qt-everywhere-src-5.15.1/qtmultimedia/src/plugins/winrt/qwinrtcameraservice.cpp

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#include "qwinrtcameraservice.h"
#include "qwinrtcameracontrol.h"
#include "qwinrtcamerainfocontrol.h"
#include "qwinrtvideoprobecontrol.h"
#include "qwinrtcameravideorenderercontrol.h"

#include <QtCore/QCoreApplication>
#include <QtCore/qfunctions_winrt.h>
#include <QtCore/QPointer>
#include <QtMultimedia/QCameraImageCaptureControl>
#include <QtMultimedia/QVideoRendererControl>
#include <QtMultimedia/QVideoDeviceSelectorControl>
#include <QtMultimedia/QImageEncoderControl>
#include <QtMultimedia/QCameraFlashControl>
#include <QtMultimedia/QCameraFocusControl>
#include <QtMultimedia/QCameraLocksControl>
#include <QtMultimedia/QMediaVideoProbeControl>

QT_BEGIN_NAMESPACE

class QWinRTCameraServicePrivate
{
public:
    QPointer<QWinRTCameraControl> cameraControl;
    QPointer<QWinRTCameraInfoControl> cameraInfoControl;
};

QWinRTCameraService::QWinRTCameraService(QObject *parent)
    : QMediaService(parent), d_ptr(new QWinRTCameraServicePrivate)
{
}

QMediaControl *QWinRTCameraService::requestControl(const char *name)
{
    Q_D(QWinRTCameraService);

    if (qstrcmp(name, QCameraControl_iid) == 0) {
        if (!d->cameraControl)
            d->cameraControl = new QWinRTCameraControl(this);
        return d->cameraControl;
    }
    if (qstrcmp(name, QCameraInfoControl_iid) == 0) {
        if (!d->cameraInfoControl)
            d->cameraInfoControl = new QWinRTCameraInfoControl(this);
        return d->cameraInfoControl;
    }

    if (!d->cameraControl)
        return nullptr;

    if (qstrcmp(name, QVideoRendererControl_iid) == 0)
        return d->cameraControl->videoRenderer();

    if (qstrcmp(name, QVideoDeviceSelectorControl_iid) == 0)
       return d->cameraControl->videoDeviceSelector();

    if (qstrcmp(name, QCameraImageCaptureControl_iid) == 0)
        return d->cameraControl->imageCaptureControl();

    if (qstrcmp(name, QImageEncoderControl_iid) == 0)
        return d->cameraControl->imageEncoderControl();

    if (qstrcmp(name, QCameraFlashControl_iid) == 0)
        return d->cameraControl->cameraFlashControl();

    if (qstrcmp(name, QCameraFocusControl_iid) == 0)
        return d->cameraControl->cameraFocusControl();

    if (qstrcmp(name, QCameraLocksControl_iid) == 0)
        return d->cameraControl->cameraLocksControl();

    if (qstrcmp(name, QMediaVideoProbeControl_iid) == 0)
        return new QWinRTVideoProbeControl(qobject_cast<QWinRTCameraVideoRendererControl *>(d->cameraControl->videoRenderer()));

    return nullptr;
}

void QWinRTCameraService::releaseControl(QMediaControl *control)
{
    Q_ASSERT(control);
    if (QWinRTVideoProbeControl *videoProbe = qobject_cast<QWinRTVideoProbeControl *>(control))
        videoProbe->deleteLater();
}

QT_END_NAMESPACE