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www in docker support

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MaddoScientisto 2026-04-22 18:41:37 +02:00
commit c227fce036
2145 changed files with 399596 additions and 58 deletions
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decompiled-libs/www/acxent-videoj-1.0.0/org/jcodec/scale/RgbToYuv420j.java Normal file
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package org.jcodec.scale;
import org.jcodec.common.model.Picture;
import org.jcodec.common.tools.MathUtil;
public class RgbToYuv420j implements Transform {
public void transform(Picture img, Picture dst) {
byte[] y = img.getData()[0];
byte[][] dstData = dst.getData();
int[][] out = new int[4][3];
int offChr = 0, offLuma = 0, offSrc = 0, strideSrc = img.getWidth() * 3, strideDst = dst.getWidth();
for (int i = 0; i < img.getHeight() >> 1; i++) {
for (int j = 0; j < img.getWidth() >> 1; j++) {
dstData[1][offChr] = 0;
dstData[2][offChr] = 0;
rgb2yuv(y[offSrc], y[offSrc + 1], y[offSrc + 2], out[0]);
dstData[0][offLuma] = (byte)out[0][0];
rgb2yuv(y[offSrc + strideSrc], y[offSrc + strideSrc + 1], y[offSrc + strideSrc + 2], out[1]);
dstData[0][offLuma + strideDst] = (byte)out[1][0];
offLuma++;
rgb2yuv(y[offSrc + 3], y[offSrc + 4], y[offSrc + 5], out[2]);
dstData[0][offLuma] = (byte)out[2][0];
rgb2yuv(y[offSrc + strideSrc + 3], y[offSrc + strideSrc + 4], y[offSrc + strideSrc + 5], out[3]);
dstData[0][offLuma + strideDst] = (byte)out[3][0];
offLuma++;
dstData[1][offChr] = (byte)(out[0][1] + out[1][1] + out[2][1] + out[3][1] + 2 >> 2);
dstData[2][offChr] = (byte)(out[0][2] + out[1][2] + out[2][2] + out[3][2] + 2 >> 2);
offChr++;
offSrc += 6;
}
offLuma += strideDst;
offSrc += strideSrc;
}
}
public static final void rgb2yuv(byte r, byte g, byte b, int[] out) {
int rS = r + 128;
int gS = g + 128;
int bS = b + 128;
int y = 77 * rS + 150 * gS + 15 * bS;
int u = -43 * rS - 85 * gS + 128 * bS;
int v = 128 * rS - 107 * gS - 21 * bS;
y = y + 128 >> 8;
u = u + 128 >> 8;
v = v + 128 >> 8;
out[0] = MathUtil.clip(y - 128, -128, 127);
out[1] = MathUtil.clip(u, -128, 127);
out[2] = MathUtil.clip(v, -128, 127);
}
}