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/*
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* Copyright (c) 2024 Institute 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 vsetvlstatic w, vlen, en, mn1, mn2, mn3, mn4, mn5, mn6, vta=ta
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.if \w == 2 && \vlen == 128
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vsetivli zero, \w, \en, \mn1, \vta, ma
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.elseif \w <= 4 && \vlen == 128
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vsetivli zero, \w, \en, \mn2, \vta, ma
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.elseif \w <= 8 && \vlen == 128
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vsetivli zero, \w, \en, \mn3, \vta, ma
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.elseif \w <= 16 && \vlen == 128
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vsetivli zero, \w, \en, \mn4, \vta, ma
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.elseif \w <= 32 && \vlen == 128
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li t0, \w
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vsetvli zero, t0, \en, \mn5, \vta, ma
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.elseif \w <= 4 && \vlen == 256
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vsetivli zero, \w, \en, \mn1, \vta, ma
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.elseif \w <= 8 && \vlen == 256
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vsetivli zero, \w, \en, \mn2, \vta, ma
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.elseif \w <= 16 && \vlen == 256
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vsetivli zero, \w, \en, \mn3, \vta, ma
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.elseif \w <= 32 && \vlen == 256
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li t0, \w
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vsetvli zero, t0, \en, \mn4, \vta, ma
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.elseif \w <= 64 && \vlen == 256
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li t0, \w
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vsetvli zero, t0, \en, \mn5, \vta, ma
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.else
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li t0, \w
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vsetvli zero, t0, \en, \mn6, \vta, ma
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.endif
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.endm
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.macro vsetvlstatic8 w, vlen, vta
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vsetvlstatic \w, \vlen, e8, mf8, mf4, mf2, m1, m2, m4, \vta
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.endm
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.macro vsetvlstatic16 w, vlen, vta
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vsetvlstatic \w, \vlen, e16, mf4, mf2, m1, m2, m4, m8, \vta
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.endm
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.macro vsetvlstatic32 w, vlen, vta
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vsetvlstatic \w, \vlen, e32, mf2, m1, m2, m4, m8, m8, \vta
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.endm
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.macro POW2_JMP_TABLE id, vlen
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const jmp_table_\id\vlen
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.4byte \id\()2\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()4\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()8\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()16\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()32\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()64\vlen\()f - jmp_table_\id\vlen
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.4byte \id\()128\vlen\()f - jmp_table_\id\vlen
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endconst
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.endm
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.macro POW2_J vlen, id, w
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clz t1, \w
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neg t1, t1
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lla t5, jmp_table_\id\vlen
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sh2add t1, t1, t5
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lw t1, ((__riscv_xlen-2)<<2)(t1)
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add t1, t1, t5
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jr t1
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.endm
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.macro put_pixels w, vlen, id, MAX_PB_SIZE
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\id\w\vlen:
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vsetvlstatic8 \w, \vlen
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li t2, 1<<6
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.if \w == 128 && \vlen == 128
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1:
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addi t0, a1, 64
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addi t1, a0, 64*2
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vle8.v v0, (a1)
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vle8.v v16, (t0)
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vwmulu.vx v8, v0, t2
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vwmulu.vx v24, v16, t2
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vse16.v v8, (a0)
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vse16.v v24, (t1)
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add a1, a1, a2
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addi a3, a3, -1
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addi a0, a0, 128*2
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bnez a3, 1b
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.else
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1:
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vle8.v v0, (a1)
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vwmulu.vx v8, v0, t2
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vse16.v v8, (a0)
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add a1, a1, a2
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addi a3, a3, -1
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addi a0, a0, \MAX_PB_SIZE<<1
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bnez a3, 1b
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.endif
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ret
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.endm
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.macro func_put_pixels vlen, MAX_PB_SIZE, name
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func ff_\name\()_put_pixels_8_rvv_\vlen\(), zve32x, zbb, zba
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lpad 0
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POW2_JMP_TABLE 3, \vlen
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POW2_J \vlen, 3, a6
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.irp w,2,4,8,16,32,64,128
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put_pixels \w, \vlen, 3, \MAX_PB_SIZE
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.endr
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endfunc
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.endm
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@@ -0,0 +1,24 @@
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/*
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* Copyright (c) 2024 Institute 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 "libavcodec/riscv/h26x/asm.S"
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func_put_pixels 256, 64, h2656
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func_put_pixels 128, 64, h2656
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@@ -0,0 +1,27 @@
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/*
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* Copyright (c) 2024 Institute 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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#ifndef AVCODEC_RISCV_H26X_H2656DSP_H
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#define AVCODEC_RISCV_H26X_H2656DSP_H
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void ff_h2656_put_pixels_8_rvv_256(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride, int height, intptr_t mx, intptr_t my, int width);
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void ff_h2656_put_pixels_8_rvv_128(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride, int height, intptr_t mx, intptr_t my, int width);
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#endif
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