protocol.GetMvUrlRsp

{
    "mv_cover": "string",
    "mv_name": "string",
    "mv_size": 0,
    "mv_url": "string",
    "v_media_fmt_info": [
        {
            "iFmt": 0,
            "sUrl": "string",
            "iCodec": 0,
            "sCacheKey": "string"
        }
    ]
}