diff options
Diffstat (limited to 'src/multimedia/platform/gstreamer/mediacapture/qgstreamerimagecapture_p.h')
-rw-r--r-- | src/multimedia/platform/gstreamer/mediacapture/qgstreamerimagecapture_p.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/multimedia/platform/gstreamer/mediacapture/qgstreamerimagecapture_p.h b/src/multimedia/platform/gstreamer/mediacapture/qgstreamerimagecapture_p.h new file mode 100644 index 000000000..50d1d9a7b --- /dev/null +++ b/src/multimedia/platform/gstreamer/mediacapture/qgstreamerimagecapture_p.h @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#ifndef QGSTREAMERIMAGECAPTURECONTROL_H +#define QGSTREAMERIMAGECAPTURECONTROL_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qplatformimagecapture_p.h> +#include "qgstreamermediacapture_p.h" +#include "private/qgstreamerbufferprobe_p.h" + +#include <qqueue.h> + +#include <private/qgst_p.h> +#include <gst/video/video.h> + +QT_BEGIN_NAMESPACE + +class QGstreamerImageCapture : public QPlatformImageCapture, private QGstreamerBufferProbe + +{ + Q_OBJECT +public: + QGstreamerImageCapture(QImageCapture *parent/*, const QGstPipeline &pipeline*/); + virtual ~QGstreamerImageCapture(); + + bool isReadyForCapture() const override; + int capture(const QString &fileName) override; + int captureToBuffer() override; + + QImageEncoderSettings imageSettings() const override; + void setImageSettings(const QImageEncoderSettings &settings) override; + + bool probeBuffer(GstBuffer *buffer) override; + + void setCaptureSession(QPlatformMediaCaptureSession *session); + + QGstElement gstElement() const { return bin.element(); } + +public Q_SLOTS: + void cameraActiveChanged(bool active); + void onCameraChanged(); + +private: + int doCapture(const QString &fileName); + static gboolean saveImageFilter(GstElement *element, GstBuffer *buffer, GstPad *pad, void *appdata); + void link(); + void unlink(); + + QGstreamerMediaCapture *m_session = nullptr; + int m_lastId = 0; + QImageEncoderSettings m_settings; + + struct PendingImage { + int id; + QString filename; + QMediaMetaData metaData; + }; + + QQueue<PendingImage> pendingImages; + + QGstPipeline gstPipeline; + QGstBin bin; + QGstElement queue; + QGstElement videoConvert; + QGstElement encoder; + QGstElement muxer; + QGstElement sink; + QGstPad videoSrcPad; + + bool passImage = false; + bool cameraActive = false; +}; + +QT_END_NAMESPACE + +#endif // QGSTREAMERCAPTURECORNTROL_H |