Binding media stream audio track to speech recognition [browser]

content/browser/speech/speech_recognition_dispatcher_host.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_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/sync_socket.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "net/url_request/url_request_context_getter.h"
 
 struct SpeechRecognitionHostMsg_StartRequest_Params;
 
 namespace content {
 
 class SpeechRecognitionManager;
@@ skipping 21 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& results) 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 socket) override;
 
   // BrowserMessageFilter implementation.
   void OnDestruct() const override;
   bool OnMessageReceived(const IPC::Message& message) override;
   void OverrideThreadForMessage(const IPC::Message& message,
                                 BrowserThread::ID* thread) override;
 
   void OnChannelClosing() override;
 
  private:
@@ skipping 21 matching lines @@
   // about this class being destroyed in the meanwhile (due to browser shutdown)
   // since tasks pending on a destroyed WeakPtr are automatically discarded.
   base::WeakPtrFactory<SpeechRecognitionDispatcherHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_