From d5bc4ee79864404423ddf2786d8e8089fc46eeca Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 18 Nov 2013 14:18:37 +0100
Subject: audio: drop buffered filter data when seeking

This could lead to (barely) audible artifacts with --af=scaletempo and
modified playback speed.
---
 audio/filter/af_scaletempo.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'audio/filter/af_scaletempo.c')

diff --git a/audio/filter/af_scaletempo.c b/audio/filter/af_scaletempo.c
index 9ec7b6b89b..f7e58f0923 100644
--- a/audio/filter/af_scaletempo.c
+++ b/audio/filter/af_scaletempo.c
@@ -428,6 +428,11 @@ static int control(struct af_instance *af, int cmd, void *arg)
         }
         return AF_OK;
     }
+    case AF_CONTROL_RESET:
+        s->bytes_queued = 0;
+        s->bytes_to_slide = 0;
+        s->frames_stride_error = 0;
+        memset(s->buf_overlap, 0, s->bytes_overlap);
     }
     return AF_UNKNOWN;
 }
-- 
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