视频输入配置
/********************************* *函数功能：使能视频输入设备 *输出参数： *返回值：成功为0 失败非0 *********************************/ HI_S32 enable_VI_dev() { HI_S32 s32Ret; //返回值 VI_DEV ViDev = 0; //VI设备号 VI_CHN ViChn = 0; //VI通道号 VI_DEV_ATTR_S stDevAttr; VI_CHN_ATTR_S stChnAttr; stDevAttr.enIntfMode =VI_MODE_BT1120_STANDARD; //接口模式 stDevAttr.enWorkMode = VI_WORK_MODE_1Multiplex; //124路复合工作模式 stDevAttr.au32CompMask[0] = 0xFF000000; //分量掩码 stDevAttr.au32CompMask[1] = 0xFF0000; stDevAttr. enClkEdge = VI_CLK_EDGE_SINGLE_UP; //时钟边沿采样模式 stDevAttr.s32AdChnId[0] = -1; //取值范围 stDevAttr.s32AdChnId[1] = -1; stDevAttr.s32AdChnId[2] = -1; stDevAttr.s32AdChnId[3] = -1; s32Ret = HI_MPI_VI_SetDevAttr(ViDev, &stDevAttr); //设置VI设备属性 if (s32Ret != HI_SUCCESS) { printf("Set dev attributes failed with error code %#x! ", s32Ret); return HI_FAILURE; } s32Ret = HI_MPI_VI_EnableDev(ViDev); //使能VI设备 if (s32Ret != HI_SUCCESS) { printf("Enable dev failed with error code %#x! ", s32Ret); return HI_FAILURE; } /*配置通道属性*/ stChnAttr.stCapRest.s32X = 0; //捕获区域起始坐标 stChnAttr.stCapRect.s32Y = 0; stChnAttr.stCapRect.u32Width = 1920; //捕获区域宽高 stChnAttr.stCapRect.u32Height = 1080; stChnAttr.stDestSize.u32Width = 1920; //目标图像大小 stChnAttr.stDestSize.u32Height = 1080; stChnAttr.enCapSel = VI_CAPSEL_BOTH; //帧场选择 只用于隔行模式 stChnAttr.enScanMode = VI_SCAN_PROGRESSIVE; //输入扫描模式 逐行or隔行 stChnAttr.enPixFormat = PIXEL_FORMAT_YUV_SEMIPLANAR_422; //小苏储存格式 stChnAttr.bMirror = HI_FALSE; //是否水平翻转 stChnAttr.bFlip = HI_FALSE; //是否垂直翻转 stChnAttr.s32SrcFrameRate = -1; //原始帧率 stChnAttr.s32DstFrameRate = -1; //目标帧率 s32Ret = HI_MPI_VI_SetChnAttr(ViChn,&stChnAttr); //通道属性 if (s32Ret != HI_SUCCESS) { printf("Set chn attributes failed with error code %#x! ", s32Ret); return HI_FAILURE; } s32Ret = HI_MPI_VI_EnableChn(ViChn); //使能通道 if (s32Ret != HI_SUCCESS) { printf("Enable chn failed with error code %#x! ", s32Ret); return HI_FAILURE; } /* now, vi is capturing images, you can do something else ... */ s32Ret = HI_MPI_VI_DisableChn(ViChn); //关闭通道 if (s32Ret != HI_SUCCESS) { printf("Disable chn failed with error code %#x! ", s32Ret); return HI_FAILURE; } s32Ret = HI_MPI_VI_DisableDev(ViDev); //关闭设备 if (s32Ret != HI_SUCCESS) { printf("Disable dev failed with error code %#x! ", s32Ret); return HI_FAILURE; } }
实例：
HI_S32 vi_create_chn(PIXEL_FORMAT_E pixform, int vi_chn_num) { VI_DEV ViDev; VI_DEV_ATTR_S stViDevAttr; VI_CHN_BIND_ATTR_S stChnBindAttr; HI_S32 s32Ret = 0;; HI_S32 vi_chn; VI_CHN_ATTR_S stChnAttr,stChnMinorAttr; HI_S32 i = 0; unsigned char ch=0; unsigned char ch_1080p_num=0; unsigned char local_channel = 0; int vi_chn_num_number ; memset(&stViDevAttr,0,sizeof(stViDevAttr)); memcpy(&stViDevAttr,&DEV_ATTR_6114_720P_1MUX_BASE,sizeof(stViDevAttr)); //设置VI设备属性 if(vi_chn_num == 4) { vi_chn_num_number = vi_chn_num*2; } else { vi_chn_num_number = vi_chn_num; } for(i=0; i<vi_chn_num_number/4; i++) { //根据当前的硬件绑定关系，需要开启的VI 设备为DEV2,DEV3 ViDev =i; SAMPLE_COMM_VI_SetMask(ViDev,&stViDevAttr); //modify by yqf 2018.6.21 stViDevAttr.enClkEdge = VI_CLK_EDGE_DOUBLE; //时钟边沿模式 //stViDevAttr.enClkEdge = VI_CLK_EDGE_SINGLE_UP; /* s32Ret = HI_MPI_VI_DisableDev(ViDev); if (s32Ret != HI_SUCCESS) { SDKPRINTF("HI_MPI_VI_DiableDev failed with %#x! ", s32Ret); return HI_FAILURE; }*/ s32Ret = HI_MPI_VI_SetDevAttr(ViDev, &stViDevAttr); //设置VI设备属性 if (s32Ret != HI_SUCCESS) { SDKPRINTF("HI_MPI_VI_SetDevAttr failed with %#x! ", s32Ret); return HI_FAILURE; } s32Ret = HI_MPI_VI_EnableDev(ViDev); //启用VI设备 if (s32Ret != HI_SUCCESS) { SDKPRINTF("HI_MPI_VI_EnableDev failed with %#x! ", s32Ret); return HI_FAILURE; } } // 设置VI通道属性 for(i=0; i<vi_chn_num; i++) { vi_chn = channel_adjust[i]; /* When in the 8x1080p mode, bind chn 2,6,10,14 to way1 is needed */ //1080P和720P需要修改绑定关系vi通道与vi设备之间的绑定关系 //if(major_stream[i].width>=1280) /* { if(vi_chn%4 != 0) { s32Ret = HI_MPI_VI_GetChnBind(vi_chn, &stChnBindAttr); if(HI_ERR_VI_FAILED_NOTBIND == s32Ret) { stChnBindAttr.ViDev = vi_chn/4; stChnBindAttr.ViWay = 1; s32Ret = HI_MPI_VI_BindChn(vi_chn, &stChnBindAttr); if(HI_SUCCESS != s32Ret) { SDKPRINTF("call HI_MPI_VI_BindChn failed with %#x ", s32Ret); return HI_FAILURE; } } } } */ stChnAttr.stCapRect.s32X = 0; stChnAttr.stCapRect.s32Y = 0; //获取当前本地通道的索引值 local_channel = local_chan_index(i); stChnAttr.stDestSize.u32Width = major_stream[local_channel].width; stChnAttr.stDestSize.u32Height = major_stream[local_channel].height; stChnAttr.enCapSel = VI_CAPSEL_BOTH; //modify by yqf 2018.6.21 if(major_stream[local_channel].width==1280) { stChnAttr.stCapRect.u32Width = major_stream[local_channel].width; //*2; } //else if(major_stream[local_channel].width==960) else if(major_stream[local_channel].width < 600) { stChnAttr.stCapRect.u32Width = major_stream[local_channel].width*2; //*4; } else { stChnAttr.stCapRect.u32Width=major_stream[local_channel].width; } printf("%d th origial width is %d , cap width is %d! ",i,major_stream[local_channel].width,stChnAttr.stCapRect.u32Width); // stChnAttr.stCapRect.u32Width=major_stream[i].width; stChnAttr.stCapRect.u32Height = major_stream[local_channel].height; stChnAttr.enPixFormat = PIXEL_FORMAT_YUV_SEMIPLANAR_420; stChnAttr.bMirror = HI_FALSE; stChnAttr.bFlip = HI_FALSE; if(major_stream[local_channel].width == 1920) { if(major_stream[local_channel].v_norm == VIDEO_FORMAT_NTSC) { stChnAttr.s32SrcFrameRate = 30; stChnAttr.s32DstFrameRate= 15; } else { stChnAttr.s32SrcFrameRate = 25; stChnAttr.s32DstFrameRate= 15; } } else if(major_stream[local_channel].height == 720) { if(major_stream[local_channel].v_norm == VIDEO_FORMAT_NTSC) { stChnAttr.s32SrcFrameRate = 30; stChnAttr.s32DstFrameRate = 15; //25; } else { stChnAttr.s32SrcFrameRate = 25; stChnAttr.s32DstFrameRate = 15; //25; } } else { stChnAttr.s32SrcFrameRate = -1; stChnAttr.s32DstFrameRate= -1; } if(major_stream[local_channel].height<600) { stChnAttr.enScanMode=VI_SCAN_INTERLACED; } else { stChnAttr.enScanMode=VI_SCAN_PROGRESSIVE; } printf("%d th major stream width is %d! ",i,major_stream[i].width); //设置通道属性 s32Ret = HI_MPI_VI_SetChnAttr(vi_chn, &stChnAttr); if (s32Ret != HI_SUCCESS) { SDKPRINTF("vi_chn (%d) failed with %#x! ",vi_chn, s32Ret); return HI_FAILURE; } /* if(major_stream[i].width == 1920) { stChnMinorAttr.stDestSize.u32Width= 960; stChnMinorAttr.stDestSize.u32Height= 540; stChnMinorAttr.s32SrcFrameRate = 30; stChnMinorAttr.s32DstFrameRate = 10; s32Ret = HI_MPI_VI_SetChnMinorAttr(vi_chn, &stChnMinorAttr); if (HI_SUCCESS != s32Ret) { SDKPRINTF("call HI_MPI_VI_SetChnMinorAttr failed with %#x ", s32Ret); return HI_FAILURE; } } */ /* if(major_stream[i].width==960) { s32Ret =HI_MPI_VI_SetSkipMode(vi_chn,1); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } } else if(major_stream[i].width==1280) { s32Ret =HI_MPI_VI_SetSkipMode(vi_chn,2); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } } else if(major_stream[i].width==1920) { s32Ret =HI_MPI_VI_SetSkipMode(vi_chn,0); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } } */ #if 0 if((major_stream[i].videosize == PIC_720PV1) || if(major_stream[i].videosize == PIC_720PV2)) { if(2 == vi_chn%4) { s32Ret = HI_MPI_VI_EnableChn422to420(vi_chn); if (s32Ret != HI_SUCCESS) { SDKPRINTF("HI_MPI_VI_EnableChn422to420 failed with %#x! ", s32Ret); return HI_FAILURE; } } } #endif s32Ret = HI_MPI_VI_EnableChn(vi_chn); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } /* if(major_stream[i].width==1280) { VI_SKIP_MODE_EX_S stModeEx; s32Ret = HI_MPI_VI_GetSkipModeEx(vi_chn,&stModeEx); stModeEx.bEnable = HI_TRUE; stModeEx.u32YMask = 9; s32Ret = HI_MPI_VI_SetSkipModeEx(vi_chn,&stModeEx); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } }else{ VI_SKIP_MODE_EX_S stModeEx; s32Ret = HI_MPI_VI_GetSkipModeEx(vi_chn,&stModeEx); stModeEx.bEnable = HI_FALSE; stModeEx.u32YMask = 1; s32Ret = HI_MPI_VI_SetSkipModeEx(vi_chn,&stModeEx); if (s32Ret != HI_SUCCESS) { SDKPRINTF("failed with %#x! ", s32Ret); return HI_FAILURE; } } */ } return HI_SUCCESS; }