yuv转bmp

#ifdef   _INTERFACE_H
#error   _INTERFACE_H has be  exsisted
#else
#define  _INTERFACE_H

#include "stdafx.h"//类型定义在这个文件中
#include "stdlib.h"
#include "windows.h"
void SaveYUV(AVFrame *picture, int width, int height,int iFrame)
#pragma once

#ifndef _WINGDI_
#define   _WINGDI_

typedef struct tagBITMAPFILEHEADER
{
	WORD    bfType;
	DWORD   bfSize;
	WORD    bfReserved1;
	WORD    bfReserved2;
	DWORD   bfOffBits;
} BITMAPFILEHEADER, FAR *LPBITMAPFILEHEADER, *PBITMAPFILEHEADER;   

typedef struct tagBITMAPINFOHEADER
{
		DWORD      biSize;
		LONG       biWidth;
		LONG       biHeight;
		WORD       biPlanes;
		WORD       biBitCount;
		DWORD      biCompression;
		DWORD      biSizeImage;
		LONG       biXPelsPerMeter;
		LONG       biYPelsPerMeter;
		DWORD      biClrUsed;
		DWORD      biClrImportant;
} BITMAPINFOHEADER, FAR *LPBITMAPINFOHEADER, *PBITMAPINFOHEADER;  

#endif
#endif

void SaveYUVS(uint8_t* yuv, int width, int height, int iFrame)
{
	FILE *pFile;
	char szFilename[32];
	int y;
	sprintf(szFilename, ".\\yuv\\rotate%d_%d_%d.yuv", iFrame, width, height);  	pFile=fopen(szFilename, "ab+");
	if(pFile == NULL)
	   return;

	fwrite(yuv,sizeof(char),width * height*3/2,pFile);//
	fflush(pFile);
	fclose(pFile);
}

#if 1
picture->data[0] += picture->linesize[0] * (pAVCodecCtx->height - 1);
picture->linesize[0] *= -1;
picture->data[1] += picture->linesize[1] * (pAVCodecCtx->height / 2 - 1);
picture->linesize[1] *= -1;
picture->data[2] += picture->linesize[2] * (pAVCodecCtx->height / 2 - 1);
picture->linesize[2] *= -1;
//转换图像格式，将解压出来的YUV420P的图像转换为BRG24的图像
int PictureSize=avpicture_get_size (PIX_FMT_BGR24, pAVCodecCtx->width, pAVCodecCtx->height);
uint8_t* buf = (uint8_t*)av_malloc(PictureSize);
avpicture_fill ( (AVPicture *)pFrameRGB, buf, PIX_FMT_BGR24, pAVCodecCtx->width, pAVCodecCtx->height);
SwsContext* pSwsCtx = sws_getContext (pAVCodecCtx->width,pAVCodecCtx->height,pAVCodecCtx->pix_fmt,pAVCodecCtx->width,pAVCodecCtx->height,PIX_FMT_BGR24,SWS_BICUBIC,NULL, NULL, NULL);
sws_scale (pSwsCtx,picture->data,picture->linesize,0,pAVCodecCtx->height,pFrameRGB->data,pFrameRGB->linesize);
SaveAsBMP (pFrameRGB,pAVCodecCtx->width,pAVCodecCtx->height, count, 24);
av_free(buf);
sws_freeContext(pSwsCtx);
#endif