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
|
/*
* Copyright (C) 2016 The Qt Company Ltd.
* Copyright (C) 2016,2017 Konsulko Group
* Copyright (C) 2018 IoT.bzh
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <QJsonArray>
#include <QJsonObject>
#include <QTimer>
#include <QtDebug>
#include "mixer.hpp"
Mixer::Mixer(QObject* parent)
: QObject(parent)
{
connect(&m_client, SIGNAL(connected()), this, SLOT(onClientConnected()));
connect(&m_client, SIGNAL(disconnected()), this, SLOT(onClientDisconnected()));
connect(&m_client, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onClientError(QAbstractSocket::SocketError)));
connect(&m_client, SIGNAL(eventReceived(QString, const QJsonValue&)), this, SLOT(onClientEventReceived(QString, const QJsonValue&)));
}
void Mixer::open(const QUrl& url)
{
m_url = url;
TryOpen();
}
QList<QObject*> Mixer::roles() const
{
return m_roles;
}
void Mixer::setRoleVolume(AudioRole* role)
{
if (role == nullptr) return;
QJsonObject arg;
arg.insert("control", role->Name().toLocal8Bit().data());
arg.insert("value", QJsonValue(role->Value()));
m_client.call("audiomixer", "volume", arg);
}
void Mixer::parseControls(const QJsonValue & v)
{
qDebug() << "got controls: " << v;
for(QObject* role : m_roles) delete role;
m_roles.clear();
for (const QJsonValue & av : v.toArray()) {
QString name = av.toObject()["control"].toString();
int value = av.toObject()["volume"].toDouble() * 100;
value = qBound(0, value, 100);
AudioRole *ar = new AudioRole(name, value);
connect(ar, SIGNAL(ValueChanged()), this, SLOT(onRoleValueChanged()));
m_roles.append(ar);
qDebug() << "added role: " << ar->Name()
<< " value: " << ar->Value();
}
emit rolesChanged();
}
void Mixer::onClientConnected()
{
m_client.call("audiomixer", "list_controls", QJsonObject(), [this](bool r, const QJsonValue& v) {
if (r && v.isObject()) {
parseControls(v.toObject()["response"]);
}
QJsonObject arg;
arg.insert("event", "controls_changed");
m_client.call("audiomixer", "subscribe", arg);
arg.insert("event", "volume_changed");
m_client.call("audiomixer", "subscribe", arg);
});
}
void Mixer::onClientDisconnected()
{
qDebug() << "Mixer::onClientDisconnected!";
QTimer::singleShot(1000, this, SLOT(TryOpen()));
}
void Mixer::onClientError(QAbstractSocket::SocketError se)
{
qDebug() << "Mixer::onClientError: " << se;
}
void Mixer::onClientEventReceived(QString eventName, const QJsonValue& data)
{
qDebug() << "Mixer::onClientEventReceived[" << eventName << "]: " << data;
if (eventName == "audiomixer/controls_changed") {
m_client.call("audiomixer", "list_controls", QJsonObject(), [this](bool r, const QJsonValue& v) {
if (r && v.isObject()) {
parseControls(v.toObject()["response"]);
}
});
}
else if (eventName == "audiomixer/volume_changed") {
QString name = data.toObject()["control"].toString();
int value = data.toObject()["value"].toDouble() * 100;
value = qBound(0, value, 100);
for (QObject *o : m_roles) {
AudioRole *ar = static_cast<AudioRole*>(o);
if (ar->Name() == name) {
ar->BeginUpdate();
ar->setValue(value);
break;
}
}
}
}
void Mixer::onRoleValueChanged()
{
AudioRole* role = qobject_cast<AudioRole*>(QObject::sender());
if (role == nullptr) return;
/* if the role was not being updated by us, it was modified from the UI,
in which case we have to set it to the backend */
if (!role->EndUpdate())
setRoleVolume(role);
}
void Mixer::TryOpen()
{
qDebug() << "Mixer::TryOpen: " << m_url;
m_client.open(m_url);
}
|
