单组码流配置参数结构体。
struct{ DWORD dwSize; DWORD dwGroup; NET_DVR_MULTI_STREAM_COMPRESSIONCFG_COND struStreamPara; BYTE byRes[64]; }NET_DVR_MUL_STREAM_CHANNEL_GROUP,*LPNET_DVR_MUL_STREAM_CHANNEL_GROUP;
NET_DVR_GetDeviceConfig