src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2013 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/implementations/PHCommandHandler.h"
  43 #include "lib/implementations/RLCommandHandler.h"
  44 #include "lib/implementations/RHCommandHandler.h"
  45 #include "lib/implementations/AQCommandHandler.h"
  46 #include "lib/LibCEC.h"
  47 #include "lib/CECTypeUtils.h"
  48 #include "lib/platform/util/timeutils.h"
  49 #include "lib/platform/util/util.h"
  50
  51 #include "CECAudioSystem.h"
  52 #include "CECPlaybackDevice.h"
  53 #include "CECRecordingDevice.h"
  54 #include "CECTuner.h"
  55 #include "CECTV.h"
  56
  57 using namespace std;
  58 using namespace CEC;
  59 using namespace PLATFORM;
  60
  61 #define LIB_CEC     m_processor->GetLib()
  62 #define ToString(p) CCECTypeUtils::ToString(p)
  63
  64 CResponse::CResponse(cec_opcode opcode) :
  65     m_opcode(opcode)
  66 {
  67 }
  68
  69 CResponse::~CResponse(void)
  70 {
  71   Broadcast();
  72 }
  73
  74 bool CResponse::Wait(uint32_t iTimeout)
  75 {
  76   return m_event.Wait(iTimeout);
  77 }
  78
  79 void CResponse::Broadcast(void)
  80 {
  81   m_event.Broadcast();
  82 }
  83
  84 CWaitForResponse::CWaitForResponse(void)
  85 {
  86 }
  87
  88 CWaitForResponse::~CWaitForResponse(void)
  89 {
  90   Clear();
  91 }
  92
  93 void CWaitForResponse::Clear()
  94 {
  95   PLATFORM::CLockObject lock(m_mutex);
  96   for (std::map<cec_opcode, CResponse*>::iterator it = m_waitingFor.begin(); it != m_waitingFor.end(); it++)
  97     it->second->Broadcast();
  98   m_waitingFor.clear();
  99 }
 100
 101 bool CWaitForResponse::Wait(cec_opcode opcode, uint32_t iTimeout)
 102 {
 103   CResponse *response = GetEvent(opcode);
 104   return response ? response->Wait(iTimeout) : false;
 105 }
 106
 107 void CWaitForResponse::Received(cec_opcode opcode)
 108 {
 109   CResponse *response = GetEvent(opcode);
 110   if (response)
 111     response->Broadcast();
 112 }
 113
 114 CResponse* CWaitForResponse::GetEvent(cec_opcode opcode)
 115 {
 116   CResponse *retVal(NULL);
 117   {
 118     PLATFORM::CLockObject lock(m_mutex);
 119     std::map<cec_opcode, CResponse*>::iterator it = m_waitingFor.find(opcode);
 120     if (it != m_waitingFor.end())
 121     {
 122       retVal = it->second;
 123     }
 124     else
 125     {
 126       retVal = new CResponse(opcode);
 127       m_waitingFor[opcode] = retVal;
 128     }
 129     return retVal;
 130   }
 131 }
 132
 133 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
 134   m_type                  (CEC_DEVICE_TYPE_RESERVED),
 135   m_iPhysicalAddress      (iPhysicalAddress),
 136   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
 137   m_iLogicalAddress       (iLogicalAddress),
 138   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
 139   m_processor             (processor),
 140   m_vendor                (CEC_VENDOR_UNKNOWN),
 141   m_bReplaceHandler       (false),
 142   m_menuState             (CEC_MENU_STATE_ACTIVATED),
 143   m_bActiveSource         (false),
 144   m_iLastActive           (0),
 145   m_iLastPowerStateUpdate (0),
 146   m_cecVersion            (CEC_VERSION_UNKNOWN),
 147   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
 148   m_iHandlerUseCount      (0),
 149   m_bAwaitingReceiveFailed(false),
 150   m_bVendorIdRequested    (false),
 151   m_waitForResponse       (new CWaitForResponse),
 152   m_bImageViewOnSent      (false)
 153 {
 154   m_handler = new CCECCommandHandler(this);
 155
 156   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
 157     m_menuLanguage.language[iPtr] = '?';
 158   m_menuLanguage.language[3] = 0;
 159   m_menuLanguage.device = iLogicalAddress;
 160
 161   m_strDeviceName = ToString(m_iLogicalAddress);
 162 }
 163
 164 CCECBusDevice::~CCECBusDevice(void)
 165 {
 166   DELETE_AND_NULL(m_handler);
 167   DELETE_AND_NULL(m_waitForResponse);
 168 }
 169
 170 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 171 {
 172   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 173     return false;
 174
 175   bool bInitHandler(false);
 176   {
 177     CLockObject lock(m_mutex);
 178     CLockObject handlerLock(m_handlerMutex);
 179     if (m_iHandlerUseCount > 0)
 180       return false;
 181
 182     MarkBusy();
 183
 184     if (m_vendor != m_handler->GetVendorId())
 185     {
 186       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 187       {
 188         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 189
 190         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 191         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 192         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 193         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 194
 195         DELETE_AND_NULL(m_handler);
 196
 197         switch (m_vendor)
 198         {
 199         case CEC_VENDOR_SAMSUNG:
 200           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 201           break;
 202         case CEC_VENDOR_LG:
 203           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 204           break;
 205         case CEC_VENDOR_PANASONIC:
 206           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 207           break;
 208         case CEC_VENDOR_PHILIPS:
 209           m_handler = new CPHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 210           break;
 211         case CEC_VENDOR_TOSHIBA:
 212         case CEC_VENDOR_TOSHIBA2:
 213           m_handler = new CRLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 214           break;
 215         case CEC_VENDOR_ONKYO:
 216           m_handler = new CRHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 217           break;
 218         case CEC_VENDOR_SHARP:
 219           m_handler = new CAQCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 220           break;
 221         default:
 222           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 223           break;
 224         }
 225
 226         m_handler->SetVendorId(m_vendor);
 227         bInitHandler = true;
 228       }
 229     }
 230   }
 231
 232   if (bInitHandler)
 233   {
 234     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 235     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 236     {
 237       m_handler->InitHandler();
 238
 239       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 240         m_handler->ActivateSource();
 241     }
 242   }
 243
 244   MarkReady();
 245
 246   return true;
 247 }
 248
 249 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 250 {
 251   ReplaceHandler(false);
 252   MarkBusy();
 253   return m_handler;
 254 }
 255
 256 bool CCECBusDevice::HandleCommand(const cec_command &command)
 257 {
 258   bool bHandled(false);
 259
 260   /* update "last active" */
 261   {
 262     CLockObject lock(m_mutex);
 263     m_iLastActive = GetTimeMs();
 264     MarkBusy();
 265   }
 266
 267   /* handle the command */
 268   bHandled = m_handler->HandleCommand(command);
 269
 270   /* change status to present */
 271   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST && command.opcode_set == 1)
 272   {
 273     CLockObject lock(m_mutex);
 274     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 275     {
 276       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 277         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 278       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 279     }
 280   }
 281
 282   MarkReady();
 283   return bHandled;
 284 }
 285
 286 const char* CCECBusDevice::GetLogicalAddressName(void) const
 287 {
 288   return ToString(m_iLogicalAddress);
 289 }
 290
 291 bool CCECBusDevice::IsPresent(void)
 292 {
 293   CLockObject lock(m_mutex);
 294   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 295 }
 296
 297 bool CCECBusDevice::IsHandledByLibCEC(void)
 298 {
 299   CLockObject lock(m_mutex);
 300   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 301 }
 302
 303 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 304 {
 305   // some commands should never be marked as unsupported
 306   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 307       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 308       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 309       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 310       opcode == CEC_OPCODE_ABORT ||
 311       opcode == CEC_OPCODE_FEATURE_ABORT ||
 312       opcode == CEC_OPCODE_NONE ||
 313       opcode == CEC_OPCODE_USER_CONTROL_PRESSED ||
 314       opcode == CEC_OPCODE_USER_CONTROL_RELEASE)
 315     return;
 316
 317   {
 318     CLockObject lock(m_mutex);
 319     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 320     {
 321       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 322       m_unsupportedFeatures.insert(opcode);
 323     }
 324   }
 325
 326   // signal threads that are waiting for a reponse
 327   MarkBusy();
 328   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 329   MarkReady();
 330 }
 331
 332 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 333 {
 334   CLockObject lock(m_mutex);
 335   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 336   if (bUnsupported)
 337     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 338   return bUnsupported;
 339 }
 340
 341 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 342 {
 343   MarkBusy();
 344   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 345   MarkReady();
 346   return bReturn;
 347 }
 348
 349 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 350 {
 351   MarkBusy();
 352   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 353   MarkReady();
 354   return bReturn;
 355 }
 356
 357 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 358 {
 359   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 360   bool bRequestUpdate(false);
 361   {
 362     CLockObject lock(m_mutex);
 363     bRequestUpdate = bIsPresent &&
 364         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 365   }
 366
 367   if (bRequestUpdate)
 368   {
 369     CheckVendorIdRequested(initiator);
 370     RequestCecVersion(initiator);
 371   }
 372
 373   CLockObject lock(m_mutex);
 374   return m_cecVersion;
 375 }
 376
 377 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 378 {
 379   CLockObject lock(m_mutex);
 380   if (m_cecVersion != newVersion)
 381     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 382   m_cecVersion = newVersion;
 383 }
 384
 385 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 386 {
 387   bool bReturn(false);
 388
 389   if (!IsHandledByLibCEC() &&
 390       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 391   {
 392     MarkBusy();
 393     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 394     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 395     MarkReady();
 396   }
 397   return bReturn;
 398 }
 399
 400 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 401 {
 402   cec_version version;
 403   {
 404     CLockObject lock(m_mutex);
 405     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 406     version = m_cecVersion;
 407   }
 408
 409   MarkBusy();
 410   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 411   MarkReady();
 412   return bReturn;
 413 }
 414
 415 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 416 {
 417   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 418   bool bRequestUpdate(false);
 419   {
 420     CLockObject lock(m_mutex);
 421     bRequestUpdate = (bIsPresent &&
 422         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 423   }
 424
 425   if (bRequestUpdate)
 426   {
 427     CheckVendorIdRequested(initiator);
 428     RequestMenuLanguage(initiator);
 429   }
 430
 431   CLockObject lock(m_mutex);
 432   return m_menuLanguage;
 433 }
 434
 435 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 436 {
 437   if (!strLanguage)
 438     return;
 439
 440   CLockObject lock(m_mutex);
 441   if (strcmp(strLanguage, m_menuLanguage.language))
 442   {
 443     memcpy(m_menuLanguage.language, strLanguage, 3);
 444     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 445   }
 446 }
 447
 448 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 449 {
 450   if (language.device == m_iLogicalAddress)
 451     SetMenuLanguage(language.language);
 452 }
 453
 454 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 455 {
 456   bool bReturn(false);
 457
 458   if (!IsHandledByLibCEC() &&
 459       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 460   {
 461     MarkBusy();
 462     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 463     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 464     MarkReady();
 465   }
 466   return bReturn;
 467 }
 468
 469 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 470 {
 471   bool bReturn(false);
 472   cec_menu_language language;
 473   {
 474     CLockObject lock(m_mutex);
 475     language = m_menuLanguage;
 476   }
 477
 478   char lang[4];
 479   {
 480     CLockObject lock(m_mutex);
 481     lang[0] = language.language[0];
 482     lang[1] = language.language[1];
 483     lang[2] = language.language[2];
 484     lang[3] = (char)0;
 485   }
 486
 487   MarkBusy();
 488   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 489   {
 490     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 491     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 492     bReturn = true;
 493   }
 494   else
 495   {
 496     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 497     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 498   }
 499   MarkReady();
 500   return bReturn;
 501 }
 502
 503 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 504 {
 505   bool bReturn(false);
 506   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 507   {
 508     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 509     MarkBusy();
 510     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 511     MarkReady();
 512   }
 513   return bReturn;
 514 }
 515
 516 CStdString CCECBusDevice::GetCurrentOSDName(void)
 517 {
 518   CLockObject lock(m_mutex);
 519   return m_strDeviceName;
 520 }
 521
 522 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 523 {
 524   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 525   bool bRequestUpdate(false);
 526   {
 527     CLockObject lock(m_mutex);
 528     bRequestUpdate = bIsPresent &&
 529         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 530         m_type != CEC_DEVICE_TYPE_TV;
 531   }
 532
 533   if (bRequestUpdate)
 534   {
 535     CheckVendorIdRequested(initiator);
 536     RequestOSDName(initiator);
 537   }
 538
 539   CLockObject lock(m_mutex);
 540   return m_strDeviceName;
 541 }
 542
 543 void CCECBusDevice::SetOSDName(CStdString strName)
 544 {
 545   CLockObject lock(m_mutex);
 546   if (m_strDeviceName != strName)
 547   {
 548     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 549     m_strDeviceName = strName;
 550   }
 551 }
 552
 553 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 554 {
 555   bool bReturn(false);
 556
 557   if (!IsHandledByLibCEC() &&
 558       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 559   {
 560     MarkBusy();
 561     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 562     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 563     MarkReady();
 564   }
 565   return bReturn;
 566 }
 567
 568 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 569 {
 570   CStdString strDeviceName;
 571   {
 572     CLockObject lock(m_mutex);
 573     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 574     strDeviceName = m_strDeviceName;
 575   }
 576
 577   MarkBusy();
 578   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 579   MarkReady();
 580   return bReturn;
 581 }
 582
 583 bool CCECBusDevice::HasValidPhysicalAddress(void)
 584 {
 585   CLockObject lock(m_mutex);
 586   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 587 }
 588
 589 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 590 {
 591   CLockObject lock(m_mutex);
 592   return m_iPhysicalAddress;
 593 }
 594
 595 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 596 {
 597   if (!bSuppressUpdate)
 598   {
 599     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 600     bool bRequestUpdate(false);
 601     {
 602       CLockObject lock(m_mutex);
 603       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 604     }
 605
 606     if (bRequestUpdate)
 607     {
 608       CheckVendorIdRequested(initiator);
 609       if (!RequestPhysicalAddress(initiator))
 610         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 611     }
 612   }
 613
 614   CLockObject lock(m_mutex);
 615   return m_iPhysicalAddress;
 616 }
 617
 618 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 619 {
 620   CLockObject lock(m_mutex);
 621   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 622   {
 623     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 624     m_iPhysicalAddress = iNewAddress;
 625   }
 626   return true;
 627 }
 628
 629 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 630 {
 631   bool bReturn(false);
 632
 633   if (!IsHandledByLibCEC())
 634   {
 635     MarkBusy();
 636     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 637     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 638     MarkReady();
 639   }
 640   return bReturn;
 641 }
 642
 643 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 644 {
 645   uint16_t iPhysicalAddress;
 646   cec_device_type type;
 647   {
 648     CLockObject lock(m_mutex);
 649     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 650       return false;
 651
 652     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 653     iPhysicalAddress = m_iPhysicalAddress;
 654     type = m_type;
 655   }
 656
 657   MarkBusy();
 658   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 659   MarkReady();
 660   return bReturn;
 661 }
 662
 663 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 664 {
 665   CLockObject lock(m_mutex);
 666   return m_powerStatus;
 667 }
 668
 669 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 670 {
 671   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 672   bool bRequestUpdate(false);
 673   {
 674     CLockObject lock(m_mutex);
 675     bRequestUpdate = (bIsPresent &&
 676         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 677             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 678             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 679             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 680   }
 681
 682   if (bRequestUpdate)
 683   {
 684     CheckVendorIdRequested(initiator);
 685     RequestPowerStatus(initiator, bUpdate);
 686   }
 687
 688   CLockObject lock(m_mutex);
 689   return m_powerStatus;
 690 }
 691
 692 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 693 {
 694   CLockObject lock(m_mutex);
 695   if (m_powerStatus != powerStatus)
 696   {
 697     m_iLastPowerStateUpdate = GetTimeMs();
 698     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 699     m_powerStatus = powerStatus;
 700   }
 701 }
 702
 703 void CCECBusDevice::OnImageViewOnSent(bool bSentByLibCEC)
 704 {
 705   CLockObject lock(m_mutex);
 706   m_bImageViewOnSent = bSentByLibCEC;
 707
 708   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 709   {
 710     m_iLastPowerStateUpdate = GetTimeMs();
 711     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));
 712     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 713   }
 714 }
 715
 716 bool CCECBusDevice::ImageViewOnSent(void)
 717 {
 718   CLockObject lock(m_mutex);
 719   return m_bImageViewOnSent;
 720 }
 721
 722 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bUpdate, bool bWaitForResponse /* = true */)
 723 {
 724   bool bReturn(false);
 725
 726   if (!IsHandledByLibCEC() &&
 727       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 728   {
 729     MarkBusy();
 730     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bUpdate, bWaitForResponse);
 731     if (!bReturn)
 732       SetPowerStatus(CEC_POWER_STATUS_UNKNOWN);
 733     MarkReady();
 734   }
 735   return bReturn;
 736 }
 737
 738 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 739 {
 740   cec_power_status state;
 741   {
 742     CLockObject lock(m_mutex);
 743     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 744     state = m_powerStatus;
 745   }
 746
 747   MarkBusy();
 748   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 749   MarkReady();
 750   return bReturn;
 751 }
 752
 753 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 754 {
 755   CLockObject lock(m_mutex);
 756   return m_vendor;
 757 }
 758
 759 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 760 {
 761   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 762   bool bRequestUpdate(false);
 763   {
 764     CLockObject lock(m_mutex);
 765     bRequestUpdate = (bIsPresent &&
 766         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 767   }
 768
 769   if (bRequestUpdate)
 770     RequestVendorId(initiator);
 771
 772   CLockObject lock(m_mutex);
 773   return m_vendor;
 774 }
 775
 776 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 777 {
 778   return ToString(GetVendorId(initiator, bUpdate));
 779 }
 780
 781 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 782 {
 783   bool bVendorChanged(false);
 784
 785   {
 786     CLockObject lock(m_mutex);
 787     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 788     m_vendor = (cec_vendor_id)iVendorId;
 789   }
 790
 791   if (bVendorChanged)
 792     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 793
 794   return bVendorChanged;
 795 }
 796
 797 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 798 {
 799   bool bReturn(false);
 800
 801   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 802   {
 803     MarkBusy();
 804     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 805     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 806     MarkReady();
 807
 808     if (bWaitForResponse)
 809       ReplaceHandler(true);
 810   }
 811   return bReturn;
 812 }
 813
 814 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 815 {
 816   bool bReturn(false);
 817   uint64_t iVendorId;
 818   {
 819     CLockObject lock(m_mutex);
 820     iVendorId = (uint64_t)m_vendor;
 821   }
 822
 823   MarkBusy();
 824   if (iVendorId == CEC_VENDOR_UNKNOWN)
 825   {
 826     if (bSendAbort)
 827     {
 828       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 829       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 830       bReturn = true;
 831     }
 832   }
 833   else
 834   {
 835     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);
 836     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, destination, iVendorId, bIsReply);
 837   }
 838   MarkReady();
 839   return bReturn;
 840 }
 841
 842 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 843 {
 844   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 845     return CEC_DEVICE_STATUS_NOT_PRESENT;
 846
 847   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 848   bool bNeedsPoll(false);
 849
 850   {
 851     CLockObject lock(m_mutex);
 852     status = m_deviceStatus;
 853     bNeedsPoll = !bSuppressPoll &&
 854         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 855             // poll forced
 856             (bForcePoll ||
 857             // don't know the status
 858             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 859             // always poll the TV if it's marked as not present
 860             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 861   }
 862
 863   if (bNeedsPoll)
 864   {
 865     bool bPollAcked(false);
 866     if (bNeedsPoll)
 867       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 868
 869     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 870     SetDeviceStatus(status);
 871   }
 872
 873   return status;
 874 }
 875
 876 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 877 {
 878   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 879     return;
 880
 881   {
 882     CLockObject lock(m_mutex);
 883     switch (newStatus)
 884     {
 885     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 886       if (m_deviceStatus != newStatus)
 887         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 888       SetPowerStatus   (CEC_POWER_STATUS_ON);
 889       SetVendorId      (CEC_VENDOR_UNKNOWN);
 890       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 891       SetCecVersion    (libCECSpecVersion);
 892       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 893       MarkAsInactiveSource();
 894       m_iLastActive   = 0;
 895       m_deviceStatus  = newStatus;
 896       break;
 897     case CEC_DEVICE_STATUS_PRESENT:
 898       if (m_deviceStatus != newStatus)
 899         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 900       m_deviceStatus = newStatus;
 901       m_iLastActive = GetTimeMs();
 902       break;
 903     case CEC_DEVICE_STATUS_NOT_PRESENT:
 904       if (m_deviceStatus != newStatus)
 905       {
 906         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 907         ResetDeviceStatus(true);
 908         m_deviceStatus = newStatus;
 909       }
 910       break;
 911     default:
 912       ResetDeviceStatus();
 913       break;
 914     }
 915   }
 916 }
 917
 918 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 919 {
 920   CLockObject lock(m_mutex);
 921   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 922   SetVendorId      (CEC_VENDOR_UNKNOWN);
 923   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 924   SetCecVersion    (CEC_VERSION_UNKNOWN);
 925   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 926   SetOSDName       (ToString(m_iLogicalAddress));
 927   MarkAsInactiveSource(bClientUnregistered);
 928
 929   m_iLastActive = 0;
 930   m_bVendorIdRequested = false;
 931   m_unsupportedFeatures.clear();
 932   m_waitForResponse->Clear();
 933
 934   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 935     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 936   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 937 }
 938
 939 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 940 {
 941   bool bReturn(false);
 942   cec_logical_address destination(dest);
 943   if (destination == CECDEVICE_UNKNOWN)
 944     destination = m_iLogicalAddress;
 945
 946   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 947   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 948     return bReturn;
 949
 950   MarkBusy();
 951   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 952   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 953   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 954
 955   if (bUpdateDeviceStatus)
 956     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 957
 958   MarkReady();
 959   return bReturn;
 960 }
 961
 962 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 963 {
 964   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 965   {
 966     CCECBusDevice *device = m_processor->GetDevice(destination);
 967     if (device)
 968       device->HandlePollFrom(m_iLogicalAddress);
 969   }
 970 }
 971
 972 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 973 {
 974   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 975   m_bAwaitingReceiveFailed = true;
 976 }
 977
 978 bool CCECBusDevice::HandleReceiveFailed(void)
 979 {
 980   bool bReturn = m_bAwaitingReceiveFailed;
 981   m_bAwaitingReceiveFailed = false;
 982   return bReturn;
 983 }
 984
 985 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 986 {
 987   CLockObject lock(m_mutex);
 988   return m_menuState;
 989 }
 990
 991 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 992 {
 993   CLockObject lock(m_mutex);
 994   if (m_menuState != state)
 995   {
 996     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 997     m_menuState = state;
 998   }
 999 }
1000
1001 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
1002 {
1003   cec_menu_state menuState;
1004   {
1005     CLockObject lock(m_mutex);
1006     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
1007     menuState = m_menuState;
1008   }
1009
1010   MarkBusy();
1011   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
1012   MarkReady();
1013   return bReturn;
1014 }
1015
1016 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
1017 {
1018   MarkAsActiveSource();
1019   MarkBusy();
1020   bool bReturn(true);
1021   if (iDelay == 0)
1022   {
1023     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
1024     bReturn = m_handler->ActivateSource();
1025   }
1026   else
1027   {
1028     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
1029     m_handler->ScheduleActivateSource(iDelay);
1030   }
1031   MarkReady();
1032   return bReturn;
1033 }
1034
1035 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
1036 {
1037   bool bReturn(false);
1038
1039   if (IsHandledByLibCEC())
1040   {
1041     MarkBusy();
1042     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
1043
1044     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
1045     MarkReady();
1046   }
1047   return bReturn;
1048 }
1049
1050 void CCECBusDevice::MarkAsActiveSource(void)
1051 {
1052   bool bWasActivated(false);
1053
1054   // set the power status to powered on
1055   SetPowerStatus(CEC_POWER_STATUS_ON);
1056
1057   // mark this device as active source
1058   {
1059     CLockObject lock(m_mutex);
1060     if (!m_bActiveSource)
1061     {
1062       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
1063       bWasActivated = true;
1064     }
1065     else
1066       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
1067
1068     m_bActiveSource = true;
1069   }
1070
1071   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1072   if (tv)
1073     tv->OnImageViewOnSent(false);
1074
1075   // mark other devices as inactive sources
1076   CECDEVICEVEC devices;
1077   m_processor->GetDevices()->Get(devices);
1078   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1079     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
1080       (*it)->MarkAsInactiveSource();
1081
1082   if (bWasActivated)
1083   {
1084     if (IsHandledByLibCEC())
1085       m_processor->SetActiveSource(true, false);
1086     CCECClient *client = GetClient();
1087     if (client)
1088       client->SourceActivated(m_iLogicalAddress);
1089   }
1090 }
1091
1092 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1093 {
1094   bool bWasDeactivated(false);
1095   {
1096     CLockObject lock(m_mutex);
1097     if (m_bActiveSource)
1098     {
1099       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1100       bWasDeactivated = true;
1101     }
1102     m_bActiveSource = false;
1103   }
1104
1105   if (bWasDeactivated)
1106   {
1107     if (IsHandledByLibCEC())
1108       m_processor->SetActiveSource(false, bClientUnregistered);
1109     CCECClient *client = GetClient();
1110     if (client)
1111       client->SourceDeactivated(m_iLogicalAddress);
1112   }
1113 }
1114
1115 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1116 {
1117   bool bSendActiveSource(false);
1118   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1119
1120   {
1121     CLockObject lock(m_mutex);
1122     if (!HasValidPhysicalAddress())
1123     {
1124       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1125       return false;
1126     }
1127
1128     iPhysicalAddress = m_iPhysicalAddress;
1129
1130     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1131       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1132     else if (m_bActiveSource)
1133     {
1134       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1135       bSendActiveSource = true;
1136     }
1137     else
1138       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1139   }
1140
1141   bool bActiveSourceSent(false);
1142   if (bSendActiveSource)
1143   {
1144     MarkBusy();
1145     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1146     MarkReady();
1147   }
1148
1149   return bActiveSourceSent;
1150 }
1151
1152 bool CCECBusDevice::TransmitImageViewOn(void)
1153 {
1154   {
1155     CLockObject lock(m_mutex);
1156     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1157     {
1158       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1159       return false;
1160     }
1161   }
1162
1163   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1164   if (!tv)
1165   {
1166     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1167     return false;
1168   }
1169
1170   if (tv->ImageViewOnSent())
1171   {
1172     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1173     return true;
1174   }
1175
1176   bool bImageViewOnSent(false);
1177   MarkBusy();
1178   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1179   MarkReady();
1180
1181   if (bImageViewOnSent)
1182     tv->OnImageViewOnSent(true);
1183
1184   return bImageViewOnSent;
1185 }
1186
1187 bool CCECBusDevice::TransmitInactiveSource(void)
1188 {
1189   uint16_t iPhysicalAddress;
1190   {
1191     CLockObject lock(m_mutex);
1192     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1193     iPhysicalAddress = m_iPhysicalAddress;
1194   }
1195
1196   MarkBusy();
1197   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1198   MarkReady();
1199   return bReturn;
1200 }
1201
1202 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1203 {
1204   MarkBusy();
1205   bool bReturn = m_handler->ActivateSource(true);
1206   MarkReady();
1207   return bReturn;
1208 }
1209
1210 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1211 {
1212   SetPowerStatus(CEC_POWER_STATUS_ON);
1213
1214   CCECDeviceMap* map = m_processor->GetDevices();
1215   if (!map)
1216     return;
1217
1218   CCECBusDevice* newRoute = m_processor->GetDeviceByPhysicalAddress(iRoute, true);
1219   if (newRoute && newRoute->IsHandledByLibCEC())
1220   {
1221     // we were made the active source, send notification
1222     newRoute->ActivateSource();
1223   }
1224 }
1225
1226 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1227 {
1228   if (iNewAddress != CEC_INVALID_PHYSICAL_ADDRESS)
1229     SetPowerStatus(CEC_POWER_STATUS_ON);
1230
1231   CLockObject lock(m_mutex);
1232   if (iNewAddress != m_iStreamPath)
1233   {
1234     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1235     m_iStreamPath = iNewAddress;
1236   }
1237
1238   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1239     return;
1240
1241   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1242   if (device)
1243   {
1244     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1245     device->MarkAsActiveSource();
1246
1247     // respond with an active source message if this device is handled by libCEC
1248     if (device->IsHandledByLibCEC())
1249       device->TransmitActiveSource(true);
1250   }
1251   else
1252   {
1253     // try to find the device with the old address, and mark it as inactive when found
1254     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1255     if (device)
1256       device->MarkAsInactiveSource();
1257   }
1258 }
1259
1260 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1261 {
1262   bool bReturn(false);
1263   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1264
1265   MarkBusy();
1266   cec_power_status currentStatus;
1267   if (m_iLogicalAddress == CECDEVICE_TV ||
1268       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1269         currentStatus != CEC_POWER_STATUS_ON))
1270   {
1271     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1272     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1273   }
1274   else
1275   {
1276     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1277   }
1278
1279   MarkReady();
1280   return bReturn;
1281 }
1282
1283 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1284 {
1285   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1286
1287   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1288   MarkBusy();
1289   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1290   MarkReady();
1291   return bReturn;
1292 }
1293
1294 bool CCECBusDevice::NeedsPoll(void)
1295 {
1296   bool bSendPoll(false);
1297   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1298   switch (m_iLogicalAddress)
1299   {
1300   case CECDEVICE_PLAYBACKDEVICE3:
1301     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1302     break;
1303   case CECDEVICE_PLAYBACKDEVICE2:
1304     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1305     break;
1306   case CECDEVICE_RECORDINGDEVICE3:
1307     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1308     break;
1309   case CECDEVICE_RECORDINGDEVICE2:
1310     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1311     break;
1312   case CECDEVICE_TUNER4:
1313     pollAddress = CECDEVICE_TUNER3;
1314     break;
1315   case CECDEVICE_TUNER3:
1316     pollAddress = CECDEVICE_TUNER2;
1317     break;
1318   case CECDEVICE_TUNER2:
1319     pollAddress = CECDEVICE_TUNER1;
1320     break;
1321   case CECDEVICE_AUDIOSYSTEM:
1322   case CECDEVICE_PLAYBACKDEVICE1:
1323   case CECDEVICE_RECORDINGDEVICE1:
1324   case CECDEVICE_TUNER1:
1325   case CECDEVICE_TV:
1326     bSendPoll = true;
1327     break;
1328   default:
1329     break;
1330   }
1331
1332   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1333   {
1334     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1335     if (device)
1336     {
1337       cec_bus_device_status status = device->GetStatus();
1338       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1339     }
1340     else
1341     {
1342       bSendPoll = true;
1343     }
1344   }
1345
1346   return bSendPoll;
1347 }
1348
1349 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1350 {
1351   bool bRequestVendorId(false);
1352   {
1353     CLockObject lock(m_mutex);
1354     bRequestVendorId = !m_bVendorIdRequested;
1355     m_bVendorIdRequested = true;
1356   }
1357
1358   if (bRequestVendorId)
1359   {
1360     ReplaceHandler(false);
1361     GetVendorId(initiator);
1362   }
1363 }
1364 //@}
1365
1366 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1367 {
1368   return AsAudioSystem(this);
1369 }
1370
1371 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1372 {
1373   return AsPlaybackDevice(this);
1374 }
1375
1376 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1377 {
1378   return AsRecordingDevice(this);
1379 }
1380
1381 CCECTuner *CCECBusDevice::AsTuner(void)
1382 {
1383   return AsTuner(this);
1384 }
1385
1386 CCECTV *CCECBusDevice::AsTV(void)
1387 {
1388   return AsTV(this);
1389 }
1390
1391 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1392 {
1393   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1394     return static_cast<CCECAudioSystem *>(device);
1395   return NULL;
1396 }
1397
1398 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1399 {
1400   if (device &&
1401       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1402        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1403     return static_cast<CCECPlaybackDevice *>(device);
1404   return NULL;
1405 }
1406
1407 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1408 {
1409   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1410     return static_cast<CCECRecordingDevice *>(device);
1411   return NULL;
1412 }
1413
1414 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1415 {
1416   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1417     return static_cast<CCECTuner *>(device);
1418   return NULL;
1419 }
1420
1421 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1422 {
1423   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1424     return static_cast<CCECTV *>(device);
1425   return NULL;
1426 }
1427
1428 void CCECBusDevice::MarkBusy(void)
1429 {
1430   CLockObject handlerLock(m_handlerMutex);
1431   ++m_iHandlerUseCount;
1432 }
1433
1434 void CCECBusDevice::MarkReady(void)
1435 {
1436   CLockObject handlerLock(m_handlerMutex);
1437   if (m_iHandlerUseCount > 0)
1438     --m_iHandlerUseCount;
1439 }
1440
1441 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1442 {
1443   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1444
1445   if (!TransmitPoll(m_iLogicalAddress, false))
1446   {
1447     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1448     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1449
1450     return true;
1451   }
1452
1453   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1454   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1455   return false;
1456 }
1457
1458 CCECClient *CCECBusDevice::GetClient(void)
1459 {
1460   return m_processor->GetClient(m_iLogicalAddress);
1461 }
1462
1463 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1464 {
1465   m_waitForResponse->Received(opcode);
1466 }
1467
1468 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1469 {
1470   return m_waitForResponse->Wait(opcode);
1471 }