[FFmpeg-devel] [PATCH 2/2] lavc/vvc_mc: R-V V dmvr
uk7b at foxmail.com
uk7b at foxmail.com
Fri Sep 27 20:09:30 EEST 2024
From: sunyuechi <sunyuechi at 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 --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;
--
2.46.2
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