Reland 15721002: Hook up the device selection to the WebAudio live audio

media/audio/audio_output_controller.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_OUTPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_
 
 #include "base/atomic_ref_count.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
@@ skipping 94 matching lines @@
     virtual bool DataReady() = 0;
   };
 
   // Factory method for creating an AudioOutputController.
   // This also creates and opens an AudioOutputStream on the audio manager
   // thread, and if this is successful, the |event_handler| will receive an
   // OnCreated() call from the same audio manager thread.  |audio_manager| must
   // outlive AudioOutputController.
   static scoped_refptr<AudioOutputController> Create(
       AudioManager* audio_manager, EventHandler* event_handler,
-      const AudioParameters& params, SyncReader* sync_reader);
+      const AudioParameters& params, const std::string& input_device_id,
+      SyncReader* sync_reader);
 
   // Methods to control playback of the stream.
 
   // Starts the playback of this audio output stream.
   void Play();
 
   // Pause this audio output stream.
   void Pause();
 
   // Closes the audio output stream. The state is changed and the resources
@@ skipping 44 matching lines @@
 
   friend class base::RefCountedThreadSafe<AudioOutputController>;
   virtual ~AudioOutputController();
 
  private:
   // We are polling sync reader if data became available.
   static const int kPollNumAttempts;
   static const int kPollPauseInMilliseconds;
 
   AudioOutputController(AudioManager* audio_manager, EventHandler* handler,
-                        const AudioParameters& params, SyncReader* sync_reader);
+                        const AudioParameters& params,
+                        const std::string& input_device_id,
+                        SyncReader* sync_reader);
 
   // The following methods are executed on the audio manager thread.
   void DoCreate(bool is_for_device_change);
   void DoPlay();
   void PollAndStartIfDataReady();
   void DoPause();
   void DoClose();
   void DoSetVolume(double volume);
   void DoReportError();
   void DoStartDiverting(AudioOutputStream* to_stream);
@@ skipping 12 matching lines @@
 
   // Sanity-check that entry/exit to OnMoreIOData() by the hardware audio thread
   // happens only between AudioOutputStream::Start() and Stop().
   void AllowEntryToOnMoreIOData();
   void DisallowEntryToOnMoreIOData();
 
   AudioManager* const audio_manager_;
   const AudioParameters params_;
   EventHandler* const handler_;
 
+  // Used by the unified IO to open the correct input device.
+  std::string input_device_id_;
+
   // Note: It's important to invalidate the weak pointers whenever stream_ is
   // changed.  See comment for weak_this_.
   AudioOutputStream* stream_;
 
   // When non-NULL, audio is being diverted to this stream.
   AudioOutputStream* diverting_to_stream_;
 
   // The current volume of the audio stream.
   double volume_;
 
@@ skipping 27 matching lines @@
   // EventHandler::OnAudbile() to be called whenever a transition to a period of
   // silence or non-silence is detected.
   scoped_ptr<AudioSilenceDetector> silence_detector_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioOutputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_