From 3959bcb707f52339bac41acc9aec856cad3aced1 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Wed, 4 Jan 2023 17:55:10 +0100
Subject: [PATCH 3/3] avfilter/af_aresample: if frame parameters change update
 swr context

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavfilter/af_aresample.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavfilter/af_aresample.c b/libavfilter/af_aresample.c
index 7923377c8c..2744388f75 100644
--- a/libavfilter/af_aresample.c
+++ b/libavfilter/af_aresample.c
@@ -209,8 +209,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
     } else {
         outsamplesref->pts  = AV_NOPTS_VALUE;
     }
+again:
     ret = swr_convert_frame(aresample->swr, outsamplesref,
                             (void *)insamplesref);
+    if (ret & (AVERROR_INPUT_CHANGED | AVERROR_OUTPUT_CHANGED)) {
+        swr_close(aresample->swr);
+        goto again;
+    }
+
     if (ret < 0) {
         av_frame_free(&outsamplesref);
         av_frame_free(&insamplesref);
-- 
2.37.2