从通道参数结构体。
struct{ BYTE byChanType; BYTE byRes1[3]; NET_DVR_SLAVE_CHANNEL_UNION uSlaveChannel; BYTE byRes2[64]; }NET_DVR_SLAVE_CHANNEL_PARAM,*LPNET_DVR_SLAVE_CHANNEL_PARAM;
NET_DVR_SLAVE_CHANNEL_CFG