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libavfilter
gradfun.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2010 Nolan Lum <nol888@gmail.com>
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* Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_GRADFUN_H
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#define AVFILTER_GRADFUN_H
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#include "
avfilter.h
"
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typedef
struct
GradFunContext
{
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const
AVClass
*
class
;
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float
strength
;
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int
thresh
;
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int
radius
;
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int
chroma_w
;
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int
chroma_h
;
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int
chroma_r
;
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uint16_t *
buf
;
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void
(*
filter_line
) (
uint8_t
*dst,
uint8_t
*src, uint16_t *
dc
,
int
width
,
int
thresh
,
const
uint16_t *dithers);
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void
(*
blur_line
) (uint16_t *
dc
, uint16_t *
buf
, uint16_t *buf1,
uint8_t
*src,
int
src_linesize,
int
width
);
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}
GradFunContext
;
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void
ff_gradfun_init_x86
(
GradFunContext
*gf);
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void
ff_gradfun_filter_line_c
(
uint8_t
*dst,
uint8_t
*src, uint16_t *
dc
,
int
width
,
int
thresh,
const
uint16_t *dithers);
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void
ff_gradfun_blur_line_c
(uint16_t *
dc
, uint16_t *buf, uint16_t *buf1,
uint8_t
*src,
int
src_linesize,
int
width
);
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#endif
/* AVFILTER_GRADFUN_H */
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