diff options
Diffstat (limited to 'src/plugins/avfoundation/camera/avfcameraviewfindersettingscontrol.h')
-rw-r--r-- | src/plugins/avfoundation/camera/avfcameraviewfindersettingscontrol.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/plugins/avfoundation/camera/avfcameraviewfindersettingscontrol.h b/src/plugins/avfoundation/camera/avfcameraviewfindersettingscontrol.h new file mode 100644 index 000000000..d2864c62a --- /dev/null +++ b/src/plugins/avfoundation/camera/avfcameraviewfindersettingscontrol.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef AVFCAMERAVIEWFINDERSETTINGSCONTROL_H +#define AVFCAMERAVIEWFINDERSETTINGSCONTROL_H + +#include <QtMultimedia/qcameraviewfindersettingscontrol.h> +#include <QtMultimedia/qcameraviewfindersettings.h> +#include <QtMultimedia/qvideoframe.h> + +#include <QtCore/qglobal.h> +#include <QtCore/qsize.h> + +@class AVCaptureDevice; +@class AVCaptureVideoDataOutput; +@class AVCaptureConnection; +@class AVCaptureDeviceFormat; + +QT_BEGIN_NAMESPACE + +class AVFCameraSession; +class AVFCameraService; + +class AVFCameraViewfinderSettingsControl2 : public QCameraViewfinderSettingsControl2 +{ + Q_OBJECT + + friend class AVFCameraSession; +public: + AVFCameraViewfinderSettingsControl2(AVFCameraService *service); + + QList<QCameraViewfinderSettings> supportedViewfinderSettings() const Q_DECL_OVERRIDE; + QCameraViewfinderSettings viewfinderSettings() const Q_DECL_OVERRIDE; + void setViewfinderSettings(const QCameraViewfinderSettings &settings) Q_DECL_OVERRIDE; + + // "Converters": + static QVideoFrame::PixelFormat QtPixelFormatFromCVFormat(unsigned avPixelFormat); + static bool CVPixelFormatFromQtFormat(QVideoFrame::PixelFormat qtFormat, unsigned &conv); + +private: + void setResolution(const QSize &resolution); + void setFramerate(qreal minFPS, qreal maxFPS, bool useActive); + void setPixelFormat(QVideoFrame::PixelFormat newFormat); + AVCaptureDeviceFormat *findBestFormatMatch(const QCameraViewfinderSettings &settings) const; + bool convertPixelFormatIfSupported(QVideoFrame::PixelFormat format, unsigned &avfFormat) const; + void applySettings(); + QCameraViewfinderSettings requestedSettings() const; + // Aux. function to extract things like captureDevice, videoOutput, etc. + bool updateAVFoundationObjects() const; + + AVFCameraService *m_service; + mutable AVFCameraSession *m_session; + QCameraViewfinderSettings m_settings; + mutable AVCaptureDevice *m_captureDevice; + mutable AVCaptureVideoDataOutput *m_videoOutput; + mutable AVCaptureConnection *m_videoConnection; +}; + +QT_END_NAMESPACE + +#endif |