#ifndef CFFMPEG_DECODE_H
#define CFFMPEG_DECODE_H

#include "ffmpeginclude.h"
#include <QDateTime>
#include <QDebug>
#include <QDir>
#include <QImage>
#include <QPaintEvent>
#include <QPainter>
#include <QThread>
#include <QWidget>

// class Cffmpeg_decode: public QThread
class Cffmpeg_decode : public QObject {
  Q_OBJECT
public:
  // explicit Cffmpeg_decode();
  Cffmpeg_decode(QObject *parent = nullptr);
  ~Cffmpeg_decode();

public:
  bool open_input_file();
  void stop();
  /**
   * @brief 设置拉流保存文件夹路径
   * @param fileDirPath 文件夹路径
   */
  void setSaveFileDirPath(QString fileDirPath);
public slots:
  void run();
  void setUrl(QString url);

signals:
  void sendQImage(QImage);
  void sendConnectFail(int);
  void sendInitPushStream_Signal(AVFormatContext *inputFormatCtx);
  void sendStreamData_Signal(AVPacket *pkt, int frm_cnt, int64_t startTime,
                             int64_t firstDts);
  void sendStopPushStream_Signal();

public:
  bool IsstopPlay = false;
  bool bPushStreamFlag = false;

private:
  AVFormatContext *inputFormatCtx = NULL; //

  AVCodecContext *decoderCtx = NULL; //
  AVCodecContext *encoderCtx = NULL; //

  const AVCodec *decoder = NULL; // 解码器

  AVPacket *inputPacket = NULL; //

  AVFrame *yuvFrame = NULL;
  AVFrame *rgbFrame = NULL;

  struct SwsContext *swsCtx = NULL; // 图像转换上下文

  AVCodecParameters *videoCodecPara = nullptr;

  unsigned char *out_buffer = nullptr;

  int videoStreamIndex = -1;
  int numBytes = -1;
  int frm_cnt = 0;

  QString _url;
  QString saveFileDirPath;
  bool bRecordTime = true;
  int64_t startTime;
  int64_t firstDts;
  /********  保存裸流使用 ******************/
  AVFormatContext *m_formatContextSave = nullptr; // 封装上下文
  QString m_strCodecName;                         // 编解码器名称
  AVStream *m_videoStreamOut = nullptr;           // 输出视频流
  bool m_writeHeader = false;                     // 是否写入文件头
private:
  bool openSave();
  void saveDone();
};

#endif // CFFMPEG_DECODE_H