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Diffstat (limited to 'src/gsttools/qgstutils_p.h')
-rw-r--r-- | src/gsttools/qgstutils_p.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/gsttools/qgstutils_p.h b/src/gsttools/qgstutils_p.h new file mode 100644 index 000000000..387a2e27a --- /dev/null +++ b/src/gsttools/qgstutils_p.h @@ -0,0 +1,174 @@ +/**************************************************************************** +** +** 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 QGSTUTILS_P_H +#define QGSTUTILS_P_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/qgsttools_global_p.h> +#include <QtCore/qmap.h> +#include <QtCore/qset.h> +#include <QtCore/qvector.h> +#include <gst/gst.h> +#include <gst/video/video.h> +#include <qaudioformat.h> +#include <qcamera.h> +#include <qabstractvideobuffer.h> +#include <qvideoframe.h> +#include <QDebug> + +#if GST_CHECK_VERSION(1,0,0) +# define QT_GSTREAMER_PLAYBIN_ELEMENT_NAME "playbin" +# define QT_GSTREAMER_CAMERABIN_ELEMENT_NAME "camerabin" +# define QT_GSTREAMER_COLORCONVERSION_ELEMENT_NAME "videoconvert" +# define QT_GSTREAMER_RAW_AUDIO_MIME "audio/x-raw" +# define QT_GSTREAMER_VIDEOOVERLAY_INTERFACE_NAME "GstVideoOverlay" +#else +# define QT_GSTREAMER_PLAYBIN_ELEMENT_NAME "playbin2" +# define QT_GSTREAMER_CAMERABIN_ELEMENT_NAME "camerabin2" +# define QT_GSTREAMER_COLORCONVERSION_ELEMENT_NAME "ffmpegcolorspace" +# define QT_GSTREAMER_RAW_AUDIO_MIME "audio/x-raw-int" +# define QT_GSTREAMER_VIDEOOVERLAY_INTERFACE_NAME "GstXOverlay" +#endif + +QT_BEGIN_NAMESPACE + +class QSize; +class QVariant; +class QByteArray; +class QImage; +class QVideoSurfaceFormat; + +namespace QGstUtils { + struct Q_GSTTOOLS_EXPORT CameraInfo + { + QString name; + QString description; + int orientation; + QCamera::Position position; + QByteArray driver; + }; + + Q_GSTTOOLS_EXPORT QMap<QByteArray, QVariant> gstTagListToMap(const GstTagList *list); + + Q_GSTTOOLS_EXPORT QSize capsResolution(const GstCaps *caps); + Q_GSTTOOLS_EXPORT QSize capsCorrectedResolution(const GstCaps *caps); + Q_GSTTOOLS_EXPORT QAudioFormat audioFormatForCaps(const GstCaps *caps); +#if GST_CHECK_VERSION(1,0,0) + Q_GSTTOOLS_EXPORT QAudioFormat audioFormatForSample(GstSample *sample); +#else + Q_GSTTOOLS_EXPORT QAudioFormat audioFormatForBuffer(GstBuffer *buffer); +#endif + Q_GSTTOOLS_EXPORT GstCaps *capsForAudioFormat(const QAudioFormat &format); + Q_GSTTOOLS_EXPORT void initializeGst(); + Q_GSTTOOLS_EXPORT QMultimedia::SupportEstimate hasSupport(const QString &mimeType, + const QStringList &codecs, + const QSet<QString> &supportedMimeTypeSet); + + Q_GSTTOOLS_EXPORT QVector<CameraInfo> enumerateCameras(GstElementFactory *factory = 0); + Q_GSTTOOLS_EXPORT QList<QByteArray> cameraDevices(GstElementFactory * factory = 0); + Q_GSTTOOLS_EXPORT QString cameraDescription(const QString &device, GstElementFactory * factory = 0); + Q_GSTTOOLS_EXPORT QCamera::Position cameraPosition(const QString &device, GstElementFactory * factory = 0); + Q_GSTTOOLS_EXPORT int cameraOrientation(const QString &device, GstElementFactory * factory = 0); + Q_GSTTOOLS_EXPORT QByteArray cameraDriver(const QString &device, GstElementFactory * factory = 0); + + Q_GSTTOOLS_EXPORT QSet<QString> supportedMimeTypes(bool (*isValidFactory)(GstElementFactory *factory)); + +#if GST_CHECK_VERSION(1,0,0) + Q_GSTTOOLS_EXPORT QImage bufferToImage(GstBuffer *buffer, const GstVideoInfo &info); + Q_GSTTOOLS_EXPORT QVideoSurfaceFormat formatForCaps( + GstCaps *caps, + GstVideoInfo *info = 0, + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle); +#else + Q_GSTTOOLS_EXPORT QImage bufferToImage(GstBuffer *buffer); + Q_GSTTOOLS_EXPORT QVideoSurfaceFormat formatForCaps( + GstCaps *caps, + int *bytesPerLine = 0, + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle); +#endif + + Q_GSTTOOLS_EXPORT GstCaps *capsForFormats(const QList<QVideoFrame::PixelFormat> &formats); + void setFrameTimeStamps(QVideoFrame *frame, GstBuffer *buffer); + + Q_GSTTOOLS_EXPORT void setMetaData(GstElement *element, const QMap<QByteArray, QVariant> &data); + Q_GSTTOOLS_EXPORT void setMetaData(GstBin *bin, const QMap<QByteArray, QVariant> &data); + + Q_GSTTOOLS_EXPORT GstCaps *videoFilterCaps(); + + Q_GSTTOOLS_EXPORT QSize structureResolution(const GstStructure *s); + Q_GSTTOOLS_EXPORT QVideoFrame::PixelFormat structurePixelFormat(const GstStructure *s, int *bpp = 0); + Q_GSTTOOLS_EXPORT QSize structurePixelAspectRatio(const GstStructure *s); + Q_GSTTOOLS_EXPORT QPair<qreal, qreal> structureFrameRateRange(const GstStructure *s); + + Q_GSTTOOLS_EXPORT QString fileExtensionForMimeType(const QString &mimeType); + +#if GST_CHECK_VERSION(0,10,30) + Q_GSTTOOLS_EXPORT QVariant fromGStreamerOrientation(const QVariant &value); + Q_GSTTOOLS_EXPORT QVariant toGStreamerOrientation(const QVariant &value); +#endif +} + +Q_GSTTOOLS_EXPORT void qt_gst_object_ref_sink(gpointer object); +Q_GSTTOOLS_EXPORT GstCaps *qt_gst_pad_get_current_caps(GstPad *pad); +Q_GSTTOOLS_EXPORT GstCaps *qt_gst_pad_get_caps(GstPad *pad); +Q_GSTTOOLS_EXPORT GstStructure *qt_gst_structure_new_empty(const char *name); +Q_GSTTOOLS_EXPORT gboolean qt_gst_element_query_position(GstElement *element, GstFormat format, gint64 *cur); +Q_GSTTOOLS_EXPORT gboolean qt_gst_element_query_duration(GstElement *element, GstFormat format, gint64 *cur); +Q_GSTTOOLS_EXPORT GstCaps *qt_gst_caps_normalize(GstCaps *caps); +Q_GSTTOOLS_EXPORT const gchar *qt_gst_element_get_factory_name(GstElement *element); +Q_GSTTOOLS_EXPORT gboolean qt_gst_caps_can_intersect(const GstCaps * caps1, const GstCaps * caps2); +Q_GSTTOOLS_EXPORT GList *qt_gst_video_sinks(); +Q_GSTTOOLS_EXPORT void qt_gst_util_double_to_fraction(gdouble src, gint *dest_n, gint *dest_d); + +Q_GSTTOOLS_EXPORT QDebug operator <<(QDebug debug, GstCaps *caps); + +QT_END_NAMESPACE + +#endif |