1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "build/build_config.h"
#include "media/base/audio_hardware_config.h"
#include "media/audio/audio_parameters.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
static const int kOutputBufferSize = 2048;
static const int kOutputSampleRate = 48000;
static const ChannelLayout kOutputChannelLayout = CHANNEL_LAYOUT_STEREO;
static const int kInputSampleRate = 44100;
static const ChannelLayout kInputChannelLayout = CHANNEL_LAYOUT_STEREO;
TEST(AudioHardwareConfig, Getters) {
AudioParameters input_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kInputChannelLayout,
kInputSampleRate,
16,
kOutputBufferSize);
AudioParameters output_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
kOutputSampleRate,
16,
kOutputBufferSize);
AudioHardwareConfig fake_config(input_params, output_params);
EXPECT_EQ(kOutputBufferSize, fake_config.GetOutputBufferSize());
EXPECT_EQ(kOutputSampleRate, fake_config.GetOutputSampleRate());
EXPECT_EQ(kInputSampleRate, fake_config.GetInputSampleRate());
EXPECT_EQ(kInputChannelLayout, fake_config.GetInputChannelLayout());
}
TEST(AudioHardwareConfig, Setters) {
AudioParameters input_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kInputChannelLayout,
kInputSampleRate,
16,
kOutputBufferSize);
AudioParameters output_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
kOutputSampleRate,
16,
kOutputBufferSize);
AudioHardwareConfig fake_config(input_params, output_params);
// Verify output parameters.
const int kNewOutputBufferSize = kOutputBufferSize * 2;
const int kNewOutputSampleRate = kOutputSampleRate * 2;
EXPECT_NE(kNewOutputBufferSize, fake_config.GetOutputBufferSize());
EXPECT_NE(kNewOutputSampleRate, fake_config.GetOutputSampleRate());
AudioParameters new_output_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
kNewOutputSampleRate,
16,
kNewOutputBufferSize);
fake_config.UpdateOutputConfig(new_output_params);
EXPECT_EQ(kNewOutputBufferSize, fake_config.GetOutputBufferSize());
EXPECT_EQ(kNewOutputSampleRate, fake_config.GetOutputSampleRate());
// Verify input parameters.
const int kNewInputSampleRate = kInputSampleRate * 2;
const ChannelLayout kNewInputChannelLayout = CHANNEL_LAYOUT_MONO;
EXPECT_NE(kNewInputSampleRate, fake_config.GetInputSampleRate());
EXPECT_NE(kNewInputChannelLayout, fake_config.GetInputChannelLayout());
AudioParameters new_input_params(
AudioParameters::AUDIO_PCM_LOW_LATENCY,
kNewInputChannelLayout,
kNewInputSampleRate,
16,
kOutputBufferSize);
fake_config.UpdateInputConfig(new_input_params);
EXPECT_EQ(kNewInputSampleRate, fake_config.GetInputSampleRate());
EXPECT_EQ(kNewInputChannelLayout, fake_config.GetInputChannelLayout());
}
TEST(AudioHardwareConfig, HighLatencyBufferSizes) {
AudioParameters input_params(AudioParameters::AUDIO_PCM_LOW_LATENCY,
kInputChannelLayout,
kInputSampleRate,
16,
kOutputBufferSize);
AudioParameters output_params(AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
3200,
16,
32);
AudioHardwareConfig fake_config(input_params, output_params);
#if defined(OS_WIN)
for (int i = 6400; i <= 204800; i *= 2) {
fake_config.UpdateOutputConfig(
AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
i,
16,
i / 100));
EXPECT_EQ(2 * (i / 100), fake_config.GetHighLatencyBufferSize());
}
#else
EXPECT_EQ(64, fake_config.GetHighLatencyBufferSize());
for (int i = 6400; i <= 204800; i *= 2) {
fake_config.UpdateOutputConfig(
AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
kOutputChannelLayout,
i,
16,
32));
EXPECT_EQ(2 * (i / 100), fake_config.GetHighLatencyBufferSize());
}
#endif // defined(OS_WIN)
}
} // namespace content
|
