| 1 | // Copyright (C) 2016 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 QGSTREAMERVIDEOSINK_H |
| 5 | #define QGSTREAMERVIDEOSINK_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 <QtMultimedia/qvideosink.h> |
| 19 | #include <QtMultimedia/private/qplatformvideosink_p.h> |
| 20 | |
| 21 | #include <common/qgstvideorenderersink_p.h> |
| 22 | #include <common/qgstpipeline_p.h> |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | class QGstreamerVideoSink : public QPlatformVideoSink |
| 27 | { |
| 28 | Q_OBJECT |
| 29 | |
| 30 | public: |
| 31 | explicit QGstreamerVideoSink(QVideoSink *parent = nullptr); |
| 32 | ~QGstreamerVideoSink() override; |
| 33 | |
| 34 | void setRhi(QRhi *rhi) override; |
| 35 | QRhi *rhi() const { return m_rhi; } |
| 36 | |
| 37 | QGstElement gstSink(); |
| 38 | |
| 39 | GstContext *gstGlDisplayContext() const { return m_gstGlDisplayContext.get(); } |
| 40 | GstContext *gstGlLocalContext() const { return m_gstGlLocalContext.get(); } |
| 41 | Qt::HANDLE eglDisplay() const { return m_eglDisplay; } |
| 42 | QFunctionPointer eglImageTargetTexture2D() const { return m_eglImageTargetTexture2D; } |
| 43 | |
| 44 | void setActive(bool); |
| 45 | void setAsync(bool); |
| 46 | |
| 47 | Q_SIGNALS: |
| 48 | void aboutToBeDestroyed(); |
| 49 | |
| 50 | private: |
| 51 | void createQtSink(); |
| 52 | void updateSinkElement(QGstVideoRendererSinkElement newSink); |
| 53 | |
| 54 | void unrefGstContexts(); |
| 55 | void updateGstContexts(); |
| 56 | |
| 57 | QGstBin m_sinkBin; |
| 58 | QGstElement m_gstPreprocess; |
| 59 | QGstElement m_gstCapsFilter; |
| 60 | QGstElement m_gstVideoSink; |
| 61 | QGstVideoRendererSinkElement m_gstQtSink; |
| 62 | |
| 63 | QRhi *m_rhi = nullptr; |
| 64 | bool m_isActive = true; |
| 65 | bool m_sinkIsAsync = true; |
| 66 | |
| 67 | Qt::HANDLE m_eglDisplay = nullptr; |
| 68 | QFunctionPointer m_eglImageTargetTexture2D = nullptr; |
| 69 | |
| 70 | QGstContextHandle m_gstGlLocalContext; |
| 71 | QGstContextHandle m_gstGlDisplayContext; |
| 72 | }; |
| 73 | |
| 74 | QT_END_NAMESPACE |
| 75 | |
| 76 | #endif |
| 77 |