From: Rémi Denis-Courmont <[email protected]>
---
libavcodec/riscv/idctdsp_init.c | 3 +++
libavcodec/riscv/idctdsp_rvv.S | 21 +++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/libavcodec/riscv/idctdsp_init.c b/libavcodec/riscv/idctdsp_init.c
index 58b8a6c97a..e6e616a555 100644
--- a/libavcodec/riscv/idctdsp_init.c
+++ b/libavcodec/riscv/idctdsp_init.c
@@ -28,6 +28,8 @@
void ff_put_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
ptrdiff_t stride);
+void ff_put_signed_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
+ ptrdiff_t stride);
void ff_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
ptrdiff_t stride);
@@ -39,6 +41,7 @@ av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c,
AVCodecContext *avctx,
if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) {
c->put_pixels_clamped = ff_put_pixels_clamped_rvv;
+ c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_rvv;
c->add_pixels_clamped = ff_add_pixels_clamped_rvv;
}
#endif
diff --git a/libavcodec/riscv/idctdsp_rvv.S b/libavcodec/riscv/idctdsp_rvv.S
index e6cb53bd6f..e0077cc1b4 100644
--- a/libavcodec/riscv/idctdsp_rvv.S
+++ b/libavcodec/riscv/idctdsp_rvv.S
@@ -43,6 +43,27 @@ func ff_put_pixels_clamped_rvv, zve32x
ret
endfunc
+func ff_put_signed_pixels_clamped_rvv, zve32x
+ vsetivli zero, 8, e16, m1, ta, ma
+ vlseg8e16.v v24, (a0)
+
+ li t1, 128
+ vsetivli zero, 8, e8, mf2, ta, ma
+ vnclip.wi v16, v24, 0
+ vnclip.wi v17, v25, 0
+ vnclip.wi v18, v26, 0
+ vnclip.wi v19, v27, 0
+ vnclip.wi v20, v28, 0
+ vnclip.wi v21, v29, 0
+ vnclip.wi v22, v30, 0
+ vnclip.wi v23, v31, 0
+ vsetvli t0, zero, e8, m8, ta, ma
+ vadd.vx v16, v16, t1
+ vsetivli zero, 8, e8, mf2, ta, ma
+ vssseg8e8.v v16, (a1), a2
+ ret
+endfunc
+
func ff_add_pixels_clamped_rvv, zve32x
vsetivli zero, 8, e8, mf2, ta, ma
vlseg8e16.v v24, (a0)
--
2.37.2
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