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/*
 * Copyright (C) 2010 David Conrad
 *
 * 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 "dsputil_mmx.h"
#include "diracdsp_mmx.h"

void ff_put_rect_clamped_mmx(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
void ff_put_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
void ff_put_signed_rect_clamped_mmx(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
void ff_put_signed_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);

#define HPEL_FILTER(MMSIZE, EXT)                                                             \
    void ff_dirac_hpel_filter_v_ ## EXT(uint8_t *, uint8_t *, int, int);                     \
    void ff_dirac_hpel_filter_h_ ## EXT(uint8_t *, uint8_t *, int);                          \
                                                                                             \
    static void dirac_hpel_filter_ ## EXT(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc,       \
                                          uint8_t *src, int stride, int width, int height)   \
    {                                                                                        \
        while( height-- )                                                                    \
        {                                                                                    \
            ff_dirac_hpel_filter_v_ ## EXT(dstv-MMSIZE, src-MMSIZE, stride, width+MMSIZE+5); \
            ff_dirac_hpel_filter_h_ ## EXT(dsth, src, width);                                \
            ff_dirac_hpel_filter_h_ ## EXT(dstc, dstv, width);                               \
                                                                                             \
            dsth += stride;                                                                  \
            dstv += stride;                                                                  \
            dstc += stride;                                                                  \
            src  += stride;                                                                  \
        }                                                                                    \
    }

#if !ARCH_X86_64
HPEL_FILTER(8, mmx)
#endif
HPEL_FILTER(16, sse2)

#define PIXFUNC(PFX, IDX, EXT)                                                   \
    /*MMXDISABLEDc->PFX ## _dirac_pixels_tab[0][IDX] = ff_ ## PFX ## _dirac_pixels8_ ## EXT;*/  \
    c->PFX ## _dirac_pixels_tab[1][IDX] = ff_ ## PFX ## _dirac_pixels16_ ## EXT; \
    c->PFX ## _dirac_pixels_tab[2][IDX] = ff_ ## PFX ## _dirac_pixels32_ ## EXT

void ff_diracdsp_init_mmx(DiracDSPContext* c)
{
    int mm_flags = av_get_cpu_flags();

#if HAVE_YASM
    c->add_dirac_obmc[0] = ff_add_dirac_obmc8_mmx;
#if !ARCH_X86_64
    c->add_dirac_obmc[1] = ff_add_dirac_obmc16_mmx;
    c->add_dirac_obmc[2] = ff_add_dirac_obmc32_mmx;
    c->dirac_hpel_filter = dirac_hpel_filter_mmx;
    c->add_rect_clamped = ff_add_rect_clamped_mmx;
    c->put_signed_rect_clamped = ff_put_signed_rect_clamped_mmx;
#endif
#endif

    PIXFUNC(put, 0, mmx);
    PIXFUNC(avg, 0, mmx);

    if (mm_flags & AV_CPU_FLAG_MMX2) {
        PIXFUNC(avg, 0, mmx2);
    }

    if (mm_flags & AV_CPU_FLAG_SSE2) {
#if HAVE_YASM
        c->dirac_hpel_filter = dirac_hpel_filter_sse2;
        c->add_rect_clamped = ff_add_rect_clamped_sse2;
        c->put_signed_rect_clamped = ff_put_signed_rect_clamped_sse2;

        c->add_dirac_obmc[1] = ff_add_dirac_obmc16_sse2;
        c->add_dirac_obmc[2] = ff_add_dirac_obmc32_sse2;
#endif
        c->put_dirac_pixels_tab[1][0] = ff_put_dirac_pixels16_sse2;
        c->avg_dirac_pixels_tab[1][0] = ff_avg_dirac_pixels16_sse2;
        c->put_dirac_pixels_tab[2][0] = ff_put_dirac_pixels32_sse2;
        c->avg_dirac_pixels_tab[2][0] = ff_avg_dirac_pixels32_sse2;
    }
}