mirror of https://git.ffmpeg.org/ffmpeg.git
lavc/takdsp: R-V V decorrelate_ls
C908: decorrelate_ls_c: 69.7 decorrelate_ls_rvv_i32: 27.2 Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
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@ -42,6 +42,8 @@ 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-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o
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RV-OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_rvi.o
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RV-OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_rvi.o
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RVV-OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_rvv.o
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RVV-OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_rvv.o
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OBJS-$(CONFIG_TAK_DECODER) += riscv/takdsp_init.o
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RVV-OBJS-$(CONFIG_TAK_DECODER) += riscv/takdsp_rvv.o
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OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_init.o
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OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_init.o
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RVV-OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_rvv.o
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RVV-OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_rvv.o
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OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_init.o
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OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_init.o
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@ -0,0 +1,39 @@
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/*
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* Copyright (c) 2023 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 <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/riscv/cpu.h"
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#include "libavcodec/takdsp.h"
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void ff_decorrelate_ls_rvv(int32_t *p1, int32_t *p2, int length);
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av_cold void ff_takdsp_init_riscv(TAKDSPContext *dsp)
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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) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
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dsp->decorrelate_ls = ff_decorrelate_ls_rvv;
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}
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#endif
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}
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@ -0,0 +1,35 @@
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/*
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* Copyright (c) 2023 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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func ff_decorrelate_ls_rvv, zve32x
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1:
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vsetvli t0, a2, e32, m8, ta, ma
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sub a2, a2, t0
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vle32.v v0, (a0)
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sh2add a0, t0, a0
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vle32.v v8, (a1)
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vadd.vv v16, v0, v8
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vse32.v v16, (a1)
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sh2add a1, t0, a1
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bnez a2, 1b
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ret
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endfunc
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@ -77,7 +77,9 @@ av_cold void ff_takdsp_init(TAKDSPContext *c)
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c->decorrelate_sm = decorrelate_sm;
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c->decorrelate_sm = decorrelate_sm;
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c->decorrelate_sf = decorrelate_sf;
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c->decorrelate_sf = decorrelate_sf;
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#if ARCH_X86
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#if ARCH_RISCV
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ff_takdsp_init_riscv(c);
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#elif ARCH_X86
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ff_takdsp_init_x86(c);
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ff_takdsp_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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@ -29,6 +29,7 @@ typedef struct TAKDSPContext {
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} TAKDSPContext;
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} TAKDSPContext;
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void ff_takdsp_init(TAKDSPContext *c);
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void ff_takdsp_init(TAKDSPContext *c);
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void ff_takdsp_init_riscv(TAKDSPContext *c);
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void ff_takdsp_init_x86(TAKDSPContext *c);
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void ff_takdsp_init_x86(TAKDSPContext *c);
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#endif /* AVCODEC_TAKDSP_H */
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#endif /* AVCODEC_TAKDSP_H */
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