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58 lines
1.8 KiB
58 lines
1.8 KiB
/* |
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* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS). |
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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/riscv/asm.S" |
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.macro vsetvlstatic8 len an maxlen mn=m4 |
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.if \len == 4 |
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vsetivli zero, \len, e8, mf4, ta, ma |
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.elseif \len == 8 |
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vsetivli zero, \len, e8, mf2, ta, ma |
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.elseif \len == 16 |
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vsetivli zero, \len, e8, m1, ta, ma |
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.elseif \len == 32 |
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li \an, \len |
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vsetvli zero, \an, e8, m2, ta, ma |
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.elseif \len == 64 |
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li \an, \maxlen |
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vsetvli zero, \an, e8, \mn, ta, ma |
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.endif |
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.endm |
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.macro copy_avg len |
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func ff_vp9_avg\len\()_rvv, zve32x |
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csrwi vxrm, 0 |
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vsetvlstatic8 \len, t0, 64 |
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1: |
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vle8.v v8, (a2) |
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vle8.v v16, (a0) |
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vaaddu.vv v8, v8, v16 |
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addi a4, a4, -1 |
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vse8.v v8, (a0) |
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add a2, a2, a3 |
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add a0, a0, a1 |
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bnez a4, 1b |
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ret |
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endfunc |
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.endm |
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.irp len, 64, 32, 16, 8, 4 |
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copy_avg \len |
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.endr
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