/******************************************************************************
Some simple Hisilicon Hi35xx video input functions.
Copyright (C), 2010-2011, Hisilicon Tech. Co., Ltd.
******************************************************************************
Modification: 2011-2 Created
******************************************************************************/
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif /* End of #ifdef __cplusplus */
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "hi_comm_video.h"
#include "mpi_vi.h"
#include "zbar.h"
//#include "test_images.h"
#include "sample_comm.h"
#define MAX_FRM_WIDTH 2048
static HI_CHAR* pUserPageAddr[2] = {HI_NULL,HI_NULL};
static HI_U32 u32Size = 0;
static FILE* pfd = HI_NULL;
HI_S32 SAMPLE_COMM_VPSS_GetImg(VPSS_GRP VpssGrp, VPSS_CHN VpssChn)
{
printf("grp:%d,chn:%d\n",VpssGrp,VpssChn);
zbar_image_scanner_t *scanner = NULL;
/* create a reader */
scanner = zbar_image_scanner_create();
/* configure the reader */
zbar_image_scanner_set_config(scanner, 0, ZBAR_CFG_ENABLE, 1);
/* obtain image data */
int width=0,height=0;
HI_S32 s32ret;
HI_VOID* yPtr;
VIDEO_FRAME_INFO_S stFrame;
HI_U32 u32Depth,i;
char * pVBufVirt_Y;
HI_CHAR *pUserPageAddr[2];
HI_U32 u32UvHeight;
char* pVBufVirt_C;
HI_CHAR szYuvName[128];
char* pMemContent;
HI_CHAR szPixFrm[10];
unsigned int w, h;
static unsigned char TmpBuff[MAX_FRM_WIDTH];
HI_U32 u32Cnt = 1;
snprintf(szPixFrm, 10, "P420");
/* set max depth */
u32Depth =3;
HI_U32 len;
snprintf(szYuvName, 128, "./vpss_grp%d_chn%d_w%d_h%d_%s_%d.yuv", VpssGrp, VpssChn,
stFrame.stVFrame.u32Width, stFrame.stVFrame.u32Height, szPixFrm, u32Cnt);
printf("Dump YUV frame of vpss chn %d to file: \"%s\"\n", VpssChn, szYuvName);
fflush(stdout);
pfd = fopen(szYuvName, "wb");
s32ret = HI_MPI_VPSS_SetDepth(VpssGrp,VpssChn,u32Depth);//HI_MPI_VPSS_SetDepth
if (HI_SUCCESS != s32ret)
{
printf("set max depth err:0x%x\n", s32ret);
return s32ret;
}
while(1)
{
/* get video frame from vpss chn */
s32ret = HI_MPI_VPSS_GetChnFrame(VpssGrp,VpssChn,&stFrame,-1);
if (HI_SUCCESS != s32ret)
{ printf("get vpss frame err:0x%x\n", s32ret);
return s32ret;
}
width=stFrame.stVFrame.u32Width;
height=stFrame.stVFrame.u32Height;
//raw=(void*)malloc(2*width*height);
zbar_image_t *image = zbar_image_create();
zbar_image_set_format(image, *(int*)"NV21");
zbar_image_set_size(image, width, height);
printf("get vpss frame u32Width: 0x%x\n", stFrame.stVFrame.u32Width);
printf("get vpss frame u32Height: 0x%x\n", stFrame.stVFrame.u32Height);
u32UvHeight = stFrame.stVFrame.u32Height/2;
//len = (stFrame.stVFrame.u32Stride[0])*(stFrame.stVFrame.u32Height)+(stFrame.stVFrame.u32Stride[1])*u32UvHeight;
len = (stFrame.stVFrame.u32Stride[0])*(stFrame.stVFrame.u32Height)*3 / 2;
// yPtr= HI_MPI_SYS_Mmap(stFrame.stVFrame.u32PhyAddr[0], len);
pUserPageAddr[0] = (HI_CHAR *) HI_MPI_SYS_Mmap(stFrame.stVFrame.u32PhyAddr[0], len);
pVBufVirt_Y = pUserPageAddr[0];
pVBufVirt_C = pVBufVirt_Y + (stFrame.stVFrame.u32Stride[0]) * (stFrame.stVFrame.u32Height);
fprintf(stderr, "saving......Y......");
fflush(stderr);
for (h = 0; h < stFrame.stVFrame.u32Height; h++)
{
pMemContent = pVBufVirt_Y + h * stFrame.stVFrame.u32Stride[0];
fwrite(pMemContent, stFrame.stVFrame.u32Width, 1, pfd);
}
fflush(pfd);
/* save U ----------------------------------------------------------------*/
fprintf(stderr, "U......");
fflush(stderr);
for (h = 0; h < u32UvHeight; h++)
{
pMemContent = pVBufVirt_C + h * stFrame.stVFrame.u32Stride[1];
pMemContent += 1;
for (w = 0; w < stFrame.stVFrame.u32Height / 2; w++)
{
TmpBuff[w] = *pMemContent;
pMemContent += 2;
}
fwrite(TmpBuff, stFrame.stVFrame.u32Width / 2, 1, pfd);
}
fflush(pfd);
/* save V ----------------------------------------------------------------*/
fprintf(stderr, "V......");
fflush(stderr);
for (h = 0; h < u32UvHeight; h++)
{
pMemContent = pVBufVirt_C + h * stFrame.stVFrame.u32Stride[1];
for (w = 0; w < stFrame.stVFrame.u32Width / 2; w++)
{
TmpBuff[w] = *pMemContent;
pMemContent += 2;
}
fwrite(TmpBuff, stFrame.stVFrame.u32Width / 2, 1, pfd);
}
fflush(pfd);
fprintf(stderr, "done %d, 0x%x!\n", stFrame.stVFrame.u32TimeRef, stFrame.stVFrame.u32PhyAddr[0]);
fflush(stderr);
zbar_image_set_data(image,pVBufVirt_Y, (stFrame.stVFrame.u32Stride[0])*(stFrame.stVFrame.u32Height), NULL);
zbar_image_t *test=zbar_image_convert(image,*(int*)"Y800");
s32ret= HI_MPI_VPSS_ReleaseChnFrame(VpssGrp,VpssChn,&stFrame);
if (HI_SUCCESS != s32ret)
{ printf("Release vi frame err:0x%x\n", s32ret);
return s32ret;
}
/* scan the image for barcodes */
int n = zbar_scan_image(scanner, test);//二维码扫描
printf("n=%d\n",n);
if(n==0)
continue;
/* extract results */
const zbar_symbol_t *symbol = zbar_image_first_symbol(test);
for(; symbol; symbol = zbar_symbol_next(symbol))
{
/* do something useful with results */
zbar_symbol_type_t typ = zbar_symbol_get_type(symbol);
const char *data = zbar_symbol_get_data(symbol);
printf("decoded %s symbol \"%s\"\n",
zbar_get_symbol_name(typ), data);
}
HI_MPI_SYS_Munmap(pUserPageAddr[0], len);
}
return s32ret;
}
