I am trying record from the AudioRecorder then I am trying to play the same with Media Player, But its giving mediaplayer.prepare() failed to prepare. Could any one tell me what could appropriate reason. Below is the code I am using
public void onClick(View v) {
recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
if(case_value==0)
recorder.setOutputFile(deviceMIC_path);
else if(case_value==1)
recorder.setOutputFile(deviceMIC_Handset_path);
else if(case_value==2)
recorder.setOutputFile(headsetMIC_path);
recorder.setOnErrorListener(errorListener);
recorder.setOnInfoListener(infoListener);
try {
recorder.prepare();
recorder.start();
if (ENABLE_LOGS)
Log.e(LOG_TAG, resources
.getString(R.string.record_started));
Toast.makeText(context,
resources.getString(R.string.record_started),
Toast.LENGTH_LONG).show();
recording = true;
} catch (IllegalStateException e) {
Log.e("","ILLEAGAL EXCEPTION...");e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
Log.e("","IO EXCEPTION...");
}
catch(Exception e){
e.printStackTrace();
Log.e("","UNKNOWN EXCEPTION...");
}
}
});
stopButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (recording) {
if (ENABLE_LOGS)
Log.e(LOG_TAG, "Record is going to be stoped...");
recorder.stop();
if (ENABLE_LOGS)
Log.e(LOG_TAG, "Record STOPPED....");
Toast
.makeText(context, "Record STOPPED",
Toast.LENGTH_LONG).show();
recorder.release();
recorder=null;
}
}
});
playButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MediaPlayer mediaplayer = new MediaPlayer();
try {
if(case_value==0)
mediaplayer.setDataSource(deviceMIC_path);
else if(case_value==1)
mediaplayer.setDataSource(deviceMIC_Handset_path);
else if(case_value==2)
mediaplayer.setDataSource(headsetMIC_path);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
mediaplayer.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
catch(Exception e){
e.printStackTrace();
}
// mAudioManager.setSpeakerphoneOn(false);
if (ENABLE_LOGS)
Log.e(LOG_TAG, "CASE VALUE : " + case_value);
if (case_value == 0) {
if (MainActivity.headsetState == 0) {
if (!mediaplayer.isPlaying()) {
mediaplayer.start();
if (ENABLE_LOGS)
Log.e(LOG_TAG, "PLAY started...");
Toast.makeText(context, "PLAY started...",
Toast.LENGTH_LONG).show();
} else {
mediaplayer.stop();
}
Below is the Error I am getting
12-12 12:00:01.186: E/com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity(1860): Record started
12-12 12:00:04.467: E/com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity(1860): Record is going to be stoped...
12-12 12:00:04.592: E/com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity(1860): Record STOPPED....
12-12 12:00:06.710: W/MediaPlayer(1860): info/warning (1, 26)
12-12 12:00:06.725: E/MediaPlayer(1860): error (1, -17)
12-12 12:00:06.725: W/System.err(1860): java.io.IOException: Prepare failed.: status=0x1
12-12 12:00:06.725: W/System.err(1860): at android.media.MediaPlayer.prepare(Native Method)
12-12 12:00:06.725: W/System.err(1860): at com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity$3.onClick(AudioLoopFtmTestActivity.java:155)
12-12 12:00:06.725: W/System.err(1860): at android.view.View.performClick(View.java:2364)
12-12 12:00:06.725: W/System.err(1860): at android.view.View.onTouchEvent(View.java:4179)
12-12 12:00:06.725: W/System.err(1860): at android.widget.TextView.onTouchEvent(TextView.java:6534)
12-12 12:00:06.725: W/System.err(1860): at android.view.View.dispatchTouchEvent(View.java:3709)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
12-12 12:00:06.725: W/System.err(1860): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659)
12-12 12:00:06.725: W/System.err(1860): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107)
12-12 12:00:06.725: W/System.err(1860): at android.app.Activity.dispatchTouchEvent(Activity.java:2061)
12-12 12:00:06.725: W/System.err(1860): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643)
12-12 12:00:06.725: W/System.err(1860): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691)
12-12 12:00:06.725: W/System.err(1860): at android.os.Handler.dispatchMessage(Handler.java:99)
12-12 12:00:06.725: W/System.err(1860): at android.os.Looper.loop(Looper.java:123)
12-12 12:00:06.733: W/System.err(1860): at android.app.ActivityThread.main(ActivityThread.java:4338)
12-12 12:00:06.741: W/System.err(1860): at java.lang.reflect.Method.invokeNative(Native Method)
12-12 12:00:06.741: W/System.err(1860): at java.lang.reflect.Method.invoke(Method.java:521)
12-12 12:00:06.741: W/System.err(1860): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
12-12 12:00:06.741: W/System.err(1860): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
12-12 12:00:06.741: W/System.err(1860): at dalvik.system.NativeStart.main(Native Method)
12-12 12:00:06.741: E/com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity(1860): CASE VALUE : 0
12-12 12:00:06.749: E/MediaPlayer(1860): start called in state 0
12-12 12:00:06.749: E/MediaPlayer(1860): error (-38, 0)
12-12 12:00:06.749: E/com.brcm.factorymode.audioloop.AudioLoopFtmTestActivity(1860): PLAY started...
12-12 12:00:06.756: I/MediaPlayer(1860): Info (1,26)
12-12 12:00:06.756: E/MediaPlayer(1860): Error (-38,0)
Could any one please tell me the way to resolve this problem.
Implement the OnCompletionListener and register it with your MediaPlayer instance.
After the media has been played out it will call this callback method onCompletion
void onCompletion(MediaPlayer mp){
//Here you stop it.
mp.stop();
//Reset the data source path to the new file
mp.setDataSource(<uri>);
mp.prepare(); // or mp.prepareAsync();
// start the mediaplayer after the prepare has completed.
}
Release the mediaplayer instance once you are done playing all the files.
来源：https://stackoverflow.com/questions/8470932/mediaplayer-prepare-failed-error1-17-when-using-recorded-file-3gp