Microphone support for Pepper Flash.

webkit/plugins/ppapi/plugin_delegate.h

Index: webkit/plugins/ppapi/plugin_delegate.h
diff --git a/webkit/plugins/ppapi/plugin_delegate.h b/webkit/plugins/ppapi/plugin_delegate.h
index a5323d0c3e7a692227cd8965e98ae87877c88a43..aa287e13bd66160ed6bc388c76ae092c29fdfb25 100644
--- a/webkit/plugins/ppapi/plugin_delegate.h
+++ b/webkit/plugins/ppapi/plugin_delegate.h
@@ -187,19 +187,21 @@ class PluginDelegate {
     virtual bool Echo(const base::Callback<void()>& callback) = 0;
   };
 
-  class PlatformAudio {
-   public:
-    class Client {
-     protected:
-      virtual ~Client() {}
+  // The (interface for the) client used by |PlatformAudio| and
+  // |PlatformAudioInput|.
+  class PlatformAudioCommonClient {
+   protected:
+    virtual ~PlatformAudioCommonClient() {}
 
-     public:
-      // Called when the stream is created.
-      virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
-                                 size_t shared_memory_size,
-                                 base::SyncSocket::Handle socket) = 0;
-    };
+   public:
+    // Called when the stream is created.
+    virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
+                               size_t shared_memory_size,
+                               base::SyncSocket::Handle socket) = 0;
+  };
 
+  class PlatformAudio {
+   public:
     // Starts the playback. Returns false on error or if called before the
     // stream is created or after the stream is closed.
     virtual bool StartPlayback() = 0;
@@ -216,6 +218,24 @@ class PluginDelegate {
     virtual ~PlatformAudio() {}
   };
 
+  class PlatformAudioInput {
+   public:
+    // Starts the playback. Returns false on error or if called before the
+    // stream is created or after the stream is closed.
+    virtual bool StartCapture() = 0;
+
+    // Stops the capture. Returns false on error or if called before the stream
+    // is created or after the stream is closed.
+    virtual bool StopCapture() = 0;
+
+    // Closes the stream. Make sure to call this before the object is
+    // destructed.
+    virtual void ShutDown() = 0;
+
+   protected:
+    virtual ~PlatformAudioInput() {}
+  };
+
   // Interface for PlatformVideoDecoder is directly inherited from general media
   // VideoDecodeAccelerator interface.
   class PlatformVideoDecoder : public media::VideoDecodeAccelerator {
@@ -292,7 +312,13 @@ class PluginDelegate {
   // to clean up the corresponding resources allocated during this call.
   virtual PlatformAudio* CreateAudio(uint32_t sample_rate,
                                      uint32_t sample_count,
-                                     PlatformAudio::Client* client) = 0;
+                                     PlatformAudioCommonClient* client) = 0;
+
+  // The caller is responsible for calling Shutdown() on the returned pointer
+  // to clean up the corresponding resources allocated during this call.
+  virtual PlatformAudioInput* CreateAudioInput(uint32_t sample_rate,

[dmichael (off chromium), 2011/11/17 18:24:04]

nit: I would usually put sample_rate on the next line at the same indentation as
the rest.

+      uint32_t sample_count,
+      PlatformAudioCommonClient* client) = 0;
 
   // A pointer is returned immediately, but it is not ready to be used until
   // BrokerConnected has been called.