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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, kleines Filmröllchen <filmroellchen@serenityos.org>
* Copyright (c) 2021, David Isaksson <davidisaksson93@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Variant.h>
#include <AK/Vector.h>
#include <LibAudio/Buffer.h>
#include <LibAudio/ConnectionFromClient.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <math.h>
#include <stdio.h>
#include <sys/ioctl.h>
enum AudioVariable : u32 {
Volume,
Mute,
SampleRate
};
// asctl: audio server control utility
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Core::EventLoop loop;
auto audio_client = TRY(Audio::ConnectionFromClient::try_create());
String command = String::empty();
Vector<StringView> command_arguments;
bool human_mode = false;
Core::ArgsParser args_parser;
args_parser.set_general_help("Send control signals to the audio server and hardware.");
args_parser.add_option(human_mode, "Print human-readable output", "human-readable", 'h');
args_parser.add_positional_argument(command, "Command, either (g)et or (s)et\n\n\tThe get command accepts a list of variables to print.\n\tThey are printed in the given order.\n\tIf no value is specified, all are printed.\n\n\tThe set command accepts a any number of variables\n\tfollowed by the value they should be set to.\n\n\tPossible variables are (v)olume, (m)ute, sample(r)ate.\n", "command");
args_parser.add_positional_argument(command_arguments, "Arguments for the command", "args", Core::ArgsParser::Required::No);
args_parser.parse(arguments);
TRY(Core::System::unveil(nullptr, nullptr));
TRY(Core::System::pledge("stdio rpath wpath recvfd", nullptr));
if (command.equals_ignoring_case("get") || command == "g") {
// Get variables
Vector<AudioVariable> values_to_print;
if (command_arguments.is_empty()) {
values_to_print.append(AudioVariable::Volume);
values_to_print.append(AudioVariable::Mute);
values_to_print.append(AudioVariable::SampleRate);
} else {
for (auto& variable : command_arguments) {
if (variable.is_one_of("v"sv, "volume"sv))
values_to_print.append(AudioVariable::Volume);
else if (variable.is_one_of("m"sv, "mute"sv))
values_to_print.append(AudioVariable::Mute);
else if (variable.is_one_of("r"sv, "samplerate"sv))
values_to_print.append(AudioVariable::SampleRate);
else {
warnln("Error: Unrecognized variable {}", variable);
return 1;
}
}
}
for (auto to_print : values_to_print) {
switch (to_print) {
case AudioVariable::Volume: {
auto volume = static_cast<int>(round(audio_client->get_main_mix_volume() * 100));
if (human_mode)
outln("Volume: {}%", volume);
else
out("{} ", volume);
break;
}
case AudioVariable::Mute: {
bool muted = audio_client->is_main_mix_muted();
if (human_mode)
outln("Muted: {}", muted ? "Yes" : "No");
else
out("{} ", muted ? 1 : 0);
break;
}
case AudioVariable::SampleRate: {
u32 sample_rate = audio_client->get_sample_rate();
if (human_mode)
outln("Sample rate: {:5d} Hz", sample_rate);
else
out("{} ", sample_rate);
break;
}
}
}
if (!human_mode)
outln();
} else if (command.equals_ignoring_case("set") || command == "s") {
// Set variables
HashMap<AudioVariable, Variant<int, bool>> values_to_set;
for (size_t i = 0; i < command_arguments.size(); ++i) {
if (i == command_arguments.size() - 1) {
warnln("Error: value missing for last variable");
return 1;
}
auto& variable = command_arguments[i];
if (variable.is_one_of("v"sv, "volume"sv)) {
auto volume = command_arguments[++i].to_int();
if (!volume.has_value()) {
warnln("Error: {} is not an integer volume", command_arguments[i - 1]);
return 1;
}
if (volume.value() < 0 || volume.value() > 100) {
warnln("Error: {} is not between 0 and 100", command_arguments[i - 1]);
return 1;
}
values_to_set.set(AudioVariable::Volume, volume.value());
} else if (variable.is_one_of("m"sv, "mute"sv)) {
auto& mute_text = command_arguments[++i];
bool mute;
if (mute_text.equals_ignoring_case("true") || mute_text == "1") {
mute = true;
} else if (mute_text.equals_ignoring_case("false") || mute_text == "0") {
mute = false;
} else {
warnln("Error: {} is not one of {{0, 1, true, false}}", mute_text);
return 1;
}
values_to_set.set(AudioVariable::Mute, mute);
} else if (variable.is_one_of("r"sv, "samplerate"sv)) {
auto sample_rate = command_arguments[++i].to_int();
if (!sample_rate.has_value()) {
warnln("Error: {} is not an integer sample rate", command_arguments[i - 1]);
return 1;
}
values_to_set.set(AudioVariable::SampleRate, sample_rate.value());
} else {
warnln("Error: Unrecognized variable {}", command_arguments[i]);
return 1;
}
}
for (auto to_set : values_to_set) {
switch (to_set.key) {
case AudioVariable::Volume: {
int& volume = to_set.value.get<int>();
audio_client->set_main_mix_volume(static_cast<double>(volume) / 100);
break;
}
case AudioVariable::Mute: {
bool& mute = to_set.value.get<bool>();
audio_client->set_main_mix_muted(mute);
break;
}
case AudioVariable::SampleRate: {
int& sample_rate = to_set.value.get<int>();
audio_client->set_sample_rate(sample_rate);
break;
}
}
}
}
return 0;
}
|
