Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / content / browser / renderer_host / media / audio_input_renderer_host.h

diff --git a/src/content/browser/renderer_host/media/audio_input_renderer_host.h b/src/content/browser/renderer_host/media/audio_input_renderer_host.h
index 7587b14..50130b8 100644 (file)
--- a/src/content/browser/renderer_host/media/audio_input_renderer_host.h
+++ b/src/content/browser/renderer_host/media/audio_input_renderer_host.h
@@ -56,6 +56,49 @@ class CONTENT_EXPORT AudioInputRendererHost
     : public BrowserMessageFilter,
       public media::AudioInputController::EventHandler {
  public:
+
+  // Error codes to make native loggin more clear. These error codes are added
+  // to generic error strings to provide a higher degree of details.
+  // Changing these values can lead to problems when matching native debug
+  // logs with the actual cause of error.
+  enum ErrorCode {
+    // An unspecified error occured.
+    UNKNOWN_ERROR = 0,
+
+    // Failed to look up audio intry for the provided stream id.
+    INVALID_AUDIO_ENTRY,  // = 1
+
+    // A stream with the specified stream id already exists.
+    STREAM_ALREADY_EXISTS,  // = 2
+
+    // The page does not have permission to open the specified capture device.
+    PERMISSION_DENIED,  // = 3
+
+    // Failed to create shared memory.
+    SHARED_MEMORY_CREATE_FAILED,  // = 4
+
+    // Failed to initialize the AudioInputSyncWriter instance.
+    SYNC_WRITER_INIT_FAILED,  // = 5
+
+    // Failed to create native audio input stream.
+    STREAM_CREATE_ERROR,  // = 6
+
+    // Renderer process handle is invalid.
+    INVALID_PEER_HANDLE,  // = 7
+
+    // Only low-latency mode is supported.
+    INVALID_LATENCY_MODE,  // = 8
+
+    // Failed to map and share the shared memory.
+    MEMORY_SHARING_FAILED,  // = 9
+
+    // Unable to prepare the foreign socket handle.
+    SYNC_SOCKET_ERROR,  // = 10
+
+    // This error message comes from the AudioInputController instance.
+    AUDIO_INPUT_CONTROLLER_ERROR,  // = 11
+  };
+
   // Called from UI thread from the owner of this object.
   // |user_input_monitor| is used for typing detection and can be NULL.
   AudioInputRendererHost(media::AudioManager* audio_manager,
@@ -66,16 +109,17 @@ class CONTENT_EXPORT AudioInputRendererHost
   // BrowserMessageFilter implementation.
   virtual void OnChannelClosing() OVERRIDE;
   virtual void OnDestruct() const OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // AudioInputController::EventHandler implementation.
   virtual void OnCreated(media::AudioInputController* controller) OVERRIDE;
   virtual void OnRecording(media::AudioInputController* controller) OVERRIDE;
-  virtual void OnError(media::AudioInputController* controller) OVERRIDE;
+  virtual void OnError(media::AudioInputController* controller,
+      media::AudioInputController::ErrorCode error_code) OVERRIDE;
   virtual void OnData(media::AudioInputController* controller,
-                      const uint8* data,
-                      uint32 size) OVERRIDE;
+                      const media::AudioBus* data) OVERRIDE;
+  virtual void OnLog(media::AudioInputController* controller,
+                     const std::string& message) OVERRIDE;
 
  private:
   // TODO(henrika): extend test suite (compare AudioRenderHost)
@@ -92,12 +136,20 @@ class CONTENT_EXPORT AudioInputRendererHost
 
   // Audio related IPC message handlers.
 
+  // For ChromeOS: Checks if the stream should contain keyboard mic, if so
+  // registers to AudioInputDeviceManager. Then calls DoCreateStream.
+  // For non-ChromeOS: Just calls DoCreateStream.
+  void OnCreateStream(int stream_id,
+                      int render_view_id,
+                      int session_id,
+                      const AudioInputHostMsg_CreateStream_Config& config);
+
   // Creates an audio input stream with the specified format whose data is
   // consumed by an entity in the render view referenced by |render_view_id|.
   // |session_id| is used to find out which device to be used for the stream.
   // Upon success/failure, the peer is notified via the
   // NotifyStreamCreated message.
-  void OnCreateStream(int stream_id,
+  void DoCreateStream(int stream_id,
                       int render_view_id,
                       int session_id,
                       const AudioInputHostMsg_CreateStream_Config& config);
@@ -120,10 +172,15 @@ class CONTENT_EXPORT AudioInputRendererHost
   void DoSendRecordingMessage(media::AudioInputController* controller);
 
   // Handle error coming from audio stream.
-  void DoHandleError(media::AudioInputController* controller);
+  void DoHandleError(media::AudioInputController* controller,
+      media::AudioInputController::ErrorCode error_code);
+
+  // Log audio level of captured audio stream.
+  void DoLog(media::AudioInputController* controller,
+             const std::string& message);
 
   // Send an error message to the renderer.
-  void SendErrorMessage(int stream_id);
+  void SendErrorMessage(int stream_id, ErrorCode error_code);
 
   // Delete all audio entry and all audio streams
   void DeleteEntries();
@@ -136,7 +193,7 @@ class CONTENT_EXPORT AudioInputRendererHost
   void DeleteEntry(AudioEntry* entry);
 
   // Delete audio entry and close the related audio input stream.
-  void DeleteEntryOnError(AudioEntry* entry);
+  void DeleteEntryOnError(AudioEntry* entry, ErrorCode error_code);
 
   // A helper method to look up a AudioEntry identified by |stream_id|.
   // Returns NULL if not found.
@@ -147,6 +204,11 @@ class CONTENT_EXPORT AudioInputRendererHost
   // event is received.
   AudioEntry* LookupByController(media::AudioInputController* controller);
 
+  // If ChromeOS and |config|'s layout has keyboard mic, unregister in
+  // AudioInputDeviceManager.
+  void MaybeUnregisterKeyboardMicStream(
+      const AudioInputHostMsg_CreateStream_Config& config);
+
   // Used to create an AudioInputController.
   media::AudioManager* audio_manager_;