我目前使用AudioRecord类从设备麦克风中读取录音,然后使用AudioTrack类将其播放出去。Android - 通过听筒播放音频
我的问题是,当我播放它通过扬声器电话播放。
我希望它通过设备上的耳塞播放。
这里是我的代码:
public class LoopProg extends Activity {
boolean isRecording; //currently not used
AudioManager am;
int count = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
am.setMicrophoneMute(true);
while(count <= 1000000){
Record record = new Record();
record.run();
count ++;
Log.d("COUNT", "Count is : " + count);
}
}
public class Record extends Thread{
static final int bufferSize = 200000;
final short[] buffer = new short[bufferSize];
short[] readBuffer = new short[bufferSize];
public void run() {
isRecording = true;
android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
int buffersize = AudioRecord.getMinBufferSize(11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT);
AudioRecord arec = new AudioRecord(MediaRecorder.AudioSource.MIC, 11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, buffersize);
AudioTrack atrack = new AudioTrack(AudioManager.STREAM_MUSIC, 11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, buffersize, AudioTrack.MODE_STREAM);
am.setRouting(AudioManager.MODE_NORMAL,1, AudioManager.STREAM_MUSIC);
int ok = am.getRouting(AudioManager.ROUTE_EARPIECE);
Log.d("ROUTING", "getRouting = " + ok);
setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
//am.setSpeakerphoneOn(true);
Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn());
am.setSpeakerphoneOn(false);
Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn());
atrack.setPlaybackRate(11025);
byte[] buffer = new byte[buffersize];
arec.startRecording();
atrack.play();
while(isRecording) {
arec.read(buffer, 0, buffersize);
atrack.write(buffer, 0, buffer.length);
}
arec.stop();
atrack.stop();
isRecording = false;
}
}
}
正如你可以看到,如果代码中,我使用AudioManager类及其方法,包括弃用setRouting方法并没有什么作品试过了,setSpeakerphoneOn方法似乎没有任何效果根本没有路由方法。
有没有人有任何想法如何让它通过耳机而不是spaker手机玩?
在设置为IN_CALL之前,您是否需要将音频设置回初始状态?像这样:int currAudioMode = audioManager.getMode(); \t \t \t \t \t \t audioManager.setMode(AudioManager.MODE_IN_CALL); \t \t \t audioManager.setSpeakerphoneOn(actionData.speakerOn); \t \t \t \t \t \t audioManager.setMode(currAudioMode); – Muzikant 2011-06-16 09:04:28
我将其重新设置为MODE_NORMAL以重新打开扬声器电话。因此,上面的代码关闭扬声器并路由到听筒,下面的代码路径可以回到扬声器的默认设置。 'm_amAudioManager.setMode(AudioManager.MODE_NORMAL);' – Piwaf 2011-08-10 15:39:18
它干扰手机的全局设置吗? – 2012-10-31 09:17:20