video_vi2vo.c

来自「sample on embedded linux」· C语言 代码 · 共 79 行

#include "hi_common_api.h" 
#include "video_comm.h"
/*config system parameter*/
HI_U16 mode = D1;
HI_U16 normal = NTSC;
VENC_FORMAT_E format = VENC_FORMAT_H264;

int main()
{
    HI_S32 hiRet = HI_SUCCESS;
    HI_S32 viChn;
    HI_S32 voChn;
    HI_S32 tmp;
    /*step 1: config A/D device*/
    hiRet = ADconfig(mode, normal);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("ADconfig failed\n");
        HI_VENC_Close();
	    return hiRet;
	}
	
    /*step 2: config VI public attribute*/
	hiRet = ViPubConfig(mode, normal, format);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("vi public atr config failed\n");
        HI_VENC_Close();
	    return hiRet;
	}

	/*step 3: config VI channel attribute*/
	viChn = 0; 
	hiRet = ViChnConfig(mode, normal, viChn);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("vi chn atr config failed\n");
        HI_VENC_Close();
	    return hiRet;
	}
    /*step 4: config D/A device*/
    hiRet = DAconfig(normal);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("DAconfig failed\n");
        HI_VENC_Close();
	    return hiRet;
	}
    /*step 5: config VO public attribute*/
    hiRet = VoPubConfig(normal);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("vo public attr config failed\n");
        HI_VENC_Close();
	    return hiRet;
	}

    /*step 6: config VO channel attribute*/
	voChn = 0; 
	hiRet = VoChnConfig(normal, voChn);
	if (HI_SUCCESS != hiRet)
	{
	    printf ("vo chn atr config failed\n");
        HI_VENC_Close();
	    return hiRet;
	}
    /*step: 7 enable VI2VO*/
    hiRet = HI_VI_EnVi2Vo(viChn, voChn, HI_TRUE);
    if (HI_SUCCESS != hiRet)
	{
	    printf ("envi2vo chn atr config failed\n");
        HI_VENC_Close();
	    return hiRet;
	}

    scanf ("%d\n", &tmp);
	return HI_SUCCESS;
}