# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the 
import base64


def wav2base64(wav_file: str):
    """
    read wave file and covert to base64 string
    """
    with open(wav_file, 'rb') as f:
        base64_bytes = base64.b64encode(f.read())
        base64_string = base64_bytes.decode('utf-8')
    return base64_string


def base64towav(base64_string: str):
    pass


def self_check():
    """ self check resource
    """
    return True