1 // Copyright (c) 2013 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 "chromeos/audio/audio_device.h"
6
7 #include "base/format_macros.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "base/strings/stringprintf.h"
10 #include "base/strings/utf_string_conversions.h"
11
12 namespace {
13
14 // Get the priority for a particular device type. The priority returned
15 // will be between 0 to 3, the higher number meaning a higher priority.
GetDevicePriority(chromeos::AudioDeviceType type)16 uint8 GetDevicePriority(chromeos::AudioDeviceType type) {
17 switch (type) {
18 // Fall through.
19 case chromeos::AUDIO_TYPE_HEADPHONE:
20 case chromeos::AUDIO_TYPE_MIC:
21 case chromeos::AUDIO_TYPE_USB:
22 case chromeos::AUDIO_TYPE_BLUETOOTH:
23 return 3;
24 case chromeos::AUDIO_TYPE_HDMI:
25 return 2;
26 // Fall through.
27 case chromeos::AUDIO_TYPE_INTERNAL_SPEAKER:
28 case chromeos::AUDIO_TYPE_INTERNAL_MIC:
29 return 1;
30 // Fall through.
31 case chromeos::AUDIO_TYPE_OTHER:
32 default:
33 return 0;
34 }
35 }
36
GetTypeString(chromeos::AudioDeviceType type)37 std::string GetTypeString(chromeos::AudioDeviceType type) {
38 switch (type) {
39 case chromeos::AUDIO_TYPE_HEADPHONE:
40 return "HEADPHONE";
41 case chromeos::AUDIO_TYPE_MIC:
42 return "MIC";
43 case chromeos::AUDIO_TYPE_USB:
44 return "USB";
45 case chromeos::AUDIO_TYPE_BLUETOOTH:
46 return "BLUETOOTH";
47 case chromeos::AUDIO_TYPE_HDMI:
48 return "HDMI";
49 case chromeos::AUDIO_TYPE_INTERNAL_SPEAKER:
50 return "INTERNAL_SPEAKER";
51 case chromeos::AUDIO_TYPE_INTERNAL_MIC:
52 return "INTERNAL_MIC";
53 case chromeos::AUDIO_TYPE_OTHER:
54 default:
55 return "OTHER";
56 }
57 }
58
GetAudioType(const std::string & node_type)59 chromeos::AudioDeviceType GetAudioType(const std::string& node_type) {
60 if (node_type.find("HEADPHONE") != std::string::npos)
61 return chromeos::AUDIO_TYPE_HEADPHONE;
62 else if (node_type.find("INTERNAL_MIC") != std::string::npos)
63 return chromeos::AUDIO_TYPE_INTERNAL_MIC;
64 else if (node_type.find("MIC") != std::string::npos)
65 return chromeos::AUDIO_TYPE_MIC;
66 else if (node_type.find("USB") != std::string::npos)
67 return chromeos::AUDIO_TYPE_USB;
68 else if (node_type.find("BLUETOOTH") != std::string::npos)
69 return chromeos::AUDIO_TYPE_BLUETOOTH;
70 else if (node_type.find("HDMI") != std::string::npos)
71 return chromeos::AUDIO_TYPE_HDMI;
72 else if (node_type.find("INTERNAL_SPEAKER") != std::string::npos)
73 return chromeos::AUDIO_TYPE_INTERNAL_SPEAKER;
74 else
75 return chromeos::AUDIO_TYPE_OTHER;
76 }
77
78 } // namespace
79
80 namespace chromeos {
81
AudioDevice()82 AudioDevice::AudioDevice()
83 : is_input(false),
84 id(0),
85 display_name(""),
86 type(AUDIO_TYPE_OTHER),
87 priority(0),
88 active(false),
89 plugged_time(0) {
90 }
91
AudioDevice(const AudioNode & node)92 AudioDevice::AudioDevice(const AudioNode& node) {
93 is_input = node.is_input;
94 id = node.id;
95 type = GetAudioType(node.type);
96 if (!node.name.empty() && node.name != "(default)")
97 display_name = node.name;
98 else
99 display_name = node.device_name;
100 device_name = node.device_name;
101 priority = GetDevicePriority(type);
102 active = node.active;
103 plugged_time = node.plugged_time;
104 }
105
ToString() const106 std::string AudioDevice::ToString() const {
107 std::string result;
108 base::StringAppendF(&result,
109 "is_input = %s ",
110 is_input ? "true" : "false");
111 base::StringAppendF(&result,
112 "id = 0x%" PRIx64 " ",
113 id);
114 base::StringAppendF(&result,
115 "display_name = %s ",
116 display_name.c_str());
117 base::StringAppendF(&result,
118 "device_name = %s ",
119 device_name.c_str());
120 base::StringAppendF(&result,
121 "type = %s ",
122 GetTypeString(type).c_str());
123 base::StringAppendF(&result,
124 "active = %s ",
125 active ? "true" : "false");
126 base::StringAppendF(&result,
127 "plugged_time= %s ",
128 base::Uint64ToString(plugged_time).c_str());
129
130 return result;
131 }
132
133 } // namespace chromeos
134