def __process_base64(self, base_64):
"""Private method to decode and return the auto data wrapped in the base64 message
Note:
This will remove the blob prefix if the data is returned from a browser
Arguments:
base_64 (str): The base64 str that needs to be processed
Returns: (bytes)
The raw wav data of the base64 wrapped audio
"""
try:
# Web blob prefix to detect and remove
audio_prefix = Configs.get_stt()["audio_prefix"]
if audio_prefix is None:
raise TypeError("AudioPrefix cannot be none")
return b64decode(
base_64.replace(Configs.get_stt()["audio_prefix"], ""))
except Exception as err:
log.error("Error processing base64 audio packet: (err: %s)" %
str(err))
