video_vbiattr.c

来自「sample on embedded linux」· C语言 代码 · 共 34 行

#include "hi_common_api.h" 
int main()
{
VBI_CFG_S vbiCfg;
HI_S32 ret;

ret = HI_VI_GetVBI(&vbiCfg);
if (ret != HI_SUCCESS)
{
    printf("get vbi config error. ERRNO:%#x\n",ret);
}
else /* do something with the value we just get */
{
    printf("VBI start_x:%u, start_y:%u\n",
    vbiCfg.u32Interval, vbiCfg.u32Excursion);
    printf("Channel ID in VBI start from:%u\n", vbiCfg.u32Start);    
    /* ... */
}

/* set VBI strategy*/
vbiCfg.u32Count = 1;
vbiCfg.u32Excursion = 6;
vbiCfg.u32Interval  = 11;
vbiCfg.u32Position = 0;
vbiCfg.u32Size  = 2;
vbiCfg.u32Start = 30;

ret = HI_VI_SetVBI(&vbiCfg);
if (ret != HI_SUCCESS)
{
    printf("Set vbi error! ERRNO:%d\n", ret);
}
}