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74 lines
2.5 KiB
74 lines
2.5 KiB
/* |
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* Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (C) 2008 David Conrad |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/common.h" |
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#include "dirac_dwt.h" |
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#include "libavcodec/x86/dirac_dwt.h" |
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#define TEMPLATE_8bit |
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#include "dirac_dwt_template.c" |
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#define TEMPLATE_10bit |
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#include "dirac_dwt_template.c" |
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#define TEMPLATE_12bit |
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#include "dirac_dwt_template.c" |
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int ff_spatial_idwt_init2(DWTContext *d, uint8_t *buffer, int width, int height, |
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int stride, enum dwt_type type, int decomposition_count, |
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uint8_t *temp, int bit_depth) |
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{ |
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int ret = 0; |
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if (bit_depth == 8) |
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ret = ff_spatial_idwt_init2_8bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
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else if (bit_depth == 10) |
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ret = ff_spatial_idwt_init2_10bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
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else if (bit_depth == 12) |
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ret = ff_spatial_idwt_init2_12bit(d, buffer, width, height, stride, type, decomposition_count, temp); |
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else |
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av_log(NULL, AV_LOG_WARNING, "Unsupported bit depth = %i\n", bit_depth); |
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if (ret) { |
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av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type); |
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return AVERROR_INVALIDDATA; |
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} |
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if (bit_depth == 8 && HAVE_MMX) |
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ff_spatial_idwt_init_mmx(d, type); |
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return 0; |
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} |
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void ff_spatial_idwt_slice2(DWTContext *d, int y) |
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{ |
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int level, support = d->support; |
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for (level = d->decomposition_count-1; level >= 0; level--) { |
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int wl = d->width >> level; |
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int hl = d->height >> level; |
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int stride_l = d->stride << level; |
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while (d->cs[level].y <= FFMIN((y>>level)+support, hl)) |
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d->spatial_compose(d, level, wl, hl, stride_l); |
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} |
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}
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