Develop Reference

MediaPlayer error 100 & 38 while using two MediaPlayer objects

I'm trying to build a game which plays some sounds effects on click & at the same time music in the background.
I tried implementing this with two MediaPlayer objects.
The first one, which served for the effects on click works great.
The second one however sometimes logs error 100, sometimes error 38. No sound at all.
Variables
private MediaPlayer mEffects;
private MediaPlayer mpSoundBackground;
Implementation of the sound media player:
mpSoundBackground = MediaPlayer.create(MainActivity.this, R.raw.soundbackground1small);
mpSoundBackground.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
#Override
public void onPrepared(MediaPlayer mp) {
Logger.d("prepared");
musicPrepared = true;
}
});
mpSoundBackground.setOnErrorListener(new MediaPlayer.OnErrorListener() {
#Override
public boolean onError(MediaPlayer mp, int what, int extra) {
Logger.d("error "+what);
return false;
}
});
if (musicPrepared) {
mpSoundBackground.start();
Logger.d("music is prepared");
} else {
Logger.d("music is not prepared");
}
Implementation of the effects Media Player:
stopPlaying();
mEffects= MediaPlayer.create(MainActivity.this, R.raw.soundhit);
mEffects.start();
private void stopPlaying() {
if (mEffects!= null) {
mEffects.stop();
mEffects.release();
mEffects= null;
}
}
Update
To add to the confusion: It does seem to work in emulator
(Genymotion), but does not work on my OnePlus One, running Lollipop

You need to use the setOnPreparedListener method for both players. also if you want to play a sound on clicks consider using SoundPool.
Also in the public void onPrepared(MediaPlayer mp) method, you can use mp.start there is no need for that flag, since you can not know for sure that it is prepared once you reach that prepared flag

I couldn't make the errors go away, until I reconverted my soundfile to MP3.
Now it plays both on device & simulator without any problems.
Moral of this story: if you are running into errors, try a few encodings of the same file (possibly a few file sizes too!), it might be the solution.

MediaPlayer error -2147483648 when playing mp3 file online on android 2.3

Want to play audio/mp3 files online but unable to prepare medplayer. Code given below,
MediaPlayer mediaPlayer1 = new MediaPlayer();
mediaPlayer1.setAudioStreamType(AudioManager.STREAM_MUSIC);
String p=URL+"/"+ AudioFile_Name;
mediaPlayer1.setDataSource(p);
mediaPlayer1.prepareAsync();
mediaPlayer1.setOnPreparedListener(new OnPreparedListener() {
#Override
public void onPrepared(MediaPlayer mp) {
//Now dismis progress dialog, Media palyer will start playing
mp.start();
}
});
mediaPlayer1.setOnErrorListener(new OnErrorListener() {
#Override
public boolean onError(MediaPlayer mp, int what, int extra) {
// dissmiss progress bar here. It will come here when MediaPlayer
// is not able to play file. You can show error message to user
return false;
}
});
Please advise soloution,

I was getting this problem as I have stored my files in Dropbox and its shared address is secured website means Https which is not supported in androd 2.3, now changed to http and its working.

Make sure you used Internet permisstion in manifest:
<uses-permission android:name="android.permission.INTERNET"></uses-permission>

Play remote video over slow network

Uri uri = Uri.parse(URLPath);
vv.setVideoURI(uri);
vv.setOnCompletionListener(new OnCompletionListener() {
#Override
public void onCompletion(MediaPlayer mp) {
//play next one
}
});
vv.setOnErrorListener(new OnErrorListener() {
#Override
public boolean onError(MediaPlayer mp, int what, int extra) {
return false;
}
});
Above code is for playing remote video with VideoView(vv).
It works while on high speed network.
But if low speed network is used such as 3G, playback will fail often, and outside the activity. t seems streaming is slower than user playback. The error code is (1,-1004).
What can I do to replace outside activity with pause and wait for streaming?

You can use Surface View for video streaming...this would work...
This link may help you Click Here

OnInfoListener never fires. Ever

I'm currently trying to write a simple audio player that streams a URL until the user quits. Nothing fancy really, but I'm trying to use the onInfo method of MediaPlayer to wait for the metadata update flag. I have the following code for creating the media player object.
/**
* Creates a new media player and attempts to prepare it.
*/
private void createPlayer(){
Log.v(TAG, "Now in createPlayer()");
if(mPlayer==null){
Log.i(TAG, "No existing media player found, creating.");
mPlayer=new MediaPlayer();
mPlayer.setOnErrorListener(this);
mPlayer.setOnInfoListener(new OnInfoListener() {
public boolean onInfo(MediaPlayer mp, int what, int extra) {
Log.w(TAG,"---Got some info!---");
return false;
}
});
mPlayer.setOnPreparedListener(this);
mPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK);
mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
} else {
Log.i(TAG, "Found an existing media player. Doing nothing.");
}
try{
mPlayer.setDataSource(mStreamUri);
mPlayer.prepareAsync();
Log.i(TAG, "Just sent the media player a prepareAsync()");
}catch(Exception e){
Log.e(TAG,"Caught exception while trying to set up media player.");
}
}
I have yet to see onError fire, but I also have yet to actually get any errors because of the simplicity of my app, but of course onPrepare works fine. I've tried implementing it with the class, as well as an inline method like the above code but nothing happens.

Change your code with this and try again -
mPlayer.prepare();

You cannot return false in onInfoListener. The android developer says if it returns false, the infoListener seems as if it was not set.

MediaPlayer.prepare is throwing an IllegalStateException when playing m4a file

I have a list of songs that I'm streaming using the MediaPlayer. Some of the songs consistently work and others consistently do not work. I can't see a difference between these files, and they seem to play fine in itunes and such.
When the songs fail it is throwing an IllegalStateException on the mediaPlayer.prepare() line. The IllegalStateException that is thrown has no useful info in it, (detailMessage is null, stackState is null)
Here is my code
try {
mediaPlayer.setDataSource(media.url);
setPlayerState(PlayerState.PREPARING);
mediaPlayer.prepare();
} catch (Exception e) {
e.printStackTrace();
Log.e(TAG, "bad stream");
}
Here is a url to the file that does NOT work:
skdy.bryceb.dev.mediarain.com/song.m4a
Here is one that DOES work:
skdy.bryceb.dev.mediarain.com/song2.m4a
Any ideas why this works on some songs and fails on others?

Thanks MisterSquonk I'm sure that way would work.
In my particular case after beating my head against the wall for a while I realized that on some songs, I was getting to the buffered amount before the player state was getting set to prepared. So I added a check to make sure that the MediaPlayer was in the "PREPARED" state and then it worked great:
// Media prepared listener
mediaPlayer.setOnPreparedListener(
new MediaPlayer.OnPreparedListener() {
public void onPrepared(MediaPlayer mp) {
setPlayerState(PlayerState.PREPARED);
}
});
// Media buffer listener
mediaPlayer.setOnBufferingUpdateListener(
new MediaPlayer.OnBufferingUpdateListener() {
public void onBufferingUpdate(MediaPlayer mp, int percent) {
// Sometimes the song will finish playing before the 100% loaded in has been
// dispatched, which result in the song playing again, so check to see if the
// song has completed first
if(getPlayerState() == PlayerState.COMPLETED)
return;
if(getPlayerState() == PlayerState.PAUSED)
return;
// If the music isn't already playing, and the buffer has been reached
if(!mediaPlayer.isPlaying() && percent > PERCENT_BUFFER) {
if(getPlayerState() == PlayerState.PREPARED)
{
mediaPlayer.start();
setPlayerState(PlayerState.PLAYING);
}
//if it isn't prepared, then we'll wait till the next buffering
//update
return;
}
}
});

OK, I hacked together a minimal Mediaplayer implementation in a 'sandbox' app/activity I always keep spare for testing.
I might be wrong but if you're streaming these songs over the net, you'll need to prefix the url with http://.
I tried the urls with Winamp and Chrome verbatim (no protocol prefix string) and they worked fine although it's likely both of those applications will use some form of intelligence to work out how to connect/stream.
If I tried that in my mediaPlayer code, I get the same exception as you but if I prefix the urls with http:// the songs play fine.
Example...
// Activity scope
Button button;
CheckBox checkBox;
String url = "";
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//button declared in my activity
button = (Button)findViewById(R.id.button);
button.setOnClickListener(this);
if (!checkBox.isChecked())
url = getString(R.string.url_song1);
else
url = getString(R.string.url_song2);
mediaPlayer = new MediaPlayer();
}
#Override
public void onClick(View arg0) {
try {
Log.i(TAG, "onClick() entered...");
mediaPlayer.setDataSource(url);
Log.i(TAG, "Preparing mediaplayer...");
mediaPlayer.prepare();
Log.i(TAG, "Starting mediaplayer...");
mediaPlayer.start();
} catch (Exception e) {
e.printStackTrace();
Log.e(TAG, "bad stream");
}
}
If I copy the songs to my SD card both play fine and as long as the internet url strings have an 'http://' prefix then they also work.