mmengine.fileio.generate_presigned_url

mmengine.fileio.generate_presigned_url(url, client_method='get_object', expires_in=3600, backend_args=None)

Generate the presigned url of video stream which can be passed to mmcv.VideoReader. Now only work on Petrel backend.

备注

Now only work on Petrel backend.

参数:

• url (str) – Url of video stream.

• client_method (str) – Method of client, ‘get_object’ or ‘put_object’. Defaults to ‘get_object’.

• expires_in (int) – expires, in seconds. Defaults to 3600.

• backend_args (dict, optional) – Arguments to instantiate the corresponding backend. Defaults to None.

返回:

Generated presigned url.

返回类型:

str