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/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** 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 "qqnximagecapture_p.h"
#include "qqnxmediacapturesession_p.h"
#include "qqnxcamera_p.h"
#include "qfile.h"
#include <camera/camera_api.h>
QT_BEGIN_NAMESPACE
QQnxImageCapture::QQnxImageCapture(QImageCapture *parent)
: QPlatformImageCapture(parent)
{
}
bool QQnxImageCapture::isReadyForCapture() const
{
if (!m_session)
return false;
auto *camera = static_cast<QQnxCamera *>(m_session->camera());
// ### add can take photo
return camera && camera->isActive();
}
#if 0
static void imageCaptureShutterCallback(camera_handle_t handle, void *context)
{
Q_UNUSED(handle);
const auto *data = static_cast<QQnxImageCapture::PendingImage *>(context);
// We are inside a worker thread here, so emit imageExposed inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "imageExposed", Qt::QueuedConnection, Q_ARG(int, data->id));
}
static void imageCaptureImageCallback(camera_handle_t handle, camera_buffer_t *buffer, void *context)
{
Q_UNUSED(handle);
auto *data = static_cast<QQnxImageCapture::PendingImage *>(context);
if (buffer->frametype != CAMERA_FRAMETYPE_JPEG) {
// ### Fix this, we can support other formats as well!
// We are inside a worker thread here, so emit error signal inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "error", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QImageCapture::Error, QImageCapture::FormatError),
Q_ARG(QString, QCamera::tr("Camera provides image in unsupported format")));
return;
}
const QByteArray rawData = QByteArray::fromRawData((const char*)buffer->framebuf, buffer->framedesc.jpeg.bufsize);
QImage image;
const bool ok = image.loadFromData(rawData, "JPG");
if (!ok) {
const QString errorMessage = QCamera::tr("Could not load JPEG data from frame");
// We are inside a worker thread here, so emit error signal inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "error", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QImageCapture::Error, QImageCapture::FormatError),
Q_ARG(QString, errorMessage));
return;
}
// We are inside a worker thread here, so invoke imageCaptured inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "imageCaptured", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QImage, image));
if (!data->filename.isEmpty()) {
QFile file(data->filename);
if (file.exists()) {
const QString errorMessage = QCamera::tr("Could not overwrite existing file");
// We are inside a worker thread here, so emit error signal inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "error", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QImageCapture::Error, QImageCapture::ResourceError),
Q_ARG(QString, errorMessage));
return;
}
if (!file.open(QFile::WriteOnly)) {
const QString errorMessage = QCamera::tr("Could not write image to file");
// We are inside a worker thread here, so emit error signal inside the main thread
QMetaObject::invokeMethod(data->imageCapture, "error", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QImageCapture::Error, QImageCapture::ResourceError),
Q_ARG(QString, errorMessage));
return;
}
file.write(rawData);
file.close();
QMetaObject::invokeMethod(data->imageCapture, "imageSaved", Qt::QueuedConnection,
Q_ARG(int, data->id),
Q_ARG(QString, data->filename));
}
delete data;
}
#endif
int QQnxImageCapture::capture(const QString &fileName)
{
auto *camera = static_cast<QQnxCamera *>(m_session->camera());
// ### add can take photo
if (!camera || !camera->isActive()) {
emit error(-1, QImageCapture::NotReadyError, QPlatformImageCapture::msgCameraNotReady());
return -1;
}
// prepare context object for callback
PendingImage *pending = new PendingImage;
pending->id = m_lastId;
pending->filename = fileName;
pending->imageCapture = this;
m_lastId++;
#if 0
// ### camera_take_photo doesn't exist anymore afaict
const camera_error_t result = camera_take_photo(camera->handle(),
imageCaptureShutterCallback,
0,
0,
imageCaptureImageCallback,
pending, false);
if (result != CAMERA_EOK) {
qWarning() << "Unable to take photo:" << result;
emit error(-1, QImageCapture::NotReadyError, QPlatformImageCapture::msgCameraNotReady());
return -1;
}
#endif
return m_lastId;
}
int QQnxImageCapture::captureToBuffer()
{
// ### implement me
return -1;
}
QImageEncoderSettings QQnxImageCapture::imageSettings() const
{
return m_settings;
}
void QQnxImageCapture::setImageSettings(const QImageEncoderSettings &settings)
{
m_settings = settings;
}
void QQnxImageCapture::setCaptureSession(QQnxMediaCaptureSession *captureSession)
{
if (m_session == captureSession)
return;
bool oldReadyForCapture = isReadyForCapture();
if (m_session) {
disconnect(m_session, nullptr, this, nullptr);
}
m_session = captureSession;
bool readyForCapture = isReadyForCapture();
if (readyForCapture != oldReadyForCapture)
emit readyForCaptureChanged(readyForCapture);
if (!m_session)
return;
// connect(m_session, &QPlatformMediaCaptureSession::cameraChanged, this, &QGstreamerImageCapture::onCameraChanged);
// onCameraChanged();
}
QT_END_NAMESPACE
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