Re: LineUnavailableException when trying to play .wav file

From:
"Andrew Thompson" <u32984@uwe>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 30 Apr 2007 14:24:54 GMT
Message-ID:
<717ad84ce9d7c@uwe>
Scott wrote:

I'm trying to play a simple .wav file ..


What do you mean by 'simple'?

..using code copied from:

...

PCM_SIGNED 22050.0 Hz, 16 bit, mono, 2 bytes/frame, little-endian
javax.sound.sampled.LineUnavailableException: line with format PCM_SIGNED 22050.
0 Hz, 16 bit, mono, 2 bytes/frame, little-endian not supported.


That message is saying that Java does not support that format.

WinAmp plays the .wav file without any problems.


WinAmp will play almost anything.
I have MP3's that both WinAmp and the JMStudio
will play, while I have others that can only be played
by WinAmp. The same for MIDI files (and I expect,
WAV files).

I can even play it using the DirectSound code in:
http://msdn.microsoft.com/archive/en-us/dnarsound/html/msdn_streams3.asp?frame=true


That code digs directly into the Windows based
system - it would not work cross-platform, so
Java does not work that way.

Is this just a problem with windows 98 or is there something I'm over looking?


Try whis WAV file, which has been seen to be
'Java compatible'
<http://www.physci.org/test/oscilloscope/sounds/101_0166.wav>

The JMF (especially the Performance Pack) will bring
support for more codecs (types) of more formats, but
even that only covers a relatively small number of sound
types.

--
Andrew Thompson
http://www.athompson.info/andrew/

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