qandroidimagecapture.cpp

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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include <QtFFmpegMediaPluginImpl/private/qandroidimagecapture_p.h>
 
#include <QtFFmpegMediaPluginImpl/private/qandroidcamera_p.h>
#include <QtFFmpegMediaPluginImpl/private/qffmpegmediacapturesession_p.h>
 
QT_BEGIN_NAMESPACE
 
namespace QFFmpeg {
 
QAndroidImageCapture::QAndroidImageCapture(QImageCapture *parent)
    : QFFmpegImageCapture(parent)
{
    connect(this, &QPlatformImageCapture::imageSaved, this, &QAndroidImageCapture::updateExif);
}
 
QAndroidImageCapture::~QAndroidImageCapture()
{
}
 
int QAndroidImageCapture::doCapture(const QString &fileName)
{
    auto ret = QFFmpegImageCapture::doCapture(fileName);
    if (ret >= 0) {
        auto androidCamera = qobject_cast<QAndroidCamera *>(videoSource());
        if (androidCamera)
            androidCamera->capture();
    }
 
    return ret;
}
 
void QAndroidImageCapture::applySettingsToVideoSource()
{
    // Apply to the session's camera even if inactive, the still reader is created when it opens
    auto *androidCamera = qobject_cast<QAndroidCamera *>(
            captureSession() ? captureSession()->camera() : nullptr);
    if (!androidCamera)
        return;
 
    androidCamera->setStillCaptureResolution(imageSettings().resolution());
}
 
void QAndroidImageCapture::setupVideoSourceConnections()
{
    auto androidCamera = qobject_cast<QAndroidCamera *>(videoSource());
    if (androidCamera) {
        connect(
            androidCamera,
            &QAndroidCamera::onStillPhotoCaptured,
            this,
            &QAndroidImageCapture::newVideoFrame);
 
        // The backend might call onImageCaptureFailed before the call to
        // QAndroidImageCapture::doCapture() is finished and returns the request id to the user.
        // Therefore we want to use queued connection for this to make sure any errors are raised
        // after that function ends.
        connect(
            androidCamera,
            &QAndroidCamera::onImageCaptureFailed,
            this,
            &QFFmpegImageCapture::cancelPendingImage,
            Qt::QueuedConnection);
    }
    else
        QFFmpegImageCapture::setupVideoSourceConnections();
}
 
void QAndroidImageCapture::updateExif(int id, const QString &filename)
{
    Q_UNUSED(id);
    auto androidCamera = qobject_cast<QAndroidCamera *>(videoSource());
    if (androidCamera)
        androidCamera->updateExif(filename);
}
 
} // namespace QFFmpeg
 
QT_END_NAMESPACE