From c68ed40661f8077557748b6a00fa40d10bd19f74 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 2 Jan 2018 19:07:45 +0100
Subject: [PATCH] pcm/SoxrResampler: implement method Reset()

---
 NEWS                      | 2 ++
 src/pcm/SoxrResampler.cxx | 8 ++++++++
 src/pcm/SoxrResampler.hxx | 1 +
 3 files changed, 11 insertions(+)

diff --git a/NEWS b/NEWS
index 7107eeb31..3788d63a5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
 ver 0.20.15 (not yet released)
+* resampler
+  - soxr: clear internal state after manual song change
 * state file
   - make mount point restore errors non-fatal
   - fix crash when restoring mounts with incompatible database plugin
diff --git a/src/pcm/SoxrResampler.cxx b/src/pcm/SoxrResampler.cxx
index 621d3f970..868ad59fd 100644
--- a/src/pcm/SoxrResampler.cxx
+++ b/src/pcm/SoxrResampler.cxx
@@ -139,6 +139,14 @@ SoxrPcmResampler::Close()
 	soxr_delete(soxr);
 }
 
+void
+SoxrPcmResampler::Reset()
+{
+#if SOXR_THIS_VERSION >= SOXR_VERSION(0,1,2)
+	soxr_clear(soxr);
+#endif
+}
+
 ConstBuffer<void>
 SoxrPcmResampler::Resample(ConstBuffer<void> src)
 {
diff --git a/src/pcm/SoxrResampler.hxx b/src/pcm/SoxrResampler.hxx
index 0be861179..9f3114a47 100644
--- a/src/pcm/SoxrResampler.hxx
+++ b/src/pcm/SoxrResampler.hxx
@@ -41,6 +41,7 @@ class SoxrPcmResampler final : public PcmResampler {
 public:
 	AudioFormat Open(AudioFormat &af, unsigned new_sample_rate) override;
 	void Close() override;
+	void Reset() override;
 	ConstBuffer<void> Resample(ConstBuffer<void> src) override;
 };