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     if (m_processor->GetDevices()->GetActiveSourceAddress() == iNewAddress)
 537       MarkAsActiveSource();
 538   }
 539   return true;
 540 }
 541
 542 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 543 {
 544   bool bReturn(false);
 545
 546   if (!IsHandledByLibCEC())
 547   {
 548     MarkBusy();
 549     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 550     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 551     MarkReady();
 552   }
 553   return bReturn;
 554 }
 555
 556 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 557 {
 558   uint16_t iPhysicalAddress;
 559   cec_device_type type;
 560   {
 561     CLockObject lock(m_mutex);
 562     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 563       return false;
 564
 565     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 566     iPhysicalAddress = m_iPhysicalAddress;
 567     type = m_type;
 568   }
 569
 570   MarkBusy();
 571   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 572   MarkReady();
 573   return bReturn;
 574 }
 575
 576 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 577 {
 578   CLockObject lock(m_mutex);
 579   return m_powerStatus;
 580 }
 581
 582 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 583 {
 584   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 585   bool bRequestUpdate(false);
 586   {
 587     CLockObject lock(m_mutex);
 588     bRequestUpdate = (bIsPresent &&
 589         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 590             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 591             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 592             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 593   }
 594
 595   if (bRequestUpdate)
 596   {
 597     CheckVendorIdRequested(initiator);
 598     RequestPowerStatus(initiator);
 599   }
 600
 601   CLockObject lock(m_mutex);
 602   return m_powerStatus;
 603 }
 604
 605 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 606 {
 607   CLockObject lock(m_mutex);
 608   if (m_powerStatus != powerStatus)
 609   {
 610     m_iLastPowerStateUpdate = GetTimeMs();
 611     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 612     m_powerStatus = powerStatus;
 613   }
 614 }
 615
 616 void CCECBusDevice::ImageViewOnSent(void)
 617 {
 618   CLockObject lock(m_mutex);
 619   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 620   {
 621     m_iLastPowerStateUpdate = GetTimeMs();
 622     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON));
 623     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 624   }
 625 }
 626
 627 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 628 {
 629   bool bReturn(false);
 630
 631   if (!IsHandledByLibCEC() &&
 632       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 633   {
 634     MarkBusy();
 635     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 636     MarkReady();
 637   }
 638   return bReturn;
 639 }
 640
 641 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 642 {
 643   cec_power_status state;
 644   {
 645     CLockObject lock(m_mutex);
 646     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 647     state = m_powerStatus;
 648   }
 649
 650   MarkBusy();
 651   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 652   MarkReady();
 653   return bReturn;
 654 }
 655
 656 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 657 {
 658   CLockObject lock(m_mutex);
 659   return m_vendor;
 660 }
 661
 662 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 663 {
 664   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 665   bool bRequestUpdate(false);
 666   {
 667     CLockObject lock(m_mutex);
 668     bRequestUpdate = (bIsPresent &&
 669         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 670   }
 671
 672   if (bRequestUpdate)
 673     RequestVendorId(initiator);
 674
 675   CLockObject lock(m_mutex);
 676   return m_vendor;
 677 }
 678
 679 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 680 {
 681   return ToString(GetVendorId(initiator, bUpdate));
 682 }
 683
 684 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 685 {
 686   bool bVendorChanged(false);
 687
 688   {
 689     CLockObject lock(m_mutex);
 690     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 691     m_vendor = (cec_vendor_id)iVendorId;
 692   }
 693
 694   if (bVendorChanged)
 695     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 696
 697   return bVendorChanged;
 698 }
 699
 700 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 701 {
 702   bool bReturn(false);
 703
 704   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 705   {
 706     MarkBusy();
 707     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 708     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 709     MarkReady();
 710
 711     if (bWaitForResponse)
 712       ReplaceHandler(true);
 713   }
 714   return bReturn;
 715 }
 716
 717 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 718 {
 719   bool bReturn(false);
 720   uint64_t iVendorId;
 721   {
 722     CLockObject lock(m_mutex);
 723     iVendorId = (uint64_t)m_vendor;
 724   }
 725
 726   MarkBusy();
 727   if (iVendorId == CEC_VENDOR_UNKNOWN)
 728   {
 729     if (bSendAbort)
 730     {
 731       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 732       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 733       bReturn = true;
 734     }
 735   }
 736   else
 737   {
 738     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);
 739     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 740   }
 741   MarkReady();
 742   return bReturn;
 743 }
 744
 745 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 746 {
 747   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 748     return CEC_DEVICE_STATUS_NOT_PRESENT;
 749
 750   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 751   bool bNeedsPoll(false);
 752
 753   {
 754     CLockObject lock(m_mutex);
 755     status = m_deviceStatus;
 756     bNeedsPoll = !bSuppressPoll &&
 757         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 758             // poll forced
 759             (bForcePoll ||
 760             // don't know the status
 761             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 762             // always poll the TV if it's marked as not present
 763             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 764   }
 765
 766   if (bNeedsPoll)
 767   {
 768     bool bPollAcked(false);
 769     if (bNeedsPoll && NeedsPoll())
 770       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 771
 772     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 773     SetDeviceStatus(status);
 774   }
 775
 776   return status;
 777 }
 778
 779 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 780 {
 781   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 782     return;
 783
 784   {
 785     CLockObject lock(m_mutex);
 786     switch (newStatus)
 787     {
 788     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 789       if (m_deviceStatus != newStatus)
 790         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 791       SetPowerStatus   (CEC_POWER_STATUS_ON);
 792       SetVendorId      (CEC_VENDOR_UNKNOWN);
 793       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 794       SetCecVersion    (libCECSpecVersion);
 795       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 796       MarkAsInactiveSource();
 797       m_iLastActive   = 0;
 798       m_deviceStatus  = newStatus;
 799       break;
 800     case CEC_DEVICE_STATUS_PRESENT:
 801       if (m_deviceStatus != newStatus)
 802         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 803       m_deviceStatus = newStatus;
 804       m_iLastActive = GetTimeMs();
 805       break;
 806     case CEC_DEVICE_STATUS_NOT_PRESENT:
 807       if (m_deviceStatus != newStatus)
 808       {
 809         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 810         ResetDeviceStatus(true);
 811         m_deviceStatus = newStatus;
 812       }
 813       break;
 814     default:
 815       ResetDeviceStatus();
 816       break;
 817     }
 818   }
 819 }
 820
 821 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 822 {
 823   CLockObject lock(m_mutex);
 824   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 825   SetVendorId      (CEC_VENDOR_UNKNOWN);
 826   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 827   SetCecVersion    (CEC_VERSION_UNKNOWN);
 828   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 829   SetOSDName       (ToString(m_iLogicalAddress));
 830   MarkAsInactiveSource(bClientUnregistered);
 831
 832   m_iLastActive = 0;
 833   m_bVendorIdRequested = false;
 834   m_unsupportedFeatures.clear();
 835   m_waitForResponse->Clear();
 836
 837   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 838     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 839   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 840 }
 841
 842 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 843 {
 844   bool bReturn(false);
 845   cec_logical_address destination(dest);
 846   if (destination == CECDEVICE_UNKNOWN)
 847     destination = m_iLogicalAddress;
 848
 849   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 850   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 851     return bReturn;
 852
 853   MarkBusy();
 854   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 855   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 856   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 857
 858   if (bUpdateDeviceStatus)
 859     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 860
 861   MarkReady();
 862   return bReturn;
 863 }
 864
 865 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 866 {
 867   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 868   {
 869     CCECBusDevice *device = m_processor->GetDevice(destination);
 870     if (device)
 871       device->HandlePollFrom(m_iLogicalAddress);
 872   }
 873 }
 874
 875 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 876 {
 877   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 878   m_bAwaitingReceiveFailed = true;
 879 }
 880
 881 bool CCECBusDevice::HandleReceiveFailed(void)
 882 {
 883   bool bReturn = m_bAwaitingReceiveFailed;
 884   m_bAwaitingReceiveFailed = false;
 885   return bReturn;
 886 }
 887
 888 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 889 {
 890   CLockObject lock(m_mutex);
 891   return m_menuState;
 892 }
 893
 894 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 895 {
 896   CLockObject lock(m_mutex);
 897   if (m_menuState != state)
 898   {
 899     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 900     m_menuState = state;
 901   }
 902 }
 903
 904 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 905 {
 906   cec_menu_state menuState;
 907   {
 908     CLockObject lock(m_mutex);
 909     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 910     menuState = m_menuState;
 911   }
 912
 913   MarkBusy();
 914   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 915   MarkReady();
 916   return bReturn;
 917 }
 918
 919 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 920 {
 921   MarkAsActiveSource();
 922   MarkBusy();
 923   bool bReturn(true);
 924   if (iDelay == 0)
 925   {
 926     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 927     bReturn = m_handler->ActivateSource();
 928   }
 929   else
 930   {
 931     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 932     m_handler->ScheduleActivateSource(iDelay);
 933   }
 934   MarkReady();
 935   return bReturn;
 936 }
 937
 938 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 939 {
 940   bool bReturn(false);
 941
 942   if (IsHandledByLibCEC())
 943   {
 944     MarkBusy();
 945     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 946
 947     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 948     MarkReady();
 949   }
 950   return bReturn;
 951 }
 952
 953 void CCECBusDevice::MarkAsActiveSource(void)
 954 {
 955   bool bWasActivated(false);
 956
 957   // set the power status to powered on
 958   SetPowerStatus(CEC_POWER_STATUS_ON);
 959
 960   // mark this device as active source
 961   {
 962     CLockObject lock(m_mutex);
 963     if (!m_bActiveSource)
 964     {
 965       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 966       bWasActivated = true;
 967     }
 968     else
 969       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 970
 971     m_bActiveSource = true;
 972   }
 973
 974   // mark other devices as inactive sources
 975   CECDEVICEVEC devices;
 976   m_processor->GetDevices()->Get(devices);
 977   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 978     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 979       (*it)->MarkAsInactiveSource();
 980
 981   if (bWasActivated)
 982   {
 983     if (IsHandledByLibCEC())
 984       m_processor->SetActiveSource(true, false);
 985     CCECClient *client = GetClient();
 986     if (client)
 987       client->SourceActivated(m_iLogicalAddress);
 988   }
 989 }
 990
 991 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
 992 {
 993   bool bWasDeactivated(false);
 994   {
 995     CLockObject lock(m_mutex);
 996     if (m_bActiveSource)
 997     {
 998       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 999       bWasDeactivated = true;
1000     }
1001     m_bActiveSource = false;
1002   }
1003
1004   if (bWasDeactivated)
1005   {
1006     if (IsHandledByLibCEC())
1007       m_processor->SetActiveSource(false, bClientUnregistered);
1008     CCECClient *client = GetClient();
1009     if (client)
1010       client->SourceDeactivated(m_iLogicalAddress);
1011   }
1012 }
1013
1014 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1015 {
1016   bool bSendActiveSource(false);
1017   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1018
1019   {
1020     CLockObject lock(m_mutex);
1021     if (!HasValidPhysicalAddress())
1022     {
1023       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1024       return false;
1025     }
1026
1027     iPhysicalAddress = m_iPhysicalAddress;
1028
1029     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1030       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1031     else if (m_bActiveSource)
1032     {
1033       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1034       bSendActiveSource = true;
1035     }
1036     else
1037       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1038   }
1039
1040   bool bActiveSourceSent(false);
1041   if (bSendActiveSource)
1042   {
1043     MarkBusy();
1044     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1045     MarkReady();
1046   }
1047
1048   return bActiveSourceSent;
1049 }
1050
1051 bool CCECBusDevice::TransmitImageViewOn(void)
1052 {
1053   {
1054     CLockObject lock(m_mutex);
1055     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1056     {
1057       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1058       return false;
1059     }
1060   }
1061
1062   bool bImageViewOnSent(false);
1063   MarkBusy();
1064   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1065   MarkReady();
1066
1067   if (bImageViewOnSent)
1068   {
1069     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1070     if (tv)
1071       tv->ImageViewOnSent();
1072   }
1073
1074   return bImageViewOnSent;
1075 }
1076
1077 bool CCECBusDevice::TransmitInactiveSource(void)
1078 {
1079   uint16_t iPhysicalAddress;
1080   {
1081     CLockObject lock(m_mutex);
1082     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1083     iPhysicalAddress = m_iPhysicalAddress;
1084   }
1085
1086   MarkBusy();
1087   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1088   MarkReady();
1089   return bReturn;
1090 }
1091
1092 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1093 {
1094   MarkBusy();
1095   bool bReturn = m_handler->ActivateSource(true);
1096   MarkReady();
1097   return bReturn;
1098 }
1099
1100 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1101 {
1102   CCECDeviceMap* map = m_processor->GetDevices();
1103   if (!map)
1104     return;
1105
1106   CCECBusDevice* previouslyActive = map->GetActiveSource();
1107   if (!previouslyActive)
1108     return;
1109
1110   CECDEVICEVEC devices;
1111   m_processor->GetDevices()->GetChildrenOf(devices, this);
1112
1113   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1114   {
1115     if (!CCECTypeUtils::PhysicalAddressIsIncluded(iRoute, (*it)->GetCurrentPhysicalAddress()))
1116       (*it)->MarkAsInactiveSource();
1117   }
1118 }
1119
1120 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1121 {
1122   CLockObject lock(m_mutex);
1123   if (iNewAddress != m_iStreamPath)
1124   {
1125     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1126     m_iStreamPath = iNewAddress;
1127   }
1128
1129   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1130     return;
1131
1132   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1133   if (device)
1134   {
1135     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1136     device->MarkAsActiveSource();
1137
1138     // respond with an active source message if this device is handled by libCEC
1139     if (device->IsHandledByLibCEC())
1140       device->TransmitActiveSource(true);
1141   }
1142   else
1143   {
1144     // try to find the device with the old address, and mark it as inactive when found
1145     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1146     if (device)
1147       device->MarkAsInactiveSource();
1148   }
1149 }
1150
1151 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1152 {
1153   bool bReturn(false);
1154   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1155
1156   MarkBusy();
1157   cec_power_status currentStatus;
1158   if (m_iLogicalAddress == CECDEVICE_TV ||
1159       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1160         currentStatus != CEC_POWER_STATUS_ON))
1161   {
1162     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1163     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1164   }
1165   else
1166   {
1167     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1168   }
1169
1170   MarkReady();
1171   return bReturn;
1172 }
1173
1174 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1175 {
1176   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1177
1178   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1179   MarkBusy();
1180   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1181   MarkReady();
1182   return bReturn;
1183 }
1184
1185 bool CCECBusDevice::NeedsPoll(void)
1186 {
1187   bool bSendPoll(false);
1188   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1189   switch (m_iLogicalAddress)
1190   {
1191   case CECDEVICE_PLAYBACKDEVICE3:
1192     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1193     break;
1194   case CECDEVICE_PLAYBACKDEVICE2:
1195     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1196     break;
1197   case CECDEVICE_RECORDINGDEVICE3:
1198     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1199     break;
1200   case CECDEVICE_RECORDINGDEVICE2:
1201     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1202     break;
1203   case CECDEVICE_TUNER4:
1204     pollAddress = CECDEVICE_TUNER3;
1205     break;
1206   case CECDEVICE_TUNER3:
1207     pollAddress = CECDEVICE_TUNER2;
1208     break;
1209   case CECDEVICE_TUNER2:
1210     pollAddress = CECDEVICE_TUNER1;
1211     break;
1212   case CECDEVICE_AUDIOSYSTEM:
1213   case CECDEVICE_PLAYBACKDEVICE1:
1214   case CECDEVICE_RECORDINGDEVICE1:
1215   case CECDEVICE_TUNER1:
1216   case CECDEVICE_TV:
1217     bSendPoll = true;
1218     break;
1219   default:
1220     break;
1221   }
1222
1223   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1224   {
1225     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1226     if (device)
1227     {
1228       cec_bus_device_status status = device->GetStatus();
1229       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1230     }
1231     else
1232     {
1233       bSendPoll = true;
1234     }
1235   }
1236
1237   return bSendPoll;
1238 }
1239
1240 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1241 {
1242   bool bRequestVendorId(false);
1243   {
1244     CLockObject lock(m_mutex);
1245     bRequestVendorId = !m_bVendorIdRequested;
1246     m_bVendorIdRequested = true;
1247   }
1248
1249   if (bRequestVendorId)
1250   {
1251     ReplaceHandler(false);
1252     GetVendorId(initiator);
1253   }
1254 }
1255 //@}
1256
1257 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1258 {
1259   return AsAudioSystem(this);
1260 }
1261
1262 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1263 {
1264   return AsPlaybackDevice(this);
1265 }
1266
1267 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1268 {
1269   return AsRecordingDevice(this);
1270 }
1271
1272 CCECTuner *CCECBusDevice::AsTuner(void)
1273 {
1274   return AsTuner(this);
1275 }
1276
1277 CCECTV *CCECBusDevice::AsTV(void)
1278 {
1279   return AsTV(this);
1280 }
1281
1282 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1283 {
1284   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1285     return static_cast<CCECAudioSystem *>(device);
1286   return NULL;
1287 }
1288
1289 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1290 {
1291   if (device &&
1292       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1293        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1294     return static_cast<CCECPlaybackDevice *>(device);
1295   return NULL;
1296 }
1297
1298 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1299 {
1300   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1301     return static_cast<CCECRecordingDevice *>(device);
1302   return NULL;
1303 }
1304
1305 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1306 {
1307   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1308     return static_cast<CCECTuner *>(device);
1309   return NULL;
1310 }
1311
1312 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1313 {
1314   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1315     return static_cast<CCECTV *>(device);
1316   return NULL;
1317 }
1318
1319 void CCECBusDevice::MarkBusy(void)
1320 {
1321   CLockObject handlerLock(m_handlerMutex);
1322   ++m_iHandlerUseCount;
1323 }
1324
1325 void CCECBusDevice::MarkReady(void)
1326 {
1327   CLockObject handlerLock(m_handlerMutex);
1328   if (m_iHandlerUseCount > 0)
1329     --m_iHandlerUseCount;
1330 }
1331
1332 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1333 {
1334   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1335
1336   if (!TransmitPoll(m_iLogicalAddress, false))
1337   {
1338     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1339     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1340
1341     return true;
1342   }
1343
1344   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1345   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1346   return false;
1347 }
1348
1349 CCECClient *CCECBusDevice::GetClient(void)
1350 {
1351   return m_processor->GetClient(m_iLogicalAddress);
1352 }
1353
1354 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1355 {
1356   m_waitForResponse->Received(opcode);
1357 }
1358
1359 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1360 {
1361   return m_waitForResponse->Wait(opcode);
1362 }