| 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 <QtMultimedia/private/qtmultimediaglobal_p.h> |
|---|
| 21 | #include <QtMultimedia/private/qmultimediautils_p.h> |
|---|
| 22 | #include <common/qgst_p.h> |
|---|
| 23 | #include <common/qgstreamervideosink_p.h> |
|---|
| 24 | #include <common/qgstsubtitlesink_p.h> |
|---|
| 25 | |
|---|
| 26 | QT_BEGIN_NAMESPACE |
|---|
| 27 | |
|---|
| 28 | class QVideoSink; |
|---|
| 29 | |
|---|
| 30 | class QGstreamerVideoOutput : public QObject, QAbstractSubtitleObserver |
|---|
| 31 | { |
|---|
| 32 | Q_OBJECT |
|---|
| 33 | |
|---|
| 34 | public: |
|---|
| 35 | static QMaybe<QGstreamerVideoOutput *> create(QObject *parent = nullptr); |
|---|
| 36 | ~QGstreamerVideoOutput(); |
|---|
| 37 | |
|---|
| 38 | void setVideoSink(QVideoSink *sink); |
|---|
| 39 | QGstreamerVideoSink *gstreamerVideoSink() const { return m_platformVideoSink; } |
|---|
| 40 | |
|---|
| 41 | QGstElement gstElement() const { return m_outputBin; } |
|---|
| 42 | QGstElement gstSubtitleElement() const { return m_subtitleSink; } |
|---|
| 43 | |
|---|
| 44 | void setActive(bool); |
|---|
| 45 | |
|---|
| 46 | void setIsPreview(); |
|---|
| 47 | void flushSubtitles(); |
|---|
| 48 | |
|---|
| 49 | void setNativeSize(QSize); |
|---|
| 50 | void setRotation(QtVideo::Rotation); |
|---|
| 51 | |
|---|
| 52 | void updateSubtitle(QString) override; |
|---|
| 53 | |
|---|
| 54 | signals: |
|---|
| 55 | void subtitleChanged(QString); |
|---|
| 56 | |
|---|
| 57 | private: |
|---|
| 58 | explicit QGstreamerVideoOutput(QObject *parent); |
|---|
| 59 | |
|---|
| 60 | void updateNativeSize(); |
|---|
| 61 | |
|---|
| 62 | QPointer<QGstreamerVideoSink> m_platformVideoSink; |
|---|
| 63 | |
|---|
| 64 | // Gst elements |
|---|
| 65 | QGstBin m_outputBin; |
|---|
| 66 | QGstElement m_videoQueue; |
|---|
| 67 | QGstElement m_videoConvertScale; |
|---|
| 68 | QGstElement m_videoSink; |
|---|
| 69 | |
|---|
| 70 | QGstElement m_subtitleSink; |
|---|
| 71 | QMetaObject::Connection m_subtitleConnection; |
|---|
| 72 | QString m_lastSubtitleString; |
|---|
| 73 | |
|---|
| 74 | bool m_isActive{ false }; |
|---|
| 75 | QSize m_nativeSize; |
|---|
| 76 | QtVideo::Rotation m_rotation{}; |
|---|
| 77 | }; |
|---|
| 78 | |
|---|
| 79 | QT_END_NAMESPACE |
|---|
| 80 | |
|---|
| 81 | #endif |
|---|
| 82 | |
|---|
