// Pressing the mouse stops and starts the sound
public void mousePressed() {
if (tone.isPlaying()) {
tone.stop(); // The sound can be stopped with the function stop().
} else {
tone.repeat();
}
}
public void draw() {
if (tone.isPlaying()) {
background(255);
} else {
background(100);
}
// Set the volume to a range between 0 and 1.0
float ratio = (float) mouseX / width;
tone.setVolume(ratio);
// Set the rate to a range between 0 and 88,200
// Changing the rate alters the pitch
ratio = (float) mouseY / height;
// The rate is set according to the mouseY position.
tone.setRate(ratio * 88200);
// Draw some rectangles to show what is going on
stroke(0);
fill(175);
rect(0, 160, mouseX, 20);
stroke(0);
fill(175);
rect(160, 0, 20, mouseY);
}
public void setup() {
size(200, 200);
// Start Sonia engine.
Sonia.start(this);
// Create a new sample object.
tone = new Sample("tone.wav");
// Loop the sound forever
// (well, at least until stop() is called)
tone.repeat();
smooth();
}
Instrument replace_instrument(byte[] mod_header, int idx, byte[] data_input, int replacetranspose)
throws IOException {
int header_offset, sample_data_length;
int loop_start, loop_length, sample_idx, fine_tune;
Instrument instrument;
Sample sample;
// byte[] raw_sample_data;
short[] sample_data;
header_offset = (idx - 1) * 30 + 20;
instrument = new Instrument();
sample = new Sample();
// sample_data_length = unsigned_short_be( mod_header, header_offset + 22 ) << 1;
sample_data_length = data_input.length;
System.out.println("Sampledata bytes: " + sample_data_length);
fine_tune = mod_header[header_offset + 24] & 0x0F;
if (fine_tune > 7) {
fine_tune -= 16;
}
sample.transpose = (fine_tune + (replacetranspose * 10) << IBXM.FP_SHIFT) / 96;
sample.volume = mod_header[header_offset + 25] & 0x7F;
loop_start = unsigned_short_be(mod_header, header_offset + 26) << 1;
loop_length = unsigned_short_be(mod_header, header_offset + 28) << 1;
if (loop_length < 4) {
loop_length = 0;
}
// raw_sample_data = new byte[ sample_data_length ];
sample_data = new short[sample_data_length];
for (sample_idx = 0; sample_idx < data_input.length; sample_idx++) {
sample_data[sample_idx] = (short) (data_input[sample_idx] << 8);
}
sample.set_sample_data(sample_data, loop_start, loop_length, false);
instrument.set_num_samples(1);
instrument.set_sample(0, sample);
return instrument;
}
