From 5d7d3c6c0fdf81ad21c9e71bffd1f44ee6959454 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@splat.cc>
Date: Fri, 3 May 2024 22:35:21 -0400
Subject: [PATCH] pbutils: fix visualization plugins

inbuf is persistent, GST_BUFFER_COPY_MEMORY's append behavior is
not what we want.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6800>
---
 .../gst-plugins-base/gst-libs/gst/pbutils/gstaudiovisualizer.c   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/pbutils/gstaudiovisualizer.c b/subprojects/gst-plugins-base/gst-libs/gst/pbutils/gstaudiovisualizer.c
index 180071bbb1..e46af8506d 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/pbutils/gstaudiovisualizer.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/pbutils/gstaudiovisualizer.c
@@ -1181,6 +1181,7 @@ gst_audio_visualizer_chain (GstPad * pad, GstObject * parent,
       }
     }
 
+    gst_buffer_remove_all_memory (inbuf);
     gst_buffer_copy_into (inbuf, databuf, GST_BUFFER_COPY_MEMORY, 0, sbpf);
     gst_buffer_unref (databuf);