/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  Unless required by applicable law or agreed to in writing, software distributed 
 *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 *  language governing permissions and limitations under the License.
 *
****************************************************************************************/

#ifndef VIDEO_WIDGET_H
#define VIDEO_WIDGET_H

#include "sys_inc.h"
#include "video_player.h"
#include <QWidget>
#include <QMutex>
#include <QSwipeGesture>
#include <QGestureEvent>
#include <QTimer>
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLBuffer>
#include <QOpenGLTexture>
#include <QOpenGLShaderProgram>


class VideoWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
    Q_OBJECT

public:
    VideoWidget(QWidget * parent = 0, Qt::WindowFlags f = Qt::Widget);
    ~VideoWidget();

	void    play(QString url, QString user, QString pass);
	void    pause();
	void    stop();
	void    snapshot();
	BOOL    record();
	void    stopRecord();
	void    setMute(BOOL flag);
	BOOL    micphone();
	BOOL    isPlaying();
	BOOL    isMute() {return m_bMute;}
	BOOL    isRecording();
	QString getUrl() { return m_url; }
    QString getUser() { return m_acct; }
	QString getPass() { return m_pass; }

private slots:
	void    slotImageReady(AVFrame * frame);
    void    slotPlayerNotify(int event);
    void    slotReconn();
    void    slotSnapshoted(AVFrame * frame);

signals:
	void    callState(QWidget *, int);
	void    snapshotResult(bool);
	void    recordResult(bool);
	void    updateStatistics(int);
	void    imageReady();
    void    widgetSelecting(QWidget *);

protected:
    void    mousePressEvent(QMouseEvent * event);
    void    initializeGL();
    void    paintGL();
    
private:
    void    closePlayer();
    void    closeVideo();
    void    makeCall();
    QRect   getVideoRenderRect(int videoW, int videoH);
    void    startRecord();
	QString getBaseName(QString &url);
	
private:
	QString         m_url;
	QString         m_acct;
	QString         m_pass;
	QString         m_base;

    CVideoPlayer  * m_pPlayer;
    QTimer			m_timerReconn;
    BOOL            m_bMute;
    BOOL            m_bRecording;
	QMutex	        m_mutex;
    AVFrame       * m_pRenderFrame;

#ifdef BACKCHANNEL
	int				m_nBackChannelFlag;
#endif

	QOpenGLShaderProgram * program;
    QOpenGLBuffer   vbo;
    GLuint          textureUniformY;
    GLuint          textureUniformU;
    GLuint          textureUniformV;
    QOpenGLTexture* textureY = nullptr;
    QOpenGLTexture* textureU = nullptr;
    QOpenGLTexture* textureV = nullptr;
    GLuint          idY, idU, idV;
};

#endif