import android.content.pm.PackageManager;
import android.graphics.Canvas;
import android.graphics.Color;
+import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.widget.TextView;
import java.text.SimpleDateFormat;
+import java.util.ArrayDeque;
import java.util.Date;
import java.util.Locale;
+import java.util.Queue;
import org.jtransforms.fft.FloatFFT_1D;
private BoxInsetLayout mOuterContainer;
private LinearLayout mInnerContainer;
private TextView mTextView, mClockView, mDebugView;
- private boolean doDebug = false;
private SurfaceView cyclersv;
private Thread cycler;
+ public abstract static class RenderCB {
+ boolean doDebug = false;
+
+ abstract public void render(Canvas c, float[] a);
+ public void setDebug(boolean b) { doDebug = b; }
+ public final void toggleDebug() { setDebug(!doDebug); }
+ }
+ private final RenderCB renderWholeScreenMax = new RenderCB() {
+ private float[] hsv = new float[]{0.0f, 1.0f, 1.0f};
+
+ public void setDebug(boolean d) {
+ super.setDebug(d);
+ if(!d) {
+ mDebugView.post(new Runnable() {
+ public void run() {
+ mDebugView.setVisibility(View.GONE);
+ }
+ } );
+ } else {
+ mDebugView.post(new Runnable() {
+ public void run() {
+ mDebugView.setVisibility(View.VISIBLE);
+ }
+ } );
+ }
+ }
+
+ public void render(Canvas cv, float[] samples) {
+ float msamp = 0.0f;
+ int mix = -1;
+ for (int i = 0; i < samples.length; i += 2) {
+ if (samples[i] > msamp) {
+ msamp = samples[i];
+ mix = i;
+ }
+ }
+ if (doDebug) {
+ final float fmsamp = msamp;
+ final int fmix = mix;
+ mDebugView.post(new Runnable() {
+ public void run() {
+ mDebugView.setText(String.format(Locale.US, "%1$8.1E @ %2$d", fmsamp, fmix));
+ }
+ });
+ }
+ int canvalpha = msamp > 3 ? 255 : (int) (msamp * 64) + 63; // XXX wtf scale?
+
+ int c = Color.HSVToColor(hsv);
+ hsv[0] = hsv[0] >= 359 ? 0.0f : hsv[0] + 1.0f;
+
+ cv.drawColor(c);
+ cv.drawColor(Color.rgb(canvalpha, canvalpha, canvalpha), PorterDuff.Mode.MULTIPLY);
+ }
+ };
+ private final RenderCB renderGrid = new RenderCB() {
+ final Paint p = new Paint();
+ final Paint dbp = new Paint();
+ float[] hsv = new float[]{0.0f, 1.0f, 1.0f};
+
+ // Ahahaha; anonymous classes of course have anonymous constructors. How do you like that?
+ {
+ dbp.setColor(Color.WHITE);
+ }
+
+ public void render(Canvas cv, float[] samples) {
+ int c = Color.HSVToColor(hsv);
+ hsv[0] = hsv[0] >= 359 ? 0.0f : hsv[0] + 1.0f;
+ p.setColor(c);
+
+ int rxs = cv.getWidth() / 8;
+ int rys = cv.getHeight() / 8;
+ for (int rx = 0; rx < 8; rx++) {
+ for (int ry = 0; ry < 8; ry++) {
+ float x = Math.abs(samples[((rx * 8 + ry) << 2) + 32]) * 64;
+ int b = x > 255 ? 255 : (int)x;
+ p.setAlpha(b > 223 ? 255 : b + 32);
+ cv.drawRect(rx * rxs, ry * rys, (rx + 1) * rxs - 1, (ry + 1) * rys - 1, p);
+ if(doDebug) {
+ cv.drawText(Integer.toHexString(b), rx*rxs + rxs/2, ry*rys + rys/2, dbp);
+ }
+ }
+ }
+ }
+ };
+
+ private RenderCB cyclercb;
+ private Queue<RenderCB> cyclercbq = new ArrayDeque<>();
+ {
+ cyclercbq.add(renderGrid);
+ cyclercb = renderWholeScreenMax;
+ }
+ private void nextCyclerCB() {
+ synchronized(this) {
+ cyclercb.setDebug(false);
+ cyclercbq.add(cyclercb);
+ cyclercb = cyclercbq.remove();
+ }
+ }
+
// The surface to which this callback is bound is created only after audio permissions
// have been checked. We therefore can simply start in the created callback. Stopping
// happens in onPause below, which fires before the surface is destroyed.
c.drawColor(Color.RED);
h.unlockCanvasAndPost(c);
- final TextView dbv = mDebugView;
final AudioRecord ar = new AudioRecord(
MediaRecorder.AudioSource.MIC,
11025, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_FLOAT, 2048);
cycler = new Thread() {
public void run() {
- float[] hsv = new float[]{0.0f, 1.0f, 1.0f};
float[] samples = new float[512];
FloatFFT_1D fft = new FloatFFT_1D(samples.length);
- /*
- * Debug: triangle wave
- *
- for(int i = 0; i < samples.length; i++) {
- samples[i] = (float)((i % 16) - 8) / 8;
- if (i % 32 >= 16) { samples[i] *= -1; }
- }
- */
ar.startRecording();
while (!Thread.interrupted()) {
+ final RenderCB rcb;
ar.read(samples, 0, samples.length, AudioRecord.READ_BLOCKING);
- fft.realForward(samples);
-
- float msamp = 0.0f;
- int mix = -1;
- for (int i = 0; i < samples.length; i += 2) {
- if (samples[i] > msamp) {
- msamp = samples[i];
- mix = i;
- }
+ synchronized(this) {
+ rcb = cyclercb;
}
- if (doDebug) {
- final float fmsamp = msamp;
- final int fmix = mix;
- dbv.post(new Runnable() {
- public void run() {
- dbv.setText(String.format(Locale.US, "%1$8.1E @ %2$d", fmsamp, fmix));
- }
- });
+ /*
+ * Debug: triangle wave
+ */
+ /*
+ for(int i = 0; i < samples.length; i++) {
+ samples[i] = (float)((i % 16) - 8) / 8;
+ if (i % 32 >= 16) { samples[i] *= -1; }
}
-
- int canvalpha = msamp > 3 ? 255 : (int) (msamp * 64) + 63; // XXX wtf scale?
-
- int c = Color.HSVToColor(hsv);
- hsv[0] = hsv[0] >= 359 ? 0.0f : hsv[0] + 1.0f;
+ */
+ fft.realForward(samples);
Canvas cv = h.lockCanvas();
- cv.drawColor(c);
- cv.drawColor(Color.rgb(canvalpha, canvalpha, canvalpha), PorterDuff.Mode.MULTIPLY);
+ cv.drawColor(Color.BLACK);
+ rcb.render(cv,samples);
h.unlockCanvasAndPost(cv);
// try { Thread.sleep(100); } catch (InterruptedException e) { break; }
private void createSurface() {
Log.d("createSurface", "top");
cyclersv = new SurfaceView(this);
-
cyclersv.getHolder().addCallback(shc);
+ cyclersv.setOnClickListener(new View.OnClickListener(){
+ @Override
+ public void onClick(View v) {
+ final RenderCB rcb;
+ synchronized(this) {
+ rcb = cyclercb;
+ }
+ rcb.toggleDebug();
+ }
+ });
+ cyclersv.setOnLongClickListener(new View.OnLongClickListener() {
+ @Override
+ public boolean onLongClick(View v) {
+ nextCyclerCB();
+ return true;
+ }
+ });
mInnerContainer.addView(cyclersv, -1,
new ViewGroup.LayoutParams(
}
Log.d("removeSurface", "removing view");
mInnerContainer.removeView(cyclersv);
+ cyclersv = null;
Log.d("removeSurface", "done");
}
public void onStart() {
Log.d("onStart", "top");
super.onStart();
+ }
+
+ @Override
+ public void onResume() {
+ Log.d("onResume", "top");
+ super.onResume();
if(checkSelfPermission(Manifest.permission.RECORD_AUDIO)
== PackageManager.PERMISSION_GRANTED) {
mOuterContainer.setBackgroundColor(black);
mTextView.setTextColor(white);
mClockView.setTextColor(white);
- mDebugView.setVisibility(View.GONE);
- doDebug = false;
} else {
mOuterContainer.setBackground(null);
mTextView.setTextColor(black);
mClockView.setTextColor(black);
- mDebugView.setVisibility(View.VISIBLE);
- doDebug = true;
}
}
projects / acmetensortoys-watchviz / commitdiff