[FFmpeg-devel] [PATCH v4 2/4] lavc/vp9dsp: R-V V mc bilin hv

[uk7b@foxmail.com]

From: sunyuechi <sunyuechi@iscas.ac.cn>

                                                     C908   X60
vp9_avg_bilin_4hv_8bpp_c                           :   10.7    9.5
vp9_avg_bilin_4hv_8bpp_rvv_i32                     :    4.0    3.5
vp9_avg_bilin_8hv_8bpp_c                           :   38.5   34.2
vp9_avg_bilin_8hv_8bpp_rvv_i32                     :    7.2    6.5
vp9_avg_bilin_16hv_8bpp_c                          :  147.2  130.5
vp9_avg_bilin_16hv_8bpp_rvv_i32                    :   14.5   12.7
vp9_avg_bilin_32hv_8bpp_c                          :  574.2  509.7
vp9_avg_bilin_32hv_8bpp_rvv_i32                    :   42.5   38.0
vp9_avg_bilin_64hv_8bpp_c                          : 2321.2 2017.7
vp9_avg_bilin_64hv_8bpp_rvv_i32                    :  163.5  131.0
vp9_put_bilin_4hv_8bpp_c                           :   10.0    8.7
vp9_put_bilin_4hv_8bpp_rvv_i32                     :    3.5    3.0
vp9_put_bilin_8hv_8bpp_c                           :   35.2   31.2
vp9_put_bilin_8hv_8bpp_rvv_i32                     :    6.5    5.7
vp9_put_bilin_16hv_8bpp_c                          :  134.0  119.0
vp9_put_bilin_16hv_8bpp_rvv_i32                    :   12.7   11.5
vp9_put_bilin_32hv_8bpp_c                          :  538.5  464.2
vp9_put_bilin_32hv_8bpp_rvv_i32                    :   39.7   35.2
vp9_put_bilin_64hv_8bpp_c                          : 2111.7 1833.2
vp9_put_bilin_64hv_8bpp_rvv_i32                    :  138.5  122.5
---
 libavcodec/riscv/vp9_mc_rvv.S  | 38 +++++++++++++++++++++++++++++++++-
 libavcodec/riscv/vp9dsp_init.c | 10 +++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/libavcodec/riscv/vp9_mc_rvv.S b/libavcodec/riscv/vp9_mc_rvv.S
index fb7377048a..5241562531 100644
--- a/libavcodec/riscv/vp9_mc_rvv.S
+++ b/libavcodec/riscv/vp9_mc_rvv.S
@@ -147,6 +147,40 @@ func ff_\op\()_vp9_bilin_64\type\()_rvv, zve32x
 endfunc
 .endm
 
+.macro bilin_hv op
+func ff_\op\()_vp9_bilin_64hv_rvv, zve32x
+        vsetvlstatic8   64, t0, 64
+.Lbilin_hv\op:
+.ifc \op,avg
+        csrwi           vxrm, 0
+.endif
+        neg             t1, a5
+        neg             t2, a6
+        li              t4, 8
+        bilin_load_h    v24, put, a5
+        add             a2, a2, a3
+1:
+        addi            a4, a4, -1
+        bilin_load_h    v4, put, a5
+        vwmulu.vx       v16, v4, a6
+        vwmaccsu.vx     v16, t2, v24
+        vwadd.wx        v16, v16, t4
+        vnsra.wi        v16, v16, 4
+        vadd.vv         v0, v16, v24
+.ifc \op,avg
+        vle8.v          v16, (a0)
+        vaaddu.vv       v0, v0, v16
+.endif
+        vse8.v          v0, (a0)
+        vmv.v.v         v24, v4
+        add             a2, a2, a3
+        add             a0, a0, a1
+        bnez            a4, 1b
+
+        ret
+endfunc
+.endm
+
 .irp len, 64, 32, 16, 8, 4
         copy_avg \len
 .endr
@@ -155,6 +189,8 @@ bilin_h_v  put, h, a5
 bilin_h_v  avg, h, a5
 bilin_h_v  put, v, a6
 bilin_h_v  avg, v, a6
+bilin_hv   put
+bilin_hv   avg
 
 .macro func_bilin_h_v len, op, type
 func ff_\op\()_vp9_bilin_\len\()\type\()_rvv, zve32x
@@ -165,7 +201,7 @@ endfunc
 
 .irp len, 32, 16, 8, 4
         .irp op, put, avg
-                .irp type, h, v
+                .irp type, h, v, hv
                         func_bilin_h_v \len, \op, \type
                 .endr
         .endr
diff --git a/libavcodec/riscv/vp9dsp_init.c b/libavcodec/riscv/vp9dsp_init.c
index 9606d8545f..b3700dfb08 100644
--- a/libavcodec/riscv/vp9dsp_init.c
+++ b/libavcodec/riscv/vp9dsp_init.c
@@ -83,6 +83,16 @@ static av_cold void vp9dsp_mc_init_riscv(VP9DSPContext *dsp, int bpp)
     dsp->mc[4][FILTER_BILINEAR ][0][1][0] = ff_put_vp9_bilin_4h_rvv;
     dsp->mc[4][FILTER_BILINEAR ][1][0][1] = ff_avg_vp9_bilin_4v_rvv;
     dsp->mc[4][FILTER_BILINEAR ][1][1][0] = ff_avg_vp9_bilin_4h_rvv;
+    dsp->mc[0][FILTER_BILINEAR ][0][1][1] = ff_put_vp9_bilin_64hv_rvv;
+    dsp->mc[0][FILTER_BILINEAR ][1][1][1] = ff_avg_vp9_bilin_64hv_rvv;
+    dsp->mc[1][FILTER_BILINEAR ][0][1][1] = ff_put_vp9_bilin_32hv_rvv;
+    dsp->mc[1][FILTER_BILINEAR ][1][1][1] = ff_avg_vp9_bilin_32hv_rvv;
+    dsp->mc[2][FILTER_BILINEAR ][0][1][1] = ff_put_vp9_bilin_16hv_rvv;
+    dsp->mc[2][FILTER_BILINEAR ][1][1][1] = ff_avg_vp9_bilin_16hv_rvv;
+    dsp->mc[3][FILTER_BILINEAR ][0][1][1] = ff_put_vp9_bilin_8hv_rvv;
+    dsp->mc[3][FILTER_BILINEAR ][1][1][1] = ff_avg_vp9_bilin_8hv_rvv;
+    dsp->mc[4][FILTER_BILINEAR ][0][1][1] = ff_put_vp9_bilin_4hv_rvv;
+    dsp->mc[4][FILTER_BILINEAR ][1][1][1] = ff_avg_vp9_bilin_4hv_rvv;
 
 #undef init_fpel
     }
-- 
2.45.2

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