嵌入式 hi3518平臺多路碼流添加osd

2016-09-28 00:00:00 廣州睿豐德信息科技有限公司閱讀

睿豐德科技專注RFID識別技術和條碼識別技術與管理軟件的集成項目。質量追溯系統、MES系統、金蝶與條碼系統對接、用友與條碼系統對接 [html] view plain copy

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/******************************************************************************
function : overlay process
1) create some overlay regions
2) display overlay regions ( One Region -- Multi-VencGroup )
3) change all vencGroups Regions' positio
4) change all vencGroups Regions' Layern
5) change all vencGroups Regions' color
6) load bmp form bmp-file to Region-0
7) change all vencGroups Regions' front alpha
8) change all vencGroups Regions' backgroud alpha
9) update bitmap(not support now)
10) show or hide overlay regions
11) Detach overlay regions from chn
12) Detroy overlay regions
******************************************************************************/
HI_S32 JOSEPH_SAMPLE_RGN_OverlayProcess(void)
{
HI_S32 s32Ret = HI_FAILURE;
RGN_HANDLE RgnHandle;
RGN_ATTR_S stRgnAttr;
MPP_CHN_S stChn;
VENC_GRP VencGrp;
RGN_CHN_ATTR_S stChnAttr;
HI_U32 Joseph_u32Layer = 7;
HI_U32 Joseph_bind_DevId = 0;
int last_sec = 0;
/****************************************
step 1: create overlay regions
****************************************/
stRgnAttr.enType = OVERLAY_RGN;
stRgnAttr.unAttr.stOverlay.enPixelFmt = PIXEL_FORMAT_RGB_1555;//PIXEL_FORMAT_RGB_565
stRgnAttr.unAttr.stOverlay.stSize.u32Width = 288;
stRgnAttr.unAttr.stOverlay.stSize.u32Height = 128;
stRgnAttr.unAttr.stOverlay.u32BgColor = 0xffffff;
RgnHandle = 0;
s32Ret = HI_MPI_RGN_Create(RgnHandle, &stRgnAttr);
if(HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("HI_MPI_RGN_Create (%d) failed with %#x!\n", \
RgnHandle, s32Ret);
return HI_FAILURE;
}
SAMPLE_PRT("the handle:%d,creat success!\n",RgnHandle);
/*********************************************
step 2: display overlay regions to venc groups
*********************************************/
for(Joseph_bind_DevId = 0; Joseph_bind_DevId < joseph_ipnc_param.joseph_s32ChnNum; Joseph_bind_DevId++)
{
VencGrp = 0;
stChn.enModId = HI_ID_GROUP;
stChn.s32DevId = Joseph_bind_DevId;
stChn.s32ChnId = VencGrp;
RgnHandle = 0;
printf("%s:[%d] stChn.s32ChnId is %d ,\n",__FUNCTION__,__LINE__,stChn.s32ChnId);
memset(&stChnAttr,0,sizeof(stChnAttr));
stChnAttr.bShow = HI_TRUE;
stChnAttr.enType = OVERLAY_RGN;
stChnAttr.unChnAttr.stOverlayChn.stPoint.s32X = 16;
stChnAttr.unChnAttr.stOverlayChn.stPoint.s32Y = 32;
stChnAttr.unChnAttr.stOverlayChn.u32BgAlpha = 128;
stChnAttr.unChnAttr.stOverlayChn.u32FgAlpha = 0;
stChnAttr.unChnAttr.stOverlayChn.u32Layer = Joseph_u32Layer--;
stChnAttr.unChnAttr.stOverlayChn.stQpInfo.bAbsQp = HI_FALSE;
stChnAttr.unChnAttr.stOverlayChn.stQpInfo.s32Qp = 0;
stChnAttr.unChnAttr.stOverlayChn.stInvertColor.stInvColArea.u32Height = 32;
stChnAttr.unChnAttr.stOverlayChn.stInvertColor.stInvColArea.u32Width = 16;
stChnAttr.unChnAttr.stOverlayChn.stInvertColor.u32LumThresh = 64;
stChnAttr.unChnAttr.stOverlayChn.stInvertColor.bInvColEn = HI_TRUE;
stChnAttr.unChnAttr.stOverlayChn.stInvertColor.enChgMod = LESSTHAN_LUM_THRESH;
s32Ret = HI_MPI_RGN_AttachToChn(RgnHandle, &stChn, &stChnAttr);
if(HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("HI_MPI_RGN_AttachToChn (%d) failed with %#x!\n",\
RgnHandle, s32Ret);
return HI_FAILURE;
}
printf("display region to s32DevId %d chn success!\n",stChn.s32DevId);
}
/*********************************************
step 3: show bitmap
*********************************************/
struct tm *tmnow;
struct timeval tv;
BITMAP_S Joseph_Osd_Bmp;
gettimeofday(&tv,NULL);
setlocale(LC_ALL,"zh_CN.UTF-8");
char osd_content[256] = {0};
char week_chinese[16] = {0};
tmnow = localtime(&tv.tv_sec);
TTF_Font *font;
/* Initialize the TTF library */
if ( TTF_Init() < 0 ) {
return -1;
}
font = TTF_OpenFont(JOSEPH_FONT_FILE, JOSEPH_FONT_SIZE);
if ( font == NULL ) {
printf("%s %d The fonts is NULL !\n",__FUNCTION__,__LINE__);
return -1;
}
/*TTF_SetFontStyle(font, TTF_STYLE_ITALIC);*/
while(1)
{
memset(osd_content,0,sizeof(osd_content));
memset(week_chinese,0,sizeof(week_chinese));
while(1)
{
gettimeofday(&tv,NULL);
if(tv.tv_sec != last_sec)
{
last_sec = tv.tv_sec;
break;
}
usleep(20000);
}
tmnow = localtime(&tv.tv_sec);
#if 0
sprintf(osd_content,"%04d-%02d-%02d %02d:%02d:%02d %s ",\
tmnow->tm_year+1900, tmnow->tm_mon+1, tmnow->tm_mday,tmnow->tm_hour,\
tmnow->tm_min, tmnow->tm_sec,Joseph_utf_weeky_show(tmnow->tm_wday,week_chinese));
#else
sprintf(osd_content,"%04d-%02d-%02d %s %02d:%02d:%02d",\
tmnow->tm_year+1900, tmnow->tm_mon+1, tmnow->tm_mday, Joseph_utf_weeky_show(tmnow->tm_wday,week_chinese),\
tmnow->tm_hour,tmnow->tm_min, tmnow->tm_sec);
#if 0
printf("%s:[%d] The time stamp is %s ... \n",__FUNCTION__,__LINE__,osd_content);
#endif
joseph_get_luminance_from_sensor_test();
#endif
#if 0
joseph_creat_bmp_data(font,osd_content);
#else
joseph_creat_bmp_data_show(font,osd_content,&Joseph_Osd_Bmp);
#endif
for(RgnHandle = 0;RgnHandle < 1;RgnHandle++)
{
#if 0
s32Ret = HI_MPI_RGN_SetBitMap(RgnHandle,&stBitmap);
#else
s32Ret = HI_MPI_RGN_SetBitMap(RgnHandle,&Joseph_Osd_Bmp);
#endif
if(s32Ret != HI_SUCCESS)
{
SAMPLE_PRT("HI_MPI_RGN_SetBitMap failed with %#x!\n", s32Ret);
exit(0);
return HI_FAILURE;
}
free(Joseph_Osd_Bmp.pData);
Joseph_Osd_Bmp.pData = NULL;
}
}
TTF_CloseFont(font);
font = NULL;
TTF_Quit();
#if 1
/*********************************************
step 4: destory region
*********************************************/
for(Joseph_bind_DevId = 0; Joseph_bind_DevId < joseph_ipnc_param.joseph_s32ChnNum; Joseph_bind_DevId++)
{
RgnHandle = 0;
VencGrp = 0;
stChn.enModId = HI_ID_GROUP;
stChn.s32DevId = Joseph_bind_DevId;
stChn.s32ChnId = VencGrp;
RgnHandle = 0;
s32Ret = HI_MPI_RGN_DetachFrmChn(RgnHandle, &stChn);
if(HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("HI_MPI_RGN_DetachFrmChn (%d) failed with %#x!\n",\
RgnHandle, s32Ret);
return HI_FAILURE;
}
}
RgnHandle = 0;
s32Ret = HI_MPI_RGN_Destroy(RgnHandle);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("HI_MPI_RGN_Destroy [%d] failed with %#x\n",\
RgnHandle, s32Ret);
}
SAMPLE_PRT("destory all region success!\n");
#endif
return HI_SUCCESS;
}
</span>

具體Demo代碼可以下載：http://download.csdn.net/detail/skdkjxy/8838309 僅供參考，謝謝~

from:http://blog.csdn.net/skdkjzz/article/details/40429587

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