歌曲hash解析链接

{
    "extName": "string",
    "trans_param": {
        "classmap": {
            "attr0": 0
        },
        "display": 0,
        "display_rate": 0
    },
    "fileHead": 0,
    "status": 0,
    "fileSize": 0,
    "bitRate": 0,
    "volume": 0,
    "volume_peak": 0,
    "volume_gain": 0,
    "url": [
        "string"
    ],
    "fileName": "string",
    "timeLength": 0,
    "q": 0
}