109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2018-2020 Red Hat Inc
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SPDX-FileCopyrightText: 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
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SPDX-FileContributor: Jan Grulich <jgrulich@redhat.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include "pipewirecore.h"
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#include "kwinscreencast_logging.h"
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#include <KLocalizedString>
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#include <QDebug>
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#include <QSocketNotifier>
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namespace KWin
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{
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PipeWireCore::PipeWireCore()
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{
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pw_init(nullptr, nullptr);
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pwCoreEvents.version = PW_VERSION_CORE_EVENTS;
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pwCoreEvents.error = &PipeWireCore::onCoreError;
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}
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PipeWireCore::~PipeWireCore()
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{
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if (pwMainLoop) {
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pw_loop_leave(pwMainLoop);
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}
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if (pwCore) {
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pw_core_disconnect(pwCore);
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}
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if (pwContext) {
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pw_context_destroy(pwContext);
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}
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if (pwMainLoop) {
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pw_loop_destroy(pwMainLoop);
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}
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}
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void PipeWireCore::onCoreError(void* data, uint32_t id, int seq, int res, const char* message)
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{
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Q_UNUSED(seq)
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qCWarning(KWIN_SCREENCAST) << "PipeWire remote error: " << message;
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if (id == PW_ID_CORE && res == -EPIPE) {
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PipeWireCore *pw = static_cast<PipeWireCore*>(data);
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Q_EMIT pw->pipewireFailed(QString::fromUtf8(message));
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}
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}
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bool PipeWireCore::init()
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{
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pwMainLoop = pw_loop_new(nullptr);
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pw_loop_enter(pwMainLoop);
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QSocketNotifier *notifier = new QSocketNotifier(pw_loop_get_fd(pwMainLoop), QSocketNotifier::Read, this);
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connect(notifier, &QSocketNotifier::activated, this, [this] {
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int result = pw_loop_iterate (pwMainLoop, 0);
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if (result < 0)
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qCWarning(KWIN_SCREENCAST) << "pipewire_loop_iterate failed: " << result;
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}
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);
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pwContext = pw_context_new(pwMainLoop, nullptr, 0);
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if (!pwContext) {
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qCWarning(KWIN_SCREENCAST) << "Failed to create PipeWire context";
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m_error = i18n("Failed to create PipeWire context");
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return false;
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}
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pwCore = pw_context_connect(pwContext, nullptr, 0);
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if (!pwCore) {
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qCWarning(KWIN_SCREENCAST) << "Failed to connect PipeWire context";
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m_error = i18n("Failed to connect PipeWire context");
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return false;
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}
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if (pw_loop_iterate(pwMainLoop, 0) < 0) {
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qCWarning(KWIN_SCREENCAST) << "Failed to start main PipeWire loop";
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m_error = i18n("Failed to start main PipeWire loop");
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return false;
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}
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pw_core_add_listener(pwCore, &coreListener, &pwCoreEvents, this);
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return true;
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}
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QSharedPointer< PipeWireCore > PipeWireCore::self()
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{
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static QWeakPointer<PipeWireCore> global;
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QSharedPointer<PipeWireCore> ret;
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if (global) {
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ret = global.toStrongRef();
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} else {
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ret.reset(new PipeWireCore);
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ret->init();
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global = ret;
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}
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return ret;
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}
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} // namespace KWin
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