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#ifndef VIDEOWIDGET_H
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#define VIDEOWIDGET_H
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#include <qopenglpixeltransferoptions.h>
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#include <qopenglshaderprogram.h>
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#include <QGuiApplication>
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#include <QMutex>
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#include <QOpenGLFunctions_3_3_Core>
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#include <QOpenGLTexture>
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#include <QQueue>
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#include <QScreen>
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#include <QThread>
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#include <QTimer>
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#include <QWidget>
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#include <QWindow>
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#include "decodestream.h"
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#include "ffmpeginclude.h"
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#include "pushstream.h"
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#include "readstream.h"
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#define USE_WINDOW 0 // 1:使用QOpenGLWindow显示, 0：使用QOpenGLWidget显示
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#if USE_WINDOW
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#include <QOpenGLWindow>
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class VideoWidget : public QOpenGLWindow,
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public QOpenGLFunctions_3_3_Core
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#else
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#include <QOpenGLWidget>
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class VideoWidget : public QOpenGLWidget,
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public QOpenGLFunctions_3_3_Core
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#endif
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{
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Q_OBJECT
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public:
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#if USE_WINDOW
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explicit VideoWidget(UpdateBehavior updateBehavior = NoPartialUpdate,
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QWindow *parent = nullptr);
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#else
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explicit VideoWidget(QWidget *parent = nullptr,
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Qt::WindowFlags f = Qt::WindowFlags());
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#endif
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~VideoWidget() override;
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bool play(const QString &url);
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void stopPlay();
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bool pushStream(const QString &url);
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void stopPushStream();
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void setPullURL(const QString &url);
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void setPushURL(const QString &url);
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void setVedioSaveFileDirPath(const QString &dirPath);
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protected:
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void initializeGL() override; // 初始化gl
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void resizeGL(int w, int h) override; // 窗口尺寸变化
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void paintGL() override; // 刷新显示
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void repaint(AVFrame *frame); // 设置需要绘制的图像帧
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private:
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// YUV420图像数据更新
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void repaintTexYUV420P(AVFrame *frame);
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void initTexYUV420P(int width, int height);
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void freeTexYUV420P();
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// NV12图像数据更新
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void repaintTexNV12(AVFrame *frame);
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void initTexNV12(AVFrame *frame);
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void freeTexNV12();
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private: // opengl
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QOpenGLShaderProgram *m_program = nullptr;
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QOpenGLTexture *m_texY = nullptr;
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QOpenGLTexture *m_texU = nullptr;
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QOpenGLTexture *m_texV = nullptr;
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QOpenGLTexture *m_texUV = nullptr;
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QOpenGLPixelTransferOptions m_options;
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GLuint VBO =
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0; // 顶点缓冲对象,负责将数据从内存放到缓存，一个VBO可以用于多个VAO
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GLuint VAO =
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0; // 顶点数组对象,任何随后的顶点属性调用都会储存在这个VAO中，一个VAO可以有多个VBO
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GLuint EBO = 0; // 元素缓冲对象,它存储 OpenGL 用来决定要绘制哪些顶点的索引
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QSize m_size;
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QSizeF m_zoomSize;
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QPointF m_pos;
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int m_format; // 像素格式
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private:
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bool pullStream(const QString &url);
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void receiveErrorMessage(QString message, int type);
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private:
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QString m_pullURL;
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QString m_pushURL;
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bool m_playFlag = false;
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bool m_pullFlag = false;
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bool m_pushFlag = false;
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QString m_videoSaveDirPath;
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ReadStream *readStreamer = nullptr;
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QThread readStreamThread;
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DecodeStream *decodeStreamer = nullptr;
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QThread decodeStreamThread;
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SaveStream *saveStreamer = nullptr;
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QThread saveStreamThread;
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PushStream *streamPusher = nullptr;
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QThread pushStreamThread;
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QMutex m_mutex;
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signals:
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void startPullSignal();
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void sendErrorMessageSignal(QString message, int type);
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public:
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QSizeF getCurImgSize();
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};
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#endif // VIDEOWIDGET_H
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