1 files changed, 46 insertions, 0 deletions
diff --git a/dom/media/webspeech/recognition/SpeechStreamListener.h b/dom/media/webspeech/recognition/SpeechStreamListener.h
new file mode 100644
index 000000000..92699a2d0
--- /dev/null
+++ b/dom/media/webspeech/recognition/SpeechStreamListener.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SpeechStreamListener_h
+#define mozilla_dom_SpeechStreamListener_h
+
+#include "MediaStreamGraph.h"
+#include "MediaStreamListener.h"
+#include "AudioSegment.h"
+
+namespace mozilla {
+
+class AudioSegment;
+
+namespace dom {
+
+class SpeechRecognition;
+
+class SpeechStreamListener : public MediaStreamListener
+{
+public:
+  explicit SpeechStreamListener(SpeechRecognition* aRecognition);
+  ~SpeechStreamListener();
+
+  void NotifyQueuedAudioData(MediaStreamGraph* aGraph, TrackID aID,
+                             StreamTime aTrackOffset,
+                             const AudioSegment& aQueuedMedia,
+                             MediaStream* aInputStream,
+                             TrackID aInputTrackID) override;
+
+  void NotifyEvent(MediaStreamGraph* aGraph,
+                   MediaStreamGraphEvent event) override;
+
+private:
+  template<typename SampleFormatType>
+  void ConvertAndDispatchAudioChunk(int aDuration, float aVolume, SampleFormatType* aData, TrackRate aTrackRate);
+  RefPtr<SpeechRecognition> mRecognition;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif