Audio output debug recording.

media/audio/audio_io.h

 // Copyright (c) 2012 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_AUDIO_AUDIO_IO_H_
 #define MEDIA_AUDIO_AUDIO_IO_H_
 
 #include <stdint.h>
 
+#include "base/files/file_path.h"
 #include "base/time/time.h"
 #include "media/base/audio_bus.h"
 
 // Low-level audio output support. To make sound there are 3 objects involved:
 // - AudioSource : produces audio samples on a pull model. Implements
 //   the AudioSourceCallback interface.
 // - AudioOutputStream : uses the AudioSource to render audio on a given
 //   channel, format and sample frequency configuration. Data from the
 //   AudioSource is delivered in a 'pull' model.
 // - AudioManager : factory for the AudioOutputStream objects, manager
@@ skipping 79 matching lines @@
   // the callback object that was supplied to Start() and it can be safely
   // deleted.
   virtual void Stop() = 0;
 
   // Sets the relative volume, with range [0.0, 1.0] inclusive.
   virtual void SetVolume(double volume) = 0;
 
   // Gets the relative volume, with range [0.0, 1.0] inclusive.
   virtual void GetVolume(double* volume) = 0;
 
+  // Enable debug recording. A file type extension is added to |file_name|.
+  virtual void EnableDebugRecording(const base::FilePath& file_name) = 0;
+
+  // Disable debug recording.
+  virtual void DisableDebugRecording() = 0;
+
   // Close the stream. This also generates AudioSourceCallback::OnClose().
   // After calling this method, the object should not be used anymore.
   virtual void Close() = 0;
 };
 
 // Models an audio sink receiving recorded audio from the audio driver.
 class MEDIA_EXPORT AudioInputStream {
  public:
   class MEDIA_EXPORT AudioInputCallback {
    public:
@@ skipping 58 matching lines @@
   // Returns the Automatic Gain Control (AGC) state.
   virtual bool GetAutomaticGainControl() = 0;
 
   // Returns the current muting state for the microphone.
   virtual bool IsMuted() = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_IO_H_