diff --git a/dom/media/mediasink/AudioDecoderInputTrack.cpp b/dom/media/mediasink/AudioDecoderInputTrack.cpp
index 1031d47b0ce1..1ec1c0695978 100644
--- a/dom/media/mediasink/AudioDecoderInputTrack.cpp
+++ b/dom/media/mediasink/AudioDecoderInputTrack.cpp
@@ -353,6 +353,9 @@ void AudioDecoderInputTrack::HandleSPSCData(SPSCData& aData) {
   if (aData.IsClearFutureData()) {
     LOG("Clear future data");
     mBufferedData.Clear();
+    if (mTimeStretcher) {
+      mTimeStretcher->clear();
+    }
     if (!Ended()) {
       LOG("Clear EOS");
       mReceivedEOS = false;
diff --git a/media/libsoundtouch/src/RLBoxSoundTouch.cpp b/media/libsoundtouch/src/RLBoxSoundTouch.cpp
index ac4d5e5f6b48..7a7ccfecc2ab 100644
--- a/media/libsoundtouch/src/RLBoxSoundTouch.cpp
+++ b/media/libsoundtouch/src/RLBoxSoundTouch.cpp
@@ -151,6 +151,10 @@ uint RLBoxSoundTouch::receiveSamples(AudioDataValue* aOutput,
   return numWrittenSamples;
 }
 
+void RLBoxSoundTouch::clear() {
+  return mSandbox.invoke_sandbox_function(Clear, mTimeStretcher);
+}
+
 void RLBoxSoundTouch::flush() {
   return mSandbox.invoke_sandbox_function(Flush, mTimeStretcher);
 }
diff --git a/media/libsoundtouch/src/RLBoxSoundTouch.h b/media/libsoundtouch/src/RLBoxSoundTouch.h
index 4ecf54be1f59..ec9152a25bbd 100644
--- a/media/libsoundtouch/src/RLBoxSoundTouch.h
+++ b/media/libsoundtouch/src/RLBoxSoundTouch.h
@@ -74,6 +74,8 @@ class RLBoxSoundTouch {
   RLBOX_SOUNDTOUCH_API
   uint receiveSamples(mozilla::AudioDataValue* aOutput, uint aMaxSamples);
   RLBOX_SOUNDTOUCH_API
+  void clear();
+  RLBOX_SOUNDTOUCH_API
   void flush();
 
   RLBOX_SOUNDTOUCH_API
diff --git a/media/libsoundtouch/src/RLBoxSoundTouchFactory.cpp b/media/libsoundtouch/src/RLBoxSoundTouchFactory.cpp
index 2e3d559641e7..3ebaff9c281a 100644
--- a/media/libsoundtouch/src/RLBoxSoundTouchFactory.cpp
+++ b/media/libsoundtouch/src/RLBoxSoundTouchFactory.cpp
@@ -56,5 +56,7 @@ uint ReceiveSamples(SoundTouch* mTimeStretcher, SAMPLETYPE* output,
   return mTimeStretcher->receiveSamples(output, maxSamples);
 }
 
+void Clear(SoundTouch* mTimeStretcher) { mTimeStretcher->clear(); }
+
 void Flush(SoundTouch* mTimeStretcher) { return mTimeStretcher->flush(); }
 }
diff --git a/media/libsoundtouch/src/RLBoxSoundTouchFactory.h b/media/libsoundtouch/src/RLBoxSoundTouchFactory.h
index fe1332e01fa4..a98c45197153 100644
--- a/media/libsoundtouch/src/RLBoxSoundTouchFactory.h
+++ b/media/libsoundtouch/src/RLBoxSoundTouchFactory.h
@@ -22,5 +22,6 @@ void PutSamples(soundtouch::SoundTouch* mTimeStretcher,
                 const soundtouch::SAMPLETYPE* samples, uint numSamples);
 uint ReceiveSamples(soundtouch::SoundTouch* mTimeStretcher,
                     soundtouch::SAMPLETYPE* output, uint maxSamples);
+void Clear(soundtouch::SoundTouch* mTimeStretcher);
 void Flush(soundtouch::SoundTouch* mTimeStretcher);
 }