xdsopl/robot36
1
0
Fork 0
mirror of https://github.com/xdsopl/robot36.git synced 2026-01-04 23:39:59 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

keep aspect-ratio for each mode but PD290

Browse source
This commit is contained in:
Ahmet Inan 2024-04-25 09:14:48 +02:00
parent 527a4e3818
commit 97bdad4b8c
8 changed files with 42 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
app/src/main/java/xdsopl/robot36/Decoder.java
View file

@ -85,13 +85,13 @@ public class Decoder {
syncPulse9msModes.add(RGBModes.Scottie("2", 0.088064, sampleRate));
syncPulse9msModes.add(RGBModes.Scottie("DX", 0.3456, sampleRate));
syncPulse20msModes = new ArrayList<>();
syncPulse20msModes.add(new PaulDon("50", 0.09152, sampleRate));
syncPulse20msModes.add(new PaulDon("90", 0.17024, sampleRate));
syncPulse20msModes.add(new PaulDon("120", 0.1216, sampleRate));
syncPulse20msModes.add(new PaulDon("160", 0.195584, sampleRate));
syncPulse20msModes.add(new PaulDon("180", 0.18304, sampleRate));
syncPulse20msModes.add(new PaulDon("240", 0.24448, sampleRate));
syncPulse20msModes.add(new PaulDon("290", 0.2288, sampleRate));
syncPulse20msModes.add(new PaulDon("50", 320, 0.09152, sampleRate));
syncPulse20msModes.add(new PaulDon("90", 320, 0.17024, sampleRate));
syncPulse20msModes.add(new PaulDon("120", 640, 0.1216, sampleRate));
syncPulse20msModes.add(new PaulDon("160", 512, 0.195584, sampleRate));
syncPulse20msModes.add(new PaulDon("180", 640, 0.18304, sampleRate));
syncPulse20msModes.add(new PaulDon("240", 640, 0.24448, sampleRate));
syncPulse20msModes.add(new PaulDon("290", 640, 0.2288, sampleRate));
}
private void adjustSyncPulses(int[] pulses, int shift) {

3
app/src/main/java/xdsopl/robot36/MainActivity.java
View file

@ -30,7 +30,7 @@ import java.util.List;
public class MainActivity extends AppCompatActivity {
private final int scopeWidth = 640, scopeHeight = 640;
private final int scopeWidth = 640, scopeHeight = 1280;
private Bitmap scopeBitmap;
private int[] scopePixels;
private ImageView scopeView;
@ -130,7 +130,6 @@ public class MainActivity extends AppCompatActivity {
scopeView = findViewById(R.id.scope);
scopeBitmap = Bitmap.createBitmap(scopeWidth, scopeHeight, Bitmap.Config.ARGB_8888);
scopeView.setImageBitmap(scopeBitmap);
scopeView.setScaleType(ImageView.ScaleType.FIT_XY);
scopePixels = new int[2 * scopeWidth * scopeHeight];
List<String> permissions = new ArrayList<>();
if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {

10
app/src/main/java/xdsopl/robot36/PaulDon.java
View file

@ -8,6 +8,7 @@ package xdsopl.robot36;
public class PaulDon implements Mode {
private final ExponentialMovingAverage lowPassFilter;
private final int horizontalPixels;
private final int scanLineSamples;
private final int channelSamples;
private final int beginSamples;
@ -19,8 +20,9 @@ public class PaulDon implements Mode {
private final String name;
@SuppressWarnings("UnnecessaryLocalVariable")
PaulDon(String name, double channelSeconds, int sampleRate) {
PaulDon(String name, int horizontalPixels, double channelSeconds, int sampleRate) {
this.name = "PD " + name;
this.horizontalPixels = horizontalPixels;
double syncPulseSeconds = 0.02;
double syncPorchSeconds = 0.00208;
double scanLineSeconds = syncPulseSeconds + syncPorchSeconds + 4 * (channelSeconds);
@ -58,15 +60,15 @@ public class PaulDon implements Mode {
public int decodeScanLine(int[] evenBuffer, int[] oddBuffer, float[] scratchBuffer, float[] scanLineBuffer, int syncPulseIndex, int scanLineSamples, float frequencyOffset) {
if (syncPulseIndex + beginSamples < 0 || syncPulseIndex + endSamples > scanLineBuffer.length)
return 0;
lowPassFilter.cutoff(evenBuffer.length, 2 * channelSamples, 2);
lowPassFilter.cutoff(horizontalPixels, 2 * channelSamples, 2);
lowPassFilter.reset();
for (int i = beginSamples; i < endSamples; ++i)
scratchBuffer[i] = lowPassFilter.avg(scanLineBuffer[syncPulseIndex + i]);
lowPassFilter.reset();
for (int i = endSamples - 1; i >= beginSamples; --i)
scratchBuffer[i] = freqToLevel(lowPassFilter.avg(scratchBuffer[i]), frequencyOffset);
for (int i = 0; i < evenBuffer.length; ++i) {
int position = (i * channelSamples) / evenBuffer.length;
for (int i = 0; i < horizontalPixels; ++i) {
int position = (i * channelSamples) / horizontalPixels;
int yEvenPos = position + yEvenBeginSamples;
int vAvgPos = position + vAvgBeginSamples;
int uAvgPos = position + uAvgBeginSamples;

14
app/src/main/java/xdsopl/robot36/RGBDecoder.java
View file

@ -8,6 +8,7 @@ package xdsopl.robot36;
public class RGBDecoder implements Mode {
private final ExponentialMovingAverage lowPassFilter;
private final int horizontalPixels;
private final int scanLineSamples;
private final int beginSamples;
private final int redBeginSamples;
@ -19,8 +20,9 @@ public class RGBDecoder implements Mode {
private final int endSamples;
private final String name;
RGBDecoder(String name, double scanLineSeconds, double beginSeconds, double redBeginSeconds, double redEndSeconds, double greenBeginSeconds, double greenEndSeconds, double blueBeginSeconds, double blueEndSeconds, double endSeconds, int sampleRate) {
RGBDecoder(String name, int horizontalPixels, double scanLineSeconds, double beginSeconds, double redBeginSeconds, double redEndSeconds, double greenBeginSeconds, double greenEndSeconds, double blueBeginSeconds, double blueEndSeconds, double endSeconds, int sampleRate) {
this.name = name;
this.horizontalPixels = horizontalPixels;
scanLineSamples = (int) Math.round(scanLineSeconds * sampleRate);
beginSamples = (int) Math.round(beginSeconds * sampleRate);
redBeginSamples = (int) Math.round(redBeginSeconds * sampleRate) - beginSamples;
@ -51,17 +53,17 @@ public class RGBDecoder implements Mode {
public int decodeScanLine(int[] evenBuffer, int[] oddBuffer, float[] scratchBuffer, float[] scanLineBuffer, int syncPulseIndex, int scanLineSamples, float frequencyOffset) {
if (syncPulseIndex + beginSamples < 0 || syncPulseIndex + endSamples > scanLineBuffer.length)
return 0;
lowPassFilter.cutoff(evenBuffer.length, 2 * greenSamples, 2);
lowPassFilter.cutoff(horizontalPixels, 2 * greenSamples, 2);
lowPassFilter.reset();
for (int i = 0; i < endSamples - beginSamples; ++i)
scratchBuffer[i] = lowPassFilter.avg(scanLineBuffer[syncPulseIndex + beginSamples + i]);
lowPassFilter.reset();
for (int i = endSamples - beginSamples - 1; i >= 0; --i)
scratchBuffer[i] = freqToLevel(lowPassFilter.avg(scratchBuffer[i]), frequencyOffset);
for (int i = 0; i < evenBuffer.length; ++i) {
int redPos = redBeginSamples + (i * redSamples) / evenBuffer.length;
int greenPos = greenBeginSamples + (i * greenSamples) / evenBuffer.length;
int bluePos = blueBeginSamples + (i * blueSamples) / evenBuffer.length;
for (int i = 0; i < horizontalPixels; ++i) {
int redPos = redBeginSamples + (i * redSamples) / horizontalPixels;
int greenPos = greenBeginSamples + (i * greenSamples) / horizontalPixels;
int bluePos = blueBeginSamples + (i * blueSamples) / horizontalPixels;
evenBuffer[i] = ColorConverter.RGB(scratchBuffer[redPos], scratchBuffer[greenPos], scratchBuffer[bluePos]);
}
return 1;

6
app/src/main/java/xdsopl/robot36/RGBModes.java
View file

@ -19,7 +19,7 @@ public final class RGBModes {
double blueEndSeconds = blueBeginSeconds + channelSeconds;
double redBeginSeconds = blueEndSeconds + separatorSeconds;
double redEndSeconds = redBeginSeconds + channelSeconds;
return new RGBDecoder("Martin " + name, scanLineSeconds, greenBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, redEndSeconds, sampleRate);
return new RGBDecoder("Martin " + name, 320, scanLineSeconds, greenBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, redEndSeconds, sampleRate);
}
public static RGBDecoder Scottie(String name, double channelSeconds, int sampleRate) {
@ -32,7 +32,7 @@ public final class RGBModes {
double greenBeginSeconds = greenEndSeconds - channelSeconds;
double redBeginSeconds = separatorSeconds;
double redEndSeconds = redBeginSeconds + channelSeconds;
return new RGBDecoder("Scottie " + name, scanLineSeconds, greenBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, redEndSeconds, sampleRate);
return new RGBDecoder("Scottie " + name, 320, scanLineSeconds, greenBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, redEndSeconds, sampleRate);
}
public static RGBDecoder Wraase_SC2_180(int sampleRate) {
@ -46,6 +46,6 @@ public final class RGBModes {
double greenEndSeconds = greenBeginSeconds + channelSeconds;
double blueBeginSeconds = greenEndSeconds;
double blueEndSeconds = blueBeginSeconds + channelSeconds;
return new RGBDecoder("Wraase SC2-180", scanLineSeconds, redBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, blueEndSeconds, sampleRate);
return new RGBDecoder("Wraase SC2-180", 320, scanLineSeconds, redBeginSeconds, redBeginSeconds, redEndSeconds, greenBeginSeconds, greenEndSeconds, blueBeginSeconds, blueEndSeconds, blueEndSeconds, sampleRate);
}
}

7
app/src/main/java/xdsopl/robot36/RawDecoder.java
View file

@ -31,15 +31,16 @@ public class RawDecoder implements Mode {
public int decodeScanLine(int[] evenBuffer, int[] oddBuffer, float[] scratchBuffer, float[] scanLineBuffer, int syncPulseIndex, int scanLineSamples, float frequencyOffset) {
if (syncPulseIndex < 0 || syncPulseIndex + scanLineSamples > scanLineBuffer.length)
return 0;
lowPassFilter.cutoff(evenBuffer.length, 2 * scanLineSamples, 2);
int horizontalPixels = evenBuffer.length;
lowPassFilter.cutoff(horizontalPixels, 2 * scanLineSamples, 2);
lowPassFilter.reset();
for (int i = 0; i < scanLineSamples; ++i)
scratchBuffer[i] = lowPassFilter.avg(scanLineBuffer[syncPulseIndex + i]);
lowPassFilter.reset();
for (int i = scanLineSamples - 1; i >= 0; --i)
scratchBuffer[i] = freqToLevel(lowPassFilter.avg(scratchBuffer[i]), frequencyOffset);
for (int i = 0; i < evenBuffer.length; ++i) {
int position = (i * scanLineSamples) / evenBuffer.length;
for (int i = 0; i < horizontalPixels; ++i) {
int position = (i * scanLineSamples) / horizontalPixels;
evenBuffer[i] = ColorConverter.GRAY(scratchBuffer[position]);
}
return 1;

10
app/src/main/java/xdsopl/robot36/Robot_36_Color.java
View file

@ -8,6 +8,7 @@ package xdsopl.robot36;
public class Robot_36_Color implements Mode {
private final ExponentialMovingAverage lowPassFilter;
private final int horizontalPixels;
private final int scanLineSamples;
private final int luminanceSamples;
private final int separatorSamples;
@ -21,6 +22,7 @@ public class Robot_36_Color implements Mode {
@SuppressWarnings("UnnecessaryLocalVariable")
Robot_36_Color(int sampleRate) {
horizontalPixels = 320;
double syncPulseSeconds = 0.009;
double syncPorchSeconds = 0.003;
double luminanceSeconds = 0.088;
@ -72,16 +74,16 @@ public class Robot_36_Color implements Mode {
if (separator < -1.1 || separator > -0.9 && separator < 0.9 || separator > 1.1)
even = !lastEven;
lastEven = even;
lowPassFilter.cutoff(evenBuffer.length, 2 * luminanceSamples, 2);
lowPassFilter.cutoff(horizontalPixels, 2 * luminanceSamples, 2);
lowPassFilter.reset();
for (int i = beginSamples; i < endSamples; ++i)
scratchBuffer[i] = lowPassFilter.avg(scanLineBuffer[syncPulseIndex + i]);
lowPassFilter.reset();
for (int i = endSamples - 1; i >= beginSamples; --i)
scratchBuffer[i] = freqToLevel(lowPassFilter.avg(scratchBuffer[i]), frequencyOffset);
for (int i = 0; i < evenBuffer.length; ++i) {
int luminancePos = luminanceBeginSamples + (i * luminanceSamples) / evenBuffer.length;
int chrominancePos = chrominanceBeginSamples + (i * chrominanceSamples) / evenBuffer.length;
for (int i = 0; i < horizontalPixels; ++i) {
int luminancePos = luminanceBeginSamples + (i * luminanceSamples) / horizontalPixels;
int chrominancePos = chrominanceBeginSamples + (i * chrominanceSamples) / horizontalPixels;
if (even) {
evenBuffer[i] = ColorConverter.RGB(scratchBuffer[luminancePos], 0, scratchBuffer[chrominancePos]);
} else {

12
app/src/main/java/xdsopl/robot36/Robot_72_Color.java
View file

@ -8,6 +8,7 @@ package xdsopl.robot36;
public class Robot_72_Color implements Mode {
private final ExponentialMovingAverage lowPassFilter;
private final int horizontalPixels;
private final int scanLineSamples;
private final int luminanceSamples;
private final int chrominanceSamples;
@ -19,6 +20,7 @@ public class Robot_72_Color implements Mode {
@SuppressWarnings("UnnecessaryLocalVariable")
Robot_72_Color(int sampleRate) {
horizontalPixels = 320;
double syncPulseSeconds = 0.009;
double syncPorchSeconds = 0.003;
double luminanceSeconds = 0.138;
@ -61,17 +63,17 @@ public class Robot_72_Color implements Mode {
public int decodeScanLine(int[] evenBuffer, int[] oddBuffer, float[] scratchBuffer, float[] scanLineBuffer, int syncPulseIndex, int scanLineSamples, float frequencyOffset) {
if (syncPulseIndex + beginSamples < 0 || syncPulseIndex + endSamples > scanLineBuffer.length)
return 0;
lowPassFilter.cutoff(evenBuffer.length, 2 * luminanceSamples, 2);
lowPassFilter.cutoff(horizontalPixels, 2 * luminanceSamples, 2);
lowPassFilter.reset();
for (int i = beginSamples; i < endSamples; ++i)
scratchBuffer[i] = lowPassFilter.avg(scanLineBuffer[syncPulseIndex + i]);
lowPassFilter.reset();
for (int i = endSamples - 1; i >= beginSamples; --i)
scratchBuffer[i] = freqToLevel(lowPassFilter.avg(scratchBuffer[i]), frequencyOffset);
for (int i = 0; i < evenBuffer.length; ++i) {
int yPos = yBeginSamples + (i * luminanceSamples) / evenBuffer.length;
int uPos = uBeginSamples + (i * chrominanceSamples) / evenBuffer.length;
int vPos = vBeginSamples + (i * chrominanceSamples) / evenBuffer.length;
for (int i = 0; i < horizontalPixels; ++i) {
int yPos = yBeginSamples + (i * luminanceSamples) / horizontalPixels;
int uPos = uBeginSamples + (i * chrominanceSamples) / horizontalPixels;
int vPos = vBeginSamples + (i * chrominanceSamples) / horizontalPixels;
evenBuffer[i] = ColorConverter.YUV2RGB(scratchBuffer[yPos], scratchBuffer[uPos], scratchBuffer[vPos]);
}
return 1;