Index: ppapi/shared_impl/audio_impl.h |
=================================================================== |
--- ppapi/shared_impl/audio_impl.h (revision 113419) |
+++ ppapi/shared_impl/audio_impl.h (working copy) |
@@ -1,87 +0,0 @@ |
-// Copyright (c) 2011 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_SHARED_IMPL_AUDIO_IMPL_H_ |
-#define PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ |
- |
-#include "base/memory/scoped_ptr.h" |
-#include "base/shared_memory.h" |
-#include "base/sync_socket.h" |
-#include "base/threading/simple_thread.h" |
-#include "ppapi/c/ppb_audio.h" |
-#include "ppapi/shared_impl/resource.h" |
-#include "ppapi/thunk/ppb_audio_api.h" |
- |
-namespace ppapi { |
- |
-// Implements the logic to map shared memory and run the audio thread signaled |
-// from the sync socket. Both the proxy and the renderer implementation use |
-// this code. |
-class PPAPI_SHARED_EXPORT AudioImpl |
- : public thunk::PPB_Audio_API, |
- public base::DelegateSimpleThread::Delegate { |
- public: |
- AudioImpl(); |
- virtual ~AudioImpl(); |
- |
- bool playing() const { return playing_; } |
- |
- // Sets the callback information that the background thread will use. This |
- // is optional. Without a callback, the thread will not be run. This |
- // non-callback mode is used in the renderer with the proxy, since the proxy |
- // handles the callback entirely within the plugin process. |
- void SetCallback(PPB_Audio_Callback callback, void* user_data); |
- |
- // Configures the current state to be playing or not. The caller is |
- // responsible for ensuring the new state is the opposite of the current one. |
- // |
- // This is the implementation for PPB_Audio.Start/StopPlayback, except that |
- // it does not actually notify the audio system to stop playback, it just |
- // configures our object to stop generating callbacks. The actual stop |
- // playback request will be done in the derived classes and will be different |
- // from the proxy and the renderer. |
- void SetStartPlaybackState(); |
- void SetStopPlaybackState(); |
- |
- // Sets the shared memory and socket handles. This will automatically start |
- // playback if we're currently set to play. |
- void SetStreamInfo(base::SharedMemoryHandle shared_memory_handle, |
- size_t shared_memory_size, |
- base::SyncSocket::Handle socket_handle); |
- |
- private: |
- // Starts execution of the audio thread. |
- void StartThread(); |
- |
- // DelegateSimpleThread::Delegate implementation. Run on the audio thread. |
- virtual void Run(); |
- |
- // True if playing the stream. |
- bool playing_; |
- |
- // Socket used to notify us when audio is ready to accept new samples. This |
- // pointer is created in StreamCreated(). |
- scoped_ptr<base::SyncSocket> socket_; |
- |
- // Sample buffer in shared memory. This pointer is created in |
- // StreamCreated(). The memory is only mapped when the audio thread is |
- // created. |
- scoped_ptr<base::SharedMemory> shared_memory_; |
- |
- // The size of the sample buffer in bytes. |
- size_t shared_memory_size_; |
- |
- // When the callback is set, this thread is spawned for calling it. |
- scoped_ptr<base::DelegateSimpleThread> audio_thread_; |
- |
- // Callback to call when audio is ready to accept new samples. |
- PPB_Audio_Callback callback_; |
- |
- // User data pointer passed verbatim to the callback function. |
- void* user_data_; |
-}; |
- |
-} // namespace ppapi |
- |
-#endif // PPAPI_SHARED_IMPL_AUDIO_IMPL_H_ |