| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2007 Benoit Fouet | ||
| 3 | * Copyright (c) 2010 Stefano Sabatini | ||
| 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 | #ifndef AVFILTER_HFLIP_INIT_H | ||
| 23 | #define AVFILTER_HFLIP_INIT_H | ||
| 24 | |||
| 25 | #include <stdint.h> | ||
| 26 | |||
| 27 | #include "config.h" | ||
| 28 | #include "libavutil/attributes.h" | ||
| 29 | #include "libavutil/error.h" | ||
| 30 | #include "libavutil/intreadwrite.h" | ||
| 31 | #include "hflip.h" | ||
| 32 | |||
| 33 | 33309 | static void hflip_byte_c(const uint8_t *src, uint8_t *dst, int w) | |
| 34 | { | ||
| 35 |
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9990045 | for (int j = 0; j < w; j++) |
| 36 | 9956736 | dst[j] = src[-j]; | |
| 37 | 33309 | } | |
| 38 | |||
| 39 | 174909 | static void hflip_short_c(const uint8_t *ssrc, uint8_t *ddst, int w) | |
| 40 | { | ||
| 41 | 174909 | const uint16_t *src = (const uint16_t *)ssrc; | |
| 42 | 174909 | uint16_t *dst = (uint16_t *)ddst; | |
| 43 | |||
| 44 |
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56158845 | for (int j = 0; j < w; j++) |
| 45 | 55983936 | dst[j] = src[-j]; | |
| 46 | 174909 | } | |
| 47 | |||
| 48 | 29376 | static void hflip_dword_c(const uint8_t *ssrc, uint8_t *ddst, int w) | |
| 49 | { | ||
| 50 | 29376 | const uint32_t *src = (const uint32_t *)ssrc; | |
| 51 | 29376 | uint32_t *dst = (uint32_t *)ddst; | |
| 52 | |||
| 53 |
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9254592 | for (int j = 0; j < w; j++) |
| 54 | 9225216 | dst[j] = src[-j]; | |
| 55 | 29376 | } | |
| 56 | |||
| 57 | 1728 | static void hflip_b24_c(const uint8_t *src, uint8_t *dst, int w) | |
| 58 | { | ||
| 59 | 1728 | const uint8_t *in = src; | |
| 60 | 1728 | uint8_t *out = dst; | |
| 61 | |||
| 62 |
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609984 | for (int j = 0; j < w; j++, out += 3, in -= 3) { |
| 63 | 608256 | int32_t v = AV_RB24(in); | |
| 64 | |||
| 65 | 608256 | AV_WB24(out, v); | |
| 66 | } | ||
| 67 | 1728 | } | |
| 68 | |||
| 69 | 3456 | static void hflip_b48_c(const uint8_t *src, uint8_t *dst, int w) | |
| 70 | { | ||
| 71 | 3456 | const uint8_t *in = src; | |
| 72 | 3456 | uint8_t *out = dst; | |
| 73 | |||
| 74 |
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1219968 | for (int j = 0; j < w; j++, out += 6, in -= 6) { |
| 75 | 1216512 | int64_t v = AV_RB48(in); | |
| 76 | |||
| 77 | 1216512 | AV_WB48(out, v); | |
| 78 | } | ||
| 79 | 3456 | } | |
| 80 | |||
| 81 | 5760 | static void hflip_qword_c(const uint8_t *ssrc, uint8_t *ddst, int w) | |
| 82 | { | ||
| 83 | 5760 | const uint64_t *src = (const uint64_t *)ssrc; | |
| 84 | 5760 | uint64_t *dst = (uint64_t *)ddst; | |
| 85 | |||
| 86 |
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2033280 | for (int j = 0; j < w; j++) |
| 87 | 2027520 | dst[j] = src[-j]; | |
| 88 | 5760 | } | |
| 89 | |||
| 90 | 221 | static av_unused int ff_hflip_init(FlipContext *s, int step[4], int nb_planes) | |
| 91 | { | ||
| 92 |
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785 | for (int i = 0; i < nb_planes; i++) { |
| 93 | 564 | step[i] *= s->bayer_plus1; | |
| 94 |
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564 | switch (step[i]) { |
| 95 | 115 | case 1: s->flip_line[i] = hflip_byte_c; break; | |
| 96 | 376 | case 2: s->flip_line[i] = hflip_short_c; break; | |
| 97 | 3 | case 3: s->flip_line[i] = hflip_b24_c; break; | |
| 98 | 54 | case 4: s->flip_line[i] = hflip_dword_c; break; | |
| 99 | 6 | case 6: s->flip_line[i] = hflip_b48_c; break; | |
| 100 | 10 | case 8: s->flip_line[i] = hflip_qword_c; break; | |
| 101 | ✗ | default: | |
| 102 | ✗ | return AVERROR_BUG; | |
| 103 | } | ||
| 104 | } | ||
| 105 | #if ARCH_X86 | ||
| 106 | 221 | ff_hflip_init_x86(s, step, nb_planes); | |
| 107 | #endif | ||
| 108 | |||
| 109 | 221 | return 0; | |
| 110 | } | ||
| 111 | |||
| 112 | #endif /* AVFILTER_HFLIP_INIT_H */ | ||
| 113 |