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// Targeted by JavaCPP version 1.4.2: DO NOT EDIT THIS FILE
package org.bytedeco.javacpp;
import java.nio.*;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
import static org.bytedeco.javacpp.avutil.*;
public class swscale extends org.bytedeco.javacpp.presets.swscale {
static { Loader.load(); }
// Parsed from
/*
* Copyright (C) 2001-2011 Michael Niedermayer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// #ifndef SWSCALE_SWSCALE_H
// #define SWSCALE_SWSCALE_H
/**
* \file
* \ingroup libsws
* external API header
*/
// #include
// #include "libavutil/avutil.h"
// #include "libavutil/log.h"
// #include "libavutil/pixfmt.h"
// #include "version.h"
/**
* \defgroup libsws libswscale
* Color conversion and scaling library.
*
* \{
*
* Return the LIBSWSCALE_VERSION_INT constant.
*/
@NoException public static native @Cast("unsigned") int swscale_version();
/**
* Return the libswscale build-time configuration.
*/
@NoException public static native @Cast("const char*") BytePointer swscale_configuration();
/**
* Return the libswscale license.
*/
@NoException public static native @Cast("const char*") BytePointer swscale_license();
/* values for the flags, the stuff on the command line is different */
public static final int SWS_FAST_BILINEAR = 1;
public static final int SWS_BILINEAR = 2;
public static final int SWS_BICUBIC = 4;
public static final int SWS_X = 8;
public static final int SWS_POINT = 0x10;
public static final int SWS_AREA = 0x20;
public static final int SWS_BICUBLIN = 0x40;
public static final int SWS_GAUSS = 0x80;
public static final int SWS_SINC = 0x100;
public static final int SWS_LANCZOS = 0x200;
public static final int SWS_SPLINE = 0x400;
public static final int SWS_SRC_V_CHR_DROP_MASK = 0x30000;
public static final int SWS_SRC_V_CHR_DROP_SHIFT = 16;
public static final int SWS_PARAM_DEFAULT = 123456;
public static final int SWS_PRINT_INFO = 0x1000;
//the following 3 flags are not completely implemented
//internal chrominance subsampling info
public static final int SWS_FULL_CHR_H_INT = 0x2000;
//input subsampling info
public static final int SWS_FULL_CHR_H_INP = 0x4000;
public static final int SWS_DIRECT_BGR = 0x8000;
public static final int SWS_ACCURATE_RND = 0x40000;
public static final int SWS_BITEXACT = 0x80000;
public static final int SWS_ERROR_DIFFUSION = 0x800000;
public static final double SWS_MAX_REDUCE_CUTOFF = 0.002;
public static final int SWS_CS_ITU709 = 1;
public static final int SWS_CS_FCC = 4;
public static final int SWS_CS_ITU601 = 5;
public static final int SWS_CS_ITU624 = 5;
public static final int SWS_CS_SMPTE170M = 5;
public static final int SWS_CS_SMPTE240M = 7;
public static final int SWS_CS_DEFAULT = 5;
public static final int SWS_CS_BT2020 = 9;
/**
* Return a pointer to yuv<->rgb coefficients for the given colorspace
* suitable for sws_setColorspaceDetails().
*
* @param colorspace One of the SWS_CS_* macros. If invalid,
* SWS_CS_DEFAULT is used.
*/
@NoException public static native @Const IntPointer sws_getCoefficients(int colorspace);
// when used for filters they must have an odd number of elements
// coeffs cannot be shared between vectors
public static class SwsVector extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public SwsVector() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public SwsVector(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public SwsVector(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public SwsVector position(long position) {
return (SwsVector)super.position(position);
}
/** pointer to the list of coefficients */
public native DoublePointer coeff(); public native SwsVector coeff(DoublePointer coeff);
/** number of coefficients in the vector */
public native int length(); public native SwsVector length(int length);
}
// vectors can be shared
public static class SwsFilter extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public SwsFilter() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public SwsFilter(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public SwsFilter(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public SwsFilter position(long position) {
return (SwsFilter)super.position(position);
}
public native SwsVector lumH(); public native SwsFilter lumH(SwsVector lumH);
public native SwsVector lumV(); public native SwsFilter lumV(SwsVector lumV);
public native SwsVector chrH(); public native SwsFilter chrH(SwsVector chrH);
public native SwsVector chrV(); public native SwsFilter chrV(SwsVector chrV);
}
@Opaque public static class SwsContext extends Pointer {
/** Empty constructor. Calls {@code super((Pointer)null)}. */
public SwsContext() { super((Pointer)null); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public SwsContext(Pointer p) { super(p); }
}
/**
* Return a positive value if pix_fmt is a supported input format, 0
* otherwise.
*/
@NoException public static native int sws_isSupportedInput(@Cast("AVPixelFormat") int pix_fmt);
/**
* Return a positive value if pix_fmt is a supported output format, 0
* otherwise.
*/
@NoException public static native int sws_isSupportedOutput(@Cast("AVPixelFormat") int pix_fmt);
/**
* @param [in] pix_fmt the pixel format
* @return a positive value if an endianness conversion for pix_fmt is
* supported, 0 otherwise.
*/
@NoException public static native int sws_isSupportedEndiannessConversion(@Cast("AVPixelFormat") int pix_fmt);
/**
* Allocate an empty SwsContext. This must be filled and passed to
* sws_init_context(). For filling see AVOptions, options.c and
* sws_setColorspaceDetails().
*/
@NoException public static native SwsContext sws_alloc_context();
/**
* Initialize the swscaler context sws_context.
*
* @return zero or positive value on success, a negative value on
* error
*/
@NoException public static native int sws_init_context(SwsContext sws_context, SwsFilter srcFilter, SwsFilter dstFilter);
/**
* Free the swscaler context swsContext.
* If swsContext is NULL, then does nothing.
*/
@NoException public static native void sws_freeContext(SwsContext swsContext);
/**
* Allocate and return an SwsContext. You need it to perform
* scaling/conversion operations using sws_scale().
*
* @param srcW the width of the source image
* @param srcH the height of the source image
* @param srcFormat the source image format
* @param dstW the width of the destination image
* @param dstH the height of the destination image
* @param dstFormat the destination image format
* @param flags specify which algorithm and options to use for rescaling
* @param param extra parameters to tune the used scaler
* For SWS_BICUBIC param[0] and [1] tune the shape of the basis
* function, param[0] tunes f(1) and param[1] f??(1)
* For SWS_GAUSS param[0] tunes the exponent and thus cutoff
* frequency
* For SWS_LANCZOS param[0] tunes the width of the window function
* @return a pointer to an allocated context, or NULL in case of error
* \note this function is to be removed after a saner alternative is
* written
*/
@NoException public static native SwsContext sws_getContext(int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const DoublePointer param);
@NoException public static native SwsContext sws_getContext(int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const DoubleBuffer param);
@NoException public static native SwsContext sws_getContext(int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const double[] param);
/**
* Scale the image slice in srcSlice and put the resulting scaled
* slice in the image in dst. A slice is a sequence of consecutive
* rows in an image.
*
* Slices have to be provided in sequential order, either in
* top-bottom or bottom-top order. If slices are provided in
* non-sequential order the behavior of the function is undefined.
*
* @param c the scaling context previously created with
* sws_getContext()
* @param srcSlice the array containing the pointers to the planes of
* the source slice
* @param srcStride the array containing the strides for each plane of
* the source image
* @param srcSliceY the position in the source image of the slice to
* process, that is the number (counted starting from
* zero) in the image of the first row of the slice
* @param srcSliceH the height of the source slice, that is the number
* of rows in the slice
* @param dst the array containing the pointers to the planes of
* the destination image
* @param dstStride the array containing the strides for each plane of
* the destination image
* @return the height of the output slice
*/
@NoException public static native int sws_scale(SwsContext c, @Cast("const uint8_t*const*") PointerPointer srcSlice,
@Const IntPointer srcStride, int srcSliceY, int srcSliceH,
@Cast("uint8_t*const*") PointerPointer dst, @Const IntPointer dstStride);
@NoException public static native int sws_scale(SwsContext c, @Cast("const uint8_t*const*") @ByPtrPtr BytePointer srcSlice,
@Const IntPointer srcStride, int srcSliceY, int srcSliceH,
@Cast("uint8_t*const*") @ByPtrPtr BytePointer dst, @Const IntPointer dstStride);
@NoException public static native int sws_scale(SwsContext c, @Cast("const uint8_t*const*") @ByPtrPtr ByteBuffer srcSlice,
@Const IntBuffer srcStride, int srcSliceY, int srcSliceH,
@Cast("uint8_t*const*") @ByPtrPtr ByteBuffer dst, @Const IntBuffer dstStride);
@NoException public static native int sws_scale(SwsContext c, @Cast("const uint8_t*const*") @ByPtrPtr byte[] srcSlice,
@Const int[] srcStride, int srcSliceY, int srcSliceH,
@Cast("uint8_t*const*") @ByPtrPtr byte[] dst, @Const int[] dstStride);
/**
* @param dstRange flag indicating the while-black range of the output (1=jpeg / 0=mpeg)
* @param srcRange flag indicating the while-black range of the input (1=jpeg / 0=mpeg)
* @param table the yuv2rgb coefficients describing the output yuv space, normally ff_yuv2rgb_coeffs[x]
* @param inv_table the yuv2rgb coefficients describing the input yuv space, normally ff_yuv2rgb_coeffs[x]
* @param brightness 16.16 fixed point brightness correction
* @param contrast 16.16 fixed point contrast correction
* @param saturation 16.16 fixed point saturation correction
* @return -1 if not supported
*/
@NoException public static native int sws_setColorspaceDetails(SwsContext c, @Const IntPointer inv_table,
int srcRange, @Const IntPointer table, int dstRange,
int brightness, int contrast, int saturation);
@NoException public static native int sws_setColorspaceDetails(SwsContext c, @Const IntBuffer inv_table,
int srcRange, @Const IntBuffer table, int dstRange,
int brightness, int contrast, int saturation);
@NoException public static native int sws_setColorspaceDetails(SwsContext c, @Const int[] inv_table,
int srcRange, @Const int[] table, int dstRange,
int brightness, int contrast, int saturation);
/**
* @return -1 if not supported
*/
@NoException public static native int sws_getColorspaceDetails(SwsContext c, @Cast("int**") PointerPointer inv_table,
IntPointer srcRange, @Cast("int**") PointerPointer table, IntPointer dstRange,
IntPointer brightness, IntPointer contrast, IntPointer saturation);
@NoException public static native int sws_getColorspaceDetails(SwsContext c, @ByPtrPtr IntPointer inv_table,
IntPointer srcRange, @ByPtrPtr IntPointer table, IntPointer dstRange,
IntPointer brightness, IntPointer contrast, IntPointer saturation);
@NoException public static native int sws_getColorspaceDetails(SwsContext c, @ByPtrPtr IntBuffer inv_table,
IntBuffer srcRange, @ByPtrPtr IntBuffer table, IntBuffer dstRange,
IntBuffer brightness, IntBuffer contrast, IntBuffer saturation);
@NoException public static native int sws_getColorspaceDetails(SwsContext c, @ByPtrPtr int[] inv_table,
int[] srcRange, @ByPtrPtr int[] table, int[] dstRange,
int[] brightness, int[] contrast, int[] saturation);
/**
* Allocate and return an uninitialized vector with length coefficients.
*/
@NoException public static native SwsVector sws_allocVec(int length);
/**
* Return a normalized Gaussian curve used to filter stuff
* quality = 3 is high quality, lower is lower quality.
*/
@NoException public static native SwsVector sws_getGaussianVec(double variance, double quality);
/**
* Scale all the coefficients of a by the scalar value.
*/
@NoException public static native void sws_scaleVec(SwsVector a, double scalar);
/**
* Scale all the coefficients of a so that their sum equals height.
*/
@NoException public static native void sws_normalizeVec(SwsVector a, double height);
// #if FF_API_SWS_VECTOR
@NoException public static native @Deprecated SwsVector sws_getConstVec(double c, int length);
@NoException public static native @Deprecated SwsVector sws_getIdentityVec();
@NoException public static native @Deprecated void sws_convVec(SwsVector a, SwsVector b);
@NoException public static native @Deprecated void sws_addVec(SwsVector a, SwsVector b);
@NoException public static native @Deprecated void sws_subVec(SwsVector a, SwsVector b);
@NoException public static native @Deprecated void sws_shiftVec(SwsVector a, int shift);
@NoException public static native @Deprecated SwsVector sws_cloneVec(SwsVector a);
@NoException public static native @Deprecated void sws_printVec2(SwsVector a, AVClass log_ctx, int log_level);
// #endif
@NoException public static native void sws_freeVec(SwsVector a);
@NoException public static native SwsFilter sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
float lumaSharpen, float chromaSharpen,
float chromaHShift, float chromaVShift,
int verbose);
@NoException public static native void sws_freeFilter(SwsFilter filter);
/**
* Check if context can be reused, otherwise reallocate a new one.
*
* If context is NULL, just calls sws_getContext() to get a new
* context. Otherwise, checks if the parameters are the ones already
* saved in context. If that is the case, returns the current
* context. Otherwise, frees context and gets a new context with
* the new parameters.
*
* Be warned that srcFilter and dstFilter are not checked, they
* are assumed to remain the same.
*/
@NoException public static native SwsContext sws_getCachedContext(SwsContext context,
int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const DoublePointer param);
@NoException public static native SwsContext sws_getCachedContext(SwsContext context,
int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const DoubleBuffer param);
@NoException public static native SwsContext sws_getCachedContext(SwsContext context,
int srcW, int srcH, @Cast("AVPixelFormat") int srcFormat,
int dstW, int dstH, @Cast("AVPixelFormat") int dstFormat,
int flags, SwsFilter srcFilter,
SwsFilter dstFilter, @Const double[] param);
/**
* Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.
*
* The output frame will have the same packed format as the palette.
*
* @param src source frame buffer
* @param dst destination frame buffer
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*/
@NoException public static native void sws_convertPalette8ToPacked32(@Cast("const uint8_t*") BytePointer src, @Cast("uint8_t*") BytePointer dst, int num_pixels, @Cast("const uint8_t*") BytePointer palette);
@NoException public static native void sws_convertPalette8ToPacked32(@Cast("const uint8_t*") ByteBuffer src, @Cast("uint8_t*") ByteBuffer dst, int num_pixels, @Cast("const uint8_t*") ByteBuffer palette);
@NoException public static native void sws_convertPalette8ToPacked32(@Cast("const uint8_t*") byte[] src, @Cast("uint8_t*") byte[] dst, int num_pixels, @Cast("const uint8_t*") byte[] palette);
/**
* Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.
*
* With the palette format "ABCD", the destination frame ends up with the format "ABC".
*
* @param src source frame buffer
* @param dst destination frame buffer
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*/
@NoException public static native void sws_convertPalette8ToPacked24(@Cast("const uint8_t*") BytePointer src, @Cast("uint8_t*") BytePointer dst, int num_pixels, @Cast("const uint8_t*") BytePointer palette);
@NoException public static native void sws_convertPalette8ToPacked24(@Cast("const uint8_t*") ByteBuffer src, @Cast("uint8_t*") ByteBuffer dst, int num_pixels, @Cast("const uint8_t*") ByteBuffer palette);
@NoException public static native void sws_convertPalette8ToPacked24(@Cast("const uint8_t*") byte[] src, @Cast("uint8_t*") byte[] dst, int num_pixels, @Cast("const uint8_t*") byte[] palette);
/**
* Get the AVClass for swsContext. It can be used in combination with
* AV_OPT_SEARCH_FAKE_OBJ for examining options.
*
* @see av_opt_find().
*/
@NoException public static native @Const AVClass sws_get_class();
/**
* \}
*/
// #endif /* SWSCALE_SWSCALE_H */
}
