#ifndef __STREAMTRANS_H_
#define __STREAMTRANS_H_#ifndef __int64
#define __int64 long long
#endiftypedef enum
{STREAMTRANS_MODE_NONE,STREAMTRANS_MODE_DEC,STREAMTRANS_MODE_FILTER,STREAMTRANS_MODE_ENC,}StreamTransMode_E;typedef enum
{STREAM_YUV420 = -1,STREAM_NONE = 0,STREAM_MPEG2 = 2,    //值对应FFMEPGSTREAM_MPEG4 = 13,STREAM_H264 = 28,STREAM_H265 = 174}StreamCodec_E;typedef struct _StreamTransIn
{StreamTransMode_E  eMode;          //转换模式 解码 滤镜 编码unsigned char*       pBufIn[3];      //输入码流int                   nSizeIn[3];     //输入码流大小StreamCodec_E       eType;          //码流的编码类型int                    nWidth;         //图像分辨率宽度int                    nHeight;        //图像分辨率高度int                    nFps;           //图像帧率char*             strFilter;      //滤镜描述
}StreamTransIn;typedef struct _StreamTransOut
{unsigned char* pBufOut[3];     //输出流int                nSizeOut[3];    //输出流大小__int64          pts;            //输出流PTS(显示时间戳)__int64          dts;            //输出流DTS(解码时间戳)StreamCodec_E    eType;          //码流的编码类型int                nWidth;         //图像分辨率宽度int                nHeight;        //图像分辨率高度int                nFps;           //图像帧率int               nMbps;          //图像码率
}StreamTransOut;#ifdef __cplusplus
extern "C"{
#endif
#include "libavcodec/avcodec.h"
#include "libswscale/swscale.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavfilter/avfiltergraph.h"
#include "libavfilter/buffersink.h"
#include "libavfilter/buffersrc.h"//打开转码句柄long STREAMTRANS_Open(void);//关闭转码句柄long STREAMTRANS_Close(long Handle);//开始转换long STREAMTRANS_Trans(long Handle, StreamTransIn* pIn, StreamTransOut* pOut);//拷贝数据结构(内部自动alloc数据空间)StreamTransIn* STREAMTRANS_CloneYUV(StreamTransOut* src);#ifdef __cplusplus
}
#endif#endif