/*

 * 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 "libavutil/attributes.h"

#include "avcodec.h"

#include "faandct.h"

#include "fdctdsp.h"

#include "config.h"

av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)

{

    av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;

    if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {

        c->fdct    = ff_jpeg_fdct_islow_10;

        c->fdct248 = ff_fdct248_islow_10;

    } else if (avctx->dct_algo == FF_DCT_FASTINT) {

        c->fdct    = ff_fdct_ifast;

        c->fdct248 = ff_fdct_ifast248;

#if CONFIG_FAANDCT

    } else if (avctx->dct_algo == FF_DCT_FAAN) {

        c->fdct    = ff_faandct;

        c->fdct248 = ff_faandct248;

#endif /* CONFIG_FAANDCT */

    } else {

        c->fdct    = ff_jpeg_fdct_islow_8; // slow/accurate/default

        c->fdct248 = ff_fdct248_islow_8;

    }

#if ARCH_AARCH64

    ff_fdctdsp_init_aarch64(c, avctx, high_bit_depth);

#elif ARCH_PPC

    ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);

#elif ARCH_X86

    ff_fdctdsp_init_x86(c, avctx, high_bit_depth);

#endif

}