1 files changed, 44 insertions, 0 deletions
diff --git a/dom/media/AudioCaptureStream.h b/dom/media/AudioCaptureStream.h
new file mode 100644
index 000000000..61f0dfe1c
--- /dev/null
+++ b/dom/media/AudioCaptureStream.h
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* 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_AUDIOCAPTURESTREAM_H_
+#define MOZILLA_AUDIOCAPTURESTREAM_H_
+
+#include "MediaStreamGraph.h"
+#include "AudioMixer.h"
+#include "StreamTracks.h"
+#include <algorithm>
+
+namespace mozilla
+{
+
+class DOMMediaStream;
+
+/**
+ * See MediaStreamGraph::CreateAudioCaptureStream.
+ */
+class AudioCaptureStream : public ProcessedMediaStream,
+                           public MixerCallbackReceiver
+{
+public:
+  explicit AudioCaptureStream(TrackID aTrackId);
+  virtual ~AudioCaptureStream();
+
+  void Start();
+
+  void ProcessInput(GraphTime aFrom, GraphTime aTo, uint32_t aFlags) override;
+
+protected:
+  void MixerCallback(AudioDataValue* aMixedBuffer, AudioSampleFormat aFormat,
+                     uint32_t aChannels, uint32_t aFrames,
+                     uint32_t aSampleRate) override;
+  AudioMixer mMixer;
+  TrackID mTrackId;
+  bool mStarted;
+  bool mTrackCreated;
+};
+}
+
+#endif /* MOZILLA_AUDIOCAPTURESTREAM_H_ */