#ifndef CFFMPEG_DECODE_H
#define CFFMPEG_DECODE_H

#include <QDebug>
#include <QImage>
#include <QPaintEvent>
#include <QPainter>
#include <QThread>
#include <QWidget>

extern "C" {
#include "libavcodec/avcodec.h"

#include <libavutil/channel_layout.h>
#include <libavutil/common.h>
#include <libavutil/frame.h>
#include <libavutil/imgutils.h>
#include <libavutil/mem.h>
#include <libavutil/opt.h>
#include <libavutil/parseutils.h>
#include <libavutil/samplefmt.h>

#include <libswscale/swscale.h>

#include <libavformat/avformat.h>
}

// class Cffmpeg_decode: public QThread
class Cffmpeg_decode : public QObject {
public:
  explicit Cffmpeg_decode();
  ~Cffmpeg_decode();
  Q_OBJECT
public:
  void setUrl(QString url);
  bool open_input_file();
  bool IsstopPlay = false;
  void stop();
public slots:
  void run();

signals:
  void sendQImage(QImage);
  void sendConnectFail(int);

private:
  AVFormatContext *fmtCtx = NULL;
  const AVCodec *videoCodec = NULL;
  AVCodecContext *videoCodecCtx = NULL;
  AVPacket *pkt = NULL;
  AVFrame *yuvFrame = NULL;
  AVFrame *rgbFrame = NULL;

  struct SwsContext *img_ctx = NULL;

  unsigned char *out_buffer = nullptr;

  int videoStreamIndex = -1;
  int numBytes = -1;

  QString _url;
};

#endif // CFFMPEG_DECODE_H