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authorRĂ©mi Denis-Courmont <remi@remlab.net>2022-09-27 23:04:23 +0300
committerLynne <dev@lynne.ee>2022-09-28 11:46:11 +0200
commitfa983b56560ede2d9e3e3e21c80bbe0352b8794d (patch)
treeec89149dc959d9fed68fcf3c24c74f3298db5d8e
parentb29ee63a1b70263c8e69cd1b66ec9a44bcb8f0c8 (diff)
downloadffmpeg-fa983b56560ede2d9e3e3e21c80bbe0352b8794d.tar.gz
lavc/idctdsp: RISC-V V add_pixels_clamped function
-rw-r--r--libavcodec/riscv/idctdsp_init.c6
-rw-r--r--libavcodec/riscv/idctdsp_rvv.S16
2 files changed, 21 insertions, 1 deletions
diff --git a/libavcodec/riscv/idctdsp_init.c b/libavcodec/riscv/idctdsp_init.c
index 1a6add80da..58b8a6c97a 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_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
+ ptrdiff_t stride);
av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
@@ -35,7 +37,9 @@ av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx,
#if HAVE_RVV
int flags = av_get_cpu_flags();
- if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16)
+ if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) {
c->put_pixels_clamped = ff_put_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 1987c8a8f6..3b504f5866 100644
--- a/libavcodec/riscv/idctdsp_rvv.S
+++ b/libavcodec/riscv/idctdsp_rvv.S
@@ -24,6 +24,7 @@
func ff_put_pixels_clamped_rvv, zve32x
vsetivli zero, 8, e16, m1, ta, ma
vlseg8e16.v v24, (a0)
+1:
/* RVV only has signed-signed and unsigned-unsigned clipping.
* We need two steps for signed-to-unsigned clipping. */
vsetvli t0, zero, e16, m8, ta, ma
@@ -41,3 +42,18 @@ func ff_put_pixels_clamped_rvv, zve32x
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)
+ vlsseg8e8.v v16, (a1), a2
+ vwaddu.wv v24, v24, v16
+ vwaddu.wv v25, v25, v17
+ vwaddu.wv v26, v26, v18
+ vwaddu.wv v27, v27, v19
+ vwaddu.wv v28, v28, v20
+ vwaddu.wv v29, v29, v21
+ vwaddu.wv v30, v30, v22
+ vwaddu.wv v31, v31, v23
+ j 1b
+endfunc