src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "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 #include "../platform/util/timeutils.h"
  41
  42 using namespace CEC;
  43 using namespace PLATFORM;
  44
  45 #define ToString(p) m_processor->ToString(p)
  46
  47 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  48   m_type(CEC_DEVICE_TYPE_RESERVED),
  49   m_iPhysicalAddress(iPhysicalAddress),
  50   m_iStreamPath(0),
  51   m_iLogicalAddress(iLogicalAddress),
  52   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  53   m_processor(processor),
  54   m_vendor(CEC_VENDOR_UNKNOWN),
  55   m_bReplaceHandler(false),
  56   m_menuState(CEC_MENU_STATE_ACTIVATED),
  57   m_bActiveSource(false),
  58   m_iLastActive(0),
  59   m_iLastPowerStateUpdate(0),
  60   m_cecVersion(CEC_VERSION_UNKNOWN),
  61   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
  62   m_iHandlerUseCount(0),
  63   m_bAwaitingReceiveFailed(false)
  64 {
  65   m_handler = new CCECCommandHandler(this);
  66
  67   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  68     m_menuLanguage.language[iPtr] = '?';
  69   m_menuLanguage.language[3] = 0;
  70   m_menuLanguage.device = iLogicalAddress;
  71
  72   m_strDeviceName = ToString(m_iLogicalAddress);
  73 }
  74
  75 CCECBusDevice::~CCECBusDevice(void)
  76 {
  77   delete m_handler;
  78 }
  79
  80 bool CCECBusDevice::HandleCommand(const cec_command &command)
  81 {
  82   bool bHandled(false);
  83
  84   /* update "last active" */
  85   {
  86     CLockObject lock(m_mutex);
  87     m_iLastActive = GetTimeMs();
  88
  89     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  90       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  91
  92     MarkBusy();
  93   }
  94
  95   /* handle the command */
  96   bHandled = m_handler->HandleCommand(command);
  97
  98   /* change status to present */
  99   if (bHandled)
 100   {
 101     CLockObject lock(m_mutex);
 102     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 103     {
 104       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 105         CLibCEC::AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 106       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 107     }
 108   }
 109
 110   MarkReady();
 111   return bHandled;
 112 }
 113
 114 bool CCECBusDevice::PowerOn(void)
 115 {
 116   bool bReturn(false);
 117   GetVendorId(); // ensure that we got the vendor id, because the implementations vary per vendor
 118
 119   MarkBusy();
 120   CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 121   if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
 122   {
 123     SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 124     bReturn = true;
 125   }
 126
 127   MarkReady();
 128   return bReturn;
 129 }
 130
 131 bool CCECBusDevice::Standby(void)
 132 {
 133   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 134   MarkBusy();
 135   bool bReturn = m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 136   MarkReady();
 137   return bReturn;
 138 }
 139
 140 /** @name Getters */
 141 //@{
 142 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 143 {
 144   bool bRequestUpdate(false);
 145   {
 146     CLockObject lock(m_mutex);
 147     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 148       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
 149   }
 150
 151   if (bRequestUpdate)
 152     RequestCecVersion();
 153
 154   CLockObject lock(m_mutex);
 155   return m_cecVersion;
 156 }
 157
 158 bool CCECBusDevice::RequestCecVersion(void)
 159 {
 160   bool bReturn(false);
 161
 162   if (!MyLogicalAddressContains(m_iLogicalAddress))
 163   {
 164     MarkBusy();
 165     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 166
 167     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 168     MarkReady();
 169   }
 170   return bReturn;
 171 }
 172
 173 const char* CCECBusDevice::GetLogicalAddressName(void) const
 174 {
 175   return ToString(m_iLogicalAddress);
 176 }
 177
 178 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 179 {
 180   bool bRequestUpdate(false);
 181   {
 182     CLockObject lock(m_mutex);
 183     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 184         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 185   }
 186
 187   if (bRequestUpdate)
 188     RequestMenuLanguage();
 189
 190   CLockObject lock(m_mutex);
 191   return m_menuLanguage;
 192 }
 193
 194 bool CCECBusDevice::RequestMenuLanguage(void)
 195 {
 196   bool bReturn(false);
 197
 198   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 199       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 200   {
 201     MarkBusy();
 202     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 203     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 204     MarkReady();
 205   }
 206   return bReturn;
 207 }
 208
 209 cec_menu_state CCECBusDevice::GetMenuState(void)
 210 {
 211   CLockObject lock(m_mutex);
 212   return m_menuState;
 213 }
 214
 215 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 216 {
 217   return m_processor->GetLogicalAddress();
 218 }
 219
 220 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 221 {
 222   return m_processor->GetPhysicalAddress();
 223 }
 224
 225 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 226 {
 227   bool bRequestUpdate(false);
 228   {
 229     CLockObject lock(m_mutex);
 230     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 231         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 232         m_type != CEC_DEVICE_TYPE_TV);
 233   }
 234
 235   if (bRequestUpdate)
 236     RequestOSDName();
 237
 238   CLockObject lock(m_mutex);
 239   return m_strDeviceName;
 240 }
 241
 242 bool CCECBusDevice::RequestOSDName(void)
 243 {
 244   bool bReturn(false);
 245
 246   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 247       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 248   {
 249     MarkBusy();
 250     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 251     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 252     MarkReady();
 253   }
 254   return bReturn;
 255 }
 256
 257 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 258 {
 259   bool bRequestUpdate(false);
 260   {
 261     CLockObject lock(m_mutex);
 262     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 263         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 264   }
 265
 266   if (bRequestUpdate && !RequestPhysicalAddress())
 267     CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 268
 269   CLockObject lock(m_mutex);
 270   return m_iPhysicalAddress;
 271 }
 272
 273 bool CCECBusDevice::RequestPhysicalAddress(void)
 274 {
 275   bool bReturn(false);
 276
 277   if (!MyLogicalAddressContains(m_iLogicalAddress))
 278   {
 279     MarkBusy();
 280     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 281     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 282     MarkReady();
 283   }
 284   return bReturn;
 285 }
 286
 287 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 288 {
 289   bool bRequestUpdate(false);
 290   {
 291     CLockObject lock(m_mutex);
 292     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 293         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 294             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 295             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 296             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 297   }
 298
 299   if (bRequestUpdate)
 300     RequestPowerStatus();
 301
 302   CLockObject lock(m_mutex);
 303   return m_powerStatus;
 304 }
 305
 306 bool CCECBusDevice::RequestPowerStatus(void)
 307 {
 308   bool bReturn(false);
 309
 310   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 311       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 312   {
 313     MarkBusy();
 314     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 315     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 316     MarkReady();
 317   }
 318   return bReturn;
 319 }
 320
 321 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 322 {
 323   bool bRequestUpdate(false);
 324   {
 325     CLockObject lock(m_mutex);
 326     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 327         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 328   }
 329
 330   if (bRequestUpdate)
 331     RequestVendorId();
 332
 333   CLockObject lock(m_mutex);
 334   return m_vendor;
 335 }
 336
 337 bool CCECBusDevice::RequestVendorId(void)
 338 {
 339   bool bReturn(false);
 340
 341   if (!MyLogicalAddressContains(m_iLogicalAddress))
 342   {
 343     MarkBusy();
 344     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 345     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 346     MarkReady();
 347
 348     ReplaceHandler(true);
 349   }
 350   return bReturn;
 351 }
 352
 353 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 354 {
 355   return ToString(GetVendorId(bUpdate));
 356 }
 357
 358 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 359 {
 360   return m_processor->HasLogicalAddress(address);
 361 }
 362
 363 bool CCECBusDevice::NeedsPoll(void)
 364 {
 365   bool bSendPoll(false);
 366   switch (m_iLogicalAddress)
 367   {
 368   case CECDEVICE_PLAYBACKDEVICE3:
 369     {
 370       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus();
 371       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 372     }
 373     break;
 374   case CECDEVICE_PLAYBACKDEVICE2:
 375     {
 376       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus();
 377       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 378     }
 379     break;
 380   case CECDEVICE_RECORDINGDEVICE3:
 381     {
 382       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus();
 383       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 384     }
 385     break;
 386   case CECDEVICE_RECORDINGDEVICE2:
 387     {
 388       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus();
 389       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 390     }
 391     break;
 392   case CECDEVICE_TUNER4:
 393     {
 394       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus();
 395       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 396     }
 397     break;
 398   case CECDEVICE_TUNER3:
 399     {
 400       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus();
 401       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 402     }
 403     break;
 404   case CECDEVICE_TUNER2:
 405     {
 406       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus();
 407       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 408     }
 409     break;
 410   case CECDEVICE_AUDIOSYSTEM:
 411   case CECDEVICE_PLAYBACKDEVICE1:
 412   case CECDEVICE_RECORDINGDEVICE1:
 413   case CECDEVICE_TUNER1:
 414   case CECDEVICE_TV:
 415     bSendPoll = true;
 416     break;
 417   default:
 418     break;
 419   }
 420
 421   return bSendPoll;
 422 }
 423
 424 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 425 {
 426   CLockObject lock(m_mutex);
 427   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 428       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 429   {
 430     lock.Unlock();
 431     bool bPollAcked(false);
 432     if (bForcePoll || NeedsPoll())
 433       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 434
 435     lock.Lock();
 436     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 437   }
 438
 439   return m_deviceStatus;
 440 }
 441
 442 //@}
 443
 444 /** @name Setters */
 445 //@{
 446 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 447 {
 448   m_cecVersion = newVersion;
 449   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 450 }
 451
 452 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 453 {
 454   CLockObject lock(m_mutex);
 455   if (language.device == m_iLogicalAddress)
 456   {
 457     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 458     m_menuLanguage = language;
 459   }
 460 }
 461
 462 void CCECBusDevice::SetOSDName(CStdString strName)
 463 {
 464   CLockObject lock(m_mutex);
 465   if (m_strDeviceName != strName)
 466   {
 467     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 468     m_strDeviceName = strName;
 469   }
 470 }
 471
 472 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 473 {
 474   CLockObject lock(m_mutex);
 475   if (m_menuState != state)
 476   {
 477     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 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   if (!m_bActiveSource)
 497     CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 498
 499   for (int iPtr = 0; iPtr < 16; iPtr++)
 500     if (iPtr != m_iLogicalAddress)
 501       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 502
 503   m_bActiveSource = true;
 504   SetPowerStatus(CEC_POWER_STATUS_ON);
 505 }
 506
 507 bool CCECBusDevice::TryLogicalAddress(void)
 508 {
 509   CLibCEC::AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
 510
 511   m_processor->SetAckMask(0);
 512   if (!TransmitPoll(m_iLogicalAddress))
 513   {
 514     CLibCEC::AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
 515     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 516
 517     return true;
 518   }
 519
 520   CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
 521   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 522   return false;
 523 }
 524
 525 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 526 {
 527   CLockObject lock(m_mutex);
 528   switch (newStatus)
 529   {
 530   case CEC_DEVICE_STATUS_UNKNOWN:
 531     m_iStreamPath      = 0;
 532     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 533     m_vendor           = CEC_VENDOR_UNKNOWN;
 534     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 535     m_bActiveSource    = false;
 536     m_iLastActive      = 0;
 537     m_cecVersion       = CEC_VERSION_UNKNOWN;
 538     m_deviceStatus     = newStatus;
 539     break;
 540   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 541     m_iStreamPath      = 0;
 542     m_powerStatus      = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 543     m_vendor           = CEC_VENDOR_UNKNOWN;
 544     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 545     m_bActiveSource    = false;
 546     m_iLastActive      = 0;
 547     m_cecVersion       = CEC_VERSION_1_3A;
 548     m_deviceStatus     = newStatus;
 549     break;
 550   case CEC_DEVICE_STATUS_PRESENT:
 551   case CEC_DEVICE_STATUS_NOT_PRESENT:
 552     m_deviceStatus = newStatus;
 553     break;
 554   }
 555 }
 556
 557 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 558 {
 559   CLockObject lock(m_mutex);
 560   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 561   {
 562     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 563     m_iPhysicalAddress = iNewAddress;
 564   }
 565 }
 566
 567 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 568 {
 569   CLockObject lock(m_mutex);
 570   if (iNewAddress > 0)
 571   {
 572     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 573     m_iStreamPath = iNewAddress;
 574
 575     if (iNewAddress > 0)
 576     {
 577       lock.Unlock();
 578       SetPowerStatus(CEC_POWER_STATUS_ON);
 579     }
 580   }
 581 }
 582
 583 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 584 {
 585   CLockObject lock(m_mutex);
 586   if (m_powerStatus != powerStatus)
 587   {
 588     m_iLastPowerStateUpdate = GetTimeMs();
 589     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 590     m_powerStatus = powerStatus;
 591   }
 592 }
 593
 594 void CCECBusDevice::MarkBusy(void)
 595 {
 596   CLockObject handlerLock(m_handlerMutex);
 597   ++m_iHandlerUseCount;
 598 }
 599
 600 void CCECBusDevice::MarkReady(void)
 601 {
 602   CLockObject handlerLock(m_handlerMutex);
 603   if (m_iHandlerUseCount > 0)
 604     --m_iHandlerUseCount;
 605 }
 606
 607 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 608 {
 609   bool bInitHandler(false);
 610   {
 611     CTryLockObject lock(m_mutex);
 612     if (!lock.IsLocked())
 613       return false;
 614
 615     CLockObject handlerLock(m_handlerMutex);
 616     if (m_iHandlerUseCount > 0)
 617       return false;
 618
 619     MarkBusy();
 620
 621     if (m_vendor != m_handler->GetVendorId())
 622     {
 623       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 624       {
 625         CLibCEC::AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 626         delete m_handler;
 627
 628         switch (m_vendor)
 629         {
 630         case CEC_VENDOR_SAMSUNG:
 631           m_handler = new CANCommandHandler(this);
 632           break;
 633         case CEC_VENDOR_LG:
 634           m_handler = new CSLCommandHandler(this);
 635           break;
 636         case CEC_VENDOR_PANASONIC:
 637           m_handler = new CVLCommandHandler(this);
 638           break;
 639         default:
 640           m_handler = new CCECCommandHandler(this);
 641           break;
 642         }
 643
 644         m_handler->SetVendorId(m_vendor);
 645         bInitHandler = true;
 646       }
 647     }
 648   }
 649
 650   if (bInitHandler)
 651   {
 652     m_handler->InitHandler();
 653
 654     if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
 655       m_handler->ActivateSource();
 656   }
 657
 658   MarkReady();
 659
 660   return true;
 661 }
 662
 663 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 664 {
 665   bool bVendorChanged(false);
 666
 667   {
 668     CLockObject lock(m_mutex);
 669     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 670     m_vendor = (cec_vendor_id)iVendorId;
 671   }
 672
 673   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 674
 675   return bVendorChanged;
 676 }
 677 //@}
 678
 679 /** @name Transmit methods */
 680 //@{
 681 bool CCECBusDevice::TransmitActiveSource(void)
 682 {
 683   bool bSendActiveSource(false);
 684
 685   {
 686     CLockObject lock(m_mutex);
 687     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 688       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 689     else if (m_bActiveSource)
 690     {
 691       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 692       bSendActiveSource = true;
 693     }
 694     else
 695       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 696   }
 697
 698   if (bSendActiveSource)
 699   {
 700     MarkBusy();
 701     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 702     MarkReady();
 703     return true;
 704   }
 705
 706   return false;
 707 }
 708
 709 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 710 {
 711   cec_version version;
 712   {
 713     CLockObject lock(m_mutex);
 714     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 715     version = m_cecVersion;
 716   }
 717
 718   MarkBusy();
 719   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 720   MarkReady();
 721   return bReturn;
 722 }
 723
 724 bool CCECBusDevice::TransmitImageViewOn(void)
 725 {
 726   {
 727     CLockObject lock(m_mutex);
 728     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 729     {
 730       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 731       return false;
 732     }
 733   }
 734
 735   MarkBusy();
 736   m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 737   MarkReady();
 738   return true;
 739 }
 740
 741 bool CCECBusDevice::TransmitInactiveSource(void)
 742 {
 743   uint16_t iPhysicalAddress;
 744   {
 745     CLockObject lock(m_mutex);
 746     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 747     iPhysicalAddress = m_iPhysicalAddress;
 748   }
 749
 750   MarkBusy();
 751   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 752   MarkReady();
 753   return bReturn;
 754 }
 755
 756 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 757 {
 758   cec_menu_state menuState;
 759   {
 760     CLockObject lock(m_mutex);
 761     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 762     menuState = m_menuState;
 763   }
 764
 765   MarkBusy();
 766   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 767   MarkReady();
 768   return bReturn;
 769 }
 770
 771 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 772 {
 773   CStdString strDeviceName;
 774   {
 775     CLockObject lock(m_mutex);
 776     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 777     strDeviceName = m_strDeviceName;
 778   }
 779
 780   MarkBusy();
 781   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 782   MarkReady();
 783   return bReturn;
 784 }
 785
 786 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 787 {
 788   bool bReturn(false);
 789   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 790   {
 791     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 792     MarkBusy();
 793     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 794     MarkReady();
 795   }
 796   return bReturn;
 797 }
 798
 799 bool CCECBusDevice::TransmitPhysicalAddress(void)
 800 {
 801   uint16_t iPhysicalAddress;
 802   cec_device_type type;
 803   {
 804     CLockObject lock(m_mutex);
 805     if (m_iPhysicalAddress == 0xffff)
 806       return false;
 807
 808     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 809     iPhysicalAddress = m_iPhysicalAddress;
 810     type = m_type;
 811   }
 812
 813   MarkBusy();
 814   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 815   MarkReady();
 816   return bReturn;
 817 }
 818
 819 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 820 {
 821   bool bReturn(false);
 822   if (dest == CECDEVICE_UNKNOWN)
 823     dest = m_iLogicalAddress;
 824
 825   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 826   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 827     return bReturn;
 828
 829   MarkBusy();
 830   CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 831   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 832   CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 833
 834   CLockObject lock(m_mutex);
 835   if (bReturn)
 836   {
 837     m_iLastActive = GetTimeMs();
 838     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 839   }
 840   else
 841     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 842
 843   MarkReady();
 844   return bReturn;
 845 }
 846
 847 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 848 {
 849   cec_power_status state;
 850   {
 851     CLockObject lock(m_mutex);
 852     if (!IsActiveSource())
 853       SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 854
 855     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 856     state = m_powerStatus;
 857   }
 858
 859   MarkBusy();
 860   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 861   MarkReady();
 862   return bReturn;
 863 }
 864
 865 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 866 {
 867   bool bReturn(false);
 868   uint64_t iVendorId;
 869   {
 870     CLockObject lock(m_mutex);
 871     iVendorId = (uint64_t)m_vendor;
 872   }
 873
 874   MarkBusy();
 875   if (iVendorId == CEC_VENDOR_UNKNOWN)
 876   {
 877     if (bSendAbort)
 878     {
 879       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 880       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 881       bReturn = true;
 882     }
 883   }
 884   else
 885   {
 886     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);
 887     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 888   }
 889   MarkReady();
 890   return bReturn;
 891 }
 892
 893 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 894 {
 895   MarkBusy();
 896   bool bReturn = m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 897   MarkReady();
 898   return bReturn;
 899 }
 900
 901 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 902 {
 903   MarkBusy();
 904   bool bReturn = m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 905   MarkReady();
 906   return bReturn;
 907 }
 908
 909 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 910 {
 911   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 912 }
 913
 914 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 915 {
 916   m_unsupportedFeatures.insert(opcode);
 917 }
 918
 919 bool CCECBusDevice::ActivateSource(void)
 920 {
 921   MarkBusy();
 922   bool bReturn = m_handler->ActivateSource();
 923   MarkReady();
 924   return bReturn;
 925 }
 926
 927 void CCECBusDevice::HandlePoll(cec_logical_address iDestination)
 928 {
 929   CLockObject lock(m_mutex);
 930   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(m_iLogicalAddress), m_iLogicalAddress, ToString(iDestination), iDestination);
 931   m_bAwaitingReceiveFailed = true;
 932 }
 933
 934 bool CCECBusDevice::HandleReceiveFailed(void)
 935 {
 936   CLockObject lock(m_mutex);
 937   bool bReturn = m_bAwaitingReceiveFailed;
 938   m_bAwaitingReceiveFailed = false;
 939   return bReturn;
 940 }
 941
 942 //@}