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FFmpegAndroid/app/src/main/java/com/frank/ffmpeg/activity/AudioHandleActivity.java

237 lines
9.0 KiB

package com.frank.ffmpeg.activity;
import android.annotation.SuppressLint;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;
import java.io.File;
import com.frank.ffmpeg.AudioPlayer;
import com.frank.ffmpeg.FFmpegCmd;
import com.frank.ffmpeg.R;
import com.frank.ffmpeg.mp3.Mp3Converter;
import com.frank.ffmpeg.util.FFmpegUtil;
import com.frank.ffmpeg.util.FileUtil;
/**
* 使用ffmpeg处理音频
* Created by frank on 2018/1/23.
*/
public class AudioHandleActivity extends AppCompatActivity implements View.OnClickListener{
private final static String TAG = AudioHandleActivity.class.getSimpleName();
private final static String PATH = Environment.getExternalStorageDirectory().getPath();
private String srcFile = PATH + File.separator + "tiger.mp3";
private String appendFile = PATH + File.separator + "test.mp3";
private final static int MSG_BEGIN = 11;
private final static int MSG_FINISH = 12;
private ProgressBar progress_audio;
@SuppressLint("HandlerLeak")
private Handler mHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what){
case MSG_BEGIN:
progress_audio.setVisibility(View.VISIBLE);
setGone();
break;
case MSG_FINISH:
progress_audio.setVisibility(View.GONE);
setVisible();
break;
default:
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_audio_handle);
initView();
}
private void initView() {
progress_audio = (ProgressBar) findViewById(R.id.progress_audio);
findViewById(R.id.btn_transform).setOnClickListener(this);
findViewById(R.id.btn_cut).setOnClickListener(this);
findViewById(R.id.btn_concat).setOnClickListener(this);
findViewById(R.id.btn_mix).setOnClickListener(this);
findViewById(R.id.btn_play_audio).setOnClickListener(this);
findViewById(R.id.btn_play_opensl).setOnClickListener(this);
findViewById(R.id.btn_audio_encode).setOnClickListener(this);
findViewById(R.id.btn_pcm_concat).setOnClickListener(this);
}
private void setVisible() {
findViewById(R.id.btn_transform).setVisibility(View.VISIBLE);
findViewById(R.id.btn_cut).setVisibility(View.VISIBLE);
findViewById(R.id.btn_concat).setVisibility(View.VISIBLE);
findViewById(R.id.btn_mix).setVisibility(View.VISIBLE);
findViewById(R.id.btn_play_audio).setVisibility(View.VISIBLE);
findViewById(R.id.btn_play_opensl).setVisibility(View.VISIBLE);
findViewById(R.id.btn_audio_encode).setVisibility(View.VISIBLE);
findViewById(R.id.btn_pcm_concat).setVisibility(View.VISIBLE);
}
private void setGone() {
findViewById(R.id.btn_transform).setVisibility(View.GONE);
findViewById(R.id.btn_cut).setVisibility(View.GONE);
findViewById(R.id.btn_concat).setVisibility(View.GONE);
findViewById(R.id.btn_mix).setVisibility(View.GONE);
findViewById(R.id.btn_play_audio).setVisibility(View.GONE);
findViewById(R.id.btn_play_opensl).setVisibility(View.GONE);
findViewById(R.id.btn_audio_encode).setVisibility(View.GONE);
findViewById(R.id.btn_pcm_concat).setVisibility(View.GONE);
}
@Override
public void onClick(View v) {
int handleType;
switch (v.getId()){
case R.id.btn_transform:
handleType = 0;
break;
case R.id.btn_cut:
handleType = 1;
break;
case R.id.btn_concat:
handleType = 2;
break;
case R.id.btn_mix:
handleType = 3;
break;
case R.id.btn_play_audio:
handleType = 4;
break;
case R.id.btn_play_opensl:
handleType = 5;
break;
case R.id.btn_audio_encode:
handleType = 6;
break;
case R.id.btn_pcm_concat:
handleType = 7;
break;
default:
handleType = 0;
break;
}
doHandleAudio(handleType);
}
/**
* 调用ffmpeg处理音频
* @param handleType handleType
*/
private void doHandleAudio(int handleType){
String[] commandLine = null;
if (!FileUtil.checkFileExist(srcFile)){
return;
}
switch (handleType){
case 0://转码
// String transformFile = PATH + File.separator + "transform.aac";
// commandLine = FFmpegUtil.transformAudio(srcFile, transformFile);
//使用mp3lame进行转码
String inputFile = PATH + File.separator + "hello.aac";
String transformFile = PATH + File.separator + "transform.mp3";
Mp3Converter mp3Converter = new Mp3Converter();
mp3Converter.convertToMp3(inputFile, transformFile);
break;
case 1://剪切
String cutFile = PATH + File.separator + "cut.mp3";
commandLine = FFmpegUtil.cutAudio(srcFile, 10, 15, cutFile);
break;
case 2://合并,支持MP3、AAC、AMR等,不支持PCM裸流,不支持WAV(PCM裸流加音频头)
if (!FileUtil.checkFileExist(appendFile)){
return;
}
String concatFile = PATH + File.separator + "concat.mp3";
commandLine = FFmpegUtil.concatAudio(srcFile, appendFile, concatFile);
break;
case 3://混合
if (!FileUtil.checkFileExist(appendFile)){
return;
}
String mixFile = PATH + File.separator + "mix.aac";
commandLine = FFmpegUtil.mixAudio(srcFile, appendFile, mixFile);
break;
case 4://解码播放(AudioTrack)
new Thread(new Runnable() {
@Override
public void run() {
new AudioPlayer().play(srcFile);
}
}).start();
return;
case 5://解码播放(OpenSL ES)
new Thread(new Runnable() {
@Override
public void run() {
new AudioPlayer().playAudio(srcFile);
}
}).start();
return;
case 6://音频编码
//可编码成WAV、AAC。如果需要编码成MP3、AMR,ffmpeg需要重新编译,把MP3、AMR库enable
String pcmFile = PATH + File.separator + "concat.pcm";
String wavFile = PATH + File.separator + "new.wav";
//pcm数据的采样率,一般采样率为8000、16000、44100
int sampleRate = 8000;
//pcm数据的声道,单声道为1,立体声道为2
int channel = 1;
commandLine = FFmpegUtil.encodeAudio(pcmFile, wavFile, sampleRate, channel);
break;
case 7://PCM裸流音频文件合并
String srcPCM = PATH + File.separator + "audio.pcm";//第一个pcm文件
String appendPCM = PATH + File.separator + "audio.pcm";//第二个pcm文件
String concatPCM = PATH + File.separator + "concat.pcm";//合并后的文件
if (!FileUtil.checkFileExist(srcPCM) || !FileUtil.checkFileExist(appendPCM)){
return;
}
mHandler.obtainMessage(MSG_BEGIN).sendToTarget();
FileUtil.concatFile(srcPCM, appendPCM, concatPCM);
mHandler.obtainMessage(MSG_FINISH).sendToTarget();
return;
default:
break;
}
executeFFmpegCmd(commandLine);
}
/**
* 执行ffmpeg命令行
* @param commandLine commandLine
*/
private void executeFFmpegCmd(final String[] commandLine){
if(commandLine == null){
return;
}
FFmpegCmd.execute(commandLine, new FFmpegCmd.OnHandleListener() {
@Override
public void onBegin() {
Log.i(TAG, "handle audio onBegin...");
mHandler.obtainMessage(MSG_BEGIN).sendToTarget();
}
@Override
public void onEnd(int result) {
Log.i(TAG, "handle audio onEnd...");
mHandler.obtainMessage(MSG_FINISH).sendToTarget();
}
});
}
}