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 "../platform/timeutils.h"
  40
  41 using namespace CEC;
  42
  43 #define ToString(p) m_processor->ToString(p)
  44
  45 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  46   m_type(CEC_DEVICE_TYPE_RESERVED),
  47   m_iPhysicalAddress(iPhysicalAddress),
  48   m_iStreamPath(0),
  49   m_iLogicalAddress(iLogicalAddress),
  50   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  51   m_processor(processor),
  52   m_vendor(CEC_VENDOR_UNKNOWN),
  53   m_bReplaceHandler(false),
  54   m_menuState(CEC_MENU_STATE_ACTIVATED),
  55   m_bActiveSource(false),
  56   m_iLastActive(0),
  57   m_cecVersion(CEC_VERSION_UNKNOWN),
  58   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
  59   m_handlerMutex(false)
  60 {
  61   m_handler = new CCECCommandHandler(this);
  62
  63   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  64     m_menuLanguage.language[iPtr] = '?';
  65   m_menuLanguage.language[3] = 0;
  66   m_menuLanguage.device = iLogicalAddress;
  67
  68   m_strDeviceName = ToString(m_iLogicalAddress);
  69 }
  70
  71 CCECBusDevice::~CCECBusDevice(void)
  72 {
  73   delete m_handler;
  74 }
  75
  76 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  77 {
  78   m_processor->AddLog(level, strMessage);
  79 }
  80
  81 bool CCECBusDevice::HandleCommand(const cec_command &command)
  82 {
  83   bool bHandled(false);
  84
  85   /* update "last active" */
  86   {
  87     CLockObject lock(&m_mutex);
  88     m_iLastActive = GetTimeMs();
  89
  90     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  91       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  92   }
  93
  94   /* handle the command */
  95   bHandled = m_handler->HandleCommand(command);
  96
  97   /* change status to present */
  98   if (bHandled)
  99   {
 100     CLockObject lock(&m_mutex);
 101     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 102     {
 103       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 104       {
 105         CStdString strLog;
 106         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 107         AddLog(CEC_LOG_DEBUG, strLog);
 108       }
 109       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 110     }
 111   }
 112
 113   return bHandled;
 114 }
 115
 116 bool CCECBusDevice::PowerOn(void)
 117 {
 118   CStdString strLog;
 119   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 120   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 121
 122   if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
 123   {
 124     {
 125       CLockObject lock(&m_mutex);
 126 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 127       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 128     }
 129 //    cec_power_status status = GetPowerStatus();
 130 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 131 //    {
 132 //      /* sending the normal power on command appears to have failed */
 133 //      CStdString strLog;
 134 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 135 //      AddLog(CEC_LOG_DEBUG, strLog.c_str());
 136 //
 137 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 138 //      return TransmitKeyRelease();
 139 //    }
 140     return true;
 141   }
 142
 143   return false;
 144 }
 145
 146 bool CCECBusDevice::Standby(void)
 147 {
 148   CStdString strLog;
 149   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 150   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 151
 152   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 153 }
 154
 155 /** @name Getters */
 156 //@{
 157 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 158 {
 159   bool bRequestUpdate(false);
 160   {
 161     CLockObject lock(&m_mutex);
 162     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 163       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
 164   }
 165
 166   if (bRequestUpdate)
 167     RequestCecVersion();
 168
 169   CLockObject lock(&m_mutex);
 170   return m_cecVersion;
 171 }
 172
 173 bool CCECBusDevice::RequestCecVersion(void)
 174 {
 175   bool bReturn(false);
 176
 177   if (!MyLogicalAddressContains(m_iLogicalAddress))
 178   {
 179     CStdString strLog;
 180     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 181     AddLog(CEC_LOG_NOTICE, strLog);
 182
 183     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 184   }
 185   return bReturn;
 186 }
 187
 188 const char* CCECBusDevice::GetLogicalAddressName(void) const
 189 {
 190   return ToString(m_iLogicalAddress);
 191 }
 192
 193 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 194 {
 195   bool bRequestUpdate(false);
 196   {
 197     CLockObject lock(&m_mutex);
 198     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 199         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 200   }
 201
 202   if (bRequestUpdate)
 203     RequestMenuLanguage();
 204
 205   CLockObject lock(&m_mutex);
 206   return m_menuLanguage;
 207 }
 208
 209 bool CCECBusDevice::RequestMenuLanguage(void)
 210 {
 211   bool bReturn(false);
 212
 213   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 214       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 215   {
 216     CStdString strLog;
 217     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 218     AddLog(CEC_LOG_NOTICE, strLog);
 219     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 220   }
 221   return bReturn;
 222 }
 223
 224 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 225 {
 226   return m_processor->GetLogicalAddress();
 227 }
 228
 229 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 230 {
 231   return m_processor->GetPhysicalAddress();
 232 }
 233
 234 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 235 {
 236   bool bRequestUpdate(false);
 237   {
 238     CLockObject lock(&m_mutex);
 239     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 240         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 241         m_type != CEC_DEVICE_TYPE_TV);
 242   }
 243
 244   if (bRequestUpdate)
 245     RequestOSDName();
 246
 247   CLockObject lock(&m_mutex);
 248   return m_strDeviceName;
 249 }
 250
 251 bool CCECBusDevice::RequestOSDName(void)
 252 {
 253   bool bReturn(false);
 254
 255   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 256       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 257   {
 258     CStdString strLog;
 259     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 260     AddLog(CEC_LOG_NOTICE, strLog);
 261     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 262   }
 263   return bReturn;
 264 }
 265
 266 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 267 {
 268   bool bRequestUpdate(false);
 269   {
 270     CLockObject lock(&m_mutex);
 271     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 272         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 273   }
 274
 275   if (bRequestUpdate && !RequestPhysicalAddress())
 276     AddLog(CEC_LOG_ERROR, "failed to request the physical address (1)");
 277
 278   CLockObject lock(&m_mutex);
 279   return m_iPhysicalAddress;
 280 }
 281
 282 bool CCECBusDevice::RequestPhysicalAddress(void)
 283 {
 284   bool bReturn(false);
 285
 286   if (!MyLogicalAddressContains(m_iLogicalAddress))
 287   {
 288     CStdString strLog;
 289     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 290     AddLog(CEC_LOG_NOTICE, strLog);
 291     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 292   }
 293   return bReturn;
 294 }
 295
 296 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 297 {
 298   bool bRequestUpdate(false);
 299   {
 300     CLockObject lock(&m_mutex);
 301     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 302         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN));
 303   }
 304
 305   if (bRequestUpdate)
 306     RequestPowerStatus();
 307
 308   CLockObject lock(&m_mutex);
 309   return m_powerStatus;
 310 }
 311
 312 bool CCECBusDevice::RequestPowerStatus(void)
 313 {
 314   bool bReturn(false);
 315
 316   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 317       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 318   {
 319     CStdString strLog;
 320     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 321     AddLog(CEC_LOG_NOTICE, strLog);
 322     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 323   }
 324   return bReturn;
 325 }
 326
 327 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 328 {
 329   bool bRequestUpdate(false);
 330   {
 331     CLockObject lock(&m_mutex);
 332     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 333         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 334   }
 335
 336   if (bRequestUpdate)
 337     RequestVendorId();
 338
 339   CLockObject lock(&m_mutex);
 340   return m_vendor;
 341 }
 342
 343 bool CCECBusDevice::RequestVendorId(void)
 344 {
 345   bool bReturn(false);
 346
 347   if (!MyLogicalAddressContains(m_iLogicalAddress))
 348   {
 349     CStdString strLog;
 350     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 351     AddLog(CEC_LOG_NOTICE, strLog);
 352     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 353   }
 354   return bReturn;
 355 }
 356
 357 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 358 {
 359   return ToString(GetVendorId(bUpdate));
 360 }
 361
 362 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 363 {
 364   return m_processor->HasLogicalAddress(address);
 365 }
 366
 367 bool CCECBusDevice::NeedsPoll(void)
 368 {
 369   bool bSendPoll(false);
 370   switch (m_iLogicalAddress)
 371   {
 372   case CECDEVICE_PLAYBACKDEVICE3:
 373     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 374       bSendPoll = true;
 375     break;
 376   case CECDEVICE_PLAYBACKDEVICE2:
 377     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 378       bSendPoll = true;
 379     break;
 380   case CECDEVICE_RECORDINGDEVICE3:
 381     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 382       bSendPoll = true;
 383     break;
 384   case CECDEVICE_RECORDINGDEVICE2:
 385     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 386       bSendPoll = true;
 387     break;
 388   case CECDEVICE_TUNER4:
 389     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 390       bSendPoll = true;
 391     break;
 392   case CECDEVICE_TUNER3:
 393     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 394       bSendPoll = true;
 395     break;
 396   case CECDEVICE_TUNER2:
 397     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 398       bSendPoll = true;
 399     break;
 400   case CECDEVICE_AUDIOSYSTEM:
 401   case CECDEVICE_PLAYBACKDEVICE1:
 402   case CECDEVICE_RECORDINGDEVICE1:
 403   case CECDEVICE_TUNER1:
 404   case CECDEVICE_TV:
 405     bSendPoll = true;
 406     break;
 407   default:
 408     break;
 409   }
 410
 411   return bSendPoll;
 412 }
 413
 414 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 415 {
 416   CLockObject lock(&m_mutex);
 417   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 418       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 419   {
 420     lock.Leave();
 421     bool bPollAcked(false);
 422     if (bForcePoll || NeedsPoll())
 423       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 424
 425     lock.Lock();
 426     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 427   }
 428
 429   return m_deviceStatus;
 430 }
 431
 432 //@}
 433
 434 /** @name Setters */
 435 //@{
 436 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 437 {
 438   m_cecVersion = newVersion;
 439
 440   CStdString strLog;
 441   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 442   AddLog(CEC_LOG_DEBUG, strLog);
 443 }
 444
 445 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 446 {
 447   CLockObject lock(&m_mutex);
 448   if (language.device == m_iLogicalAddress)
 449   {
 450     CStdString strLog;
 451     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 452     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 453     m_menuLanguage = language;
 454   }
 455 }
 456
 457 void CCECBusDevice::SetOSDName(CStdString strName)
 458 {
 459   CLockObject lock(&m_mutex);
 460   if (m_strDeviceName != strName)
 461   {
 462     CStdString strLog;
 463     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 464     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 465     m_strDeviceName = strName;
 466   }
 467 }
 468
 469 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 470 {
 471   CLockObject lock(&m_mutex);
 472   if (m_menuState != state)
 473   {
 474     CStdString strLog;
 475     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 476     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 477     m_menuState = state;
 478   }
 479 }
 480
 481 void CCECBusDevice::SetInactiveSource(void)
 482 {
 483   {
 484     CLockObject lock(&m_mutex);
 485     m_bActiveSource = false;
 486   }
 487
 488   if (MyLogicalAddressContains(m_iLogicalAddress))
 489     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 490 }
 491
 492 void CCECBusDevice::SetActiveSource(void)
 493 {
 494   CLockObject lock(&m_mutex);
 495
 496   for (int iPtr = 0; iPtr < 16; iPtr++)
 497     if (iPtr != m_iLogicalAddress)
 498       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 499
 500   m_bActiveSource = true;
 501   m_powerStatus   = CEC_POWER_STATUS_ON;
 502 }
 503
 504 bool CCECBusDevice::TryLogicalAddress(void)
 505 {
 506   CStdString strLog;
 507   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 508   AddLog(CEC_LOG_DEBUG, strLog);
 509
 510   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 511   if (!TransmitPoll(m_iLogicalAddress))
 512   {
 513     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 514     AddLog(CEC_LOG_NOTICE, strLog);
 515     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 516
 517     return true;
 518   }
 519
 520   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 521   AddLog(CEC_LOG_DEBUG, strLog);
 522   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 523   return false;
 524 }
 525
 526 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 527 {
 528   CLockObject lock(&m_mutex);
 529   switch (newStatus)
 530   {
 531   case CEC_DEVICE_STATUS_UNKNOWN:
 532     m_iStreamPath      = 0;
 533     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 534     m_vendor           = CEC_VENDOR_UNKNOWN;
 535     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 536     m_bActiveSource    = false;
 537     m_iLastActive      = 0;
 538     m_cecVersion       = CEC_VERSION_UNKNOWN;
 539     m_deviceStatus     = newStatus;
 540     break;
 541   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 542     m_iStreamPath      = 0;
 543     m_powerStatus      = CEC_POWER_STATUS_ON;
 544     m_vendor           = CEC_VENDOR_UNKNOWN;
 545     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 546     m_bActiveSource    = false;
 547     m_iLastActive      = 0;
 548     m_cecVersion       = CEC_VERSION_1_3A;
 549     m_deviceStatus     = newStatus;
 550     break;
 551   case CEC_DEVICE_STATUS_PRESENT:
 552   case CEC_DEVICE_STATUS_NOT_PRESENT:
 553     m_deviceStatus = newStatus;
 554     break;
 555   }
 556 }
 557
 558 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 559 {
 560   CLockObject lock(&m_mutex);
 561   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 562   {
 563     CStdString strLog;
 564     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 565     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 566
 567     m_iPhysicalAddress = iNewAddress;
 568   }
 569 }
 570
 571 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 572 {
 573   CLockObject lock(&m_mutex);
 574   if (iNewAddress > 0)
 575   {
 576     CStdString strLog;
 577     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 578     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 579
 580     m_iStreamPath = iNewAddress;
 581
 582     if (iNewAddress > 0)
 583     {
 584       lock.Leave();
 585       SetPowerStatus(CEC_POWER_STATUS_ON);
 586     }
 587   }
 588 }
 589
 590 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 591 {
 592   CLockObject lock(&m_mutex);
 593   if (m_powerStatus != powerStatus)
 594   {
 595     CStdString strLog;
 596     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 597     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 598     m_powerStatus = powerStatus;
 599   }
 600 }
 601
 602 bool CCECBusDevice::ReplaceHandler(bool bInitHandler /* = true */)
 603 {
 604   CLockObject lock(&m_mutex);
 605   CLockObject handlerLock(&m_handlerMutex);
 606
 607   if (m_vendor != m_handler->GetVendorId())
 608   {
 609     if (m_handler->InUse())
 610       return false;
 611
 612     delete m_handler;
 613
 614     switch (m_vendor)
 615     {
 616     case CEC_VENDOR_SAMSUNG:
 617       m_handler = new CANCommandHandler(this);
 618       break;
 619     case CEC_VENDOR_LG:
 620       m_handler = new CSLCommandHandler(this);
 621       break;
 622     case CEC_VENDOR_PANASONIC:
 623       m_handler = new CVLCommandHandler(this);
 624       break;
 625     default:
 626       m_handler = new CCECCommandHandler(this);
 627       break;
 628     }
 629
 630     if (bInitHandler && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
 631       m_handler->InitHandler();
 632   }
 633
 634   return true;
 635 }
 636
 637 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 638 {
 639   bool bVendorChanged(false);
 640
 641   {
 642     CLockObject lock(&m_mutex);
 643     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 644     m_vendor = (cec_vendor_id)iVendorId;
 645     ReplaceHandler(bInitHandler);
 646   }
 647
 648   CStdString strLog;
 649   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 650   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 651
 652   return bVendorChanged;
 653 }
 654 //@}
 655
 656 /** @name Transmit methods */
 657 //@{
 658 bool CCECBusDevice::TransmitActiveSource(void)
 659 {
 660   bool bSendActiveSource(false);
 661
 662   {
 663     CLockObject lock(&m_mutex);
 664     if (m_powerStatus != CEC_POWER_STATUS_ON)
 665     {
 666       CStdString strLog;
 667       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 668       AddLog(CEC_LOG_DEBUG, strLog);
 669     }
 670     else if (m_bActiveSource)
 671     {
 672       CStdString strLog;
 673       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 674       AddLog(CEC_LOG_NOTICE, strLog);
 675       bSendActiveSource = true;
 676     }
 677     else
 678     {
 679       CStdString strLog;
 680       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 681       AddLog(CEC_LOG_DEBUG, strLog);
 682     }
 683   }
 684
 685   if (bSendActiveSource)
 686   {
 687     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 688     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 689     return true;
 690   }
 691
 692   return false;
 693 }
 694
 695 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 696 {
 697   cec_version version;
 698   {
 699     CLockObject lock(&m_mutex);
 700     CStdString strLog;
 701     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 702     AddLog(CEC_LOG_NOTICE, strLog);
 703     version = m_cecVersion;
 704   }
 705
 706   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 707 }
 708
 709 bool CCECBusDevice::TransmitInactiveSource(void)
 710 {
 711   uint16_t iPhysicalAddress;
 712   {
 713     CLockObject lock(&m_mutex);
 714     CStdString strLog;
 715     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 716     AddLog(CEC_LOG_NOTICE, strLog);
 717     iPhysicalAddress = m_iPhysicalAddress;
 718   }
 719
 720   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 721 }
 722
 723 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 724 {
 725   cec_menu_state menuState;
 726   {
 727     CLockObject lock(&m_mutex);
 728     CStdString strLog;
 729     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 730     AddLog(CEC_LOG_NOTICE, strLog);
 731     menuState = m_menuState;
 732   }
 733
 734   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 735 }
 736
 737 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 738 {
 739   CStdString strDeviceName;
 740   {
 741     CLockObject lock(&m_mutex);
 742     CStdString strLog;
 743     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 744     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 745     strDeviceName = m_strDeviceName;
 746   }
 747
 748   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 749 }
 750
 751 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 752 {
 753   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 754   {
 755     CStdString strLog;
 756     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 757     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 758
 759     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 760   }
 761   return false;
 762 }
 763
 764 bool CCECBusDevice::TransmitPhysicalAddress(void)
 765 {
 766   uint16_t iPhysicalAddress;
 767   cec_device_type type;
 768   {
 769     CLockObject lock(&m_mutex);
 770     if (m_iPhysicalAddress == 0xffff)
 771       return false;
 772
 773     CStdString strLog;
 774     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 775     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 776
 777     iPhysicalAddress = m_iPhysicalAddress;
 778     type = m_type;
 779   }
 780
 781   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 782 }
 783
 784 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 785 {
 786   bool bReturn(false);
 787   if (dest == CECDEVICE_UNKNOWN)
 788     dest = m_iLogicalAddress;
 789
 790   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 791   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 792     return bReturn;
 793
 794   CStdString strLog;
 795   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 796   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 797   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 798   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 799
 800   CLockObject lock(&m_mutex);
 801   if (bReturn)
 802   {
 803     m_iLastActive = GetTimeMs();
 804     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 805   }
 806   else
 807     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 808
 809   return bReturn;
 810 }
 811
 812 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 813 {
 814   cec_power_status state;
 815   {
 816     CLockObject lock(&m_mutex);
 817     CStdString strLog;
 818     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 819     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 820     state = m_powerStatus;
 821   }
 822
 823   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 824 }
 825
 826 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 827 {
 828   uint64_t iVendorId;
 829   {
 830     CLockObject lock(&m_mutex);
 831     iVendorId = (uint64_t)m_vendor;
 832   }
 833
 834   if (iVendorId == CEC_VENDOR_UNKNOWN)
 835   {
 836     if (bSendAbort)
 837     {
 838       CStdString strLog;
 839       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 840       AddLog(CEC_LOG_NOTICE, strLog);
 841
 842       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 843     }
 844     return false;
 845   }
 846   else
 847   {
 848     CStdString strLog;
 849     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 850     AddLog(CEC_LOG_NOTICE, strLog);
 851
 852     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 853   }
 854 }
 855
 856 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 857 {
 858   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 859 }
 860
 861 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 862 {
 863   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 864 }
 865
 866 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 867 {
 868   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 869 }
 870
 871 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 872 {
 873   m_unsupportedFeatures.insert(opcode);
 874 }
 875
 876 bool CCECBusDevice::InitHandler(void)
 877 {
 878   CLockObject lock(&m_mutex);
 879   return m_handler->InitHandler();
 880 }
 881
 882 //@}