public static WindowBufferProcessorCtx ctreateWindowBufferProcessorCtx(IExtractorConfig config) {
WindowBufferProcessorCtx ctx = new WindowBufferProcessorCtx();
ctx.setConfig(config);
ctx.setBuffer(new FrameValues());
ctx.getBuffer().setFrameIndex(0L);
return ctx;
}
public FrameValues calculate(Double value, WindowBufferProcessorCtx ctx) {
FrameValues windowedWindow = ctx.getBuffer();
windowedWindow.add(value);
if (windowedWindow.size() >= ctx.getConfig().getWindowSize()) {
windowedWindow.setSampleRate(calculateExtractorSampleRate(ctx.getConfig()));
FrameValues newWindow =
windowedWindow.subList(
ctx.getConfig().getWindowSize() - ctx.getConfig().getWindowOverlap(),
windowedWindow.size());
ctx.setBuffer(newWindow);
ctx.getBuffer().setFrameIndex(windowedWindow.getFrameIndex() + 1);
} else {
return null;
}
return windowedWindow;
}
