src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "env.h"
  34 #include "CECBusDevice.h"
  35
  36 #include "lib/CECProcessor.h"
  37 #include "lib/CECClient.h"
  38 #include "lib/implementations/ANCommandHandler.h"
  39 #include "lib/implementations/CECCommandHandler.h"
  40 #include "lib/implementations/SLCommandHandler.h"
  41 #include "lib/implementations/VLCommandHandler.h"
  42 #include "lib/LibCEC.h"
  43 #include "lib/CECTypeUtils.h"
  44 #include "lib/platform/util/timeutils.h"
  45 #include "lib/platform/util/util.h"
  46
  47 #include "CECAudioSystem.h"
  48 #include "CECPlaybackDevice.h"
  49 #include "CECRecordingDevice.h"
  50 #include "CECTuner.h"
  51 #include "CECTV.h"
  52
  53 using namespace std;
  54 using namespace CEC;
  55 using namespace PLATFORM;
  56
  57 #define LIB_CEC     m_processor->GetLib()
  58 #define ToString(p) CCECTypeUtils::ToString(p)
  59
  60 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  61   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  62   m_iPhysicalAddress      (iPhysicalAddress),
  63   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  64   m_iLogicalAddress       (iLogicalAddress),
  65   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  66   m_processor             (processor),
  67   m_vendor                (CEC_VENDOR_UNKNOWN),
  68   m_bReplaceHandler       (false),
  69   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  70   m_bActiveSource         (false),
  71   m_iLastActive           (0),
  72   m_iLastPowerStateUpdate (0),
  73   m_cecVersion            (CEC_VERSION_UNKNOWN),
  74   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  75   m_iHandlerUseCount      (0),
  76   m_bAwaitingReceiveFailed(false),
  77   m_bVendorIdRequested    (false),
  78   m_waitForResponse       (new CWaitForResponse)
  79 {
  80   m_handler = new CCECCommandHandler(this);
  81
  82   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  83     m_menuLanguage.language[iPtr] = '?';
  84   m_menuLanguage.language[3] = 0;
  85   m_menuLanguage.device = iLogicalAddress;
  86
  87   m_strDeviceName = ToString(m_iLogicalAddress);
  88 }
  89
  90 CCECBusDevice::~CCECBusDevice(void)
  91 {
  92   DELETE_AND_NULL(m_handler);
  93   DELETE_AND_NULL(m_waitForResponse);
  94 }
  95
  96 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  97 {
  98   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
  99     return false;
 100
 101   bool bInitHandler(false);
 102   {
 103     CLockObject lock(m_mutex);
 104     CLockObject handlerLock(m_handlerMutex);
 105     if (m_iHandlerUseCount > 0)
 106       return false;
 107
 108     MarkBusy();
 109
 110     if (m_vendor != m_handler->GetVendorId())
 111     {
 112       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 113       {
 114         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 115
 116         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 117         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 118         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 119         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 120
 121         DELETE_AND_NULL(m_handler);
 122
 123         switch (m_vendor)
 124         {
 125         case CEC_VENDOR_SAMSUNG:
 126           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 127           break;
 128         case CEC_VENDOR_LG:
 129           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 130           break;
 131         case CEC_VENDOR_PANASONIC:
 132           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 133           break;
 134         default:
 135           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 136           break;
 137         }
 138
 139         m_handler->SetVendorId(m_vendor);
 140         bInitHandler = true;
 141       }
 142     }
 143   }
 144
 145   if (bInitHandler)
 146   {
 147     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 148     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 149     {
 150       m_handler->InitHandler();
 151
 152       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 153         m_handler->ActivateSource();
 154     }
 155   }
 156
 157   MarkReady();
 158
 159   return true;
 160 }
 161
 162 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 163 {
 164   ReplaceHandler(false);
 165   MarkBusy();
 166   return m_handler;
 167 }
 168
 169 bool CCECBusDevice::HandleCommand(const cec_command &command)
 170 {
 171   bool bHandled(false);
 172
 173   /* update "last active" */
 174   {
 175     CLockObject lock(m_mutex);
 176     m_iLastActive = GetTimeMs();
 177     MarkBusy();
 178   }
 179
 180   /* handle the command */
 181   bHandled = m_handler->HandleCommand(command);
 182
 183   /* change status to present */
 184   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST)
 185   {
 186     CLockObject lock(m_mutex);
 187     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 188     {
 189       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 190         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 191       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 192     }
 193   }
 194
 195   MarkReady();
 196   return bHandled;
 197 }
 198
 199 const char* CCECBusDevice::GetLogicalAddressName(void) const
 200 {
 201   return ToString(m_iLogicalAddress);
 202 }
 203
 204 bool CCECBusDevice::IsPresent(void)
 205 {
 206   CLockObject lock(m_mutex);
 207   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 208 }
 209
 210 bool CCECBusDevice::IsHandledByLibCEC(void)
 211 {
 212   CLockObject lock(m_mutex);
 213   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 214 }
 215
 216 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 217 {
 218   // some commands should never be marked as unsupported
 219   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 220       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 221       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 222       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 223       opcode == CEC_OPCODE_ABORT ||
 224       opcode == CEC_OPCODE_FEATURE_ABORT ||
 225       opcode == CEC_OPCODE_NONE)
 226     return;
 227
 228   {
 229     CLockObject lock(m_mutex);
 230     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 231     {
 232       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 233       m_unsupportedFeatures.insert(opcode);
 234     }
 235   }
 236
 237   // signal threads that are waiting for a reponse
 238   MarkBusy();
 239   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 240   MarkReady();
 241 }
 242
 243 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 244 {
 245   CLockObject lock(m_mutex);
 246   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 247   if (bUnsupported)
 248     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 249   return bUnsupported;
 250 }
 251
 252 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 253 {
 254   MarkBusy();
 255   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 256   MarkReady();
 257   return bReturn;
 258 }
 259
 260 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 261 {
 262   MarkBusy();
 263   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 264   MarkReady();
 265   return bReturn;
 266 }
 267
 268 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 269 {
 270   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 271   bool bRequestUpdate(false);
 272   {
 273     CLockObject lock(m_mutex);
 274     bRequestUpdate = bIsPresent &&
 275         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 276   }
 277
 278   if (bRequestUpdate)
 279   {
 280     CheckVendorIdRequested(initiator);
 281     RequestCecVersion(initiator);
 282   }
 283
 284   CLockObject lock(m_mutex);
 285   return m_cecVersion;
 286 }
 287
 288 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 289 {
 290   CLockObject lock(m_mutex);
 291   if (m_cecVersion != newVersion)
 292     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 293   m_cecVersion = newVersion;
 294 }
 295
 296 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 297 {
 298   bool bReturn(false);
 299
 300   if (!IsHandledByLibCEC() &&
 301       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 302   {
 303     MarkBusy();
 304     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 305     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 306     MarkReady();
 307   }
 308   return bReturn;
 309 }
 310
 311 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 312 {
 313   cec_version version;
 314   {
 315     CLockObject lock(m_mutex);
 316     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 317     version = m_cecVersion;
 318   }
 319
 320   MarkBusy();
 321   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 322   MarkReady();
 323   return bReturn;
 324 }
 325
 326 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 327 {
 328   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 329   bool bRequestUpdate(false);
 330   {
 331     CLockObject lock(m_mutex);
 332     bRequestUpdate = (bIsPresent &&
 333         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 334   }
 335
 336   if (bRequestUpdate)
 337   {
 338     CheckVendorIdRequested(initiator);
 339     RequestMenuLanguage(initiator);
 340   }
 341
 342   CLockObject lock(m_mutex);
 343   return m_menuLanguage;
 344 }
 345
 346 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 347 {
 348   if (!strLanguage)
 349     return;
 350
 351   CLockObject lock(m_mutex);
 352   if (strcmp(strLanguage, m_menuLanguage.language))
 353   {
 354     memcpy(m_menuLanguage.language, strLanguage, 3);
 355     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 356   }
 357 }
 358
 359 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 360 {
 361   if (language.device == m_iLogicalAddress)
 362     SetMenuLanguage(language.language);
 363 }
 364
 365 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 366 {
 367   bool bReturn(false);
 368
 369   if (!IsHandledByLibCEC() &&
 370       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 371   {
 372     MarkBusy();
 373     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 374     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 375     MarkReady();
 376   }
 377   return bReturn;
 378 }
 379
 380 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 381 {
 382   bool bReturn(false);
 383   cec_menu_language language;
 384   {
 385     CLockObject lock(m_mutex);
 386     language = m_menuLanguage;
 387   }
 388
 389   char lang[3];
 390   {
 391     CLockObject lock(m_mutex);
 392     lang[0] = language.language[0];
 393     lang[1] = language.language[1];
 394     lang[2] = language.language[2];
 395   }
 396
 397   MarkBusy();
 398   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 399   {
 400     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 401     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 402     bReturn = true;
 403   }
 404   else
 405   {
 406     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 407     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 408   }
 409   MarkReady();
 410   return bReturn;
 411 }
 412
 413 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 414 {
 415   bool bReturn(false);
 416   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 417   {
 418     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 419     MarkBusy();
 420     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 421     MarkReady();
 422   }
 423   return bReturn;
 424 }
 425
 426 CStdString CCECBusDevice::GetCurrentOSDName(void)
 427 {
 428   CLockObject lock(m_mutex);
 429   return m_strDeviceName;
 430 }
 431
 432 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 433 {
 434   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 435   bool bRequestUpdate(false);
 436   {
 437     CLockObject lock(m_mutex);
 438     bRequestUpdate = bIsPresent &&
 439         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 440         m_type != CEC_DEVICE_TYPE_TV;
 441   }
 442
 443   if (bRequestUpdate)
 444   {
 445     CheckVendorIdRequested(initiator);
 446     RequestOSDName(initiator);
 447   }
 448
 449   CLockObject lock(m_mutex);
 450   return m_strDeviceName;
 451 }
 452
 453 void CCECBusDevice::SetOSDName(CStdString strName)
 454 {
 455   CLockObject lock(m_mutex);
 456   if (m_strDeviceName != strName)
 457   {
 458     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 459     m_strDeviceName = strName;
 460   }
 461 }
 462
 463 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 464 {
 465   bool bReturn(false);
 466
 467   if (!IsHandledByLibCEC() &&
 468       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 469   {
 470     MarkBusy();
 471     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 472     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 473     MarkReady();
 474   }
 475   return bReturn;
 476 }
 477
 478 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 479 {
 480   CStdString strDeviceName;
 481   {
 482     CLockObject lock(m_mutex);
 483     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 484     strDeviceName = m_strDeviceName;
 485   }
 486
 487   MarkBusy();
 488   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 489   MarkReady();
 490   return bReturn;
 491 }
 492
 493 bool CCECBusDevice::HasValidPhysicalAddress(void)
 494 {
 495   CLockObject lock(m_mutex);
 496   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 497 }
 498
 499 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 500 {
 501   CLockObject lock(m_mutex);
 502   return m_iPhysicalAddress;
 503 }
 504
 505 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 506 {
 507   if (!bSuppressUpdate)
 508   {
 509     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 510     bool bRequestUpdate(false);
 511     {
 512       CLockObject lock(m_mutex);
 513       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 514     }
 515
 516     if (bRequestUpdate)
 517     {
 518       CheckVendorIdRequested(initiator);
 519       if (!RequestPhysicalAddress(initiator))
 520         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 521     }
 522   }
 523
 524   CLockObject lock(m_mutex);
 525   return m_iPhysicalAddress;
 526 }
 527
 528 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 529 {
 530   CLockObject lock(m_mutex);
 531   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 532   {
 533     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 534     m_iPhysicalAddress = iNewAddress;
 535   }
 536   return true;
 537 }
 538
 539 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 540 {
 541   bool bReturn(false);
 542
 543   if (!IsHandledByLibCEC())
 544   {
 545     MarkBusy();
 546     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 547     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 548     MarkReady();
 549   }
 550   return bReturn;
 551 }
 552
 553 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 554 {
 555   uint16_t iPhysicalAddress;
 556   cec_device_type type;
 557   {
 558     CLockObject lock(m_mutex);
 559     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 560       return false;
 561
 562     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 563     iPhysicalAddress = m_iPhysicalAddress;
 564     type = m_type;
 565   }
 566
 567   MarkBusy();
 568   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 569   MarkReady();
 570   return bReturn;
 571 }
 572
 573 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 574 {
 575   CLockObject lock(m_mutex);
 576   return m_powerStatus;
 577 }
 578
 579 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 580 {
 581   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 582   bool bRequestUpdate(false);
 583   {
 584     CLockObject lock(m_mutex);
 585     bRequestUpdate = (bIsPresent &&
 586         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 587             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 588             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 589             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 590   }
 591
 592   if (bRequestUpdate)
 593   {
 594     CheckVendorIdRequested(initiator);
 595     RequestPowerStatus(initiator);
 596   }
 597
 598   CLockObject lock(m_mutex);
 599   return m_powerStatus;
 600 }
 601
 602 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 603 {
 604   CLockObject lock(m_mutex);
 605   if (m_powerStatus != powerStatus)
 606   {
 607     m_iLastPowerStateUpdate = GetTimeMs();
 608     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 609     m_powerStatus = powerStatus;
 610   }
 611 }
 612
 613 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 614 {
 615   bool bReturn(false);
 616
 617   if (!IsHandledByLibCEC() &&
 618       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 619   {
 620     MarkBusy();
 621     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 622     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 623     MarkReady();
 624   }
 625   return bReturn;
 626 }
 627
 628 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 629 {
 630   cec_power_status state;
 631   {
 632     CLockObject lock(m_mutex);
 633     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 634     state = m_powerStatus;
 635   }
 636
 637   MarkBusy();
 638   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 639   MarkReady();
 640   return bReturn;
 641 }
 642
 643 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 644 {
 645   CLockObject lock(m_mutex);
 646   return m_vendor;
 647 }
 648
 649 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 650 {
 651   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 652   bool bRequestUpdate(false);
 653   {
 654     CLockObject lock(m_mutex);
 655     bRequestUpdate = (bIsPresent &&
 656         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 657   }
 658
 659   if (bRequestUpdate)
 660     RequestVendorId(initiator);
 661
 662   CLockObject lock(m_mutex);
 663   return m_vendor;
 664 }
 665
 666 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 667 {
 668   return ToString(GetVendorId(initiator, bUpdate));
 669 }
 670
 671 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 672 {
 673   bool bVendorChanged(false);
 674
 675   {
 676     CLockObject lock(m_mutex);
 677     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 678     m_vendor = (cec_vendor_id)iVendorId;
 679   }
 680
 681   if (bVendorChanged)
 682     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 683
 684   return bVendorChanged;
 685 }
 686
 687 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 688 {
 689   bool bReturn(false);
 690
 691   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 692   {
 693     MarkBusy();
 694     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 695     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 696     MarkReady();
 697
 698     if (bWaitForResponse)
 699       ReplaceHandler(true);
 700   }
 701   return bReturn;
 702 }
 703
 704 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 705 {
 706   bool bReturn(false);
 707   uint64_t iVendorId;
 708   {
 709     CLockObject lock(m_mutex);
 710     iVendorId = (uint64_t)m_vendor;
 711   }
 712
 713   MarkBusy();
 714   if (iVendorId == CEC_VENDOR_UNKNOWN)
 715   {
 716     if (bSendAbort)
 717     {
 718       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 719       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 720       bReturn = true;
 721     }
 722   }
 723   else
 724   {
 725     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);
 726     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 727   }
 728   MarkReady();
 729   return bReturn;
 730 }
 731
 732 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 733 {
 734   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 735     return CEC_DEVICE_STATUS_NOT_PRESENT;
 736
 737   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 738   bool bNeedsPoll(false);
 739
 740   {
 741     CLockObject lock(m_mutex);
 742     status = m_deviceStatus;
 743     bNeedsPoll = !bSuppressPoll &&
 744         (bForcePoll || m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN) &&
 745         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 746   }
 747
 748   if (bNeedsPoll)
 749   {
 750     bool bPollAcked(false);
 751     if (bNeedsPoll && NeedsPoll())
 752       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 753
 754     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 755     SetDeviceStatus(status);
 756   }
 757
 758   return status;
 759 }
 760
 761 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 762 {
 763   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 764     return;
 765
 766   {
 767     CLockObject lock(m_mutex);
 768     switch (newStatus)
 769     {
 770     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 771       if (m_deviceStatus != newStatus)
 772         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 773       SetPowerStatus   (CEC_POWER_STATUS_ON);
 774       SetVendorId      (CEC_VENDOR_UNKNOWN);
 775       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 776       SetCecVersion    (libCECSpecVersion);
 777       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 778       MarkAsInactiveSource();
 779       m_iLastActive   = 0;
 780       m_deviceStatus  = newStatus;
 781       break;
 782     case CEC_DEVICE_STATUS_PRESENT:
 783       if (m_deviceStatus != newStatus)
 784         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 785       m_deviceStatus = newStatus;
 786       m_iLastActive = GetTimeMs();
 787       break;
 788     case CEC_DEVICE_STATUS_NOT_PRESENT:
 789       if (m_deviceStatus != newStatus)
 790       {
 791         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 792         ResetDeviceStatus();
 793         m_deviceStatus = newStatus;
 794       }
 795       break;
 796     default:
 797       ResetDeviceStatus();
 798       break;
 799     }
 800   }
 801 }
 802
 803 void CCECBusDevice::ResetDeviceStatus(void)
 804 {
 805   CLockObject lock(m_mutex);
 806   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 807   SetVendorId      (CEC_VENDOR_UNKNOWN);
 808   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 809   SetCecVersion    (CEC_VERSION_UNKNOWN);
 810   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 811   SetOSDName       (ToString(m_iLogicalAddress));
 812   MarkAsInactiveSource();
 813
 814   m_iLastActive = 0;
 815   m_bVendorIdRequested = false;
 816   m_unsupportedFeatures.clear();
 817   m_waitForResponse->Clear();
 818
 819   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 820     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 821   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 822 }
 823
 824 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 825 {
 826   bool bReturn(false);
 827   cec_logical_address destination(dest);
 828   if (destination == CECDEVICE_UNKNOWN)
 829     destination = m_iLogicalAddress;
 830
 831   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 832   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 833     return bReturn;
 834
 835   MarkBusy();
 836   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 837   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 838   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 839
 840   if (bUpdateDeviceStatus)
 841     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 842
 843   MarkReady();
 844   return bReturn;
 845 }
 846
 847 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 848 {
 849   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 850   {
 851     CCECBusDevice *device = m_processor->GetDevice(destination);
 852     if (device)
 853       device->HandlePollFrom(m_iLogicalAddress);
 854   }
 855 }
 856
 857 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 858 {
 859   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 860   m_bAwaitingReceiveFailed = true;
 861 }
 862
 863 bool CCECBusDevice::HandleReceiveFailed(void)
 864 {
 865   bool bReturn = m_bAwaitingReceiveFailed;
 866   m_bAwaitingReceiveFailed = false;
 867   return bReturn;
 868 }
 869
 870 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 871 {
 872   CLockObject lock(m_mutex);
 873   return m_menuState;
 874 }
 875
 876 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 877 {
 878   CLockObject lock(m_mutex);
 879   if (m_menuState != state)
 880   {
 881     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 882     m_menuState = state;
 883   }
 884 }
 885
 886 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 887 {
 888   cec_menu_state menuState;
 889   {
 890     CLockObject lock(m_mutex);
 891     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 892     menuState = m_menuState;
 893   }
 894
 895   MarkBusy();
 896   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 897   MarkReady();
 898   return bReturn;
 899 }
 900
 901 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 902 {
 903   MarkAsActiveSource();
 904   MarkBusy();
 905   bool bReturn(true);
 906   if (iDelay == 0)
 907   {
 908     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 909     bReturn = m_handler->ActivateSource();
 910   }
 911   else
 912   {
 913     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 914     m_handler->ScheduleActivateSource(iDelay);
 915   }
 916   MarkReady();
 917   return bReturn;
 918 }
 919
 920 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 921 {
 922   bool bReturn(false);
 923
 924   if (IsHandledByLibCEC())
 925   {
 926     MarkBusy();
 927     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 928
 929     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 930     MarkReady();
 931   }
 932   return bReturn;
 933 }
 934
 935 void CCECBusDevice::MarkAsActiveSource(void)
 936 {
 937   bool bWasActivated(false);
 938
 939   // set the power status to powered on
 940   SetPowerStatus(CEC_POWER_STATUS_ON);
 941
 942   // mark this device as active source
 943   {
 944     CLockObject lock(m_mutex);
 945     if (!m_bActiveSource)
 946     {
 947       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 948       bWasActivated = true;
 949     }
 950     else
 951       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 952
 953     m_bActiveSource = true;
 954   }
 955
 956   // mark other devices as inactive sources
 957   CECDEVICEVEC devices;
 958   m_processor->GetDevices()->Get(devices);
 959   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 960     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 961       (*it)->MarkAsInactiveSource();
 962
 963   if (bWasActivated)
 964   {
 965     CCECClient *client = GetClient();
 966     if (client)
 967       client->SourceActivated(m_iLogicalAddress);
 968   }
 969 }
 970
 971 void CCECBusDevice::MarkAsInactiveSource(void)
 972 {
 973   bool bWasDeactivated(false);
 974   {
 975     CLockObject lock(m_mutex);
 976     if (m_bActiveSource)
 977     {
 978       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 979       bWasDeactivated = true;
 980     }
 981     m_bActiveSource = false;
 982   }
 983
 984   if (bWasDeactivated)
 985   {
 986     CCECClient *client = GetClient();
 987     if (client)
 988       client->SourceDeactivated(m_iLogicalAddress);
 989   }
 990 }
 991
 992 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
 993 {
 994   bool bSendActiveSource(false);
 995   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
 996
 997   {
 998     CLockObject lock(m_mutex);
 999     if (!HasValidPhysicalAddress())
1000     {
1001       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1002       return false;
1003     }
1004
1005     iPhysicalAddress = m_iPhysicalAddress;
1006
1007     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1008       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1009     else if (m_bActiveSource)
1010     {
1011       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1012       bSendActiveSource = true;
1013     }
1014     else
1015       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1016   }
1017
1018   bool bActiveSourceSent(false);
1019   if (bSendActiveSource)
1020   {
1021     MarkBusy();
1022     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1023     MarkReady();
1024   }
1025
1026   return bActiveSourceSent;
1027 }
1028
1029 bool CCECBusDevice::TransmitImageViewOn(void)
1030 {
1031   {
1032     CLockObject lock(m_mutex);
1033     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1034     {
1035       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1036       return false;
1037     }
1038   }
1039
1040   bool bImageViewOnSent(false);
1041   MarkBusy();
1042   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1043   MarkReady();
1044   return bImageViewOnSent;
1045 }
1046
1047 bool CCECBusDevice::TransmitInactiveSource(void)
1048 {
1049   uint16_t iPhysicalAddress;
1050   {
1051     CLockObject lock(m_mutex);
1052     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1053     iPhysicalAddress = m_iPhysicalAddress;
1054   }
1055
1056   MarkBusy();
1057   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1058   MarkReady();
1059   return bReturn;
1060 }
1061
1062 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1063 {
1064   MarkBusy();
1065   bool bReturn = m_handler->ActivateSource(true);
1066   MarkReady();
1067   return bReturn;
1068 }
1069
1070 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1071 {
1072   CLockObject lock(m_mutex);
1073   if (iNewAddress != m_iStreamPath)
1074   {
1075     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1076     m_iStreamPath = iNewAddress;
1077   }
1078
1079   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1080     return;
1081
1082   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1083   if (device)
1084   {
1085     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1086     device->MarkAsActiveSource();
1087
1088     // respond with an active source message if this device is handled by libCEC
1089     if (device->IsHandledByLibCEC())
1090       device->TransmitActiveSource(true);
1091   }
1092   else
1093   {
1094     // try to find the device with the old address, and mark it as inactive when found
1095     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1096     if (device)
1097       device->MarkAsInactiveSource();
1098   }
1099 }
1100
1101 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1102 {
1103   bool bReturn(false);
1104   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1105
1106   MarkBusy();
1107   cec_power_status currentStatus;
1108   if (m_iLogicalAddress == CECDEVICE_TV ||
1109       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1110         currentStatus != CEC_POWER_STATUS_ON))
1111   {
1112     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1113     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1114   }
1115   else
1116   {
1117     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1118   }
1119
1120   MarkReady();
1121   return bReturn;
1122 }
1123
1124 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1125 {
1126   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1127
1128   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1129   MarkBusy();
1130   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1131   MarkReady();
1132   return bReturn;
1133 }
1134
1135 bool CCECBusDevice::NeedsPoll(void)
1136 {
1137   bool bSendPoll(false);
1138   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1139   switch (m_iLogicalAddress)
1140   {
1141   case CECDEVICE_PLAYBACKDEVICE3:
1142     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1143     break;
1144   case CECDEVICE_PLAYBACKDEVICE2:
1145     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1146     break;
1147   case CECDEVICE_RECORDINGDEVICE3:
1148     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1149     break;
1150   case CECDEVICE_RECORDINGDEVICE2:
1151     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1152     break;
1153   case CECDEVICE_TUNER4:
1154     pollAddress = CECDEVICE_TUNER3;
1155     break;
1156   case CECDEVICE_TUNER3:
1157     pollAddress = CECDEVICE_TUNER2;
1158     break;
1159   case CECDEVICE_TUNER2:
1160     pollAddress = CECDEVICE_TUNER1;
1161     break;
1162   case CECDEVICE_AUDIOSYSTEM:
1163   case CECDEVICE_PLAYBACKDEVICE1:
1164   case CECDEVICE_RECORDINGDEVICE1:
1165   case CECDEVICE_TUNER1:
1166   case CECDEVICE_TV:
1167     bSendPoll = true;
1168     break;
1169   default:
1170     break;
1171   }
1172
1173   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1174   {
1175     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1176     if (device)
1177     {
1178       cec_bus_device_status status = device->GetStatus();
1179       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1180     }
1181     else
1182     {
1183       bSendPoll = true;
1184     }
1185   }
1186
1187   return bSendPoll;
1188 }
1189
1190 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1191 {
1192   bool bRequestVendorId(false);
1193   {
1194     CLockObject lock(m_mutex);
1195     bRequestVendorId = !m_bVendorIdRequested;
1196     m_bVendorIdRequested = true;
1197   }
1198
1199   if (bRequestVendorId)
1200   {
1201     ReplaceHandler(false);
1202     GetVendorId(initiator);
1203   }
1204 }
1205 //@}
1206
1207 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1208 {
1209   return AsAudioSystem(this);
1210 }
1211
1212 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1213 {
1214   return AsPlaybackDevice(this);
1215 }
1216
1217 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1218 {
1219   return AsRecordingDevice(this);
1220 }
1221
1222 CCECTuner *CCECBusDevice::AsTuner(void)
1223 {
1224   return AsTuner(this);
1225 }
1226
1227 CCECTV *CCECBusDevice::AsTV(void)
1228 {
1229   return AsTV(this);
1230 }
1231
1232 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1233 {
1234   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1235     return static_cast<CCECAudioSystem *>(device);
1236   return NULL;
1237 }
1238
1239 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1240 {
1241   if (device &&
1242       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1243        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1244     return static_cast<CCECPlaybackDevice *>(device);
1245   return NULL;
1246 }
1247
1248 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1249 {
1250   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1251     return static_cast<CCECRecordingDevice *>(device);
1252   return NULL;
1253 }
1254
1255 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1256 {
1257   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1258     return static_cast<CCECTuner *>(device);
1259   return NULL;
1260 }
1261
1262 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1263 {
1264   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1265     return static_cast<CCECTV *>(device);
1266   return NULL;
1267 }
1268
1269 void CCECBusDevice::MarkBusy(void)
1270 {
1271   CLockObject handlerLock(m_handlerMutex);
1272   ++m_iHandlerUseCount;
1273 }
1274
1275 void CCECBusDevice::MarkReady(void)
1276 {
1277   CLockObject handlerLock(m_handlerMutex);
1278   if (m_iHandlerUseCount > 0)
1279     --m_iHandlerUseCount;
1280 }
1281
1282 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1283 {
1284   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1285
1286   if (!TransmitPoll(m_iLogicalAddress, false))
1287   {
1288     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1289     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1290
1291     return true;
1292   }
1293
1294   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1295   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1296   return false;
1297 }
1298
1299 CCECClient *CCECBusDevice::GetClient(void)
1300 {
1301   return m_processor->GetClient(m_iLogicalAddress);
1302 }
1303
1304 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1305 {
1306   m_waitForResponse->Received(opcode);
1307 }
1308
1309 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1310 {
1311   return m_waitForResponse->Wait(opcode);
1312 }