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/*
* Copyright (c) 2011 Pascal Getreuer
* Copyright (c) 2016 Paul B Mahol
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AVFILTER_GBLUR_H
#define AVFILTER_GBLUR_H
#include "avfilter.h"
typedef struct GBlurContext {
const AVClass *class;
float sigma;
float sigmaV;
int steps;
int planes;
int flt;
int depth;
int stride;
int planewidth[4];
int planeheight[4];
float *buffer;
float *localbuf; ///< temporary buffer for horiz_slice. NULL if not used
float boundaryscale;
float boundaryscaleV;
float postscale;
float postscaleV;
float nu;
float nuV;
int nb_planes;
void (*horiz_slice)(float *buffer, int width, int height, int steps, float nu, float bscale, float *localbuf);
void (*verti_slice)(float *buffer, int width, int height, int slice_start, int slice_end, int steps,
float nu, float bscale);
void (*postscale_slice)(float *buffer, int length, float postscale, float min, float max);
} GBlurContext;
void ff_gblur_init_x86(GBlurContext *s);
#endif
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