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