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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "device/bluetooth/bluez/bluetooth_audio_sink_bluez.h" | |
| 6 | |
| 7 #include <unistd.h> | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <sstream> | |
| 11 #include <string> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/debug/stack_trace.h" | |
| 15 #include "base/files/file_util.h" | |
| 16 #include "base/logging.h" | |
| 17 #include "dbus/message.h" | |
| 18 #include "device/bluetooth/bluez/bluetooth_adapter_bluez.h" | |
| 19 #include "device/bluetooth/dbus/bluez_dbus_manager.h" | |
| 20 | |
| 21 using dbus::ObjectPath; | |
| 22 using device::BluetoothAudioSink; | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 // TODO(mcchou): Add the constant to dbus/service_constants.h. | |
| 27 const char kBluetoothAudioSinkServicePath[] = "/org/chromium/AudioSink"; | |
| 28 | |
| 29 const uint16_t kInvalidReadMtu = 0; | |
| 30 const uint16_t kInvalidWriteMtu = 0; | |
| 31 | |
| 32 ObjectPath GenerateEndpointPath() { | |
| 33 static unsigned int sequence_number = 0; | |
| 34 ++sequence_number; | |
| 35 std::stringstream path; | |
| 36 path << kBluetoothAudioSinkServicePath << "/endpoint" << sequence_number; | |
| 37 return ObjectPath(path.str()); | |
| 38 } | |
| 39 | |
| 40 std::string StateToString(const BluetoothAudioSink::State& state) { | |
| 41 switch (state) { | |
| 42 case BluetoothAudioSink::STATE_INVALID: | |
| 43 return "invalid"; | |
| 44 case BluetoothAudioSink::STATE_DISCONNECTED: | |
| 45 return "disconnected"; | |
| 46 case BluetoothAudioSink::STATE_IDLE: | |
| 47 return "idle"; | |
| 48 case BluetoothAudioSink::STATE_PENDING: | |
| 49 return "pending"; | |
| 50 case BluetoothAudioSink::STATE_ACTIVE: | |
| 51 return "active"; | |
| 52 default: | |
| 53 return "unknown"; | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 std::string ErrorCodeToString(const BluetoothAudioSink::ErrorCode& error_code) { | |
| 58 switch (error_code) { | |
| 59 case BluetoothAudioSink::ERROR_UNSUPPORTED_PLATFORM: | |
| 60 return "unsupported platform"; | |
| 61 case BluetoothAudioSink::ERROR_INVALID_ADAPTER: | |
| 62 return "invalid adapter"; | |
| 63 case BluetoothAudioSink::ERROR_NOT_REGISTERED: | |
| 64 return "not registered"; | |
| 65 case BluetoothAudioSink::ERROR_NOT_UNREGISTERED: | |
| 66 return "not unregistered"; | |
| 67 default: | |
| 68 return "unknown"; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 // A dummy error callback for calling Unregister() in destructor. | |
| 73 void UnregisterErrorCallback(device::BluetoothAudioSink::ErrorCode error_code) { | |
| 74 VLOG(1) << "UnregisterErrorCallback - " << ErrorCodeToString(error_code) | |
| 75 << "(" << error_code << ")"; | |
| 76 } | |
| 77 | |
| 78 } // namespace | |
| 79 | |
| 80 namespace bluez { | |
| 81 | |
| 82 BluetoothAudioSinkBlueZ::BluetoothAudioSinkBlueZ( | |
| 83 scoped_refptr<device::BluetoothAdapter> adapter) | |
| 84 : state_(BluetoothAudioSink::STATE_INVALID), | |
| 85 volume_(BluetoothAudioSink::kInvalidVolume), | |
| 86 read_mtu_(kInvalidReadMtu), | |
| 87 write_mtu_(kInvalidWriteMtu), | |
| 88 read_has_failed_(false), | |
| 89 adapter_(adapter), | |
| 90 weak_ptr_factory_(this) { | |
| 91 VLOG(1) << "BluetoothAudioSinkBlueZ created"; | |
| 92 | |
| 93 CHECK(adapter_.get()); | |
| 94 CHECK(adapter_->IsPresent()); | |
| 95 CHECK(bluez::BluezDBusManager::IsInitialized()); | |
| 96 | |
| 97 adapter_->AddObserver(this); | |
| 98 | |
| 99 bluez::BluetoothMediaClient* media = | |
| 100 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 101 CHECK(media); | |
| 102 media->AddObserver(this); | |
| 103 | |
| 104 bluez::BluetoothMediaTransportClient* transport = | |
| 105 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient(); | |
| 106 CHECK(transport); | |
| 107 transport->AddObserver(this); | |
| 108 | |
| 109 StateChanged(device::BluetoothAudioSink::STATE_DISCONNECTED); | |
| 110 } | |
| 111 | |
| 112 BluetoothAudioSinkBlueZ::~BluetoothAudioSinkBlueZ() { | |
| 113 VLOG(1) << "BluetoothAudioSinkBlueZ destroyed"; | |
| 114 | |
| 115 DCHECK(adapter_.get()); | |
| 116 | |
| 117 if (state_ != BluetoothAudioSink::STATE_INVALID && media_endpoint_.get()) { | |
| 118 Unregister(base::Bind(&base::DoNothing), | |
| 119 base::Bind(&UnregisterErrorCallback)); | |
| 120 } | |
| 121 | |
| 122 adapter_->RemoveObserver(this); | |
| 123 | |
| 124 bluez::BluetoothMediaClient* media = | |
| 125 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 126 CHECK(media); | |
| 127 media->RemoveObserver(this); | |
| 128 | |
| 129 bluez::BluetoothMediaTransportClient* transport = | |
| 130 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient(); | |
| 131 CHECK(transport); | |
| 132 transport->RemoveObserver(this); | |
| 133 } | |
| 134 | |
| 135 void BluetoothAudioSinkBlueZ::Unregister( | |
| 136 const base::Closure& callback, | |
| 137 const device::BluetoothAudioSink::ErrorCallback& error_callback) { | |
| 138 VLOG(1) << "Unregister"; | |
| 139 | |
| 140 if (!bluez::BluezDBusManager::IsInitialized()) | |
| 141 error_callback.Run(BluetoothAudioSink::ERROR_NOT_UNREGISTERED); | |
| 142 | |
| 143 bluez::BluetoothMediaClient* media = | |
| 144 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 145 CHECK(media); | |
| 146 | |
| 147 media->UnregisterEndpoint( | |
| 148 media_path_, endpoint_path_, | |
| 149 base::Bind(&BluetoothAudioSinkBlueZ::OnUnregisterSucceeded, | |
| 150 weak_ptr_factory_.GetWeakPtr(), callback), | |
| 151 base::Bind(&BluetoothAudioSinkBlueZ::OnUnregisterFailed, | |
| 152 weak_ptr_factory_.GetWeakPtr(), error_callback)); | |
| 153 } | |
| 154 | |
| 155 void BluetoothAudioSinkBlueZ::AddObserver( | |
| 156 BluetoothAudioSink::Observer* observer) { | |
| 157 CHECK(observer); | |
| 158 observers_.AddObserver(observer); | |
| 159 } | |
| 160 | |
| 161 void BluetoothAudioSinkBlueZ::RemoveObserver( | |
| 162 BluetoothAudioSink::Observer* observer) { | |
| 163 CHECK(observer); | |
| 164 observers_.RemoveObserver(observer); | |
| 165 } | |
| 166 | |
| 167 BluetoothAudioSink::State BluetoothAudioSinkBlueZ::GetState() const { | |
| 168 return state_; | |
| 169 } | |
| 170 | |
| 171 uint16_t BluetoothAudioSinkBlueZ::GetVolume() const { | |
| 172 return volume_; | |
| 173 } | |
| 174 | |
| 175 void BluetoothAudioSinkBlueZ::Register( | |
| 176 const BluetoothAudioSink::Options& options, | |
| 177 const base::Closure& callback, | |
| 178 const BluetoothAudioSink::ErrorCallback& error_callback) { | |
| 179 VLOG(1) << "Register"; | |
| 180 | |
| 181 DCHECK(adapter_.get()); | |
| 182 DCHECK_EQ(state_, BluetoothAudioSink::STATE_DISCONNECTED); | |
| 183 | |
| 184 // Gets system bus. | |
| 185 dbus::Bus* system_bus = bluez::BluezDBusManager::Get()->GetSystemBus(); | |
| 186 | |
| 187 // Creates a Media Endpoint with newly-generated path. | |
| 188 endpoint_path_ = GenerateEndpointPath(); | |
| 189 media_endpoint_.reset(bluez::BluetoothMediaEndpointServiceProvider::Create( | |
| 190 system_bus, endpoint_path_, this)); | |
| 191 | |
| 192 DCHECK(media_endpoint_.get()); | |
| 193 | |
| 194 // Creates endpoint properties with |options|. | |
| 195 options_ = options; | |
| 196 bluez::BluetoothMediaClient::EndpointProperties endpoint_properties; | |
| 197 endpoint_properties.uuid = | |
| 198 bluez::BluetoothMediaClient::kBluetoothAudioSinkUUID; | |
| 199 endpoint_properties.codec = options_.codec; | |
| 200 endpoint_properties.capabilities = options_.capabilities; | |
| 201 | |
| 202 media_path_ = | |
| 203 static_cast<BluetoothAdapterBlueZ*>(adapter_.get())->object_path(); | |
| 204 | |
| 205 bluez::BluetoothMediaClient* media = | |
| 206 bluez::BluezDBusManager::Get()->GetBluetoothMediaClient(); | |
| 207 CHECK(media); | |
| 208 media->RegisterEndpoint( | |
| 209 media_path_, endpoint_path_, endpoint_properties, | |
| 210 base::Bind(&BluetoothAudioSinkBlueZ::OnRegisterSucceeded, | |
| 211 weak_ptr_factory_.GetWeakPtr(), callback), | |
| 212 base::Bind(&BluetoothAudioSinkBlueZ::OnRegisterFailed, | |
| 213 weak_ptr_factory_.GetWeakPtr(), error_callback)); | |
| 214 } | |
| 215 | |
| 216 bluez::BluetoothMediaEndpointServiceProvider* | |
| 217 BluetoothAudioSinkBlueZ::GetEndpointServiceProvider() { | |
| 218 return media_endpoint_.get(); | |
| 219 } | |
| 220 | |
| 221 void BluetoothAudioSinkBlueZ::AdapterPresentChanged( | |
| 222 device::BluetoothAdapter* adapter, | |
| 223 bool present) { | |
| 224 VLOG(1) << "AdapterPresentChanged: " << present; | |
| 225 | |
| 226 if (adapter != adapter_.get()) | |
| 227 return; | |
| 228 | |
| 229 if (adapter->IsPresent()) { | |
| 230 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 231 } else { | |
| 232 adapter_->RemoveObserver(this); | |
| 233 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 void BluetoothAudioSinkBlueZ::AdapterPoweredChanged( | |
| 238 device::BluetoothAdapter* adapter, | |
| 239 bool powered) { | |
| 240 VLOG(1) << "AdapterPoweredChanged: " << powered; | |
| 241 | |
| 242 if (adapter != adapter_.get()) | |
| 243 return; | |
| 244 | |
| 245 // Regardless of the new powered state, |state_| goes to STATE_DISCONNECTED. | |
| 246 // If false, the transport is closed, but the endpoint is still valid for use. | |
| 247 // If true, the previous transport has been torn down, so the |state_| has to | |
| 248 // be disconnected before SetConfigruation is called. | |
| 249 if (state_ != BluetoothAudioSink::STATE_INVALID) | |
| 250 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 251 } | |
| 252 | |
| 253 void BluetoothAudioSinkBlueZ::MediaRemoved(const ObjectPath& object_path) { | |
| 254 if (object_path == media_path_) { | |
| 255 VLOG(1) << "MediaRemoved: " << object_path.value(); | |
| 256 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 void BluetoothAudioSinkBlueZ::MediaTransportRemoved( | |
| 261 const ObjectPath& object_path) { | |
| 262 // Whenever powered of |adapter_| turns false while present stays true, media | |
| 263 // transport object should be removed accordingly, and the state should be | |
| 264 // changed to STATE_DISCONNECTED. | |
| 265 if (object_path == transport_path_) { | |
| 266 VLOG(1) << "MediaTransportRemoved: " << object_path.value(); | |
| 267 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 268 } | |
| 269 } | |
| 270 | |
| 271 void BluetoothAudioSinkBlueZ::MediaTransportPropertyChanged( | |
| 272 const ObjectPath& object_path, | |
| 273 const std::string& property_name) { | |
| 274 if (object_path != transport_path_) | |
| 275 return; | |
| 276 | |
| 277 VLOG(1) << "MediaTransportPropertyChanged: " << property_name; | |
| 278 | |
| 279 // Retrieves the property set of the transport object with |object_path|. | |
| 280 bluez::BluetoothMediaTransportClient::Properties* properties = | |
| 281 bluez::BluezDBusManager::Get() | |
| 282 ->GetBluetoothMediaTransportClient() | |
| 283 ->GetProperties(object_path); | |
| 284 | |
| 285 // Dispatches a property changed event to the corresponding handler. | |
| 286 if (property_name == properties->state.name()) { | |
| 287 if (properties->state.value() == | |
| 288 bluez::BluetoothMediaTransportClient::kStateIdle) { | |
| 289 StateChanged(BluetoothAudioSink::STATE_IDLE); | |
| 290 } else if (properties->state.value() == | |
| 291 bluez::BluetoothMediaTransportClient::kStatePending) { | |
| 292 StateChanged(BluetoothAudioSink::STATE_PENDING); | |
| 293 } else if (properties->state.value() == | |
| 294 bluez::BluetoothMediaTransportClient::kStateActive) { | |
| 295 StateChanged(BluetoothAudioSink::STATE_ACTIVE); | |
| 296 } | |
| 297 } else if (property_name == properties->volume.name()) { | |
| 298 VolumeChanged(properties->volume.value()); | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 void BluetoothAudioSinkBlueZ::SetConfiguration( | |
| 303 const ObjectPath& transport_path, | |
| 304 const TransportProperties& properties) { | |
| 305 VLOG(1) << "SetConfiguration"; | |
| 306 transport_path_ = transport_path; | |
| 307 | |
| 308 // The initial state for a connection should be "idle". | |
| 309 if (properties.state != bluez::BluetoothMediaTransportClient::kStateIdle) { | |
| 310 VLOG(1) << "SetConfiugration - unexpected state :" << properties.state; | |
| 311 return; | |
| 312 } | |
| 313 | |
| 314 // Updates |volume_| if the volume level is provided in |properties|. | |
| 315 if (properties.volume.get()) { | |
| 316 VolumeChanged(*properties.volume); | |
| 317 } | |
| 318 | |
| 319 StateChanged(BluetoothAudioSink::STATE_IDLE); | |
| 320 } | |
| 321 | |
| 322 void BluetoothAudioSinkBlueZ::SelectConfiguration( | |
| 323 const std::vector<uint8_t>& capabilities, | |
| 324 const SelectConfigurationCallback& callback) { | |
| 325 VLOG(1) << "SelectConfiguration"; | |
| 326 callback.Run(options_.capabilities); | |
| 327 } | |
| 328 | |
| 329 void BluetoothAudioSinkBlueZ::ClearConfiguration( | |
| 330 const ObjectPath& transport_path) { | |
| 331 if (transport_path != transport_path_) | |
| 332 return; | |
| 333 | |
| 334 VLOG(1) << "ClearConfiguration"; | |
| 335 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 336 } | |
| 337 | |
| 338 void BluetoothAudioSinkBlueZ::Released() { | |
| 339 VLOG(1) << "Released"; | |
| 340 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 341 } | |
| 342 | |
| 343 void BluetoothAudioSinkBlueZ::OnFileCanReadWithoutBlocking(int fd) { | |
| 344 ReadFromFile(); | |
| 345 } | |
| 346 | |
| 347 void BluetoothAudioSinkBlueZ::OnFileCanWriteWithoutBlocking(int fd) { | |
| 348 // Do nothing for now. | |
| 349 } | |
| 350 | |
| 351 void BluetoothAudioSinkBlueZ::AcquireFD() { | |
| 352 VLOG(1) << "AcquireFD - transport path: " << transport_path_.value(); | |
| 353 | |
| 354 read_has_failed_ = false; | |
| 355 | |
| 356 bluez::BluezDBusManager::Get()->GetBluetoothMediaTransportClient()->Acquire( | |
| 357 transport_path_, base::Bind(&BluetoothAudioSinkBlueZ::OnAcquireSucceeded, | |
| 358 weak_ptr_factory_.GetWeakPtr()), | |
| 359 base::Bind(&BluetoothAudioSinkBlueZ::OnAcquireFailed, | |
| 360 weak_ptr_factory_.GetWeakPtr())); | |
| 361 } | |
| 362 | |
| 363 void BluetoothAudioSinkBlueZ::WatchFD() { | |
| 364 CHECK(file_.get() && file_->IsValid()); | |
| 365 | |
| 366 VLOG(1) << "WatchFD - file: " << file_->GetPlatformFile() | |
| 367 << ", file validity: " << file_->IsValid(); | |
| 368 | |
| 369 base::MessageLoopForIO::current()->WatchFileDescriptor( | |
| 370 file_->GetPlatformFile(), true, base::MessageLoopForIO::WATCH_READ, | |
| 371 &fd_read_watcher_, this); | |
| 372 } | |
| 373 | |
| 374 void BluetoothAudioSinkBlueZ::StopWatchingFD() { | |
| 375 if (!file_.get()) { | |
| 376 VLOG(1) << "StopWatchingFD - skip"; | |
| 377 return; | |
| 378 } | |
| 379 | |
| 380 bool stopped = fd_read_watcher_.StopWatchingFileDescriptor(); | |
| 381 VLOG(1) << "StopWatchingFD - watch stopped: " << stopped; | |
| 382 CHECK(stopped); | |
| 383 | |
| 384 read_mtu_ = kInvalidReadMtu; | |
| 385 write_mtu_ = kInvalidWriteMtu; | |
| 386 file_.reset(); // This will close the file descriptor. | |
| 387 } | |
| 388 | |
| 389 void BluetoothAudioSinkBlueZ::ReadFromFile() { | |
| 390 DCHECK(file_.get() && file_->IsValid()); | |
| 391 DCHECK(data_.get()); | |
| 392 | |
| 393 int size = file_->ReadAtCurrentPosNoBestEffort(data_.get(), read_mtu_); | |
| 394 | |
| 395 if (size == -1) { | |
| 396 // To reduce the number of logs, log only once for multiple failures. | |
| 397 if (!read_has_failed_) { | |
| 398 VLOG(1) << "ReadFromFile - failed"; | |
| 399 read_has_failed_ = true; | |
| 400 } | |
| 401 return; | |
| 402 } | |
| 403 | |
| 404 VLOG(1) << "ReadFromFile - read " << size << " bytes"; | |
| 405 FOR_EACH_OBSERVER( | |
| 406 BluetoothAudioSink::Observer, observers_, | |
| 407 BluetoothAudioSinkDataAvailable(this, data_.get(), size, read_mtu_)); | |
| 408 } | |
| 409 | |
| 410 void BluetoothAudioSinkBlueZ::StateChanged(BluetoothAudioSink::State state) { | |
| 411 if (state == state_) | |
| 412 return; | |
| 413 | |
| 414 VLOG(1) << "StateChanged - state: " << StateToString(state); | |
| 415 | |
| 416 switch (state) { | |
| 417 case BluetoothAudioSink::STATE_INVALID: | |
| 418 ResetMedia(); | |
| 419 ResetEndpoint(); | |
| 420 case BluetoothAudioSink::STATE_DISCONNECTED: | |
| 421 ResetTransport(); | |
| 422 break; | |
| 423 case BluetoothAudioSink::STATE_IDLE: | |
| 424 StopWatchingFD(); | |
| 425 break; | |
| 426 case BluetoothAudioSink::STATE_PENDING: | |
| 427 AcquireFD(); | |
| 428 break; | |
| 429 case BluetoothAudioSink::STATE_ACTIVE: | |
| 430 WatchFD(); | |
| 431 break; | |
| 432 default: | |
| 433 break; | |
| 434 } | |
| 435 | |
| 436 state_ = state; | |
| 437 FOR_EACH_OBSERVER(BluetoothAudioSink::Observer, observers_, | |
| 438 BluetoothAudioSinkStateChanged(this, state_)); | |
| 439 } | |
| 440 | |
| 441 void BluetoothAudioSinkBlueZ::VolumeChanged(uint16_t volume) { | |
| 442 if (volume == volume_) | |
| 443 return; | |
| 444 | |
| 445 VLOG(1) << "VolumeChanged: " << volume; | |
| 446 | |
| 447 volume_ = std::min(volume, BluetoothAudioSink::kInvalidVolume); | |
| 448 FOR_EACH_OBSERVER(BluetoothAudioSink::Observer, observers_, | |
| 449 BluetoothAudioSinkVolumeChanged(this, volume_)); | |
| 450 } | |
| 451 | |
| 452 void BluetoothAudioSinkBlueZ::OnRegisterSucceeded( | |
| 453 const base::Closure& callback) { | |
| 454 DCHECK(media_endpoint_.get()); | |
| 455 VLOG(1) << "OnRegisterSucceeded"; | |
| 456 | |
| 457 StateChanged(BluetoothAudioSink::STATE_DISCONNECTED); | |
| 458 callback.Run(); | |
| 459 } | |
| 460 | |
| 461 void BluetoothAudioSinkBlueZ::OnRegisterFailed( | |
| 462 const BluetoothAudioSink::ErrorCallback& error_callback, | |
| 463 const std::string& error_name, | |
| 464 const std::string& error_message) { | |
| 465 VLOG(1) << "OnRegisterFailed - error name: " << error_name | |
| 466 << ", error message: " << error_message; | |
| 467 | |
| 468 ResetEndpoint(); | |
| 469 error_callback.Run(BluetoothAudioSink::ERROR_NOT_REGISTERED); | |
| 470 } | |
| 471 | |
| 472 void BluetoothAudioSinkBlueZ::OnUnregisterSucceeded( | |
| 473 const base::Closure& callback) { | |
| 474 VLOG(1) << "Unregistered - endpoint: " << endpoint_path_.value(); | |
| 475 | |
| 476 // Once the state becomes STATE_INVALID, media, media transport and media | |
| 477 // endpoint will be reset. | |
| 478 StateChanged(BluetoothAudioSink::STATE_INVALID); | |
| 479 callback.Run(); | |
| 480 } | |
| 481 | |
| 482 void BluetoothAudioSinkBlueZ::OnUnregisterFailed( | |
| 483 const device::BluetoothAudioSink::ErrorCallback& error_callback, | |
| 484 const std::string& error_name, | |
| 485 const std::string& error_message) { | |
| 486 VLOG(1) << "OnUnregisterFailed - error name: " << error_name | |
| 487 << ", error message: " << error_message; | |
| 488 | |
| 489 error_callback.Run(BluetoothAudioSink::ERROR_NOT_UNREGISTERED); | |
| 490 } | |
| 491 | |
| 492 void BluetoothAudioSinkBlueZ::OnAcquireSucceeded(base::ScopedFD fd, | |
| 493 const uint16_t read_mtu, | |
| 494 const uint16_t write_mtu) { | |
| 495 CHECK(fd.is_valid()); | |
| 496 CHECK_GT(read_mtu, kInvalidReadMtu); | |
| 497 CHECK_GT(write_mtu, kInvalidWriteMtu); | |
| 498 | |
| 499 // Avoids unnecessary memory reallocation if read MTU doesn't change. | |
| 500 if (read_mtu != read_mtu_) { | |
| 501 read_mtu_ = read_mtu; | |
| 502 data_.reset(new char[read_mtu_]); | |
| 503 VLOG(1) << "OnAcquireSucceeded - allocate " << read_mtu_ | |
| 504 << " bytes of memory"; | |
| 505 } | |
| 506 | |
| 507 write_mtu_ = write_mtu; | |
| 508 | |
| 509 // Avoids closing the same file descriptor caused by reassignment. | |
| 510 if (!file_.get() || file_->GetPlatformFile() != fd.get()) { | |
| 511 // Takes ownership of the file descriptor. | |
| 512 file_.reset(new base::File(fd.release())); | |
| 513 DCHECK(file_->IsValid()); | |
| 514 VLOG(1) << "OnAcquireSucceeded - update file"; | |
| 515 } | |
| 516 | |
| 517 VLOG(1) << "OnAcquireSucceeded - file: " << file_->GetPlatformFile() | |
| 518 << ", read MTU: " << read_mtu_ << ", write MTU: " << write_mtu_; | |
| 519 } | |
| 520 | |
| 521 void BluetoothAudioSinkBlueZ::OnAcquireFailed( | |
| 522 const std::string& error_name, | |
| 523 const std::string& error_message) { | |
| 524 VLOG(1) << "OnAcquireFailed - error name: " << error_name | |
| 525 << ", error message: " << error_message; | |
| 526 } | |
| 527 | |
| 528 void BluetoothAudioSinkBlueZ::OnReleaseFDSucceeded() { | |
| 529 VLOG(1) << "OnReleaseFDSucceeded"; | |
| 530 } | |
| 531 | |
| 532 void BluetoothAudioSinkBlueZ::OnReleaseFDFailed( | |
| 533 const std::string& error_name, | |
| 534 const std::string& error_message) { | |
| 535 VLOG(1) << "OnReleaseFDFailed - error name: " << error_name | |
| 536 << ", error message: " << error_message; | |
| 537 } | |
| 538 | |
| 539 void BluetoothAudioSinkBlueZ::ResetMedia() { | |
| 540 VLOG(1) << "ResetMedia"; | |
| 541 | |
| 542 media_path_ = dbus::ObjectPath(""); | |
| 543 } | |
| 544 | |
| 545 void BluetoothAudioSinkBlueZ::ResetTransport() { | |
| 546 if (!transport_path_.IsValid()) { | |
| 547 VLOG(1) << "ResetTransport - skip"; | |
| 548 return; | |
| 549 } | |
| 550 | |
| 551 VLOG(1) << "ResetTransport - clean-up"; | |
| 552 | |
| 553 VolumeChanged(BluetoothAudioSink::kInvalidVolume); | |
| 554 transport_path_ = dbus::ObjectPath(""); | |
| 555 read_mtu_ = kInvalidReadMtu; | |
| 556 write_mtu_ = kInvalidWriteMtu; | |
| 557 file_.reset(); | |
| 558 } | |
| 559 | |
| 560 void BluetoothAudioSinkBlueZ::ResetEndpoint() { | |
| 561 VLOG(1) << "ResetEndpoint"; | |
| 562 | |
| 563 endpoint_path_ = ObjectPath(""); | |
| 564 media_endpoint_ = nullptr; | |
| 565 } | |
| 566 | |
| 567 } // namespace bluez | |
| OLD | NEW |
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Chromium Code Reviews
Issue 2389753003:
Delete unused BluetoothAudioSink code. (Closed)
