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#ifndef CFFMPEG_DECODE_H
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#define CFFMPEG_DECODE_H
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#include "ffmpeginclude.h"
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#include <QCoreApplication>
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#include <QDateTime>
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#include <QDebug>
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#include <QDir>
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#include <QImage>
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#include <QMutex>
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#include <QPaintEvent>
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#include <QPainter>
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#include <QThread>
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#include <QWidget>
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// class Cffmpeg_decode: public QThread
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class Cffmpeg_decode : public QObject {
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Q_OBJECT
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public:
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// explicit Cffmpeg_decode();
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Cffmpeg_decode(QObject *parent = nullptr);
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~Cffmpeg_decode();
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bool open_input_file();
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void stop();
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/**
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* @brief 设置拉流保存文件夹路径
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* @param fileDirPath 文件夹路径
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*/
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void setSaveFileDirPath(QString fileDirPath);
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void setFlowType(QString); // 设置拉流打开方式
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void setStreamUrl(QString url);
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public slots:
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void run();
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void setPlayVideo(bool bPlay);
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void setPushStream(bool bPushStream);
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signals:
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void sendQImage(QImage);
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void sendConnectFail(int);
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void sendInitPushStream_Signal(AVFormatContext *inputFormatCtx);
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void sendStreamData_Signal(AVPacket *pkt, int frm_cnt, int64_t startTime,
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int64_t firstDts);
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void sendStopPushStream_Signal();
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public:
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QMutex mutex;
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bool IsstopPlay = false;
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bool bPushStreamFlag = false; // 推流标志
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bool bPlayVideoFlag = false; // 播放视频标志
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private:
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bool bOpenPushStreamFlag = false; // 推流初始化
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AVFormatContext *inputFormatCtx = NULL; //
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AVCodecContext *decoderCtx = NULL; //
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AVCodecContext *encoderCtx = NULL; //
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const AVCodec *decoder = NULL; // 解码器
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AVPacket *inputPacket = NULL; //
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AVFrame *yuvFrame = NULL;
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AVFrame *rgbFrame = NULL;
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struct SwsContext *swsCtx = NULL; // 图像转换上下文
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AVCodecParameters *videoCodecPara = nullptr;
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unsigned char *out_buffer = nullptr;
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int videoStreamIndex = -1;
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int numBytes = -1;
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int frm_cnt = 0;
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QString _url;
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QString saveFileDirPath;
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bool bRecordTime = true;
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// 推流使用
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int64_t startTime;
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int64_t firstDts;
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// 初始化 previous_pts_time 为无效值（拉流使用）
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double previous_pts_time; // 表示没有上一帧的时间戳
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double first_frame_pts_time; // 第一帧的 PTS 时间
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double first_frame_system_time; // 第一帧解码时的系统时间
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/******** 保存裸流使用 ******************/
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AVFormatContext *m_formatContextSave = nullptr; // 封装上下文
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QString m_strCodecName; // 编解码器名称
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AVStream *m_videoStreamOut = nullptr; // 输出视频流
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bool m_writeHeader = false; // 是否写入文件头
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QString m_rtsp_transport; // 拉流打开方式，UDP或TCP
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private:
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bool m_saveVideoFlag = false;
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/**
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* @brief 打开视频保存文件
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* @return
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*/
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bool openSave();
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/**
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* @brief 视频保存成功，释放资源
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*/
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void saveDone();
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};
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#endif // CFFMPEG_DECODE_H
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