Quelle  hpeldsp_init_aarch64.c

/*
 * ARM NEON optimised DSP functions
 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
 *
 * 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
 */

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

#include "config.h"

#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/aarch64/cpu.h"
#include "libavcodec/hpeldsp.h"

void     ff_put_pixels16_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_put_pixels16_x2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_put_pixels16_y2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void ff_put_pixels16_xy2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void      ff_put_pixels8_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void   ff_put_pixels8_x2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void   ff_put_pixels8_y2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_put_pixels8_xy2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);

void  ff_put_pixels16_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void  ff_put_pixels16_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void ff_put_pixels16_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void   ff_put_pixels8_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void   ff_put_pixels8_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void  ff_put_pixels8_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);

void     ff_avg_pixels16_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_avg_pixels16_x2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_avg_pixels16_y2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void ff_avg_pixels16_xy2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void      ff_avg_pixels8_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void   ff_avg_pixels8_x2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void   ff_avg_pixels8_y2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);
void  ff_avg_pixels8_xy2_neon(uint8_t *block, const uint8_t *pixels,
                              ptrdiff_t line_size, int h);

void  ff_avg_pixels16_x2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void  ff_avg_pixels16_y2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);
void ff_avg_pixels16_xy2_no_rnd_neon(uint8_t *block, const uint8_t *pixels,
                                     ptrdiff_t line_size, int h);

av_cold void ff_hpeldsp_init_aarch64(HpelDSPContext *c, int flags)
{
    int cpu_flags = av_get_cpu_flags();

    if (have_neon(cpu_flags)) {
        c->put_pixels_tab[0][0] = ff_put_pixels16_neon;
        c->put_pixels_tab[0][1] = ff_put_pixels16_x2_neon;
        c->put_pixels_tab[0][2] = ff_put_pixels16_y2_neon;
        c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_neon;
        c->put_pixels_tab[1][0] = ff_put_pixels8_neon;
        c->put_pixels_tab[1][1] = ff_put_pixels8_x2_neon;
        c->put_pixels_tab[1][2] = ff_put_pixels8_y2_neon;
        c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_neon;

        c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_neon;
        c->put_no_rnd_pixels_tab[0][1] = ff_put_pixels16_x2_no_rnd_neon;
        c->put_no_rnd_pixels_tab[0][2] = ff_put_pixels16_y2_no_rnd_neon;
        c->put_no_rnd_pixels_tab[0][3] = ff_put_pixels16_xy2_no_rnd_neon;
        c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_neon;
        c->put_no_rnd_pixels_tab[1][1] = ff_put_pixels8_x2_no_rnd_neon;
        c->put_no_rnd_pixels_tab[1][2] = ff_put_pixels8_y2_no_rnd_neon;
        c->put_no_rnd_pixels_tab[1][3] = ff_put_pixels8_xy2_no_rnd_neon;

        c->avg_pixels_tab[0][0] = ff_avg_pixels16_neon;
        c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_neon;
        c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_neon;
        c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_neon;
        c->avg_pixels_tab[1][0] = ff_avg_pixels8_neon;
        c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_neon;
        c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_neon;
        c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_neon;

        c->avg_no_rnd_pixels_tab[0] = ff_avg_pixels16_neon;
        c->avg_no_rnd_pixels_tab[1] = ff_avg_pixels16_x2_no_rnd_neon;
        c->avg_no_rnd_pixels_tab[2] = ff_avg_pixels16_y2_no_rnd_neon;
        c->avg_no_rnd_pixels_tab[3] = ff_avg_pixels16_xy2_no_rnd_neon;
    }
}