Merge from Chromium at DEPS revision 230120

This commit was generated by merge_to_master.py.

Change-Id: I54bc06b7ee8a07092e74ce3b68c6893508349042

1 files changed, 61 insertions, 0 deletions

diff --git a/media/base/fake_audio_renderer_sink.h b/media/base/fake_audio_renderer_sink.h
new file mode 100644
index 0000000000..b548224e6c
--- /dev/null
+++ b/media/base/fake_audio_renderer_sink.h
@@ -0,0 +1,61 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_
+#define MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_
+
+#include "media/audio/audio_parameters.h"
+#include "media/base/audio_renderer_sink.h"
+
+namespace media {
+
+class FakeAudioRendererSink : public AudioRendererSink {
+ public:
+  enum State {
+    kUninitialized,
+    kInitialized,
+    kStarted,
+    kPaused,
+    kPlaying,
+    kStopped
+  };
+
+  FakeAudioRendererSink();
+
+  virtual void Initialize(const AudioParameters& params,
+                          RenderCallback* callback) OVERRIDE;
+  virtual void Start() OVERRIDE;
+  virtual void Stop() OVERRIDE;
+  virtual void Pause() OVERRIDE;
+  virtual void Play() OVERRIDE;
+  virtual bool SetVolume(double volume) OVERRIDE;
+
+  // Attempts to call Render() on the callback provided to
+  // Initialize() with |dest| and |audio_delay_milliseconds|.
+  // Returns true and sets |frames_written| to the return value of the
+  // Render() call.
+  // Returns false if this object is in a state where calling Render()
+  // should not occur. (i.e., in the kPaused or kStopped state.) The
+  // value of |frames_written| is undefined if false is returned.
+  bool Render(AudioBus* dest, int audio_delay_milliseconds,
+              int* frames_written);
+  void OnRenderError();
+
+  State state() const { return state_; }
+
+ protected:
+  virtual ~FakeAudioRendererSink();
+
+ private:
+  void ChangeState(State new_state);
+
+  State state_;
+  RenderCallback* callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeAudioRendererSink);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_