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             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON));
 304   }
 305
 306   if (bRequestUpdate)
 307     RequestPowerStatus();
 308
 309   CLockObject lock(&m_mutex);
 310   return m_powerStatus;
 311 }
 312
 313 bool CCECBusDevice::RequestPowerStatus(void)
 314 {
 315   bool bReturn(false);
 316
 317   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 318       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 319   {
 320     CStdString strLog;
 321     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 322     AddLog(CEC_LOG_NOTICE, strLog);
 323     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 324   }
 325   return bReturn;
 326 }
 327
 328 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 329 {
 330   bool bRequestUpdate(false);
 331   {
 332     CLockObject lock(&m_mutex);
 333     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 334         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 335   }
 336
 337   if (bRequestUpdate)
 338     RequestVendorId();
 339
 340   CLockObject lock(&m_mutex);
 341   return m_vendor;
 342 }
 343
 344 bool CCECBusDevice::RequestVendorId(void)
 345 {
 346   bool bReturn(false);
 347
 348   if (!MyLogicalAddressContains(m_iLogicalAddress))
 349   {
 350     CStdString strLog;
 351     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 352     AddLog(CEC_LOG_NOTICE, strLog);
 353     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 354   }
 355   return bReturn;
 356 }
 357
 358 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 359 {
 360   return ToString(GetVendorId(bUpdate));
 361 }
 362
 363 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 364 {
 365   return m_processor->HasLogicalAddress(address);
 366 }
 367
 368 bool CCECBusDevice::NeedsPoll(void)
 369 {
 370   bool bSendPoll(false);
 371   switch (m_iLogicalAddress)
 372   {
 373   case CECDEVICE_PLAYBACKDEVICE3:
 374     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 375       bSendPoll = true;
 376     break;
 377   case CECDEVICE_PLAYBACKDEVICE2:
 378     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 379       bSendPoll = true;
 380     break;
 381   case CECDEVICE_RECORDINGDEVICE3:
 382     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 383       bSendPoll = true;
 384     break;
 385   case CECDEVICE_RECORDINGDEVICE2:
 386     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 387       bSendPoll = true;
 388     break;
 389   case CECDEVICE_TUNER4:
 390     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 391       bSendPoll = true;
 392     break;
 393   case CECDEVICE_TUNER3:
 394     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 395       bSendPoll = true;
 396     break;
 397   case CECDEVICE_TUNER2:
 398     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 399       bSendPoll = true;
 400     break;
 401   case CECDEVICE_AUDIOSYSTEM:
 402   case CECDEVICE_PLAYBACKDEVICE1:
 403   case CECDEVICE_RECORDINGDEVICE1:
 404   case CECDEVICE_TUNER1:
 405   case CECDEVICE_TV:
 406     bSendPoll = true;
 407     break;
 408   default:
 409     break;
 410   }
 411
 412   return bSendPoll;
 413 }
 414
 415 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 416 {
 417   CLockObject lock(&m_mutex);
 418   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 419       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 420   {
 421     lock.Leave();
 422     bool bPollAcked(false);
 423     if (bForcePoll || NeedsPoll())
 424       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 425
 426     lock.Lock();
 427     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 428   }
 429
 430   return m_deviceStatus;
 431 }
 432
 433 //@}
 434
 435 /** @name Setters */
 436 //@{
 437 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 438 {
 439   m_cecVersion = newVersion;
 440
 441   CStdString strLog;
 442   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 443   AddLog(CEC_LOG_DEBUG, strLog);
 444 }
 445
 446 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 447 {
 448   CLockObject lock(&m_mutex);
 449   if (language.device == m_iLogicalAddress)
 450   {
 451     CStdString strLog;
 452     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 453     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 454     m_menuLanguage = language;
 455   }
 456 }
 457
 458 void CCECBusDevice::SetOSDName(CStdString strName)
 459 {
 460   CLockObject lock(&m_mutex);
 461   if (m_strDeviceName != strName)
 462   {
 463     CStdString strLog;
 464     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 465     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 466     m_strDeviceName = strName;
 467   }
 468 }
 469
 470 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 471 {
 472   CLockObject lock(&m_mutex);
 473   if (m_menuState != state)
 474   {
 475     CStdString strLog;
 476     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 477     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 478     m_menuState = state;
 479   }
 480 }
 481
 482 void CCECBusDevice::SetInactiveSource(void)
 483 {
 484   {
 485     CLockObject lock(&m_mutex);
 486     m_bActiveSource = false;
 487   }
 488
 489   if (MyLogicalAddressContains(m_iLogicalAddress))
 490     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 491 }
 492
 493 void CCECBusDevice::SetActiveSource(void)
 494 {
 495   CLockObject lock(&m_mutex);
 496
 497   for (int iPtr = 0; iPtr < 16; iPtr++)
 498     if (iPtr != m_iLogicalAddress)
 499       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 500
 501   m_bActiveSource = true;
 502   m_powerStatus   = CEC_POWER_STATUS_ON;
 503 }
 504
 505 bool CCECBusDevice::TryLogicalAddress(void)
 506 {
 507   CStdString strLog;
 508   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 509   AddLog(CEC_LOG_DEBUG, strLog);
 510
 511   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 512   if (!TransmitPoll(m_iLogicalAddress))
 513   {
 514     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 515     AddLog(CEC_LOG_NOTICE, strLog);
 516     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 517
 518     return true;
 519   }
 520
 521   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 522   AddLog(CEC_LOG_DEBUG, strLog);
 523   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 524   return false;
 525 }
 526
 527 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 528 {
 529   CLockObject lock(&m_mutex);
 530   switch (newStatus)
 531   {
 532   case CEC_DEVICE_STATUS_UNKNOWN:
 533     m_iStreamPath      = 0;
 534     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 535     m_vendor           = CEC_VENDOR_UNKNOWN;
 536     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 537     m_bActiveSource    = false;
 538     m_iLastActive      = 0;
 539     m_cecVersion       = CEC_VERSION_UNKNOWN;
 540     m_deviceStatus     = newStatus;
 541     break;
 542   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 543     m_iStreamPath      = 0;
 544     m_powerStatus      = CEC_POWER_STATUS_ON;
 545     m_vendor           = CEC_VENDOR_UNKNOWN;
 546     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 547     m_bActiveSource    = false;
 548     m_iLastActive      = 0;
 549     m_cecVersion       = CEC_VERSION_1_3A;
 550     m_deviceStatus     = newStatus;
 551     break;
 552   case CEC_DEVICE_STATUS_PRESENT:
 553   case CEC_DEVICE_STATUS_NOT_PRESENT:
 554     m_deviceStatus = newStatus;
 555     break;
 556   }
 557 }
 558
 559 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 560 {
 561   CLockObject lock(&m_mutex);
 562   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 563   {
 564     CStdString strLog;
 565     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 566     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 567
 568     m_iPhysicalAddress = iNewAddress;
 569   }
 570 }
 571
 572 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 573 {
 574   CLockObject lock(&m_mutex);
 575   if (iNewAddress > 0)
 576   {
 577     CStdString strLog;
 578     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 579     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 580
 581     m_iStreamPath = iNewAddress;
 582
 583     if (iNewAddress > 0)
 584     {
 585       lock.Leave();
 586       SetPowerStatus(CEC_POWER_STATUS_ON);
 587     }
 588   }
 589 }
 590
 591 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 592 {
 593   CLockObject lock(&m_mutex);
 594   if (m_powerStatus != powerStatus)
 595   {
 596     CStdString strLog;
 597     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 598     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 599     m_powerStatus = powerStatus;
 600   }
 601 }
 602
 603 bool CCECBusDevice::ReplaceHandler(bool bInitHandler /* = true */)
 604 {
 605   CLockObject lock(&m_mutex);
 606   CLockObject handlerLock(&m_handlerMutex);
 607
 608   if (m_vendor != m_handler->GetVendorId())
 609   {
 610     if (m_handler->InUse())
 611       return false;
 612
 613     delete m_handler;
 614
 615     switch (m_vendor)
 616     {
 617     case CEC_VENDOR_SAMSUNG:
 618       m_handler = new CANCommandHandler(this);
 619       break;
 620     case CEC_VENDOR_LG:
 621       m_handler = new CSLCommandHandler(this);
 622       break;
 623     case CEC_VENDOR_PANASONIC:
 624       m_handler = new CVLCommandHandler(this);
 625       break;
 626     default:
 627       m_handler = new CCECCommandHandler(this);
 628       break;
 629     }
 630
 631     if (bInitHandler && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
 632       m_handler->InitHandler();
 633   }
 634
 635   return true;
 636 }
 637
 638 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 639 {
 640   bool bVendorChanged(false);
 641
 642   {
 643     CLockObject lock(&m_mutex);
 644     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 645     m_vendor = (cec_vendor_id)iVendorId;
 646     ReplaceHandler(bInitHandler);
 647   }
 648
 649   CStdString strLog;
 650   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 651   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 652
 653   return bVendorChanged;
 654 }
 655 //@}
 656
 657 /** @name Transmit methods */
 658 //@{
 659 bool CCECBusDevice::TransmitActiveSource(void)
 660 {
 661   bool bSendActiveSource(false);
 662
 663   {
 664     CLockObject lock(&m_mutex);
 665     if (m_powerStatus != CEC_POWER_STATUS_ON)
 666     {
 667       CStdString strLog;
 668       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 669       AddLog(CEC_LOG_DEBUG, strLog);
 670     }
 671     else if (m_bActiveSource)
 672     {
 673       CStdString strLog;
 674       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 675       AddLog(CEC_LOG_NOTICE, strLog);
 676       bSendActiveSource = true;
 677     }
 678     else
 679     {
 680       CStdString strLog;
 681       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 682       AddLog(CEC_LOG_DEBUG, strLog);
 683     }
 684   }
 685
 686   if (bSendActiveSource)
 687   {
 688     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 689     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 690     return true;
 691   }
 692
 693   return false;
 694 }
 695
 696 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 697 {
 698   cec_version version;
 699   {
 700     CLockObject lock(&m_mutex);
 701     CStdString strLog;
 702     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 703     AddLog(CEC_LOG_NOTICE, strLog);
 704     version = m_cecVersion;
 705   }
 706
 707   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 708 }
 709
 710 bool CCECBusDevice::TransmitInactiveSource(void)
 711 {
 712   uint16_t iPhysicalAddress;
 713   {
 714     CLockObject lock(&m_mutex);
 715     CStdString strLog;
 716     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 717     AddLog(CEC_LOG_NOTICE, strLog);
 718     iPhysicalAddress = m_iPhysicalAddress;
 719   }
 720
 721   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 722 }
 723
 724 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 725 {
 726   cec_menu_state menuState;
 727   {
 728     CLockObject lock(&m_mutex);
 729     CStdString strLog;
 730     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 731     AddLog(CEC_LOG_NOTICE, strLog);
 732     menuState = m_menuState;
 733   }
 734
 735   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 736 }
 737
 738 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 739 {
 740   CStdString strDeviceName;
 741   {
 742     CLockObject lock(&m_mutex);
 743     CStdString strLog;
 744     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 745     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 746     strDeviceName = m_strDeviceName;
 747   }
 748
 749   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 750 }
 751
 752 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 753 {
 754   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 755   {
 756     CStdString strLog;
 757     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 758     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 759
 760     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 761   }
 762   return false;
 763 }
 764
 765 bool CCECBusDevice::TransmitPhysicalAddress(void)
 766 {
 767   uint16_t iPhysicalAddress;
 768   cec_device_type type;
 769   {
 770     CLockObject lock(&m_mutex);
 771     if (m_iPhysicalAddress == 0xffff)
 772       return false;
 773
 774     CStdString strLog;
 775     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 776     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 777
 778     iPhysicalAddress = m_iPhysicalAddress;
 779     type = m_type;
 780   }
 781
 782   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 783 }
 784
 785 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 786 {
 787   bool bReturn(false);
 788   if (dest == CECDEVICE_UNKNOWN)
 789     dest = m_iLogicalAddress;
 790
 791   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 792   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 793     return bReturn;
 794
 795   CStdString strLog;
 796   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 797   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 798   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 799   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 800
 801   CLockObject lock(&m_mutex);
 802   if (bReturn)
 803   {
 804     m_iLastActive = GetTimeMs();
 805     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 806   }
 807   else
 808     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 809
 810   return bReturn;
 811 }
 812
 813 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 814 {
 815   cec_power_status state;
 816   {
 817     CLockObject lock(&m_mutex);
 818     CStdString strLog;
 819     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 820     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 821     state = m_powerStatus;
 822   }
 823
 824   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 825 }
 826
 827 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 828 {
 829   uint64_t iVendorId;
 830   {
 831     CLockObject lock(&m_mutex);
 832     iVendorId = (uint64_t)m_vendor;
 833   }
 834
 835   if (iVendorId == CEC_VENDOR_UNKNOWN)
 836   {
 837     if (bSendAbort)
 838     {
 839       CStdString strLog;
 840       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 841       AddLog(CEC_LOG_NOTICE, strLog);
 842
 843       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 844     }
 845     return false;
 846   }
 847   else
 848   {
 849     CStdString strLog;
 850     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 851     AddLog(CEC_LOG_NOTICE, strLog);
 852
 853     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 854   }
 855 }
 856
 857 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 858 {
 859   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 860 }
 861
 862 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 863 {
 864   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 865 }
 866
 867 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 868 {
 869   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 870 }
 871
 872 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 873 {
 874   m_unsupportedFeatures.insert(opcode);
 875 }
 876
 877 bool CCECBusDevice::InitHandler(void)
 878 {
 879   CLockObject lock(&m_mutex);
 880   return m_handler->InitHandler();
 881 }
 882
 883 //@}