From 488d0cd6645b2c6936c3298e010615facb6d0bd0 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Fri, 23 Feb 2024 22:35:01 +0800
Subject: [PATCH 2/3] lavc/vp8dsp: R-V V put_bilin_v
C908:
vp8_put_bilin4_v_c: 383.5
vp8_put_bilin4_v_rvv_i32: 139.7
vp8_put_bilin8_v_c: 1455.7
vp8_put_bilin8_v_rvv_i32: 299.7
vp8_put_bilin16_v_c: 2863.7
vp8_put_bilin16_v_rvv_i32: 347.7
---
libavcodec/riscv/vp8dsp_init.c | 7 +++++++
libavcodec/riscv/vp8dsp_rvv.S | 36 ++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
@@ -58,6 +58,13 @@ av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c)
c->put_vp8_bilinear_pixels_tab[1][0][2] = ff_put_vp8_bilin8_h_rvv;
c->put_vp8_bilinear_pixels_tab[2][0][1] = ff_put_vp8_bilin4_h_rvv;
c->put_vp8_bilinear_pixels_tab[2][0][2] = ff_put_vp8_bilin4_h_rvv;
+
+ c->put_vp8_bilinear_pixels_tab[0][1][0] = ff_put_vp8_bilin16_v_rvv;
+ c->put_vp8_bilinear_pixels_tab[0][2][0] = ff_put_vp8_bilin16_v_rvv;
+ c->put_vp8_bilinear_pixels_tab[1][1][0] = ff_put_vp8_bilin8_v_rvv;
+ 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;
}
#endif
}
@@ -152,3 +152,39 @@ endfunc
func ff_put_vp8_bilin4_h_rvv, zve32x
put_vp8_bilin_h 4
endfunc
+
+.macro put_vp8_bilin_v
+ li t1, 8
+ li t4, 4
+ sub t1, t1, a6
+1:
+ add t2, a2, a3
+ addi a4, a4, -1
+ vle8.v v0, (a2)
+ vle8.v v2, (t2)
+ vwmulu.vx v28, v0, t1
+ vwmaccu.vx v28, a6, v2
+ vwaddu.wx v24, v28, 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_v_rvv, zve32x
+ vsetivli zero, 16, e8, m1, ta, ma
+ put_vp8_bilin_v
+endfunc
+
+func ff_put_vp8_bilin8_v_rvv, zve32x
+ vsetivli zero, 8, e8, mf2, ta, ma
+ put_vp8_bilin_v
+endfunc
+
+func ff_put_vp8_bilin4_v_rvv, zve32x
+ vsetivli zero, 4, e8, mf4, ta, ma
+ put_vp8_bilin_v
+endfunc
--
2.43.2