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added decoder for Wraase SC2-180

pull/11/head
Ahmet Inan 2024-04-19 19:10:52 +02:00
rodzic b68a66b4ce
commit e18988f76a
1 zmienionych plików z 24 dodań i 5 usunięć
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app/src/main/java/xdsopl/robot36/Wraase_SC2_180.java
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@ -8,6 +8,11 @@ package xdsopl.robot36;
public class Wraase_SC2_180 implements Mode { public class Wraase_SC2_180 implements Mode {
private final int scanLineSamples; private final int scanLineSamples;
private final int channelSamples;
private final int redBeginSamples;
private final int greenBeginSamples;
private final int blueBeginSamples;
private final int blueEndSamples;
Wraase_SC2_180(int sampleRate) { Wraase_SC2_180(int sampleRate) {
double syncPulseSeconds = 0.0055225; double syncPulseSeconds = 0.0055225;
@ -15,6 +20,15 @@ public class Wraase_SC2_180 implements Mode {
double channelSeconds = 0.235; double channelSeconds = 0.235;
double scanLineSeconds = syncPulseSeconds + syncPorchSeconds + 3 * channelSeconds; double scanLineSeconds = syncPulseSeconds + syncPorchSeconds + 3 * channelSeconds;
scanLineSamples = (int) Math.round(scanLineSeconds * sampleRate); scanLineSamples = (int) Math.round(scanLineSeconds * sampleRate);
channelSamples = (int) Math.round(channelSeconds * sampleRate);
double redBeginSeconds = syncPulseSeconds / 2 + syncPorchSeconds;
redBeginSamples = (int) Math.round(redBeginSeconds * sampleRate);
double greenBeginSeconds = redBeginSeconds + channelSeconds;
greenBeginSamples = (int) Math.round(greenBeginSeconds * sampleRate);
double blueBeginSeconds = greenBeginSeconds + channelSeconds;
blueBeginSamples = (int) Math.round(blueBeginSeconds * sampleRate);
double blueEndSeconds = blueBeginSeconds + channelSeconds;
blueEndSamples = (int) Math.round(blueEndSeconds * sampleRate);
} }
@Override @Override
@ -28,13 +42,18 @@ public class Wraase_SC2_180 implements Mode {
} }
@Override @Override
public boolean decodeScanLine(int[] pixelBuffer, float[] scanLineBuffer, int prevPulseIndex, int scanLineSamples) { public boolean decodeScanLine(int[] pixelBuffer, float[] scanLineBuffer, int prevPulseIndex, int ignore) {
if (prevPulseIndex < 0 || prevPulseIndex + scanLineSamples >= scanLineBuffer.length) if (prevPulseIndex + redBeginSamples < 0 || prevPulseIndex + blueEndSamples > scanLineBuffer.length)
return false; return false;
for (int i = 0; i < pixelBuffer.length; ++i) { for (int i = 0; i < pixelBuffer.length; ++i) {
int position = (i * scanLineSamples) / pixelBuffer.length + prevPulseIndex; int position = (i * channelSamples) / pixelBuffer.length + prevPulseIndex;
int intensity = (int) Math.round(255 * Math.sqrt(scanLineBuffer[position])); int redPos = position + redBeginSamples;
int pixelColor = 0xff000000 | 0x00010101 * intensity; int greenPos = position + greenBeginSamples;
int bluePos = position + blueBeginSamples;
int red = Math.round(255 * scanLineBuffer[redPos]);
int green = Math.round(255 * scanLineBuffer[greenPos]);
int blue = Math.round(255 * scanLineBuffer[bluePos]);
int pixelColor = 0xff000000 | (red << 16) | (green << 8) | blue;
pixelBuffer[i] = pixelColor; pixelBuffer[i] = pixelColor;
} }
return true; return true;