diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabincontrol.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabincontrol.cpp | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabincontrol.cpp b/src/plugins/gstreamer/camerabin/camerabincontrol.cpp deleted file mode 100644 index 155887054..000000000 --- a/src/plugins/gstreamer/camerabin/camerabincontrol.cpp +++ /dev/null @@ -1,309 +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 <QtMultimedia/private/qtmultimediaglobal_p.h> -#include "camerabincontrol.h" -#include "camerabincontainer.h" -#include "camerabinaudioencoder.h" -#include "camerabinvideoencoder.h" -#include "camerabinimageencoder.h" -#include "camerabinresourcepolicy.h" - -#include <QtCore/qdebug.h> -#include <QtCore/qfile.h> -#include <QtCore/qmetaobject.h> - -QT_BEGIN_NAMESPACE - -//#define CAMEABIN_DEBUG 1 -#define ENUM_NAME(c,e,v) (c::staticMetaObject.enumerator(c::staticMetaObject.indexOfEnumerator(e)).valueToKey((v))) - -CameraBinControl::CameraBinControl(CameraBinSession *session) - :QCameraControl(session), - m_session(session), - m_state(QCamera::UnloadedState), - m_reloadPending(false) -{ - connect(m_session, SIGNAL(statusChanged(QCamera::Status)), - this, SIGNAL(statusChanged(QCamera::Status))); - - connect(m_session, SIGNAL(viewfinderChanged()), - SLOT(reloadLater())); - connect(m_session, SIGNAL(readyChanged(bool)), - SLOT(reloadLater())); - connect(m_session, SIGNAL(error(int,QString)), - SLOT(handleCameraError(int,QString))); - - m_resourcePolicy = new CamerabinResourcePolicy(this); - connect(m_resourcePolicy, SIGNAL(resourcesGranted()), - SLOT(handleResourcesGranted())); - connect(m_resourcePolicy, SIGNAL(resourcesDenied()), - SLOT(handleResourcesLost())); - connect(m_resourcePolicy, SIGNAL(resourcesLost()), - SLOT(handleResourcesLost())); - - connect(m_session, SIGNAL(busyChanged(bool)), - SLOT(handleBusyChanged(bool))); -} - -CameraBinControl::~CameraBinControl() -{ -} - -QCamera::CaptureModes CameraBinControl::captureMode() const -{ - return m_session->captureMode(); -} - -void CameraBinControl::setCaptureMode(QCamera::CaptureModes mode) -{ - if (m_session->captureMode() != mode) { - m_session->setCaptureMode(mode); - - if (m_state == QCamera::ActiveState) { - m_resourcePolicy->setResourceSet( - captureMode() == QCamera::CaptureStillImage ? - CamerabinResourcePolicy::ImageCaptureResources : - CamerabinResourcePolicy::VideoCaptureResources); - } - emit captureModeChanged(mode); - } -} - -bool CameraBinControl::isCaptureModeSupported(QCamera::CaptureModes mode) const -{ - return mode == QCamera::CaptureStillImage || mode == QCamera::CaptureVideo; -} - -void CameraBinControl::setState(QCamera::State state) -{ -#ifdef CAMEABIN_DEBUG - qDebug() << Q_FUNC_INFO << ENUM_NAME(QCamera, "State", state); -#endif - if (m_state != state) { - m_state = state; - - //special case for stopping the camera while it's busy, - //it should be delayed until the camera is idle - if ((state == QCamera::LoadedState || state == QCamera::UnloadedState) && - m_session->status() == QCamera::ActiveStatus && - m_session->isBusy()) { -#ifdef CAMEABIN_DEBUG - qDebug() << Q_FUNC_INFO << "Camera is busy," - << state == QCamera::LoadedState ? "QCamera::stop()" : "QCamera::unload()" - << "is delayed"; -#endif - emit stateChanged(m_state); - return; - } - - CamerabinResourcePolicy::ResourceSet resourceSet = CamerabinResourcePolicy::NoResources; - switch (state) { - case QCamera::UnloadedState: - resourceSet = CamerabinResourcePolicy::NoResources; - break; - case QCamera::LoadedState: - resourceSet = CamerabinResourcePolicy::LoadedResources; - break; - case QCamera::ActiveState: - resourceSet = captureMode() == QCamera::CaptureStillImage ? - CamerabinResourcePolicy::ImageCaptureResources : - CamerabinResourcePolicy::VideoCaptureResources; - break; - } - - m_resourcePolicy->setResourceSet(resourceSet); - - if (m_resourcePolicy->isResourcesGranted()) { - //postpone changing to Active if the session is nor ready yet - if (state == QCamera::ActiveState) { - if (m_session->isReady()) { - m_session->setState(state); - } else { -#ifdef CAMEABIN_DEBUG - qDebug() << "Camera session is not ready yet, postpone activating"; -#endif - } - } else - m_session->setState(state); - } - - emit stateChanged(m_state); - } -} - -QCamera::State CameraBinControl::state() const -{ - return m_state; -} - -QCamera::Status CameraBinControl::status() const -{ - return m_session->status(); -} - -void CameraBinControl::reloadLater() -{ -#ifdef CAMEABIN_DEBUG - qDebug() << "CameraBinControl: reload pipeline requested" << ENUM_NAME(QCamera, "State", m_state); -#endif - if (!m_reloadPending && m_state == QCamera::ActiveState) { - m_reloadPending = true; - - if (!m_session->isBusy()) { - m_session->setState(QCamera::LoadedState); - QMetaObject::invokeMethod(this, "delayedReload", Qt::QueuedConnection); - } - } -} - -void CameraBinControl::handleResourcesLost() -{ -#ifdef CAMEABIN_DEBUG - qDebug() << Q_FUNC_INFO << ENUM_NAME(QCamera, "State", m_state); -#endif - m_session->setState(QCamera::UnloadedState); -} - -void CameraBinControl::handleResourcesGranted() -{ -#ifdef CAMEABIN_DEBUG - qDebug() << Q_FUNC_INFO << ENUM_NAME(QCamera, "State", m_state); -#endif - - //camera will be started soon by delayedReload() - if (m_reloadPending && m_state == QCamera::ActiveState) - return; - - if (m_state == QCamera::ActiveState && m_session->isReady()) - m_session->setState(QCamera::ActiveState); - else if (m_state == QCamera::LoadedState) - m_session->setState(QCamera::LoadedState); -} - -void CameraBinControl::handleBusyChanged(bool busy) -{ - if (!busy && m_session->status() == QCamera::ActiveStatus) { - if (m_state != QCamera::ActiveState) { - //handle delayed stop()/unload() because of busy camera - - CamerabinResourcePolicy::ResourceSet resourceSet = CamerabinResourcePolicy::NoResources; - switch (m_state) { - case QCamera::UnloadedState: - resourceSet = CamerabinResourcePolicy::NoResources; - break; - case QCamera::LoadedState: - resourceSet = CamerabinResourcePolicy::LoadedResources; - break; - default: - Q_ASSERT(false); - break; - } - - m_resourcePolicy->setResourceSet(resourceSet); - m_session->setState(m_state); - } else if (m_reloadPending) { - //handle delayed reload because of busy camera - m_session->setState(QCamera::LoadedState); - QMetaObject::invokeMethod(this, "delayedReload", Qt::QueuedConnection); - } - } -} - -void CameraBinControl::handleCameraError(int errorCode, const QString &errorString) -{ - emit error(errorCode, errorString); - setState(QCamera::UnloadedState); -} - -void CameraBinControl::delayedReload() -{ -#ifdef CAMEABIN_DEBUG - qDebug() << "CameraBinControl: reload pipeline"; -#endif - if (m_reloadPending) { - m_reloadPending = false; - if (m_state == QCamera::ActiveState && - m_session->isReady() && - m_resourcePolicy->isResourcesGranted()) { - m_session->setState(QCamera::ActiveState); - } - } -} - -bool CameraBinControl::canChangeProperty(PropertyChangeType changeType, QCamera::Status status) const -{ - Q_UNUSED(status); - - switch (changeType) { - case QCameraControl::Viewfinder: - return true; - case QCameraControl::CaptureMode: - case QCameraControl::ImageEncodingSettings: - case QCameraControl::VideoEncodingSettings: - case QCameraControl::ViewfinderSettings: - default: - return status != QCamera::ActiveStatus; - } -} - -#define VIEWFINDER_COLORSPACE_CONVERSION 0x00000004 - -bool CameraBinControl::viewfinderColorSpaceConversion() const -{ - gint flags = 0; - g_object_get(G_OBJECT(m_session->cameraBin()), "flags", &flags, NULL); - - return flags & VIEWFINDER_COLORSPACE_CONVERSION; -} - -void CameraBinControl::setViewfinderColorSpaceConversion(bool enabled) -{ - gint flags = 0; - g_object_get(G_OBJECT(m_session->cameraBin()), "flags", &flags, NULL); - - if (enabled) - flags |= VIEWFINDER_COLORSPACE_CONVERSION; - else - flags &= ~VIEWFINDER_COLORSPACE_CONVERSION; - - g_object_set(G_OBJECT(m_session->cameraBin()), "flags", flags, NULL); -} - -QT_END_NAMESPACE |