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) m_processor->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_iLastActive(0),
  56   m_cecVersion(CEC_VERSION_UNKNOWN),
  57   m_deviceStatus(CEC_DEVICE_STATUS_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   delete m_handler;
  72 }
  73
  74 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  75 {
  76   m_processor->AddLog(level, strMessage);
  77 }
  78
  79 bool CCECBusDevice::HandleCommand(const cec_command &command)
  80 {
  81   bool bHandled(false);
  82
  83   /* update "last active" */
  84   {
  85     CLockObject lock(&m_writeMutex);
  86     m_iLastActive = GetTimeMs();
  87
  88     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  89       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  90   }
  91
  92   /* handle the command */
  93   bHandled = m_handler->HandleCommand(command);
  94
  95   /* change status to present */
  96   if (bHandled)
  97   {
  98     CLockObject lock(&m_writeMutex);
  99     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 100     {
 101       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 102       {
 103         CStdString strLog;
 104         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 105         AddLog(CEC_LOG_DEBUG, strLog);
 106       }
 107       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 108     }
 109   }
 110
 111   return bHandled;
 112 }
 113
 114 bool CCECBusDevice::PowerOn(void)
 115 {
 116   CStdString strLog;
 117   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 118   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 119
 120   if (m_handler->TransmitPowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
 121   {
 122     {
 123       CLockObject lock(&m_mutex);
 124 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 125       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 126     }
 127 //    cec_power_status status = GetPowerStatus();
 128 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 129 //    {
 130 //      /* sending the normal power on command appears to have failed */
 131 //      CStdString strLog;
 132 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 133 //      AddLog(CEC_LOG_DEBUG, strLog.c_str());
 134 //
 135 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 136 //      return TransmitKeyRelease();
 137 //    }
 138     return true;
 139   }
 140
 141   return false;
 142 }
 143
 144 bool CCECBusDevice::Standby(void)
 145 {
 146   CStdString strLog;
 147   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 148   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 149
 150   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 151 }
 152
 153 /** @name Getters */
 154 //@{
 155 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 156 {
 157   CLockObject lock(&m_mutex);
 158   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 159       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN))
 160     RequestCecVersion();
 161
 162   return m_cecVersion;
 163 }
 164
 165 bool CCECBusDevice::RequestCecVersion(void)
 166 {
 167   bool bReturn(false);
 168   if (!MyLogicalAddressContains(m_iLogicalAddress))
 169   {
 170     CStdString strLog;
 171     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 172     AddLog(CEC_LOG_NOTICE, strLog);
 173
 174     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 175   }
 176   return bReturn;
 177 }
 178
 179 const char* CCECBusDevice::GetLogicalAddressName(void) const
 180 {
 181   return ToString(m_iLogicalAddress);
 182 }
 183
 184 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 185 {
 186   CLockObject lock(&m_mutex);
 187   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 188       (bUpdate || !strcmp(m_menuLanguage.language, "???")))
 189     RequestMenuLanguage();
 190
 191   return m_menuLanguage;
 192 }
 193
 194 bool CCECBusDevice::RequestMenuLanguage(void)
 195 {
 196   bool bReturn(false);
 197   if (!MyLogicalAddressContains(m_iLogicalAddress))
 198   {
 199     CStdString strLog;
 200     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 201     AddLog(CEC_LOG_NOTICE, strLog);
 202     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 203   }
 204   return bReturn;
 205 }
 206
 207 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 208 {
 209   return m_processor->GetLogicalAddress();
 210 }
 211
 212 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 213 {
 214   return m_processor->GetPhysicalAddress();
 215 }
 216
 217 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 218 {
 219   CLockObject lock(&m_mutex);
 220   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 221       (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 222       m_type != CEC_DEVICE_TYPE_TV)
 223     RequestOSDName();
 224
 225   return m_strDeviceName;
 226 }
 227
 228 bool CCECBusDevice::RequestOSDName(void)
 229 {
 230   bool bReturn(false);
 231   if (!MyLogicalAddressContains(m_iLogicalAddress))
 232   {
 233     CStdString strLog;
 234     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 235     AddLog(CEC_LOG_NOTICE, strLog);
 236     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 237   }
 238   return bReturn;
 239 }
 240
 241 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 242 {
 243   CLockObject lock(&m_mutex);
 244   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 245       (m_iPhysicalAddress == 0xFFFF || bUpdate))
 246   {
 247     if (!RequestPhysicalAddress())
 248       AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 249   }
 250
 251   return m_iPhysicalAddress;
 252 }
 253
 254 bool CCECBusDevice::RequestPhysicalAddress(void)
 255 {
 256   bool bReturn(false);
 257   if (!MyLogicalAddressContains(m_iLogicalAddress))
 258   {
 259     CStdString strLog;
 260     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 261     AddLog(CEC_LOG_NOTICE, strLog);
 262     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 263   }
 264   return bReturn;
 265 }
 266
 267 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 268 {
 269   CLockObject lock(&m_mutex);
 270   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 271       (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN))
 272     RequestPowerStatus();
 273
 274   return m_powerStatus;
 275 }
 276
 277 bool CCECBusDevice::RequestPowerStatus(void)
 278 {
 279   bool bReturn(false);
 280   if (!MyLogicalAddressContains(m_iLogicalAddress))
 281   {
 282     CStdString strLog;
 283     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 284     AddLog(CEC_LOG_NOTICE, strLog);
 285     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 286   }
 287   return bReturn;
 288 }
 289
 290 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 291 {
 292   CLockObject lock(&m_mutex);
 293   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 294       (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN))
 295     RequestVendorId();
 296
 297   return m_vendor;
 298 }
 299
 300 bool CCECBusDevice::RequestVendorId(void)
 301 {
 302   bool bReturn(false);
 303   if (!MyLogicalAddressContains(m_iLogicalAddress))
 304   {
 305     CStdString strLog;
 306     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 307     AddLog(CEC_LOG_NOTICE, strLog);
 308     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 309   }
 310   return bReturn;
 311 }
 312
 313 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 314 {
 315   return ToString(GetVendorId(bUpdate));
 316 }
 317
 318 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 319 {
 320   return m_processor->HasLogicalAddress(address);
 321 }
 322
 323 bool CCECBusDevice::NeedsPoll(void)
 324 {
 325   bool bSendPoll(false);
 326   switch (m_iLogicalAddress)
 327   {
 328   case CECDEVICE_PLAYBACKDEVICE3:
 329     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 330       bSendPoll = true;
 331     break;
 332   case CECDEVICE_PLAYBACKDEVICE2:
 333     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 334       bSendPoll = true;
 335     break;
 336   case CECDEVICE_RECORDINGDEVICE3:
 337     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 338       bSendPoll = true;
 339     break;
 340   case CECDEVICE_RECORDINGDEVICE2:
 341     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 342       bSendPoll = true;
 343     break;
 344   case CECDEVICE_TUNER4:
 345     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 346       bSendPoll = true;
 347     break;
 348   case CECDEVICE_TUNER3:
 349     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 350       bSendPoll = true;
 351     break;
 352   case CECDEVICE_TUNER2:
 353     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 354       bSendPoll = true;
 355     break;
 356   case CECDEVICE_AUDIOSYSTEM:
 357   case CECDEVICE_PLAYBACKDEVICE1:
 358   case CECDEVICE_RECORDINGDEVICE1:
 359   case CECDEVICE_TUNER1:
 360   case CECDEVICE_TV:
 361     bSendPoll = true;
 362     break;
 363   default:
 364     break;
 365   }
 366
 367   return bSendPoll;
 368 }
 369
 370 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 371 {
 372   CLockObject lock(&m_writeMutex);
 373   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 374       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 375   {
 376     lock.Leave();
 377     bool bPollAcked(false);
 378     if (bForcePoll || NeedsPoll())
 379       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 380
 381     lock.Lock();
 382     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 383   }
 384
 385   return m_deviceStatus;
 386 }
 387
 388 //@}
 389
 390 /** @name Setters */
 391 //@{
 392 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 393 {
 394   m_cecVersion = newVersion;
 395
 396   CStdString strLog;
 397   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 398   AddLog(CEC_LOG_DEBUG, strLog);
 399 }
 400
 401 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 402 {
 403   CLockObject lock(&m_writeMutex);
 404   if (language.device == m_iLogicalAddress)
 405   {
 406     CStdString strLog;
 407     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 408     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 409     m_menuLanguage = language;
 410   }
 411 }
 412
 413 void CCECBusDevice::SetOSDName(CStdString strName)
 414 {
 415   CLockObject lock(&m_writeMutex);
 416   if (m_strDeviceName != strName)
 417   {
 418     CStdString strLog;
 419     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 420     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 421     m_strDeviceName = strName;
 422   }
 423 }
 424
 425 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 426 {
 427   CLockObject lock(&m_writeMutex);
 428   if (m_menuState != state)
 429   {
 430     CStdString strLog;
 431     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 432     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 433     m_menuState = state;
 434   }
 435 }
 436
 437 void CCECBusDevice::SetInactiveDevice(void)
 438 {
 439   CLockObject lock(&m_writeMutex);
 440   m_bActiveSource = false;
 441 }
 442
 443 void CCECBusDevice::SetActiveDevice(void)
 444 {
 445   CLockObject lock(&m_writeMutex);
 446
 447   for (int iPtr = 0; iPtr < 16; iPtr++)
 448     if (iPtr != m_iLogicalAddress)
 449       m_processor->m_busDevices[iPtr]->SetInactiveDevice();
 450
 451   m_bActiveSource = true;
 452   m_powerStatus   = CEC_POWER_STATUS_ON;
 453 }
 454
 455 bool CCECBusDevice::TryLogicalAddress(void)
 456 {
 457   CStdString strLog;
 458   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 459   AddLog(CEC_LOG_DEBUG, strLog);
 460
 461   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 462   if (!TransmitPoll(m_iLogicalAddress))
 463   {
 464     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 465     AddLog(CEC_LOG_NOTICE, strLog);
 466     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 467
 468     return true;
 469   }
 470
 471   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 472   AddLog(CEC_LOG_DEBUG, strLog);
 473   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 474   return false;
 475 }
 476
 477 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 478 {
 479   CLockObject lock(&m_writeMutex);
 480   switch (newStatus)
 481   {
 482   case CEC_DEVICE_STATUS_UNKNOWN:
 483     m_iStreamPath      = 0;
 484     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 485     m_vendor           = CEC_VENDOR_UNKNOWN;
 486     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 487     m_bActiveSource    = false;
 488     m_iLastActive      = 0;
 489     m_cecVersion       = CEC_VERSION_UNKNOWN;
 490     m_deviceStatus     = newStatus;
 491     break;
 492   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 493     m_iStreamPath      = 0;
 494     m_powerStatus      = CEC_POWER_STATUS_ON;
 495     m_vendor           = CEC_VENDOR_UNKNOWN;
 496     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 497     m_bActiveSource    = false;
 498     m_iLastActive      = 0;
 499     m_cecVersion       = CEC_VERSION_1_3A;
 500     m_deviceStatus     = newStatus;
 501     break;
 502   case CEC_DEVICE_STATUS_PRESENT:
 503   case CEC_DEVICE_STATUS_NOT_PRESENT:
 504     m_deviceStatus = newStatus;
 505     break;
 506   }
 507 }
 508
 509 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 510 {
 511   CLockObject lock(&m_writeMutex);
 512   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 513   {
 514     CStdString strLog;
 515     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 516     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 517
 518     m_iPhysicalAddress = iNewAddress;
 519   }
 520 }
 521
 522 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 523 {
 524   CLockObject lock(&m_writeMutex);
 525   if (iNewAddress > 0)
 526   {
 527     CStdString strLog;
 528     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 529     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 530
 531     m_iStreamPath = iNewAddress;
 532
 533     if (iNewAddress > 0)
 534     {
 535       lock.Leave();
 536       SetPowerStatus(CEC_POWER_STATUS_ON);
 537     }
 538   }
 539 }
 540
 541 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 542 {
 543   CLockObject lock(&m_writeMutex);
 544   if (m_powerStatus != powerStatus)
 545   {
 546     CStdString strLog;
 547     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 548     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 549     m_powerStatus = powerStatus;
 550   }
 551 }
 552
 553 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 554 {
 555   bool bVendorChanged(false);
 556
 557   {
 558     CLockObject lock(&m_writeMutex);
 559     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 560     m_vendor = (cec_vendor_id)iVendorId;
 561
 562     if (bVendorChanged)
 563       delete m_handler;
 564
 565     switch (iVendorId)
 566     {
 567     case CEC_VENDOR_SAMSUNG:
 568       if (bVendorChanged)
 569         m_handler = new CANCommandHandler(this);
 570       break;
 571     case CEC_VENDOR_LG:
 572       if (bVendorChanged)
 573         m_handler = new CSLCommandHandler(this);
 574       break;
 575     case CEC_VENDOR_PANASONIC:
 576       if (bVendorChanged)
 577         m_handler = new CVLCommandHandler(this);
 578       break;
 579     default:
 580       if (bVendorChanged)
 581         m_handler = new CCECCommandHandler(this);
 582       break;
 583     }
 584   }
 585
 586   if (bVendorChanged && bInitHandler)
 587     m_handler->InitHandler();
 588
 589   CStdString strLog;
 590   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 591   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 592
 593   return bVendorChanged;
 594 }
 595 //@}
 596
 597 /** @name Transmit methods */
 598 //@{
 599 bool CCECBusDevice::TransmitActiveSource(void)
 600 {
 601   bool bSendActiveSource(false);
 602
 603   {
 604     CLockObject lock(&m_writeMutex);
 605     if (m_powerStatus != CEC_POWER_STATUS_ON)
 606     {
 607       CStdString strLog;
 608       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 609       AddLog(CEC_LOG_DEBUG, strLog);
 610     }
 611     else if (m_bActiveSource)
 612     {
 613       CStdString strLog;
 614       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 615       AddLog(CEC_LOG_NOTICE, strLog);
 616       bSendActiveSource = true;
 617     }
 618     else
 619     {
 620       CStdString strLog;
 621       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 622       AddLog(CEC_LOG_DEBUG, strLog);
 623     }
 624   }
 625
 626   return bSendActiveSource ? m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress) : false;
 627 }
 628
 629 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 630 {
 631   cec_version version;
 632   {
 633     CLockObject lock(&m_writeMutex);
 634     CStdString strLog;
 635     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 636     AddLog(CEC_LOG_NOTICE, strLog);
 637     version = m_cecVersion;
 638   }
 639
 640   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 641 }
 642
 643 bool CCECBusDevice::TransmitInactiveSource(void)
 644 {
 645   uint16_t iPhysicalAddress;
 646   {
 647     CLockObject lock(&m_writeMutex);
 648     CStdString strLog;
 649     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 650     AddLog(CEC_LOG_NOTICE, strLog);
 651     iPhysicalAddress = m_iPhysicalAddress;
 652   }
 653
 654   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 655 }
 656
 657 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 658 {
 659   cec_menu_state menuState;
 660   {
 661     CLockObject lock(&m_writeMutex);
 662     CStdString strLog;
 663     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 664     AddLog(CEC_LOG_NOTICE, strLog);
 665     menuState = m_menuState;
 666   }
 667
 668   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 669 }
 670
 671 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 672 {
 673   CStdString strDeviceName;
 674   {
 675     CLockObject lock(&m_writeMutex);
 676     CStdString strLog;
 677     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 678     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 679     strDeviceName = m_strDeviceName;
 680   }
 681
 682   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 683 }
 684
 685 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 686 {
 687   CStdString strLog;
 688   strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 689   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 690
 691   return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 692 }
 693
 694 bool CCECBusDevice::TransmitPhysicalAddress(void)
 695 {
 696   uint16_t iPhysicalAddress;
 697   cec_device_type type;
 698   {
 699     CLockObject lock(&m_writeMutex);
 700     if (m_iPhysicalAddress == 0xffff)
 701       return false;
 702
 703     CStdString strLog;
 704     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 705     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 706
 707     iPhysicalAddress = m_iPhysicalAddress;
 708     type = m_type;
 709   }
 710
 711   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 712 }
 713
 714 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 715 {
 716   bool bReturn(false);
 717   if (dest == CECDEVICE_UNKNOWN)
 718     dest = m_iLogicalAddress;
 719
 720   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 721   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 722     return bReturn;
 723
 724   CStdString strLog;
 725   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 726   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 727   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 728   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 729
 730   CLockObject lock(&m_writeMutex);
 731   if (bReturn)
 732   {
 733     m_iLastActive = GetTimeMs();
 734     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 735   }
 736   else
 737     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 738
 739   return bReturn;
 740 }
 741
 742 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 743 {
 744   cec_power_status state;
 745   {
 746     CLockObject lock(&m_writeMutex);
 747     CStdString strLog;
 748     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 749     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 750     state = m_powerStatus;
 751   }
 752
 753   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 754 }
 755
 756 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 757 {
 758   uint64_t iVendorId;
 759   {
 760     CLockObject lock(&m_writeMutex);
 761     iVendorId = (uint64_t)m_vendor;
 762   }
 763
 764   if (iVendorId == CEC_VENDOR_UNKNOWN)
 765   {
 766     if (bSendAbort)
 767     {
 768       CStdString strLog;
 769       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 770       AddLog(CEC_LOG_NOTICE, strLog);
 771
 772       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 773     }
 774     return false;
 775   }
 776   else
 777   {
 778     CStdString strLog;
 779     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 780     AddLog(CEC_LOG_NOTICE, strLog);
 781
 782     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 783   }
 784 }
 785
 786 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key)
 787 {
 788   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key);
 789 }
 790
 791 bool CCECBusDevice::TransmitKeyRelease(void)
 792 {
 793   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress);
 794 }
 795 //@}