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/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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 OWNER OR CONTRIBUTORS 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 DAV1D_SRC_CDEF_H
#define DAV1D_SRC_CDEF_H
#include <stddef.h>
#include <stdint.h>
#include "common/bitdepth.h"
enum CdefEdgeFlags {
CDEF_HAVE_LEFT = 1 << 0,
CDEF_HAVE_RIGHT = 1 << 1,
CDEF_HAVE_TOP = 1 << 2,
CDEF_HAVE_BOTTOM = 1 << 3,
};
#ifdef BITDEPTH
typedef const pixel (*const_left_pixel_row_2px)[2];
#else
typedef const void *const_left_pixel_row_2px;
#endif
// CDEF operates entirely on pre-filter data; if bottom/right edges are
// present (according to $edges), then the pre-filter data is located in
// $dst. However, the edge pixels above $dst may be post-filter, so in
// order to get access to pre-filter top pixels, use $top.
#define decl_cdef_fn(name) \
void (name)(pixel *dst, ptrdiff_t stride, const_left_pixel_row_2px left, \
const pixel *top, const pixel *bottom, \
int pri_strength, int sec_strength, \
int dir, int damping, enum CdefEdgeFlags edges HIGHBD_DECL_SUFFIX)
typedef decl_cdef_fn(*cdef_fn);
#define decl_cdef_dir_fn(name) \
int (name)(const pixel *dst, ptrdiff_t dst_stride, unsigned *var HIGHBD_DECL_SUFFIX)
typedef decl_cdef_dir_fn(*cdef_dir_fn);
typedef struct Dav1dCdefDSPContext {
cdef_dir_fn dir;
cdef_fn fb[3 /* 444/luma, 422, 420 */];
} Dav1dCdefDSPContext;
bitfn_decls(void dav1d_cdef_dsp_init, Dav1dCdefDSPContext *c);
#endif /* DAV1D_SRC_CDEF_H */
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