src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 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 "CECBusDevice.h"
  34 #include "../CECProcessor.h"
  35 #include "../implementations/ANCommandHandler.h"
  36 #include "../implementations/CECCommandHandler.h"
  37 #include "../implementations/SLCommandHandler.h"
  38 #include "../implementations/VLCommandHandler.h"
  39 #include "../LibCEC.h"
  40
  41 using namespace CEC;
  42 using namespace PLATFORM;
  43
  44 #define ToString(p) m_processor->ToString(p)
  45
  46 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  47   m_type(CEC_DEVICE_TYPE_RESERVED),
  48   m_iPhysicalAddress(iPhysicalAddress),
  49   m_iStreamPath(0),
  50   m_iLogicalAddress(iLogicalAddress),
  51   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  52   m_processor(processor),
  53   m_vendor(CEC_VENDOR_UNKNOWN),
  54   m_bReplaceHandler(false),
  55   m_menuState(CEC_MENU_STATE_ACTIVATED),
  56   m_bActiveSource(false),
  57   m_iLastActive(0),
  58   m_iLastPowerStateUpdate(0),
  59   m_cecVersion(CEC_VERSION_UNKNOWN),
  60   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN)
  61 {
  62   m_handler = new CCECCommandHandler(this);
  63
  64   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  65     m_menuLanguage.language[iPtr] = '?';
  66   m_menuLanguage.language[3] = 0;
  67   m_menuLanguage.device = iLogicalAddress;
  68
  69   m_strDeviceName = ToString(m_iLogicalAddress);
  70 }
  71
  72 CCECBusDevice::~CCECBusDevice(void)
  73 {
  74   delete m_handler;
  75 }
  76
  77 bool CCECBusDevice::HandleCommand(const cec_command &command)
  78 {
  79   bool bHandled(false);
  80
  81   /* update "last active" */
  82   {
  83     CLockObject lock(m_mutex);
  84     m_iLastActive = GetTimeMs();
  85
  86     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  87       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  88   }
  89
  90   /* handle the command */
  91   bHandled = m_handler->HandleCommand(command);
  92
  93   /* change status to present */
  94   if (bHandled)
  95   {
  96     CLockObject lock(m_mutex);
  97     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  98     {
  99       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 100         CLibCEC::AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 101       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 102     }
 103   }
 104
 105   return bHandled;
 106 }
 107
 108 bool CCECBusDevice::PowerOn(void)
 109 {
 110   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 111
 112   if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
 113   {
 114     {
 115       CLockObject lock(m_mutex);
 116 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 117       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 118     }
 119 //    cec_power_status status = GetPowerStatus();
 120 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 121 //    {
 122 //      /* sending the normal power on command appears to have failed */
 123 //      CStdString strLog;
 124 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 125 //      CLibCEC::AddLog(CEC_LOG_DEBUG, strLog.c_str());
 126 //
 127 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 128 //      return TransmitKeyRelease();
 129 //    }
 130     return true;
 131   }
 132
 133   return false;
 134 }
 135
 136 bool CCECBusDevice::Standby(void)
 137 {
 138   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 139   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 140 }
 141
 142 /** @name Getters */
 143 //@{
 144 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 145 {
 146   bool bRequestUpdate(false);
 147   {
 148     CLockObject lock(m_mutex);
 149     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 150       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
 151   }
 152
 153   if (bRequestUpdate)
 154     RequestCecVersion();
 155
 156   CLockObject lock(m_mutex);
 157   return m_cecVersion;
 158 }
 159
 160 bool CCECBusDevice::RequestCecVersion(void)
 161 {
 162   bool bReturn(false);
 163
 164   if (!MyLogicalAddressContains(m_iLogicalAddress))
 165   {
 166     m_handler->MarkBusy();
 167     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 168
 169     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 170     m_handler->MarkReady();
 171   }
 172   return bReturn;
 173 }
 174
 175 const char* CCECBusDevice::GetLogicalAddressName(void) const
 176 {
 177   return ToString(m_iLogicalAddress);
 178 }
 179
 180 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 181 {
 182   bool bRequestUpdate(false);
 183   {
 184     CLockObject lock(m_mutex);
 185     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 186         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 187   }
 188
 189   if (bRequestUpdate)
 190     RequestMenuLanguage();
 191
 192   CLockObject lock(m_mutex);
 193   return m_menuLanguage;
 194 }
 195
 196 bool CCECBusDevice::RequestMenuLanguage(void)
 197 {
 198   bool bReturn(false);
 199
 200   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 201       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 202   {
 203     m_handler->MarkBusy();
 204     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 205     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 206     m_handler->MarkReady();
 207   }
 208   return bReturn;
 209 }
 210
 211 cec_menu_state CCECBusDevice::GetMenuState(void)
 212 {
 213   CLockObject lock(m_mutex);
 214   return m_menuState;
 215 }
 216
 217 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 218 {
 219   return m_processor->GetLogicalAddress();
 220 }
 221
 222 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 223 {
 224   return m_processor->GetPhysicalAddress();
 225 }
 226
 227 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 228 {
 229   bool bRequestUpdate(false);
 230   {
 231     CLockObject lock(m_mutex);
 232     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 233         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 234         m_type != CEC_DEVICE_TYPE_TV);
 235   }
 236
 237   if (bRequestUpdate)
 238     RequestOSDName();
 239
 240   CLockObject lock(m_mutex);
 241   return m_strDeviceName;
 242 }
 243
 244 bool CCECBusDevice::RequestOSDName(void)
 245 {
 246   bool bReturn(false);
 247
 248   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 249       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 250   {
 251     m_handler->MarkBusy();
 252     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 253     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 254     m_handler->MarkReady();
 255   }
 256   return bReturn;
 257 }
 258
 259 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 260 {
 261   bool bRequestUpdate(false);
 262   {
 263     CLockObject lock(m_mutex);
 264     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 265         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 266   }
 267
 268   if (bRequestUpdate && !RequestPhysicalAddress())
 269     CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 270
 271   CLockObject lock(m_mutex);
 272   return m_iPhysicalAddress;
 273 }
 274
 275 bool CCECBusDevice::RequestPhysicalAddress(void)
 276 {
 277   bool bReturn(false);
 278
 279   if (!MyLogicalAddressContains(m_iLogicalAddress))
 280   {
 281     m_handler->MarkBusy();
 282     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 283     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 284     m_handler->MarkReady();
 285   }
 286   return bReturn;
 287 }
 288
 289 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 290 {
 291   bool bRequestUpdate(false);
 292   {
 293     CLockObject lock(m_mutex);
 294     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 295         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 296             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 297             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 298             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 299   }
 300
 301   if (bRequestUpdate)
 302     RequestPowerStatus();
 303
 304   CLockObject lock(m_mutex);
 305   return m_powerStatus;
 306 }
 307
 308 bool CCECBusDevice::RequestPowerStatus(void)
 309 {
 310   bool bReturn(false);
 311
 312   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 313       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 314   {
 315     m_handler->MarkBusy();
 316     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 317     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 318     m_handler->MarkReady();
 319   }
 320   return bReturn;
 321 }
 322
 323 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 324 {
 325   bool bRequestUpdate(false);
 326   {
 327     CLockObject lock(m_mutex);
 328     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 329         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 330   }
 331
 332   if (bRequestUpdate)
 333     RequestVendorId();
 334
 335   CLockObject lock(m_mutex);
 336   return m_vendor;
 337 }
 338
 339 bool CCECBusDevice::RequestVendorId(void)
 340 {
 341   bool bReturn(false);
 342
 343   if (!MyLogicalAddressContains(m_iLogicalAddress))
 344   {
 345     m_handler->MarkBusy();
 346     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 347     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 348     m_handler->MarkReady();
 349
 350     ReplaceHandler(true);
 351   }
 352   return bReturn;
 353 }
 354
 355 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 356 {
 357   return ToString(GetVendorId(bUpdate));
 358 }
 359
 360 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 361 {
 362   return m_processor->HasLogicalAddress(address);
 363 }
 364
 365 bool CCECBusDevice::NeedsPoll(void)
 366 {
 367   bool bSendPoll(false);
 368   switch (m_iLogicalAddress)
 369   {
 370   case CECDEVICE_PLAYBACKDEVICE3:
 371     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 372       bSendPoll = true;
 373     break;
 374   case CECDEVICE_PLAYBACKDEVICE2:
 375     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 376       bSendPoll = true;
 377     break;
 378   case CECDEVICE_RECORDINGDEVICE3:
 379     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 380       bSendPoll = true;
 381     break;
 382   case CECDEVICE_RECORDINGDEVICE2:
 383     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 384       bSendPoll = true;
 385     break;
 386   case CECDEVICE_TUNER4:
 387     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 388       bSendPoll = true;
 389     break;
 390   case CECDEVICE_TUNER3:
 391     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 392       bSendPoll = true;
 393     break;
 394   case CECDEVICE_TUNER2:
 395     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 396       bSendPoll = true;
 397     break;
 398   case CECDEVICE_AUDIOSYSTEM:
 399   case CECDEVICE_PLAYBACKDEVICE1:
 400   case CECDEVICE_RECORDINGDEVICE1:
 401   case CECDEVICE_TUNER1:
 402   case CECDEVICE_TV:
 403     bSendPoll = true;
 404     break;
 405   default:
 406     break;
 407   }
 408
 409   return bSendPoll;
 410 }
 411
 412 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 413 {
 414   CLockObject lock(m_mutex);
 415   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 416       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 417   {
 418     lock.Unlock();
 419     bool bPollAcked(false);
 420     if (bForcePoll || NeedsPoll())
 421       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 422
 423     lock.Lock();
 424     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 425   }
 426
 427   return m_deviceStatus;
 428 }
 429
 430 //@}
 431
 432 /** @name Setters */
 433 //@{
 434 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 435 {
 436   m_cecVersion = newVersion;
 437   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 438 }
 439
 440 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 441 {
 442   CLockObject lock(m_mutex);
 443   if (language.device == m_iLogicalAddress)
 444   {
 445     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 446     m_menuLanguage = language;
 447   }
 448 }
 449
 450 void CCECBusDevice::SetOSDName(CStdString strName)
 451 {
 452   CLockObject lock(m_mutex);
 453   if (m_strDeviceName != strName)
 454   {
 455     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 456     m_strDeviceName = strName;
 457   }
 458 }
 459
 460 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 461 {
 462   CLockObject lock(m_mutex);
 463   if (m_menuState != state)
 464   {
 465     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 466     m_menuState = state;
 467   }
 468 }
 469
 470 void CCECBusDevice::SetInactiveSource(void)
 471 {
 472   {
 473     CLockObject lock(m_mutex);
 474     m_bActiveSource = false;
 475   }
 476
 477   if (MyLogicalAddressContains(m_iLogicalAddress))
 478     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 479 }
 480
 481 void CCECBusDevice::SetActiveSource(void)
 482 {
 483   CLockObject lock(m_mutex);
 484   if (!m_bActiveSource)
 485     CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 486
 487   for (int iPtr = 0; iPtr < 16; iPtr++)
 488     if (iPtr != m_iLogicalAddress)
 489       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 490
 491   m_bActiveSource = true;
 492   m_powerStatus   = CEC_POWER_STATUS_ON;
 493 }
 494
 495 bool CCECBusDevice::TryLogicalAddress(void)
 496 {
 497   CLibCEC::AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
 498
 499   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 500   if (!TransmitPoll(m_iLogicalAddress))
 501   {
 502     CLibCEC::AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
 503     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 504
 505     return true;
 506   }
 507
 508   CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
 509   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 510   return false;
 511 }
 512
 513 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 514 {
 515   CLockObject lock(m_mutex);
 516   switch (newStatus)
 517   {
 518   case CEC_DEVICE_STATUS_UNKNOWN:
 519     m_iStreamPath      = 0;
 520     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 521     m_vendor           = CEC_VENDOR_UNKNOWN;
 522     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 523     m_bActiveSource    = false;
 524     m_iLastActive      = 0;
 525     m_cecVersion       = CEC_VERSION_UNKNOWN;
 526     m_deviceStatus     = newStatus;
 527     break;
 528   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 529     m_iStreamPath      = 0;
 530     m_powerStatus      = CEC_POWER_STATUS_ON;
 531     m_vendor           = CEC_VENDOR_UNKNOWN;
 532     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 533     m_bActiveSource    = false;
 534     m_iLastActive      = 0;
 535     m_cecVersion       = CEC_VERSION_1_3A;
 536     m_deviceStatus     = newStatus;
 537     break;
 538   case CEC_DEVICE_STATUS_PRESENT:
 539   case CEC_DEVICE_STATUS_NOT_PRESENT:
 540     m_deviceStatus = newStatus;
 541     break;
 542   }
 543 }
 544
 545 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 546 {
 547   CLockObject lock(m_mutex);
 548   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 549   {
 550     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 551     m_iPhysicalAddress = iNewAddress;
 552   }
 553 }
 554
 555 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 556 {
 557   CLockObject lock(m_mutex);
 558   if (iNewAddress > 0)
 559   {
 560     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 561     m_iStreamPath = iNewAddress;
 562
 563     if (iNewAddress > 0)
 564     {
 565       lock.Unlock();
 566       SetPowerStatus(CEC_POWER_STATUS_ON);
 567     }
 568   }
 569 }
 570
 571 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 572 {
 573   CLockObject lock(m_mutex);
 574   if (m_powerStatus != powerStatus)
 575   {
 576     m_iLastPowerStateUpdate = GetTimeMs();
 577     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 578     m_powerStatus = powerStatus;
 579   }
 580 }
 581
 582 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 583 {
 584   CLockObject lock(m_mutex);
 585   CLockObject handlerLock(m_handlerMutex);
 586
 587   if (m_vendor != m_handler->GetVendorId())
 588   {
 589     if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 590     {
 591       CStdString strLog;
 592       if (m_handler->InUse())
 593       {
 594         CLibCEC::AddLog(CEC_LOG_DEBUG, "handler for device '%s' (%x) is being used. not replacing the command handler", GetLogicalAddressName(), GetLogicalAddress());
 595         return false;
 596       }
 597
 598       CLibCEC::AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 599       delete m_handler;
 600
 601       switch (m_vendor)
 602       {
 603       case CEC_VENDOR_SAMSUNG:
 604         m_handler = new CANCommandHandler(this);
 605         break;
 606       case CEC_VENDOR_LG:
 607         m_handler = new CSLCommandHandler(this);
 608         break;
 609       case CEC_VENDOR_PANASONIC:
 610         m_handler = new CVLCommandHandler(this);
 611         break;
 612       default:
 613         m_handler = new CCECCommandHandler(this);
 614         break;
 615       }
 616
 617       m_handler->SetVendorId(m_vendor);
 618       m_handler->InitHandler();
 619
 620       if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
 621         m_handler->ActivateSource();
 622     }
 623   }
 624
 625   return true;
 626 }
 627
 628 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 629 {
 630   bool bVendorChanged(false);
 631
 632   {
 633     CLockObject lock(m_mutex);
 634     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 635     m_vendor = (cec_vendor_id)iVendorId;
 636   }
 637
 638   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 639
 640   return bVendorChanged;
 641 }
 642 //@}
 643
 644 /** @name Transmit methods */
 645 //@{
 646 bool CCECBusDevice::TransmitActiveSource(void)
 647 {
 648   bool bSendActiveSource(false);
 649
 650   {
 651     CLockObject lock(m_mutex);
 652     if (m_powerStatus != CEC_POWER_STATUS_ON)
 653       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 654     else if (m_bActiveSource)
 655     {
 656       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 657       bSendActiveSource = true;
 658     }
 659     else
 660       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 661   }
 662
 663   if (bSendActiveSource)
 664   {
 665     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 666     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 667     return true;
 668   }
 669
 670   return false;
 671 }
 672
 673 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 674 {
 675   cec_version version;
 676   {
 677     CLockObject lock(m_mutex);
 678     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 679     version = m_cecVersion;
 680   }
 681
 682   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 683 }
 684
 685 bool CCECBusDevice::TransmitInactiveSource(void)
 686 {
 687   uint16_t iPhysicalAddress;
 688   {
 689     CLockObject lock(m_mutex);
 690     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 691     iPhysicalAddress = m_iPhysicalAddress;
 692   }
 693
 694   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 695 }
 696
 697 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 698 {
 699   cec_menu_state menuState;
 700   {
 701     CLockObject lock(m_mutex);
 702     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 703     menuState = m_menuState;
 704   }
 705
 706   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 707 }
 708
 709 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 710 {
 711   CStdString strDeviceName;
 712   {
 713     CLockObject lock(m_mutex);
 714     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 715     strDeviceName = m_strDeviceName;
 716   }
 717
 718   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 719 }
 720
 721 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 722 {
 723   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 724   {
 725     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 726     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 727   }
 728   return false;
 729 }
 730
 731 bool CCECBusDevice::TransmitPhysicalAddress(void)
 732 {
 733   uint16_t iPhysicalAddress;
 734   cec_device_type type;
 735   {
 736     CLockObject lock(m_mutex);
 737     if (m_iPhysicalAddress == 0xffff)
 738       return false;
 739
 740     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 741     iPhysicalAddress = m_iPhysicalAddress;
 742     type = m_type;
 743   }
 744
 745   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 746 }
 747
 748 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 749 {
 750   bool bReturn(false);
 751   if (dest == CECDEVICE_UNKNOWN)
 752     dest = m_iLogicalAddress;
 753
 754   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 755   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 756     return bReturn;
 757
 758   CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 759   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 760   CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 761
 762   CLockObject lock(m_mutex);
 763   if (bReturn)
 764   {
 765     m_iLastActive = GetTimeMs();
 766     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 767   }
 768   else
 769     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 770
 771   return bReturn;
 772 }
 773
 774 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 775 {
 776   cec_power_status state;
 777   {
 778     CLockObject lock(m_mutex);
 779     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 780     state = m_powerStatus;
 781   }
 782
 783   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 784 }
 785
 786 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 787 {
 788   uint64_t iVendorId;
 789   {
 790     CLockObject lock(m_mutex);
 791     iVendorId = (uint64_t)m_vendor;
 792   }
 793
 794   if (iVendorId == CEC_VENDOR_UNKNOWN)
 795   {
 796     if (bSendAbort)
 797     {
 798       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 799       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 800     }
 801     return false;
 802   }
 803   else
 804   {
 805     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 806     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 807   }
 808 }
 809
 810 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 811 {
 812   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 813 }
 814
 815 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 816 {
 817   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 818 }
 819
 820 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 821 {
 822   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 823 }
 824
 825 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 826 {
 827   m_unsupportedFeatures.insert(opcode);
 828 }
 829
 830 bool CCECBusDevice::ActivateSource(void)
 831 {
 832   CLockObject lock(m_mutex);
 833   return m_handler->ActivateSource();
 834 }
 835
 836 //@}