[FFmpeg-devel] [PATCH 3/3] lavc/vp8dsp: R-V V put_bilin_hv

[flow gg <hlefthleft@gmail.com>]

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From e1a01b1e0a365935868d7825d53c7cc64e2c1787 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Fri, 23 Feb 2024 22:35:23 +0800
Subject: [PATCH 3/3] lavc/vp8dsp: R-V V put_bilin_hv

C908:
vp8_put_bilin4_hv_c: 567.7
vp8_put_bilin4_hv_rvv_i32: 255.7
vp8_put_bilin8_hv_c: 2169.5
vp8_put_bilin8_hv_rvv_i32: 528.7
vp8_put_bilin16_hv_c: 4777.5
vp8_put_bilin16_hv_rvv_i32: 587.7
---
 libavcodec/riscv/vp8dsp_init.c | 13 +++++++++++++
 libavcodec/riscv/vp8dsp_rvv.S  | 35 ++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/libavcodec/riscv/vp8dsp_init.c b/libavcodec/riscv/vp8dsp_init.c
index 10e1498d01..02dbda979e 100644
--- a/libavcodec/riscv/vp8dsp_init.c
+++ b/libavcodec/riscv/vp8dsp_init.c
@@ -65,6 +65,19 @@ av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c)
         c->put_vp8_bilinear_pixels_tab[1][2][0] = ff_put_vp8_bilin8_v_rvv;
         c->put_vp8_bilinear_pixels_tab[2][1][0] = ff_put_vp8_bilin4_v_rvv;
         c->put_vp8_bilinear_pixels_tab[2][2][0] = ff_put_vp8_bilin4_v_rvv;
+
+        c->put_vp8_bilinear_pixels_tab[0][1][1] = ff_put_vp8_bilin16_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[0][1][2] = ff_put_vp8_bilin16_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[0][2][1] = ff_put_vp8_bilin16_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[0][2][2] = ff_put_vp8_bilin16_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[1][1][1] = ff_put_vp8_bilin8_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[1][1][2] = ff_put_vp8_bilin8_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[1][2][1] = ff_put_vp8_bilin8_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[1][2][2] = ff_put_vp8_bilin8_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[2][1][1] = ff_put_vp8_bilin4_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[2][1][2] = ff_put_vp8_bilin4_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[2][2][1] = ff_put_vp8_bilin4_hv_rvv;
+        c->put_vp8_bilinear_pixels_tab[2][2][2] = ff_put_vp8_bilin4_hv_rvv;
     }
 #endif
 }
diff --git a/libavcodec/riscv/vp8dsp_rvv.S b/libavcodec/riscv/vp8dsp_rvv.S
index a58c197ba1..9d4ffed255 100644
--- a/libavcodec/riscv/vp8dsp_rvv.S
+++ b/libavcodec/riscv/vp8dsp_rvv.S
@@ -188,3 +188,38 @@ func ff_put_vp8_bilin4_v_rvv, zve32x
         vsetivli        zero, 4, e8, mf4, ta, ma
         put_vp8_bilin_v
 endfunc
+
+.macro put_vp8_bilin_hv len
+        li              t3, 8
+        sub             t1, t3, a5
+        sub             t2, t3, a6
+        li              t4, 4
+        li              t5, 1
+        bilin_h_load    v4, \len
+        add             a2, a2, a3
+1:
+        addi            a4, a4, -1
+        vwmulu.vx       v20, v4, t2
+        bilin_h_load    v4, \len
+        vwmaccu.vx      v20, a6, v4
+        vwaddu.wx       v24, v20, t4
+        vnsra.wi        v0, v24, 3
+        vse8.v          v0, (a0)
+        add             a2, a2, a3
+        add             a0, a0, a1
+        bnez            a4, 1b
+
+        ret
+.endm
+
+func ff_put_vp8_bilin16_hv_rvv, zve32x
+        put_vp8_bilin_hv 16
+endfunc
+
+func ff_put_vp8_bilin8_hv_rvv, zve32x
+        put_vp8_bilin_hv 8
+endfunc
+
+func ff_put_vp8_bilin4_hv_rvv, zve32x
+        put_vp8_bilin_hv 4
+endfunc
-- 
2.43.2


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