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   m_bImageViewOnSent      (false)
  80 {
  81   m_handler = new CCECCommandHandler(this);
  82
  83   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  84     m_menuLanguage.language[iPtr] = '?';
  85   m_menuLanguage.language[3] = 0;
  86   m_menuLanguage.device = iLogicalAddress;
  87
  88   m_strDeviceName = ToString(m_iLogicalAddress);
  89 }
  90
  91 CCECBusDevice::~CCECBusDevice(void)
  92 {
  93   DELETE_AND_NULL(m_handler);
  94   DELETE_AND_NULL(m_waitForResponse);
  95 }
  96
  97 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  98 {
  99   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 100     return false;
 101
 102   bool bInitHandler(false);
 103   {
 104     CLockObject lock(m_mutex);
 105     CLockObject handlerLock(m_handlerMutex);
 106     if (m_iHandlerUseCount > 0)
 107       return false;
 108
 109     MarkBusy();
 110
 111     if (m_vendor != m_handler->GetVendorId())
 112     {
 113       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 114       {
 115         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 116
 117         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 118         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 119         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 120         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 121
 122         DELETE_AND_NULL(m_handler);
 123
 124         switch (m_vendor)
 125         {
 126         case CEC_VENDOR_SAMSUNG:
 127           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 128           break;
 129         case CEC_VENDOR_LG:
 130           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 131           break;
 132         case CEC_VENDOR_PANASONIC:
 133           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 134           break;
 135         default:
 136           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 137           break;
 138         }
 139
 140         m_handler->SetVendorId(m_vendor);
 141         bInitHandler = true;
 142       }
 143     }
 144   }
 145
 146   if (bInitHandler)
 147   {
 148     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 149     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 150     {
 151       m_handler->InitHandler();
 152
 153       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 154         m_handler->ActivateSource();
 155     }
 156   }
 157
 158   MarkReady();
 159
 160   return true;
 161 }
 162
 163 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 164 {
 165   ReplaceHandler(false);
 166   MarkBusy();
 167   return m_handler;
 168 }
 169
 170 bool CCECBusDevice::HandleCommand(const cec_command &command)
 171 {
 172   bool bHandled(false);
 173
 174   /* update "last active" */
 175   {
 176     CLockObject lock(m_mutex);
 177     m_iLastActive = GetTimeMs();
 178     MarkBusy();
 179   }
 180
 181   /* handle the command */
 182   bHandled = m_handler->HandleCommand(command);
 183
 184   /* change status to present */
 185   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST)
 186   {
 187     CLockObject lock(m_mutex);
 188     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 189     {
 190       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 191         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 192       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 193     }
 194   }
 195
 196   MarkReady();
 197   return bHandled;
 198 }
 199
 200 const char* CCECBusDevice::GetLogicalAddressName(void) const
 201 {
 202   return ToString(m_iLogicalAddress);
 203 }
 204
 205 bool CCECBusDevice::IsPresent(void)
 206 {
 207   CLockObject lock(m_mutex);
 208   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 209 }
 210
 211 bool CCECBusDevice::IsHandledByLibCEC(void)
 212 {
 213   CLockObject lock(m_mutex);
 214   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 215 }
 216
 217 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 218 {
 219   // some commands should never be marked as unsupported
 220   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 221       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 222       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 223       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 224       opcode == CEC_OPCODE_ABORT ||
 225       opcode == CEC_OPCODE_FEATURE_ABORT ||
 226       opcode == CEC_OPCODE_NONE)
 227     return;
 228
 229   {
 230     CLockObject lock(m_mutex);
 231     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 232     {
 233       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 234       m_unsupportedFeatures.insert(opcode);
 235     }
 236   }
 237
 238   // signal threads that are waiting for a reponse
 239   MarkBusy();
 240   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 241   MarkReady();
 242 }
 243
 244 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 245 {
 246   CLockObject lock(m_mutex);
 247   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 248   if (bUnsupported)
 249     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 250   return bUnsupported;
 251 }
 252
 253 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 254 {
 255   MarkBusy();
 256   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 257   MarkReady();
 258   return bReturn;
 259 }
 260
 261 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 262 {
 263   MarkBusy();
 264   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 265   MarkReady();
 266   return bReturn;
 267 }
 268
 269 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 270 {
 271   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 272   bool bRequestUpdate(false);
 273   {
 274     CLockObject lock(m_mutex);
 275     bRequestUpdate = bIsPresent &&
 276         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 277   }
 278
 279   if (bRequestUpdate)
 280   {
 281     CheckVendorIdRequested(initiator);
 282     RequestCecVersion(initiator);
 283   }
 284
 285   CLockObject lock(m_mutex);
 286   return m_cecVersion;
 287 }
 288
 289 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 290 {
 291   CLockObject lock(m_mutex);
 292   if (m_cecVersion != newVersion)
 293     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 294   m_cecVersion = newVersion;
 295 }
 296
 297 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 298 {
 299   bool bReturn(false);
 300
 301   if (!IsHandledByLibCEC() &&
 302       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 303   {
 304     MarkBusy();
 305     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 306     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 307     MarkReady();
 308   }
 309   return bReturn;
 310 }
 311
 312 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 313 {
 314   cec_version version;
 315   {
 316     CLockObject lock(m_mutex);
 317     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 318     version = m_cecVersion;
 319   }
 320
 321   MarkBusy();
 322   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 323   MarkReady();
 324   return bReturn;
 325 }
 326
 327 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 328 {
 329   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 330   bool bRequestUpdate(false);
 331   {
 332     CLockObject lock(m_mutex);
 333     bRequestUpdate = (bIsPresent &&
 334         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 335   }
 336
 337   if (bRequestUpdate)
 338   {
 339     CheckVendorIdRequested(initiator);
 340     RequestMenuLanguage(initiator);
 341   }
 342
 343   CLockObject lock(m_mutex);
 344   return m_menuLanguage;
 345 }
 346
 347 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 348 {
 349   if (!strLanguage)
 350     return;
 351
 352   CLockObject lock(m_mutex);
 353   if (strcmp(strLanguage, m_menuLanguage.language))
 354   {
 355     memcpy(m_menuLanguage.language, strLanguage, 3);
 356     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 357   }
 358 }
 359
 360 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 361 {
 362   if (language.device == m_iLogicalAddress)
 363     SetMenuLanguage(language.language);
 364 }
 365
 366 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 367 {
 368   bool bReturn(false);
 369
 370   if (!IsHandledByLibCEC() &&
 371       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 372   {
 373     MarkBusy();
 374     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 375     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 376     MarkReady();
 377   }
 378   return bReturn;
 379 }
 380
 381 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 382 {
 383   bool bReturn(false);
 384   cec_menu_language language;
 385   {
 386     CLockObject lock(m_mutex);
 387     language = m_menuLanguage;
 388   }
 389
 390   char lang[3];
 391   {
 392     CLockObject lock(m_mutex);
 393     lang[0] = language.language[0];
 394     lang[1] = language.language[1];
 395     lang[2] = language.language[2];
 396   }
 397
 398   MarkBusy();
 399   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 400   {
 401     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 402     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 403     bReturn = true;
 404   }
 405   else
 406   {
 407     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 408     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 409   }
 410   MarkReady();
 411   return bReturn;
 412 }
 413
 414 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 415 {
 416   bool bReturn(false);
 417   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 418   {
 419     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 420     MarkBusy();
 421     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 422     MarkReady();
 423   }
 424   return bReturn;
 425 }
 426
 427 CStdString CCECBusDevice::GetCurrentOSDName(void)
 428 {
 429   CLockObject lock(m_mutex);
 430   return m_strDeviceName;
 431 }
 432
 433 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 434 {
 435   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 436   bool bRequestUpdate(false);
 437   {
 438     CLockObject lock(m_mutex);
 439     bRequestUpdate = bIsPresent &&
 440         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 441         m_type != CEC_DEVICE_TYPE_TV;
 442   }
 443
 444   if (bRequestUpdate)
 445   {
 446     CheckVendorIdRequested(initiator);
 447     RequestOSDName(initiator);
 448   }
 449
 450   CLockObject lock(m_mutex);
 451   return m_strDeviceName;
 452 }
 453
 454 void CCECBusDevice::SetOSDName(CStdString strName)
 455 {
 456   CLockObject lock(m_mutex);
 457   if (m_strDeviceName != strName)
 458   {
 459     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 460     m_strDeviceName = strName;
 461   }
 462 }
 463
 464 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 465 {
 466   bool bReturn(false);
 467
 468   if (!IsHandledByLibCEC() &&
 469       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 470   {
 471     MarkBusy();
 472     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 473     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 474     MarkReady();
 475   }
 476   return bReturn;
 477 }
 478
 479 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 480 {
 481   CStdString strDeviceName;
 482   {
 483     CLockObject lock(m_mutex);
 484     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 485     strDeviceName = m_strDeviceName;
 486   }
 487
 488   MarkBusy();
 489   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 490   MarkReady();
 491   return bReturn;
 492 }
 493
 494 bool CCECBusDevice::HasValidPhysicalAddress(void)
 495 {
 496   CLockObject lock(m_mutex);
 497   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 498 }
 499
 500 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 501 {
 502   CLockObject lock(m_mutex);
 503   return m_iPhysicalAddress;
 504 }
 505
 506 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 507 {
 508   if (!bSuppressUpdate)
 509   {
 510     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 511     bool bRequestUpdate(false);
 512     {
 513       CLockObject lock(m_mutex);
 514       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 515     }
 516
 517     if (bRequestUpdate)
 518     {
 519       CheckVendorIdRequested(initiator);
 520       if (!RequestPhysicalAddress(initiator))
 521         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 522     }
 523   }
 524
 525   CLockObject lock(m_mutex);
 526   return m_iPhysicalAddress;
 527 }
 528
 529 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 530 {
 531   CLockObject lock(m_mutex);
 532   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 533   {
 534     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 535     m_iPhysicalAddress = iNewAddress;
 536
 537     if (m_processor->GetDevices()->GetActiveSourceAddress() == iNewAddress)
 538       MarkAsActiveSource();
 539   }
 540   return true;
 541 }
 542
 543 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 544 {
 545   bool bReturn(false);
 546
 547   if (!IsHandledByLibCEC())
 548   {
 549     MarkBusy();
 550     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 551     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 552     MarkReady();
 553   }
 554   return bReturn;
 555 }
 556
 557 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 558 {
 559   uint16_t iPhysicalAddress;
 560   cec_device_type type;
 561   {
 562     CLockObject lock(m_mutex);
 563     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 564       return false;
 565
 566     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 567     iPhysicalAddress = m_iPhysicalAddress;
 568     type = m_type;
 569   }
 570
 571   MarkBusy();
 572   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 573   MarkReady();
 574   return bReturn;
 575 }
 576
 577 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 578 {
 579   CLockObject lock(m_mutex);
 580   return m_powerStatus;
 581 }
 582
 583 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 584 {
 585   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 586   bool bRequestUpdate(false);
 587   {
 588     CLockObject lock(m_mutex);
 589     bRequestUpdate = (bIsPresent &&
 590         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 591             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 592             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 593             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 594   }
 595
 596   if (bRequestUpdate)
 597   {
 598     CheckVendorIdRequested(initiator);
 599     RequestPowerStatus(initiator);
 600   }
 601
 602   CLockObject lock(m_mutex);
 603   return m_powerStatus;
 604 }
 605
 606 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 607 {
 608   CLockObject lock(m_mutex);
 609   if (m_powerStatus != powerStatus)
 610   {
 611     m_iLastPowerStateUpdate = GetTimeMs();
 612     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 613     m_powerStatus = powerStatus;
 614   }
 615 }
 616
 617 void CCECBusDevice::OnImageViewOnSent(bool bSentByLibCEC)
 618 {
 619   CLockObject lock(m_mutex);
 620   m_bImageViewOnSent = bSentByLibCEC;
 621
 622   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 623   {
 624     m_iLastPowerStateUpdate = GetTimeMs();
 625     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));
 626     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 627   }
 628 }
 629
 630 bool CCECBusDevice::ImageViewOnSent(void)
 631 {
 632   CLockObject lock(m_mutex);
 633   return m_bImageViewOnSent;
 634 }
 635
 636 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 637 {
 638   bool bReturn(false);
 639
 640   if (!IsHandledByLibCEC() &&
 641       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 642   {
 643     MarkBusy();
 644     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 645     MarkReady();
 646   }
 647   return bReturn;
 648 }
 649
 650 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 651 {
 652   cec_power_status state;
 653   {
 654     CLockObject lock(m_mutex);
 655     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 656     state = m_powerStatus;
 657   }
 658
 659   MarkBusy();
 660   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 661   MarkReady();
 662   return bReturn;
 663 }
 664
 665 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 666 {
 667   CLockObject lock(m_mutex);
 668   return m_vendor;
 669 }
 670
 671 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 672 {
 673   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 674   bool bRequestUpdate(false);
 675   {
 676     CLockObject lock(m_mutex);
 677     bRequestUpdate = (bIsPresent &&
 678         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 679   }
 680
 681   if (bRequestUpdate)
 682     RequestVendorId(initiator);
 683
 684   CLockObject lock(m_mutex);
 685   return m_vendor;
 686 }
 687
 688 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 689 {
 690   return ToString(GetVendorId(initiator, bUpdate));
 691 }
 692
 693 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 694 {
 695   bool bVendorChanged(false);
 696
 697   {
 698     CLockObject lock(m_mutex);
 699     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 700     m_vendor = (cec_vendor_id)iVendorId;
 701   }
 702
 703   if (bVendorChanged)
 704     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 705
 706   return bVendorChanged;
 707 }
 708
 709 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 710 {
 711   bool bReturn(false);
 712
 713   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 714   {
 715     MarkBusy();
 716     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 717     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 718     MarkReady();
 719
 720     if (bWaitForResponse)
 721       ReplaceHandler(true);
 722   }
 723   return bReturn;
 724 }
 725
 726 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 727 {
 728   bool bReturn(false);
 729   uint64_t iVendorId;
 730   {
 731     CLockObject lock(m_mutex);
 732     iVendorId = (uint64_t)m_vendor;
 733   }
 734
 735   MarkBusy();
 736   if (iVendorId == CEC_VENDOR_UNKNOWN)
 737   {
 738     if (bSendAbort)
 739     {
 740       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 741       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 742       bReturn = true;
 743     }
 744   }
 745   else
 746   {
 747     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);
 748     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 749   }
 750   MarkReady();
 751   return bReturn;
 752 }
 753
 754 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 755 {
 756   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 757     return CEC_DEVICE_STATUS_NOT_PRESENT;
 758
 759   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 760   bool bNeedsPoll(false);
 761
 762   {
 763     CLockObject lock(m_mutex);
 764     status = m_deviceStatus;
 765     bNeedsPoll = !bSuppressPoll &&
 766         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 767             // poll forced
 768             (bForcePoll ||
 769             // don't know the status
 770             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 771             // always poll the TV if it's marked as not present
 772             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 773   }
 774
 775   if (bNeedsPoll)
 776   {
 777     bool bPollAcked(false);
 778     if (bNeedsPoll && NeedsPoll())
 779       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 780
 781     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 782     SetDeviceStatus(status);
 783   }
 784
 785   return status;
 786 }
 787
 788 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 789 {
 790   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 791     return;
 792
 793   {
 794     CLockObject lock(m_mutex);
 795     switch (newStatus)
 796     {
 797     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 798       if (m_deviceStatus != newStatus)
 799         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 800       SetPowerStatus   (CEC_POWER_STATUS_ON);
 801       SetVendorId      (CEC_VENDOR_UNKNOWN);
 802       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 803       SetCecVersion    (libCECSpecVersion);
 804       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 805       MarkAsInactiveSource();
 806       m_iLastActive   = 0;
 807       m_deviceStatus  = newStatus;
 808       break;
 809     case CEC_DEVICE_STATUS_PRESENT:
 810       if (m_deviceStatus != newStatus)
 811         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 812       m_deviceStatus = newStatus;
 813       m_iLastActive = GetTimeMs();
 814       break;
 815     case CEC_DEVICE_STATUS_NOT_PRESENT:
 816       if (m_deviceStatus != newStatus)
 817       {
 818         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 819         ResetDeviceStatus(true);
 820         m_deviceStatus = newStatus;
 821       }
 822       break;
 823     default:
 824       ResetDeviceStatus();
 825       break;
 826     }
 827   }
 828 }
 829
 830 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 831 {
 832   CLockObject lock(m_mutex);
 833   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 834   SetVendorId      (CEC_VENDOR_UNKNOWN);
 835   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 836   SetCecVersion    (CEC_VERSION_UNKNOWN);
 837   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 838   SetOSDName       (ToString(m_iLogicalAddress));
 839   MarkAsInactiveSource(bClientUnregistered);
 840
 841   m_iLastActive = 0;
 842   m_bVendorIdRequested = false;
 843   m_unsupportedFeatures.clear();
 844   m_waitForResponse->Clear();
 845
 846   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 847     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 848   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 849 }
 850
 851 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 852 {
 853   bool bReturn(false);
 854   cec_logical_address destination(dest);
 855   if (destination == CECDEVICE_UNKNOWN)
 856     destination = m_iLogicalAddress;
 857
 858   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 859   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 860     return bReturn;
 861
 862   MarkBusy();
 863   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 864   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 865   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 866
 867   if (bUpdateDeviceStatus)
 868     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 869
 870   MarkReady();
 871   return bReturn;
 872 }
 873
 874 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 875 {
 876   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 877   {
 878     CCECBusDevice *device = m_processor->GetDevice(destination);
 879     if (device)
 880       device->HandlePollFrom(m_iLogicalAddress);
 881   }
 882 }
 883
 884 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 885 {
 886   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 887   m_bAwaitingReceiveFailed = true;
 888 }
 889
 890 bool CCECBusDevice::HandleReceiveFailed(void)
 891 {
 892   bool bReturn = m_bAwaitingReceiveFailed;
 893   m_bAwaitingReceiveFailed = false;
 894   return bReturn;
 895 }
 896
 897 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 898 {
 899   CLockObject lock(m_mutex);
 900   return m_menuState;
 901 }
 902
 903 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 904 {
 905   CLockObject lock(m_mutex);
 906   if (m_menuState != state)
 907   {
 908     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 909     m_menuState = state;
 910   }
 911 }
 912
 913 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 914 {
 915   cec_menu_state menuState;
 916   {
 917     CLockObject lock(m_mutex);
 918     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 919     menuState = m_menuState;
 920   }
 921
 922   MarkBusy();
 923   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 924   MarkReady();
 925   return bReturn;
 926 }
 927
 928 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 929 {
 930   MarkAsActiveSource();
 931   MarkBusy();
 932   bool bReturn(true);
 933   if (iDelay == 0)
 934   {
 935     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 936     bReturn = m_handler->ActivateSource();
 937   }
 938   else
 939   {
 940     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 941     m_handler->ScheduleActivateSource(iDelay);
 942   }
 943   MarkReady();
 944   return bReturn;
 945 }
 946
 947 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 948 {
 949   bool bReturn(false);
 950
 951   if (IsHandledByLibCEC())
 952   {
 953     MarkBusy();
 954     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 955
 956     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 957     MarkReady();
 958   }
 959   return bReturn;
 960 }
 961
 962 void CCECBusDevice::MarkAsActiveSource(void)
 963 {
 964   bool bWasActivated(false);
 965
 966   // set the power status to powered on
 967   SetPowerStatus(CEC_POWER_STATUS_ON);
 968
 969   // mark this device as active source
 970   {
 971     CLockObject lock(m_mutex);
 972     if (!m_bActiveSource)
 973     {
 974       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 975       bWasActivated = true;
 976     }
 977     else
 978       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 979
 980     m_bActiveSource = true;
 981   }
 982
 983   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
 984   if (tv)
 985     tv->OnImageViewOnSent(false);
 986
 987   // mark other devices as inactive sources
 988   CECDEVICEVEC devices;
 989   m_processor->GetDevices()->Get(devices);
 990   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 991     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 992       (*it)->MarkAsInactiveSource();
 993
 994   if (bWasActivated)
 995   {
 996     if (IsHandledByLibCEC())
 997       m_processor->SetActiveSource(true, false);
 998     CCECClient *client = GetClient();
 999     if (client)
1000       client->SourceActivated(m_iLogicalAddress);
1001   }
1002 }
1003
1004 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1005 {
1006   bool bWasDeactivated(false);
1007   {
1008     CLockObject lock(m_mutex);
1009     if (m_bActiveSource)
1010     {
1011       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1012       bWasDeactivated = true;
1013     }
1014     m_bActiveSource = false;
1015   }
1016
1017   if (bWasDeactivated)
1018   {
1019     if (IsHandledByLibCEC())
1020       m_processor->SetActiveSource(false, bClientUnregistered);
1021     CCECClient *client = GetClient();
1022     if (client)
1023       client->SourceDeactivated(m_iLogicalAddress);
1024   }
1025 }
1026
1027 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1028 {
1029   bool bSendActiveSource(false);
1030   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1031
1032   {
1033     CLockObject lock(m_mutex);
1034     if (!HasValidPhysicalAddress())
1035     {
1036       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1037       return false;
1038     }
1039
1040     iPhysicalAddress = m_iPhysicalAddress;
1041
1042     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1043       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1044     else if (m_bActiveSource)
1045     {
1046       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1047       bSendActiveSource = true;
1048     }
1049     else
1050       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1051   }
1052
1053   bool bActiveSourceSent(false);
1054   if (bSendActiveSource)
1055   {
1056     MarkBusy();
1057     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1058     MarkReady();
1059   }
1060
1061   return bActiveSourceSent;
1062 }
1063
1064 bool CCECBusDevice::TransmitImageViewOn(void)
1065 {
1066   {
1067     CLockObject lock(m_mutex);
1068     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1069     {
1070       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1071       return false;
1072     }
1073   }
1074
1075   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1076   if (!tv)
1077   {
1078     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1079     return false;
1080   }
1081
1082   if (tv->ImageViewOnSent())
1083   {
1084     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1085     return true;
1086   }
1087
1088   bool bImageViewOnSent(false);
1089   MarkBusy();
1090   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1091   MarkReady();
1092
1093   if (bImageViewOnSent)
1094     tv->OnImageViewOnSent(true);
1095
1096   return bImageViewOnSent;
1097 }
1098
1099 bool CCECBusDevice::TransmitInactiveSource(void)
1100 {
1101   uint16_t iPhysicalAddress;
1102   {
1103     CLockObject lock(m_mutex);
1104     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1105     iPhysicalAddress = m_iPhysicalAddress;
1106   }
1107
1108   MarkBusy();
1109   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1110   MarkReady();
1111   return bReturn;
1112 }
1113
1114 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1115 {
1116   MarkBusy();
1117   bool bReturn = m_handler->ActivateSource(true);
1118   MarkReady();
1119   return bReturn;
1120 }
1121
1122 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1123 {
1124   CCECDeviceMap* map = m_processor->GetDevices();
1125   if (!map)
1126     return;
1127
1128   CCECBusDevice* previouslyActive = map->GetActiveSource();
1129   if (!previouslyActive)
1130     return;
1131
1132   CECDEVICEVEC devices;
1133   m_processor->GetDevices()->GetChildrenOf(devices, this);
1134
1135   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1136   {
1137     if (!CCECTypeUtils::PhysicalAddressIsIncluded(iRoute, (*it)->GetCurrentPhysicalAddress()))
1138       (*it)->MarkAsInactiveSource();
1139   }
1140 }
1141
1142 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1143 {
1144   CLockObject lock(m_mutex);
1145   if (iNewAddress != m_iStreamPath)
1146   {
1147     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1148     m_iStreamPath = iNewAddress;
1149   }
1150
1151   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1152     return;
1153
1154   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1155   if (device)
1156   {
1157     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1158     device->MarkAsActiveSource();
1159
1160     // respond with an active source message if this device is handled by libCEC
1161     if (device->IsHandledByLibCEC())
1162       device->TransmitActiveSource(true);
1163   }
1164   else
1165   {
1166     // try to find the device with the old address, and mark it as inactive when found
1167     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1168     if (device)
1169       device->MarkAsInactiveSource();
1170   }
1171 }
1172
1173 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1174 {
1175   bool bReturn(false);
1176   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1177
1178   MarkBusy();
1179   cec_power_status currentStatus;
1180   if (m_iLogicalAddress == CECDEVICE_TV ||
1181       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1182         currentStatus != CEC_POWER_STATUS_ON))
1183   {
1184     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1185     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1186   }
1187   else
1188   {
1189     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1190   }
1191
1192   MarkReady();
1193   return bReturn;
1194 }
1195
1196 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1197 {
1198   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1199
1200   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1201   MarkBusy();
1202   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1203   MarkReady();
1204   return bReturn;
1205 }
1206
1207 bool CCECBusDevice::NeedsPoll(void)
1208 {
1209   bool bSendPoll(false);
1210   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1211   switch (m_iLogicalAddress)
1212   {
1213   case CECDEVICE_PLAYBACKDEVICE3:
1214     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1215     break;
1216   case CECDEVICE_PLAYBACKDEVICE2:
1217     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1218     break;
1219   case CECDEVICE_RECORDINGDEVICE3:
1220     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1221     break;
1222   case CECDEVICE_RECORDINGDEVICE2:
1223     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1224     break;
1225   case CECDEVICE_TUNER4:
1226     pollAddress = CECDEVICE_TUNER3;
1227     break;
1228   case CECDEVICE_TUNER3:
1229     pollAddress = CECDEVICE_TUNER2;
1230     break;
1231   case CECDEVICE_TUNER2:
1232     pollAddress = CECDEVICE_TUNER1;
1233     break;
1234   case CECDEVICE_AUDIOSYSTEM:
1235   case CECDEVICE_PLAYBACKDEVICE1:
1236   case CECDEVICE_RECORDINGDEVICE1:
1237   case CECDEVICE_TUNER1:
1238   case CECDEVICE_TV:
1239     bSendPoll = true;
1240     break;
1241   default:
1242     break;
1243   }
1244
1245   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1246   {
1247     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1248     if (device)
1249     {
1250       cec_bus_device_status status = device->GetStatus();
1251       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1252     }
1253     else
1254     {
1255       bSendPoll = true;
1256     }
1257   }
1258
1259   return bSendPoll;
1260 }
1261
1262 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1263 {
1264   bool bRequestVendorId(false);
1265   {
1266     CLockObject lock(m_mutex);
1267     bRequestVendorId = !m_bVendorIdRequested;
1268     m_bVendorIdRequested = true;
1269   }
1270
1271   if (bRequestVendorId)
1272   {
1273     ReplaceHandler(false);
1274     GetVendorId(initiator);
1275   }
1276 }
1277 //@}
1278
1279 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1280 {
1281   return AsAudioSystem(this);
1282 }
1283
1284 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1285 {
1286   return AsPlaybackDevice(this);
1287 }
1288
1289 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1290 {
1291   return AsRecordingDevice(this);
1292 }
1293
1294 CCECTuner *CCECBusDevice::AsTuner(void)
1295 {
1296   return AsTuner(this);
1297 }
1298
1299 CCECTV *CCECBusDevice::AsTV(void)
1300 {
1301   return AsTV(this);
1302 }
1303
1304 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1305 {
1306   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1307     return static_cast<CCECAudioSystem *>(device);
1308   return NULL;
1309 }
1310
1311 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1312 {
1313   if (device &&
1314       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1315        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1316     return static_cast<CCECPlaybackDevice *>(device);
1317   return NULL;
1318 }
1319
1320 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1321 {
1322   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1323     return static_cast<CCECRecordingDevice *>(device);
1324   return NULL;
1325 }
1326
1327 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1328 {
1329   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1330     return static_cast<CCECTuner *>(device);
1331   return NULL;
1332 }
1333
1334 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1335 {
1336   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1337     return static_cast<CCECTV *>(device);
1338   return NULL;
1339 }
1340
1341 void CCECBusDevice::MarkBusy(void)
1342 {
1343   CLockObject handlerLock(m_handlerMutex);
1344   ++m_iHandlerUseCount;
1345 }
1346
1347 void CCECBusDevice::MarkReady(void)
1348 {
1349   CLockObject handlerLock(m_handlerMutex);
1350   if (m_iHandlerUseCount > 0)
1351     --m_iHandlerUseCount;
1352 }
1353
1354 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1355 {
1356   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1357
1358   if (!TransmitPoll(m_iLogicalAddress, false))
1359   {
1360     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1361     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1362
1363     return true;
1364   }
1365
1366   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1367   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1368   return false;
1369 }
1370
1371 CCECClient *CCECBusDevice::GetClient(void)
1372 {
1373   return m_processor->GetClient(m_iLogicalAddress);
1374 }
1375
1376 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1377 {
1378   m_waitForResponse->Received(opcode);
1379 }
1380
1381 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1382 {
1383   return m_waitForResponse->Wait(opcode);
1384 }