diff mbox series

[FFmpeg-devel,2/2] lavc/vvc_mc: R-V V dmvr

Message ID tencent_1C8BC3E65CB0E8C26278AC55DD2C5286D809@qq.com
State New
Headers show
Series None | expand

Commit Message

uk7b@foxmail.com Sept. 27, 2024, 5:09 p.m. UTC
From: sunyuechi <sunyuechi@iscas.ac.cn>

                                     k230               banana_f3
dmvr_8_12x20_c:                       628.5 ( 1.00x)    624.1 ( 1.00x)
dmvr_8_12x20_rvv_i32:                 137.5 ( 4.57x)    92.9 ( 6.72x)
dmvr_8_20x12_c:                       609.7 ( 1.00x)    655.4 ( 1.00x)
dmvr_8_20x12_rvv_i32:                 146.7 ( 4.16x)    82.4 ( 7.95x)
dmvr_8_20x20_c:                       998.7 ( 1.00x)    1092.9 ( 1.00x)
dmvr_8_20x20_rvv_i32:                 221.0 ( 4.52x)    144.9 ( 7.54x)
dmvr_h_8_12x20_c:                    2008.0 ( 1.00x)    1999.2 ( 1.00x)
dmvr_h_8_12x20_rvv_i32:               285.7 ( 7.03x)    207.4 ( 9.64x)
dmvr_h_8_20x12_c:                    1989.5 ( 1.00x)    2009.7 ( 1.00x)
dmvr_h_8_20x12_rvv_i32:               322.7 ( 6.16x)    176.2 (11.41x)
dmvr_h_8_20x20_c:                    3304.2 ( 1.00x)    3342.9 ( 1.00x)
dmvr_h_8_20x20_rvv_i32:               526.5 ( 6.28x)    290.6 (11.50x)
dmvr_hv_8_12x20_c:                   3609.7 ( 1.00x)    3603.4 ( 1.00x)
dmvr_hv_8_12x20_rvv_i32:              554.2 ( 6.51x)    467.9 ( 7.70x)
dmvr_hv_8_20x12_c:                   3637.5 ( 1.00x)    3624.4 ( 1.00x)
dmvr_hv_8_20x12_rvv_i32:              489.5 ( 7.43x)    342.6 (10.58x)
dmvr_hv_8_20x20_c:                   6794.7 ( 1.00x)    5936.9 ( 1.00x)
dmvr_hv_8_20x20_rvv_i32:              785.7 ( 8.65x)    561.4 (10.58x)
dmvr_v_8_12x20_c:                    2156.0 ( 1.00x)    2155.2 ( 1.00x)
dmvr_v_8_12x20_rvv_i32:               295.0 ( 7.31x)    207.4 (10.39x)
dmvr_v_8_20x12_c:                    2137.5 ( 1.00x)    2165.7 ( 1.00x)
dmvr_v_8_20x12_rvv_i32:               322.7 ( 6.62x)    186.7 (11.60x)
dmvr_v_8_20x20_c:                    3554.2 ( 1.00x)    3593.2 ( 1.00x)
dmvr_v_8_20x20_rvv_i32:               535.7 ( 6.63x)    290.6 (12.36x)
---
 libavcodec/riscv/vvc/vvc_mc_rvv.S  | 141 +++++++++++++++++++++++++++++
 libavcodec/riscv/vvc/vvcdsp_init.c |  22 +++++
 2 files changed, 163 insertions(+)
diff mbox series

Patch

diff --git a/libavcodec/riscv/vvc/vvc_mc_rvv.S b/libavcodec/riscv/vvc/vvc_mc_rvv.S
index 18532616d9..a5e20cbc67 100644
--- a/libavcodec/riscv/vvc/vvc_mc_rvv.S
+++ b/libavcodec/riscv/vvc/vvc_mc_rvv.S
@@ -285,3 +285,144 @@  endfunc
 func_w_avg 128
 func_w_avg 256
 #endif
+
+func dmvr zve32x, zbb, zba
+        lpad    0
+        li                t0, 4
+1:
+        add               t1, a1, a2
+        addi              t4, a0, 128*2
+        add               t2, t1, a2
+        addi              t5, a0, 128*2*2
+        add               t3, t2, a2
+        addi              t6, a0, 128*2*3
+        vle8.v            v0, (a1)
+        vle8.v            v4, (t1)
+        vle8.v            v8, (t2)
+        vle8.v            v12, (t3)
+        addi              a3, a3, -4
+        vwmulu.vx         v16, v0, t0
+        vwmulu.vx         v20, v4, t0
+        vwmulu.vx         v24, v8, t0
+        vwmulu.vx         v28, v12, t0
+        vse16.v           v16, (a0)
+        vse16.v           v20, (t4)
+        vse16.v           v24, (t5)
+        vse16.v           v28, (t6)
+        sh2add            a1, a2, a1
+        add               a0, a0, 128*2*4
+        bnez              a3, 1b
+        ret
+endfunc
+
+.macro dmvr_h_v mn, type
+        lla               t4, ff_vvc_inter_luma_dmvr_filters
+        sh1add            t4, \mn, t4
+        lbu               t5, (t4)
+        lbu               t6, 1(t4)
+1:
+.ifc \type,h
+        addi              t0, a1, 1
+        addi              t1, a1, 2
+.else
+        add               t0, a1, a2
+        add               t1, t0, a2
+.endif
+        vle8.v            v0, (a1)
+        vle8.v            v4, (t0)
+        vle8.v            v8, (t1)
+        addi              a3, a3, -2
+        vzext.vf2         v12, v0
+        vzext.vf2         v16, v4
+        vzext.vf2         v20, v8
+        addi              t2, a0, 128*2
+        vmul.vx           v12, v12, t5
+        vmul.vx           v24, v16, t5
+        vmacc.vx          v12, t6, v16
+        vmacc.vx          v24, t6, v20
+        vadd.vi           v12, v12, 2
+        vadd.vi           v24, v24, 2
+        vsra.vi           v12, v12, 2
+        vsra.vi           v24, v24, 2
+        vse16.v           v12, (a0)
+        vse16.v           v24, (t2)
+        add               a0, a0, 128*4
+        sh1add            a1, a2, a1
+        bnez              a3, 1b
+        ret
+.endm
+
+func dmvr_h zve32x, zbb, zba
+        lpad    0
+        dmvr_h_v a4, h
+endfunc
+
+func dmvr_v zve32x, zbb, zba
+        lpad    0
+        dmvr_h_v a5, v
+endfunc
+
+.macro dmvr_load_h dst, filter0, filter1
+        addi            a6, a1, 1
+        vle8.v          \dst, (a1)
+        vle8.v          v2, (a6)
+        vzext.vf2       v4, \dst
+        vzext.vf2       v8, v2
+        vmul.vx         \dst, v4, \filter0
+        vmacc.vx        \dst, \filter1, v8
+        vadd.vi         \dst, \dst, 1 << (2 - 1)
+        vsra.vi         \dst, \dst, 2
+.endm
+
+func dmvr_hv zve32x, zbb, zba
+        lpad    0
+        lla             t0, ff_vvc_inter_luma_dmvr_filters
+        sh1add          t1, a4, t0
+        sh1add          t2, a5, t0
+        lbu             t3, (t1)          // filter[mx][0]
+        lbu             t4, 1(t1)         // filter[mx][1]
+        lbu             t5, (t2)          // filter[my][0]
+        lbu             t6, 1(t2)         // filter[my][1]
+        dmvr_load_h     v12, t3, t4
+        add             a1, a1, a2
+1:
+        vmul.vx         v28, v12, t5
+        addi            a3, a3, -1
+        dmvr_load_h     v12, t3, t4
+        vmacc.vx        v28, t6, v12
+        vadd.vi         v28, v28, 1 << (4 - 1)
+        vsra.vi         v28, v28, 4
+        vse16.v         v28, (a0)
+        add             a1, a1, a2
+        addi            a0, a0, 128*2
+        bnez            a3, 1b
+        ret
+endfunc
+
+.macro func_dmvr vlen, name
+func ff_vvc_\name\()_8_rvv_\vlen\(), zve32x, zbb, zba
+        lpad    0
+        li               t0, 20
+        beq              a6, t0, DMVR20\vlen\name
+        .ifc \name, dmvr
+        vsetvlstatic8    12, \vlen
+        .else
+        vsetvlstatic16   12, \vlen
+        .endif
+        j                \name
+DMVR20\vlen\name:
+        .ifc \name, dmvr
+        vsetvlstatic8    20, \vlen
+        .else
+        vsetvlstatic16   20, \vlen
+        .endif
+        j                \name
+endfunc
+.endm
+
+.irp vlen,256,128
+func_dmvr \vlen, dmvr
+func_dmvr \vlen, dmvr_h
+func_dmvr \vlen, dmvr_v
+func_dmvr \vlen, dmvr_hv
+.endr
diff --git a/libavcodec/riscv/vvc/vvcdsp_init.c b/libavcodec/riscv/vvc/vvcdsp_init.c
index ac1e7dda7d..7df3ce58db 100644
--- a/libavcodec/riscv/vvc/vvcdsp_init.c
+++ b/libavcodec/riscv/vvc/vvcdsp_init.c
@@ -37,6 +37,26 @@  void bf(ff_vvc_w_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride,
 AVG_PROTOTYPES(8, rvv_128)
 AVG_PROTOTYPES(8, rvv_256)
 
+#define DMVR_PROTOTYPES(bd, opt)                                                                    \
+void ff_vvc_dmvr_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride,               \
+     int height, intptr_t mx, intptr_t my, int width);                                              \
+void ff_vvc_dmvr_h_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride,             \
+     int height, intptr_t mx, intptr_t my, int width);                                              \
+void ff_vvc_dmvr_v_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride,             \
+     int height, intptr_t mx, intptr_t my, int width);                                              \
+void ff_vvc_dmvr_hv_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride,            \
+     int height, intptr_t mx, intptr_t my, int width);                                              \
+
+DMVR_PROTOTYPES(8, rvv_128)
+DMVR_PROTOTYPES(8, rvv_256)
+
+#define DMVR_INIT(bd, opt) do {                                    \
+    c->inter.dmvr[0][0]   = ff_vvc_dmvr_##bd##_##opt;              \
+    c->inter.dmvr[0][1]   = ff_vvc_dmvr_h_##bd##_##opt;            \
+    c->inter.dmvr[1][0]   = ff_vvc_dmvr_v_##bd##_##opt;            \
+    c->inter.dmvr[1][1]   = ff_vvc_dmvr_hv_##bd##_##opt;           \
+} while (0)
+
 void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
 {
 #if HAVE_RVV
@@ -51,6 +71,7 @@  void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
 # if (__riscv_xlen == 64)
                 c->inter.w_avg    = ff_vvc_w_avg_8_rvv_256;
 # endif
+                DMVR_INIT(8, rvv_256);
                 break;
             default:
                 break;
@@ -63,6 +84,7 @@  void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
 # if (__riscv_xlen == 64)
                 c->inter.w_avg    = ff_vvc_w_avg_8_rvv_128;
 # endif
+                DMVR_INIT(8, rvv_128);
                 break;
             default:
                 break;