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/implementations/PHCommandHandler.h"
  43 #include "lib/LibCEC.h"
  44 #include "lib/CECTypeUtils.h"
  45 #include "lib/platform/util/timeutils.h"
  46 #include "lib/platform/util/util.h"
  47
  48 #include "CECAudioSystem.h"
  49 #include "CECPlaybackDevice.h"
  50 #include "CECRecordingDevice.h"
  51 #include "CECTuner.h"
  52 #include "CECTV.h"
  53
  54 using namespace std;
  55 using namespace CEC;
  56 using namespace PLATFORM;
  57
  58 #define LIB_CEC     m_processor->GetLib()
  59 #define ToString(p) CCECTypeUtils::ToString(p)
  60
  61 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  62   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  63   m_iPhysicalAddress      (iPhysicalAddress),
  64   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  65   m_iLogicalAddress       (iLogicalAddress),
  66   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  67   m_processor             (processor),
  68   m_vendor                (CEC_VENDOR_UNKNOWN),
  69   m_bReplaceHandler       (false),
  70   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  71   m_bActiveSource         (false),
  72   m_iLastActive           (0),
  73   m_iLastPowerStateUpdate (0),
  74   m_cecVersion            (CEC_VERSION_UNKNOWN),
  75   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  76   m_iHandlerUseCount      (0),
  77   m_bAwaitingReceiveFailed(false),
  78   m_bVendorIdRequested    (false),
  79   m_waitForResponse       (new CWaitForResponse),
  80   m_bImageViewOnSent      (false)
  81 {
  82   m_handler = new CCECCommandHandler(this);
  83
  84   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  85     m_menuLanguage.language[iPtr] = '?';
  86   m_menuLanguage.language[3] = 0;
  87   m_menuLanguage.device = iLogicalAddress;
  88
  89   m_strDeviceName = ToString(m_iLogicalAddress);
  90 }
  91
  92 CCECBusDevice::~CCECBusDevice(void)
  93 {
  94   DELETE_AND_NULL(m_handler);
  95   DELETE_AND_NULL(m_waitForResponse);
  96 }
  97
  98 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  99 {
 100   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 101     return false;
 102
 103   bool bInitHandler(false);
 104   {
 105     CLockObject lock(m_mutex);
 106     CLockObject handlerLock(m_handlerMutex);
 107     if (m_iHandlerUseCount > 0)
 108       return false;
 109
 110     MarkBusy();
 111
 112     if (m_vendor != m_handler->GetVendorId())
 113     {
 114       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 115       {
 116         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 117
 118         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 119         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 120         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 121         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 122
 123         DELETE_AND_NULL(m_handler);
 124
 125         switch (m_vendor)
 126         {
 127         case CEC_VENDOR_SAMSUNG:
 128           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 129           break;
 130         case CEC_VENDOR_LG:
 131           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 132           break;
 133         case CEC_VENDOR_PANASONIC:
 134           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 135           break;
 136         case CEC_VENDOR_PHILIPS:
 137           m_handler = new CPHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 138           break;
 139         default:
 140           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 141           break;
 142         }
 143
 144         m_handler->SetVendorId(m_vendor);
 145         bInitHandler = true;
 146       }
 147     }
 148   }
 149
 150   if (bInitHandler)
 151   {
 152     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 153     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 154     {
 155       m_handler->InitHandler();
 156
 157       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 158         m_handler->ActivateSource();
 159     }
 160   }
 161
 162   MarkReady();
 163
 164   return true;
 165 }
 166
 167 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 168 {
 169   ReplaceHandler(false);
 170   MarkBusy();
 171   return m_handler;
 172 }
 173
 174 bool CCECBusDevice::HandleCommand(const cec_command &command)
 175 {
 176   bool bHandled(false);
 177
 178   /* update "last active" */
 179   {
 180     CLockObject lock(m_mutex);
 181     m_iLastActive = GetTimeMs();
 182     MarkBusy();
 183   }
 184
 185   /* handle the command */
 186   bHandled = m_handler->HandleCommand(command);
 187
 188   /* change status to present */
 189   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST)
 190   {
 191     CLockObject lock(m_mutex);
 192     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 193     {
 194       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 195         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 196       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 197     }
 198   }
 199
 200   MarkReady();
 201   return bHandled;
 202 }
 203
 204 const char* CCECBusDevice::GetLogicalAddressName(void) const
 205 {
 206   return ToString(m_iLogicalAddress);
 207 }
 208
 209 bool CCECBusDevice::IsPresent(void)
 210 {
 211   CLockObject lock(m_mutex);
 212   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 213 }
 214
 215 bool CCECBusDevice::IsHandledByLibCEC(void)
 216 {
 217   CLockObject lock(m_mutex);
 218   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 219 }
 220
 221 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 222 {
 223   // some commands should never be marked as unsupported
 224   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 225       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 226       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 227       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 228       opcode == CEC_OPCODE_ABORT ||
 229       opcode == CEC_OPCODE_FEATURE_ABORT ||
 230       opcode == CEC_OPCODE_NONE)
 231     return;
 232
 233   {
 234     CLockObject lock(m_mutex);
 235     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 236     {
 237       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 238       m_unsupportedFeatures.insert(opcode);
 239     }
 240   }
 241
 242   // signal threads that are waiting for a reponse
 243   MarkBusy();
 244   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 245   MarkReady();
 246 }
 247
 248 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 249 {
 250   CLockObject lock(m_mutex);
 251   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 252   if (bUnsupported)
 253     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 254   return bUnsupported;
 255 }
 256
 257 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 258 {
 259   MarkBusy();
 260   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 261   MarkReady();
 262   return bReturn;
 263 }
 264
 265 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 266 {
 267   MarkBusy();
 268   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 269   MarkReady();
 270   return bReturn;
 271 }
 272
 273 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 274 {
 275   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 276   bool bRequestUpdate(false);
 277   {
 278     CLockObject lock(m_mutex);
 279     bRequestUpdate = bIsPresent &&
 280         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 281   }
 282
 283   if (bRequestUpdate)
 284   {
 285     CheckVendorIdRequested(initiator);
 286     RequestCecVersion(initiator);
 287   }
 288
 289   CLockObject lock(m_mutex);
 290   return m_cecVersion;
 291 }
 292
 293 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 294 {
 295   CLockObject lock(m_mutex);
 296   if (m_cecVersion != newVersion)
 297     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 298   m_cecVersion = newVersion;
 299 }
 300
 301 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 302 {
 303   bool bReturn(false);
 304
 305   if (!IsHandledByLibCEC() &&
 306       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 307   {
 308     MarkBusy();
 309     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 310     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 311     MarkReady();
 312   }
 313   return bReturn;
 314 }
 315
 316 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 317 {
 318   cec_version version;
 319   {
 320     CLockObject lock(m_mutex);
 321     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 322     version = m_cecVersion;
 323   }
 324
 325   MarkBusy();
 326   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 327   MarkReady();
 328   return bReturn;
 329 }
 330
 331 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 332 {
 333   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 334   bool bRequestUpdate(false);
 335   {
 336     CLockObject lock(m_mutex);
 337     bRequestUpdate = (bIsPresent &&
 338         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 339   }
 340
 341   if (bRequestUpdate)
 342   {
 343     CheckVendorIdRequested(initiator);
 344     RequestMenuLanguage(initiator);
 345   }
 346
 347   CLockObject lock(m_mutex);
 348   return m_menuLanguage;
 349 }
 350
 351 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 352 {
 353   if (!strLanguage)
 354     return;
 355
 356   CLockObject lock(m_mutex);
 357   if (strcmp(strLanguage, m_menuLanguage.language))
 358   {
 359     memcpy(m_menuLanguage.language, strLanguage, 3);
 360     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 361   }
 362 }
 363
 364 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 365 {
 366   if (language.device == m_iLogicalAddress)
 367     SetMenuLanguage(language.language);
 368 }
 369
 370 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 371 {
 372   bool bReturn(false);
 373
 374   if (!IsHandledByLibCEC() &&
 375       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 376   {
 377     MarkBusy();
 378     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 379     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 380     MarkReady();
 381   }
 382   return bReturn;
 383 }
 384
 385 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 386 {
 387   bool bReturn(false);
 388   cec_menu_language language;
 389   {
 390     CLockObject lock(m_mutex);
 391     language = m_menuLanguage;
 392   }
 393
 394   char lang[3];
 395   {
 396     CLockObject lock(m_mutex);
 397     lang[0] = language.language[0];
 398     lang[1] = language.language[1];
 399     lang[2] = language.language[2];
 400   }
 401
 402   MarkBusy();
 403   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 404   {
 405     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 406     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 407     bReturn = true;
 408   }
 409   else
 410   {
 411     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 412     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 413   }
 414   MarkReady();
 415   return bReturn;
 416 }
 417
 418 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 419 {
 420   bool bReturn(false);
 421   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 422   {
 423     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 424     MarkBusy();
 425     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 426     MarkReady();
 427   }
 428   return bReturn;
 429 }
 430
 431 CStdString CCECBusDevice::GetCurrentOSDName(void)
 432 {
 433   CLockObject lock(m_mutex);
 434   return m_strDeviceName;
 435 }
 436
 437 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 438 {
 439   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 440   bool bRequestUpdate(false);
 441   {
 442     CLockObject lock(m_mutex);
 443     bRequestUpdate = bIsPresent &&
 444         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 445         m_type != CEC_DEVICE_TYPE_TV;
 446   }
 447
 448   if (bRequestUpdate)
 449   {
 450     CheckVendorIdRequested(initiator);
 451     RequestOSDName(initiator);
 452   }
 453
 454   CLockObject lock(m_mutex);
 455   return m_strDeviceName;
 456 }
 457
 458 void CCECBusDevice::SetOSDName(CStdString strName)
 459 {
 460   CLockObject lock(m_mutex);
 461   if (m_strDeviceName != strName)
 462   {
 463     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 464     m_strDeviceName = strName;
 465   }
 466 }
 467
 468 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 469 {
 470   bool bReturn(false);
 471
 472   if (!IsHandledByLibCEC() &&
 473       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 474   {
 475     MarkBusy();
 476     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 477     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 478     MarkReady();
 479   }
 480   return bReturn;
 481 }
 482
 483 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 484 {
 485   CStdString strDeviceName;
 486   {
 487     CLockObject lock(m_mutex);
 488     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 489     strDeviceName = m_strDeviceName;
 490   }
 491
 492   MarkBusy();
 493   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 494   MarkReady();
 495   return bReturn;
 496 }
 497
 498 bool CCECBusDevice::HasValidPhysicalAddress(void)
 499 {
 500   CLockObject lock(m_mutex);
 501   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 502 }
 503
 504 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 505 {
 506   CLockObject lock(m_mutex);
 507   return m_iPhysicalAddress;
 508 }
 509
 510 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 511 {
 512   if (!bSuppressUpdate)
 513   {
 514     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 515     bool bRequestUpdate(false);
 516     {
 517       CLockObject lock(m_mutex);
 518       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 519     }
 520
 521     if (bRequestUpdate)
 522     {
 523       CheckVendorIdRequested(initiator);
 524       if (!RequestPhysicalAddress(initiator))
 525         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 526     }
 527   }
 528
 529   CLockObject lock(m_mutex);
 530   return m_iPhysicalAddress;
 531 }
 532
 533 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 534 {
 535   CLockObject lock(m_mutex);
 536   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 537   {
 538     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 539     m_iPhysicalAddress = iNewAddress;
 540   }
 541   return true;
 542 }
 543
 544 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 545 {
 546   bool bReturn(false);
 547
 548   if (!IsHandledByLibCEC())
 549   {
 550     MarkBusy();
 551     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 552     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 553     MarkReady();
 554   }
 555   return bReturn;
 556 }
 557
 558 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 559 {
 560   uint16_t iPhysicalAddress;
 561   cec_device_type type;
 562   {
 563     CLockObject lock(m_mutex);
 564     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 565       return false;
 566
 567     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 568     iPhysicalAddress = m_iPhysicalAddress;
 569     type = m_type;
 570   }
 571
 572   MarkBusy();
 573   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 574   MarkReady();
 575   return bReturn;
 576 }
 577
 578 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 579 {
 580   CLockObject lock(m_mutex);
 581   return m_powerStatus;
 582 }
 583
 584 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 585 {
 586   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 587   bool bRequestUpdate(false);
 588   {
 589     CLockObject lock(m_mutex);
 590     bRequestUpdate = (bIsPresent &&
 591         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 592             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 593             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 594             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 595   }
 596
 597   if (bRequestUpdate)
 598   {
 599     CheckVendorIdRequested(initiator);
 600     RequestPowerStatus(initiator);
 601   }
 602
 603   CLockObject lock(m_mutex);
 604   return m_powerStatus;
 605 }
 606
 607 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 608 {
 609   CLockObject lock(m_mutex);
 610   if (m_powerStatus != powerStatus)
 611   {
 612     m_iLastPowerStateUpdate = GetTimeMs();
 613     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 614     m_powerStatus = powerStatus;
 615   }
 616 }
 617
 618 void CCECBusDevice::OnImageViewOnSent(bool bSentByLibCEC)
 619 {
 620   CLockObject lock(m_mutex);
 621   m_bImageViewOnSent = bSentByLibCEC;
 622
 623   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 624   {
 625     m_iLastPowerStateUpdate = GetTimeMs();
 626     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON));
 627     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 628   }
 629 }
 630
 631 bool CCECBusDevice::ImageViewOnSent(void)
 632 {
 633   CLockObject lock(m_mutex);
 634   return m_bImageViewOnSent;
 635 }
 636
 637 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 638 {
 639   bool bReturn(false);
 640
 641   if (!IsHandledByLibCEC() &&
 642       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 643   {
 644     MarkBusy();
 645     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 646     MarkReady();
 647   }
 648   return bReturn;
 649 }
 650
 651 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 652 {
 653   cec_power_status state;
 654   {
 655     CLockObject lock(m_mutex);
 656     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 657     state = m_powerStatus;
 658   }
 659
 660   MarkBusy();
 661   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 662   MarkReady();
 663   return bReturn;
 664 }
 665
 666 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 667 {
 668   CLockObject lock(m_mutex);
 669   return m_vendor;
 670 }
 671
 672 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 673 {
 674   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 675   bool bRequestUpdate(false);
 676   {
 677     CLockObject lock(m_mutex);
 678     bRequestUpdate = (bIsPresent &&
 679         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 680   }
 681
 682   if (bRequestUpdate)
 683     RequestVendorId(initiator);
 684
 685   CLockObject lock(m_mutex);
 686   return m_vendor;
 687 }
 688
 689 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 690 {
 691   return ToString(GetVendorId(initiator, bUpdate));
 692 }
 693
 694 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 695 {
 696   bool bVendorChanged(false);
 697
 698   {
 699     CLockObject lock(m_mutex);
 700     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 701     m_vendor = (cec_vendor_id)iVendorId;
 702   }
 703
 704   if (bVendorChanged)
 705     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 706
 707   return bVendorChanged;
 708 }
 709
 710 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 711 {
 712   bool bReturn(false);
 713
 714   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 715   {
 716     MarkBusy();
 717     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 718     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 719     MarkReady();
 720
 721     if (bWaitForResponse)
 722       ReplaceHandler(true);
 723   }
 724   return bReturn;
 725 }
 726
 727 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 728 {
 729   bool bReturn(false);
 730   uint64_t iVendorId;
 731   {
 732     CLockObject lock(m_mutex);
 733     iVendorId = (uint64_t)m_vendor;
 734   }
 735
 736   MarkBusy();
 737   if (iVendorId == CEC_VENDOR_UNKNOWN)
 738   {
 739     if (bSendAbort)
 740     {
 741       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 742       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 743       bReturn = true;
 744     }
 745   }
 746   else
 747   {
 748     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString((cec_vendor_id)iVendorId), iVendorId);
 749     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId, bIsReply);
 750   }
 751   MarkReady();
 752   return bReturn;
 753 }
 754
 755 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 756 {
 757   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 758     return CEC_DEVICE_STATUS_NOT_PRESENT;
 759
 760   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 761   bool bNeedsPoll(false);
 762
 763   {
 764     CLockObject lock(m_mutex);
 765     status = m_deviceStatus;
 766     bNeedsPoll = !bSuppressPoll &&
 767         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 768             // poll forced
 769             (bForcePoll ||
 770             // don't know the status
 771             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 772             // always poll the TV if it's marked as not present
 773             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 774   }
 775
 776   if (bNeedsPoll)
 777   {
 778     bool bPollAcked(false);
 779     if (bNeedsPoll && NeedsPoll())
 780       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 781
 782     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 783     SetDeviceStatus(status);
 784   }
 785
 786   return status;
 787 }
 788
 789 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 790 {
 791   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 792     return;
 793
 794   {
 795     CLockObject lock(m_mutex);
 796     switch (newStatus)
 797     {
 798     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 799       if (m_deviceStatus != newStatus)
 800         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 801       SetPowerStatus   (CEC_POWER_STATUS_ON);
 802       SetVendorId      (CEC_VENDOR_UNKNOWN);
 803       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 804       SetCecVersion    (libCECSpecVersion);
 805       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 806       MarkAsInactiveSource();
 807       m_iLastActive   = 0;
 808       m_deviceStatus  = newStatus;
 809       break;
 810     case CEC_DEVICE_STATUS_PRESENT:
 811       if (m_deviceStatus != newStatus)
 812         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 813       m_deviceStatus = newStatus;
 814       m_iLastActive = GetTimeMs();
 815       break;
 816     case CEC_DEVICE_STATUS_NOT_PRESENT:
 817       if (m_deviceStatus != newStatus)
 818       {
 819         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 820         ResetDeviceStatus(true);
 821         m_deviceStatus = newStatus;
 822       }
 823       break;
 824     default:
 825       ResetDeviceStatus();
 826       break;
 827     }
 828   }
 829 }
 830
 831 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 832 {
 833   CLockObject lock(m_mutex);
 834   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 835   SetVendorId      (CEC_VENDOR_UNKNOWN);
 836   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 837   SetCecVersion    (CEC_VERSION_UNKNOWN);
 838   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 839   SetOSDName       (ToString(m_iLogicalAddress));
 840   MarkAsInactiveSource(bClientUnregistered);
 841
 842   m_iLastActive = 0;
 843   m_bVendorIdRequested = false;
 844   m_unsupportedFeatures.clear();
 845   m_waitForResponse->Clear();
 846
 847   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 848     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 849   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 850 }
 851
 852 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 853 {
 854   bool bReturn(false);
 855   cec_logical_address destination(dest);
 856   if (destination == CECDEVICE_UNKNOWN)
 857     destination = m_iLogicalAddress;
 858
 859   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 860   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 861     return bReturn;
 862
 863   MarkBusy();
 864   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 865   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 866   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 867
 868   if (bUpdateDeviceStatus)
 869     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 870
 871   MarkReady();
 872   return bReturn;
 873 }
 874
 875 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 876 {
 877   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 878   {
 879     CCECBusDevice *device = m_processor->GetDevice(destination);
 880     if (device)
 881       device->HandlePollFrom(m_iLogicalAddress);
 882   }
 883 }
 884
 885 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 886 {
 887   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 888   m_bAwaitingReceiveFailed = true;
 889 }
 890
 891 bool CCECBusDevice::HandleReceiveFailed(void)
 892 {
 893   bool bReturn = m_bAwaitingReceiveFailed;
 894   m_bAwaitingReceiveFailed = false;
 895   return bReturn;
 896 }
 897
 898 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 899 {
 900   CLockObject lock(m_mutex);
 901   return m_menuState;
 902 }
 903
 904 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 905 {
 906   CLockObject lock(m_mutex);
 907   if (m_menuState != state)
 908   {
 909     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 910     m_menuState = state;
 911   }
 912 }
 913
 914 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 915 {
 916   cec_menu_state menuState;
 917   {
 918     CLockObject lock(m_mutex);
 919     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 920     menuState = m_menuState;
 921   }
 922
 923   MarkBusy();
 924   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 925   MarkReady();
 926   return bReturn;
 927 }
 928
 929 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 930 {
 931   MarkAsActiveSource();
 932   MarkBusy();
 933   bool bReturn(true);
 934   if (iDelay == 0)
 935   {
 936     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 937     bReturn = m_handler->ActivateSource();
 938   }
 939   else
 940   {
 941     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 942     m_handler->ScheduleActivateSource(iDelay);
 943   }
 944   MarkReady();
 945   return bReturn;
 946 }
 947
 948 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 949 {
 950   bool bReturn(false);
 951
 952   if (IsHandledByLibCEC())
 953   {
 954     MarkBusy();
 955     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 956
 957     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 958     MarkReady();
 959   }
 960   return bReturn;
 961 }
 962
 963 void CCECBusDevice::MarkAsActiveSource(void)
 964 {
 965   bool bWasActivated(false);
 966
 967   // set the power status to powered on
 968   SetPowerStatus(CEC_POWER_STATUS_ON);
 969
 970   // mark this device as active source
 971   {
 972     CLockObject lock(m_mutex);
 973     if (!m_bActiveSource)
 974     {
 975       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 976       bWasActivated = true;
 977     }
 978     else
 979       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 980
 981     m_bActiveSource = true;
 982   }
 983
 984   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
 985   if (tv)
 986     tv->OnImageViewOnSent(false);
 987
 988   // mark other devices as inactive sources
 989   CECDEVICEVEC devices;
 990   m_processor->GetDevices()->Get(devices);
 991   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 992     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 993       (*it)->MarkAsInactiveSource();
 994
 995   if (bWasActivated)
 996   {
 997     if (IsHandledByLibCEC())
 998       m_processor->SetActiveSource(true, false);
 999     CCECClient *client = GetClient();
1000     if (client)
1001       client->SourceActivated(m_iLogicalAddress);
1002   }
1003 }
1004
1005 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1006 {
1007   bool bWasDeactivated(false);
1008   {
1009     CLockObject lock(m_mutex);
1010     if (m_bActiveSource)
1011     {
1012       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1013       bWasDeactivated = true;
1014     }
1015     m_bActiveSource = false;
1016   }
1017
1018   if (bWasDeactivated)
1019   {
1020     if (IsHandledByLibCEC())
1021       m_processor->SetActiveSource(false, bClientUnregistered);
1022     CCECClient *client = GetClient();
1023     if (client)
1024       client->SourceDeactivated(m_iLogicalAddress);
1025   }
1026 }
1027
1028 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1029 {
1030   bool bSendActiveSource(false);
1031   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1032
1033   {
1034     CLockObject lock(m_mutex);
1035     if (!HasValidPhysicalAddress())
1036     {
1037       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1038       return false;
1039     }
1040
1041     iPhysicalAddress = m_iPhysicalAddress;
1042
1043     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1044       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1045     else if (m_bActiveSource)
1046     {
1047       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1048       bSendActiveSource = true;
1049     }
1050     else
1051       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1052   }
1053
1054   bool bActiveSourceSent(false);
1055   if (bSendActiveSource)
1056   {
1057     MarkBusy();
1058     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1059     MarkReady();
1060   }
1061
1062   return bActiveSourceSent;
1063 }
1064
1065 bool CCECBusDevice::TransmitImageViewOn(void)
1066 {
1067   {
1068     CLockObject lock(m_mutex);
1069     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1070     {
1071       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1072       return false;
1073     }
1074   }
1075
1076   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1077   if (!tv)
1078   {
1079     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1080     return false;
1081   }
1082
1083   if (tv->ImageViewOnSent())
1084   {
1085     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1086     return true;
1087   }
1088
1089   bool bImageViewOnSent(false);
1090   MarkBusy();
1091   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1092   MarkReady();
1093
1094   if (bImageViewOnSent)
1095     tv->OnImageViewOnSent(true);
1096
1097   return bImageViewOnSent;
1098 }
1099
1100 bool CCECBusDevice::TransmitInactiveSource(void)
1101 {
1102   uint16_t iPhysicalAddress;
1103   {
1104     CLockObject lock(m_mutex);
1105     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1106     iPhysicalAddress = m_iPhysicalAddress;
1107   }
1108
1109   MarkBusy();
1110   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1111   MarkReady();
1112   return bReturn;
1113 }
1114
1115 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1116 {
1117   MarkBusy();
1118   bool bReturn = m_handler->ActivateSource(true);
1119   MarkReady();
1120   return bReturn;
1121 }
1122
1123 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1124 {
1125   CCECDeviceMap* map = m_processor->GetDevices();
1126   if (!map)
1127     return;
1128
1129   CCECBusDevice* previouslyActive = map->GetActiveSource();
1130   if (!previouslyActive)
1131     return;
1132
1133   CECDEVICEVEC devices;
1134   m_processor->GetDevices()->GetChildrenOf(devices, this);
1135
1136   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1137   {
1138     if (!CCECTypeUtils::PhysicalAddressIsIncluded(iRoute, (*it)->GetCurrentPhysicalAddress()))
1139       (*it)->MarkAsInactiveSource();
1140   }
1141 }
1142
1143 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1144 {
1145   CLockObject lock(m_mutex);
1146   if (iNewAddress != m_iStreamPath)
1147   {
1148     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1149     m_iStreamPath = iNewAddress;
1150   }
1151
1152   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1153     return;
1154
1155   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1156   if (device)
1157   {
1158     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1159     device->MarkAsActiveSource();
1160
1161     // respond with an active source message if this device is handled by libCEC
1162     if (device->IsHandledByLibCEC())
1163       device->TransmitActiveSource(true);
1164   }
1165   else
1166   {
1167     // try to find the device with the old address, and mark it as inactive when found
1168     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1169     if (device)
1170       device->MarkAsInactiveSource();
1171   }
1172 }
1173
1174 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1175 {
1176   bool bReturn(false);
1177   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1178
1179   MarkBusy();
1180   cec_power_status currentStatus;
1181   if (m_iLogicalAddress == CECDEVICE_TV ||
1182       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1183         currentStatus != CEC_POWER_STATUS_ON))
1184   {
1185     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1186     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1187   }
1188   else
1189   {
1190     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1191   }
1192
1193   MarkReady();
1194   return bReturn;
1195 }
1196
1197 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1198 {
1199   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1200
1201   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1202   MarkBusy();
1203   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1204   MarkReady();
1205   return bReturn;
1206 }
1207
1208 bool CCECBusDevice::NeedsPoll(void)
1209 {
1210   bool bSendPoll(false);
1211   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1212   switch (m_iLogicalAddress)
1213   {
1214   case CECDEVICE_PLAYBACKDEVICE3:
1215     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1216     break;
1217   case CECDEVICE_PLAYBACKDEVICE2:
1218     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1219     break;
1220   case CECDEVICE_RECORDINGDEVICE3:
1221     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1222     break;
1223   case CECDEVICE_RECORDINGDEVICE2:
1224     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1225     break;
1226   case CECDEVICE_TUNER4:
1227     pollAddress = CECDEVICE_TUNER3;
1228     break;
1229   case CECDEVICE_TUNER3:
1230     pollAddress = CECDEVICE_TUNER2;
1231     break;
1232   case CECDEVICE_TUNER2:
1233     pollAddress = CECDEVICE_TUNER1;
1234     break;
1235   case CECDEVICE_AUDIOSYSTEM:
1236   case CECDEVICE_PLAYBACKDEVICE1:
1237   case CECDEVICE_RECORDINGDEVICE1:
1238   case CECDEVICE_TUNER1:
1239   case CECDEVICE_TV:
1240     bSendPoll = true;
1241     break;
1242   default:
1243     break;
1244   }
1245
1246   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1247   {
1248     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1249     if (device)
1250     {
1251       cec_bus_device_status status = device->GetStatus();
1252       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1253     }
1254     else
1255     {
1256       bSendPoll = true;
1257     }
1258   }
1259
1260   return bSendPoll;
1261 }
1262
1263 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1264 {
1265   bool bRequestVendorId(false);
1266   {
1267     CLockObject lock(m_mutex);
1268     bRequestVendorId = !m_bVendorIdRequested;
1269     m_bVendorIdRequested = true;
1270   }
1271
1272   if (bRequestVendorId)
1273   {
1274     ReplaceHandler(false);
1275     GetVendorId(initiator);
1276   }
1277 }
1278 //@}
1279
1280 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1281 {
1282   return AsAudioSystem(this);
1283 }
1284
1285 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1286 {
1287   return AsPlaybackDevice(this);
1288 }
1289
1290 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1291 {
1292   return AsRecordingDevice(this);
1293 }
1294
1295 CCECTuner *CCECBusDevice::AsTuner(void)
1296 {
1297   return AsTuner(this);
1298 }
1299
1300 CCECTV *CCECBusDevice::AsTV(void)
1301 {
1302   return AsTV(this);
1303 }
1304
1305 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1306 {
1307   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1308     return static_cast<CCECAudioSystem *>(device);
1309   return NULL;
1310 }
1311
1312 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1313 {
1314   if (device &&
1315       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1316        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1317     return static_cast<CCECPlaybackDevice *>(device);
1318   return NULL;
1319 }
1320
1321 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1322 {
1323   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1324     return static_cast<CCECRecordingDevice *>(device);
1325   return NULL;
1326 }
1327
1328 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1329 {
1330   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1331     return static_cast<CCECTuner *>(device);
1332   return NULL;
1333 }
1334
1335 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1336 {
1337   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1338     return static_cast<CCECTV *>(device);
1339   return NULL;
1340 }
1341
1342 void CCECBusDevice::MarkBusy(void)
1343 {
1344   CLockObject handlerLock(m_handlerMutex);
1345   ++m_iHandlerUseCount;
1346 }
1347
1348 void CCECBusDevice::MarkReady(void)
1349 {
1350   CLockObject handlerLock(m_handlerMutex);
1351   if (m_iHandlerUseCount > 0)
1352     --m_iHandlerUseCount;
1353 }
1354
1355 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1356 {
1357   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1358
1359   if (!TransmitPoll(m_iLogicalAddress, false))
1360   {
1361     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1362     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1363
1364     return true;
1365   }
1366
1367   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1368   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1369   return false;
1370 }
1371
1372 CCECClient *CCECBusDevice::GetClient(void)
1373 {
1374   return m_processor->GetClient(m_iLogicalAddress);
1375 }
1376
1377 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1378 {
1379   m_waitForResponse->Received(opcode);
1380 }
1381
1382 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1383 {
1384   return m_waitForResponse->Wait(opcode);
1385 }