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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (C) 2009 Loren Merritt |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "config.h" |
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| 22 | #include "libavutil/attributes.h" |
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| 23 | #include "libavutil/cpu.h" |
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| 24 | #include "libavutil/mem.h" |
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| 25 | #include "libavutil/x86/asm.h" |
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| 26 | #include "libavutil/x86/cpu.h" |
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| 27 | #include "libavfilter/gradfun.h" |
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| 28 | |||
| 29 | #if HAVE_YASM |
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| 30 | void ff_gradfun_filter_line_mmxext(intptr_t x, uint8_t *dst, const uint8_t *src, |
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| 31 | const uint16_t *dc, int thresh, |
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| 32 | const uint16_t *dithers); |
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| 33 | static void gradfun_filter_line_mmxext(uint8_t *dst, const uint8_t *src, |
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| 34 | const uint16_t *dc, |
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| 35 | int width, int thresh, |
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| 36 | const uint16_t *dithers) |
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| 37 | { |
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| 38 | intptr_t x; |
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| 39 | if (width & 3) { |
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| 40 | x = width & ~3; |
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| 41 | ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2, width - x, thresh, dithers); |
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| 42 | width = x; |
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| 43 | } |
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| 44 | x = -width; |
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| 45 | ff_gradfun_filter_line_mmxext(x, dst + width, src + width, dc + width/2, |
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| 46 | thresh, dithers); |
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| 47 | } |
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| 48 | |||
| 49 | void ff_gradfun_filter_line_ssse3(intptr_t x, uint8_t *dst, const uint8_t *src, |
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| 50 | const uint16_t *dc, int thresh, |
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| 51 | const uint16_t *dithers); |
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| 52 | static void gradfun_filter_line_ssse3(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers) |
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| 53 | { |
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| 54 | intptr_t x; |
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| 55 | if (width & 7) { |
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| 56 | // could be 10% faster if I somehow eliminated this |
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| 57 | x = width & ~7; |
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| 58 | ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2, width - x, thresh, dithers); |
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| 59 | width = x; |
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| 60 | } |
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| 61 | x = -width; |
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| 62 | ff_gradfun_filter_line_ssse3(x, dst + width, src + width, dc + width/2, |
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| 63 | thresh, dithers); |
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| 64 | } |
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| 65 | |||
| 66 | void ff_gradfun_blur_line_movdqa_sse2(intptr_t x, uint16_t *buf, const uint16_t *buf1, uint16_t *dc, const uint8_t *src1, const uint8_t *src2); |
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| 67 | void ff_gradfun_blur_line_movdqu_sse2(intptr_t x, uint16_t *buf, const uint16_t *buf1, uint16_t *dc, const uint8_t *src1, const uint8_t *src2); |
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| 68 | static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width) |
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| 69 | { |
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| 70 | intptr_t x = -2*width; |
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| 71 | if (((intptr_t) src | src_linesize) & 15) { |
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| 72 | ff_gradfun_blur_line_movdqu_sse2(x, buf + width, buf1 + width, |
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| 73 | dc + width, src + width * 2, |
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| 74 | src + width * 2 + src_linesize); |
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| 75 | } else { |
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| 76 | ff_gradfun_blur_line_movdqa_sse2(x, buf + width, buf1 + width, |
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| 77 | dc + width, src + width * 2, |
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| 78 | src + width * 2 + src_linesize); |
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| 79 | } |
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| 80 | } |
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| 81 | #endif /* HAVE_YASM */ |
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| 82 | |||
| 83 | av_cold void ff_gradfun_init_x86(GradFunContext *gf) |
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| 84 | { |
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| 85 | #if HAVE_YASM |
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| 86 | int cpu_flags = av_get_cpu_flags(); |
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| 87 | |||
| 88 | if (EXTERNAL_MMXEXT(cpu_flags)) |
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| 89 | gf->filter_line = gradfun_filter_line_mmxext; |
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| 90 | if (EXTERNAL_SSSE3(cpu_flags)) |
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| 91 | gf->filter_line = gradfun_filter_line_ssse3; |
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| 92 | |||
| 93 | if (EXTERNAL_SSE2(cpu_flags)) |
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| 94 | gf->blur_line = gradfun_blur_line_sse2; |
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| 95 | #endif /* HAVE_YASM */ |
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| 96 | } |