From: Rémi Denis-Courmont <r...@remlab.net>
---
libavcodec/riscv/aacpsdsp_init.c | 3 +++
libavcodec/riscv/aacpsdsp_rvv.S | 37 ++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
diff --git a/libavcodec/riscv/aacpsdsp_init.c b/libavcodec/riscv/aacpsdsp_init.c
index 76f55502ee..20b1a12741 100644
--- a/libavcodec/riscv/aacpsdsp_init.c
+++ b/libavcodec/riscv/aacpsdsp_init.c
@@ -31,6 +31,8 @@ void ff_ps_hybrid_analysis_rvv(float (*out)[2], float
(*in)[2],
const float (*filter)[8][2], ptrdiff_t, int n);
void ff_ps_hybrid_analysis_ileave_rvv(float (*out)[32][2], float L[2][38][64],
int i, int len);
+void ff_ps_hybrid_synthesis_deint_rvv(float out[2][38][64], float (*in)[32][2],
+ int i, int len);
av_cold void ff_psdsp_init_riscv(PSDSPContext *c)
{
@@ -39,6 +41,7 @@ av_cold void ff_psdsp_init_riscv(PSDSPContext *c)
if (flags & AV_CPU_FLAG_RV_ZVE32X) {
c->hybrid_analysis_ileave = ff_ps_hybrid_analysis_ileave_rvv;
+ c->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_rvv;
if (flags & AV_CPU_FLAG_RV_ZVE32F) {
c->add_squares = ff_ps_add_squares_rvv;
diff --git a/libavcodec/riscv/aacpsdsp_rvv.S b/libavcodec/riscv/aacpsdsp_rvv.S
index 9c7bda1098..1b410ce5d8 100644
--- a/libavcodec/riscv/aacpsdsp_rvv.S
+++ b/libavcodec/riscv/aacpsdsp_rvv.S
@@ -190,3 +190,40 @@ func ff_ps_hybrid_analysis_ileave_rvv, zve32x /* no needs
for zve32f here */
3:
ret
endfunc
+
+func ff_ps_hybrid_synthesis_deint_rvv, zve32x
+ slli t0, a2, 2
+ slli t1, a2, 5 + 1 + 2
+ add a0, a0, t0
+ add a1, a1, t1
+ addi a2, a2, -64
+ li t1, 38 * 64 * 4
+ li t6, 64 * 4
+ add a4, a0, t1
+ beqz a2, 3f
+1:
+ mv t0, a0
+ mv t1, a1
+ mv t3, a3
+ mv t4, a4
+ addi a2, a2, 1
+2:
+ vsetvli t5, t3, e32, m1, ta, ma
+ vlseg2e32.v v16, (t1)
+ sub t3, t3, t5
+ vsse32.v v16, (t0), t6
+ slli t2, t5, 1 + 2
+ vsse32.v v17, (t4), t6
+ add t1, t1, t2
+ mul t2, t5, t6
+ add t0, t0, t2
+ add t4, t4, t2
+ bnez t3, 2b
+
+ add a0, a0, 4
+ add a1, a1, 32 * 2 * 4
+ add a4, a4, 4
+ bnez a2, 1b
+3:
+ ret
+endfunc
--
2.37.2
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