avfilter/af_biquads: remove not needed code

4 years ago · 42ccef2846
parent f5dcaf2daa
commit 42ccef2846
1 changed files with 1 additions and 3 deletions
--- a/libavfilter/af_biquads.c
+++ b/libavfilter/af_biquads.c
@ -388,16 +388,14 @@ static void biquad_latt_## name (BiquadsContext *s,                           \
        in   = ibuf[i];                                                       \
        t0   = in - k1 * s0;                                                  \
        t1   = t0 * k1 + s0;                                                  \
-        s0   = t1;                                                            \
        out += t1 * v2;                                                       \
                                                                              \
        t0    = t0 - k0 * s1;                                                 \
        t1    = t0 * k0 + s1;                                                 \
        out  += t1 * v1;                                                      \
-        s1    = t1;                                                           \
                                                                              \
        out  += t0 * v0;                                                      \
-        s0    = s1;                                                           \
+        s0    = t1;                                                           \
        s1    = t0;                                                           \
                                                                              \
        out = out * wet + in * dry;                                           \