Audio output debug recording.

media/audio/audio_manager.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_MANAGER_H_
 #define MEDIA_AUDIO_AUDIO_MANAGER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "media/audio/audio_device_description.h"
+#include "media/audio/audio_file_writer.h"
 #include "media/audio/audio_logging.h"
 #include "media/base/audio_parameters.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace media {
 
 class AudioInputStream;
@@ skipping 213 matching lines @@
   // an empty string. Must be called on the audio worker thread (see
   // GetTaskRunner()).
   virtual std::string GetAssociatedOutputDeviceID(
       const std::string& input_device_id) = 0;
 
   // Create a new AudioLog object for tracking the behavior for one or more
   // instances of the given component.  See AudioLogFactory for more details.
   virtual std::unique_ptr<AudioLog> CreateAudioLog(
       AudioLogFactory::AudioComponent component) = 0;
 
+  // Initializes output debug recording. Can be called on any thread; will post
+  // to the audio thread if not called on it.
+  // TODO(grunell): Control input debug recording via these functions too.
+  virtual void InitializeOutputDebugRecording(
+      AudioFileWriter::CreateCallback create_audio_file_writer_callback) = 0;
+
+  // Enable output debug recording. InitializeOutputDebugRecording() must be
+  // called before this function.
+  virtual void EnableOutputDebugRecording(
+      const base::FilePath& base_file_name) = 0;
+
+  // Disable output debug recording.
+  virtual void DisableOutputDebugRecording() = 0;
+
   // Gets the name of the audio manager (e.g., Windows, Mac, PulseAudio).
   virtual const char* GetName() = 0;
 
   // Limits the number of streams that can be created for testing purposes.
   virtual void SetMaxStreamCountForTesting(int max_input, int max_output);
 
  protected:
   AudioManager(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
                scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner);
   virtual ~AudioManager();
 
  private:
   friend class base::DeleteHelper<AudioManager>;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner_;
   DISALLOW_COPY_AND_ASSIGN(AudioManager);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_MANAGER_H_