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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtGui/QOpenGLFunctions>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <QtOpenGLWidgets/QOpenGLWidget>
#else
#include <QtWidgets/QOpenGLWidget>
#endif
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QOpenGLTexture>
#include <QOpenGLShaderProgram>
#include <QtMultimedia/QAbstractVideoSurface>
#include <QtMultimedia/QMediaPlayer>
#include <memory>
class TextureWidget : public QOpenGLWidget, private QOpenGLFunctions
{
Q_OBJECT
Q_PROPERTY(int textureId READ textureId NOTIFY textureIdChanged)
public:
TextureWidget(QWidget *parent = nullptr);
int textureId() { return m_texture.textureId(); }
private:
// MainThread
void initializeGL() override;
// Main thread
void paintGL() override;
public Q_SLOTS:
// Called from Video player thread
void setVideoFrame(const QVideoFrame &frame);
Q_SIGNALS:
void textureIdChanged(int textureId);
private:
QOpenGLVertexArrayObject m_vao;
QOpenGLShaderProgram m_shader;
QOpenGLTexture m_texture;
};
class GLVideoSurface : public QAbstractVideoSurface
{
Q_OBJECT
public:
QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType type) const override;
// Call in VideaPlayerThread context
bool present(const QVideoFrame &frame) override;
Q_SIGNALS:
void onNewFrame(const QVideoFrame &frame);
};
class VideoPlayer : public QObject
{
Q_OBJECT
public:
VideoPlayer(TextureWidget *textureWidget);
~VideoPlayer();
private:
TextureWidget *m_textureWidget;
std::unique_ptr<QMediaPlayer> m_player;
std::unique_ptr<GLVideoSurface> m_surface;
};
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