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 "env.h"
  34 #include "CECBusDevice.h"
  35
  36 #include "lib/CECProcessor.h"
  37 #include "lib/CECClient.h"
  38 #include "lib/implementations/ANCommandHandler.h"
  39 #include "lib/implementations/CECCommandHandler.h"
  40 #include "lib/implementations/SLCommandHandler.h"
  41 #include "lib/implementations/VLCommandHandler.h"
  42 #include "lib/LibCEC.h"
  43 #include "lib/CECTypeUtils.h"
  44 #include "lib/platform/util/timeutils.h"
  45 #include "lib/platform/util/util.h"
  46
  47 #include "CECAudioSystem.h"
  48 #include "CECPlaybackDevice.h"
  49 #include "CECRecordingDevice.h"
  50 #include "CECTuner.h"
  51 #include "CECTV.h"
  52
  53 using namespace std;
  54 using namespace CEC;
  55 using namespace PLATFORM;
  56
  57 #define LIB_CEC     m_processor->GetLib()
  58 #define ToString(p) CCECTypeUtils::ToString(p)
  59
  60 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  61   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  62   m_iPhysicalAddress      (iPhysicalAddress),
  63   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  64   m_iLogicalAddress       (iLogicalAddress),
  65   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  66   m_processor             (processor),
  67   m_vendor                (CEC_VENDOR_UNKNOWN),
  68   m_bReplaceHandler       (false),
  69   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  70   m_bActiveSource         (false),
  71   m_iLastActive           (0),
  72   m_iLastPowerStateUpdate (0),
  73   m_cecVersion            (CEC_VERSION_UNKNOWN),
  74   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  75   m_iHandlerUseCount      (0),
  76   m_bAwaitingReceiveFailed(false),
  77   m_bVendorIdRequested    (false),
  78   m_waitForResponse       (new CWaitForResponse)
  79 {
  80   m_handler = new CCECCommandHandler(this);
  81
  82   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  83     m_menuLanguage.language[iPtr] = '?';
  84   m_menuLanguage.language[3] = 0;
  85   m_menuLanguage.device = iLogicalAddress;
  86
  87   m_strDeviceName = ToString(m_iLogicalAddress);
  88 }
  89
  90 CCECBusDevice::~CCECBusDevice(void)
  91 {
  92   DELETE_AND_NULL(m_handler);
  93   DELETE_AND_NULL(m_waitForResponse);
  94 }
  95
  96 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  97 {
  98   bool bInitHandler(false);
  99   {
 100     CLockObject lock(m_mutex);
 101     CLockObject handlerLock(m_handlerMutex);
 102     if (m_iHandlerUseCount > 0)
 103       return false;
 104
 105     MarkBusy();
 106
 107     if (m_vendor != m_handler->GetVendorId())
 108     {
 109       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 110       {
 111         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 112
 113         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 114         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 115         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 116         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 117
 118         DELETE_AND_NULL(m_handler);
 119
 120         switch (m_vendor)
 121         {
 122         case CEC_VENDOR_SAMSUNG:
 123           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 124           break;
 125         case CEC_VENDOR_LG:
 126           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 127           break;
 128         case CEC_VENDOR_PANASONIC:
 129           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 130           break;
 131         default:
 132           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 133           break;
 134         }
 135
 136         m_handler->SetVendorId(m_vendor);
 137         bInitHandler = true;
 138       }
 139     }
 140   }
 141
 142   if (bInitHandler)
 143   {
 144     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 145     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 146     {
 147       m_handler->InitHandler();
 148
 149       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 150         m_handler->ActivateSource();
 151     }
 152   }
 153
 154   MarkReady();
 155
 156   return true;
 157 }
 158
 159 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 160 {
 161   ReplaceHandler(false);
 162   MarkBusy();
 163   return m_handler;
 164 }
 165
 166 bool CCECBusDevice::HandleCommand(const cec_command &command)
 167 {
 168   bool bHandled(false);
 169
 170   /* update "last active" */
 171   {
 172     CLockObject lock(m_mutex);
 173     m_iLastActive = GetTimeMs();
 174
 175     /* don't call GetStatus() here, just read the value with the mutex locked */
 176     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC && command.opcode_set == 1)
 177       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 178
 179     MarkBusy();
 180   }
 181
 182   /* handle the command */
 183   bHandled = m_handler->HandleCommand(command);
 184
 185   /* change status to present */
 186   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST)
 187   {
 188     CLockObject lock(m_mutex);
 189     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 190     {
 191       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 192         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 193       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 194     }
 195   }
 196
 197   MarkReady();
 198   return bHandled;
 199 }
 200
 201 const char* CCECBusDevice::GetLogicalAddressName(void) const
 202 {
 203   return ToString(m_iLogicalAddress);
 204 }
 205
 206 bool CCECBusDevice::IsPresent(void)
 207 {
 208   CLockObject lock(m_mutex);
 209   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 210 }
 211
 212 bool CCECBusDevice::IsHandledByLibCEC(void)
 213 {
 214   CLockObject lock(m_mutex);
 215   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 216 }
 217
 218 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 219 {
 220   // some commands should never be marked as unsupported
 221   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 222       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 223       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 224       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 225       opcode == CEC_OPCODE_ABORT ||
 226       opcode == CEC_OPCODE_FEATURE_ABORT ||
 227       opcode == CEC_OPCODE_NONE)
 228     return;
 229
 230   {
 231     CLockObject lock(m_mutex);
 232     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 233     {
 234       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 235       m_unsupportedFeatures.insert(opcode);
 236     }
 237   }
 238
 239   // signal threads that are waiting for a reponse
 240   MarkBusy();
 241   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 242   MarkReady();
 243 }
 244
 245 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 246 {
 247   CLockObject lock(m_mutex);
 248   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 249   if (bUnsupported)
 250     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 251   return bUnsupported;
 252 }
 253
 254 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 255 {
 256   MarkBusy();
 257   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 258   MarkReady();
 259   return bReturn;
 260 }
 261
 262 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 263 {
 264   MarkBusy();
 265   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 266   MarkReady();
 267   return bReturn;
 268 }
 269
 270 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 271 {
 272   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 273   bool bRequestUpdate(false);
 274   {
 275     CLockObject lock(m_mutex);
 276     bRequestUpdate = bIsPresent &&
 277         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 278   }
 279
 280   if (bRequestUpdate)
 281   {
 282     CheckVendorIdRequested(initiator);
 283     RequestCecVersion(initiator);
 284   }
 285
 286   CLockObject lock(m_mutex);
 287   return m_cecVersion;
 288 }
 289
 290 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 291 {
 292   CLockObject lock(m_mutex);
 293   if (m_cecVersion != newVersion)
 294     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 295   m_cecVersion = newVersion;
 296 }
 297
 298 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 299 {
 300   bool bReturn(false);
 301
 302   if (!IsHandledByLibCEC() &&
 303       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 304   {
 305     MarkBusy();
 306     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 307     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 308     MarkReady();
 309   }
 310   return bReturn;
 311 }
 312
 313 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 314 {
 315   cec_version version;
 316   {
 317     CLockObject lock(m_mutex);
 318     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 319     version = m_cecVersion;
 320   }
 321
 322   MarkBusy();
 323   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 324   MarkReady();
 325   return bReturn;
 326 }
 327
 328 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 329 {
 330   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 331   bool bRequestUpdate(false);
 332   {
 333     CLockObject lock(m_mutex);
 334     bRequestUpdate = (bIsPresent &&
 335         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 336   }
 337
 338   if (bRequestUpdate)
 339   {
 340     CheckVendorIdRequested(initiator);
 341     RequestMenuLanguage(initiator);
 342   }
 343
 344   CLockObject lock(m_mutex);
 345   return m_menuLanguage;
 346 }
 347
 348 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 349 {
 350   if (!strLanguage)
 351     return;
 352
 353   CLockObject lock(m_mutex);
 354   if (strcmp(strLanguage, m_menuLanguage.language))
 355   {
 356     memcpy(m_menuLanguage.language, strLanguage, 3);
 357     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 358   }
 359 }
 360
 361 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 362 {
 363   if (language.device == m_iLogicalAddress)
 364     SetMenuLanguage(language.language);
 365 }
 366
 367 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 368 {
 369   bool bReturn(false);
 370
 371   if (!IsHandledByLibCEC() &&
 372       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 373   {
 374     MarkBusy();
 375     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 376     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 377     MarkReady();
 378   }
 379   return bReturn;
 380 }
 381
 382 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 383 {
 384   bool bReturn(false);
 385   cec_menu_language language;
 386   {
 387     CLockObject lock(m_mutex);
 388     language = m_menuLanguage;
 389   }
 390
 391   char lang[3];
 392   {
 393     CLockObject lock(m_mutex);
 394     lang[0] = language.language[0];
 395     lang[1] = language.language[1];
 396     lang[2] = language.language[2];
 397   }
 398
 399   MarkBusy();
 400   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 401   {
 402     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): Menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 403     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 404     bReturn = true;
 405   }
 406   else
 407   {
 408     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): Menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 409     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 410   }
 411   MarkReady();
 412   return bReturn;
 413 }
 414
 415 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 416 {
 417   bool bReturn(false);
 418   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 419   {
 420     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 421     MarkBusy();
 422     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 423     MarkReady();
 424   }
 425   return bReturn;
 426 }
 427
 428 CStdString CCECBusDevice::GetCurrentOSDName(void)
 429 {
 430   CLockObject lock(m_mutex);
 431   return m_strDeviceName;
 432 }
 433
 434 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 435 {
 436   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 437   bool bRequestUpdate(false);
 438   {
 439     CLockObject lock(m_mutex);
 440     bRequestUpdate = bIsPresent &&
 441         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 442         m_type != CEC_DEVICE_TYPE_TV;
 443   }
 444
 445   if (bRequestUpdate)
 446   {
 447     CheckVendorIdRequested(initiator);
 448     RequestOSDName(initiator);
 449   }
 450
 451   CLockObject lock(m_mutex);
 452   return m_strDeviceName;
 453 }
 454
 455 void CCECBusDevice::SetOSDName(CStdString strName)
 456 {
 457   CLockObject lock(m_mutex);
 458   if (m_strDeviceName != strName)
 459   {
 460     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 461     m_strDeviceName = strName;
 462   }
 463 }
 464
 465 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 466 {
 467   bool bReturn(false);
 468
 469   if (!IsHandledByLibCEC() &&
 470       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 471   {
 472     MarkBusy();
 473     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 474     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 475     MarkReady();
 476   }
 477   return bReturn;
 478 }
 479
 480 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 481 {
 482   CStdString strDeviceName;
 483   {
 484     CLockObject lock(m_mutex);
 485     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 486     strDeviceName = m_strDeviceName;
 487   }
 488
 489   MarkBusy();
 490   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 491   MarkReady();
 492   return bReturn;
 493 }
 494
 495 bool CCECBusDevice::HasValidPhysicalAddress(void)
 496 {
 497   CLockObject lock(m_mutex);
 498   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 499 }
 500
 501 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 502 {
 503   CLockObject lock(m_mutex);
 504   return m_iPhysicalAddress;
 505 }
 506
 507 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 508 {
 509   if (!bSuppressUpdate)
 510   {
 511     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 512     bool bRequestUpdate(false);
 513     {
 514       CLockObject lock(m_mutex);
 515       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 516     }
 517
 518     if (bRequestUpdate)
 519     {
 520       CheckVendorIdRequested(initiator);
 521       if (!RequestPhysicalAddress(initiator))
 522         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 523     }
 524   }
 525
 526   CLockObject lock(m_mutex);
 527   return m_iPhysicalAddress;
 528 }
 529
 530 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 531 {
 532   CLockObject lock(m_mutex);
 533   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 534   {
 535     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 536     m_iPhysicalAddress = iNewAddress;
 537   }
 538   return true;
 539 }
 540
 541 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 542 {
 543   bool bReturn(false);
 544
 545   if (!IsHandledByLibCEC())
 546   {
 547     MarkBusy();
 548     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 549     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 550     MarkReady();
 551   }
 552   return bReturn;
 553 }
 554
 555 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 556 {
 557   uint16_t iPhysicalAddress;
 558   cec_device_type type;
 559   {
 560     CLockObject lock(m_mutex);
 561     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 562       return false;
 563
 564     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 565     iPhysicalAddress = m_iPhysicalAddress;
 566     type = m_type;
 567   }
 568
 569   MarkBusy();
 570   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 571   MarkReady();
 572   return bReturn;
 573 }
 574
 575 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 576 {
 577   CLockObject lock(m_mutex);
 578   return m_powerStatus;
 579 }
 580
 581 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 582 {
 583   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 584   bool bRequestUpdate(false);
 585   {
 586     CLockObject lock(m_mutex);
 587     bRequestUpdate = (bIsPresent &&
 588         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 589             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 590             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 591             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 592   }
 593
 594   if (bRequestUpdate)
 595   {
 596     CheckVendorIdRequested(initiator);
 597     RequestPowerStatus(initiator);
 598   }
 599
 600   CLockObject lock(m_mutex);
 601   return m_powerStatus;
 602 }
 603
 604 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 605 {
 606   CLockObject lock(m_mutex);
 607   if (m_powerStatus != powerStatus)
 608   {
 609     m_iLastPowerStateUpdate = GetTimeMs();
 610     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 611     m_powerStatus = powerStatus;
 612   }
 613 }
 614
 615 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 616 {
 617   bool bReturn(false);
 618
 619   if (!IsHandledByLibCEC() &&
 620       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 621   {
 622     MarkBusy();
 623     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 624     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 625     MarkReady();
 626   }
 627   return bReturn;
 628 }
 629
 630 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 631 {
 632   cec_power_status state;
 633   {
 634     CLockObject lock(m_mutex);
 635     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 636     state = m_powerStatus;
 637   }
 638
 639   MarkBusy();
 640   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 641   MarkReady();
 642   return bReturn;
 643 }
 644
 645 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 646 {
 647   CLockObject lock(m_mutex);
 648   return m_vendor;
 649 }
 650
 651 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 652 {
 653   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 654   bool bRequestUpdate(false);
 655   {
 656     CLockObject lock(m_mutex);
 657     bRequestUpdate = (bIsPresent &&
 658         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 659   }
 660
 661   if (bRequestUpdate)
 662     RequestVendorId(initiator);
 663
 664   CLockObject lock(m_mutex);
 665   return m_vendor;
 666 }
 667
 668 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 669 {
 670   return ToString(GetVendorId(initiator, bUpdate));
 671 }
 672
 673 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 674 {
 675   bool bVendorChanged(false);
 676
 677   {
 678     CLockObject lock(m_mutex);
 679     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 680     m_vendor = (cec_vendor_id)iVendorId;
 681   }
 682
 683   if (bVendorChanged)
 684     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 685
 686   return bVendorChanged;
 687 }
 688
 689 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 690 {
 691   bool bReturn(false);
 692
 693   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 694   {
 695     MarkBusy();
 696     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 697     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 698     MarkReady();
 699
 700     if (bWaitForResponse)
 701       ReplaceHandler(true);
 702   }
 703   return bReturn;
 704 }
 705
 706 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 707 {
 708   bool bReturn(false);
 709   uint64_t iVendorId;
 710   {
 711     CLockObject lock(m_mutex);
 712     iVendorId = (uint64_t)m_vendor;
 713   }
 714
 715   MarkBusy();
 716   if (iVendorId == CEC_VENDOR_UNKNOWN)
 717   {
 718     if (bSendAbort)
 719     {
 720       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 721       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 722       bReturn = true;
 723     }
 724   }
 725   else
 726   {
 727     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString((cec_vendor_id)iVendorId), iVendorId);
 728     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 729   }
 730   MarkReady();
 731   return bReturn;
 732 }
 733
 734 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 735 {
 736   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 737   bool bNeedsPoll(false);
 738
 739   {
 740     CLockObject lock(m_mutex);
 741     status = m_deviceStatus;
 742     bNeedsPoll = !bSuppressPoll &&
 743         (bForcePoll || m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN);
 744   }
 745
 746   if (bNeedsPoll)
 747   {
 748     bool bPollAcked(false);
 749     if (bNeedsPoll && NeedsPoll())
 750       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 751
 752     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 753     SetDeviceStatus(status);
 754   }
 755
 756   return status;
 757 }
 758
 759 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 760 {
 761   {
 762     CLockObject lock(m_mutex);
 763     switch (newStatus)
 764     {
 765     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 766       if (m_deviceStatus != newStatus)
 767         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 768       SetPowerStatus   (CEC_POWER_STATUS_ON);
 769       SetVendorId      (CEC_VENDOR_UNKNOWN);
 770       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 771       SetCecVersion    (libCECSpecVersion);
 772       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 773       MarkAsInactiveSource();
 774       m_iLastActive   = 0;
 775       m_deviceStatus  = newStatus;
 776       break;
 777     case CEC_DEVICE_STATUS_PRESENT:
 778       if (m_deviceStatus != newStatus)
 779         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 780       m_deviceStatus = newStatus;
 781       break;
 782     case CEC_DEVICE_STATUS_NOT_PRESENT:
 783       if (m_deviceStatus != newStatus)
 784       {
 785         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 786         ResetDeviceStatus();
 787         m_deviceStatus = newStatus;
 788       }
 789       break;
 790     default:
 791       ResetDeviceStatus();
 792       break;
 793     }
 794   }
 795 }
 796
 797 void CCECBusDevice::ResetDeviceStatus(void)
 798 {
 799   CLockObject lock(m_mutex);
 800   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 801   SetVendorId      (CEC_VENDOR_UNKNOWN);
 802   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 803   SetCecVersion    (CEC_VERSION_UNKNOWN);
 804   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 805   SetOSDName       (ToString(m_iLogicalAddress));
 806   MarkAsInactiveSource();
 807
 808   m_iLastActive = 0;
 809   m_bVendorIdRequested = false;
 810   m_unsupportedFeatures.clear();
 811   m_waitForResponse->Clear();
 812
 813   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 814     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 815   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 816 }
 817
 818 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bIsReply)
 819 {
 820   bool bReturn(false);
 821   cec_logical_address destination(dest);
 822   if (destination == CECDEVICE_UNKNOWN)
 823     destination = m_iLogicalAddress;
 824
 825   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 826   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 827     return bReturn;
 828
 829   MarkBusy();
 830   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 831   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, bIsReply);
 832   LIB_CEC->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 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 848 {
 849   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 850   {
 851     CCECBusDevice *device = m_processor->GetDevice(destination);
 852     if (device)
 853       device->HandlePollFrom(m_iLogicalAddress);
 854   }
 855 }
 856
 857 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 858 {
 859   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 860   m_bAwaitingReceiveFailed = true;
 861 }
 862
 863 bool CCECBusDevice::HandleReceiveFailed(void)
 864 {
 865   bool bReturn = m_bAwaitingReceiveFailed;
 866   m_bAwaitingReceiveFailed = false;
 867   return bReturn;
 868 }
 869
 870 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 871 {
 872   CLockObject lock(m_mutex);
 873   return m_menuState;
 874 }
 875
 876 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 877 {
 878   CLockObject lock(m_mutex);
 879   if (m_menuState != state)
 880   {
 881     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 882     m_menuState = state;
 883   }
 884 }
 885
 886 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 887 {
 888   cec_menu_state menuState;
 889   {
 890     CLockObject lock(m_mutex);
 891     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 892     menuState = m_menuState;
 893   }
 894
 895   MarkBusy();
 896   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 897   MarkReady();
 898   return bReturn;
 899 }
 900
 901 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 902 {
 903   MarkAsActiveSource();
 904   MarkBusy();
 905   bool bReturn(true);
 906   if (iDelay == 0)
 907   {
 908     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 909     bReturn = m_handler->ActivateSource();
 910   }
 911   else
 912   {
 913     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 914     m_handler->ScheduleActivateSource(iDelay);
 915   }
 916   MarkReady();
 917   return bReturn;
 918 }
 919
 920 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 921 {
 922   bool bReturn(false);
 923
 924   if (IsHandledByLibCEC())
 925   {
 926     MarkBusy();
 927     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< requesting active source");
 928
 929     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 930     MarkReady();
 931   }
 932   return bReturn;
 933 }
 934
 935 void CCECBusDevice::MarkAsActiveSource(void)
 936 {
 937   bool bWasActivated(false);
 938
 939   // set the power status to powered on
 940   SetPowerStatus(CEC_POWER_STATUS_ON);
 941
 942   // mark this device as active source
 943   {
 944     CLockObject lock(m_mutex);
 945     if (!m_bActiveSource)
 946     {
 947       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 948       bWasActivated = true;
 949     }
 950     else
 951       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 952
 953     m_bActiveSource = true;
 954   }
 955
 956   // mark other devices as inactive sources
 957   CECDEVICEVEC devices;
 958   m_processor->GetDevices()->Get(devices);
 959   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 960     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 961       (*it)->MarkAsInactiveSource();
 962
 963   if (bWasActivated)
 964   {
 965     CCECClient *client = GetClient();
 966     if (client)
 967       client->SourceActivated(m_iLogicalAddress);
 968   }
 969 }
 970
 971 void CCECBusDevice::MarkAsInactiveSource(void)
 972 {
 973   bool bWasDeactivated(false);
 974   {
 975     CLockObject lock(m_mutex);
 976     if (m_bActiveSource)
 977     {
 978       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 979       bWasDeactivated = true;
 980     }
 981     m_bActiveSource = false;
 982   }
 983
 984   if (bWasDeactivated)
 985   {
 986     CCECClient *client = GetClient();
 987     if (client)
 988       client->SourceDeactivated(m_iLogicalAddress);
 989   }
 990 }
 991
 992 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
 993 {
 994   bool bSendActiveSource(false);
 995   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
 996
 997   {
 998     CLockObject lock(m_mutex);
 999     if (!HasValidPhysicalAddress())
1000     {
1001       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1002       return false;
1003     }
1004
1005     iPhysicalAddress = m_iPhysicalAddress;
1006
1007     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1008       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1009     else if (m_bActiveSource)
1010     {
1011       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1012       bSendActiveSource = true;
1013     }
1014     else
1015       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1016   }
1017
1018   bool bActiveSourceSent(false);
1019   if (bSendActiveSource)
1020   {
1021     MarkBusy();
1022     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1023     MarkReady();
1024   }
1025
1026   return bActiveSourceSent;
1027 }
1028
1029 bool CCECBusDevice::TransmitImageViewOn(void)
1030 {
1031   {
1032     CLockObject lock(m_mutex);
1033     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1034     {
1035       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1036       return false;
1037     }
1038   }
1039
1040   bool bImageViewOnSent(false);
1041   MarkBusy();
1042   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1043   MarkReady();
1044   return bImageViewOnSent;
1045 }
1046
1047 bool CCECBusDevice::TransmitInactiveSource(void)
1048 {
1049   uint16_t iPhysicalAddress;
1050   {
1051     CLockObject lock(m_mutex);
1052     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1053     iPhysicalAddress = m_iPhysicalAddress;
1054   }
1055
1056   MarkBusy();
1057   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1058   MarkReady();
1059   return bReturn;
1060 }
1061
1062 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1063 {
1064   MarkBusy();
1065   bool bReturn = m_handler->ActivateSource(true);
1066   MarkReady();
1067   return bReturn;
1068 }
1069
1070 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1071 {
1072   CLockObject lock(m_mutex);
1073   if (iNewAddress != m_iStreamPath)
1074   {
1075     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1076     m_iStreamPath = iNewAddress;
1077   }
1078
1079   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1080     return;
1081
1082   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1083   if (device)
1084   {
1085     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1086     device->MarkAsActiveSource();
1087   }
1088   else
1089   {
1090     // try to find the device with the old address, and mark it as inactive when found
1091     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1092     if (device)
1093       device->MarkAsInactiveSource();
1094   }
1095 }
1096
1097 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1098 {
1099   bool bReturn(false);
1100   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1101
1102   MarkBusy();
1103   cec_power_status currentStatus = GetPowerStatus(initiator, false);
1104   if (currentStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1105     currentStatus != CEC_POWER_STATUS_ON)
1106   {
1107     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1108     if (m_handler->PowerOn(initiator, m_iLogicalAddress))
1109     {
1110       SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
1111       bReturn = true;
1112     }
1113   }
1114   else
1115   {
1116     LIB_CEC->AddLog(CEC_LOG_NOTICE, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1117   }
1118
1119   MarkReady();
1120   return bReturn;
1121 }
1122
1123 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1124 {
1125   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1126
1127   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1128   MarkBusy();
1129   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1130   MarkReady();
1131   return bReturn;
1132 }
1133
1134 bool CCECBusDevice::NeedsPoll(void)
1135 {
1136   bool bSendPoll(false);
1137   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1138   switch (m_iLogicalAddress)
1139   {
1140   case CECDEVICE_PLAYBACKDEVICE3:
1141     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1142     break;
1143   case CECDEVICE_PLAYBACKDEVICE2:
1144     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1145     break;
1146   case CECDEVICE_RECORDINGDEVICE3:
1147     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1148     break;
1149   case CECDEVICE_RECORDINGDEVICE2:
1150     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1151     break;
1152   case CECDEVICE_TUNER4:
1153     pollAddress = CECDEVICE_TUNER3;
1154     break;
1155   case CECDEVICE_TUNER3:
1156     pollAddress = CECDEVICE_TUNER2;
1157     break;
1158   case CECDEVICE_TUNER2:
1159     pollAddress = CECDEVICE_TUNER1;
1160     break;
1161   case CECDEVICE_AUDIOSYSTEM:
1162   case CECDEVICE_PLAYBACKDEVICE1:
1163   case CECDEVICE_RECORDINGDEVICE1:
1164   case CECDEVICE_TUNER1:
1165   case CECDEVICE_TV:
1166     bSendPoll = true;
1167     break;
1168   default:
1169     break;
1170   }
1171
1172   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1173   {
1174     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1175     if (device)
1176     {
1177       cec_bus_device_status status = device->GetStatus();
1178       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1179     }
1180     else
1181     {
1182       bSendPoll = true;
1183     }
1184   }
1185
1186   return bSendPoll;
1187 }
1188
1189 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1190 {
1191   bool bRequestVendorId(false);
1192   {
1193     CLockObject lock(m_mutex);
1194     bRequestVendorId = !m_bVendorIdRequested;
1195     m_bVendorIdRequested = true;
1196   }
1197
1198   if (bRequestVendorId)
1199   {
1200     ReplaceHandler(false);
1201     GetVendorId(initiator);
1202   }
1203 }
1204 //@}
1205
1206 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1207 {
1208   return AsAudioSystem(this);
1209 }
1210
1211 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1212 {
1213   return AsPlaybackDevice(this);
1214 }
1215
1216 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1217 {
1218   return AsRecordingDevice(this);
1219 }
1220
1221 CCECTuner *CCECBusDevice::AsTuner(void)
1222 {
1223   return AsTuner(this);
1224 }
1225
1226 CCECTV *CCECBusDevice::AsTV(void)
1227 {
1228   return AsTV(this);
1229 }
1230
1231 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1232 {
1233   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1234     return static_cast<CCECAudioSystem *>(device);
1235   return NULL;
1236 }
1237
1238 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1239 {
1240   if (device &&
1241       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1242        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1243     return static_cast<CCECPlaybackDevice *>(device);
1244   return NULL;
1245 }
1246
1247 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1248 {
1249   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1250     return static_cast<CCECRecordingDevice *>(device);
1251   return NULL;
1252 }
1253
1254 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1255 {
1256   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1257     return static_cast<CCECTuner *>(device);
1258   return NULL;
1259 }
1260
1261 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1262 {
1263   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1264     return static_cast<CCECTV *>(device);
1265   return NULL;
1266 }
1267
1268 void CCECBusDevice::MarkBusy(void)
1269 {
1270   CLockObject handlerLock(m_handlerMutex);
1271   ++m_iHandlerUseCount;
1272 }
1273
1274 void CCECBusDevice::MarkReady(void)
1275 {
1276   CLockObject handlerLock(m_handlerMutex);
1277   if (m_iHandlerUseCount > 0)
1278     --m_iHandlerUseCount;
1279 }
1280
1281 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1282 {
1283   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1284
1285   if (!TransmitPoll(m_iLogicalAddress, false))
1286   {
1287     LIB_CEC->AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
1288     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1289
1290     return true;
1291   }
1292
1293   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1294   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1295   return false;
1296 }
1297
1298 CCECClient *CCECBusDevice::GetClient(void)
1299 {
1300   return m_processor->GetClient(m_iLogicalAddress);
1301 }
1302
1303 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1304 {
1305   m_waitForResponse->Received(opcode);
1306 }
1307
1308 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1309 {
1310   return m_waitForResponse->Wait(opcode);
1311 }