Binding media stream audio track to speech recognition [browser]

content/browser/speech/speech_recognition_manager_impl.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 CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
+#include "base/sync_socket.h"
 #include "content/browser/renderer_host/media/media_stream_requester.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/browser/speech_recognition_manager.h"
 #include "content/public/browser/speech_recognition_session_config.h"
 #include "content/public/browser/speech_recognition_session_context.h"
 #include "content/public/common/speech_recognition_error.h"
 
 namespace media {
 class AudioManager;
+class AudioParameters;
 }
 
 namespace content {
 class BrowserMainLoop;
 class MediaStreamManager;
 class MediaStreamUIProxy;
 class SpeechRecognitionManagerDelegate;
 class SpeechRecognizer;
 
 // This is the manager for speech recognition. It is a single instance in
@@ skipping 50 matching lines @@
   void OnSoundEnd(int session_id) override;
   void OnAudioEnd(int session_id) override;
   void OnRecognitionEnd(int session_id) override;
   void OnRecognitionResults(int session_id,
                             const SpeechRecognitionResults& result) override;
   void OnRecognitionError(int session_id,
                           const SpeechRecognitionError& error) override;
   void OnAudioLevelsChange(int session_id,
                            float volume,
                            float noise_volume) override;
+  void OnAudioReceiverReady(
+      int session_id,
+      const media::AudioParameters& params,
+      const base::SharedMemoryHandle memory,
+      const base::SyncSocket::TransitDescriptor) override;
 
   SpeechRecognitionManagerDelegate* delegate() const { return delegate_.get(); }
 
  protected:
   // BrowserMainLoop is the only one allowed to istantiate and free us.
   friend class BrowserMainLoop;
   // Needed for dtor.
   friend struct base::DefaultDeleter<SpeechRecognitionManagerImpl>;
   SpeechRecognitionManagerImpl(media::AudioManager* audio_manager,
                                MediaStreamManager* media_stream_manager);
@@ skipping 80 matching lines @@
 
   // Used for posting asynchronous tasks (on the IO thread) without worrying
   // about this class being destroyed in the meanwhile (due to browser shutdown)
   // since tasks pending on a destroyed WeakPtr are automatically discarded.
   base::WeakPtrFactory<SpeechRecognitionManagerImpl> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_