| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QGSTREAMERVIDEOOUTPUT_P_H |
| 5 | #define QGSTREAMERVIDEOOUTPUT_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtCore/qobject.h> |
| 19 | #include <QtCore/qpointer.h> |
| 20 | #include <QtCore/private/qexpected_p.h> |
| 21 | #include <QtMultimedia/private/qtmultimediaglobal_p.h> |
| 22 | #include <QtMultimedia/private/qmultimediautils_p.h> |
| 23 | #include <common/qgst_p.h> |
| 24 | #include <common/qgstreamervideosink_p.h> |
| 25 | #include <common/qgstsubtitlesink_p.h> |
| 26 | |
| 27 | QT_BEGIN_NAMESPACE |
| 28 | |
| 29 | class QVideoSink; |
| 30 | |
| 31 | class QGstreamerVideoOutput : public QObject, QAbstractSubtitleObserver |
| 32 | { |
| 33 | Q_OBJECT |
| 34 | |
| 35 | public: |
| 36 | static q23::expected<QGstreamerVideoOutput *, QString> create(QObject *parent = nullptr); |
| 37 | ~QGstreamerVideoOutput() override; |
| 38 | |
| 39 | void setVideoSink(QVideoSink *sink); |
| 40 | QGstreamerVideoSink *gstreamerVideoSink() const { return m_platformVideoSink; } |
| 41 | |
| 42 | QGstElement gstElement() const { return m_outputBin; } |
| 43 | QGstElement gstSubtitleElement() const { return m_subtitleSink; } |
| 44 | |
| 45 | void setActive(bool); |
| 46 | |
| 47 | void setIsPreview(); |
| 48 | void flushSubtitles(); |
| 49 | |
| 50 | void setNativeSize(QSize); |
| 51 | void setRotation(QtVideo::Rotation); |
| 52 | |
| 53 | void updateSubtitle(QString) override; |
| 54 | |
| 55 | signals: |
| 56 | void subtitleChanged(QString); |
| 57 | |
| 58 | private: |
| 59 | explicit QGstreamerVideoOutput(QObject *parent); |
| 60 | |
| 61 | void updateNativeSize(); |
| 62 | |
| 63 | QPointer<QGstreamerVideoSink> m_platformVideoSink; |
| 64 | |
| 65 | // Gst elements |
| 66 | QGstBin m_outputBin; |
| 67 | QGstElement m_videoQueue; |
| 68 | QGstElement m_videoConvertScale; |
| 69 | QGstElement m_videoSink; |
| 70 | |
| 71 | QGstElement m_subtitleSink; |
| 72 | QMetaObject::Connection m_subtitleConnection; |
| 73 | QString m_lastSubtitleString; |
| 74 | |
| 75 | bool m_isActive{ false }; |
| 76 | QSize m_nativeSize; |
| 77 | QtVideo::Rotation m_rotation{}; |
| 78 | }; |
| 79 | |
| 80 | QT_END_NAMESPACE |
| 81 | |
| 82 | #endif |
| 83 |