vf_fspp_init.c

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/*
 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
 * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU 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 "libavutil/attributes.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/vf_fspp.h"

void ff_store_slice_mmx(uint8_t *dst, int16_t *src,
                        ptrdiff_t dst_stride, ptrdiff_t src_stride,
                        ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
void ff_store_slice2_mmx(uint8_t *dst, int16_t *src,
                         ptrdiff_t dst_stride, ptrdiff_t src_stride,
                         ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
void ff_mul_thrmat_mmx(int16_t *thr_adr_noq, int16_t *thr_adr, int q);
void ff_column_fidct_mmx(int16_t *thr_adr, int16_t *data, int16_t *output, int cnt);
void ff_row_idct_mmx(int16_t *workspace, int16_t *output_adr, ptrdiff_t output_stride, int cnt);
void ff_row_fdct_mmx(int16_t *data, const uint8_t *pixels, ptrdiff_t line_size, int cnt);

av_cold void ff_fspp_init_x86(FSPPContext *s)
{
    int cpu_flags = av_get_cpu_flags();

    if (EXTERNAL_MMX(cpu_flags)) {
        s->store_slice  = ff_store_slice_mmx;
        s->store_slice2 = ff_store_slice2_mmx;
        s->mul_thrmat   = ff_mul_thrmat_mmx;
        s->column_fidct = ff_column_fidct_mmx;
        s->row_idct     = ff_row_idct_mmx;
        s->row_fdct     = ff_row_fdct_mmx;
    }
}