From 9cd56bb94c857d23194628953169d5d2de073ce0 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Thu, 21 Nov 2019 23:23:55 +0100
Subject: [PATCH] avfilter/af_aiir: fix array length when selecting conjugate
 poles

---
 libavfilter/af_aiir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_aiir.c b/libavfilter/af_aiir.c
index ffe2606da6..ac9558b8aa 100644
--- a/libavfilter/af_aiir.c
+++ b/libavfilter/af_aiir.c
@@ -514,7 +514,7 @@ static int decompose_zp2biquads(AVFilterContext *ctx, int channels)
                 }
             }
 
-            for (i = 0; i < iir->nb_ab[1]; i++) {
+            for (i = 0; i < iir->nb_ab[0]; i++) {
                 if (isnan(iir->ab[0][2 * i]) || isnan(iir->ab[0][2 * i + 1]))
                     continue;