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99 lines
3.4 KiB
99 lines
3.4 KiB
/* |
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* Copyright (c) 2024 Ramiro Polla |
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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/aarch64/asm.S" |
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.macro lumConvertRange name, max, mult, offset, shift |
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function ff_\name, export=1 |
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.if \max != 0 |
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mov w3, #\max |
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dup v24.8h, w3 |
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.endif |
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mov w3, #\mult |
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dup v25.4s, w3 |
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movz w3, #(\offset & 0xffff) |
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movk w3, #((\offset >> 16) & 0xffff), lsl #16 |
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dup v26.4s, w3 |
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1: |
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ld1 {v0.8h}, [x0] |
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.if \max != 0 |
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smin v0.8h, v0.8h, v24.8h |
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.endif |
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mov v16.16b, v26.16b |
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mov v18.16b, v26.16b |
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sxtl v20.4s, v0.4h |
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sxtl2 v22.4s, v0.8h |
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mla v16.4s, v20.4s, v25.4s |
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mla v18.4s, v22.4s, v25.4s |
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shrn v0.4h, v16.4s, #\shift |
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shrn2 v0.8h, v18.4s, #\shift |
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subs w1, w1, #8 |
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st1 {v0.8h}, [x0], #16 |
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b.gt 1b |
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ret |
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endfunc |
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.endm |
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.macro chrConvertRange name, max, mult, offset, shift |
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function ff_\name, export=1 |
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.if \max != 0 |
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mov w3, #\max |
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dup v24.8h, w3 |
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.endif |
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mov w3, #\mult |
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dup v25.4s, w3 |
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movz w3, #(\offset & 0xffff) |
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movk w3, #((\offset >> 16) & 0xffff), lsl #16 |
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dup v26.4s, w3 |
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1: |
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ld1 {v0.8h}, [x0] |
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ld1 {v1.8h}, [x1] |
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.if \max != 0 |
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smin v0.8h, v0.8h, v24.8h |
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smin v1.8h, v1.8h, v24.8h |
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.endif |
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mov v16.16b, v26.16b |
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mov v17.16b, v26.16b |
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mov v18.16b, v26.16b |
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mov v19.16b, v26.16b |
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sxtl v20.4s, v0.4h |
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sxtl v21.4s, v1.4h |
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sxtl2 v22.4s, v0.8h |
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sxtl2 v23.4s, v1.8h |
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mla v16.4s, v20.4s, v25.4s |
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mla v17.4s, v21.4s, v25.4s |
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mla v18.4s, v22.4s, v25.4s |
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mla v19.4s, v23.4s, v25.4s |
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shrn v0.4h, v16.4s, #\shift |
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shrn v1.4h, v17.4s, #\shift |
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shrn2 v0.8h, v18.4s, #\shift |
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shrn2 v1.8h, v19.4s, #\shift |
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subs w2, w2, #8 |
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st1 {v0.8h}, [x0], #16 |
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st1 {v1.8h}, [x1], #16 |
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b.gt 1b |
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ret |
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endfunc |
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.endm |
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lumConvertRange lumRangeToJpeg_neon, 30189, 19077, -39057361, 14 |
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chrConvertRange chrRangeToJpeg_neon, 30775, 4663, -9289992, 12 |
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lumConvertRange lumRangeFromJpeg_neon, 0, 14071, 33561947, 14 |
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chrConvertRange chrRangeFromJpeg_neon, 0, 1799, 4081085, 11
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