[FFmpeg-devel] [PATCH 2/2] lavc/utvideodsp: R-V V restore_rgb_planes10

[Rémi Denis-Courmont]

restore_rgb_planes10_c:      185852.2
restore_rgb_planes10_rvv_i32: 90130.5
---
 libavcodec/riscv/utvideodsp_init.c |  9 +++++++-
 libavcodec/riscv/utvideodsp_rvv.S  | 35 ++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/libavcodec/riscv/utvideodsp_init.c b/libavcodec/riscv/utvideodsp_init.c
index dfaa16692a..f5038c4736 100644
--- a/libavcodec/riscv/utvideodsp_init.c
+++ b/libavcodec/riscv/utvideodsp_init.c
@@ -26,13 +26,20 @@
 void ff_restore_rgb_planes_rvv(uint8_t *r, uint8_t *g, uint8_t *b,
                                ptrdiff_t linesize_r, ptrdiff_t linesize_g,
                                ptrdiff_t linesize_b, int width, int height);
+void ff_restore_rgb_planes10_rvv(uint16_t *r, uint16_t *g, uint16_t *b,
+                                 ptrdiff_t linesize_r, ptrdiff_t linesize_g,
+                                 ptrdiff_t linesize_b, int width, int height);
 
 av_cold void ff_utvideodsp_init_riscv(UTVideoDSPContext *c)
 {
 #if HAVE_RVV
     int flags = av_get_cpu_flags();
 
-    if (flags & AV_CPU_FLAG_RVV_I32)
+    if (flags & AV_CPU_FLAG_RVV_I32) {
         c->restore_rgb_planes = ff_restore_rgb_planes_rvv;
+
+        if (flags & AV_CPU_FLAG_RVB_ADDR)
+            c->restore_rgb_planes10 = ff_restore_rgb_planes10_rvv;
+   }
 #endif
 }
diff --git a/libavcodec/riscv/utvideodsp_rvv.S b/libavcodec/riscv/utvideodsp_rvv.S
index 673e3442ce..fa70d0eb34 100644
--- a/libavcodec/riscv/utvideodsp_rvv.S
+++ b/libavcodec/riscv/utvideodsp_rvv.S
@@ -51,3 +51,38 @@ func ff_restore_rgb_planes_rvv, zve32x
 
         ret
 endfunc
+
+func ff_restore_rgb_planes10_rvv, zve32x
+        li      t1, -0x200
+        li      t2, 0x3FF
+        sub     a3, a3, a6
+        sub     a4, a4, a6
+        sub     a5, a5, a6
+1:
+        mv      t6, a6
+        addi    a7, a7, -1
+2:
+        vsetvli t0, t6, e16, m8, ta, ma
+        vle16.v v16, (a1)
+        sub     t6, t6, t0
+        vle16.v v8, (a0)
+        vadd.vx v16, v16, t1
+        sh1add  a1, t0, a1
+        vle16.v v24, (a2)
+        vadd.vv v8, v8, v16
+        vadd.vv v24, v24, v16
+        vand.vx v8, v8, t2
+        vand.vx v24, v24, t2
+        vse16.v v8, (a0)
+        sh1add  a0, t0, a0
+        vse16.v v24, (a2)
+        sh1add  a2, t0, a2
+        bnez    t6, 2b
+
+        sh1add  a0, a3, a0
+        sh1add  a1, a4, a1
+        sh1add  a2, a5, a2
+        bnez    a7, 1b
+
+        ret
+endfunc
-- 
2.42.0