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 && command.opcode_set == 1)
 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     if (!bReturn)
 647       SetPowerStatus(CEC_POWER_STATUS_UNKNOWN);
 648     MarkReady();
 649   }
 650   return bReturn;
 651 }
 652
 653 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 654 {
 655   cec_power_status state;
 656   {
 657     CLockObject lock(m_mutex);
 658     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 659     state = m_powerStatus;
 660   }
 661
 662   MarkBusy();
 663   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 664   MarkReady();
 665   return bReturn;
 666 }
 667
 668 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 669 {
 670   CLockObject lock(m_mutex);
 671   return m_vendor;
 672 }
 673
 674 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 675 {
 676   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 677   bool bRequestUpdate(false);
 678   {
 679     CLockObject lock(m_mutex);
 680     bRequestUpdate = (bIsPresent &&
 681         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 682   }
 683
 684   if (bRequestUpdate)
 685     RequestVendorId(initiator);
 686
 687   CLockObject lock(m_mutex);
 688   return m_vendor;
 689 }
 690
 691 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 692 {
 693   return ToString(GetVendorId(initiator, bUpdate));
 694 }
 695
 696 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 697 {
 698   bool bVendorChanged(false);
 699
 700   {
 701     CLockObject lock(m_mutex);
 702     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 703     m_vendor = (cec_vendor_id)iVendorId;
 704   }
 705
 706   if (bVendorChanged)
 707     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 708
 709   return bVendorChanged;
 710 }
 711
 712 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 713 {
 714   bool bReturn(false);
 715
 716   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 717   {
 718     MarkBusy();
 719     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 720     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 721     MarkReady();
 722
 723     if (bWaitForResponse)
 724       ReplaceHandler(true);
 725   }
 726   return bReturn;
 727 }
 728
 729 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 730 {
 731   bool bReturn(false);
 732   uint64_t iVendorId;
 733   {
 734     CLockObject lock(m_mutex);
 735     iVendorId = (uint64_t)m_vendor;
 736   }
 737
 738   MarkBusy();
 739   if (iVendorId == CEC_VENDOR_UNKNOWN)
 740   {
 741     if (bSendAbort)
 742     {
 743       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 744       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 745       bReturn = true;
 746     }
 747   }
 748   else
 749   {
 750     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);
 751     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, destination, iVendorId, bIsReply);
 752   }
 753   MarkReady();
 754   return bReturn;
 755 }
 756
 757 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 758 {
 759   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 760     return CEC_DEVICE_STATUS_NOT_PRESENT;
 761
 762   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 763   bool bNeedsPoll(false);
 764
 765   {
 766     CLockObject lock(m_mutex);
 767     status = m_deviceStatus;
 768     bNeedsPoll = !bSuppressPoll &&
 769         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 770             // poll forced
 771             (bForcePoll ||
 772             // don't know the status
 773             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 774             // always poll the TV if it's marked as not present
 775             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 776   }
 777
 778   if (bNeedsPoll)
 779   {
 780     bool bPollAcked(false);
 781     if (bNeedsPoll && NeedsPoll())
 782       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 783
 784     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 785     SetDeviceStatus(status);
 786   }
 787
 788   return status;
 789 }
 790
 791 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 792 {
 793   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 794     return;
 795
 796   {
 797     CLockObject lock(m_mutex);
 798     switch (newStatus)
 799     {
 800     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 801       if (m_deviceStatus != newStatus)
 802         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 803       SetPowerStatus   (CEC_POWER_STATUS_ON);
 804       SetVendorId      (CEC_VENDOR_UNKNOWN);
 805       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 806       SetCecVersion    (libCECSpecVersion);
 807       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 808       MarkAsInactiveSource();
 809       m_iLastActive   = 0;
 810       m_deviceStatus  = newStatus;
 811       break;
 812     case CEC_DEVICE_STATUS_PRESENT:
 813       if (m_deviceStatus != newStatus)
 814         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 815       m_deviceStatus = newStatus;
 816       m_iLastActive = GetTimeMs();
 817       break;
 818     case CEC_DEVICE_STATUS_NOT_PRESENT:
 819       if (m_deviceStatus != newStatus)
 820       {
 821         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 822         ResetDeviceStatus(true);
 823         m_deviceStatus = newStatus;
 824       }
 825       break;
 826     default:
 827       ResetDeviceStatus();
 828       break;
 829     }
 830   }
 831 }
 832
 833 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 834 {
 835   CLockObject lock(m_mutex);
 836   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 837   SetVendorId      (CEC_VENDOR_UNKNOWN);
 838   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 839   SetCecVersion    (CEC_VERSION_UNKNOWN);
 840   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 841   SetOSDName       (ToString(m_iLogicalAddress));
 842   MarkAsInactiveSource(bClientUnregistered);
 843
 844   m_iLastActive = 0;
 845   m_bVendorIdRequested = false;
 846   m_unsupportedFeatures.clear();
 847   m_waitForResponse->Clear();
 848
 849   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 850     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 851   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 852 }
 853
 854 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 855 {
 856   bool bReturn(false);
 857   cec_logical_address destination(dest);
 858   if (destination == CECDEVICE_UNKNOWN)
 859     destination = m_iLogicalAddress;
 860
 861   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 862   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 863     return bReturn;
 864
 865   MarkBusy();
 866   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 867   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 868   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 869
 870   if (bUpdateDeviceStatus)
 871     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 872
 873   MarkReady();
 874   return bReturn;
 875 }
 876
 877 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 878 {
 879   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 880   {
 881     CCECBusDevice *device = m_processor->GetDevice(destination);
 882     if (device)
 883       device->HandlePollFrom(m_iLogicalAddress);
 884   }
 885 }
 886
 887 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 888 {
 889   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 890   m_bAwaitingReceiveFailed = true;
 891 }
 892
 893 bool CCECBusDevice::HandleReceiveFailed(void)
 894 {
 895   bool bReturn = m_bAwaitingReceiveFailed;
 896   m_bAwaitingReceiveFailed = false;
 897   return bReturn;
 898 }
 899
 900 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 901 {
 902   CLockObject lock(m_mutex);
 903   return m_menuState;
 904 }
 905
 906 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 907 {
 908   CLockObject lock(m_mutex);
 909   if (m_menuState != state)
 910   {
 911     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 912     m_menuState = state;
 913   }
 914 }
 915
 916 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 917 {
 918   cec_menu_state menuState;
 919   {
 920     CLockObject lock(m_mutex);
 921     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 922     menuState = m_menuState;
 923   }
 924
 925   MarkBusy();
 926   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 927   MarkReady();
 928   return bReturn;
 929 }
 930
 931 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 932 {
 933   MarkAsActiveSource();
 934   MarkBusy();
 935   bool bReturn(true);
 936   if (iDelay == 0)
 937   {
 938     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 939     bReturn = m_handler->ActivateSource();
 940   }
 941   else
 942   {
 943     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 944     m_handler->ScheduleActivateSource(iDelay);
 945   }
 946   MarkReady();
 947   return bReturn;
 948 }
 949
 950 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 951 {
 952   bool bReturn(false);
 953
 954   if (IsHandledByLibCEC())
 955   {
 956     MarkBusy();
 957     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 958
 959     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 960     MarkReady();
 961   }
 962   return bReturn;
 963 }
 964
 965 void CCECBusDevice::MarkAsActiveSource(void)
 966 {
 967   bool bWasActivated(false);
 968
 969   // set the power status to powered on
 970   SetPowerStatus(CEC_POWER_STATUS_ON);
 971
 972   // mark this device as active source
 973   {
 974     CLockObject lock(m_mutex);
 975     if (!m_bActiveSource)
 976     {
 977       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 978       bWasActivated = true;
 979     }
 980     else
 981       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 982
 983     m_bActiveSource = true;
 984   }
 985
 986   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
 987   if (tv)
 988     tv->OnImageViewOnSent(false);
 989
 990   // mark other devices as inactive sources
 991   CECDEVICEVEC devices;
 992   m_processor->GetDevices()->Get(devices);
 993   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 994     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 995       (*it)->MarkAsInactiveSource();
 996
 997   if (bWasActivated)
 998   {
 999     if (IsHandledByLibCEC())
1000       m_processor->SetActiveSource(true, false);
1001     CCECClient *client = GetClient();
1002     if (client)
1003       client->SourceActivated(m_iLogicalAddress);
1004   }
1005 }
1006
1007 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1008 {
1009   bool bWasDeactivated(false);
1010   {
1011     CLockObject lock(m_mutex);
1012     if (m_bActiveSource)
1013     {
1014       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1015       bWasDeactivated = true;
1016     }
1017     m_bActiveSource = false;
1018   }
1019
1020   if (bWasDeactivated)
1021   {
1022     if (IsHandledByLibCEC())
1023       m_processor->SetActiveSource(false, bClientUnregistered);
1024     CCECClient *client = GetClient();
1025     if (client)
1026       client->SourceDeactivated(m_iLogicalAddress);
1027   }
1028 }
1029
1030 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1031 {
1032   bool bSendActiveSource(false);
1033   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1034
1035   {
1036     CLockObject lock(m_mutex);
1037     if (!HasValidPhysicalAddress())
1038     {
1039       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1040       return false;
1041     }
1042
1043     iPhysicalAddress = m_iPhysicalAddress;
1044
1045     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1046       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1047     else if (m_bActiveSource)
1048     {
1049       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1050       bSendActiveSource = true;
1051     }
1052     else
1053       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1054   }
1055
1056   bool bActiveSourceSent(false);
1057   if (bSendActiveSource)
1058   {
1059     MarkBusy();
1060     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1061     MarkReady();
1062   }
1063
1064   return bActiveSourceSent;
1065 }
1066
1067 bool CCECBusDevice::TransmitImageViewOn(void)
1068 {
1069   {
1070     CLockObject lock(m_mutex);
1071     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1072     {
1073       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1074       return false;
1075     }
1076   }
1077
1078   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1079   if (!tv)
1080   {
1081     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1082     return false;
1083   }
1084
1085   if (tv->ImageViewOnSent())
1086   {
1087     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1088     return true;
1089   }
1090
1091   bool bImageViewOnSent(false);
1092   MarkBusy();
1093   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1094   MarkReady();
1095
1096   if (bImageViewOnSent)
1097     tv->OnImageViewOnSent(true);
1098
1099   return bImageViewOnSent;
1100 }
1101
1102 bool CCECBusDevice::TransmitInactiveSource(void)
1103 {
1104   uint16_t iPhysicalAddress;
1105   {
1106     CLockObject lock(m_mutex);
1107     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1108     iPhysicalAddress = m_iPhysicalAddress;
1109   }
1110
1111   MarkBusy();
1112   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1113   MarkReady();
1114   return bReturn;
1115 }
1116
1117 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1118 {
1119   MarkBusy();
1120   bool bReturn = m_handler->ActivateSource(true);
1121   MarkReady();
1122   return bReturn;
1123 }
1124
1125 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1126 {
1127   SetPowerStatus(CEC_POWER_STATUS_ON);
1128
1129   CCECDeviceMap* map = m_processor->GetDevices();
1130   if (!map)
1131     return;
1132
1133   CCECBusDevice* newRoute = m_processor->GetDeviceByPhysicalAddress(iRoute, true);
1134   if (newRoute && newRoute->IsHandledByLibCEC())
1135   {
1136     newRoute->ActivateSource();
1137     return;
1138   }
1139
1140   CECDEVICEVEC devices;
1141   m_processor->GetDevices()->GetChildrenOf(devices, this);
1142
1143   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1144   {
1145     if ((*it)->GetCurrentPhysicalAddress() == iRoute && (*it)->IsHandledByLibCEC())
1146       (*it)->ActivateSource();
1147     else if (!CCECTypeUtils::PhysicalAddressIsIncluded(iRoute, (*it)->GetCurrentPhysicalAddress()))
1148       (*it)->MarkAsInactiveSource();
1149   }
1150 }
1151
1152 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1153 {
1154   if (iNewAddress != CEC_INVALID_PHYSICAL_ADDRESS)
1155     SetPowerStatus(CEC_POWER_STATUS_ON);
1156
1157   CLockObject lock(m_mutex);
1158   if (iNewAddress != m_iStreamPath)
1159   {
1160     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1161     m_iStreamPath = iNewAddress;
1162   }
1163
1164   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1165     return;
1166
1167   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1168   if (device)
1169   {
1170     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1171     device->MarkAsActiveSource();
1172
1173     // respond with an active source message if this device is handled by libCEC
1174     if (device->IsHandledByLibCEC())
1175       device->TransmitActiveSource(true);
1176   }
1177   else
1178   {
1179     // try to find the device with the old address, and mark it as inactive when found
1180     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1181     if (device)
1182       device->MarkAsInactiveSource();
1183   }
1184 }
1185
1186 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1187 {
1188   bool bReturn(false);
1189   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1190
1191   MarkBusy();
1192   cec_power_status currentStatus;
1193   if (m_iLogicalAddress == CECDEVICE_TV ||
1194       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1195         currentStatus != CEC_POWER_STATUS_ON))
1196   {
1197     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1198     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1199   }
1200   else
1201   {
1202     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1203   }
1204
1205   MarkReady();
1206   return bReturn;
1207 }
1208
1209 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1210 {
1211   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1212
1213   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1214   MarkBusy();
1215   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1216   MarkReady();
1217   return bReturn;
1218 }
1219
1220 bool CCECBusDevice::NeedsPoll(void)
1221 {
1222   bool bSendPoll(false);
1223   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1224   switch (m_iLogicalAddress)
1225   {
1226   case CECDEVICE_PLAYBACKDEVICE3:
1227     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1228     break;
1229   case CECDEVICE_PLAYBACKDEVICE2:
1230     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1231     break;
1232   case CECDEVICE_RECORDINGDEVICE3:
1233     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1234     break;
1235   case CECDEVICE_RECORDINGDEVICE2:
1236     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1237     break;
1238   case CECDEVICE_TUNER4:
1239     pollAddress = CECDEVICE_TUNER3;
1240     break;
1241   case CECDEVICE_TUNER3:
1242     pollAddress = CECDEVICE_TUNER2;
1243     break;
1244   case CECDEVICE_TUNER2:
1245     pollAddress = CECDEVICE_TUNER1;
1246     break;
1247   case CECDEVICE_AUDIOSYSTEM:
1248   case CECDEVICE_PLAYBACKDEVICE1:
1249   case CECDEVICE_RECORDINGDEVICE1:
1250   case CECDEVICE_TUNER1:
1251   case CECDEVICE_TV:
1252     bSendPoll = true;
1253     break;
1254   default:
1255     break;
1256   }
1257
1258   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1259   {
1260     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1261     if (device)
1262     {
1263       cec_bus_device_status status = device->GetStatus();
1264       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1265     }
1266     else
1267     {
1268       bSendPoll = true;
1269     }
1270   }
1271
1272   return bSendPoll;
1273 }
1274
1275 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1276 {
1277   bool bRequestVendorId(false);
1278   {
1279     CLockObject lock(m_mutex);
1280     bRequestVendorId = !m_bVendorIdRequested;
1281     m_bVendorIdRequested = true;
1282   }
1283
1284   if (bRequestVendorId)
1285   {
1286     ReplaceHandler(false);
1287     GetVendorId(initiator);
1288   }
1289 }
1290 //@}
1291
1292 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1293 {
1294   return AsAudioSystem(this);
1295 }
1296
1297 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1298 {
1299   return AsPlaybackDevice(this);
1300 }
1301
1302 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1303 {
1304   return AsRecordingDevice(this);
1305 }
1306
1307 CCECTuner *CCECBusDevice::AsTuner(void)
1308 {
1309   return AsTuner(this);
1310 }
1311
1312 CCECTV *CCECBusDevice::AsTV(void)
1313 {
1314   return AsTV(this);
1315 }
1316
1317 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1318 {
1319   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1320     return static_cast<CCECAudioSystem *>(device);
1321   return NULL;
1322 }
1323
1324 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1325 {
1326   if (device &&
1327       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1328        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1329     return static_cast<CCECPlaybackDevice *>(device);
1330   return NULL;
1331 }
1332
1333 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1334 {
1335   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1336     return static_cast<CCECRecordingDevice *>(device);
1337   return NULL;
1338 }
1339
1340 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1341 {
1342   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1343     return static_cast<CCECTuner *>(device);
1344   return NULL;
1345 }
1346
1347 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1348 {
1349   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1350     return static_cast<CCECTV *>(device);
1351   return NULL;
1352 }
1353
1354 void CCECBusDevice::MarkBusy(void)
1355 {
1356   CLockObject handlerLock(m_handlerMutex);
1357   ++m_iHandlerUseCount;
1358 }
1359
1360 void CCECBusDevice::MarkReady(void)
1361 {
1362   CLockObject handlerLock(m_handlerMutex);
1363   if (m_iHandlerUseCount > 0)
1364     --m_iHandlerUseCount;
1365 }
1366
1367 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1368 {
1369   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1370
1371   if (!TransmitPoll(m_iLogicalAddress, false))
1372   {
1373     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1374     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1375
1376     return true;
1377   }
1378
1379   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1380   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1381   return false;
1382 }
1383
1384 CCECClient *CCECBusDevice::GetClient(void)
1385 {
1386   return m_processor->GetClient(m_iLogicalAddress);
1387 }
1388
1389 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1390 {
1391   m_waitForResponse->Received(opcode);
1392 }
1393
1394 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1395 {
1396   return m_waitForResponse->Wait(opcode);
1397 }