private void initialize(Header header)
{
// REVIEW: allow customizable scale factor
float scalefactor = 32700.0f;
int mode = header.mode();
int layer = header.layer();
int channels = mode == Header.SINGLE_CHANNEL ? 1 : 2;
// set up output buffer if not set up by client.
if (output == null)
{
output = new SampleBuffer(header.frequency(), channels);
}
float[] factors = equalizer.getBandFactors();
filter1 = new SynthesisFilter(0, scalefactor, factors);
// REVIEW: allow mono output for stereo
if (channels == 2)
{
filter2 = new SynthesisFilter(1, scalefactor, factors);
}
outputChannels = channels;
outputFrequency = header.frequency();
initialized = true;
}
/**
* Changes the output buffer. This will take effect the next time
* decodeFrame() is called.
*/
public void setOutputBuffer(Obuffer _out)
{
output = _out;
}