playing sampled sound on tungsten

[news.palmos.com]

Has anyone managed to play sampled sound on the Palm tungsten using the
Sound manager?
I'm testing the Stream Manager by outputting random samples:

SndStreamCreate(&stream, sndOutput, 44100, sndInt16, sndStereo, getbuf, 0,
8192, false);

The callback function getbuf gets called properly and is defined as follows:

UInt&6 getbuf(void *userData, SndStreamRef stream, void *buffer, UInt32
frameCount) {
    Int32 buf_size=frameCount*4 // stereo and Int16 frames
    char *buf_ptr=buffer;
    Int32 i;
    for (i=0; i<buf_size; i++) {
        buf_ptr[i]=SysRandom(0)%256;
    }
}

As you can see, getbuf, simply fills the buffer with random data.

The problem I encounter is that the first filled buffer gets played, but
after that nothing gets played anymore, I simply hear some kind of ticking
(although getbuf is called properly each time).

Can someone please tell me how to play random samples using the Sound
Manager?

Thanks,
David



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