Work on improving PpbAudioConfig:RecommendSampleFrameCount

webkit/plugins/ppapi/plugin_delegate.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 WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 286 matching lines @@
 
   // The caller will own the pointer returned from this.
   virtual PlatformVideoCapture* CreateVideoCapture(
       media::VideoCapture::EventHandler* handler) = 0;
 
   // The caller will own the pointer returned from this.
   virtual PlatformVideoDecoder* CreateVideoDecoder(
       media::VideoDecodeAccelerator::Client* client,
       int32 command_buffer_route_id) = 0;
 
+  // Get audio hardware output sample rate.
+  virtual uint32_t GetAudioHardwareOutputSampleRate() = 0;
+
+  // Get audio hardware output buffer size.
+  virtual uint32_t GetAudioHardwareOutputBufferSize() = 0;
+
   // The caller is responsible for calling Shutdown() on the returned pointer
   // to clean up the corresponding resources allocated during this call.
   virtual PlatformAudio* CreateAudio(uint32_t sample_rate,
                                      uint32_t sample_count,
                                      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,
       uint32_t sample_count,
@@ skipping 206 matching lines @@
   virtual void SampleGamepads(WebKit::WebGamepads* data) = 0;
 
   // Returns true if the containing page is visible.
   virtual bool IsPageVisible() const = 0;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_