1#!/usr/bin/env python3 2# 3# Copyright 2020 - The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17from acts import logger 18from acts.controllers.fuchsia_lib.base_lib import BaseLib 19 20import base64 21 22 23class FuchsiaAudioLib(BaseLib): 24 25 def __init__(self, addr: str) -> None: 26 super().__init__(addr, "audio") 27 28 def startOutputSave(self): 29 """Starts saving audio output on the device 30 31 Returns: 32 Dictionary is success, error if error. 33 """ 34 test_cmd = "audio_facade.StartOutputSave" 35 test_args = {} 36 37 return self.send_command(test_cmd, test_args) 38 39 def stopOutputSave(self): 40 """Stops saving audio output on the device 41 42 Returns: 43 Dictionary is success, error if error. 44 """ 45 test_cmd = "audio_facade.StopOutputSave" 46 test_args = {} 47 48 return self.send_command(test_cmd, test_args) 49 50 def getOutputAudio(self, save_path): 51 """Gets the saved audio in base64 encoding. Use base64.b64decode. 52 53 Args: 54 save_path: The path to save the raw audio 55 56 Returns: 57 True if success, False if error. 58 """ 59 test_cmd = "audio_facade.GetOutputAudio" 60 test_args = {} 61 62 result = self.send_command(test_cmd, test_args) 63 if result.get("error") is not None: 64 self.log.error("Failed to get recorded audio.") 65 return False 66 67 f = open(save_path, "wb") 68 f.write(base64.b64decode(result.get('result'))) 69 f.close() 70 self.log.info("Raw audio file captured at {}".format(save_path)) 71 return True 72