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