YUV422转BGR888(海思3516平台)
[cpp]
#include "hi_comm_ive.h"
#include "mpi_ive.h"
#pragma pack(1)
typedef struct{
short type;
int size;
short reserved1;
short reserved2;
int offset;
} BMPHeader;
typedef struct{
int size;
int width;
int height;
short planes;
short bitsPerPixel;
unsigned compression;
unsigned imageSize;
int xPelsPerMeter;
int yPelsPerMeter;
int clrUsed;
int clrImportant;
} BMPInfoHeader;
#pragma pack()
int saveBMPFile(unsigned char* src, int width, int height, const char* name){
BMPHeader hdr;
BMPInfoHeader infoHdr;
int ret = 0;
FILE* fp = NULL;
if(NULL == src)
{
return (-1);
}
fp = fopen(name,"wb");
if(NULL == fp)
{
printf("saveBMPFile: Err: Open!\n");
return (-1);
}
infoHdr.size = sizeof(BMPInfoHeader);
infoHdr.width = width;
infoHdr.height = 0 - height;
infoHdr.planes = 1;
infoHdr.bitsPerPixel = 24;
infoHdr.compression = 0;
infoHdr.imageSize = width*height;
infoHdr.xPelsPerMeter = 0;
infoHdr.yPelsPerMeter = 0;
infoHdr.clrUsed = 0;
infoHdr.clrImportant = 0;
hdr.type = 0x4D42;
hdr.size = 54 + infoHdr.imageSize*3;
hdr.reserved1 = 0;
hdr.reserved2 = 0;
hdr.offset = 54;
//BGR2RGB
int i;
int temp;
for(i = 0;i < width*height;i++)
{
temp = src[i*3];
src[i*3] = src[i*3 + 2];
src[i*3 + 2] = temp;
}
fwrite(&hdr, sizeof(hdr), 1, fp);
fwrite(&infoHdr, sizeof(infoHdr), 1, fp);
fwrite(src, sizeof(unsigned char), width*height*3, fp); //TODO:
fflush(fp);
if(ferror(fp)){
printf("saveBMPFile: Err: Unknown!***\n");
}
fclose(fp);
fp = NULL;
return 0;
}
int main()
{
HI_VOID *pVirtSrc = NULL;
HI_VOID *pVirtDst = NULL;
IVE_SRC_INFO_S stSrc;
IVE_MEM_INFO_S stDst;
unsigned int * pImage = NULL;
stSrc.enSrcFmt = IVE_SRC_FMT_SP422;
stSrc.stSrcMem.u32Stride = nWidth;
stSrc.stSrcMem.u32PhyAddr = frameInfo->phyAddr;
stSrc.u32Width = nWidth;
stSrc.u32Height = nHeight;
stDst.u32Stride = nWidth;
IVE_HANDLE IveHandle;
HI_BOOL bInstant = HI_TRUE;
IVE_CSC_CTRL_S stCscCtrl;
stCscCtrl.enOutFmt = IVE_CSC_OUT_FMT_PACKAGE;
stCscCtrl.enCscMode = IVE_CSC_MODE_VIDEO_BT601_AND_BT656;
//s32Ret = HI_MPI_SYS_MmzAlloc_Cached (&pstSrc->stSrcMem.u32PhyAddr,&pVirtSrc,"User", HI_NULL, pstSrc->u32Height * pstSrc->stSrcMem.u32Stride*2);
//memset(pVirtSrc,1,pstSrc->u32Height * pstSrc->stSrcMem.u32Stride);
ret = HI_MPI_SYS_MmzAlloc_Cached (&stDst.u32PhyAddr, &pVirtDst,"User", HI_NULL, stSrc.u32Height * stDst.u32Stride);
//s32Ret = HI_MPI_IVE_DMA(&IveHandle, &stSrc, &stDst, bInstant);
//HI_MPI_SYS_MmzFree(stSrc.stSrcMem.u32PhyAddr, pVirtSrc);
HI_MPI_SYS_MmzFree(stDst.u32PhyAddr, pVirtDst);
ret=HI_MPI_IVE_CSC(&IveHandle,&stSrc,&stDst,&stCscCtrl,bInstant);
if(ret==HI_FAILURE)
{
printf("YUV Convert to RGB failed!\n");
return HI_FAILURE;
}
pImage = HI_MPI_SYS_Mmap(stDst.u32PhyAddr, nLengthImage/2*3);
if(NULL == pImage)
{
msg_print( "HI_MPI_SYS_Mmap err!\n");
return NVD_FALSE;
} www.zzzyk.com
ret = saveBMPFile((Byte*)pImage, nWidth, nHeight, "/mnt/rgb.dib");
if(0 != ret)
{
printf( "saveBMPFile error\n");
return;
}
printf("saveBMPFile done!\n");
//uninit();
}
补充:软件开发 , C++ ,