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