chromium/third_party/libaom/source/libaom/av1/common/convolve.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_CONVOLVE_H_
#define AOM_AV1_COMMON_CONVOLVE_H_
#include "av1/common/filter.h"

#ifdef __cplusplus
extern "C" {
#endif

CONV_BUF_TYPE;
ConvolveParams;

WienerConvolveParams;

#define ROUND0_BITS …
#define COMPOUND_ROUND1_BITS …
#define WIENER_ROUND0_BITS …

#define WIENER_CLAMP_LIMIT(r0, bd) …

aom_convolve_fn_t;

aom_highbd_convolve_fn_t;

struct AV1Common;
struct scale_factors;

void av1_convolve_2d_facade(const uint8_t *src, int src_stride, uint8_t *dst,
                            int dst_stride, int w, int h,
                            const InterpFilterParams *interp_filters[2],
                            const int subpel_x_qn, int x_step_q4,
                            const int subpel_y_qn, int y_step_q4, int scaled,
                            ConvolveParams *conv_params);

static inline ConvolveParams get_conv_params_no_round(int cmp_index, int plane,
                                                      CONV_BUF_TYPE *dst,
                                                      int dst_stride,
                                                      int is_compound, int bd) { … }

static inline ConvolveParams get_conv_params(int do_average, int plane,
                                             int bd) { … }

static inline WienerConvolveParams get_conv_params_wiener(int bd) { … }

void av1_highbd_convolve_2d_facade(const uint8_t *src8, int src_stride,
                                   uint8_t *dst, int dst_stride, int w, int h,
                                   const InterpFilterParams *interp_filters[2],
                                   const int subpel_x_qn, int x_step_q4,
                                   const int subpel_y_qn, int y_step_q4,
                                   int scaled, ConvolveParams *conv_params,
                                   int bd);

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

#endif  // AOM_AV1_COMMON_CONVOLVE_H_