Ensures that input Pepper Flash supports the newly added AudioBus interface

ppapi/proxy/audio_input_resource.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 PPAPI_PROXY_AUDIO_INPUT_RESOURCE_H_
 #define PPAPI_PROXY_AUDIO_INPUT_RESOURCE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/sync_socket.h"
 #include "base/threading/simple_thread.h"
 #include "ppapi/proxy/device_enumeration_resource_helper.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/shared_impl/scoped_pp_resource.h"
 #include "ppapi/thunk/ppb_audio_input_api.h"
 
+namespace media {
+class AudioBus;
+}
+
 namespace ppapi {
 namespace proxy {
 
 class ResourceMessageReplyParams;
 
 class AudioInputResource : public PluginResource,
                            public thunk::PPB_AudioInput_API,
                            public base::DelegateSimpleThread::Delegate {
  public:
   AudioInputResource(Connection connection, PP_Instance instance);
@@ skipping 96 matching lines @@
   // Owning reference to the current config object. This isn't actually used,
   // we just dish it out as requested by the plugin.
   ScopedPPResource config_;
 
   DeviceEnumerationResourceHelper enumeration_helper_;
 
   // The data size (in bytes) of one second of audio input. Used to calculate
   // latency.
   size_t bytes_per_second_;
 
+  // AudioBus for shuttling data across the shared memory.
+  scoped_ptr<media::AudioBus> audio_bus_;

[no longer working on chromium, 2014/07/08 15:33:48]

change the name to audio_wrapper_, and update the comment.

[henrika (OOO until Aug 14), 2014/07/09 09:39:51]

I would like to keep this notation to match the corresponding output code (see
ppapi/shared_impl/ppb_audio_shared.cc). They both map shared memory into an
audio bus and I have used it as reference here. Makes it easier to compare and
harmonize in the future. Hope that is OK.

+  int sample_frame_count_;
+
+  // Internal buffer for client's integer audio data.
+  int client_buffer_size_bytes_;
+  scoped_ptr<uint8_t[]> client_buffer_;
+
   DISALLOW_COPY_AND_ASSIGN(AudioInputResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_AUDIO_INPUT_RESOURCE_H_