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authorRĂ©mi Denis-Courmont <remi@remlab.net>2022-09-27 23:04:27 +0300
committerLynne <dev@lynne.ee>2022-09-28 11:46:11 +0200
commitd31013166ac3727ae7c7ebbb756e1e5800bc2b40 (patch)
tree7d21022dff108027c9146f9355a3c58a0e5dd486 /libavcodec
parentebee25855a453de56ff3bd06e666d07b26fa15b2 (diff)
downloadffmpeg-d31013166ac3727ae7c7ebbb756e1e5800bc2b40.tar.gz
lavc/pixblockdsp: RISC-V diff_pixels & diff_pixels_unaligned
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/riscv/pixblockdsp_init.c4
-rw-r--r--libavcodec/riscv/pixblockdsp_rvv.S16
2 files changed, 20 insertions, 0 deletions
diff --git a/libavcodec/riscv/pixblockdsp_init.c b/libavcodec/riscv/pixblockdsp_init.c
index bbda381c12..aa39a8a665 100644
--- a/libavcodec/riscv/pixblockdsp_init.c
+++ b/libavcodec/riscv/pixblockdsp_init.c
@@ -36,6 +36,8 @@ void ff_get_pixels_8_rvv(int16_t *block, const uint8_t *pixels,
ptrdiff_t stride);
void ff_get_pixels_16_rvv(int16_t *block, const uint8_t *pixels,
ptrdiff_t stride);
+void ff_diff_pixels_rvv(int16_t *block, const uint8_t *s1, const uint8_t *s2,
+ ptrdiff_t stride);
av_cold void ff_pixblockdsp_init_riscv(PixblockDSPContext *c,
AVCodecContext *avctx,
@@ -56,6 +58,8 @@ av_cold void ff_pixblockdsp_init_riscv(PixblockDSPContext *c,
c->get_pixels_unaligned = c->get_pixels = ff_get_pixels_16_rvv;
else
c->get_pixels_unaligned = c->get_pixels = ff_get_pixels_8_rvv;
+
+ c->diff_pixels_unaligned = c->diff_pixels = ff_diff_pixels_rvv;
}
#endif
}
diff --git a/libavcodec/riscv/pixblockdsp_rvv.S b/libavcodec/riscv/pixblockdsp_rvv.S
index 3392b4b2eb..c125408523 100644
--- a/libavcodec/riscv/pixblockdsp_rvv.S
+++ b/libavcodec/riscv/pixblockdsp_rvv.S
@@ -42,3 +42,19 @@ func ff_get_pixels_16_rvv, zve32x
vsseg8e16.v v0, (a0)
ret
endfunc
+
+func ff_diff_pixels_rvv, zve32x
+ vsetivli zero, 8, e8, mf2, ta, ma
+ vlsseg8e8.v v16, (a1), a3
+ vlsseg8e8.v v24, (a2), a3
+ vwsubu.vv v8, v16, v24
+ vwsubu.vv v9, v17, v25
+ vwsubu.vv v10, v18, v26
+ vwsubu.vv v11, v19, v27
+ vwsubu.vv v12, v20, v28
+ vwsubu.vv v13, v21, v29
+ vwsubu.vv v14, v22, v30
+ vwsubu.vv v15, v23, v31
+ vsseg8e16.v v8, (a0)
+ ret
+endfunc