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lavc/lpc: fix off-by-one in R-V V compute_autocorr

This commit is contained in:
Rémi Denis-Courmont 2024-05-27 18:43:36 +03:00
parent 9fd88bd092
commit af20fb9c4e
2 changed files with 2 additions and 1 deletions
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2
libavcodec/riscv/lpc_init.c
View File

@ -36,7 +36,7 @@ av_cold void ff_lpc_init_riscv(LPCContext *c)
if ((flags & AV_CPU_FLAG_RVV_F64) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
c->lpc_apply_welch_window = ff_lpc_apply_welch_window_rvv;
if (ff_get_rv_vlenb() >= c->max_order)
if (ff_get_rv_vlenb() > c->max_order)
c->lpc_compute_autocorr = ff_lpc_compute_autocorr_rvv;
}
#endif

1
libavcodec/riscv/lpc_rvv.S
View File

@ -87,6 +87,7 @@ func ff_lpc_apply_welch_window_rvv, zve64d
endfunc
func ff_lpc_compute_autocorr_rvv, zve64d
addi a2, a2, 1
li t0, 1
vsetvli zero, a2, e64, m8, ta, ma
fcvt.d.l ft0, t0