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_iLastPowerStateUpdate(0),
  58   m_cecVersion(CEC_VERSION_UNKNOWN),
  59   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
  60   m_handlerMutex(false)
  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 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  78 {
  79   m_processor->AddLog(level, strMessage);
  80 }
  81
  82 bool CCECBusDevice::HandleCommand(const cec_command &command)
  83 {
  84   bool bHandled(false);
  85
  86   /* update "last active" */
  87   {
  88     CLockObject lock(&m_mutex);
  89     m_iLastActive = GetTimeMs();
  90
  91     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  92       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  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       {
 106         CStdString strLog;
 107         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 108         AddLog(CEC_LOG_DEBUG, strLog);
 109       }
 110       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 111     }
 112   }
 113
 114   return bHandled;
 115 }
 116
 117 bool CCECBusDevice::PowerOn(void)
 118 {
 119   CStdString strLog;
 120   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 121   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 122
 123   if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
 124   {
 125     {
 126       CLockObject lock(&m_mutex);
 127 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 128       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 129     }
 130 //    cec_power_status status = GetPowerStatus();
 131 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 132 //    {
 133 //      /* sending the normal power on command appears to have failed */
 134 //      CStdString strLog;
 135 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 136 //      AddLog(CEC_LOG_DEBUG, strLog.c_str());
 137 //
 138 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 139 //      return TransmitKeyRelease();
 140 //    }
 141     return true;
 142   }
 143
 144   return false;
 145 }
 146
 147 bool CCECBusDevice::Standby(void)
 148 {
 149   CStdString strLog;
 150   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 151   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 152
 153   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 154 }
 155
 156 /** @name Getters */
 157 //@{
 158 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 159 {
 160   bool bRequestUpdate(false);
 161   {
 162     CLockObject lock(&m_mutex);
 163     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 164       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
 165   }
 166
 167   if (bRequestUpdate)
 168     RequestCecVersion();
 169
 170   CLockObject lock(&m_mutex);
 171   return m_cecVersion;
 172 }
 173
 174 bool CCECBusDevice::RequestCecVersion(void)
 175 {
 176   bool bReturn(false);
 177
 178   if (!MyLogicalAddressContains(m_iLogicalAddress))
 179   {
 180     m_handler->MarkBusy();
 181     CStdString strLog;
 182     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 183     AddLog(CEC_LOG_NOTICE, strLog);
 184
 185     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 186     m_handler->MarkReady();
 187   }
 188   return bReturn;
 189 }
 190
 191 const char* CCECBusDevice::GetLogicalAddressName(void) const
 192 {
 193   return ToString(m_iLogicalAddress);
 194 }
 195
 196 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 197 {
 198   bool bRequestUpdate(false);
 199   {
 200     CLockObject lock(&m_mutex);
 201     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 202         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 203   }
 204
 205   if (bRequestUpdate)
 206     RequestMenuLanguage();
 207
 208   CLockObject lock(&m_mutex);
 209   return m_menuLanguage;
 210 }
 211
 212 bool CCECBusDevice::RequestMenuLanguage(void)
 213 {
 214   bool bReturn(false);
 215
 216   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 217       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 218   {
 219     m_handler->MarkBusy();
 220     CStdString strLog;
 221     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 222     AddLog(CEC_LOG_NOTICE, strLog);
 223     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 224     m_handler->MarkReady();
 225   }
 226   return bReturn;
 227 }
 228
 229 cec_menu_state CCECBusDevice::GetMenuState(void)
 230 {
 231   CLockObject lock(&m_mutex);
 232   return m_menuState;
 233 }
 234
 235 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 236 {
 237   return m_processor->GetLogicalAddress();
 238 }
 239
 240 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 241 {
 242   return m_processor->GetPhysicalAddress();
 243 }
 244
 245 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 246 {
 247   bool bRequestUpdate(false);
 248   {
 249     CLockObject lock(&m_mutex);
 250     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 251         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 252         m_type != CEC_DEVICE_TYPE_TV);
 253   }
 254
 255   if (bRequestUpdate)
 256     RequestOSDName();
 257
 258   CLockObject lock(&m_mutex);
 259   return m_strDeviceName;
 260 }
 261
 262 bool CCECBusDevice::RequestOSDName(void)
 263 {
 264   bool bReturn(false);
 265
 266   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 267       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 268   {
 269     m_handler->MarkBusy();
 270     CStdString strLog;
 271     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 272     AddLog(CEC_LOG_NOTICE, strLog);
 273     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 274     m_handler->MarkReady();
 275   }
 276   return bReturn;
 277 }
 278
 279 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 280 {
 281   bool bRequestUpdate(false);
 282   {
 283     CLockObject lock(&m_mutex);
 284     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 285         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 286   }
 287
 288   if (bRequestUpdate && !RequestPhysicalAddress())
 289     AddLog(CEC_LOG_ERROR, "failed to request the physical address (1)");
 290
 291   CLockObject lock(&m_mutex);
 292   return m_iPhysicalAddress;
 293 }
 294
 295 bool CCECBusDevice::RequestPhysicalAddress(void)
 296 {
 297   bool bReturn(false);
 298
 299   if (!MyLogicalAddressContains(m_iLogicalAddress))
 300   {
 301     m_handler->MarkBusy();
 302     CStdString strLog;
 303     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 304     AddLog(CEC_LOG_NOTICE, strLog);
 305     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 306     m_handler->MarkReady();
 307   }
 308   return bReturn;
 309 }
 310
 311 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 312 {
 313   bool bRequestUpdate(false);
 314   {
 315     CLockObject lock(&m_mutex);
 316     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 317         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 318             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 319             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 320             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 321   }
 322
 323   if (bRequestUpdate)
 324     RequestPowerStatus();
 325
 326   CLockObject lock(&m_mutex);
 327   return m_powerStatus;
 328 }
 329
 330 bool CCECBusDevice::RequestPowerStatus(void)
 331 {
 332   bool bReturn(false);
 333
 334   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 335       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 336   {
 337     m_handler->MarkBusy();
 338     CStdString strLog;
 339     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 340     AddLog(CEC_LOG_NOTICE, strLog);
 341     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 342     m_handler->MarkReady();
 343   }
 344   return bReturn;
 345 }
 346
 347 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 348 {
 349   bool bRequestUpdate(false);
 350   {
 351     CLockObject lock(&m_mutex);
 352     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 353         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 354   }
 355
 356   if (bRequestUpdate)
 357     RequestVendorId();
 358
 359   CLockObject lock(&m_mutex);
 360   return m_vendor;
 361 }
 362
 363 bool CCECBusDevice::RequestVendorId(void)
 364 {
 365   bool bReturn(false);
 366
 367   if (!MyLogicalAddressContains(m_iLogicalAddress))
 368   {
 369     m_handler->MarkBusy();
 370     CStdString strLog;
 371     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 372     AddLog(CEC_LOG_NOTICE, strLog);
 373     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 374     m_handler->MarkReady();
 375
 376     ReplaceHandler(true);
 377   }
 378   return bReturn;
 379 }
 380
 381 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 382 {
 383   return ToString(GetVendorId(bUpdate));
 384 }
 385
 386 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 387 {
 388   return m_processor->HasLogicalAddress(address);
 389 }
 390
 391 bool CCECBusDevice::NeedsPoll(void)
 392 {
 393   bool bSendPoll(false);
 394   switch (m_iLogicalAddress)
 395   {
 396   case CECDEVICE_PLAYBACKDEVICE3:
 397     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 398       bSendPoll = true;
 399     break;
 400   case CECDEVICE_PLAYBACKDEVICE2:
 401     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 402       bSendPoll = true;
 403     break;
 404   case CECDEVICE_RECORDINGDEVICE3:
 405     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 406       bSendPoll = true;
 407     break;
 408   case CECDEVICE_RECORDINGDEVICE2:
 409     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 410       bSendPoll = true;
 411     break;
 412   case CECDEVICE_TUNER4:
 413     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 414       bSendPoll = true;
 415     break;
 416   case CECDEVICE_TUNER3:
 417     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 418       bSendPoll = true;
 419     break;
 420   case CECDEVICE_TUNER2:
 421     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 422       bSendPoll = true;
 423     break;
 424   case CECDEVICE_AUDIOSYSTEM:
 425   case CECDEVICE_PLAYBACKDEVICE1:
 426   case CECDEVICE_RECORDINGDEVICE1:
 427   case CECDEVICE_TUNER1:
 428   case CECDEVICE_TV:
 429     bSendPoll = true;
 430     break;
 431   default:
 432     break;
 433   }
 434
 435   return bSendPoll;
 436 }
 437
 438 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 439 {
 440   CLockObject lock(&m_mutex);
 441   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 442       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 443   {
 444     lock.Leave();
 445     bool bPollAcked(false);
 446     if (bForcePoll || NeedsPoll())
 447       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 448
 449     lock.Lock();
 450     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 451   }
 452
 453   return m_deviceStatus;
 454 }
 455
 456 //@}
 457
 458 /** @name Setters */
 459 //@{
 460 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 461 {
 462   m_cecVersion = newVersion;
 463
 464   CStdString strLog;
 465   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 466   AddLog(CEC_LOG_DEBUG, strLog);
 467 }
 468
 469 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 470 {
 471   CLockObject lock(&m_mutex);
 472   if (language.device == m_iLogicalAddress)
 473   {
 474     CStdString strLog;
 475     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 476     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 477     m_menuLanguage = language;
 478   }
 479 }
 480
 481 void CCECBusDevice::SetOSDName(CStdString strName)
 482 {
 483   CLockObject lock(&m_mutex);
 484   if (m_strDeviceName != strName)
 485   {
 486     CStdString strLog;
 487     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 488     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 489     m_strDeviceName = strName;
 490   }
 491 }
 492
 493 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 494 {
 495   CLockObject lock(&m_mutex);
 496   if (m_menuState != state)
 497   {
 498     CStdString strLog;
 499     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 500     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 501     m_menuState = state;
 502   }
 503 }
 504
 505 void CCECBusDevice::SetInactiveSource(void)
 506 {
 507   {
 508     CLockObject lock(&m_mutex);
 509     m_bActiveSource = false;
 510   }
 511
 512   if (MyLogicalAddressContains(m_iLogicalAddress))
 513     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 514 }
 515
 516 void CCECBusDevice::SetActiveSource(void)
 517 {
 518   CLockObject lock(&m_mutex);
 519   if (!m_bActiveSource)
 520   {
 521     CStdString strLog;
 522     strLog.Format("making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 523     AddLog(CEC_LOG_DEBUG, strLog);
 524   }
 525
 526   for (int iPtr = 0; iPtr < 16; iPtr++)
 527     if (iPtr != m_iLogicalAddress)
 528       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 529
 530   m_bActiveSource = true;
 531   m_powerStatus   = CEC_POWER_STATUS_ON;
 532 }
 533
 534 bool CCECBusDevice::TryLogicalAddress(void)
 535 {
 536   CStdString strLog;
 537   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 538   AddLog(CEC_LOG_DEBUG, strLog);
 539
 540   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 541   if (!TransmitPoll(m_iLogicalAddress))
 542   {
 543     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 544     AddLog(CEC_LOG_NOTICE, strLog);
 545     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 546
 547     return true;
 548   }
 549
 550   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 551   AddLog(CEC_LOG_DEBUG, strLog);
 552   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 553   return false;
 554 }
 555
 556 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 557 {
 558   CLockObject lock(&m_mutex);
 559   switch (newStatus)
 560   {
 561   case CEC_DEVICE_STATUS_UNKNOWN:
 562     m_iStreamPath      = 0;
 563     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 564     m_vendor           = CEC_VENDOR_UNKNOWN;
 565     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 566     m_bActiveSource    = false;
 567     m_iLastActive      = 0;
 568     m_cecVersion       = CEC_VERSION_UNKNOWN;
 569     m_deviceStatus     = newStatus;
 570     break;
 571   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 572     m_iStreamPath      = 0;
 573     m_powerStatus      = CEC_POWER_STATUS_ON;
 574     m_vendor           = CEC_VENDOR_UNKNOWN;
 575     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 576     m_bActiveSource    = false;
 577     m_iLastActive      = 0;
 578     m_cecVersion       = CEC_VERSION_1_3A;
 579     m_deviceStatus     = newStatus;
 580     break;
 581   case CEC_DEVICE_STATUS_PRESENT:
 582   case CEC_DEVICE_STATUS_NOT_PRESENT:
 583     m_deviceStatus = newStatus;
 584     break;
 585   }
 586 }
 587
 588 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 589 {
 590   CLockObject lock(&m_mutex);
 591   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 592   {
 593     CStdString strLog;
 594     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 595     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 596
 597     m_iPhysicalAddress = iNewAddress;
 598   }
 599 }
 600
 601 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 602 {
 603   CLockObject lock(&m_mutex);
 604   if (iNewAddress > 0)
 605   {
 606     CStdString strLog;
 607     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 608     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 609
 610     m_iStreamPath = iNewAddress;
 611
 612     if (iNewAddress > 0)
 613     {
 614       lock.Leave();
 615       SetPowerStatus(CEC_POWER_STATUS_ON);
 616     }
 617   }
 618 }
 619
 620 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 621 {
 622   CLockObject lock(&m_mutex);
 623   if (m_powerStatus != powerStatus)
 624   {
 625     m_iLastPowerStateUpdate = GetTimeMs();
 626     CStdString strLog;
 627     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 628     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 629     m_powerStatus = powerStatus;
 630   }
 631 }
 632
 633 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 634 {
 635   CLockObject lock(&m_mutex);
 636   CLockObject handlerLock(&m_handlerMutex);
 637
 638   if (m_vendor != m_handler->GetVendorId())
 639   {
 640     if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 641     {
 642       CStdString strLog;
 643       if (m_handler->InUse())
 644       {
 645         strLog.Format("handler for device '%s' (%x) is being used. not replacing the command handler", GetLogicalAddressName(), GetLogicalAddress());
 646         m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 647         return false;
 648       }
 649
 650       strLog.Format("replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 651       m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 652       delete m_handler;
 653
 654       switch (m_vendor)
 655       {
 656       case CEC_VENDOR_SAMSUNG:
 657         m_handler = new CANCommandHandler(this);
 658         break;
 659       case CEC_VENDOR_LG:
 660         m_handler = new CSLCommandHandler(this);
 661         break;
 662       case CEC_VENDOR_PANASONIC:
 663         m_handler = new CVLCommandHandler(this);
 664         break;
 665       default:
 666         m_handler = new CCECCommandHandler(this);
 667         break;
 668       }
 669
 670       m_handler->SetVendorId(m_vendor);
 671       m_handler->InitHandler();
 672
 673       if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
 674         m_handler->ActivateSource();
 675     }
 676   }
 677
 678   return true;
 679 }
 680
 681 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 682 {
 683   bool bVendorChanged(false);
 684
 685   {
 686     CLockObject lock(&m_mutex);
 687     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 688     m_vendor = (cec_vendor_id)iVendorId;
 689   }
 690
 691   CStdString strLog;
 692   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 693   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 694
 695   return bVendorChanged;
 696 }
 697 //@}
 698
 699 /** @name Transmit methods */
 700 //@{
 701 bool CCECBusDevice::TransmitActiveSource(void)
 702 {
 703   bool bSendActiveSource(false);
 704
 705   {
 706     CLockObject lock(&m_mutex);
 707     if (m_powerStatus != CEC_POWER_STATUS_ON)
 708     {
 709       CStdString strLog;
 710       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 711       AddLog(CEC_LOG_DEBUG, strLog);
 712     }
 713     else if (m_bActiveSource)
 714     {
 715       CStdString strLog;
 716       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 717       AddLog(CEC_LOG_NOTICE, strLog);
 718       bSendActiveSource = true;
 719     }
 720     else
 721     {
 722       CStdString strLog;
 723       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 724       AddLog(CEC_LOG_DEBUG, strLog);
 725     }
 726   }
 727
 728   if (bSendActiveSource)
 729   {
 730     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 731     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 732     return true;
 733   }
 734
 735   return false;
 736 }
 737
 738 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 739 {
 740   cec_version version;
 741   {
 742     CLockObject lock(&m_mutex);
 743     CStdString strLog;
 744     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 745     AddLog(CEC_LOG_NOTICE, strLog);
 746     version = m_cecVersion;
 747   }
 748
 749   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 750 }
 751
 752 bool CCECBusDevice::TransmitInactiveSource(void)
 753 {
 754   uint16_t iPhysicalAddress;
 755   {
 756     CLockObject lock(&m_mutex);
 757     CStdString strLog;
 758     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 759     AddLog(CEC_LOG_NOTICE, strLog);
 760     iPhysicalAddress = m_iPhysicalAddress;
 761   }
 762
 763   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 764 }
 765
 766 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 767 {
 768   cec_menu_state menuState;
 769   {
 770     CLockObject lock(&m_mutex);
 771     CStdString strLog;
 772     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 773     AddLog(CEC_LOG_NOTICE, strLog);
 774     menuState = m_menuState;
 775   }
 776
 777   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 778 }
 779
 780 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 781 {
 782   CStdString strDeviceName;
 783   {
 784     CLockObject lock(&m_mutex);
 785     CStdString strLog;
 786     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 787     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 788     strDeviceName = m_strDeviceName;
 789   }
 790
 791   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 792 }
 793
 794 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 795 {
 796   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 797   {
 798     CStdString strLog;
 799     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 800     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 801
 802     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 803   }
 804   return false;
 805 }
 806
 807 bool CCECBusDevice::TransmitPhysicalAddress(void)
 808 {
 809   uint16_t iPhysicalAddress;
 810   cec_device_type type;
 811   {
 812     CLockObject lock(&m_mutex);
 813     if (m_iPhysicalAddress == 0xffff)
 814       return false;
 815
 816     CStdString strLog;
 817     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 818     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 819
 820     iPhysicalAddress = m_iPhysicalAddress;
 821     type = m_type;
 822   }
 823
 824   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 825 }
 826
 827 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 828 {
 829   bool bReturn(false);
 830   if (dest == CECDEVICE_UNKNOWN)
 831     dest = m_iLogicalAddress;
 832
 833   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 834   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 835     return bReturn;
 836
 837   CStdString strLog;
 838   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 839   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 840   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 841   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 842
 843   CLockObject lock(&m_mutex);
 844   if (bReturn)
 845   {
 846     m_iLastActive = GetTimeMs();
 847     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 848   }
 849   else
 850     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 851
 852   return bReturn;
 853 }
 854
 855 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 856 {
 857   cec_power_status state;
 858   {
 859     CLockObject lock(&m_mutex);
 860     CStdString strLog;
 861     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 862     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 863     state = m_powerStatus;
 864   }
 865
 866   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 867 }
 868
 869 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 870 {
 871   uint64_t iVendorId;
 872   {
 873     CLockObject lock(&m_mutex);
 874     iVendorId = (uint64_t)m_vendor;
 875   }
 876
 877   if (iVendorId == CEC_VENDOR_UNKNOWN)
 878   {
 879     if (bSendAbort)
 880     {
 881       CStdString strLog;
 882       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 883       AddLog(CEC_LOG_NOTICE, strLog);
 884
 885       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 886     }
 887     return false;
 888   }
 889   else
 890   {
 891     CStdString strLog;
 892     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 893     AddLog(CEC_LOG_NOTICE, strLog);
 894
 895     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 896   }
 897 }
 898
 899 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 900 {
 901   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 902 }
 903
 904 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 905 {
 906   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 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   CLockObject lock(&m_mutex);
 922   return m_handler->ActivateSource();
 923 }
 924
 925 //@}