FFmpeg/libavfilter/vf_nlmeans.h

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFILTER_NLMEANS_H
#define AVFILTER_NLMEANS_H

#include <stddef.h>
#include <stdint.h>

typedef struct NLMeansDSPContext {
    void (*compute_safe_ssd_integral_image)(uint32_t *dst, ptrdiff_t dst_linesize_32,
                                            const uint8_t *s1, ptrdiff_t linesize1,
                                            const uint8_t *s2, ptrdiff_t linesize2,
                                            int w, int h);
    void (*compute_weights_line)(const uint32_t *const iia,
                                 const uint32_t *const iib,
                                 const uint32_t *const iid,
                                 const uint32_t *const iie,
                                 const uint8_t *const src,
                                 float *total_weight,
                                 float *sum,
                                 const float *const weight_lut,
                                 int max_meaningful_diff,
                                 int startx, int endx);
} NLMeansDSPContext;

void ff_nlmeans_init_aarch64(NLMeansDSPContext *dsp);
void ff_nlmeans_init_x86(NLMeansDSPContext *dsp);

#endif /* AVFILTER_NLMEANS_H */