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| ****************************************************************************/ |
| |
| #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 bool useOpenGL(); |
| } |
| |
| 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 |