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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_ | 5 #ifndef CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_ |
| 6 #define WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_ | 6 #define CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/memory/shared_memory.h" | 10 #include "base/memory/shared_memory.h" |
| 11 #include "base/sync_socket.h" | 11 #include "base/sync_socket.h" |
| 12 #include "content/renderer/pepper/audio_helper.h" |
| 13 #include "content/renderer/pepper/plugin_delegate.h" |
| 12 #include "ppapi/c/pp_completion_callback.h" | 14 #include "ppapi/c/pp_completion_callback.h" |
| 13 #include "ppapi/c/ppb_audio.h" | 15 #include "ppapi/c/ppb_audio.h" |
| 14 #include "ppapi/c/ppb_audio_config.h" | 16 #include "ppapi/c/ppb_audio_config.h" |
| 15 #include "ppapi/shared_impl/ppb_audio_config_shared.h" | 17 #include "ppapi/shared_impl/ppb_audio_config_shared.h" |
| 16 #include "ppapi/shared_impl/ppb_audio_shared.h" | 18 #include "ppapi/shared_impl/ppb_audio_shared.h" |
| 17 #include "ppapi/shared_impl/resource.h" | 19 #include "ppapi/shared_impl/resource.h" |
| 18 #include "ppapi/shared_impl/scoped_pp_resource.h" | 20 #include "ppapi/shared_impl/scoped_pp_resource.h" |
| 19 #include "webkit/plugins/ppapi/audio_helper.h" | |
| 20 #include "webkit/plugins/ppapi/plugin_delegate.h" | |
| 21 | 21 |
| 22 namespace webkit { | 22 namespace webkit { |
| 23 namespace ppapi { | 23 namespace ppapi { |
| 24 | 24 |
| 25 // Some of the backend functionality of this class is implemented by the | 25 // Some of the backend functionality of this class is implemented by the |
| 26 // PPB_Audio_Shared so it can be shared with the proxy. | 26 // PPB_Audio_Shared so it can be shared with the proxy. |
| 27 class PPB_Audio_Impl : public ::ppapi::Resource, | 27 class PPB_Audio_Impl : public ::ppapi::Resource, |
| 28 public ::ppapi::PPB_Audio_Shared, | 28 public ::ppapi::PPB_Audio_Shared, |
| 29 public AudioHelper { | 29 public AudioHelper { |
| 30 public: | 30 public: |
| 31 // Trusted initialization. You must call Init after this. | 31 // Trusted initialization. You must call Init after this. |
| 32 // | 32 // |
| 33 // Untrusted initialization should just call the static Create() function | 33 // Untrusted initialization should just call the static Create() function |
| 34 // to properly create & initialize this class. | 34 // to properly create & initialize this class. |
| 35 explicit PPB_Audio_Impl(PP_Instance instance); | 35 explicit PPB_Audio_Impl(PP_Instance instance); |
| 36 | 36 |
| 37 virtual ~PPB_Audio_Impl(); | |
| 38 | |
| 39 // Creation function for untrusted plugins. This handles all initialization | 37 // Creation function for untrusted plugins. This handles all initialization |
| 40 // and will return 0 on failure. | 38 // and will return 0 on failure. |
| 41 static PP_Resource Create(PP_Instance instance, | 39 static PP_Resource Create(PP_Instance instance, |
| 42 PP_Resource config_id, | 40 PP_Resource config_id, |
| 43 PPB_Audio_Callback audio_callback, | 41 PPB_Audio_Callback audio_callback, |
| 44 void* user_data); | 42 void* user_data); |
| 45 | 43 |
| 46 // Initialization function for trusted init. | 44 // Initialization function for trusted init. |
| 47 bool Init(PP_Resource config_id, | 45 bool Init(PP_Resource config_id, |
| 48 PPB_Audio_Callback user_callback, | 46 PPB_Audio_Callback user_callback, |
| 49 void* user_data); | 47 void* user_data); |
| 50 | 48 |
| 51 // Resource overrides. | 49 // Resource overrides. |
| 52 virtual ::ppapi::thunk::PPB_Audio_API* AsPPB_Audio_API(); | 50 virtual ::ppapi::thunk::PPB_Audio_API* AsPPB_Audio_API() OVERRIDE; |
| 53 | 51 |
| 54 // PPB_Audio_API implementation. | 52 // PPB_Audio_API implementation. |
| 55 virtual PP_Resource GetCurrentConfig() OVERRIDE; | 53 virtual PP_Resource GetCurrentConfig() OVERRIDE; |
| 56 virtual PP_Bool StartPlayback() OVERRIDE; | 54 virtual PP_Bool StartPlayback() OVERRIDE; |
| 57 virtual PP_Bool StopPlayback() OVERRIDE; | 55 virtual PP_Bool StopPlayback() OVERRIDE; |
| 58 virtual int32_t Open( | 56 virtual int32_t Open( |
| 59 PP_Resource config_id, | 57 PP_Resource config_id, |
| 60 scoped_refptr< ::ppapi::TrackedCallback> create_callback) OVERRIDE; | 58 scoped_refptr< ::ppapi::TrackedCallback> create_callback) OVERRIDE; |
| 61 virtual int32_t GetSyncSocket(int* sync_socket) OVERRIDE; | 59 virtual int32_t GetSyncSocket(int* sync_socket) OVERRIDE; |
| 62 virtual int32_t GetSharedMemory(int* shm_handle, uint32_t* shm_size) OVERRIDE; | 60 virtual int32_t GetSharedMemory(int* shm_handle, uint32_t* shm_size) OVERRIDE; |
| 63 | 61 |
| 64 private: | 62 private: |
| 63 virtual ~PPB_Audio_Impl(); |
| 64 |
| 65 // AudioHelper implementation. | 65 // AudioHelper implementation. |
| 66 virtual void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle, | 66 virtual void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle, |
| 67 size_t shared_memory_size_, | 67 size_t shared_memory_size_, |
| 68 base::SyncSocket::Handle socket); | 68 base::SyncSocket::Handle socket) OVERRIDE; |
| 69 | 69 |
| 70 // AudioConfig used for creating this Audio object. We own a ref. | 70 // AudioConfig used for creating this Audio object. We own a ref. |
| 71 ::ppapi::ScopedPPResource config_; | 71 ::ppapi::ScopedPPResource config_; |
| 72 | 72 |
| 73 // PluginDelegate audio object that we delegate audio IPC through. We don't | 73 // PluginDelegate audio object that we delegate audio IPC through. We don't |
| 74 // own this pointer but are responsible for calling Shutdown on it. | 74 // own this pointer but are responsible for calling Shutdown on it. |
| 75 PluginDelegate::PlatformAudioOutput* audio_; | 75 PluginDelegate::PlatformAudioOutput* audio_; |
| 76 | 76 |
| 77 // Track frame count for passing on to PPB_Audio_Shared::SetStreamInfo(). | 77 // Track frame count for passing on to PPB_Audio_Shared::SetStreamInfo(). |
| 78 int sample_frame_count_; | 78 int sample_frame_count_; |
| 79 | 79 |
| 80 DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Impl); | 80 DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Impl); |
| 81 }; | 81 }; |
| 82 | 82 |
| 83 } // namespace ppapi | 83 } // namespace ppapi |
| 84 } // namespace webkit | 84 } // namespace webkit |
| 85 | 85 |
| 86 #endif // WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_ | 86 #endif // CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_ |
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