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Issue 1907973003: media: Move audio_parameters and audio_point to media/base/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <stddef.h>
6
7 #include "base/macros.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "media/audio/audio_parameters.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11
12 namespace media {
13
14 TEST(AudioParameters, Constructor_Default) {
15 AudioParameters::Format expected_format = AudioParameters::AUDIO_PCM_LINEAR;
16 int expected_bits = 0;
17 int expected_channels = 0;
18 ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_NONE;
19 int expected_rate = 0;
20 int expected_samples = 0;
21 AudioParameters::PlatformEffectsMask expected_effects =
22 AudioParameters::NO_EFFECTS;
23 std::vector<Point> expected_mic_positions;
24
25 AudioParameters params;
26
27 EXPECT_EQ(expected_format, params.format());
28 EXPECT_EQ(expected_bits, params.bits_per_sample());
29 EXPECT_EQ(expected_channels, params.channels());
30 EXPECT_EQ(expected_channel_layout, params.channel_layout());
31 EXPECT_EQ(expected_rate, params.sample_rate());
32 EXPECT_EQ(expected_samples, params.frames_per_buffer());
33 EXPECT_EQ(expected_effects, params.effects());
34 EXPECT_EQ(expected_mic_positions, params.mic_positions());
35 }
36
37 TEST(AudioParameters, Constructor_ParameterValues) {
38 AudioParameters::Format expected_format =
39 AudioParameters::AUDIO_PCM_LOW_LATENCY;
40 int expected_bits = 16;
41 int expected_channels = 6;
42 ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_5_1;
43 int expected_rate = 44100;
44 int expected_samples = 880;
45
46 AudioParameters params(expected_format, expected_channel_layout,
47 expected_rate, expected_bits, expected_samples);
48
49 EXPECT_EQ(expected_format, params.format());
50 EXPECT_EQ(expected_bits, params.bits_per_sample());
51 EXPECT_EQ(expected_channels, params.channels());
52 EXPECT_EQ(expected_channel_layout, params.channel_layout());
53 EXPECT_EQ(expected_rate, params.sample_rate());
54 EXPECT_EQ(expected_samples, params.frames_per_buffer());
55 }
56
57 TEST(AudioParameters, GetBytesPerBuffer) {
58 EXPECT_EQ(100, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
59 CHANNEL_LAYOUT_MONO, 1000, 8, 100)
60 .GetBytesPerBuffer());
61 EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
62 CHANNEL_LAYOUT_MONO, 1000, 16, 100)
63 .GetBytesPerBuffer());
64 EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
65 CHANNEL_LAYOUT_STEREO, 1000, 8, 100)
66 .GetBytesPerBuffer());
67 EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
68 CHANNEL_LAYOUT_MONO, 1000, 8, 200)
69 .GetBytesPerBuffer());
70 EXPECT_EQ(800, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
71 CHANNEL_LAYOUT_STEREO, 1000, 16, 200)
72 .GetBytesPerBuffer());
73 EXPECT_EQ(300, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
74 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC,
75 1000, 8, 100)
76 .GetBytesPerBuffer());
77 }
78
79 TEST(AudioParameters, GetBytesPerSecond) {
80 EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
81 CHANNEL_LAYOUT_NONE, 0, 0, 0)
82 .GetBytesPerSecond());
83 EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
84 CHANNEL_LAYOUT_STEREO, 0, 0, 0)
85 .GetBytesPerSecond());
86 EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
87 CHANNEL_LAYOUT_NONE, 100, 0, 0)
88 .GetBytesPerSecond());
89 EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
90 CHANNEL_LAYOUT_NONE, 0, 8, 0)
91 .GetBytesPerSecond());
92 EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
93 CHANNEL_LAYOUT_STEREO, 100, 8, 0)
94 .GetBytesPerSecond());
95 }
96
97 TEST(AudioParameters, Compare) {
98 AudioParameters values[] = {
99 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
100 1000, 8, 100),
101 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
102 1000, 8, 200),
103 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
104 1000, 16, 100),
105 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
106 1000, 16, 200),
107 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
108 2000, 8, 100),
109 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
110 2000, 8, 200),
111 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
112 2000, 16, 100),
113 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
114 2000, 16, 200),
115
116 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
117 1000, 8, 100),
118 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
119 1000, 8, 200),
120 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
121 1000, 16, 100),
122 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
123 1000, 16, 200),
124 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
125 2000, 8, 100),
126 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
127 2000, 8, 200),
128 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
129 2000, 16, 100),
130 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO,
131 2000, 16, 200),
132
133 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
134 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 8, 100),
135 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
136 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 8, 200),
137 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
138 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 16, 100),
139 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
140 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 16, 200),
141 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
142 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 8, 100),
143 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
144 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 8, 200),
145 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
146 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 16, 100),
147 AudioParameters(AudioParameters::AUDIO_PCM_LINEAR,
148 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 16, 200),
149
150 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
151 1000, 8, 100),
152 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
153 1000, 8, 200),
154 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
155 1000, 16, 100),
156 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
157 1000, 16, 200),
158 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
159 2000, 8, 100),
160 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
161 2000, 8, 200),
162 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
163 2000, 16, 100),
164 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO,
165 2000, 16, 200),
166
167 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
168 CHANNEL_LAYOUT_STEREO, 1000, 8, 100),
169 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
170 CHANNEL_LAYOUT_STEREO, 1000, 8, 200),
171 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
172 CHANNEL_LAYOUT_STEREO, 1000, 16, 100),
173 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
174 CHANNEL_LAYOUT_STEREO, 1000, 16, 200),
175 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
176 CHANNEL_LAYOUT_STEREO, 2000, 8, 100),
177 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
178 CHANNEL_LAYOUT_STEREO, 2000, 8, 200),
179 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
180 CHANNEL_LAYOUT_STEREO, 2000, 16, 100),
181 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
182 CHANNEL_LAYOUT_STEREO, 2000, 16, 200),
183
184 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
185 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 8, 100),
186 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
187 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 8, 200),
188 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
189 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 16, 100),
190 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
191 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 1000, 16, 200),
192 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
193 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 8, 100),
194 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
195 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 8, 200),
196 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
197 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 16, 100),
198 AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
199 CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC, 2000, 16, 200),
200 };
201
202 for (size_t i = 0; i < arraysize(values); ++i) {
203 for (size_t j = 0; j < arraysize(values); ++j) {
204 SCOPED_TRACE("i=" + base::SizeTToString(i) + " j=" +
205 base::SizeTToString(j));
206 EXPECT_EQ(i < j, values[i] < values[j]);
207 }
208
209 // Verify that a value is never less than itself.
210 EXPECT_FALSE(values[i] < values[i]);
211 }
212 }
213
214 TEST(AudioParameters, Constructor_ValidChannelCounts) {
215 int expected_channels = 8;
216 ChannelLayout expected_layout = CHANNEL_LAYOUT_DISCRETE;
217
218 AudioParameters params(AudioParameters::AUDIO_PCM_LOW_LATENCY,
219 expected_layout, 44100, 16, 880);
220 params.set_channels_for_discrete(expected_channels);
221 EXPECT_EQ(expected_channels, params.channels());
222 EXPECT_EQ(expected_layout, params.channel_layout());
223 EXPECT_TRUE(params.IsValid());
224 }
225
226 } // namespace media
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