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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 #include "ppapi/proxy/ppb_audio_proxy.h" | 5 #include "ppapi/proxy/ppb_audio_proxy.h" |
6 | 6 |
7 #include "base/compiler_specific.h" | 7 #include "base/compiler_specific.h" |
8 #include "base/threading/simple_thread.h" | 8 #include "base/threading/simple_thread.h" |
9 #include "ppapi/c/pp_errors.h" | 9 #include "ppapi/c/pp_errors.h" |
10 #include "ppapi/c/ppb_audio.h" | 10 #include "ppapi/c/ppb_audio.h" |
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109 int32_t Audio::GetSyncSocket(int* sync_socket) { | 109 int32_t Audio::GetSyncSocket(int* sync_socket) { |
110 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. | 110 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. |
111 } | 111 } |
112 | 112 |
113 int32_t Audio::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { | 113 int32_t Audio::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { |
114 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. | 114 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. |
115 } | 115 } |
116 | 116 |
117 namespace { | 117 namespace { |
118 | 118 |
| 119 InterfaceProxy* CreateAudioProxy(Dispatcher* dispatcher, |
| 120 const void* target_interface) { |
| 121 return new PPB_Audio_Proxy(dispatcher, target_interface); |
| 122 } |
| 123 |
119 base::PlatformFile IntToPlatformFile(int32_t handle) { | 124 base::PlatformFile IntToPlatformFile(int32_t handle) { |
120 // TODO(piman/brettw): Change trusted interface to return a PP_FileHandle, | 125 // TODO(piman/brettw): Change trusted interface to return a PP_FileHandle, |
121 // those casts are ugly. | 126 // those casts are ugly. |
122 #if defined(OS_WIN) | 127 #if defined(OS_WIN) |
123 return reinterpret_cast<HANDLE>(static_cast<intptr_t>(handle)); | 128 return reinterpret_cast<HANDLE>(static_cast<intptr_t>(handle)); |
124 #elif defined(OS_POSIX) | 129 #elif defined(OS_POSIX) |
125 return handle; | 130 return handle; |
126 #else | 131 #else |
127 #error Not implemented. | 132 #error Not implemented. |
128 #endif | 133 #endif |
129 } | 134 } |
130 | 135 |
131 } // namespace | 136 } // namespace |
132 | 137 |
133 PPB_Audio_Proxy::PPB_Audio_Proxy(Dispatcher* dispatcher) | 138 PPB_Audio_Proxy::PPB_Audio_Proxy(Dispatcher* dispatcher, |
134 : InterfaceProxy(dispatcher), | 139 const void* target_interface) |
| 140 : InterfaceProxy(dispatcher, target_interface), |
135 callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { | 141 callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { |
136 } | 142 } |
137 | 143 |
138 PPB_Audio_Proxy::~PPB_Audio_Proxy() { | 144 PPB_Audio_Proxy::~PPB_Audio_Proxy() { |
139 } | 145 } |
140 | 146 |
141 // static | 147 // static |
| 148 const InterfaceProxy::Info* PPB_Audio_Proxy::GetInfo() { |
| 149 static const Info info = { |
| 150 thunk::GetPPB_Audio_Thunk(), |
| 151 PPB_AUDIO_INTERFACE, |
| 152 INTERFACE_ID_PPB_AUDIO, |
| 153 false, |
| 154 &CreateAudioProxy, |
| 155 }; |
| 156 return &info; |
| 157 } |
| 158 |
| 159 // static |
142 PP_Resource PPB_Audio_Proxy::CreateProxyResource( | 160 PP_Resource PPB_Audio_Proxy::CreateProxyResource( |
143 PP_Instance instance_id, | 161 PP_Instance instance_id, |
144 PP_Resource config_id, | 162 PP_Resource config_id, |
145 PPB_Audio_Callback audio_callback, | 163 PPB_Audio_Callback audio_callback, |
146 void* user_data) { | 164 void* user_data) { |
147 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id); | 165 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id); |
148 if (!dispatcher) | 166 if (!dispatcher) |
149 return 0; | 167 return 0; |
150 | 168 |
151 EnterResourceNoLock<PPB_AudioConfig_API> config(config_id, true); | 169 EnterResourceNoLock<PPB_AudioConfig_API> config(config_id, true); |
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217 enter.SetResult(PP_ERROR_FAILED); | 235 enter.SetResult(PP_ERROR_FAILED); |
218 return; | 236 return; |
219 } | 237 } |
220 | 238 |
221 // Initiate opening the audio object. | 239 // Initiate opening the audio object. |
222 enter.SetResult(enter.object()->OpenTrusted(audio_config_res, | 240 enter.SetResult(enter.object()->OpenTrusted(audio_config_res, |
223 enter.callback())); | 241 enter.callback())); |
224 | 242 |
225 // Clean up the temporary audio config resource we made. | 243 // Clean up the temporary audio config resource we made. |
226 const PPB_Core* core = static_cast<const PPB_Core*>( | 244 const PPB_Core* core = static_cast<const PPB_Core*>( |
227 dispatcher()->local_get_interface()(PPB_CORE_INTERFACE)); | 245 dispatcher()->GetLocalInterface(PPB_CORE_INTERFACE)); |
228 core->ReleaseResource(audio_config_res); | 246 core->ReleaseResource(audio_config_res); |
229 } | 247 } |
230 | 248 |
231 void PPB_Audio_Proxy::OnMsgStartOrStop(const HostResource& audio_id, | 249 void PPB_Audio_Proxy::OnMsgStartOrStop(const HostResource& audio_id, |
232 bool play) { | 250 bool play) { |
233 EnterHostFromHostResource<PPB_Audio_API> enter(audio_id); | |
234 if (enter.failed()) | |
235 return; | |
236 if (play) | 251 if (play) |
237 enter.object()->StartPlayback(); | 252 ppb_audio_target()->StartPlayback(audio_id.host_resource()); |
238 else | 253 else |
239 enter.object()->StopPlayback(); | 254 ppb_audio_target()->StopPlayback(audio_id.host_resource()); |
240 } | 255 } |
241 | 256 |
242 // Processed in the plugin (message from host). | 257 // Processed in the plugin (message from host). |
243 void PPB_Audio_Proxy::OnMsgNotifyAudioStreamCreated( | 258 void PPB_Audio_Proxy::OnMsgNotifyAudioStreamCreated( |
244 const HostResource& audio_id, | 259 const HostResource& audio_id, |
245 int32_t result_code, | 260 int32_t result_code, |
246 IPC::PlatformFileForTransit socket_handle, | 261 IPC::PlatformFileForTransit socket_handle, |
247 base::SharedMemoryHandle handle, | 262 base::SharedMemoryHandle handle, |
248 uint32_t length) { | 263 uint32_t length) { |
249 EnterPluginFromHostResource<PPB_Audio_API> enter(audio_id); | 264 EnterPluginFromHostResource<PPB_Audio_API> enter(audio_id); |
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285 INTERFACE_ID_PPB_AUDIO, resource, result_code, socket_handle, | 300 INTERFACE_ID_PPB_AUDIO, resource, result_code, socket_handle, |
286 shared_memory, shared_memory_length)); | 301 shared_memory, shared_memory_length)); |
287 } | 302 } |
288 | 303 |
289 int32_t PPB_Audio_Proxy::GetAudioConnectedHandles( | 304 int32_t PPB_Audio_Proxy::GetAudioConnectedHandles( |
290 const HostResource& resource, | 305 const HostResource& resource, |
291 IPC::PlatformFileForTransit* foreign_socket_handle, | 306 IPC::PlatformFileForTransit* foreign_socket_handle, |
292 base::SharedMemoryHandle* foreign_shared_memory_handle, | 307 base::SharedMemoryHandle* foreign_shared_memory_handle, |
293 uint32_t* shared_memory_length) { | 308 uint32_t* shared_memory_length) { |
294 // Get the audio interface which will give us the handles. | 309 // Get the audio interface which will give us the handles. |
295 EnterHostFromHostResource<PPB_Audio_API> enter(resource); | 310 EnterResourceNoLock<PPB_Audio_API> enter(resource.host_resource(), false); |
296 if (enter.failed()) | 311 if (enter.failed()) |
297 return PP_ERROR_NOINTERFACE; | 312 return PP_ERROR_NOINTERFACE; |
298 | 313 |
299 // Get the socket handle for signaling. | 314 // Get the socket handle for signaling. |
300 int32_t socket_handle; | 315 int32_t socket_handle; |
301 int32_t result = enter.object()->GetSyncSocket(&socket_handle); | 316 int32_t result = enter.object()->GetSyncSocket(&socket_handle); |
302 if (result != PP_OK) | 317 if (result != PP_OK) |
303 return result; | 318 return result; |
304 | 319 |
305 // socket_handle doesn't belong to us: don't close it. | 320 // socket_handle doesn't belong to us: don't close it. |
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319 *foreign_shared_memory_handle = dispatcher()->ShareHandleWithRemote( | 334 *foreign_shared_memory_handle = dispatcher()->ShareHandleWithRemote( |
320 IntToPlatformFile(shared_memory_handle), false); | 335 IntToPlatformFile(shared_memory_handle), false); |
321 if (*foreign_shared_memory_handle == IPC::InvalidPlatformFileForTransit()) | 336 if (*foreign_shared_memory_handle == IPC::InvalidPlatformFileForTransit()) |
322 return PP_ERROR_FAILED; | 337 return PP_ERROR_FAILED; |
323 | 338 |
324 return PP_OK; | 339 return PP_OK; |
325 } | 340 } |
326 | 341 |
327 } // namespace proxy | 342 } // namespace proxy |
328 } // namespace ppapi | 343 } // namespace ppapi |
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