avfilter/afir_template: skip wet gain if its 1

2 years ago · a73f4ca49b
parent 91abbb9d02
commit a73f4ca49b
1 changed files with 3 additions and 0 deletions
--- a/libavfilter/afir_template.c
+++ b/libavfilter/afir_template.c
@ -338,6 +338,9 @@ static int fn(fir_quantum)(AVFilterContext *ctx, AVFrame *out, int ch, int offse
        fn(fir_fadd)(s, ptr, dst, nb_samples);
    }

+    if (s->wet_gain == 1.f)
+        return 0;
+
    if (min_part_size >= 8) {
 #if DEPTH == 32
        s->fdsp->vector_fmul_scalar(ptr, ptr, s->wet_gain, FFALIGN(nb_samples, 4));