mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.6 KiB
77 lines
2.6 KiB
/* |
|
* 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" |
|
#include "libavcodec/x86/dirac_dwt.h" |
|
|
|
#define TEMPLATE_8bit |
|
#include "dirac_dwt_template.c" |
|
#undef TEMPLATE_8bit |
|
|
|
#define TEMPLATE_10bit |
|
#include "dirac_dwt_template.c" |
|
#undef TEMPLATE_10bit |
|
|
|
#define TEMPLATE_12bit |
|
#include "dirac_dwt_template.c" |
|
#undef TEMPLATE_12bit |
|
|
|
int ff_spatial_idwt_init2(DWTContext *d, uint8_t *buffer, int width, int height, |
|
int stride, enum dwt_type type, int decomposition_count, |
|
uint8_t *temp, int bit_depth) |
|
{ |
|
int ret = 0; |
|
|
|
if (bit_depth == 8) |
|
ret = ff_spatial_idwt_init2_8bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
|
else if (bit_depth == 10) |
|
ret = ff_spatial_idwt_init2_10bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
|
else if (bit_depth == 12) |
|
ret = ff_spatial_idwt_init2_12bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
|
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 (bit_depth == 8 && HAVE_MMX) |
|
ff_spatial_idwt_init_mmx(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); |
|
} |
|
}
|
|
|