/*
  * 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/avassert.h"
 #include "libavutil/common.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 = ff_spatial_idwt_init_8bit(d, type);

     else if (bit_depth == 10)

         ret = ff_spatial_idwt_init_10bit(d, type);

     else if (bit_depth == 12)

         ret = ff_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 && bit_depth == 8)
         ff_spatial_idwt_init_x86(d, type);

     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);
     }
 }