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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #ifndef PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 5 #ifndef PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 
| 6 #define PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 6 #define PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 
| 7 | 7 | 
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" | 
| 9 #include "base/shared_memory.h" | 9 #include "base/shared_memory.h" | 
| 10 #include "base/sync_socket.h" | 10 #include "base/sync_socket.h" | 
| 11 #include "base/threading/simple_thread.h" | 11 #include "base/threading/simple_thread.h" | 
| 12 #include "ppapi/c/ppb_audio.h" | 12 #include "ppapi/c/ppb_audio.h" | 
| 13 #include "ppapi/shared_impl/resource.h" | 13 #include "ppapi/shared_impl/resource.h" | 
| 14 #include "ppapi/thunk/ppb_audio_api.h" | 14 #include "ppapi/thunk/ppb_audio_api.h" | 
| 15 | 15 | 
| 16 namespace ppapi { | 16 namespace ppapi { | 
| 17 | 17 | 
| 18 // Implements the logic to map shared memory and run the audio thread signaled | 18 // Implements the logic to map shared memory and run the audio thread signaled | 
| 19 // from the sync socket. Both the proxy and the renderer implementation use | 19 // from the sync socket. Both the proxy and the renderer implementation use | 
| 20 // this code. | 20 // this code. | 
| 21 class AudioImpl : public thunk::PPB_Audio_API, | 21 class PPAPI_SHARED_EXPORT AudioImpl | 
| 22                   public base::DelegateSimpleThread::Delegate { | 22     : public thunk::PPB_Audio_API, | 
|  | 23       public base::DelegateSimpleThread::Delegate { | 
| 23  public: | 24  public: | 
| 24   AudioImpl(); | 25   AudioImpl(); | 
| 25   virtual ~AudioImpl(); | 26   virtual ~AudioImpl(); | 
| 26 | 27 | 
| 27   bool playing() const { return playing_; } | 28   bool playing() const { return playing_; } | 
| 28 | 29 | 
| 29   // Sets the callback information that the background thread will use. This | 30   // Sets the callback information that the background thread will use. This | 
| 30   // is optional. Without a callback, the thread will not be run. This | 31   // is optional. Without a callback, the thread will not be run. This | 
| 31   // non-callback mode is used in the renderer with the proxy, since the proxy | 32   // non-callback mode is used in the renderer with the proxy, since the proxy | 
| 32   // handles the callback entirely within the plugin process. | 33   // handles the callback entirely within the plugin process. | 
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| 77   // Callback to call when audio is ready to accept new samples. | 78   // Callback to call when audio is ready to accept new samples. | 
| 78   PPB_Audio_Callback callback_; | 79   PPB_Audio_Callback callback_; | 
| 79 | 80 | 
| 80   // User data pointer passed verbatim to the callback function. | 81   // User data pointer passed verbatim to the callback function. | 
| 81   void* user_data_; | 82   void* user_data_; | 
| 82 }; | 83 }; | 
| 83 | 84 | 
| 84 }  // namespace ppapi | 85 }  // namespace ppapi | 
| 85 | 86 | 
| 86 #endif  // PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 87 #endif  // PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ | 
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