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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" |
| 11 #include "ppapi/c/ppb_audio_config.h" | 11 #include "ppapi/c/ppb_audio_config.h" |
| 12 #include "ppapi/c/ppb_var.h" | 12 #include "ppapi/c/ppb_var.h" |
| 13 #include "ppapi/c/trusted/ppb_audio_trusted.h" | 13 #include "ppapi/c/trusted/ppb_audio_trusted.h" |
| 14 #include "ppapi/proxy/enter_proxy.h" | 14 #include "ppapi/proxy/enter_proxy.h" |
| 15 #include "ppapi/proxy/interface_id.h" | |
| 16 #include "ppapi/proxy/plugin_dispatcher.h" | 15 #include "ppapi/proxy/plugin_dispatcher.h" |
| 17 #include "ppapi/proxy/ppapi_messages.h" | 16 #include "ppapi/proxy/ppapi_messages.h" |
| 17 #include "ppapi/shared_impl/api_id.h" |
| 18 #include "ppapi/shared_impl/audio_impl.h" | 18 #include "ppapi/shared_impl/audio_impl.h" |
| 19 #include "ppapi/shared_impl/ppapi_globals.h" | 19 #include "ppapi/shared_impl/ppapi_globals.h" |
| 20 #include "ppapi/shared_impl/resource.h" | 20 #include "ppapi/shared_impl/resource.h" |
| 21 #include "ppapi/thunk/ppb_audio_config_api.h" | 21 #include "ppapi/thunk/ppb_audio_config_api.h" |
| 22 #include "ppapi/thunk/enter.h" | 22 #include "ppapi/thunk/enter.h" |
| 23 #include "ppapi/thunk/resource_creation_api.h" | 23 #include "ppapi/thunk/resource_creation_api.h" |
| 24 #include "ppapi/thunk/thunk.h" | 24 #include "ppapi/thunk/thunk.h" |
| 25 | 25 |
| 26 using ppapi::thunk::EnterResourceNoLock; | 26 using ppapi::thunk::EnterResourceNoLock; |
| 27 using ppapi::thunk::PPB_Audio_API; | 27 using ppapi::thunk::PPB_Audio_API; |
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| 81 PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(config_); | 81 PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(config_); |
| 82 return config_; | 82 return config_; |
| 83 } | 83 } |
| 84 | 84 |
| 85 PP_Bool Audio::StartPlayback() { | 85 PP_Bool Audio::StartPlayback() { |
| 86 if (playing()) | 86 if (playing()) |
| 87 return PP_TRUE; | 87 return PP_TRUE; |
| 88 SetStartPlaybackState(); | 88 SetStartPlaybackState(); |
| 89 PluginDispatcher::GetForResource(this)->Send( | 89 PluginDispatcher::GetForResource(this)->Send( |
| 90 new PpapiHostMsg_PPBAudio_StartOrStop( | 90 new PpapiHostMsg_PPBAudio_StartOrStop( |
| 91 INTERFACE_ID_PPB_AUDIO, host_resource(), true)); | 91 API_ID_PPB_AUDIO, host_resource(), true)); |
| 92 return PP_TRUE; | 92 return PP_TRUE; |
| 93 } | 93 } |
| 94 | 94 |
| 95 PP_Bool Audio::StopPlayback() { | 95 PP_Bool Audio::StopPlayback() { |
| 96 if (!playing()) | 96 if (!playing()) |
| 97 return PP_TRUE; | 97 return PP_TRUE; |
| 98 PluginDispatcher::GetForResource(this)->Send( | 98 PluginDispatcher::GetForResource(this)->Send( |
| 99 new PpapiHostMsg_PPBAudio_StartOrStop( | 99 new PpapiHostMsg_PPBAudio_StartOrStop( |
| 100 INTERFACE_ID_PPB_AUDIO, host_resource(), false)); | 100 API_ID_PPB_AUDIO, host_resource(), false)); |
| 101 SetStopPlaybackState(); | 101 SetStopPlaybackState(); |
| 102 return PP_TRUE; | 102 return PP_TRUE; |
| 103 } | 103 } |
| 104 | 104 |
| 105 int32_t Audio::OpenTrusted(PP_Resource config_id, | 105 int32_t Audio::OpenTrusted(PP_Resource config_id, |
| 106 PP_CompletionCallback create_callback) { | 106 PP_CompletionCallback create_callback) { |
| 107 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. | 107 return PP_ERROR_NOTSUPPORTED; // Don't proxy the trusted interface. |
| 108 } | 108 } |
| 109 | 109 |
| 110 int32_t Audio::GetSyncSocket(int* sync_socket) { | 110 int32_t Audio::GetSyncSocket(int* sync_socket) { |
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| 148 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id); | 148 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id); |
| 149 if (!dispatcher) | 149 if (!dispatcher) |
| 150 return 0; | 150 return 0; |
| 151 | 151 |
| 152 EnterResourceNoLock<PPB_AudioConfig_API> config(config_id, true); | 152 EnterResourceNoLock<PPB_AudioConfig_API> config(config_id, true); |
| 153 if (config.failed()) | 153 if (config.failed()) |
| 154 return 0; | 154 return 0; |
| 155 | 155 |
| 156 HostResource result; | 156 HostResource result; |
| 157 dispatcher->Send(new PpapiHostMsg_PPBAudio_Create( | 157 dispatcher->Send(new PpapiHostMsg_PPBAudio_Create( |
| 158 INTERFACE_ID_PPB_AUDIO, instance_id, | 158 API_ID_PPB_AUDIO, instance_id, |
| 159 config.object()->GetSampleRate(), config.object()->GetSampleFrameCount(), | 159 config.object()->GetSampleRate(), config.object()->GetSampleFrameCount(), |
| 160 &result)); | 160 &result)); |
| 161 if (result.is_null()) | 161 if (result.is_null()) |
| 162 return 0; | 162 return 0; |
| 163 | 163 |
| 164 return (new Audio(result, config_id, | 164 return (new Audio(result, config_id, |
| 165 audio_callback, user_data))->GetReference(); | 165 audio_callback, user_data))->GetReference(); |
| 166 } | 166 } |
| 167 | 167 |
| 168 bool PPB_Audio_Proxy::OnMessageReceived(const IPC::Message& msg) { | 168 bool PPB_Audio_Proxy::OnMessageReceived(const IPC::Message& msg) { |
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| 276 &shared_memory, | 276 &shared_memory, |
| 277 &shared_memory_length); | 277 &shared_memory_length); |
| 278 } | 278 } |
| 279 | 279 |
| 280 // Send all the values, even on error. This simplifies some of our cleanup | 280 // Send all the values, even on error. This simplifies some of our cleanup |
| 281 // code since the handles will be in the other process and could be | 281 // code since the handles will be in the other process and could be |
| 282 // inconvenient to clean up. Our IPC code will automatically handle this for | 282 // inconvenient to clean up. Our IPC code will automatically handle this for |
| 283 // us, as long as the remote side always closes the handles it receives | 283 // us, as long as the remote side always closes the handles it receives |
| 284 // (in OnMsgNotifyAudioStreamCreated), even in the failure case. | 284 // (in OnMsgNotifyAudioStreamCreated), even in the failure case. |
| 285 dispatcher()->Send(new PpapiMsg_PPBAudio_NotifyAudioStreamCreated( | 285 dispatcher()->Send(new PpapiMsg_PPBAudio_NotifyAudioStreamCreated( |
| 286 INTERFACE_ID_PPB_AUDIO, resource, result_code, socket_handle, | 286 API_ID_PPB_AUDIO, resource, result_code, socket_handle, |
| 287 shared_memory, shared_memory_length)); | 287 shared_memory, shared_memory_length)); |
| 288 } | 288 } |
| 289 | 289 |
| 290 int32_t PPB_Audio_Proxy::GetAudioConnectedHandles( | 290 int32_t PPB_Audio_Proxy::GetAudioConnectedHandles( |
| 291 const HostResource& resource, | 291 const HostResource& resource, |
| 292 IPC::PlatformFileForTransit* foreign_socket_handle, | 292 IPC::PlatformFileForTransit* foreign_socket_handle, |
| 293 base::SharedMemoryHandle* foreign_shared_memory_handle, | 293 base::SharedMemoryHandle* foreign_shared_memory_handle, |
| 294 uint32_t* shared_memory_length) { | 294 uint32_t* shared_memory_length) { |
| 295 // Get the audio interface which will give us the handles. | 295 // Get the audio interface which will give us the handles. |
| 296 EnterHostFromHostResource<PPB_Audio_API> enter(resource); | 296 EnterHostFromHostResource<PPB_Audio_API> enter(resource); |
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| 320 *foreign_shared_memory_handle = dispatcher()->ShareHandleWithRemote( | 320 *foreign_shared_memory_handle = dispatcher()->ShareHandleWithRemote( |
| 321 IntToPlatformFile(shared_memory_handle), false); | 321 IntToPlatformFile(shared_memory_handle), false); |
| 322 if (*foreign_shared_memory_handle == IPC::InvalidPlatformFileForTransit()) | 322 if (*foreign_shared_memory_handle == IPC::InvalidPlatformFileForTransit()) |
| 323 return PP_ERROR_FAILED; | 323 return PP_ERROR_FAILED; |
| 324 | 324 |
| 325 return PP_OK; | 325 return PP_OK; |
| 326 } | 326 } |
| 327 | 327 |
| 328 } // namespace proxy | 328 } // namespace proxy |
| 329 } // namespace ppapi | 329 } // namespace ppapi |
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