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A fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios.
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/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.util.zstd;
import org.jspecify.annotations.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* {@code k} and {@code d} are the only required parameters. For others, value 0 means default.
*
* Layout
*
*
* struct ZDICT_fastCover_params_t {
* unsigned {@link #k};
* unsigned {@link #d};
* unsigned {@link #f};
* unsigned {@link #steps};
* unsigned {@link #nbThreads};
* double {@link #splitPoint};
* unsigned {@link #accel};
* {@link ZDICTParams ZDICT_params_t} zParams;
* }
*/
@NativeType("struct ZDICT_fastCover_params_t")
public class ZDICTFastCoverParams extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
/** The struct alignment in bytes. */
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
K,
D,
F,
STEPS,
NBTHREADS,
SPLITPOINT,
ACCEL,
ZPARAMS;
static {
Layout layout = __struct(
__member(4),
__member(4),
__member(4),
__member(4),
__member(4),
__member(8),
__member(4),
__member(ZDICTParams.SIZEOF, ZDICTParams.ALIGNOF)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
K = layout.offsetof(0);
D = layout.offsetof(1);
F = layout.offsetof(2);
STEPS = layout.offsetof(3);
NBTHREADS = layout.offsetof(4);
SPLITPOINT = layout.offsetof(5);
ACCEL = layout.offsetof(6);
ZPARAMS = layout.offsetof(7);
}
protected ZDICTFastCoverParams(long address, @Nullable ByteBuffer container) {
super(address, container);
}
@Override
protected ZDICTFastCoverParams create(long address, @Nullable ByteBuffer container) {
return new ZDICTFastCoverParams(address, container);
}
/**
* Creates a {@code ZDICTFastCoverParams} instance at the current position of the specified {@link ByteBuffer} container. Changes to the buffer's content will be
* visible to the struct instance and vice versa.
*
* The created instance holds a strong reference to the container object.
*/
public ZDICTFastCoverParams(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** segment size : constraint: {@code 0 < k} : Reasonable range {@code [16, 2048+]} */
@NativeType("unsigned")
public int k() { return nk(address()); }
/** {@code dmer} size : constraint: {@code 0 < d <= k} : Reasonable range {@code [6, 16]} */
@NativeType("unsigned")
public int d() { return nd(address()); }
/** log of size of frequency array : constraint: {@code 0 < f <= 31} : 1 means default(20) */
@NativeType("unsigned")
public int f() { return nf(address()); }
/** Number of steps : Only used for optimization : 0 means default (40) : Higher means more parameters checked */
@NativeType("unsigned")
public int steps() { return nsteps(address()); }
/**
* number of threads : constraint: {@code 0 < nbThreads} : 1 means single-threaded : Only used for optimization : Ignored if {@code ZSTD_MULTITHREAD} is
* not defined.
*/
@NativeType("unsigned")
public int nbThreads() { return nnbThreads(address()); }
/**
* percentage of samples used for training: Only used for optimization: the first {@code nbSamples * splitPoint} samples will be used to training, the
* last {@code nbSamples * (1 - splitPoint)} samples will be used for testing, 0 means default (0.75), 1.0 when all samples are used for both training and
* testing.
*/
public double splitPoint() { return nsplitPoint(address()); }
/** acceleration level: constraint: {@code 0 < accel <= 10}, higher means faster and less accurate, 0 means default(1) */
@NativeType("unsigned")
public int accel() { return naccel(address()); }
/** @return a {@link ZDICTParams} view of the {@code zParams} field. */
@NativeType("ZDICT_params_t")
public ZDICTParams zParams() { return nzParams(address()); }
/** Sets the specified value to the {@link #k} field. */
public ZDICTFastCoverParams k(@NativeType("unsigned") int value) { nk(address(), value); return this; }
/** Sets the specified value to the {@link #d} field. */
public ZDICTFastCoverParams d(@NativeType("unsigned") int value) { nd(address(), value); return this; }
/** Sets the specified value to the {@link #f} field. */
public ZDICTFastCoverParams f(@NativeType("unsigned") int value) { nf(address(), value); return this; }
/** Sets the specified value to the {@link #steps} field. */
public ZDICTFastCoverParams steps(@NativeType("unsigned") int value) { nsteps(address(), value); return this; }
/** Sets the specified value to the {@link #nbThreads} field. */
public ZDICTFastCoverParams nbThreads(@NativeType("unsigned") int value) { nnbThreads(address(), value); return this; }
/** Sets the specified value to the {@link #splitPoint} field. */
public ZDICTFastCoverParams splitPoint(double value) { nsplitPoint(address(), value); return this; }
/** Sets the specified value to the {@link #accel} field. */
public ZDICTFastCoverParams accel(@NativeType("unsigned") int value) { naccel(address(), value); return this; }
/** Copies the specified {@link ZDICTParams} to the {@code zParams} field. */
public ZDICTFastCoverParams zParams(@NativeType("ZDICT_params_t") ZDICTParams value) { nzParams(address(), value); return this; }
/** Passes the {@code zParams} field to the specified {@link java.util.function.Consumer Consumer}. */
public ZDICTFastCoverParams zParams(java.util.function.Consumer consumer) { consumer.accept(zParams()); return this; }
/** Initializes this struct with the specified values. */
public ZDICTFastCoverParams set(
int k,
int d,
int f,
int steps,
int nbThreads,
double splitPoint,
int accel,
ZDICTParams zParams
) {
k(k);
d(d);
f(f);
steps(steps);
nbThreads(nbThreads);
splitPoint(splitPoint);
accel(accel);
zParams(zParams);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public ZDICTFastCoverParams set(ZDICTFastCoverParams src) {
memCopy(src.address(), address(), SIZEOF);
return this;
}
// -----------------------------------
/** Returns a new {@code ZDICTFastCoverParams} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static ZDICTFastCoverParams malloc() {
return new ZDICTFastCoverParams(nmemAllocChecked(SIZEOF), null);
}
/** Returns a new {@code ZDICTFastCoverParams} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static ZDICTFastCoverParams calloc() {
return new ZDICTFastCoverParams(nmemCallocChecked(1, SIZEOF), null);
}
/** Returns a new {@code ZDICTFastCoverParams} instance allocated with {@link BufferUtils}. */
public static ZDICTFastCoverParams create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return new ZDICTFastCoverParams(memAddress(container), container);
}
/** Returns a new {@code ZDICTFastCoverParams} instance for the specified memory address. */
public static ZDICTFastCoverParams create(long address) {
return new ZDICTFastCoverParams(address, null);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static @Nullable ZDICTFastCoverParams createSafe(long address) {
return address == NULL ? null : new ZDICTFastCoverParams(address, null);
}
/**
* Returns a new {@link ZDICTFastCoverParams.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer malloc(int capacity) {
return new Buffer(nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link ZDICTFastCoverParams.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer calloc(int capacity) {
return new Buffer(nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link ZDICTFastCoverParams.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return new Buffer(memAddress(container), container, -1, 0, capacity, capacity);
}
/**
* Create a {@link ZDICTFastCoverParams.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer create(long address, int capacity) {
return new Buffer(address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static ZDICTFastCoverParams.@Nullable Buffer createSafe(long address, int capacity) {
return address == NULL ? null : new Buffer(address, capacity);
}
// -----------------------------------
/** Deprecated for removal in 3.4.0. Use {@link #malloc(MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams mallocStack() { return malloc(stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams callocStack() { return calloc(stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams mallocStack(MemoryStack stack) { return malloc(stack); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams callocStack(MemoryStack stack) { return calloc(stack); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(int, MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams.Buffer mallocStack(int capacity) { return malloc(capacity, stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(int, MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams.Buffer callocStack(int capacity) { return calloc(capacity, stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(int, MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams.Buffer mallocStack(int capacity, MemoryStack stack) { return malloc(capacity, stack); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(int, MemoryStack)} instead. */
@Deprecated public static ZDICTFastCoverParams.Buffer callocStack(int capacity, MemoryStack stack) { return calloc(capacity, stack); }
/**
* Returns a new {@code ZDICTFastCoverParams} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static ZDICTFastCoverParams malloc(MemoryStack stack) {
return new ZDICTFastCoverParams(stack.nmalloc(ALIGNOF, SIZEOF), null);
}
/**
* Returns a new {@code ZDICTFastCoverParams} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static ZDICTFastCoverParams calloc(MemoryStack stack) {
return new ZDICTFastCoverParams(stack.ncalloc(ALIGNOF, 1, SIZEOF), null);
}
/**
* Returns a new {@link ZDICTFastCoverParams.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer malloc(int capacity, MemoryStack stack) {
return new Buffer(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link ZDICTFastCoverParams.Buffer} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static ZDICTFastCoverParams.Buffer calloc(int capacity, MemoryStack stack) {
return new Buffer(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #k}. */
public static int nk(long struct) { return memGetInt(struct + ZDICTFastCoverParams.K); }
/** Unsafe version of {@link #d}. */
public static int nd(long struct) { return memGetInt(struct + ZDICTFastCoverParams.D); }
/** Unsafe version of {@link #f}. */
public static int nf(long struct) { return memGetInt(struct + ZDICTFastCoverParams.F); }
/** Unsafe version of {@link #steps}. */
public static int nsteps(long struct) { return memGetInt(struct + ZDICTFastCoverParams.STEPS); }
/** Unsafe version of {@link #nbThreads}. */
public static int nnbThreads(long struct) { return memGetInt(struct + ZDICTFastCoverParams.NBTHREADS); }
/** Unsafe version of {@link #splitPoint}. */
public static double nsplitPoint(long struct) { return memGetDouble(struct + ZDICTFastCoverParams.SPLITPOINT); }
/** Unsafe version of {@link #accel}. */
public static int naccel(long struct) { return memGetInt(struct + ZDICTFastCoverParams.ACCEL); }
/** Unsafe version of {@link #zParams}. */
public static ZDICTParams nzParams(long struct) { return ZDICTParams.create(struct + ZDICTFastCoverParams.ZPARAMS); }
/** Unsafe version of {@link #k(int) k}. */
public static void nk(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.K, value); }
/** Unsafe version of {@link #d(int) d}. */
public static void nd(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.D, value); }
/** Unsafe version of {@link #f(int) f}. */
public static void nf(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.F, value); }
/** Unsafe version of {@link #steps(int) steps}. */
public static void nsteps(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.STEPS, value); }
/** Unsafe version of {@link #nbThreads(int) nbThreads}. */
public static void nnbThreads(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.NBTHREADS, value); }
/** Unsafe version of {@link #splitPoint(double) splitPoint}. */
public static void nsplitPoint(long struct, double value) { memPutDouble(struct + ZDICTFastCoverParams.SPLITPOINT, value); }
/** Unsafe version of {@link #accel(int) accel}. */
public static void naccel(long struct, int value) { memPutInt(struct + ZDICTFastCoverParams.ACCEL, value); }
/** Unsafe version of {@link #zParams(ZDICTParams) zParams}. */
public static void nzParams(long struct, ZDICTParams value) { memCopy(value.address(), struct + ZDICTFastCoverParams.ZPARAMS, ZDICTParams.SIZEOF); }
// -----------------------------------
/** An array of {@link ZDICTFastCoverParams} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final ZDICTFastCoverParams ELEMENT_FACTORY = ZDICTFastCoverParams.create(-1L);
/**
* Creates a new {@code ZDICTFastCoverParams.Buffer} instance backed by the specified container.
*
* Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
* will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
* by {@link ZDICTFastCoverParams#SIZEOF}, and its mark will be undefined.
*
* The created buffer instance holds a strong reference to the container object.
*/
public Buffer(ByteBuffer container) {
super(container, container.remaining() / SIZEOF);
}
public Buffer(long address, int cap) {
super(address, null, -1, 0, cap, cap);
}
Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
super(address, container, mark, pos, lim, cap);
}
@Override
protected Buffer self() {
return this;
}
@Override
protected Buffer create(long address, @Nullable ByteBuffer container, int mark, int position, int limit, int capacity) {
return new Buffer(address, container, mark, position, limit, capacity);
}
@Override
protected ZDICTFastCoverParams getElementFactory() {
return ELEMENT_FACTORY;
}
/** @return the value of the {@link ZDICTFastCoverParams#k} field. */
@NativeType("unsigned")
public int k() { return ZDICTFastCoverParams.nk(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#d} field. */
@NativeType("unsigned")
public int d() { return ZDICTFastCoverParams.nd(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#f} field. */
@NativeType("unsigned")
public int f() { return ZDICTFastCoverParams.nf(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#steps} field. */
@NativeType("unsigned")
public int steps() { return ZDICTFastCoverParams.nsteps(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#nbThreads} field. */
@NativeType("unsigned")
public int nbThreads() { return ZDICTFastCoverParams.nnbThreads(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#splitPoint} field. */
public double splitPoint() { return ZDICTFastCoverParams.nsplitPoint(address()); }
/** @return the value of the {@link ZDICTFastCoverParams#accel} field. */
@NativeType("unsigned")
public int accel() { return ZDICTFastCoverParams.naccel(address()); }
/** @return a {@link ZDICTParams} view of the {@code zParams} field. */
@NativeType("ZDICT_params_t")
public ZDICTParams zParams() { return ZDICTFastCoverParams.nzParams(address()); }
/** Sets the specified value to the {@link ZDICTFastCoverParams#k} field. */
public ZDICTFastCoverParams.Buffer k(@NativeType("unsigned") int value) { ZDICTFastCoverParams.nk(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#d} field. */
public ZDICTFastCoverParams.Buffer d(@NativeType("unsigned") int value) { ZDICTFastCoverParams.nd(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#f} field. */
public ZDICTFastCoverParams.Buffer f(@NativeType("unsigned") int value) { ZDICTFastCoverParams.nf(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#steps} field. */
public ZDICTFastCoverParams.Buffer steps(@NativeType("unsigned") int value) { ZDICTFastCoverParams.nsteps(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#nbThreads} field. */
public ZDICTFastCoverParams.Buffer nbThreads(@NativeType("unsigned") int value) { ZDICTFastCoverParams.nnbThreads(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#splitPoint} field. */
public ZDICTFastCoverParams.Buffer splitPoint(double value) { ZDICTFastCoverParams.nsplitPoint(address(), value); return this; }
/** Sets the specified value to the {@link ZDICTFastCoverParams#accel} field. */
public ZDICTFastCoverParams.Buffer accel(@NativeType("unsigned") int value) { ZDICTFastCoverParams.naccel(address(), value); return this; }
/** Copies the specified {@link ZDICTParams} to the {@code zParams} field. */
public ZDICTFastCoverParams.Buffer zParams(@NativeType("ZDICT_params_t") ZDICTParams value) { ZDICTFastCoverParams.nzParams(address(), value); return this; }
/** Passes the {@code zParams} field to the specified {@link java.util.function.Consumer Consumer}. */
public ZDICTFastCoverParams.Buffer zParams(java.util.function.Consumer consumer) { consumer.accept(zParams()); return this; }
}
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