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Diffstat (limited to 'src/plugins/avfoundation/camera/avfcamerafocuscontrol.mm')
| -rw-r--r-- | src/plugins/avfoundation/camera/avfcamerafocuscontrol.mm | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/plugins/avfoundation/camera/avfcamerafocuscontrol.mm b/src/plugins/avfoundation/camera/avfcamerafocuscontrol.mm deleted file mode 100644 index 265ccf3fd..000000000 --- a/src/plugins/avfoundation/camera/avfcamerafocuscontrol.mm +++ /dev/null @@ -1,306 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "avfcamerafocuscontrol.h" -#include "avfcamerautility.h" -#include "avfcameraservice.h" -#include "avfcamerasession.h" -#include "avfcameradebug.h" - -#include <QtCore/qdebug.h> - -#include <AVFoundation/AVFoundation.h> - -QT_BEGIN_NAMESPACE - -namespace { - -bool qt_focus_mode_supported(QCameraFocus::FocusModes mode) -{ - // Check if QCameraFocus::FocusMode has counterpart in AVFoundation. - - // AVFoundation has 'Manual', 'Auto' and 'Continuous', - // where 'Manual' is actually 'Locked' + writable property 'lensPosition'. - // Since Qt does not provide an API to manipulate a lens position, 'Maual' mode - // (at the moment) is not supported. - return mode == QCameraFocus::AutoFocus - || mode == QCameraFocus::ContinuousFocus; -} - -bool qt_focus_point_mode_supported(QCameraFocus::FocusPointMode mode) -{ - return mode == QCameraFocus::FocusPointAuto - || mode == QCameraFocus::FocusPointCustom - || mode == QCameraFocus::FocusPointCenter; -} - -AVCaptureFocusMode avf_focus_mode(QCameraFocus::FocusModes requestedMode) -{ - if (requestedMode == QCameraFocus::AutoFocus) - return AVCaptureFocusModeAutoFocus; - - return AVCaptureFocusModeContinuousAutoFocus; -} - -} - -AVFCameraFocusControl::AVFCameraFocusControl(AVFCameraService *service) - : m_session(service->session()), - m_focusMode(QCameraFocus::ContinuousFocus), - m_focusPointMode(QCameraFocus::FocusPointAuto), - m_customFocusPoint(0.5f, 0.5f), - m_actualFocusPoint(m_customFocusPoint) -{ - Q_ASSERT(m_session); - connect(m_session, SIGNAL(stateChanged(QCamera::State)), SLOT(cameraStateChanged())); -} - -QCameraFocus::FocusModes AVFCameraFocusControl::focusMode() const -{ - return m_focusMode; -} - -void AVFCameraFocusControl::setFocusMode(QCameraFocus::FocusModes mode) -{ - if (m_focusMode == mode) - return; - - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice) { - if (qt_focus_mode_supported(mode)) { - m_focusMode = mode; - Q_EMIT focusModeChanged(m_focusMode); - } else { - qDebugCamera() << Q_FUNC_INFO - << "focus mode not supported"; - } - return; - } - - if (isFocusModeSupported(mode)) { - const AVFConfigurationLock lock(captureDevice); - if (!lock) { - qDebugCamera() << Q_FUNC_INFO - << "failed to lock for configuration"; - return; - } - - captureDevice.focusMode = avf_focus_mode(mode); - m_focusMode = mode; - } else { - qDebugCamera() << Q_FUNC_INFO << "focus mode not supported"; - return; - } - - Q_EMIT focusModeChanged(m_focusMode); -} - -bool AVFCameraFocusControl::isFocusModeSupported(QCameraFocus::FocusModes mode) const -{ - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice) - return false; - - if (!qt_focus_mode_supported(mode)) - return false; - - return [captureDevice isFocusModeSupported:avf_focus_mode(mode)]; -} - -QCameraFocus::FocusPointMode AVFCameraFocusControl::focusPointMode() const -{ - return m_focusPointMode; -} - -void AVFCameraFocusControl::setFocusPointMode(QCameraFocus::FocusPointMode mode) -{ - if (m_focusPointMode == mode) - return; - - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice) { - if (qt_focus_point_mode_supported(mode)) { - m_focusPointMode = mode; - Q_EMIT focusPointModeChanged(mode); - } - return; - } - - if (isFocusPointModeSupported(mode)) { - const AVFConfigurationLock lock(captureDevice); - if (!lock) { - qDebugCamera() << Q_FUNC_INFO << "failed to lock for configuration"; - return; - } - - bool resetPOI = false; - if (mode == QCameraFocus::FocusPointCenter || mode == QCameraFocus::FocusPointAuto) { - if (m_actualFocusPoint != QPointF(0.5, 0.5)) { - m_actualFocusPoint = QPointF(0.5, 0.5); - resetPOI = true; - } - } else if (mode == QCameraFocus::FocusPointCustom) { - if (m_actualFocusPoint != m_customFocusPoint) { - m_actualFocusPoint = m_customFocusPoint; - resetPOI = true; - } - } // else for any other mode in future. - - if (resetPOI) { - const CGPoint focusPOI = CGPointMake(m_actualFocusPoint.x(), m_actualFocusPoint.y()); - [captureDevice setFocusPointOfInterest:focusPOI]; - } - m_focusPointMode = mode; - } else { - qDebugCamera() << Q_FUNC_INFO << "focus point mode is not supported"; - return; - } - - Q_EMIT focusPointModeChanged(mode); -} - -bool AVFCameraFocusControl::isFocusPointModeSupported(QCameraFocus::FocusPointMode mode) const -{ - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice) - return false; - - if (!qt_focus_point_mode_supported(mode)) - return false; - - return [captureDevice isFocusPointOfInterestSupported]; -} - -QPointF AVFCameraFocusControl::customFocusPoint() const -{ - return m_customFocusPoint; -} - -void AVFCameraFocusControl::setCustomFocusPoint(const QPointF &point) -{ - if (m_customFocusPoint == point) - return; - - if (!QRectF(0.f, 0.f, 1.f, 1.f).contains(point)) { - qDebugCamera() << Q_FUNC_INFO << "invalid focus point (out of range)"; - return; - } - - m_customFocusPoint = point; - Q_EMIT customFocusPointChanged(m_customFocusPoint); - - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice || m_focusPointMode != QCameraFocus::FocusPointCustom) - return; - - if ([captureDevice isFocusPointOfInterestSupported]) { - const AVFConfigurationLock lock(captureDevice); - if (!lock) { - qDebugCamera() << Q_FUNC_INFO << "failed to lock for configuration"; - return; - } - - m_actualFocusPoint = m_customFocusPoint; - const CGPoint focusPOI = CGPointMake(point.x(), point.y()); - [captureDevice setFocusPointOfInterest:focusPOI]; - if (m_focusMode != QCameraFocus::ContinuousFocus) - [captureDevice setFocusMode:AVCaptureFocusModeAutoFocus]; - } else { - qDebugCamera() << Q_FUNC_INFO << "focus point of interest not supported"; - return; - } -} - -QCameraFocusZoneList AVFCameraFocusControl::focusZones() const -{ - // Unsupported. - return QCameraFocusZoneList(); -} - -void AVFCameraFocusControl::cameraStateChanged() -{ - if (m_session->state() != QCamera::ActiveState) - return; - - AVCaptureDevice *captureDevice = m_session->videoCaptureDevice(); - if (!captureDevice) { - qDebugCamera() << Q_FUNC_INFO << "capture device is nil in 'active' state"; - return; - } - - const AVFConfigurationLock lock(captureDevice); - if (m_customFocusPoint != m_actualFocusPoint - && m_focusPointMode == QCameraFocus::FocusPointCustom) { - if (![captureDevice isFocusPointOfInterestSupported]) { - qDebugCamera() << Q_FUNC_INFO - << "focus point of interest not supported"; - return; - } - - if (!lock) { - qDebugCamera() << Q_FUNC_INFO << "failed to lock for configuration"; - return; - } - - m_actualFocusPoint = m_customFocusPoint; - const CGPoint focusPOI = CGPointMake(m_customFocusPoint.x(), m_customFocusPoint.y()); - [captureDevice setFocusPointOfInterest:focusPOI]; - } - - if (m_focusMode != QCameraFocus::ContinuousFocus) { - const AVCaptureFocusMode avMode = avf_focus_mode(m_focusMode); - if (captureDevice.focusMode != avMode) { - if (![captureDevice isFocusModeSupported:avMode]) { - qDebugCamera() << Q_FUNC_INFO << "focus mode not supported"; - return; - } - - if (!lock) { - qDebugCamera() << Q_FUNC_INFO << "failed to lock for configuration"; - return; - } - - [captureDevice setFocusMode:avMode]; - } - } -} - -QT_END_NAMESPACE - -#include "moc_avfcamerafocuscontrol.cpp" |