| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.cts.verifier.audio; |
| |
| import android.media.AudioFormat; |
| import android.media.AudioManager; |
| import android.media.AudioRecord; |
| |
| import android.media.MediaRecorder; |
| |
| import java.lang.InterruptedException; |
| import java.lang.Runnable; |
| |
| public class TrivialRecorder implements Runnable { |
| AudioRecord mAudioRecord; |
| int mBufferSize; |
| |
| boolean mRecord; |
| boolean mIsRecording; |
| |
| short[] mAudioData; |
| |
| Thread mReaderThread = null; |
| |
| public TrivialRecorder() { |
| mBufferSize = |
| AudioRecord.getMinBufferSize( |
| 41000, |
| AudioFormat.CHANNEL_IN_MONO, |
| AudioFormat.ENCODING_PCM_16BIT); |
| mAudioRecord = |
| new AudioRecord( |
| MediaRecorder.AudioSource.DEFAULT, |
| 41000, |
| AudioFormat.CHANNEL_IN_MONO, |
| AudioFormat.ENCODING_PCM_16BIT, |
| mBufferSize); |
| |
| mRecord = false; |
| mIsRecording = false; |
| |
| // setup audio data (silence will suffice) |
| mAudioData = new short[mBufferSize]; |
| } |
| |
| public AudioRecord getAudioRecord() { return mAudioRecord; } |
| |
| public boolean mIsRecording() { |
| synchronized (this) { |
| return mIsRecording; |
| } |
| } |
| |
| public void start() { |
| mRecord = true; |
| mReaderThread = new Thread(this); |
| mReaderThread.start(); |
| } |
| |
| public void stop() { |
| mRecord = false; |
| mReaderThread = null; |
| } |
| |
| public void shutDown() { |
| stop(); |
| while (mIsRecording()) { |
| try { |
| Thread.sleep(10); |
| } catch (InterruptedException ex) { |
| } |
| } |
| mAudioRecord.release(); |
| } |
| |
| @Override |
| public void run() { |
| mAudioRecord.startRecording(); |
| synchronized (this) { |
| mIsRecording = true; |
| } |
| while (mRecord) { |
| mAudioRecord.read(mAudioData, 0, mBufferSize); |
| } |
| mAudioRecord.stop(); |
| synchronized (this) { |
| mIsRecording = false; |
| } |
| } |
| } |