src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 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 "env.h"
  34 #include "CECBusDevice.h"
  35
  36 #include "lib/CECProcessor.h"
  37 #include "lib/CECClient.h"
  38 #include "lib/implementations/ANCommandHandler.h"
  39 #include "lib/implementations/CECCommandHandler.h"
  40 #include "lib/implementations/SLCommandHandler.h"
  41 #include "lib/implementations/VLCommandHandler.h"
  42 #include "lib/LibCEC.h"
  43 #include "lib/CECTypeUtils.h"
  44 #include "lib/platform/util/timeutils.h"
  45 #include "lib/platform/util/util.h"
  46
  47 #include "CECAudioSystem.h"
  48 #include "CECPlaybackDevice.h"
  49 #include "CECRecordingDevice.h"
  50 #include "CECTuner.h"
  51 #include "CECTV.h"
  52
  53 using namespace std;
  54 using namespace CEC;
  55 using namespace PLATFORM;
  56
  57 #define LIB_CEC     m_processor->GetLib()
  58 #define ToString(p) CCECTypeUtils::ToString(p)
  59
  60 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  61   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  62   m_iPhysicalAddress      (iPhysicalAddress),
  63   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  64   m_iLogicalAddress       (iLogicalAddress),
  65   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  66   m_processor             (processor),
  67   m_vendor                (CEC_VENDOR_UNKNOWN),
  68   m_bReplaceHandler       (false),
  69   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  70   m_bActiveSource         (false),
  71   m_iLastActive           (0),
  72   m_iLastPowerStateUpdate (0),
  73   m_cecVersion            (CEC_VERSION_UNKNOWN),
  74   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  75   m_iHandlerUseCount      (0),
  76   m_bAwaitingReceiveFailed(false),
  77   m_bVendorIdRequested    (false),
  78   m_waitForResponse       (new CWaitForResponse)
  79 {
  80   m_handler = new CCECCommandHandler(this);
  81
  82   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  83     m_menuLanguage.language[iPtr] = '?';
  84   m_menuLanguage.language[3] = 0;
  85   m_menuLanguage.device = iLogicalAddress;
  86
  87   m_strDeviceName = ToString(m_iLogicalAddress);
  88 }
  89
  90 CCECBusDevice::~CCECBusDevice(void)
  91 {
  92   DELETE_AND_NULL(m_handler);
  93   DELETE_AND_NULL(m_waitForResponse);
  94 }
  95
  96 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  97 {
  98   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
  99     return false;
 100
 101   bool bInitHandler(false);
 102   {
 103     CLockObject lock(m_mutex);
 104     CLockObject handlerLock(m_handlerMutex);
 105     if (m_iHandlerUseCount > 0)
 106       return false;
 107
 108     MarkBusy();
 109
 110     if (m_vendor != m_handler->GetVendorId())
 111     {
 112       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 113       {
 114         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 115
 116         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 117         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 118         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 119         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 120
 121         DELETE_AND_NULL(m_handler);
 122
 123         switch (m_vendor)
 124         {
 125         case CEC_VENDOR_SAMSUNG:
 126           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 127           break;
 128         case CEC_VENDOR_LG:
 129           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 130           break;
 131         case CEC_VENDOR_PANASONIC:
 132           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 133           break;
 134         default:
 135           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 136           break;
 137         }
 138
 139         m_handler->SetVendorId(m_vendor);
 140         bInitHandler = true;
 141       }
 142     }
 143   }
 144
 145   if (bInitHandler)
 146   {
 147     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 148     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 149     {
 150       m_handler->InitHandler();
 151
 152       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 153         m_handler->ActivateSource();
 154     }
 155   }
 156
 157   MarkReady();
 158
 159   return true;
 160 }
 161
 162 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 163 {
 164   ReplaceHandler(false);
 165   MarkBusy();
 166   return m_handler;
 167 }
 168
 169 bool CCECBusDevice::HandleCommand(const cec_command &command)
 170 {
 171   bool bHandled(false);
 172
 173   /* update "last active" */
 174   {
 175     CLockObject lock(m_mutex);
 176     m_iLastActive = GetTimeMs();
 177     MarkBusy();
 178   }
 179
 180   /* handle the command */
 181   bHandled = m_handler->HandleCommand(command);
 182
 183   /* change status to present */
 184   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST)
 185   {
 186     CLockObject lock(m_mutex);
 187     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 188     {
 189       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 190         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 191       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 192     }
 193   }
 194
 195   MarkReady();
 196   return bHandled;
 197 }
 198
 199 const char* CCECBusDevice::GetLogicalAddressName(void) const
 200 {
 201   return ToString(m_iLogicalAddress);
 202 }
 203
 204 bool CCECBusDevice::IsPresent(void)
 205 {
 206   CLockObject lock(m_mutex);
 207   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 208 }
 209
 210 bool CCECBusDevice::IsHandledByLibCEC(void)
 211 {
 212   CLockObject lock(m_mutex);
 213   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 214 }
 215
 216 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 217 {
 218   // some commands should never be marked as unsupported
 219   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 220       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 221       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 222       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 223       opcode == CEC_OPCODE_ABORT ||
 224       opcode == CEC_OPCODE_FEATURE_ABORT ||
 225       opcode == CEC_OPCODE_NONE)
 226     return;
 227
 228   {
 229     CLockObject lock(m_mutex);
 230     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 231     {
 232       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 233       m_unsupportedFeatures.insert(opcode);
 234     }
 235   }
 236
 237   // signal threads that are waiting for a reponse
 238   MarkBusy();
 239   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 240   MarkReady();
 241 }
 242
 243 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 244 {
 245   CLockObject lock(m_mutex);
 246   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 247   if (bUnsupported)
 248     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 249   return bUnsupported;
 250 }
 251
 252 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 253 {
 254   MarkBusy();
 255   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 256   MarkReady();
 257   return bReturn;
 258 }
 259
 260 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 261 {
 262   MarkBusy();
 263   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 264   MarkReady();
 265   return bReturn;
 266 }
 267
 268 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 269 {
 270   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 271   bool bRequestUpdate(false);
 272   {
 273     CLockObject lock(m_mutex);
 274     bRequestUpdate = bIsPresent &&
 275         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 276   }
 277
 278   if (bRequestUpdate)
 279   {
 280     CheckVendorIdRequested(initiator);
 281     RequestCecVersion(initiator);
 282   }
 283
 284   CLockObject lock(m_mutex);
 285   return m_cecVersion;
 286 }
 287
 288 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 289 {
 290   CLockObject lock(m_mutex);
 291   if (m_cecVersion != newVersion)
 292     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 293   m_cecVersion = newVersion;
 294 }
 295
 296 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 297 {
 298   bool bReturn(false);
 299
 300   if (!IsHandledByLibCEC() &&
 301       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 302   {
 303     MarkBusy();
 304     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 305     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 306     MarkReady();
 307   }
 308   return bReturn;
 309 }
 310
 311 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 312 {
 313   cec_version version;
 314   {
 315     CLockObject lock(m_mutex);
 316     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 317     version = m_cecVersion;
 318   }
 319
 320   MarkBusy();
 321   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 322   MarkReady();
 323   return bReturn;
 324 }
 325
 326 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 327 {
 328   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 329   bool bRequestUpdate(false);
 330   {
 331     CLockObject lock(m_mutex);
 332     bRequestUpdate = (bIsPresent &&
 333         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 334   }
 335
 336   if (bRequestUpdate)
 337   {
 338     CheckVendorIdRequested(initiator);
 339     RequestMenuLanguage(initiator);
 340   }
 341
 342   CLockObject lock(m_mutex);
 343   return m_menuLanguage;
 344 }
 345
 346 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 347 {
 348   if (!strLanguage)
 349     return;
 350
 351   CLockObject lock(m_mutex);
 352   if (strcmp(strLanguage, m_menuLanguage.language))
 353   {
 354     memcpy(m_menuLanguage.language, strLanguage, 3);
 355     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 356   }
 357 }
 358
 359 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 360 {
 361   if (language.device == m_iLogicalAddress)
 362     SetMenuLanguage(language.language);
 363 }
 364
 365 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 366 {
 367   bool bReturn(false);
 368
 369   if (!IsHandledByLibCEC() &&
 370       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 371   {
 372     MarkBusy();
 373     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 374     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 375     MarkReady();
 376   }
 377   return bReturn;
 378 }
 379
 380 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 381 {
 382   bool bReturn(false);
 383   cec_menu_language language;
 384   {
 385     CLockObject lock(m_mutex);
 386     language = m_menuLanguage;
 387   }
 388
 389   char lang[3];
 390   {
 391     CLockObject lock(m_mutex);
 392     lang[0] = language.language[0];
 393     lang[1] = language.language[1];
 394     lang[2] = language.language[2];
 395   }
 396
 397   MarkBusy();
 398   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 399   {
 400     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 401     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 402     bReturn = true;
 403   }
 404   else
 405   {
 406     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 407     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 408   }
 409   MarkReady();
 410   return bReturn;
 411 }
 412
 413 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 414 {
 415   bool bReturn(false);
 416   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 417   {
 418     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 419     MarkBusy();
 420     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 421     MarkReady();
 422   }
 423   return bReturn;
 424 }
 425
 426 CStdString CCECBusDevice::GetCurrentOSDName(void)
 427 {
 428   CLockObject lock(m_mutex);
 429   return m_strDeviceName;
 430 }
 431
 432 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 433 {
 434   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 435   bool bRequestUpdate(false);
 436   {
 437     CLockObject lock(m_mutex);
 438     bRequestUpdate = bIsPresent &&
 439         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 440         m_type != CEC_DEVICE_TYPE_TV;
 441   }
 442
 443   if (bRequestUpdate)
 444   {
 445     CheckVendorIdRequested(initiator);
 446     RequestOSDName(initiator);
 447   }
 448
 449   CLockObject lock(m_mutex);
 450   return m_strDeviceName;
 451 }
 452
 453 void CCECBusDevice::SetOSDName(CStdString strName)
 454 {
 455   CLockObject lock(m_mutex);
 456   if (m_strDeviceName != strName)
 457   {
 458     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 459     m_strDeviceName = strName;
 460   }
 461 }
 462
 463 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 464 {
 465   bool bReturn(false);
 466
 467   if (!IsHandledByLibCEC() &&
 468       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 469   {
 470     MarkBusy();
 471     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 472     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 473     MarkReady();
 474   }
 475   return bReturn;
 476 }
 477
 478 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 479 {
 480   CStdString strDeviceName;
 481   {
 482     CLockObject lock(m_mutex);
 483     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 484     strDeviceName = m_strDeviceName;
 485   }
 486
 487   MarkBusy();
 488   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 489   MarkReady();
 490   return bReturn;
 491 }
 492
 493 bool CCECBusDevice::HasValidPhysicalAddress(void)
 494 {
 495   CLockObject lock(m_mutex);
 496   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 497 }
 498
 499 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 500 {
 501   CLockObject lock(m_mutex);
 502   return m_iPhysicalAddress;
 503 }
 504
 505 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 506 {
 507   if (!bSuppressUpdate)
 508   {
 509     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 510     bool bRequestUpdate(false);
 511     {
 512       CLockObject lock(m_mutex);
 513       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 514     }
 515
 516     if (bRequestUpdate)
 517     {
 518       CheckVendorIdRequested(initiator);
 519       if (!RequestPhysicalAddress(initiator))
 520         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 521     }
 522   }
 523
 524   CLockObject lock(m_mutex);
 525   return m_iPhysicalAddress;
 526 }
 527
 528 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 529 {
 530   CLockObject lock(m_mutex);
 531   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 532   {
 533     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 534     m_iPhysicalAddress = iNewAddress;
 535   }
 536   return true;
 537 }
 538
 539 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 540 {
 541   bool bReturn(false);
 542
 543   if (!IsHandledByLibCEC())
 544   {
 545     MarkBusy();
 546     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 547     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 548     MarkReady();
 549   }
 550   return bReturn;
 551 }
 552
 553 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 554 {
 555   uint16_t iPhysicalAddress;
 556   cec_device_type type;
 557   {
 558     CLockObject lock(m_mutex);
 559     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 560       return false;
 561
 562     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 563     iPhysicalAddress = m_iPhysicalAddress;
 564     type = m_type;
 565   }
 566
 567   MarkBusy();
 568   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 569   MarkReady();
 570   return bReturn;
 571 }
 572
 573 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 574 {
 575   CLockObject lock(m_mutex);
 576   return m_powerStatus;
 577 }
 578
 579 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 580 {
 581   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 582   bool bRequestUpdate(false);
 583   {
 584     CLockObject lock(m_mutex);
 585     bRequestUpdate = (bIsPresent &&
 586         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 587             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 588             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 589             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 590   }
 591
 592   if (bRequestUpdate)
 593   {
 594     CheckVendorIdRequested(initiator);
 595     RequestPowerStatus(initiator);
 596   }
 597
 598   CLockObject lock(m_mutex);
 599   return m_powerStatus;
 600 }
 601
 602 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 603 {
 604   CLockObject lock(m_mutex);
 605   if (m_powerStatus != powerStatus)
 606   {
 607     m_iLastPowerStateUpdate = GetTimeMs();
 608     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 609     m_powerStatus = powerStatus;
 610   }
 611 }
 612
 613 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 614 {
 615   bool bReturn(false);
 616
 617   if (!IsHandledByLibCEC() &&
 618       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 619   {
 620     MarkBusy();
 621     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 622     MarkReady();
 623   }
 624   return bReturn;
 625 }
 626
 627 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 628 {
 629   cec_power_status state;
 630   {
 631     CLockObject lock(m_mutex);
 632     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 633     state = m_powerStatus;
 634   }
 635
 636   MarkBusy();
 637   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 638   MarkReady();
 639   return bReturn;
 640 }
 641
 642 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 643 {
 644   CLockObject lock(m_mutex);
 645   return m_vendor;
 646 }
 647
 648 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 649 {
 650   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 651   bool bRequestUpdate(false);
 652   {
 653     CLockObject lock(m_mutex);
 654     bRequestUpdate = (bIsPresent &&
 655         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 656   }
 657
 658   if (bRequestUpdate)
 659     RequestVendorId(initiator);
 660
 661   CLockObject lock(m_mutex);
 662   return m_vendor;
 663 }
 664
 665 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 666 {
 667   return ToString(GetVendorId(initiator, bUpdate));
 668 }
 669
 670 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 671 {
 672   bool bVendorChanged(false);
 673
 674   {
 675     CLockObject lock(m_mutex);
 676     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 677     m_vendor = (cec_vendor_id)iVendorId;
 678   }
 679
 680   if (bVendorChanged)
 681     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 682
 683   return bVendorChanged;
 684 }
 685
 686 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 687 {
 688   bool bReturn(false);
 689
 690   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 691   {
 692     MarkBusy();
 693     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 694     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 695     MarkReady();
 696
 697     if (bWaitForResponse)
 698       ReplaceHandler(true);
 699   }
 700   return bReturn;
 701 }
 702
 703 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 704 {
 705   bool bReturn(false);
 706   uint64_t iVendorId;
 707   {
 708     CLockObject lock(m_mutex);
 709     iVendorId = (uint64_t)m_vendor;
 710   }
 711
 712   MarkBusy();
 713   if (iVendorId == CEC_VENDOR_UNKNOWN)
 714   {
 715     if (bSendAbort)
 716     {
 717       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 718       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 719       bReturn = true;
 720     }
 721   }
 722   else
 723   {
 724     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString((cec_vendor_id)iVendorId), iVendorId);
 725     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 726   }
 727   MarkReady();
 728   return bReturn;
 729 }
 730
 731 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 732 {
 733   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 734     return CEC_DEVICE_STATUS_NOT_PRESENT;
 735
 736   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 737   bool bNeedsPoll(false);
 738
 739   {
 740     CLockObject lock(m_mutex);
 741     status = m_deviceStatus;
 742     bNeedsPoll = !bSuppressPoll &&
 743         (bForcePoll || m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN) &&
 744         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 745   }
 746
 747   if (bNeedsPoll)
 748   {
 749     bool bPollAcked(false);
 750     if (bNeedsPoll && NeedsPoll())
 751       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 752
 753     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 754     SetDeviceStatus(status);
 755   }
 756
 757   return status;
 758 }
 759
 760 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 761 {
 762   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 763     return;
 764
 765   {
 766     CLockObject lock(m_mutex);
 767     switch (newStatus)
 768     {
 769     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 770       if (m_deviceStatus != newStatus)
 771         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 772       SetPowerStatus   (CEC_POWER_STATUS_ON);
 773       SetVendorId      (CEC_VENDOR_UNKNOWN);
 774       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 775       SetCecVersion    (libCECSpecVersion);
 776       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 777       MarkAsInactiveSource();
 778       m_iLastActive   = 0;
 779       m_deviceStatus  = newStatus;
 780       break;
 781     case CEC_DEVICE_STATUS_PRESENT:
 782       if (m_deviceStatus != newStatus)
 783         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 784       m_deviceStatus = newStatus;
 785       m_iLastActive = GetTimeMs();
 786       break;
 787     case CEC_DEVICE_STATUS_NOT_PRESENT:
 788       if (m_deviceStatus != newStatus)
 789       {
 790         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 791         ResetDeviceStatus();
 792         m_deviceStatus = newStatus;
 793       }
 794       break;
 795     default:
 796       ResetDeviceStatus();
 797       break;
 798     }
 799   }
 800 }
 801
 802 void CCECBusDevice::ResetDeviceStatus(void)
 803 {
 804   CLockObject lock(m_mutex);
 805   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 806   SetVendorId      (CEC_VENDOR_UNKNOWN);
 807   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 808   SetCecVersion    (CEC_VERSION_UNKNOWN);
 809   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 810   SetOSDName       (ToString(m_iLogicalAddress));
 811   MarkAsInactiveSource();
 812
 813   m_iLastActive = 0;
 814   m_bVendorIdRequested = false;
 815   m_unsupportedFeatures.clear();
 816   m_waitForResponse->Clear();
 817
 818   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 819     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 820   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 821 }
 822
 823 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 824 {
 825   bool bReturn(false);
 826   cec_logical_address destination(dest);
 827   if (destination == CECDEVICE_UNKNOWN)
 828     destination = m_iLogicalAddress;
 829
 830   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 831   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 832     return bReturn;
 833
 834   MarkBusy();
 835   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 836   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 837   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 838
 839   if (bUpdateDeviceStatus)
 840     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 841
 842   MarkReady();
 843   return bReturn;
 844 }
 845
 846 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 847 {
 848   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 849   {
 850     CCECBusDevice *device = m_processor->GetDevice(destination);
 851     if (device)
 852       device->HandlePollFrom(m_iLogicalAddress);
 853   }
 854 }
 855
 856 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 857 {
 858   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 859   m_bAwaitingReceiveFailed = true;
 860 }
 861
 862 bool CCECBusDevice::HandleReceiveFailed(void)
 863 {
 864   bool bReturn = m_bAwaitingReceiveFailed;
 865   m_bAwaitingReceiveFailed = false;
 866   return bReturn;
 867 }
 868
 869 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 870 {
 871   CLockObject lock(m_mutex);
 872   return m_menuState;
 873 }
 874
 875 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 876 {
 877   CLockObject lock(m_mutex);
 878   if (m_menuState != state)
 879   {
 880     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 881     m_menuState = state;
 882   }
 883 }
 884
 885 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 886 {
 887   cec_menu_state menuState;
 888   {
 889     CLockObject lock(m_mutex);
 890     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 891     menuState = m_menuState;
 892   }
 893
 894   MarkBusy();
 895   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 896   MarkReady();
 897   return bReturn;
 898 }
 899
 900 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 901 {
 902   MarkAsActiveSource();
 903   MarkBusy();
 904   bool bReturn(true);
 905   if (iDelay == 0)
 906   {
 907     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 908     bReturn = m_handler->ActivateSource();
 909   }
 910   else
 911   {
 912     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 913     m_handler->ScheduleActivateSource(iDelay);
 914   }
 915   MarkReady();
 916   return bReturn;
 917 }
 918
 919 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 920 {
 921   bool bReturn(false);
 922
 923   if (IsHandledByLibCEC())
 924   {
 925     MarkBusy();
 926     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 927
 928     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 929     MarkReady();
 930   }
 931   return bReturn;
 932 }
 933
 934 void CCECBusDevice::MarkAsActiveSource(void)
 935 {
 936   bool bWasActivated(false);
 937
 938   // set the power status to powered on
 939   SetPowerStatus(CEC_POWER_STATUS_ON);
 940
 941   // mark this device as active source
 942   {
 943     CLockObject lock(m_mutex);
 944     if (!m_bActiveSource)
 945     {
 946       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 947       bWasActivated = true;
 948     }
 949     else
 950       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 951
 952     m_bActiveSource = true;
 953   }
 954
 955   // mark other devices as inactive sources
 956   CECDEVICEVEC devices;
 957   m_processor->GetDevices()->Get(devices);
 958   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 959     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 960       (*it)->MarkAsInactiveSource();
 961
 962   if (bWasActivated)
 963   {
 964     CCECClient *client = GetClient();
 965     if (client)
 966       client->SourceActivated(m_iLogicalAddress);
 967   }
 968 }
 969
 970 void CCECBusDevice::MarkAsInactiveSource(void)
 971 {
 972   bool bWasDeactivated(false);
 973   {
 974     CLockObject lock(m_mutex);
 975     if (m_bActiveSource)
 976     {
 977       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 978       bWasDeactivated = true;
 979     }
 980     m_bActiveSource = false;
 981   }
 982
 983   if (bWasDeactivated)
 984   {
 985     CCECClient *client = GetClient();
 986     if (client)
 987       client->SourceDeactivated(m_iLogicalAddress);
 988   }
 989 }
 990
 991 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
 992 {
 993   bool bSendActiveSource(false);
 994   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
 995
 996   {
 997     CLockObject lock(m_mutex);
 998     if (!HasValidPhysicalAddress())
 999     {
1000       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1001       return false;
1002     }
1003
1004     iPhysicalAddress = m_iPhysicalAddress;
1005
1006     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1007       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1008     else if (m_bActiveSource)
1009     {
1010       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1011       bSendActiveSource = true;
1012     }
1013     else
1014       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1015   }
1016
1017   bool bActiveSourceSent(false);
1018   if (bSendActiveSource)
1019   {
1020     MarkBusy();
1021     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1022     MarkReady();
1023   }
1024
1025   return bActiveSourceSent;
1026 }
1027
1028 bool CCECBusDevice::TransmitImageViewOn(void)
1029 {
1030   {
1031     CLockObject lock(m_mutex);
1032     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1033     {
1034       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1035       return false;
1036     }
1037   }
1038
1039   bool bImageViewOnSent(false);
1040   MarkBusy();
1041   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1042   MarkReady();
1043   return bImageViewOnSent;
1044 }
1045
1046 bool CCECBusDevice::TransmitInactiveSource(void)
1047 {
1048   uint16_t iPhysicalAddress;
1049   {
1050     CLockObject lock(m_mutex);
1051     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1052     iPhysicalAddress = m_iPhysicalAddress;
1053   }
1054
1055   MarkBusy();
1056   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1057   MarkReady();
1058   return bReturn;
1059 }
1060
1061 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1062 {
1063   MarkBusy();
1064   bool bReturn = m_handler->ActivateSource(true);
1065   MarkReady();
1066   return bReturn;
1067 }
1068
1069 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1070 {
1071   CCECDeviceMap* map = m_processor->GetDevices();
1072   if (!map)
1073     return;
1074
1075   CCECBusDevice* previouslyActive = map->GetActiveSource();
1076   if (!previouslyActive)
1077     return;
1078
1079   CECDEVICEVEC devices;
1080   m_processor->GetDevices()->GetChildrenOf(devices, this);
1081
1082   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1083   {
1084     if (!CCECTypeUtils::PhysicalAddressIsIncluded(iRoute, (*it)->GetCurrentPhysicalAddress()))
1085       (*it)->MarkAsInactiveSource();
1086   }
1087 }
1088
1089 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1090 {
1091   CLockObject lock(m_mutex);
1092   if (iNewAddress != m_iStreamPath)
1093   {
1094     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1095     m_iStreamPath = iNewAddress;
1096   }
1097
1098   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1099     return;
1100
1101   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1102   if (device)
1103   {
1104     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1105     device->MarkAsActiveSource();
1106
1107     // respond with an active source message if this device is handled by libCEC
1108     if (device->IsHandledByLibCEC())
1109       device->TransmitActiveSource(true);
1110   }
1111   else
1112   {
1113     // try to find the device with the old address, and mark it as inactive when found
1114     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1115     if (device)
1116       device->MarkAsInactiveSource();
1117   }
1118 }
1119
1120 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1121 {
1122   bool bReturn(false);
1123   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1124
1125   MarkBusy();
1126   cec_power_status currentStatus;
1127   if (m_iLogicalAddress == CECDEVICE_TV ||
1128       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1129         currentStatus != CEC_POWER_STATUS_ON))
1130   {
1131     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1132     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1133   }
1134   else
1135   {
1136     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1137   }
1138
1139   MarkReady();
1140   return bReturn;
1141 }
1142
1143 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1144 {
1145   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1146
1147   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1148   MarkBusy();
1149   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1150   MarkReady();
1151   return bReturn;
1152 }
1153
1154 bool CCECBusDevice::NeedsPoll(void)
1155 {
1156   bool bSendPoll(false);
1157   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1158   switch (m_iLogicalAddress)
1159   {
1160   case CECDEVICE_PLAYBACKDEVICE3:
1161     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1162     break;
1163   case CECDEVICE_PLAYBACKDEVICE2:
1164     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1165     break;
1166   case CECDEVICE_RECORDINGDEVICE3:
1167     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1168     break;
1169   case CECDEVICE_RECORDINGDEVICE2:
1170     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1171     break;
1172   case CECDEVICE_TUNER4:
1173     pollAddress = CECDEVICE_TUNER3;
1174     break;
1175   case CECDEVICE_TUNER3:
1176     pollAddress = CECDEVICE_TUNER2;
1177     break;
1178   case CECDEVICE_TUNER2:
1179     pollAddress = CECDEVICE_TUNER1;
1180     break;
1181   case CECDEVICE_AUDIOSYSTEM:
1182   case CECDEVICE_PLAYBACKDEVICE1:
1183   case CECDEVICE_RECORDINGDEVICE1:
1184   case CECDEVICE_TUNER1:
1185   case CECDEVICE_TV:
1186     bSendPoll = true;
1187     break;
1188   default:
1189     break;
1190   }
1191
1192   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1193   {
1194     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1195     if (device)
1196     {
1197       cec_bus_device_status status = device->GetStatus();
1198       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1199     }
1200     else
1201     {
1202       bSendPoll = true;
1203     }
1204   }
1205
1206   return bSendPoll;
1207 }
1208
1209 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1210 {
1211   bool bRequestVendorId(false);
1212   {
1213     CLockObject lock(m_mutex);
1214     bRequestVendorId = !m_bVendorIdRequested;
1215     m_bVendorIdRequested = true;
1216   }
1217
1218   if (bRequestVendorId)
1219   {
1220     ReplaceHandler(false);
1221     GetVendorId(initiator);
1222   }
1223 }
1224 //@}
1225
1226 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1227 {
1228   return AsAudioSystem(this);
1229 }
1230
1231 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1232 {
1233   return AsPlaybackDevice(this);
1234 }
1235
1236 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1237 {
1238   return AsRecordingDevice(this);
1239 }
1240
1241 CCECTuner *CCECBusDevice::AsTuner(void)
1242 {
1243   return AsTuner(this);
1244 }
1245
1246 CCECTV *CCECBusDevice::AsTV(void)
1247 {
1248   return AsTV(this);
1249 }
1250
1251 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1252 {
1253   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1254     return static_cast<CCECAudioSystem *>(device);
1255   return NULL;
1256 }
1257
1258 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1259 {
1260   if (device &&
1261       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1262        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1263     return static_cast<CCECPlaybackDevice *>(device);
1264   return NULL;
1265 }
1266
1267 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1268 {
1269   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1270     return static_cast<CCECRecordingDevice *>(device);
1271   return NULL;
1272 }
1273
1274 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1275 {
1276   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1277     return static_cast<CCECTuner *>(device);
1278   return NULL;
1279 }
1280
1281 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1282 {
1283   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1284     return static_cast<CCECTV *>(device);
1285   return NULL;
1286 }
1287
1288 void CCECBusDevice::MarkBusy(void)
1289 {
1290   CLockObject handlerLock(m_handlerMutex);
1291   ++m_iHandlerUseCount;
1292 }
1293
1294 void CCECBusDevice::MarkReady(void)
1295 {
1296   CLockObject handlerLock(m_handlerMutex);
1297   if (m_iHandlerUseCount > 0)
1298     --m_iHandlerUseCount;
1299 }
1300
1301 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1302 {
1303   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1304
1305   if (!TransmitPoll(m_iLogicalAddress, false))
1306   {
1307     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1308     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1309
1310     return true;
1311   }
1312
1313   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1314   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1315   return false;
1316 }
1317
1318 CCECClient *CCECBusDevice::GetClient(void)
1319 {
1320   return m_processor->GetClient(m_iLogicalAddress);
1321 }
1322
1323 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1324 {
1325   m_waitForResponse->Received(opcode);
1326 }
1327
1328 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1329 {
1330   return m_waitForResponse->Wait(opcode);
1331 }