OLD | NEW |
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 "webkit/glue/plugins/pepper_audio.h" | 5 #include "webkit/plugins/ppapi/ppb_audio_impl.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "ppapi/c/dev/ppb_audio_dev.h" | 8 #include "ppapi/c/dev/ppb_audio_dev.h" |
9 #include "ppapi/c/dev/ppb_audio_trusted_dev.h" | 9 #include "ppapi/c/dev/ppb_audio_trusted_dev.h" |
10 #include "ppapi/c/pp_completion_callback.h" | 10 #include "ppapi/c/pp_completion_callback.h" |
11 #include "webkit/glue/plugins/pepper_common.h" | 11 #include "webkit/plugins/ppapi/common.h" |
12 | 12 |
13 namespace pepper { | 13 namespace webkit { |
| 14 namespace ppapi { |
14 | 15 |
15 namespace { | 16 namespace { |
16 | 17 |
17 // PPB_AudioConfig ------------------------------------------------------------- | 18 // PPB_AudioConfig ------------------------------------------------------------- |
18 | 19 |
19 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count); | 20 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count); |
20 | 21 |
21 PP_Resource CreateStereo16bit(PP_Module module_id, | 22 PP_Resource CreateStereo16bit(PP_Module module_id, |
22 PP_AudioSampleRate_Dev sample_rate, | 23 PP_AudioSampleRate_Dev sample_rate, |
23 uint32_t sample_frame_count) { | 24 uint32_t sample_frame_count) { |
24 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); | 25 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); |
25 if (!module) | 26 if (!module) |
26 return 0; | 27 return 0; |
27 | 28 |
28 // TODO(brettw): Currently we don't actually check what the hardware | 29 // TODO(brettw): Currently we don't actually check what the hardware |
29 // supports, so just allow sample rates of the "guaranteed working" ones. | 30 // supports, so just allow sample rates of the "guaranteed working" ones. |
30 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && | 31 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && |
31 sample_rate != PP_AUDIOSAMPLERATE_48000) | 32 sample_rate != PP_AUDIOSAMPLERATE_48000) |
32 return 0; | 33 return 0; |
33 | 34 |
34 // TODO(brettw): Currently we don't actually query to get a value from the | 35 // TODO(brettw): Currently we don't actually query to get a value from the |
35 // hardware, so just validate the range. | 36 // hardware, so just validate the range. |
36 if (RecommendSampleFrameCount(sample_frame_count) != sample_frame_count) | 37 if (RecommendSampleFrameCount(sample_frame_count) != sample_frame_count) |
37 return 0; | 38 return 0; |
38 | 39 |
39 scoped_refptr<AudioConfig> config(new AudioConfig(module, | 40 scoped_refptr<PPB_AudioConfig_Impl> config( |
40 sample_rate, | 41 new PPB_AudioConfig_Impl(module, sample_rate, sample_frame_count)); |
41 sample_frame_count)); | |
42 return config->GetReference(); | 42 return config->GetReference(); |
43 } | 43 } |
44 | 44 |
45 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count) { | 45 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count) { |
46 // TODO(brettw) Currently we don't actually query to get a value from the | 46 // TODO(brettw) Currently we don't actually query to get a value from the |
47 // hardware, so we always return the input for in-range values. | 47 // hardware, so we always return the input for in-range values. |
48 if (requested_sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) | 48 if (requested_sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) |
49 return PP_AUDIOMINSAMPLEFRAMECOUNT; | 49 return PP_AUDIOMINSAMPLEFRAMECOUNT; |
50 if (requested_sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT) | 50 if (requested_sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT) |
51 return PP_AUDIOMAXSAMPLEFRAMECOUNT; | 51 return PP_AUDIOMAXSAMPLEFRAMECOUNT; |
52 return requested_sample_frame_count; | 52 return requested_sample_frame_count; |
53 } | 53 } |
54 | 54 |
55 PP_Bool IsAudioConfig(PP_Resource resource) { | 55 PP_Bool IsAudioConfig(PP_Resource resource) { |
56 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(resource); | 56 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 57 Resource::GetAs<PPB_AudioConfig_Impl>(resource); |
57 return BoolToPPBool(!!config); | 58 return BoolToPPBool(!!config); |
58 } | 59 } |
59 | 60 |
60 PP_AudioSampleRate_Dev GetSampleRate(PP_Resource config_id) { | 61 PP_AudioSampleRate_Dev GetSampleRate(PP_Resource config_id) { |
61 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(config_id); | 62 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 63 Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
62 return config ? config->sample_rate() : PP_AUDIOSAMPLERATE_NONE; | 64 return config ? config->sample_rate() : PP_AUDIOSAMPLERATE_NONE; |
63 } | 65 } |
64 | 66 |
65 uint32_t GetSampleFrameCount(PP_Resource config_id) { | 67 uint32_t GetSampleFrameCount(PP_Resource config_id) { |
66 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(config_id); | 68 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 69 Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
67 return config ? config->sample_frame_count() : 0; | 70 return config ? config->sample_frame_count() : 0; |
68 } | 71 } |
69 | 72 |
70 const PPB_AudioConfig_Dev ppb_audioconfig = { | 73 const PPB_AudioConfig_Dev ppb_audioconfig = { |
71 &CreateStereo16bit, | 74 &CreateStereo16bit, |
72 &RecommendSampleFrameCount, | 75 &RecommendSampleFrameCount, |
73 &IsAudioConfig, | 76 &IsAudioConfig, |
74 &GetSampleRate, | 77 &GetSampleRate, |
75 &GetSampleFrameCount | 78 &GetSampleFrameCount |
76 }; | 79 }; |
77 | 80 |
78 // PPB_Audio ------------------------------------------------------------------- | 81 // PPB_Audio ------------------------------------------------------------------- |
79 | 82 |
80 PP_Resource Create(PP_Instance instance_id, PP_Resource config_id, | 83 PP_Resource Create(PP_Instance instance_id, PP_Resource config_id, |
81 PPB_Audio_Callback user_callback, void* user_data) { | 84 PPB_Audio_Callback user_callback, void* user_data) { |
82 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 85 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
83 if (!instance) | 86 if (!instance) |
84 return 0; | 87 return 0; |
85 if (!user_callback) | 88 if (!user_callback) |
86 return 0; | 89 return 0; |
87 scoped_refptr<Audio> audio(new Audio(instance->module(), instance_id)); | 90 scoped_refptr<PPB_Audio_Impl> audio( |
| 91 new PPB_Audio_Impl(instance->module(), instance_id)); |
88 if (!audio->Init(instance->delegate(), config_id, | 92 if (!audio->Init(instance->delegate(), config_id, |
89 user_callback, user_data)) | 93 user_callback, user_data)) |
90 return 0; | 94 return 0; |
91 return audio->GetReference(); | 95 return audio->GetReference(); |
92 } | 96 } |
93 | 97 |
94 PP_Bool IsAudio(PP_Resource resource) { | 98 PP_Bool IsAudio(PP_Resource resource) { |
95 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(resource); | 99 scoped_refptr<PPB_Audio_Impl> audio = |
| 100 Resource::GetAs<PPB_Audio_Impl>(resource); |
96 return BoolToPPBool(!!audio); | 101 return BoolToPPBool(!!audio); |
97 } | 102 } |
98 | 103 |
99 PP_Resource GetCurrentConfig(PP_Resource audio_id) { | 104 PP_Resource GetCurrentConfig(PP_Resource audio_id) { |
100 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 105 scoped_refptr<PPB_Audio_Impl> audio = Resource::GetAs<PPB_Audio_Impl>(audio_id
); |
101 return audio ? audio->GetCurrentConfig() : 0; | 106 return audio ? audio->GetCurrentConfig() : 0; |
102 } | 107 } |
103 | 108 |
104 PP_Bool StartPlayback(PP_Resource audio_id) { | 109 PP_Bool StartPlayback(PP_Resource audio_id) { |
105 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 110 scoped_refptr<PPB_Audio_Impl> audio = |
| 111 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
106 return audio ? BoolToPPBool(audio->StartPlayback()) : PP_FALSE; | 112 return audio ? BoolToPPBool(audio->StartPlayback()) : PP_FALSE; |
107 } | 113 } |
108 | 114 |
109 PP_Bool StopPlayback(PP_Resource audio_id) { | 115 PP_Bool StopPlayback(PP_Resource audio_id) { |
110 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 116 scoped_refptr<PPB_Audio_Impl> audio = |
| 117 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
111 return audio ? BoolToPPBool(audio->StopPlayback()) : PP_FALSE; | 118 return audio ? BoolToPPBool(audio->StopPlayback()) : PP_FALSE; |
112 } | 119 } |
113 | 120 |
114 const PPB_Audio_Dev ppb_audio = { | 121 const PPB_Audio_Dev ppb_audio = { |
115 &Create, | 122 &Create, |
116 &IsAudio, | 123 &IsAudio, |
117 &GetCurrentConfig, | 124 &GetCurrentConfig, |
118 &StartPlayback, | 125 &StartPlayback, |
119 &StopPlayback, | 126 &StopPlayback, |
120 }; | 127 }; |
121 | 128 |
122 // PPB_AudioTrusted ------------------------------------------------------------ | 129 // PPB_AudioTrusted ------------------------------------------------------------ |
123 | 130 |
124 PP_Resource CreateTrusted(PP_Instance instance_id) { | 131 PP_Resource CreateTrusted(PP_Instance instance_id) { |
125 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 132 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
126 if (!instance) | 133 if (!instance) |
127 return 0; | 134 return 0; |
128 scoped_refptr<Audio> audio(new Audio(instance->module(), instance_id)); | 135 scoped_refptr<PPB_Audio_Impl> audio(new PPB_Audio_Impl(instance->module(), ins
tance_id)); |
129 return audio->GetReference(); | 136 return audio->GetReference(); |
130 } | 137 } |
131 | 138 |
132 int32_t Open(PP_Resource audio_id, | 139 int32_t Open(PP_Resource audio_id, |
133 PP_Resource config_id, | 140 PP_Resource config_id, |
134 PP_CompletionCallback created) { | 141 PP_CompletionCallback created) { |
135 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 142 scoped_refptr<PPB_Audio_Impl> audio = |
| 143 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
136 if (!audio) | 144 if (!audio) |
137 return PP_ERROR_BADRESOURCE; | 145 return PP_ERROR_BADRESOURCE; |
138 if (!created.func) | 146 if (!created.func) |
139 return PP_ERROR_BADARGUMENT; | 147 return PP_ERROR_BADARGUMENT; |
140 PP_Instance instance_id = audio->pp_instance(); | 148 PP_Instance instance_id = audio->pp_instance(); |
141 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 149 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
142 if (!instance) | 150 if (!instance) |
143 return PP_ERROR_FAILED; | 151 return PP_ERROR_FAILED; |
144 return audio->Open(instance->delegate(), config_id, created); | 152 return audio->Open(instance->delegate(), config_id, created); |
145 } | 153 } |
146 | 154 |
147 int32_t GetSyncSocket(PP_Resource audio_id, int* sync_socket) { | 155 int32_t GetSyncSocket(PP_Resource audio_id, int* sync_socket) { |
148 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 156 scoped_refptr<PPB_Audio_Impl> audio = |
| 157 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
149 if (audio) | 158 if (audio) |
150 return audio->GetSyncSocket(sync_socket); | 159 return audio->GetSyncSocket(sync_socket); |
151 return PP_ERROR_BADRESOURCE; | 160 return PP_ERROR_BADRESOURCE; |
152 } | 161 } |
153 | 162 |
154 int32_t GetSharedMemory(PP_Resource audio_id, | 163 int32_t GetSharedMemory(PP_Resource audio_id, |
155 int* shm_handle, | 164 int* shm_handle, |
156 uint32_t* shm_size) { | 165 uint32_t* shm_size) { |
157 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 166 scoped_refptr<PPB_Audio_Impl> audio = |
| 167 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
158 if (audio) | 168 if (audio) |
159 return audio->GetSharedMemory(shm_handle, shm_size); | 169 return audio->GetSharedMemory(shm_handle, shm_size); |
160 return PP_ERROR_BADRESOURCE; | 170 return PP_ERROR_BADRESOURCE; |
161 } | 171 } |
162 | 172 |
163 const PPB_AudioTrusted_Dev ppb_audiotrusted = { | 173 const PPB_AudioTrusted_Dev ppb_audiotrusted = { |
164 &CreateTrusted, | 174 &CreateTrusted, |
165 &Open, | 175 &Open, |
166 &GetSyncSocket, | 176 &GetSyncSocket, |
167 &GetSharedMemory, | 177 &GetSharedMemory, |
168 }; | 178 }; |
169 | 179 |
170 } // namespace | 180 } // namespace |
171 | 181 |
172 // AudioConfig ----------------------------------------------------------------- | 182 // PPB_AudioConfig_Impl -------------------------------------------------------- |
173 | 183 |
174 AudioConfig::AudioConfig(PluginModule* module, | 184 PPB_AudioConfig_Impl::PPB_AudioConfig_Impl( |
175 PP_AudioSampleRate_Dev sample_rate, | 185 PluginModule* module, |
176 uint32_t sample_frame_count) | 186 PP_AudioSampleRate_Dev sample_rate, |
| 187 uint32_t sample_frame_count) |
177 : Resource(module), | 188 : Resource(module), |
178 sample_rate_(sample_rate), | 189 sample_rate_(sample_rate), |
179 sample_frame_count_(sample_frame_count) { | 190 sample_frame_count_(sample_frame_count) { |
180 } | 191 } |
181 | 192 |
182 const PPB_AudioConfig_Dev* AudioConfig::GetInterface() { | 193 const PPB_AudioConfig_Dev* PPB_AudioConfig_Impl::GetInterface() { |
183 return &ppb_audioconfig; | 194 return &ppb_audioconfig; |
184 } | 195 } |
185 | 196 |
186 size_t AudioConfig::BufferSize() { | 197 size_t PPB_AudioConfig_Impl::BufferSize() { |
187 // TODO(audio): as more options become available, we'll need to | 198 // TODO(audio): as more options become available, we'll need to |
188 // have additional code here to correctly calculate the size in | 199 // have additional code here to correctly calculate the size in |
189 // bytes of an audio buffer. For now, only support two channel | 200 // bytes of an audio buffer. For now, only support two channel |
190 // int16_t sample buffers. | 201 // int16_t sample buffers. |
191 const int kChannels = 2; | 202 const int kChannels = 2; |
192 const int kSizeOfSample = sizeof(int16_t); | 203 const int kSizeOfSample = sizeof(int16_t); |
193 return static_cast<size_t>(sample_frame_count_ * kSizeOfSample * kChannels); | 204 return static_cast<size_t>(sample_frame_count_ * kSizeOfSample * kChannels); |
194 } | 205 } |
195 | 206 |
196 AudioConfig* AudioConfig::AsAudioConfig() { | 207 PPB_AudioConfig_Impl* PPB_AudioConfig_Impl::AsPPB_AudioConfig_Impl() { |
197 return this; | 208 return this; |
198 } | 209 } |
199 | 210 |
200 // Audio ----------------------------------------------------------------------- | 211 // PPB_Audio_Impl -------------------------------------------------------------- |
201 | 212 |
202 Audio::Audio(PluginModule* module, PP_Instance instance_id) | 213 PPB_Audio_Impl::PPB_Audio_Impl(PluginModule* module, PP_Instance instance_id) |
203 : Resource(module), | 214 : Resource(module), |
204 pp_instance_(instance_id), | 215 pp_instance_(instance_id), |
205 audio_(NULL), | 216 audio_(NULL), |
206 create_callback_pending_(false) { | 217 create_callback_pending_(false) { |
207 create_callback_ = PP_MakeCompletionCallback(NULL, NULL); | 218 create_callback_ = PP_MakeCompletionCallback(NULL, NULL); |
208 } | 219 } |
209 | 220 |
210 Audio::~Audio() { | 221 PPB_Audio_Impl::~PPB_Audio_Impl() { |
211 // Calling ShutDown() makes sure StreamCreated cannot be called anymore. | 222 // Calling ShutDown() makes sure StreamCreated cannot be called anymore. |
212 audio_->ShutDown(); | 223 audio_->ShutDown(); |
213 audio_ = NULL; | 224 audio_ = NULL; |
214 | 225 |
215 // If the completion callback hasn't fired yet, do so here | 226 // If the completion callback hasn't fired yet, do so here |
216 // with an error condition. | 227 // with an error condition. |
217 if (create_callback_pending_) { | 228 if (create_callback_pending_) { |
218 PP_RunCompletionCallback(&create_callback_, PP_ERROR_ABORTED); | 229 PP_RunCompletionCallback(&create_callback_, PP_ERROR_ABORTED); |
219 create_callback_pending_ = false; | 230 create_callback_pending_ = false; |
220 } | 231 } |
221 } | 232 } |
222 | 233 |
223 const PPB_Audio_Dev* Audio::GetInterface() { | 234 const PPB_Audio_Dev* PPB_Audio_Impl::GetInterface() { |
224 return &ppb_audio; | 235 return &ppb_audio; |
225 } | 236 } |
226 | 237 |
227 const PPB_AudioTrusted_Dev* Audio::GetTrustedInterface() { | 238 const PPB_AudioTrusted_Dev* PPB_Audio_Impl::GetTrustedInterface() { |
228 return &ppb_audiotrusted; | 239 return &ppb_audiotrusted; |
229 } | 240 } |
230 | 241 |
231 Audio* Audio::AsAudio() { | 242 PPB_Audio_Impl* PPB_Audio_Impl::AsPPB_Audio_Impl() { |
232 return this; | 243 return this; |
233 } | 244 } |
234 | 245 |
235 bool Audio::Init(PluginDelegate* plugin_delegate, | 246 bool PPB_Audio_Impl::Init(PluginDelegate* plugin_delegate, |
236 PP_Resource config_id, | 247 PP_Resource config_id, |
237 PPB_Audio_Callback callback, void* user_data) { | 248 PPB_Audio_Callback callback, void* user_data) { |
238 CHECK(!audio_); | 249 CHECK(!audio_); |
239 config_ = Resource::GetAs<AudioConfig>(config_id); | 250 config_ = Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
240 if (!config_) | 251 if (!config_) |
241 return false; | 252 return false; |
242 SetCallback(callback, user_data); | 253 SetCallback(callback, user_data); |
243 | 254 |
244 // When the stream is created, we'll get called back on StreamCreated(). | 255 // When the stream is created, we'll get called back on StreamCreated(). |
245 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), | 256 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), |
246 config_->sample_frame_count(), | 257 config_->sample_frame_count(), |
247 this); | 258 this); |
248 return audio_ != NULL; | 259 return audio_ != NULL; |
249 } | 260 } |
250 | 261 |
251 PP_Resource Audio::GetCurrentConfig() { | 262 PP_Resource PPB_Audio_Impl::GetCurrentConfig() { |
252 return config_->GetReference(); | 263 return config_->GetReference(); |
253 } | 264 } |
254 | 265 |
255 bool Audio::StartPlayback() { | 266 bool PPB_Audio_Impl::StartPlayback() { |
256 if (playing()) | 267 if (playing()) |
257 return true; | 268 return true; |
258 SetStartPlaybackState(); | 269 SetStartPlaybackState(); |
259 return audio_->StartPlayback(); | 270 return audio_->StartPlayback(); |
260 } | 271 } |
261 | 272 |
262 bool Audio::StopPlayback() { | 273 bool PPB_Audio_Impl::StopPlayback() { |
263 if (!playing()) | 274 if (!playing()) |
264 return true; | 275 return true; |
265 if (!audio_->StopPlayback()) | 276 if (!audio_->StopPlayback()) |
266 return false; | 277 return false; |
267 SetStopPlaybackState(); | 278 SetStopPlaybackState(); |
268 return true; | 279 return true; |
269 } | 280 } |
270 | 281 |
271 int32_t Audio::Open(PluginDelegate* plugin_delegate, | 282 int32_t PPB_Audio_Impl::Open(PluginDelegate* plugin_delegate, |
272 PP_Resource config_id, | 283 PP_Resource config_id, |
273 PP_CompletionCallback create_callback) { | 284 PP_CompletionCallback create_callback) { |
274 DCHECK(!audio_); | 285 DCHECK(!audio_); |
275 config_ = Resource::GetAs<AudioConfig>(config_id); | 286 config_ = Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
276 if (!config_) | 287 if (!config_) |
277 return PP_ERROR_BADRESOURCE; | 288 return PP_ERROR_BADRESOURCE; |
278 | 289 |
279 // When the stream is created, we'll get called back on StreamCreated(). | 290 // When the stream is created, we'll get called back on StreamCreated(). |
280 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), | 291 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), |
281 config_->sample_frame_count(), | 292 config_->sample_frame_count(), |
282 this); | 293 this); |
283 if (!audio_) | 294 if (!audio_) |
284 return PP_ERROR_FAILED; | 295 return PP_ERROR_FAILED; |
285 | 296 |
286 // At this point, we are guaranteeing ownership of the completion | 297 // At this point, we are guaranteeing ownership of the completion |
287 // callback. Audio promises to fire the completion callback | 298 // callback. Audio promises to fire the completion callback |
288 // once and only once. | 299 // once and only once. |
289 create_callback_ = create_callback; | 300 create_callback_ = create_callback; |
290 create_callback_pending_ = true; | 301 create_callback_pending_ = true; |
291 return PP_ERROR_WOULDBLOCK; | 302 return PP_ERROR_WOULDBLOCK; |
292 } | 303 } |
293 | 304 |
294 int32_t Audio::GetSyncSocket(int* sync_socket) { | 305 int32_t PPB_Audio_Impl::GetSyncSocket(int* sync_socket) { |
295 if (socket_for_create_callback_.get()) { | 306 if (socket_for_create_callback_.get()) { |
296 #if defined(OS_POSIX) | 307 #if defined(OS_POSIX) |
297 *sync_socket = socket_for_create_callback_->handle(); | 308 *sync_socket = socket_for_create_callback_->handle(); |
298 #elif defined(OS_WIN) | 309 #elif defined(OS_WIN) |
299 *sync_socket = reinterpret_cast<int>(socket_for_create_callback_->handle()); | 310 *sync_socket = reinterpret_cast<int>(socket_for_create_callback_->handle()); |
300 #else | 311 #else |
301 #error "Platform not supported." | 312 #error "Platform not supported." |
302 #endif | 313 #endif |
303 return PP_OK; | 314 return PP_OK; |
304 } | 315 } |
305 return PP_ERROR_FAILED; | 316 return PP_ERROR_FAILED; |
306 } | 317 } |
307 | 318 |
308 int32_t Audio::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { | 319 int32_t PPB_Audio_Impl::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { |
309 if (shared_memory_for_create_callback_.get()) { | 320 if (shared_memory_for_create_callback_.get()) { |
310 #if defined(OS_POSIX) | 321 #if defined(OS_POSIX) |
311 *shm_handle = shared_memory_for_create_callback_->handle().fd; | 322 *shm_handle = shared_memory_for_create_callback_->handle().fd; |
312 #elif defined(OS_WIN) | 323 #elif defined(OS_WIN) |
313 *shm_handle = reinterpret_cast<int>( | 324 *shm_handle = reinterpret_cast<int>( |
314 shared_memory_for_create_callback_->handle()); | 325 shared_memory_for_create_callback_->handle()); |
315 #else | 326 #else |
316 #error "Platform not supported." | 327 #error "Platform not supported." |
317 #endif | 328 #endif |
318 *shm_size = shared_memory_size_for_create_callback_; | 329 *shm_size = shared_memory_size_for_create_callback_; |
319 return PP_OK; | 330 return PP_OK; |
320 } | 331 } |
321 return PP_ERROR_FAILED; | 332 return PP_ERROR_FAILED; |
322 } | 333 } |
323 | 334 |
324 void Audio::StreamCreated(base::SharedMemoryHandle shared_memory_handle, | 335 void PPB_Audio_Impl::StreamCreated( |
325 size_t shared_memory_size, | 336 base::SharedMemoryHandle shared_memory_handle, |
326 base::SyncSocket::Handle socket_handle) { | 337 size_t shared_memory_size, |
| 338 base::SyncSocket::Handle socket_handle) { |
327 if (create_callback_pending_) { | 339 if (create_callback_pending_) { |
328 // Trusted side of proxy can specify a callback to recieve handles. In | 340 // Trusted side of proxy can specify a callback to recieve handles. In |
329 // this case we don't need to map any data or start the thread since it | 341 // this case we don't need to map any data or start the thread since it |
330 // will be handled by the proxy. | 342 // will be handled by the proxy. |
331 shared_memory_for_create_callback_.reset( | 343 shared_memory_for_create_callback_.reset( |
332 new base::SharedMemory(shared_memory_handle, false)); | 344 new base::SharedMemory(shared_memory_handle, false)); |
333 shared_memory_size_for_create_callback_ = shared_memory_size; | 345 shared_memory_size_for_create_callback_ = shared_memory_size; |
334 socket_for_create_callback_.reset(new base::SyncSocket(socket_handle)); | 346 socket_for_create_callback_.reset(new base::SyncSocket(socket_handle)); |
335 | 347 |
336 PP_RunCompletionCallback(&create_callback_, 0); | 348 PP_RunCompletionCallback(&create_callback_, 0); |
337 create_callback_pending_ = false; | 349 create_callback_pending_ = false; |
338 | 350 |
339 // It might be nice to close the handles here to free up some system | 351 // It might be nice to close the handles here to free up some system |
340 // resources, but we can't since there's a race condition. The handles must | 352 // resources, but we can't since there's a race condition. The handles must |
341 // be valid until they're sent over IPC, which is done from the I/O thread | 353 // be valid until they're sent over IPC, which is done from the I/O thread |
342 // which will often get done after this code executes. We could do | 354 // which will often get done after this code executes. We could do |
343 // something more elaborate like an ACK from the plugin or post a task to | 355 // something more elaborate like an ACK from the plugin or post a task to |
344 // the I/O thread and back, but this extra complexity doesn't seem worth it | 356 // the I/O thread and back, but this extra complexity doesn't seem worth it |
345 // just to clean up these handles faster. | 357 // just to clean up these handles faster. |
346 } else { | 358 } else { |
347 SetStreamInfo(shared_memory_handle, shared_memory_size, socket_handle); | 359 SetStreamInfo(shared_memory_handle, shared_memory_size, socket_handle); |
348 } | 360 } |
349 } | 361 } |
350 | 362 |
351 } // namespace pepper | 363 } // namespace ppapi |
| 364 } // namespace webkit |
| 365 |
OLD | NEW |