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robot36
kopia lustrzana https://github.com/xdsopl/robot36
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water falls downwards

pull/35/head
Ahmet Inan 2025-02-26 08:03:00 +01:00
rodzic ec302f6800
commit d61be31811
1 zmienionych plików z 5 dodań i 5 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

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app/src/main/java/xdsopl/robot36/MainActivity.java
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@ -218,6 +218,7 @@ public class MainActivity extends AppCompatActivity {
if (stft.push(input)) { if (stft.push(input)) {
process = true; process = true;
int stride = waterfallPlotBuffer.width; int stride = waterfallPlotBuffer.width;
waterfallPlotBuffer.line = (waterfallPlotBuffer.line + waterfallPlotBuffer.height / 2 - 1) % (waterfallPlotBuffer.height / 2);
int line = stride * waterfallPlotBuffer.line; int line = stride * waterfallPlotBuffer.line;
double lowest = Math.log(1e-9); double lowest = Math.log(1e-9);
double highest = Math.log(1); double highest = Math.log(1);
@ -225,14 +226,13 @@ public class MainActivity extends AppCompatActivity {
for (int i = 0; i < stride; ++i) for (int i = 0; i < stride; ++i)
waterfallPlotBuffer.pixels[line + i] = rainbow((Math.log(stft.power[i + 14]) - lowest) / range); waterfallPlotBuffer.pixels[line + i] = rainbow((Math.log(stft.power[i + 14]) - lowest) / range);
System.arraycopy(waterfallPlotBuffer.pixels, line, waterfallPlotBuffer.pixels, line + stride * (waterfallPlotBuffer.height / 2), stride); System.arraycopy(waterfallPlotBuffer.pixels, line, waterfallPlotBuffer.pixels, line + stride * (waterfallPlotBuffer.height / 2), stride);
waterfallPlotBuffer.line = (waterfallPlotBuffer.line + 1) % (waterfallPlotBuffer.height / 2);
} }
} }
if (process) { if (process) {
int width = waterfallPlotBitmap.getWidth(); int width = waterfallPlotBitmap.getWidth();
int height = waterfallPlotBitmap.getHeight(); int height = waterfallPlotBitmap.getHeight();
int stride = waterfallPlotBuffer.width; int stride = waterfallPlotBuffer.width;
int offset = stride * (waterfallPlotBuffer.line + waterfallPlotBuffer.height / 2 - height); int offset = stride * waterfallPlotBuffer.line;
waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height); waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height);
waterfallPlotView.invalidate(); waterfallPlotView.invalidate();
} }
@ -242,6 +242,7 @@ public class MainActivity extends AppCompatActivity {
int width = waterfallPlotBitmap.getWidth(); int width = waterfallPlotBitmap.getWidth();
int height = waterfallPlotBitmap.getHeight(); int height = waterfallPlotBitmap.getHeight();
int stride = waterfallPlotBuffer.width; int stride = waterfallPlotBuffer.width;
waterfallPlotBuffer.line = (waterfallPlotBuffer.line + waterfallPlotBuffer.height / 2 - 1) % (waterfallPlotBuffer.height / 2);
int line = stride * waterfallPlotBuffer.line; int line = stride * waterfallPlotBuffer.line;
int channels = recordChannel > 0 ? 2 : 1; int channels = recordChannel > 0 ? 2 : 1;
int samples = recordBuffer.length / channels; int samples = recordBuffer.length / channels;
@ -257,8 +258,7 @@ public class MainActivity extends AppCompatActivity {
for (int i = 0; i < stride; ++i) for (int i = 0; i < stride; ++i)
waterfallPlotBuffer.pixels[line + i] = 0x00FFFFFF & fgColor | Math.min(factor * waterfallPlotBuffer.pixels[line + i], 255) << 24; waterfallPlotBuffer.pixels[line + i] = 0x00FFFFFF & fgColor | Math.min(factor * waterfallPlotBuffer.pixels[line + i], 255) << 24;
System.arraycopy(waterfallPlotBuffer.pixels, line, waterfallPlotBuffer.pixels, line + stride * (waterfallPlotBuffer.height / 2), stride); System.arraycopy(waterfallPlotBuffer.pixels, line, waterfallPlotBuffer.pixels, line + stride * (waterfallPlotBuffer.height / 2), stride);
waterfallPlotBuffer.line = (waterfallPlotBuffer.line + 1) % (waterfallPlotBuffer.height / 2); int offset = stride * waterfallPlotBuffer.line;
int offset = stride * (waterfallPlotBuffer.line + waterfallPlotBuffer.height / 2 - height);
waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height); waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height);
waterfallPlotView.invalidate(); waterfallPlotView.invalidate();
} }
@ -849,7 +849,7 @@ public class MainActivity extends AppCompatActivity {
height /= 4; height /= 4;
waterfallPlotBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); waterfallPlotBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
int stride = waterfallPlotBuffer.width; int stride = waterfallPlotBuffer.width;
int offset = stride * (waterfallPlotBuffer.line + waterfallPlotBuffer.height / 2 - height); int offset = stride * waterfallPlotBuffer.line;
waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height); waterfallPlotBitmap.setPixels(waterfallPlotBuffer.pixels, offset, stride, 0, 0, width, height);
waterfallPlotView = findViewById(R.id.waterfall_plot); waterfallPlotView = findViewById(R.id.waterfall_plot);
waterfallPlotView.setScaleType(ImageView.ScaleType.FIT_XY); waterfallPlotView.setScaleType(ImageView.ScaleType.FIT_XY);