src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "CECBusDevice.h"
  34 #include "../CECProcessor.h"
  35 #include "../implementations/ANCommandHandler.h"
  36 #include "../implementations/CECCommandHandler.h"
  37 #include "../implementations/SLCommandHandler.h"
  38 #include "../implementations/VLCommandHandler.h"
  39 #include "../platform/timeutils.h"
  40
  41 using namespace CEC;
  42
  43 #define ToString(p) CCECCommandHandler::ToString(p)
  44
  45 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  46   m_type(CEC_DEVICE_TYPE_RESERVED),
  47   m_iPhysicalAddress(iPhysicalAddress),
  48   m_iStreamPath(0),
  49   m_iLogicalAddress(iLogicalAddress),
  50   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  51   m_processor(processor),
  52   m_vendor(CEC_VENDOR_UNKNOWN),
  53   m_menuState(CEC_MENU_STATE_ACTIVATED),
  54   m_bActiveSource(false),
  55   m_iLastCommandSent(0),
  56   m_iLastActive(0),
  57   m_cecVersion(CEC_VERSION_UNKNOWN)
  58 {
  59   m_handler = new CCECCommandHandler(this);
  60
  61   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  62     m_menuLanguage.language[iPtr] = '?';
  63   m_menuLanguage.language[3] = 0;
  64   m_menuLanguage.device = iLogicalAddress;
  65
  66   m_strDeviceName = ToString(m_iLogicalAddress);
  67 }
  68
  69 CCECBusDevice::~CCECBusDevice(void)
  70 {
  71   m_condition.Broadcast();
  72   delete m_handler;
  73 }
  74
  75 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  76 {
  77   m_processor->AddLog(level, strMessage);
  78 }
  79
  80 bool CCECBusDevice::HandleCommand(const cec_command &command)
  81 {
  82   CLockObject lock(&m_transmitMutex);
  83   m_iLastActive = GetTimeMs();
  84   m_handler->HandleCommand(command);
  85   m_condition.Signal();
  86   return true;
  87 }
  88
  89 void CCECBusDevice::PollVendorId(void)
  90 {
  91   CLockObject lock(&m_transmitMutex);
  92   if (m_iLastActive > 0 && m_iLogicalAddress != CECDEVICE_BROADCAST &&
  93       m_vendor == CEC_VENDOR_UNKNOWN &&
  94       GetTimeMs() - m_iLastCommandSent > 5000 &&
  95       !m_processor->IsMonitoring())
  96   {
  97     CStdString strLog;
  98     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
  99     AddLog(CEC_LOG_NOTICE, strLog);
 100     m_iLastCommandSent = GetTimeMs();
 101
 102     cec_command command;
 103     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 104     if (m_processor->Transmit(command))
 105       m_condition.Wait(&m_transmitMutex, 1000);
 106   }
 107 }
 108
 109 bool CCECBusDevice::PowerOn(void)
 110 {
 111   cec_power_status current = GetPowerStatus();
 112   if (current != CEC_POWER_STATUS_ON &&
 113       current != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 114   {
 115     CStdString strLog;
 116     strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 117     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 118
 119     SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 120
 121     cec_command command;
 122     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_IMAGE_VIEW_ON);
 123
 124     return m_processor->Transmit(command);
 125   }
 126
 127   return true;
 128 }
 129
 130 bool CCECBusDevice::Standby(void)
 131 {
 132   CStdString strLog;
 133   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 134   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 135
 136   cec_command command;
 137   cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_STANDBY);
 138
 139   return m_processor->Transmit(command);
 140 }
 141
 142 /** @name Getters */
 143 //@{
 144 cec_version CCECBusDevice::GetCecVersion(void)
 145 {
 146   if (!MyLogicalAddressContains(m_iLogicalAddress))
 147   {
 148     CStdString strLog;
 149     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 150     AddLog(CEC_LOG_NOTICE, strLog);
 151     cec_command command;
 152     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GET_CEC_VERSION);
 153     CLockObject lock(&m_transmitMutex);
 154     if (m_processor->Transmit(command))
 155       m_condition.Wait(&m_transmitMutex, 1000);
 156   }
 157
 158   CLockObject lock(&m_mutex);
 159   return m_cecVersion;
 160 }
 161
 162 const char* CCECBusDevice::GetLogicalAddressName(void) const
 163 {
 164   return ToString(m_iLogicalAddress);
 165 }
 166
 167 cec_menu_language &CCECBusDevice::GetMenuLanguage(void)
 168 {
 169   if (!MyLogicalAddressContains(m_iLogicalAddress))
 170   {
 171     CStdString strLog;
 172     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 173     AddLog(CEC_LOG_NOTICE, strLog);
 174     cec_command command;
 175     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GET_MENU_LANGUAGE);
 176     CLockObject lock(&m_transmitMutex);
 177     if (m_processor->Transmit(command))
 178       m_condition.Wait(&m_transmitMutex, 1000);
 179   }
 180
 181   CLockObject lock(&m_mutex);
 182   return m_menuLanguage;
 183 }
 184
 185 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 186 {
 187   return m_processor->GetLogicalAddress();
 188 }
 189
 190 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 191 {
 192   return m_processor->GetPhysicalAddress();
 193 }
 194
 195 cec_power_status CCECBusDevice::GetPowerStatus(void)
 196 {
 197   if (!MyLogicalAddressContains(m_iLogicalAddress))
 198   {
 199     CStdString strLog;
 200     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 201     AddLog(CEC_LOG_NOTICE, strLog);
 202     cec_command command;
 203     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 204     CLockObject lock(&m_transmitMutex);
 205     if (m_processor->Transmit(command))
 206       m_condition.Wait(&m_transmitMutex, 1000);
 207   }
 208
 209   CLockObject lock(&m_mutex);
 210   return m_powerStatus;
 211 }
 212
 213 cec_vendor_id CCECBusDevice::GetVendorId(void)
 214 {
 215   if (!MyLogicalAddressContains(m_iLogicalAddress))
 216   {
 217     CStdString strLog;
 218     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 219     AddLog(CEC_LOG_NOTICE, strLog);
 220     cec_command command;
 221     cec_command::Format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 222     CLockObject lock(&m_transmitMutex);
 223
 224     if (m_processor->Transmit(command))
 225       m_condition.Wait(&m_transmitMutex, 1000);
 226   }
 227
 228   CLockObject lock(&m_mutex);
 229   return m_vendor;
 230 }
 231
 232 const char *CCECBusDevice::GetVendorName(void)
 233 {
 234   CLockObject lock(&m_mutex);
 235   return ToString(m_vendor);
 236 }
 237
 238 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 239 {
 240   return m_processor->HasLogicalAddress(address);
 241 }
 242
 243 //@}
 244
 245 /** @name Setters */
 246 //@{
 247 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 248 {
 249   m_cecVersion = newVersion;
 250
 251   CStdString strLog;
 252   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 253   AddLog(CEC_LOG_DEBUG, strLog);
 254 }
 255
 256 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 257 {
 258   CLockObject lock(&m_mutex);
 259   if (language.device == m_iLogicalAddress)
 260   {
 261     CStdString strLog;
 262     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 263     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 264     m_menuLanguage = language;
 265   }
 266 }
 267
 268 void CCECBusDevice::SetOSDName(CStdString strName)
 269 {
 270   CLockObject lock(&m_mutex);
 271   if (m_strDeviceName != strName)
 272   {
 273     CStdString strLog;
 274     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 275     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 276     m_strDeviceName = strName;
 277   }
 278 }
 279
 280 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 281 {
 282   CLockObject lock(&m_mutex);
 283   if (m_menuState != state)
 284   {
 285     CStdString strLog;
 286     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 287     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 288     m_menuState = state;
 289   }
 290 }
 291
 292 void CCECBusDevice::SetInactiveDevice(void)
 293 {
 294   CLockObject lock(&m_mutex);
 295   m_bActiveSource = false;
 296 }
 297
 298 void CCECBusDevice::SetActiveDevice(void)
 299 {
 300   CLockObject lock(&m_mutex);
 301
 302   for (int iPtr = 0; iPtr < 16; iPtr++)
 303     if (iPtr != m_iLogicalAddress)
 304       m_processor->m_busDevices[iPtr]->SetInactiveDevice();
 305
 306   m_bActiveSource = true;
 307   m_powerStatus   = CEC_POWER_STATUS_ON;
 308 }
 309
 310 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 311 {
 312   CLockObject lock(&m_mutex);
 313   if (iNewAddress > 0)
 314   {
 315     CStdString strLog;
 316     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 317     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 318
 319     m_iPhysicalAddress = iNewAddress;
 320   }
 321 }
 322
 323 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 324 {
 325   CLockObject lock(&m_mutex);
 326   if (iNewAddress > 0)
 327   {
 328     CStdString strLog;
 329     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress, iNewAddress);
 330     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 331
 332     m_iStreamPath = iNewAddress;
 333
 334     if (iNewAddress > 0)
 335     {
 336       lock.Leave();
 337       SetPowerStatus(CEC_POWER_STATUS_ON);
 338     }
 339   }
 340 }
 341
 342 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 343 {
 344   CLockObject lock(&m_mutex);
 345   if (m_powerStatus != powerStatus)
 346   {
 347     CStdString strLog;
 348     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 349     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 350     m_powerStatus = powerStatus;
 351   }
 352 }
 353
 354 void CCECBusDevice::SetVendorId(uint64_t iVendorId)
 355 {
 356   {
 357     CLockObject lock(&m_mutex);
 358     m_vendor = (cec_vendor_id)iVendorId;
 359
 360     switch (iVendorId)
 361     {
 362     case CEC_VENDOR_SAMSUNG:
 363       if (m_handler->GetVendorId() != CEC_VENDOR_SAMSUNG)
 364       {
 365         delete m_handler;
 366         m_handler = new CANCommandHandler(this);
 367       }
 368       break;
 369     case CEC_VENDOR_LG:
 370       if (m_handler->GetVendorId() != CEC_VENDOR_LG)
 371       {
 372         delete m_handler;
 373         m_handler = new CSLCommandHandler(this);
 374       }
 375       break;
 376     case CEC_VENDOR_PANASONIC:
 377       if (m_handler->GetVendorId() != CEC_VENDOR_PANASONIC)
 378       {
 379         delete m_handler;
 380         m_handler = new CVLCommandHandler(this);
 381       }
 382       break;
 383     default:
 384       if (m_handler->GetVendorId() != CEC_VENDOR_UNKNOWN)
 385       {
 386         delete m_handler;
 387         m_handler = new CCECCommandHandler(this);
 388       }
 389       break;
 390     }
 391   }
 392
 393   CStdString strLog;
 394   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, GetVendorName(), m_vendor);
 395   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 396 }
 397 //@}
 398
 399 /** @name Transmit methods */
 400 //@{
 401 bool CCECBusDevice::TransmitActiveSource(void)
 402 {
 403   CLockObject lock(&m_mutex);
 404   if (m_powerStatus != CEC_POWER_STATUS_ON)
 405   {
 406     CStdString strLog;
 407     strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 408     AddLog(CEC_LOG_DEBUG, strLog);
 409   }
 410   else if (m_bActiveSource)
 411   {
 412     CStdString strLog;
 413     strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 414     AddLog(CEC_LOG_NOTICE, strLog);
 415
 416     cec_command command;
 417     cec_command::Format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 418     command.parameters.PushBack((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF));
 419     command.parameters.PushBack((uint8_t) (m_iPhysicalAddress & 0xFF));
 420
 421     lock.Leave();
 422     return m_processor->Transmit(command);
 423   }
 424   else
 425   {
 426     CStdString strLog;
 427     strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 428     AddLog(CEC_LOG_DEBUG, strLog);
 429   }
 430
 431   return false;
 432 }
 433
 434 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 435 {
 436   CLockObject lock(&m_mutex);
 437   CStdString strLog;
 438   strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 439   AddLog(CEC_LOG_NOTICE, strLog);
 440
 441   cec_command command;
 442   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_CEC_VERSION);
 443   command.parameters.PushBack((uint8_t)m_cecVersion);
 444
 445   lock.Leave();
 446   return m_processor->Transmit(command);
 447 }
 448
 449 bool CCECBusDevice::TransmitInactiveView(void)
 450 {
 451   CStdString strLog;
 452   strLog.Format("<< %s (%X) -> broadcast (F): inactive view", GetLogicalAddressName(), m_iLogicalAddress);
 453   AddLog(CEC_LOG_NOTICE, strLog);
 454
 455   cec_command command;
 456   cec_command::Format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_INACTIVE_SOURCE);
 457   command.parameters.PushBack((m_iPhysicalAddress >> 8) & 0xFF);
 458   command.parameters.PushBack(m_iPhysicalAddress & 0xFF);
 459
 460   return m_processor->Transmit(command);
 461 }
 462
 463 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 464 {
 465   CStdString strLog;
 466   strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 467   AddLog(CEC_LOG_NOTICE, strLog);
 468
 469   cec_command command;
 470   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_MENU_STATUS);
 471   command.parameters.PushBack((uint8_t)m_menuState);
 472
 473   return m_processor->Transmit(command);
 474 }
 475
 476 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 477 {
 478   CLockObject lock(&m_mutex);
 479   CStdString strLog;
 480   strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 481   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 482
 483   cec_command command;
 484   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_SET_OSD_NAME);
 485   for (unsigned int iPtr = 0; iPtr < m_strDeviceName.length(); iPtr++)
 486     command.parameters.PushBack(m_strDeviceName.at(iPtr));
 487
 488   lock.Leave();
 489   return m_processor->Transmit(command);
 490 }
 491
 492 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 493 {
 494   CLockObject lock(&m_mutex);
 495   CStdString strLog;
 496   strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 497   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 498
 499   cec_command command;
 500   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_SET_OSD_STRING);
 501   command.parameters.PushBack((uint8_t)duration);
 502
 503   unsigned int iLen = strlen(strMessage);
 504   if (iLen > 13) iLen = 13;
 505
 506   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 507     command.parameters.PushBack(strMessage[iPtr]);
 508
 509   lock.Leave();
 510   return m_processor->Transmit(command);
 511 }
 512
 513 bool CCECBusDevice::TransmitPhysicalAddress(void)
 514 {
 515   CLockObject lock(&m_mutex);
 516   CStdString strLog;
 517   strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 518   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 519
 520   cec_command command;
 521   cec_command::Format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 522   command.parameters.PushBack((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF));
 523   command.parameters.PushBack((uint8_t) (m_iPhysicalAddress & 0xFF));
 524   command.parameters.PushBack((uint8_t) (m_type));
 525
 526   lock.Leave();
 527   return m_processor->Transmit(command);
 528 }
 529
 530 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 531 {
 532   bool bReturn(false);
 533   if (dest == CECDEVICE_UNKNOWN)
 534     dest = m_iLogicalAddress;
 535
 536   CStdString strLog;
 537   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 538   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 539
 540   cec_command command;
 541   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_NONE);
 542   CLockObject lock(&m_transmitMutex);
 543
 544   bReturn = m_processor->Transmit(command);
 545   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 546   return bReturn;
 547 }
 548
 549 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 550 {
 551   CLockObject lock(&m_mutex);
 552   CStdString strLog;
 553   strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 554   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 555
 556   cec_command command;
 557   cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_REPORT_POWER_STATUS);
 558   command.parameters.PushBack((uint8_t) m_powerStatus);
 559
 560   lock.Leave();
 561   return m_processor->Transmit(command);
 562 }
 563
 564 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest)
 565 {
 566   CLockObject lock(&m_mutex);
 567   if (m_vendor == CEC_VENDOR_UNKNOWN)
 568   {
 569     CStdString strLog;
 570     strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 571     AddLog(CEC_LOG_NOTICE, strLog);
 572
 573     lock.Leave();
 574     m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 575     return false;
 576   }
 577   else
 578   {
 579     CStdString strLog;
 580     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_vendor), (uint64_t)m_vendor);
 581     AddLog(CEC_LOG_NOTICE, strLog);
 582
 583     cec_command command;
 584     cec_command::Format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 585
 586     command.parameters.PushBack((uint8_t) (((uint64_t)m_vendor >> 16) & 0xFF));
 587     command.parameters.PushBack((uint8_t) (((uint64_t)m_vendor >> 8) & 0xFF));
 588     command.parameters.PushBack((uint8_t) ((uint64_t)m_vendor & 0xFF));
 589
 590     lock.Leave();
 591     return m_processor->Transmit(command);
 592   }
 593 }
 594 //@}