[android-developers] Re: MediaPlayer showstopper bug - please help

hmm.. that's odd. setLooping works for me. I have a background track
that loops throughout my game, and coincidentally I too have an HTC
Desire and HTC Tattoo for testing.

Nevertheless, if it's working overall that's good!

On Sep 24, 6:19 am, kk <kkostia...@gmail.com> wrote:
> Thanks for the feedback Jason. Switching to OGG definitely fixed my
> issue.
> The other thing I noticed is that the setLooping call toMediaPlayer
> has no effect at all.
> If you want looping you just set the metadata tag ANDROID_LOOP=true.
>
> For SFX I'm using SoundPool, which seems to be doing the trick.
> Thanks again for the response.
>
> cheers,
> kk.
>
> On 23 Sep, 16:44, Jason <jason.poli...@gmail.com> wrote:
>
>
>
> > Wow.. that IS weird.
>
> > I'm not sure what the problem is here, but there are a couple of
> > things I do differently:
>
> > 1. Don't use MP3.  Apparently the MP3 decoder on Android is a bit
> > crufty.  I was advised to use the OGG format and it works well.  You
> > can create OGG files using Audacity (it's free)http://audacity.sourceforge.net/
> > 2. I createMediaPlayerinstances using a simpler method, specifically
> > the following:
>
> > A) ALL of my sound files are in resources/raw (not assets)
> > B) When I want to load a sound for the game it has it's own
> >MediaPlayerinstance (same as you)
> > C) I createMediaPlayerinstances using the following:
>
> >MediaPlayer.create(context, resourceId);
>
> > where resourceId is something like:
>
> > R.raw.bgmusic
>
> > This does all the data source creation etc for me, and once the call
> > is complete the sound is ready to play
>
> > I wonder if the way you are creating the datasource is somehow
> > creating a reference to the entire folder?
>
> > Also, I don't think you need to create the stream (assuming you don't
> > want to use theMediaPlayer.create() method I use).  According to the
> > doco the AssetFileDescriptor returned from openFd has a method called
> > getFileDescriptor()
>
> > On 23 Sep, 07:22, kk <kkostia...@gmail.com> wrote:
>
> > > Hi all,
>
> > > I'm having some trouble streaming a looping background track for my
> > > game usingMediaPlayer.
>
> > > I have a bunch of short mp3s in /res/raw that I use as SFX and I play
> > > using SoundPool.
> > > The SFX playback all works fine...I'm mentioning it because it's
> > > relevant as you'll see below.
>
> > > The background music track (also an mp3) lives in /assets. The code I
> > > use to play this track is at the bottom
> > > of this post. Here's what happens:
>
> > > Instead of the track looping, once it has finished playing, it starts
> > > playing all the SFX from /res/raw in sequence!
> > > Then, once all these have finished playing it starts all over again,
> > > i.e. playing the background music track
> > > and then all the SFX in the same order.
>
> > > As if that wasn't weird enough, the behaviour described above only
> > > happens in the emulator.
> > > When tested on an HTC Tattoo and an HTC Desire it only does the above
> > > once. I.e. it plays the background music
> > > track, then all the SFX, and then it stops...it doesn't loop.
>
> > > Any help greatly appreciated since nobody here has any idea what's
> > > going wrong or how to fix it!
>
> > > This is developed using:
> > > SDK 1.6 API4 revision 3
> > > SDK Tools revision 6
>
> > > The code I use for the media player playback:
>
> > > =====
> > > // note: p_theSurfaceView below is my class that extends SurfaceView
> > > implements SurfaceHolder.Callback
> > >MediaPlayerm_mediaPlayer = newMediaPlayer();
> > > FileInputStream l_fis;
> > > try
> > > {
> > >     l_fis =
> > > p_theSurfaceView.getContext().getAssets().openFd("bgmusic.mp3").createInput Stream();
> > >     m_mediaPlayer.setDataSource(l_fis.getFD());
> > >     // from the docs: It is the caller's responsibility to close the
> > > file descriptor.
> > >     // from the docs: It is safe to do so as soon as the setDataSource
> > > call returns.
> > >     l_fis.close();
>
> > >     m_mediaPlayer.prepare();
>
> > >     m_mediaPlayer.setLooping(true);
> > >     m_mediaPlayer.setOnErrorListener(
> > >             newMediaPlayer.OnErrorListener() {
> > >                 public boolean onError(MediaPlayerp_mp, int p_what,
> > > int p_extra)
> > >                 {
> > >                     Log.e("m_mediaPlayer", "ERROR:MediaPlayer: (" +
> > > p_what +") with extra (" + p_extra +")" );
> > >                     return false;
> > >                 }
> > >             });
>
> > >     m_mediaPlayer.start();}
>
> > > catch (IllegalArgumentException e)
> > > {
> > >     e.printStackTrace();
> > >     m_mediaPlayer = null;
> > >     return false;}
>
> > > catch (IllegalStateException e)
> > > {
> > >     e.printStackTrace();
> > >     m_mediaPlayer = null;
> > >     return false;}
>
> > > catch (IOException e)
> > > {
> > >     e.printStackTrace();
> > >     m_mediaPlayer = null;
> > >     return false;
>
> > > }
>
> > > return true;
> > > =====
>
> > > cheers,
> > > kk.

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