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authorRémi Denis-Courmont <remi@remlab.net>2023-10-01 20:59:50 +0300
committerRémi Denis-Courmont <remi@remlab.net>2023-10-03 22:53:20 +0300
commit19baf4e0099bdb895e6a2a9f36bf1d07a4c4d8a0 (patch)
tree95b0cd8c7f0ed1032b38d1e331bae71916eb140e /libswscale
parentede3215115eddc2f1609662b77db82af575070eb (diff)
downloadffmpeg-19baf4e0099bdb895e6a2a9f36bf1d07a4c4d8a0.tar.gz
swscale/rgb2rgb: R-V V deinterleaveBytes
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/riscv/rgb2rgb_rvv.S26
1 files changed, 26 insertions, 0 deletions
diff --git a/libswscale/riscv/rgb2rgb_rvv.S b/libswscale/riscv/rgb2rgb_rvv.S
index 71e8fac6f3..671089c842 100644
--- a/libswscale/riscv/rgb2rgb_rvv.S
+++ b/libswscale/riscv/rgb2rgb_rvv.S
@@ -100,6 +100,32 @@ func ff_interleave_bytes_rvv, zve32x
ret
endfunc
+func ff_deinterleave_bytes_rvv, zve32x
+1:
+ mv t0, a0
+ mv t1, a1
+ mv t2, a2
+ mv t3, a3
+ addi a4, a4, -1
+2:
+ vsetvli t4, t3, e8, m4, ta, ma
+ sub t3, t3, t4
+ vlseg2e8.v v8, (t0)
+ sh1add t0, t4, t0
+ vse8.v v8, (t1)
+ add t1, t4, t1
+ vse8.v v12, (t2)
+ add t2, t4, t2
+ bnez t3, 2b
+
+ add a0, a0, a5
+ add a1, a1, a6
+ add a2, a2, a7
+ bnez a4, 1b
+
+ ret
+endfunc
+
.macro yuy2_to_i422p y_shift
addi a4, a4, 1
lw t6, (sp)