Warning, file /plasma/plasma-pa/src/speakertest.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     SPDX-FileCopyrightText: 2014-2015 Harald Sitter <sitter@kde.org>
     SPDX-FileCopyrightText: 2021 Nicolas Fella
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include "speakertest.h"
 
 #include "canberracontext.h"
 #include "soundthemeconfig.h"
 
 namespace
 {
 struct CallbackData {
     SpeakerTest *object = nullptr;
     QString name;
 };
 
 // Wrapper for camberra *ca_finish_callback_t
 void finish_callback(ca_context *c, unsigned int id, int error_code, void *userdata)
 {
     Q_UNUSED(c)
     Q_UNUSED(id)
 
     if (userdata == nullptr) {
         return;
     }
 
     auto *cb_data = static_cast<CallbackData *>(userdata);
     cb_data->object->playingFinished(cb_data->name, error_code);
 
     delete (cb_data);
 };
 }
 
 SpeakerTest::SpeakerTest(QObject *parent)
     : QObject(parent)
     , m_config(new SoundThemeConfig(this))
 {
 }
 
 QPulseAudio::Sink *SpeakerTest::sink() const
 {
     return m_sink;
 }
 
 void SpeakerTest::setSink(QPulseAudio::Sink *sink)
 {
     if (m_sink != sink) {
         m_sink = sink;
         Q_EMIT sinkChanged();
     }
 }
 
 void SpeakerTest::testChannel(const QString &name)
 {
     auto context = QPulseAudio::CanberraContext::instance()->canberra();
     if (!context) {
         return;
     }
 
     m_playingChannels << name;
     Q_EMIT playingChannelsChanged();
 
     ca_context_set_driver(context, "pulse");
 
     char dev[64];
     snprintf(dev, sizeof(dev), "%lu", (unsigned long)m_sink->index());
     ca_context_change_device(context, dev);
 
     void *cb_data = new CallbackData{this, name};
 
     ca_proplist *proplist;
     ca_proplist_create(&proplist);
 
     ca_proplist_sets(proplist, CA_PROP_MEDIA_ROLE, "test");
     ca_proplist_sets(proplist, CA_PROP_MEDIA_NAME, name.toLatin1().constData());
     ca_proplist_sets(proplist, CA_PROP_CANBERRA_FORCE_CHANNEL, name.toLatin1().data());
     ca_proplist_sets(proplist, CA_PROP_CANBERRA_ENABLE, "1");
     ca_proplist_sets(proplist, CA_PROP_CANBERRA_XDG_THEME_NAME, m_config->soundTheme().toLatin1().constData());
 
     // there is no subwoofer sound in the freedesktop theme https://gitlab.freedesktop.org/xdg/xdg-sound-theme/-/issues/7
     const QString sound_name = (name == QLatin1String("lfe")) ? QStringLiteral("audio-channel-rear-center") : QStringLiteral("audio-channel-%1").arg(name);
 
     int error_code = CA_SUCCESS;
     for (const QString &soundName : {sound_name,
                                      QStringLiteral("audio-test-signal"), // Fallback sounds
                                      QStringLiteral("bell-window-system"),
                                      QString()}) {
         if (soundName.isEmpty()) {
             // We are here because all of the fallback sounds failed to play
             playingFinished(name, error_code);
             break;
         }
 
         ca_proplist_sets(proplist, CA_PROP_EVENT_ID, soundName.toLatin1().data());
         error_code = ca_context_play_full(context, 0, proplist, finish_callback, cb_data);
         if (error_code == CA_SUCCESS) {
             break;
         }
     }
 
     ca_context_change_device(context, nullptr);
     ca_proplist_destroy(proplist);
 }
 
 QStringList SpeakerTest::playingChannels() const
 {
     return m_playingChannels;
 }
 
 void SpeakerTest::playingFinished(const QString &name, int errorCode)
 {
     m_playingChannels.removeOne(name);
     Q_EMIT playingChannelsChanged();
 
     if (errorCode != CA_SUCCESS) {
         Q_EMIT showErrorMessage(ca_strerror(errorCode));
     };
 }