| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at> | ||
| 3 | * Copyright (C) 2008 David Conrad | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "libavutil/attributes.h" | ||
| 23 | #include "libavutil/common.h" | ||
| 24 | #include "dirac_dwt.h" | ||
| 25 | |||
| 26 | #define TEMPLATE_8bit | ||
| 27 | #include "dirac_dwt_template.c" | ||
| 28 | |||
| 29 | #define TEMPLATE_10bit | ||
| 30 | #include "dirac_dwt_template.c" | ||
| 31 | |||
| 32 | #define TEMPLATE_12bit | ||
| 33 | #include "dirac_dwt_template.c" | ||
| 34 | |||
| 35 | 780 | int ff_spatial_idwt_init(DWTContext *d, DWTPlane *p, enum dwt_type type, | |
| 36 | int decomposition_count, int bit_depth) | ||
| 37 | { | ||
| 38 | 780 | int ret = 0; | |
| 39 | |||
| 40 | 780 | d->buffer = p->buf; | |
| 41 | 780 | d->width = p->width; | |
| 42 | 780 | d->height = p->height; | |
| 43 | 780 | d->stride = p->stride; | |
| 44 | 780 | d->temp = p->tmp; | |
| 45 | 780 | d->decomposition_count = decomposition_count; | |
| 46 | |||
| 47 |
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780 | if (bit_depth == 8) |
| 48 | 348 | ret = spatial_idwt_init_8bit(d, type); | |
| 49 |
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432 | else if (bit_depth == 10) |
| 50 | 270 | ret = spatial_idwt_init_10bit(d, type); | |
| 51 |
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162 | else if (bit_depth == 12) |
| 52 | 162 | ret = spatial_idwt_init_12bit(d, type); | |
| 53 | else | ||
| 54 | ✗ | av_log(NULL, AV_LOG_WARNING, "Unsupported bit depth = %i\n", bit_depth); | |
| 55 | |||
| 56 |
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780 | if (ret) { |
| 57 | ✗ | av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type); | |
| 58 | ✗ | return AVERROR_INVALIDDATA; | |
| 59 | } | ||
| 60 | |||
| 61 | #if ARCH_X86 | ||
| 62 |
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780 | if (bit_depth == 8) |
| 63 | 348 | ff_spatial_idwt_init_x86(d, type); | |
| 64 | #endif | ||
| 65 | 780 | return 0; | |
| 66 | } | ||
| 67 | |||
| 68 | 13440 | void ff_spatial_idwt_slice2(DWTContext *d, int y) | |
| 69 | { | ||
| 70 | 13440 | int level, support = d->support; | |
| 71 | |||
| 72 |
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63480 | for (level = d->decomposition_count-1; level >= 0; level--) { |
| 73 | 50040 | int wl = d->width >> level; | |
| 74 | 50040 | int hl = d->height >> level; | |
| 75 | 50040 | int stride_l = d->stride << level; | |
| 76 | |||
| 77 |
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229602 | while (d->cs[level].y <= FFMIN((y>>level)+support, hl)) |
| 78 | 179562 | d->spatial_compose(d, level, wl, hl, stride_l); | |
| 79 | } | ||
| 80 | 13440 | } | |
| 81 |