package com.fanghua.driver.utils;
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import android.content.Context;
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import android.media.MediaPlayer;
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import android.media.MediaRecorder;
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import android.net.Uri;
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import android.os.Environment;
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import android.os.Handler;
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import android.util.Log;
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import java.io.File;
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import java.io.IOException;
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import cn.sinata.xldutils.utils.TimeUtils;
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public class AudioRecoderUtils {
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//文件路径
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private String filePath;
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//文件夹路径
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private String FolderPath;
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private MediaRecorder mMediaRecorder;
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private final String TAG = "fan";
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public static final int MAX_LENGTH = 1000 * 60;// 最大录音时长1000*60*10;
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private OnAudioStatusUpdateListener audioStatusUpdateListener;
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private MediaPlayer mMediaPlayer;
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/**
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* 文件存储默认sdcard/record
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*/
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public AudioRecoderUtils() {
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//默认保存路径为/sdcard/record/下
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this(Environment.getExternalStorageDirectory() + "/record/");
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}
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public AudioRecoderUtils(String filePath) {
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File path = new File(filePath);
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if (!path.exists())
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path.mkdirs();
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this.FolderPath = filePath;
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}
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private long startTime;
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private long endTime;
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/**
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* 开始录音 使用amr格式
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* 录音文件
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*
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* @return
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*/
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public void startRecord() {
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// 开始录音
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/* ①Initial：实例化MediaRecorder对象 */
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if (mMediaRecorder == null)
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mMediaRecorder = new MediaRecorder();
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try {
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/* ②setAudioSource/setVedioSource */
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mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 设置麦克风
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/* ②设置音频文件的编码：AAC/AMR_NB/AMR_MB/Default 声音的（波形）的采样 */
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mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AAC_ADTS);
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/*
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* ②设置输出文件的格式：THREE_GPP/MPEG-4/RAW_AMR/Default THREE_GPP(3gp格式
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* ，H263视频/ARM音频编码)、MPEG-4、RAW_AMR(只支持音频且音频编码要求为AMR_NB)
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*/
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mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
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filePath = FolderPath + TimeUtils.getCurrentTime() + ".caf";
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/* ③准备 */
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mMediaRecorder.setOutputFile(filePath);
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mMediaRecorder.setMaxDuration(MAX_LENGTH);
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mMediaRecorder.prepare();
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/* ④开始 */
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mMediaRecorder.start();
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// AudioRecord audioRecord.
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/* 获取开始时间* */
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startTime = System.currentTimeMillis();
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updateMicStatus();
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Log.e("fan", "startTime" + startTime);
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} catch (IllegalStateException e) {
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Log.i(TAG, "call startAmr(File mRecAudioFile) failed!" + e.getMessage());
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} catch (IOException e) {
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Log.i(TAG, "call startAmr(File mRecAudioFile) failed!" + e.getMessage());
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}
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}
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/**
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* 停止录音
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*/
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public long stopRecord() {
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if (mMediaRecorder == null)
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return 0L;
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endTime = System.currentTimeMillis();
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//有一些网友反应在5.0以上在调用stop的时候会报错，翻阅了一下谷歌文档发现上面确实写的有可能会报错的情况，捕获异常清理一下就行了，感谢大家反馈！
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try {
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mMediaRecorder.stop();
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mMediaRecorder.reset();
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mMediaRecorder.release();
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mMediaRecorder = null;
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audioStatusUpdateListener.onStop(filePath);
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filePath = "";
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} catch (RuntimeException e) {
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if (mMediaRecorder != null) {
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mMediaRecorder.reset();
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mMediaRecorder.release();
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mMediaRecorder = null;
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}
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File file = new File(filePath);
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if (file.exists())
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file.delete();
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filePath = "";
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}
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return endTime - startTime;
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}
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public String getFilePath() {
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return filePath;
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}
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/**
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* 取消录音
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*/
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public void cancelRecord() {
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try {
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mMediaRecorder.stop();
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mMediaRecorder.reset();
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mMediaRecorder.release();
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mMediaRecorder = null;
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} catch (RuntimeException e) {
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mMediaRecorder.reset();
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mMediaRecorder.release();
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mMediaRecorder = null;
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}
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File file = new File(filePath);
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if (file.exists())
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file.delete();
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filePath = "";
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}
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private final Handler mHandler = new Handler();
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private Runnable mUpdateMicStatusTimer = new Runnable() {
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public void run() {
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updateMicStatus();
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}
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};
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private int BASE = 1;
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private int SPACE = 100;// 间隔取样时间
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public void setOnAudioStatusUpdateListener(OnAudioStatusUpdateListener audioStatusUpdateListener) {
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this.audioStatusUpdateListener = audioStatusUpdateListener;
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}
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/**
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* 更新麦克状态
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*/
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private void updateMicStatus() {
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if (mMediaRecorder != null) {
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double ratio = (double) mMediaRecorder.getMaxAmplitude() / BASE;
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double db = 0;// 分贝
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if (ratio > 1) {
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db = 20 * Math.log10(ratio);
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if (null != audioStatusUpdateListener) {
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audioStatusUpdateListener.onUpdate(db, System.currentTimeMillis() - startTime);
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}
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}
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mHandler.postDelayed(mUpdateMicStatusTimer, SPACE);
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}
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}
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public interface OnAudioStatusUpdateListener {
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/**
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* 录音中...
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*
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* @param db 当前声音分贝
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* @param time 录音时长
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*/
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public void onUpdate(double db, long time);
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/**
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* 停止录音
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*
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* @param filePath 保存路径
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*/
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public void onStop(String filePath);
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public void onStartPlay();
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public void onFinishPlay();
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}
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//开始播放录音
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public void startplayMusic(Context context, String filePath) {
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if (mMediaPlayer != null) {
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stopPlayMusic();
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}
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mMediaPlayer = new MediaPlayer();
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try {
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Log.e("mmp", "path:" + filePath);
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mMediaPlayer.setDataSource(context, Uri.parse(filePath));
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mMediaPlayer.prepareAsync();
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mMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
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@Override
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public void onPrepared(MediaPlayer mp) {
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// 装载完毕回调
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mMediaPlayer.start();
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if (audioStatusUpdateListener != null)
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audioStatusUpdateListener.onStartPlay();
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}
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});
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mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
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@Override
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public void onCompletion(MediaPlayer mp) {
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if (audioStatusUpdateListener != null)
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audioStatusUpdateListener.onFinishPlay();
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stopPlayMusic();
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// BaseEvent baseEvent = new BaseEvent(BaseEvent.SEND_AODIO_PLAY_OVER);
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// baseEvent.setMsg(filePath);
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// EventBus.getDefault().post(baseEvent);
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}
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});
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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//结束录音播放
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public void stopPlayMusic() {
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if (mMediaPlayer == null)
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return;
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try {
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mMediaPlayer.stop();
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mMediaPlayer.release();
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if (audioStatusUpdateListener != null)
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audioStatusUpdateListener.onFinishPlay();
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mMediaPlayer = null;
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} catch (IllegalStateException e) {
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e.printStackTrace();
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}
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}
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/**
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* 获取文件长度
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*
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* @param context
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* @param filePath
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* @return
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*/
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public int getMusicTime(Context context, String filePath) {
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if (mMediaPlayer != null) {
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stopPlayMusic();
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}
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mMediaPlayer = new MediaPlayer();
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try {
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mMediaPlayer.setDataSource(context, Uri.parse(filePath));
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mMediaPlayer.prepare();
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int duration = mMediaPlayer.getDuration();
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if (0 != duration) {
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mMediaPlayer.release();
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return duration / 1000;
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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return 0;
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}
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}
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