoder.reset (new TestAudioDecoder (content));
153 /* Read off the end */
155 AudioFrame const from = content->output_audio_frame_rate() * 61;
156 AudioFrame const length = content->output_audio_frame_rate() * 4;
157 shared_ptr<ContentAudio> ca = get (from, length);
159 for (int i = 0; i < content->audio_channels(); ++i) {
160 for (int j = 0; j < ca->audio->frames(); ++j) {
161 BOOST_CHECK_EQUAL (ca->audio->data(i)[j], j + from);
162 assert (ca->audio->data(i)[j] == j + from);