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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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90
decompiled-libs/www/acxent-videoj-1.0.0/org/jcodec/codecs/s302/S302MDecoder.java Normal file
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package org.jcodec.codecs.s302;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import org.jcodec.common.AudioCodecMeta;
import org.jcodec.common.AudioDecoder;
import org.jcodec.common.AudioFormat;
import org.jcodec.common.model.AudioBuffer;
import org.jcodec.common.tools.MathUtil;
public class S302MDecoder implements AudioDecoder {
public static int SAMPLE_RATE = 48000;
public AudioBuffer decodeFrame(ByteBuffer frame, ByteBuffer dst) {
frame.order(ByteOrder.BIG_ENDIAN);
ByteBuffer dup = dst.duplicate();
int h = frame.getInt();
int frameSize = h >> 16 & 0xFFFF;
if (frame.remaining() != frameSize)
throw new IllegalArgumentException("Wrong s302m frame");
int channels = (h >> 14 & 0x3) * 2 + 2;
int sampleSizeInBits = (h >> 4 & 0x3) * 4 + 16;
if (sampleSizeInBits == 24) {
int i = frame.remaining() / 7 * 2;
while (frame.remaining() > 6) {
byte c = (byte)MathUtil.reverse(frame.get() & 0xFF);
byte b = (byte)MathUtil.reverse(frame.get() & 0xFF);
byte a = (byte)MathUtil.reverse(frame.get() & 0xFF);
int g = MathUtil.reverse(frame.get() & 0xF);
int f = MathUtil.reverse(frame.get() & 0xFF);
int e = MathUtil.reverse(frame.get() & 0xFF);
int d = MathUtil.reverse(frame.get() & 0xF0);
dup.put(a);
dup.put(b);
dup.put(c);
dup.put((byte)(d << 4 | e >> 4));
dup.put((byte)(e << 4 | f >> 4));
dup.put((byte)(f << 4 | g >> 4));
}
dup.flip();
return new AudioBuffer(dup, new AudioFormat(SAMPLE_RATE, 24, channels, true, true), i / channels);
}
if (sampleSizeInBits == 20) {
int i = frame.remaining() / 6 * 2;
while (frame.remaining() > 5) {
int c = MathUtil.reverse(frame.get() & 0xFF);
int b = MathUtil.reverse(frame.get() & 0xFF);
int a = MathUtil.reverse(frame.get() & 0xF0);
dup.put((byte)(a << 4 | b >> 4));
dup.put((byte)(b << 4 | c >> 4));
dup.put((byte)(c << 4));
int cc = MathUtil.reverse(frame.get() & 0xFF);
int bb = MathUtil.reverse(frame.get() & 0xFF);
int aa = MathUtil.reverse(frame.get() & 0xF0);
dup.put((byte)(aa << 4 | bb >> 4));
dup.put((byte)(bb << 4 | cc >> 4));
dup.put((byte)(cc << 4));
}
dup.flip();
return new AudioBuffer(dup, new AudioFormat(SAMPLE_RATE, 24, channels, true, true), i / channels);
}
int nSamples = frame.remaining() / 5 * 2;
while (frame.remaining() > 4) {
byte bb = (byte)MathUtil.reverse(frame.get() & 0xFF);
byte aa = (byte)MathUtil.reverse(frame.get() & 0xFF);
int c = MathUtil.reverse(frame.get() & 0xFF);
int b = MathUtil.reverse(frame.get() & 0xFF);
int a = MathUtil.reverse(frame.get() & 0xF0);
dst.put(aa);
dst.put(bb);
dst.put((byte)(a << 4 | b >> 4));
dst.put((byte)(b << 4 | c >> 4));
}
dup.flip();
return new AudioBuffer(dup, new AudioFormat(SAMPLE_RATE, 16, channels, true, true), nSamples / channels);
}
public AudioCodecMeta getCodecMeta(ByteBuffer _data) throws IOException {
ByteBuffer frame = _data.duplicate();
frame.order(ByteOrder.BIG_ENDIAN);
int h = frame.getInt();
int frameSize = h >> 16 & 0xFFFF;
if (frame.remaining() != frameSize)
throw new IllegalArgumentException("Wrong s302m frame");
int channels = (h >> 14 & 0x3) * 2 + 2;
int sampleSizeInBits = (h >> 4 & 0x3) * 4 + 16;
return AudioCodecMeta.fromAudioFormat(new AudioFormat(SAMPLE_RATE, sampleSizeInBits, channels, true, true));
}
}

33
decompiled-libs/www/acxent-videoj-1.0.0/org/jcodec/codecs/s302/S302MUtils.java Normal file
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package org.jcodec.codecs.s302;
import org.jcodec.common.model.ChannelLabel;
public class S302MUtils {
public static String name(int channels) {
switch (channels) {
case 1:
return "Mono";
case 2:
return "Stereo 2.0";
case 4:
return "Surround 4.0";
case 8:
return "Stereo 2.0 + Surround 5.1";
}
return null;
}
public static ChannelLabel[] labels(int channels) {
switch (channels) {
case 1:
return new ChannelLabel[] { ChannelLabel.MONO };
case 2:
return new ChannelLabel[] { ChannelLabel.STEREO_LEFT, ChannelLabel.STEREO_RIGHT };
case 4:
return new ChannelLabel[] { ChannelLabel.FRONT_LEFT, ChannelLabel.FRONT_RIGHT, ChannelLabel.REAR_LEFT, ChannelLabel.REAR_RIGHT };
case 8:
return new ChannelLabel[] { ChannelLabel.STEREO_LEFT, ChannelLabel.STEREO_RIGHT, ChannelLabel.FRONT_LEFT, ChannelLabel.FRONT_RIGHT, ChannelLabel.REAR_LEFT, ChannelLabel.REAR_RIGHT, ChannelLabel.CENTER, ChannelLabel.LFE };
}
return null;
}
}