chromium/third_party/libaom/source/libaom/av1/common/cdef.h

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */
#ifndef AOM_AV1_COMMON_CDEF_H_
#define AOM_AV1_COMMON_CDEF_H_

#define CDEF_STRENGTH_BITS …

#define CDEF_PRI_STRENGTHS …
#define CDEF_SEC_STRENGTHS …

#include "config/aom_config.h"

#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/cdef_block.h"

enum { … } UENUM1BYTE(…) …;

struct AV1CdefSyncData;

/*!\brief Parameters related to CDEF Block */
CdefBlockInfo;

static inline int sign(int i) { … }

static inline int constrain(int diff, int threshold, int damping) { … }

#ifdef __cplusplus
extern "C" {
#endif

int av1_cdef_compute_sb_list(const CommonModeInfoParams *const mi_params,
                             int mi_row, int mi_col, cdef_list *dlist,
                             BLOCK_SIZE bsize);

cdef_init_fb_row_t;

/*!\brief Function for applying CDEF to a frame
 *
 * \ingroup in_loop_cdef
 * This function applies CDEF to a frame.
 *
 * \param[in, out]  frame     Compressed frame buffer
 * \param[in, out]  cm        Pointer to top level common structure
 * \param[in]       xd        Pointer to common current coding block structure
 * \param[in]       cdef_init_fb_row_fn   Function Pointer
 *
 * \remark Nothing is returned. Instead, the filtered frame is output in
 * \c frame.
 */
void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *const cm,
                    MACROBLOCKD *xd, cdef_init_fb_row_t cdef_init_fb_row_fn);
void av1_cdef_fb_row(const AV1_COMMON *const cm, MACROBLOCKD *xd,
                     uint16_t **const linebuf, uint16_t **const colbuf,
                     uint16_t *const src, int fbr,
                     cdef_init_fb_row_t cdef_init_fb_row_fn,
                     struct AV1CdefSyncData *const cdef_sync,
                     struct aom_internal_error_info *error_info);
void av1_cdef_init_fb_row(const AV1_COMMON *const cm,
                          const MACROBLOCKD *const xd,
                          CdefBlockInfo *const fb_info,
                          uint16_t **const linebuf, uint16_t *const src,
                          struct AV1CdefSyncData *const cdef_sync, int fbr);

#ifdef __cplusplus
}  // extern "C"
#endif
#endif  // AOM_AV1_COMMON_CDEF_H_