/*

 * Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at>

 * Copyright (C) 2008 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 "libavutil/attributes.h"

#include "libavutil/common.h"

#include "libavutil/log.h"

#include "dirac_dwt.h"

#define TEMPLATE_8bit

#include "dirac_dwt_template.c"

#define TEMPLATE_10bit

#include "dirac_dwt_template.c"

#define TEMPLATE_12bit

#include "dirac_dwt_template.c"

int ff_spatial_idwt_init(DWTContext *d, DWTPlane *p, enum dwt_type type,

                         int decomposition_count, int bit_depth)

{

    int ret = 0;

    d->buffer = p->buf;

    d->width  = p->width;

    d->height = p->height;

    d->stride = p->stride;

    d->temp   = p->tmp;

    d->decomposition_count = decomposition_count;

    if (bit_depth == 8)

        ret = spatial_idwt_init_8bit(d, type);

    else if (bit_depth == 10)

        ret = spatial_idwt_init_10bit(d, type);

    else if (bit_depth == 12)

        ret = spatial_idwt_init_12bit(d, type);

    else

        av_log(NULL, AV_LOG_WARNING, "Unsupported bit depth = %i\n", bit_depth);

    if (ret) {

        av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type);

        return AVERROR_INVALIDDATA;

    }

#if ARCH_X86 && HAVE_X86ASM

    if (bit_depth == 8)

        ff_spatial_idwt_init_x86(d, type);

#endif

    return 0;

}

void ff_spatial_idwt_slice2(DWTContext *d, int y)

{

    int level, support = d->support;

    for (level = d->decomposition_count-1; level >= 0; level--) {

        int wl = d->width  >> level;

        int hl = d->height >> level;

        int stride_l = d->stride << level;

        while (d->cs[level].y <= FFMIN((y>>level)+support, hl))

            d->spatial_compose(d, level, wl, hl, stride_l);

    }

}