just rebase
<u...@foxmail.com> 于2024年5月14日周二 01:00写道：
> From: sunyuechi <sunyue...@iscas.ac.cn>
>
> C908:
> vp9_vert_8x8_8bpp_c: 22.0
> vp9_vert_8x8_8bpp_rvi: 15.7
> vp9_vert_16x16_8bpp_c: 71.2
> vp9_vert_16x16_8bpp_rvi: 39.0
> vp9_vert_32x32_8bpp_c: 300.2
> vp9_vert_32x32_8bpp_rvi: 135.2
> ---
> libavcodec/riscv/Makefile | 1 +
> libavcodec/riscv/vp9_intra_rvi.S | 71 ++++++++++++++++++++++++++++++++
> libavcodec/riscv/vp9dsp.h | 6 +++
> libavcodec/riscv/vp9dsp_init.c | 15 +++++--
> 4 files changed, 90 insertions(+), 3 deletions(-)
> create mode 100644 libavcodec/riscv/vp9_intra_rvi.S
>
> diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
> index 89273b1cad..ccd060c666 100644
> --- a/libavcodec/riscv/Makefile
> +++ b/libavcodec/riscv/Makefile
> @@ -62,6 +62,7 @@ OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_init.o
> RV-OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_rvi.o
> RVV-OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_rvv.o
> OBJS-$(CONFIG_VP9_DECODER) += riscv/vp9dsp_init.o
> +RV-OBJS-$(CONFIG_VP9_DECODER) += riscv/vp9_intra_rvi.o
> RVV-OBJS-$(CONFIG_VP9_DECODER) += riscv/vp9_intra_rvv.o
> OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_init.o
> RVV-OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_rvv.o
> diff --git a/libavcodec/riscv/vp9_intra_rvi.S
> b/libavcodec/riscv/vp9_intra_rvi.S
> new file mode 100644
> index 0000000000..16b6bdb25a
> --- /dev/null
> +++ b/libavcodec/riscv/vp9_intra_rvi.S
> @@ -0,0 +1,71 @@
> +/*
> + * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences
> (ISCAS).
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * FFmpeg is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with FFmpeg; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> 02110-1301 USA
> + */
> +
> +#include "libavutil/riscv/asm.S"
> +
> +#if __riscv_xlen >= 64
> +func ff_v_32x32_rvi
> + ld t0, (a3)
> + ld t1, 8(a3)
> + ld t2, 16(a3)
> + ld t3, 24(a3)
> + .rept 16
> + add a7, a0, a1
> + sd t0, (a0)
> + sd t1, 8(a0)
> + sd t2, 16(a0)
> + sd t3, 24(a0)
> + sh1add a0, a1, a0
> + sd t0, (a7)
> + sd t1, 8(a7)
> + sd t2, 16(a7)
> + sd t3, 24(a7)
> + .endr
> +
> + ret
> +endfunc
> +
> +func ff_v_16x16_rvi
> + ld t0, (a3)
> + ld t1, 8(a3)
> + .rept 8
> + add a7, a0, a1
> + sd t0, (a0)
> + sd t1, 8(a0)
> + sh1add a0, a1, a0
> + sd t0, (a7)
> + sd t1, 8(a7)
> + .endr
> +
> + ret
> +endfunc
> +
> +func ff_v_8x8_rvi
> + ld t0, (a3)
> + .rept 4
> + add a7, a0, a1
> + sd t0, (a0)
> + sh1add a0, a1, a0
> + sd t0, (a7)
> + .endr
> +
> + ret
> +endfunc
> +#endif
> diff --git a/libavcodec/riscv/vp9dsp.h b/libavcodec/riscv/vp9dsp.h
> index 25047ed507..f8bc6563a5 100644
> --- a/libavcodec/riscv/vp9dsp.h
> +++ b/libavcodec/riscv/vp9dsp.h
> @@ -60,6 +60,12 @@ void ff_dc_129_16x16_rvv(uint8_t *dst, ptrdiff_t
> stride, const uint8_t *l,
> const uint8_t *a);
> void ff_dc_129_8x8_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
> const uint8_t *a);
> +void ff_v_32x32_rvi(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
> + const uint8_t *a);
> +void ff_v_16x16_rvi(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
> + const uint8_t *a);
> +void ff_v_8x8_rvi(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
> + const uint8_t *a);
>
> #define VP9_8TAP_RISCV_RVV_FUNC(SIZE, type, type_idx)
> \
> void ff_put_8tap_##type##_##SIZE##h_rvv(uint8_t *dst, ptrdiff_t
> dststride, \
> diff --git a/libavcodec/riscv/vp9dsp_init.c
> b/libavcodec/riscv/vp9dsp_init.c
> index dd418bd5bf..0f64afc6d2 100644
> --- a/libavcodec/riscv/vp9dsp_init.c
> +++ b/libavcodec/riscv/vp9dsp_init.c
> @@ -24,11 +24,19 @@
> #include "libavcodec/vp9dsp.h"
> #include "vp9dsp.h"
>
> -static av_cold void vp9dsp_intrapred_init_rvv(VP9DSPContext *dsp, int bpp)
> +static av_cold void vp9dsp_intrapred_init_riscv(VP9DSPContext *dsp, int
> bpp)
> {
> -#if HAVE_RVV
> +#if HAVE_RV
> int flags = av_get_cpu_flags();
>
> + if (bpp == 8 && (flags & AV_CPU_FLAG_RV_MISALIGNED) && (flags &
> AV_CPU_FLAG_RVB_ADDR)) {
> +# if __riscv_xlen >= 64
> + dsp->intra_pred[TX_32X32][VERT_PRED] = ff_v_32x32_rvi;
> + dsp->intra_pred[TX_16X16][VERT_PRED] = ff_v_16x16_rvi;
> + dsp->intra_pred[TX_8X8][VERT_PRED] = ff_v_8x8_rvi;
> +# endif
> + }
> +#if HAVE_RVV
> if (bpp == 8 && flags & AV_CPU_FLAG_RVV_I64 && ff_rv_vlen_least(128))
> {
> dsp->intra_pred[TX_8X8][DC_PRED] = ff_dc_8x8_rvv;
> dsp->intra_pred[TX_8X8][LEFT_DC_PRED] = ff_dc_left_8x8_rvv;
> @@ -53,9 +61,10 @@ static av_cold void
> vp9dsp_intrapred_init_rvv(VP9DSPContext *dsp, int bpp)
> dsp->intra_pred[TX_16X16][TOP_DC_PRED] = ff_dc_top_16x16_rvv;
> }
> #endif
> +#endif
> }
>
> av_cold void ff_vp9dsp_init_riscv(VP9DSPContext *dsp, int bpp, int
> bitexact)
> {
> - vp9dsp_intrapred_init_rvv(dsp, bpp);
> + vp9dsp_intrapred_init_riscv(dsp, bpp);
> }
> --
> 2.45.0
>
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