| 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 plugins { |
| 15 namespace ppapi { |
| 14 | 16 |
| 15 namespace { | 17 namespace { |
| 16 | 18 |
| 17 // PPB_AudioConfig ------------------------------------------------------------- | 19 // PPB_AudioConfig ------------------------------------------------------------- |
| 18 | 20 |
| 19 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count); | 21 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count); |
| 20 | 22 |
| 21 PP_Resource CreateStereo16bit(PP_Module module_id, | 23 PP_Resource CreateStereo16bit(PP_Module module_id, |
| 22 PP_AudioSampleRate_Dev sample_rate, | 24 PP_AudioSampleRate_Dev sample_rate, |
| 23 uint32_t sample_frame_count) { | 25 uint32_t sample_frame_count) { |
| 24 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); | 26 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); |
| 25 if (!module) | 27 if (!module) |
| 26 return 0; | 28 return 0; |
| 27 | 29 |
| 28 // TODO(brettw): Currently we don't actually check what the hardware | 30 // TODO(brettw): Currently we don't actually check what the hardware |
| 29 // supports, so just allow sample rates of the "guaranteed working" ones. | 31 // supports, so just allow sample rates of the "guaranteed working" ones. |
| 30 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && | 32 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && |
| 31 sample_rate != PP_AUDIOSAMPLERATE_48000) | 33 sample_rate != PP_AUDIOSAMPLERATE_48000) |
| 32 return 0; | 34 return 0; |
| 33 | 35 |
| 34 // TODO(brettw): Currently we don't actually query to get a value from the | 36 // TODO(brettw): Currently we don't actually query to get a value from the |
| 35 // hardware, so just validate the range. | 37 // hardware, so just validate the range. |
| 36 if (RecommendSampleFrameCount(sample_frame_count) != sample_frame_count) | 38 if (RecommendSampleFrameCount(sample_frame_count) != sample_frame_count) |
| 37 return 0; | 39 return 0; |
| 38 | 40 |
| 39 scoped_refptr<AudioConfig> config(new AudioConfig(module, | 41 scoped_refptr<PPB_AudioConfig_Impl> config( |
| 40 sample_rate, | 42 new PPB_AudioConfig_Impl(module, sample_rate, sample_frame_count)); |
| 41 sample_frame_count)); | |
| 42 return config->GetReference(); | 43 return config->GetReference(); |
| 43 } | 44 } |
| 44 | 45 |
| 45 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count) { | 46 uint32_t RecommendSampleFrameCount(uint32_t requested_sample_frame_count) { |
| 46 // TODO(brettw) Currently we don't actually query to get a value from the | 47 // 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. | 48 // hardware, so we always return the input for in-range values. |
| 48 if (requested_sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) | 49 if (requested_sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) |
| 49 return PP_AUDIOMINSAMPLEFRAMECOUNT; | 50 return PP_AUDIOMINSAMPLEFRAMECOUNT; |
| 50 if (requested_sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT) | 51 if (requested_sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT) |
| 51 return PP_AUDIOMAXSAMPLEFRAMECOUNT; | 52 return PP_AUDIOMAXSAMPLEFRAMECOUNT; |
| 52 return requested_sample_frame_count; | 53 return requested_sample_frame_count; |
| 53 } | 54 } |
| 54 | 55 |
| 55 PP_Bool IsAudioConfig(PP_Resource resource) { | 56 PP_Bool IsAudioConfig(PP_Resource resource) { |
| 56 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(resource); | 57 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 58 Resource::GetAs<PPB_AudioConfig_Impl>(resource); |
| 57 return BoolToPPBool(!!config); | 59 return BoolToPPBool(!!config); |
| 58 } | 60 } |
| 59 | 61 |
| 60 PP_AudioSampleRate_Dev GetSampleRate(PP_Resource config_id) { | 62 PP_AudioSampleRate_Dev GetSampleRate(PP_Resource config_id) { |
| 61 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(config_id); | 63 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 64 Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
| 62 return config ? config->sample_rate() : PP_AUDIOSAMPLERATE_NONE; | 65 return config ? config->sample_rate() : PP_AUDIOSAMPLERATE_NONE; |
| 63 } | 66 } |
| 64 | 67 |
| 65 uint32_t GetSampleFrameCount(PP_Resource config_id) { | 68 uint32_t GetSampleFrameCount(PP_Resource config_id) { |
| 66 scoped_refptr<AudioConfig> config = Resource::GetAs<AudioConfig>(config_id); | 69 scoped_refptr<PPB_AudioConfig_Impl> config = |
| 70 Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
| 67 return config ? config->sample_frame_count() : 0; | 71 return config ? config->sample_frame_count() : 0; |
| 68 } | 72 } |
| 69 | 73 |
| 70 const PPB_AudioConfig_Dev ppb_audioconfig = { | 74 const PPB_AudioConfig_Dev ppb_audioconfig = { |
| 71 &CreateStereo16bit, | 75 &CreateStereo16bit, |
| 72 &RecommendSampleFrameCount, | 76 &RecommendSampleFrameCount, |
| 73 &IsAudioConfig, | 77 &IsAudioConfig, |
| 74 &GetSampleRate, | 78 &GetSampleRate, |
| 75 &GetSampleFrameCount | 79 &GetSampleFrameCount |
| 76 }; | 80 }; |
| 77 | 81 |
| 78 // PPB_Audio ------------------------------------------------------------------- | 82 // PPB_Audio ------------------------------------------------------------------- |
| 79 | 83 |
| 80 PP_Resource Create(PP_Instance instance_id, PP_Resource config_id, | 84 PP_Resource Create(PP_Instance instance_id, PP_Resource config_id, |
| 81 PPB_Audio_Callback user_callback, void* user_data) { | 85 PPB_Audio_Callback user_callback, void* user_data) { |
| 82 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 86 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
| 83 if (!instance) | 87 if (!instance) |
| 84 return 0; | 88 return 0; |
| 85 if (!user_callback) | 89 if (!user_callback) |
| 86 return 0; | 90 return 0; |
| 87 scoped_refptr<Audio> audio(new Audio(instance->module(), instance_id)); | 91 scoped_refptr<PPB_Audio_Impl> audio( |
| 92 new PPB_Audio_Impl(instance->module(), instance_id)); |
| 88 if (!audio->Init(instance->delegate(), config_id, | 93 if (!audio->Init(instance->delegate(), config_id, |
| 89 user_callback, user_data)) | 94 user_callback, user_data)) |
| 90 return 0; | 95 return 0; |
| 91 return audio->GetReference(); | 96 return audio->GetReference(); |
| 92 } | 97 } |
| 93 | 98 |
| 94 PP_Bool IsAudio(PP_Resource resource) { | 99 PP_Bool IsAudio(PP_Resource resource) { |
| 95 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(resource); | 100 scoped_refptr<PPB_Audio_Impl> audio = |
| 101 Resource::GetAs<PPB_Audio_Impl>(resource); |
| 96 return BoolToPPBool(!!audio); | 102 return BoolToPPBool(!!audio); |
| 97 } | 103 } |
| 98 | 104 |
| 99 PP_Resource GetCurrentConfig(PP_Resource audio_id) { | 105 PP_Resource GetCurrentConfig(PP_Resource audio_id) { |
| 100 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 106 scoped_refptr<PPB_Audio_Impl> audio = Resource::GetAs<PPB_Audio_Impl>(audio_id
); |
| 101 return audio ? audio->GetCurrentConfig() : 0; | 107 return audio ? audio->GetCurrentConfig() : 0; |
| 102 } | 108 } |
| 103 | 109 |
| 104 PP_Bool StartPlayback(PP_Resource audio_id) { | 110 PP_Bool StartPlayback(PP_Resource audio_id) { |
| 105 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 111 scoped_refptr<PPB_Audio_Impl> audio = |
| 112 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
| 106 return audio ? BoolToPPBool(audio->StartPlayback()) : PP_FALSE; | 113 return audio ? BoolToPPBool(audio->StartPlayback()) : PP_FALSE; |
| 107 } | 114 } |
| 108 | 115 |
| 109 PP_Bool StopPlayback(PP_Resource audio_id) { | 116 PP_Bool StopPlayback(PP_Resource audio_id) { |
| 110 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 117 scoped_refptr<PPB_Audio_Impl> audio = |
| 118 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
| 111 return audio ? BoolToPPBool(audio->StopPlayback()) : PP_FALSE; | 119 return audio ? BoolToPPBool(audio->StopPlayback()) : PP_FALSE; |
| 112 } | 120 } |
| 113 | 121 |
| 114 const PPB_Audio_Dev ppb_audio = { | 122 const PPB_Audio_Dev ppb_audio = { |
| 115 &Create, | 123 &Create, |
| 116 &IsAudio, | 124 &IsAudio, |
| 117 &GetCurrentConfig, | 125 &GetCurrentConfig, |
| 118 &StartPlayback, | 126 &StartPlayback, |
| 119 &StopPlayback, | 127 &StopPlayback, |
| 120 }; | 128 }; |
| 121 | 129 |
| 122 // PPB_AudioTrusted ------------------------------------------------------------ | 130 // PPB_AudioTrusted ------------------------------------------------------------ |
| 123 | 131 |
| 124 PP_Resource CreateTrusted(PP_Instance instance_id) { | 132 PP_Resource CreateTrusted(PP_Instance instance_id) { |
| 125 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 133 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
| 126 if (!instance) | 134 if (!instance) |
| 127 return 0; | 135 return 0; |
| 128 scoped_refptr<Audio> audio(new Audio(instance->module(), instance_id)); | 136 scoped_refptr<PPB_Audio_Impl> audio(new PPB_Audio_Impl(instance->module(), ins
tance_id)); |
| 129 return audio->GetReference(); | 137 return audio->GetReference(); |
| 130 } | 138 } |
| 131 | 139 |
| 132 int32_t Open(PP_Resource audio_id, | 140 int32_t Open(PP_Resource audio_id, |
| 133 PP_Resource config_id, | 141 PP_Resource config_id, |
| 134 PP_CompletionCallback created) { | 142 PP_CompletionCallback created) { |
| 135 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 143 scoped_refptr<PPB_Audio_Impl> audio = |
| 144 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
| 136 if (!audio) | 145 if (!audio) |
| 137 return PP_ERROR_BADRESOURCE; | 146 return PP_ERROR_BADRESOURCE; |
| 138 if (!created.func) | 147 if (!created.func) |
| 139 return PP_ERROR_BADARGUMENT; | 148 return PP_ERROR_BADARGUMENT; |
| 140 PP_Instance instance_id = audio->pp_instance(); | 149 PP_Instance instance_id = audio->pp_instance(); |
| 141 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | 150 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); |
| 142 if (!instance) | 151 if (!instance) |
| 143 return PP_ERROR_FAILED; | 152 return PP_ERROR_FAILED; |
| 144 return audio->Open(instance->delegate(), config_id, created); | 153 return audio->Open(instance->delegate(), config_id, created); |
| 145 } | 154 } |
| 146 | 155 |
| 147 int32_t GetSyncSocket(PP_Resource audio_id, int* sync_socket) { | 156 int32_t GetSyncSocket(PP_Resource audio_id, int* sync_socket) { |
| 148 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 157 scoped_refptr<PPB_Audio_Impl> audio = |
| 158 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
| 149 if (audio) | 159 if (audio) |
| 150 return audio->GetSyncSocket(sync_socket); | 160 return audio->GetSyncSocket(sync_socket); |
| 151 return PP_ERROR_BADRESOURCE; | 161 return PP_ERROR_BADRESOURCE; |
| 152 } | 162 } |
| 153 | 163 |
| 154 int32_t GetSharedMemory(PP_Resource audio_id, | 164 int32_t GetSharedMemory(PP_Resource audio_id, |
| 155 int* shm_handle, | 165 int* shm_handle, |
| 156 uint32_t* shm_size) { | 166 uint32_t* shm_size) { |
| 157 scoped_refptr<Audio> audio = Resource::GetAs<Audio>(audio_id); | 167 scoped_refptr<PPB_Audio_Impl> audio = |
| 168 Resource::GetAs<PPB_Audio_Impl>(audio_id); |
| 158 if (audio) | 169 if (audio) |
| 159 return audio->GetSharedMemory(shm_handle, shm_size); | 170 return audio->GetSharedMemory(shm_handle, shm_size); |
| 160 return PP_ERROR_BADRESOURCE; | 171 return PP_ERROR_BADRESOURCE; |
| 161 } | 172 } |
| 162 | 173 |
| 163 const PPB_AudioTrusted_Dev ppb_audiotrusted = { | 174 const PPB_AudioTrusted_Dev ppb_audiotrusted = { |
| 164 &CreateTrusted, | 175 &CreateTrusted, |
| 165 &Open, | 176 &Open, |
| 166 &GetSyncSocket, | 177 &GetSyncSocket, |
| 167 &GetSharedMemory, | 178 &GetSharedMemory, |
| 168 }; | 179 }; |
| 169 | 180 |
| 170 } // namespace | 181 } // namespace |
| 171 | 182 |
| 172 // AudioConfig ----------------------------------------------------------------- | 183 // PPB_AudioConfig_Impl -------------------------------------------------------- |
| 173 | 184 |
| 174 AudioConfig::AudioConfig(PluginModule* module, | 185 PPB_AudioConfig_Impl::PPB_AudioConfig_Impl( |
| 175 PP_AudioSampleRate_Dev sample_rate, | 186 PluginModule* module, |
| 176 uint32_t sample_frame_count) | 187 PP_AudioSampleRate_Dev sample_rate, |
| 188 uint32_t sample_frame_count) |
| 177 : Resource(module), | 189 : Resource(module), |
| 178 sample_rate_(sample_rate), | 190 sample_rate_(sample_rate), |
| 179 sample_frame_count_(sample_frame_count) { | 191 sample_frame_count_(sample_frame_count) { |
| 180 } | 192 } |
| 181 | 193 |
| 182 const PPB_AudioConfig_Dev* AudioConfig::GetInterface() { | 194 const PPB_AudioConfig_Dev* PPB_AudioConfig_Impl::GetInterface() { |
| 183 return &ppb_audioconfig; | 195 return &ppb_audioconfig; |
| 184 } | 196 } |
| 185 | 197 |
| 186 size_t AudioConfig::BufferSize() { | 198 size_t PPB_AudioConfig_Impl::BufferSize() { |
| 187 // TODO(audio): as more options become available, we'll need to | 199 // TODO(audio): as more options become available, we'll need to |
| 188 // have additional code here to correctly calculate the size in | 200 // have additional code here to correctly calculate the size in |
| 189 // bytes of an audio buffer. For now, only support two channel | 201 // bytes of an audio buffer. For now, only support two channel |
| 190 // int16_t sample buffers. | 202 // int16_t sample buffers. |
| 191 const int kChannels = 2; | 203 const int kChannels = 2; |
| 192 const int kSizeOfSample = sizeof(int16_t); | 204 const int kSizeOfSample = sizeof(int16_t); |
| 193 return static_cast<size_t>(sample_frame_count_ * kSizeOfSample * kChannels); | 205 return static_cast<size_t>(sample_frame_count_ * kSizeOfSample * kChannels); |
| 194 } | 206 } |
| 195 | 207 |
| 196 AudioConfig* AudioConfig::AsAudioConfig() { | 208 PPB_AudioConfig_Impl* PPB_AudioConfig_Impl::AsAudioConfig() { |
| 197 return this; | 209 return this; |
| 198 } | 210 } |
| 199 | 211 |
| 200 // Audio ----------------------------------------------------------------------- | 212 // PPB_Audio_Impl -------------------------------------------------------------- |
| 201 | 213 |
| 202 Audio::Audio(PluginModule* module, PP_Instance instance_id) | 214 PPB_Audio_Impl::PPB_Audio_Impl(PluginModule* module, PP_Instance instance_id) |
| 203 : Resource(module), | 215 : Resource(module), |
| 204 pp_instance_(instance_id), | 216 pp_instance_(instance_id), |
| 205 audio_(NULL), | 217 audio_(NULL), |
| 206 create_callback_pending_(false) { | 218 create_callback_pending_(false) { |
| 207 create_callback_ = PP_MakeCompletionCallback(NULL, NULL); | 219 create_callback_ = PP_MakeCompletionCallback(NULL, NULL); |
| 208 } | 220 } |
| 209 | 221 |
| 210 Audio::~Audio() { | 222 PPB_Audio_Impl::~PPB_Audio_Impl() { |
| 211 // Calling ShutDown() makes sure StreamCreated cannot be called anymore. | 223 // Calling ShutDown() makes sure StreamCreated cannot be called anymore. |
| 212 audio_->ShutDown(); | 224 audio_->ShutDown(); |
| 213 audio_ = NULL; | 225 audio_ = NULL; |
| 214 | 226 |
| 215 // If the completion callback hasn't fired yet, do so here | 227 // If the completion callback hasn't fired yet, do so here |
| 216 // with an error condition. | 228 // with an error condition. |
| 217 if (create_callback_pending_) { | 229 if (create_callback_pending_) { |
| 218 PP_RunCompletionCallback(&create_callback_, PP_ERROR_ABORTED); | 230 PP_RunCompletionCallback(&create_callback_, PP_ERROR_ABORTED); |
| 219 create_callback_pending_ = false; | 231 create_callback_pending_ = false; |
| 220 } | 232 } |
| 221 } | 233 } |
| 222 | 234 |
| 223 const PPB_Audio_Dev* Audio::GetInterface() { | 235 const PPB_Audio_Dev* PPB_Audio_Impl::GetInterface() { |
| 224 return &ppb_audio; | 236 return &ppb_audio; |
| 225 } | 237 } |
| 226 | 238 |
| 227 const PPB_AudioTrusted_Dev* Audio::GetTrustedInterface() { | 239 const PPB_AudioTrusted_Dev* PPB_Audio_Impl::GetTrustedInterface() { |
| 228 return &ppb_audiotrusted; | 240 return &ppb_audiotrusted; |
| 229 } | 241 } |
| 230 | 242 |
| 231 Audio* Audio::AsAudio() { | 243 PPB_Audio_Impl* PPB_Audio_Impl::AsAudio() { |
| 232 return this; | 244 return this; |
| 233 } | 245 } |
| 234 | 246 |
| 235 bool Audio::Init(PluginDelegate* plugin_delegate, | 247 bool PPB_Audio_Impl::Init(PluginDelegate* plugin_delegate, |
| 236 PP_Resource config_id, | 248 PP_Resource config_id, |
| 237 PPB_Audio_Callback callback, void* user_data) { | 249 PPB_Audio_Callback callback, void* user_data) { |
| 238 CHECK(!audio_); | 250 CHECK(!audio_); |
| 239 config_ = Resource::GetAs<AudioConfig>(config_id); | 251 config_ = Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
| 240 if (!config_) | 252 if (!config_) |
| 241 return false; | 253 return false; |
| 242 SetCallback(callback, user_data); | 254 SetCallback(callback, user_data); |
| 243 | 255 |
| 244 // When the stream is created, we'll get called back on StreamCreated(). | 256 // When the stream is created, we'll get called back on StreamCreated(). |
| 245 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), | 257 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), |
| 246 config_->sample_frame_count(), | 258 config_->sample_frame_count(), |
| 247 this); | 259 this); |
| 248 return audio_ != NULL; | 260 return audio_ != NULL; |
| 249 } | 261 } |
| 250 | 262 |
| 251 PP_Resource Audio::GetCurrentConfig() { | 263 PP_Resource PPB_Audio_Impl::GetCurrentConfig() { |
| 252 return config_->GetReference(); | 264 return config_->GetReference(); |
| 253 } | 265 } |
| 254 | 266 |
| 255 bool Audio::StartPlayback() { | 267 bool PPB_Audio_Impl::StartPlayback() { |
| 256 if (playing()) | 268 if (playing()) |
| 257 return true; | 269 return true; |
| 258 SetStartPlaybackState(); | 270 SetStartPlaybackState(); |
| 259 return audio_->StartPlayback(); | 271 return audio_->StartPlayback(); |
| 260 } | 272 } |
| 261 | 273 |
| 262 bool Audio::StopPlayback() { | 274 bool PPB_Audio_Impl::StopPlayback() { |
| 263 if (!playing()) | 275 if (!playing()) |
| 264 return true; | 276 return true; |
| 265 if (!audio_->StopPlayback()) | 277 if (!audio_->StopPlayback()) |
| 266 return false; | 278 return false; |
| 267 SetStopPlaybackState(); | 279 SetStopPlaybackState(); |
| 268 return true; | 280 return true; |
| 269 } | 281 } |
| 270 | 282 |
| 271 int32_t Audio::Open(PluginDelegate* plugin_delegate, | 283 int32_t PPB_Audio_Impl::Open(PluginDelegate* plugin_delegate, |
| 272 PP_Resource config_id, | 284 PP_Resource config_id, |
| 273 PP_CompletionCallback create_callback) { | 285 PP_CompletionCallback create_callback) { |
| 274 DCHECK(!audio_); | 286 DCHECK(!audio_); |
| 275 config_ = Resource::GetAs<AudioConfig>(config_id); | 287 config_ = Resource::GetAs<PPB_AudioConfig_Impl>(config_id); |
| 276 if (!config_) | 288 if (!config_) |
| 277 return PP_ERROR_BADRESOURCE; | 289 return PP_ERROR_BADRESOURCE; |
| 278 | 290 |
| 279 // When the stream is created, we'll get called back on StreamCreated(). | 291 // When the stream is created, we'll get called back on StreamCreated(). |
| 280 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), | 292 audio_ = plugin_delegate->CreateAudio(config_->sample_rate(), |
| 281 config_->sample_frame_count(), | 293 config_->sample_frame_count(), |
| 282 this); | 294 this); |
| 283 if (!audio_) | 295 if (!audio_) |
| 284 return PP_ERROR_FAILED; | 296 return PP_ERROR_FAILED; |
| 285 | 297 |
| 286 // At this point, we are guaranteeing ownership of the completion | 298 // At this point, we are guaranteeing ownership of the completion |
| 287 // callback. Audio promises to fire the completion callback | 299 // callback. Audio promises to fire the completion callback |
| 288 // once and only once. | 300 // once and only once. |
| 289 create_callback_ = create_callback; | 301 create_callback_ = create_callback; |
| 290 create_callback_pending_ = true; | 302 create_callback_pending_ = true; |
| 291 return PP_ERROR_WOULDBLOCK; | 303 return PP_ERROR_WOULDBLOCK; |
| 292 } | 304 } |
| 293 | 305 |
| 294 int32_t Audio::GetSyncSocket(int* sync_socket) { | 306 int32_t PPB_Audio_Impl::GetSyncSocket(int* sync_socket) { |
| 295 if (socket_for_create_callback_.get()) { | 307 if (socket_for_create_callback_.get()) { |
| 296 #if defined(OS_POSIX) | 308 #if defined(OS_POSIX) |
| 297 *sync_socket = socket_for_create_callback_->handle(); | 309 *sync_socket = socket_for_create_callback_->handle(); |
| 298 #elif defined(OS_WIN) | 310 #elif defined(OS_WIN) |
| 299 *sync_socket = reinterpret_cast<int>(socket_for_create_callback_->handle()); | 311 *sync_socket = reinterpret_cast<int>(socket_for_create_callback_->handle()); |
| 300 #else | 312 #else |
| 301 #error "Platform not supported." | 313 #error "Platform not supported." |
| 302 #endif | 314 #endif |
| 303 return PP_OK; | 315 return PP_OK; |
| 304 } | 316 } |
| 305 return PP_ERROR_FAILED; | 317 return PP_ERROR_FAILED; |
| 306 } | 318 } |
| 307 | 319 |
| 308 int32_t Audio::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { | 320 int32_t PPB_Audio_Impl::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { |
| 309 if (shared_memory_for_create_callback_.get()) { | 321 if (shared_memory_for_create_callback_.get()) { |
| 310 #if defined(OS_POSIX) | 322 #if defined(OS_POSIX) |
| 311 *shm_handle = shared_memory_for_create_callback_->handle().fd; | 323 *shm_handle = shared_memory_for_create_callback_->handle().fd; |
| 312 #elif defined(OS_WIN) | 324 #elif defined(OS_WIN) |
| 313 *shm_handle = reinterpret_cast<int>( | 325 *shm_handle = reinterpret_cast<int>( |
| 314 shared_memory_for_create_callback_->handle()); | 326 shared_memory_for_create_callback_->handle()); |
| 315 #else | 327 #else |
| 316 #error "Platform not supported." | 328 #error "Platform not supported." |
| 317 #endif | 329 #endif |
| 318 *shm_size = shared_memory_size_for_create_callback_; | 330 *shm_size = shared_memory_size_for_create_callback_; |
| 319 return PP_OK; | 331 return PP_OK; |
| 320 } | 332 } |
| 321 return PP_ERROR_FAILED; | 333 return PP_ERROR_FAILED; |
| 322 } | 334 } |
| 323 | 335 |
| 324 void Audio::StreamCreated(base::SharedMemoryHandle shared_memory_handle, | 336 void PPB_Audio_Impl::StreamCreated( |
| 325 size_t shared_memory_size, | 337 base::SharedMemoryHandle shared_memory_handle, |
| 326 base::SyncSocket::Handle socket_handle) { | 338 size_t shared_memory_size, |
| 339 base::SyncSocket::Handle socket_handle) { |
| 327 if (create_callback_pending_) { | 340 if (create_callback_pending_) { |
| 328 // Trusted side of proxy can specify a callback to recieve handles. In | 341 // 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 | 342 // this case we don't need to map any data or start the thread since it |
| 330 // will be handled by the proxy. | 343 // will be handled by the proxy. |
| 331 shared_memory_for_create_callback_.reset( | 344 shared_memory_for_create_callback_.reset( |
| 332 new base::SharedMemory(shared_memory_handle, false)); | 345 new base::SharedMemory(shared_memory_handle, false)); |
| 333 shared_memory_size_for_create_callback_ = shared_memory_size; | 346 shared_memory_size_for_create_callback_ = shared_memory_size; |
| 334 socket_for_create_callback_.reset(new base::SyncSocket(socket_handle)); | 347 socket_for_create_callback_.reset(new base::SyncSocket(socket_handle)); |
| 335 | 348 |
| 336 PP_RunCompletionCallback(&create_callback_, 0); | 349 PP_RunCompletionCallback(&create_callback_, 0); |
| 337 create_callback_pending_ = false; | 350 create_callback_pending_ = false; |
| 338 | 351 |
| 339 // It might be nice to close the handles here to free up some system | 352 // 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 | 353 // 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 | 354 // 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 | 355 // 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 | 356 // 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 | 357 // the I/O thread and back, but this extra complexity doesn't seem worth it |
| 345 // just to clean up these handles faster. | 358 // just to clean up these handles faster. |
| 346 } else { | 359 } else { |
| 347 SetStreamInfo(shared_memory_handle, shared_memory_size, socket_handle); | 360 SetStreamInfo(shared_memory_handle, shared_memory_size, socket_handle); |
| 348 } | 361 } |
| 349 } | 362 } |
| 350 | 363 |
| 351 } // namespace pepper | 364 } // namespace ppapi |
| 365 } // namespace plugins |
| 366 } // namespace webkit |
| 367 |
| OLD | NEW |