Revision control
++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qwindowscamera_p.h"
++
++ #include <mediacapture/qwindowsmediacapture_p.h>
++ #include <mediacapture/qwindowsmediadevicesession_p.h>
++
++ #include <QtMultimedia/qcameradevice.h>
++
++ QT_BEGIN_NAMESPACE
++
++ QWindowsCamera::QWindowsCamera(QCamera *camera)
++ : QPlatformCamera(camera)
++ {
++ }
++
++ QWindowsCamera::~QWindowsCamera() = default;
++
++ bool QWindowsCamera::isActive() const
++ {
++ return m_active;
++ }
++
++ void QWindowsCamera::setActive(bool active)
++ {
++ if (m_active == active)
++ return;
++ if (m_cameraDevice.isNull() && active)
++ return;
++ m_active = active;
++ if (m_mediaDeviceSession)
++ m_mediaDeviceSession->setActive(active);
++
++ Q_EMIT activeChanged(m_active);
++ }
++
++ void QWindowsCamera::setCamera(const QCameraDevice &camera)
++ {
++ if (m_cameraDevice == camera)
++ return;
++ m_cameraDevice = camera;
++ if (m_mediaDeviceSession)
++ m_mediaDeviceSession->setActiveCamera(camera);
++ }
++
++ void QWindowsCamera::setCaptureSession(QPlatformMediaCaptureSession *session)
++ {
++ QWindowsMediaCaptureService *captureService = static_cast<QWindowsMediaCaptureService *>(session);
++ if (m_captureService == captureService)
++ return;
++
++ if (m_mediaDeviceSession) {
++ m_mediaDeviceSession->disconnect(this);
++ m_mediaDeviceSession->setActive(false);
++ m_mediaDeviceSession->setCameraFormat({});
++ m_mediaDeviceSession->setActiveCamera({});
++ }
++
++ m_captureService = captureService;
++ if (!m_captureService) {
++ m_mediaDeviceSession = nullptr;
++ return;
++ }
++
++ m_mediaDeviceSession = m_captureService->session();
++ Q_ASSERT(m_mediaDeviceSession);
++
++ m_mediaDeviceSession->setActive(false);
++ m_mediaDeviceSession->setActiveCamera(m_cameraDevice);
++ m_mediaDeviceSession->setCameraFormat(m_cameraFormat);
++ m_mediaDeviceSession->setActive(m_active);
++
++ connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::activeChanged,
++ this, &QWindowsCamera::onActiveChanged);
++ }
++
++ bool QWindowsCamera::setCameraFormat(const QCameraFormat &format)
++ {
++ if (!format.isNull() && !m_cameraDevice.videoFormats().contains(format))
++ return false;
++
++ m_cameraFormat = format.isNull() ? findBestCameraFormat(m_cameraDevice) : format;
++
++ if (m_mediaDeviceSession)
++ m_mediaDeviceSession->setCameraFormat(m_cameraFormat);
++ return true;
++ }
++
++ void QWindowsCamera::onActiveChanged(bool active)
++ {
++ if (m_active == active)
++ return;
++ if (m_cameraDevice.isNull() && active)
++ return;
++ m_active = active;
++ Q_EMIT activeChanged(m_active);
++ }
++
++ QT_END_NAMESPACE
++
++ #include "moc_qwindowscamera_p.cpp"