FFmpeg/libavcodec/arm/dsputil_init_armv5te.c

/*
 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
 *
 * This file is part of Libav.
 *
 * Libav 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.
 *
 * Libav 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 Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavcodec/dsputil.h"
#include "dsputil_arm.h"

void ff_simple_idct_armv5te(DCTELEM *data);
void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data);

void ff_prefetch_arm(void *mem, int stride, int h);

void av_cold ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx)
{
    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
        (avctx->idct_algo == FF_IDCT_AUTO ||
         avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
        c->idct_put              = ff_simple_idct_put_armv5te;
        c->idct_add              = ff_simple_idct_add_armv5te;
        c->idct                  = ff_simple_idct_armv5te;
        c->idct_permutation_type = FF_NO_IDCT_PERM;
    }

    c->prefetch = ff_prefetch_arm;
}