[FFmpeg-devel] [PATCH 1/5] lavc/vvc_mc: R-V V put_pixels

uk7b at foxmail.com uk7b at foxmail.com
Fri Oct 11 13:38:42 EEST 2024


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

                                                      k230               banana_f3
put_chroma_pixels_8_4x4_c:                              61.5 ( 1.00x)    69.5 ( 1.00x)
put_chroma_pixels_8_4x4_rvv_i32:                        33.8 ( 1.82x)    38.2 ( 1.82x)
put_chroma_pixels_8_8x8_c:                             219.1 ( 1.00x)    246.5 ( 1.00x)
put_chroma_pixels_8_8x8_rvv_i32:                        70.8 ( 3.09x)    59.2 ( 4.16x)
put_chroma_pixels_8_16x16_c:                           830.3 ( 1.00x)    830.0 ( 1.00x)
put_chroma_pixels_8_16x16_rvv_i32:                     181.8 ( 4.57x)    142.5 ( 5.82x)
put_chroma_pixels_8_32x32_c:                          3246.8 ( 1.00x)    3247.0 ( 1.00x)
put_chroma_pixels_8_32x32_rvv_i32:                     506.1 ( 6.42x)    330.0 ( 9.84x)
put_chroma_pixels_8_64x64_c:                         13616.8 ( 1.00x)    12967.0 ( 1.00x)
put_chroma_pixels_8_64x64_rvv_i32:                    1672.5 ( 8.14x)    996.8 (13.01x)
put_chroma_pixels_8_128x128_c:                       54263.6 ( 1.00x)    52002.2 ( 1.00x)
put_chroma_pixels_8_128x128_rvv_i32:                  9181.8 ( 5.91x)    3611.8 (14.40x)
put_luma_pixels_8_4x4_c:                                61.5 ( 1.00x)    69.8 ( 1.00x)
put_luma_pixels_8_4x4_rvv_i32:                          33.8 ( 1.82x)    28.0 ( 2.49x)
put_luma_pixels_8_8x8_c:                               219.1 ( 1.00x)    226.0 ( 1.00x)
put_luma_pixels_8_8x8_rvv_i32:                          80.3 ( 2.73x)    59.2 ( 3.81x)
put_luma_pixels_8_16x16_c:                             830.3 ( 1.00x)    830.2 ( 1.00x)
put_luma_pixels_8_16x16_rvv_i32:                       181.8 ( 4.57x)    142.5 ( 5.83x)
put_luma_pixels_8_32x32_c:                            3256.1 ( 1.00x)    3247.2 ( 1.00x)
put_luma_pixels_8_32x32_rvv_i32:                       506.1 ( 6.43x)    361.2 ( 8.99x)
put_luma_pixels_8_64x64_c:                           14042.5 ( 1.00x)    12977.2 ( 1.00x)
put_luma_pixels_8_64x64_rvv_i32:                      1681.8 ( 8.35x)    1007.0 (12.89x)
put_luma_pixels_8_128x128_c:                         54291.3 ( 1.00x)    53700.5 ( 1.00x)
put_luma_pixels_8_128x128_rvv_i32:                   10700.0 ( 5.07x)    3684.8 (14.57x)
---
 libavcodec/riscv/vvc/vvc_mc_rvv.S  | 61 ++++++++++++++++++++++++++----
 libavcodec/riscv/vvc/vvcdsp_init.c | 22 +++++++++++
 2 files changed, 76 insertions(+), 7 deletions(-)

diff --git a/libavcodec/riscv/vvc/vvc_mc_rvv.S b/libavcodec/riscv/vvc/vvc_mc_rvv.S
index 2c634af48f..7300889430 100644
--- a/libavcodec/riscv/vvc/vvc_mc_rvv.S
+++ b/libavcodec/riscv/vvc/vvc_mc_rvv.S
@@ -158,7 +158,7 @@
 .endm
 
 
-.macro AVG_JMP_TABLE id, vlen
+.macro POW2_JMP_TABLE id, vlen
 const jmp_table_\id\vlen
         .4byte \id\()2\vlen\()f - jmp_table_\id\vlen
         .4byte \id\()4\vlen\()f - jmp_table_\id\vlen
@@ -170,8 +170,8 @@ const jmp_table_\id\vlen
 endconst
 .endm
 
-.macro AVG_J vlen, id
-        clz               t1, a4
+.macro POW2_J vlen, id, w
+        clz               t1, \w
         neg               t1, t1
         lla               t5, jmp_table_\id\vlen
         sh2add            t1, t1, t5
@@ -183,9 +183,9 @@ endconst
 .macro func_avg vlen
 func ff_vvc_avg_8_rvv_\vlen\(), zve32x, zbb, zba
         lpad    0
-        AVG_JMP_TABLE     1, \vlen
+        POW2_JMP_TABLE    1, \vlen
         csrwi             vxrm, 0
-        AVG_J             \vlen, 1
+        POW2_J            \vlen, 1, a4
         .irp w,2,4,8,16,32,64,128
         avg               \w, \vlen, 1
         .endr
@@ -265,7 +265,7 @@ func_avg 256
 .macro func_w_avg vlen
 func ff_vvc_w_avg_8_rvv_\vlen\(), zve32x, zbb, zba
         lpad    0
-        AVG_JMP_TABLE     2, \vlen
+        POW2_JMP_TABLE    2, \vlen
         csrwi             vxrm, 0
         addi              t6, a6, 7
         ld                t3, (sp)
@@ -275,7 +275,7 @@ func ff_vvc_w_avg_8_rvv_\vlen\(), zve32x, zbb, zba
         add               t4, t4, t5
         addi              t5, t6, -1      // shift - 1
         sll               t4, t4, t5
-        AVG_J             \vlen, 2
+        POW2_J            \vlen, 2, a4
         .irp w,2,4,8,16,32,64,128
         w_avg             \w, \vlen, 2
         .endr
@@ -405,3 +405,50 @@ func_dmvr \vlen, dmvr_h
 func_dmvr \vlen, dmvr_v
 func_dmvr \vlen, dmvr_hv
 .endr
+
+.macro put_pixels w, vlen, id
+\id\w\vlen:
+        vsetvlstatic16    \w, \vlen
+.if \w == 128 && \vlen == 128
+1:
+        addi              t0, a1, 64
+        addi              t1, a0, 64*2
+        vle8.v            v0, (a1)
+        vle8.v            v16, (t0)
+        vzext.vf2         v8, v0
+        vzext.vf2         v24, v16
+        vsll.vi           v8, v8, 6
+        vsll.vi           v24, v24, 6
+        vse16.v           v8, (a0)
+        vse16.v           v24, (t1)
+        add               a1, a1, a2
+        addi              a3, a3, -1
+        addi              a0, a0, 128*2
+        bnez              a3, 1b
+.else
+1:
+        vle8.v            v0, (a1)
+        vzext.vf2         v8, v0
+        vsll.vi           v8, v8, 6
+        vse16.v           v8, (a0)
+        add               a1, a1, a2
+        addi              a3, a3, -1
+        addi              a0, a0, 128*2
+        bnez              a3, 1b
+.endif
+        ret
+.endm
+
+.macro func_put_pixels vlen
+func ff_vvc_put_pixels_8_rvv_\vlen\(), zve32x, zbb, zba
+        lpad    0
+        POW2_JMP_TABLE    3, \vlen
+        POW2_J            \vlen, 3, a6
+        .irp w,2,4,8,16,32,64,128
+        put_pixels        \w, \vlen, 3
+        .endr
+endfunc
+.endm
+
+func_put_pixels 256
+func_put_pixels 128
diff --git a/libavcodec/riscv/vvc/vvcdsp_init.c b/libavcodec/riscv/vvc/vvcdsp_init.c
index 7df3ce58db..18e7a455f2 100644
--- a/libavcodec/riscv/vvc/vvcdsp_init.c
+++ b/libavcodec/riscv/vvc/vvcdsp_init.c
@@ -24,6 +24,7 @@
 #include "libavutil/cpu.h"
 #include "libavutil/riscv/cpu.h"
 #include "libavcodec/vvc/dsp.h"
+#include "libavcodec/vvc/dec.h"
 
 #define bf(fn, bd,  opt) fn##_##bd##_##opt
 
@@ -57,6 +58,23 @@ DMVR_PROTOTYPES(8, rvv_256)
     c->inter.dmvr[1][1]   = ff_vvc_dmvr_hv_##bd##_##opt;           \
 } while (0)
 
+#define PUT_PIXELS_PROTOTYPES2(bd, opt)                                          \
+void bf(ff_vvc_put_pixels, bd, opt)(int16_t *dst,                                \
+    const uint8_t *_src, const ptrdiff_t _src_stride,                            \
+    const int height, const int8_t *hf, const int8_t *vf, const int width);
+
+PUT_PIXELS_PROTOTYPES2(8, rvv_128)
+PUT_PIXELS_PROTOTYPES2(8, rvv_256)
+
+#define PEL_FUNC(dst, C, idx1, idx2, a)                                           \
+    do {                                                                          \
+        for (int w = 1; w < 7; w++)                                               \
+            c->inter.dst[C][w][idx1][idx2] = a;                                   \
+    } while (0)                                                                   \
+
+#define FUNCS(C, opt)                                                             \
+        PEL_FUNC(put, C, 0, 0, ff_vvc_put_pixels_8_##opt);                        \
+
 void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
 {
 #if HAVE_RVV
@@ -72,6 +90,8 @@ void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
                 c->inter.w_avg    = ff_vvc_w_avg_8_rvv_256;
 # endif
                 DMVR_INIT(8, rvv_256);
+                FUNCS(LUMA, rvv_256);
+                FUNCS(CHROMA, rvv_256);
                 break;
             default:
                 break;
@@ -85,6 +105,8 @@ void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
                 c->inter.w_avg    = ff_vvc_w_avg_8_rvv_128;
 # endif
                 DMVR_INIT(8, rvv_128);
+                FUNCS(LUMA, rvv_128);
+                FUNCS(CHROMA, rvv_128);
                 break;
             default:
                 break;
-- 
2.47.0



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