lavc/llvidencdsp: add R-V V diff_bytes
diff_bytes_c: 163.0 diff_bytes_rvv_i32: 52.7
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@ -94,7 +94,9 @@ av_cold void ff_llvidencdsp_init(LLVidEncDSPContext *c)
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c->sub_median_pred = sub_median_pred_c;
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c->sub_median_pred = sub_median_pred_c;
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c->sub_left_predict = sub_left_predict_c;
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c->sub_left_predict = sub_left_predict_c;
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#if ARCH_X86
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#if ARCH_RISCV
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ff_llvidencdsp_init_riscv(c);
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#elif ARCH_X86
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ff_llvidencdsp_init_x86(c);
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ff_llvidencdsp_init_x86(c);
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#endif
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#endif
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}
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}
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@ -40,6 +40,7 @@ typedef struct LLVidEncDSPContext {
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} LLVidEncDSPContext;
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} LLVidEncDSPContext;
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void ff_llvidencdsp_init(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init_riscv(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
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void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
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#endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
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#endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
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@ -30,6 +30,8 @@ OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_init.o
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RVV-OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_rvv.o
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RVV-OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_rvv.o
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OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_init.o
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OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_init.o
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RVV-OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_rvv.o
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RVV-OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_rvv.o
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OBJS-$(CONFIG_LLVIDENCDSP) += riscv/llvidencdsp_init.o
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RVV-OBJS-$(CONFIG_LLVIDENCDSP) += riscv/llvidencdsp_rvv.o
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OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_init.o
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OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_init.o
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RVV-OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_rvv.o
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RVV-OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_rvv.o
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OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \
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OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \
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@ -0,0 +1,39 @@
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/*
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* Copyright © 2023 Rémi Denis-Courmont.
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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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavcodec/lossless_videoencdsp.h"
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void ff_llvidenc_diff_bytes_rvv(uint8_t *dst, const uint8_t *src1,
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const uint8_t *src2, intptr_t w);
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av_cold void ff_llvidencdsp_init_riscv(LLVidEncDSPContext *c)
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{
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#if HAVE_RVV
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int flags = av_get_cpu_flags();
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if (flags & AV_CPU_FLAG_RVV_I32) {
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c->diff_bytes = ff_llvidenc_diff_bytes_rvv;
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}
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#endif
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}
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@ -0,0 +1,37 @@
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/*
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* Copyright © 2023 Rémi Denis-Courmont.
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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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func ff_llvidenc_diff_bytes_rvv, zve32x
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1:
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vsetvli t0, a3, e8, m8, ta, ma
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vle8.v v0, (a1)
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sub a3, a3, t0
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vle8.v v8, (a2)
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add a1, t0, a1
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vsub.vv v8, v0, v8
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add a2, t0, a2
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vse8.v v8, (a0)
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add a0, t0, a0
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bnez a3, 1b
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ret
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endfunc
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