src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2013 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/implementations/RLCommandHandler.h"
  44 #include "lib/implementations/RHCommandHandler.h"
  45 #include "lib/LibCEC.h"
  46 #include "lib/CECTypeUtils.h"
  47 #include "lib/platform/util/timeutils.h"
  48 #include "lib/platform/util/util.h"
  49
  50 #include "CECAudioSystem.h"
  51 #include "CECPlaybackDevice.h"
  52 #include "CECRecordingDevice.h"
  53 #include "CECTuner.h"
  54 #include "CECTV.h"
  55
  56 using namespace std;
  57 using namespace CEC;
  58 using namespace PLATFORM;
  59
  60 #define LIB_CEC     m_processor->GetLib()
  61 #define ToString(p) CCECTypeUtils::ToString(p)
  62
  63 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  64   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  65   m_iPhysicalAddress      (iPhysicalAddress),
  66   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  67   m_iLogicalAddress       (iLogicalAddress),
  68   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  69   m_processor             (processor),
  70   m_vendor                (CEC_VENDOR_UNKNOWN),
  71   m_bReplaceHandler       (false),
  72   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  73   m_bActiveSource         (false),
  74   m_iLastActive           (0),
  75   m_iLastPowerStateUpdate (0),
  76   m_cecVersion            (CEC_VERSION_UNKNOWN),
  77   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  78   m_iHandlerUseCount      (0),
  79   m_bAwaitingReceiveFailed(false),
  80   m_bVendorIdRequested    (false),
  81   m_waitForResponse       (new CWaitForResponse),
  82   m_bImageViewOnSent      (false)
  83 {
  84   m_handler = new CCECCommandHandler(this);
  85
  86   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  87     m_menuLanguage.language[iPtr] = '?';
  88   m_menuLanguage.language[3] = 0;
  89   m_menuLanguage.device = iLogicalAddress;
  90
  91   m_strDeviceName = ToString(m_iLogicalAddress);
  92 }
  93
  94 CCECBusDevice::~CCECBusDevice(void)
  95 {
  96   DELETE_AND_NULL(m_handler);
  97   DELETE_AND_NULL(m_waitForResponse);
  98 }
  99
 100 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 101 {
 102   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 103     return false;
 104
 105   bool bInitHandler(false);
 106   {
 107     CLockObject lock(m_mutex);
 108     CLockObject handlerLock(m_handlerMutex);
 109     if (m_iHandlerUseCount > 0)
 110       return false;
 111
 112     MarkBusy();
 113
 114     if (m_vendor != m_handler->GetVendorId())
 115     {
 116       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 117       {
 118         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 119
 120         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 121         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 122         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 123         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 124
 125         DELETE_AND_NULL(m_handler);
 126
 127         switch (m_vendor)
 128         {
 129         case CEC_VENDOR_SAMSUNG:
 130           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 131           break;
 132         case CEC_VENDOR_LG:
 133           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 134           break;
 135         case CEC_VENDOR_PANASONIC:
 136           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 137           break;
 138         case CEC_VENDOR_PHILIPS:
 139           m_handler = new CPHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 140           break;
 141         case CEC_VENDOR_TOSHIBA:
 142         case CEC_VENDOR_TOSHIBA2:
 143           m_handler = new CRLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 144           break;
 145         case CEC_VENDOR_ONKYO:
 146           m_handler = new CRHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 147           break;
 148         default:
 149           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 150           break;
 151         }
 152
 153         m_handler->SetVendorId(m_vendor);
 154         bInitHandler = true;
 155       }
 156     }
 157   }
 158
 159   if (bInitHandler)
 160   {
 161     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 162     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 163     {
 164       m_handler->InitHandler();
 165
 166       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 167         m_handler->ActivateSource();
 168     }
 169   }
 170
 171   MarkReady();
 172
 173   return true;
 174 }
 175
 176 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 177 {
 178   ReplaceHandler(false);
 179   MarkBusy();
 180   return m_handler;
 181 }
 182
 183 bool CCECBusDevice::HandleCommand(const cec_command &command)
 184 {
 185   bool bHandled(false);
 186
 187   /* update "last active" */
 188   {
 189     CLockObject lock(m_mutex);
 190     m_iLastActive = GetTimeMs();
 191     MarkBusy();
 192   }
 193
 194   /* handle the command */
 195   bHandled = m_handler->HandleCommand(command);
 196
 197   /* change status to present */
 198   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST && command.opcode_set == 1)
 199   {
 200     CLockObject lock(m_mutex);
 201     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 202     {
 203       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 204         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 205       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 206     }
 207   }
 208
 209   MarkReady();
 210   return bHandled;
 211 }
 212
 213 const char* CCECBusDevice::GetLogicalAddressName(void) const
 214 {
 215   return ToString(m_iLogicalAddress);
 216 }
 217
 218 bool CCECBusDevice::IsPresent(void)
 219 {
 220   CLockObject lock(m_mutex);
 221   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 222 }
 223
 224 bool CCECBusDevice::IsHandledByLibCEC(void)
 225 {
 226   CLockObject lock(m_mutex);
 227   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 228 }
 229
 230 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 231 {
 232   // some commands should never be marked as unsupported
 233   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 234       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 235       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 236       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 237       opcode == CEC_OPCODE_ABORT ||
 238       opcode == CEC_OPCODE_FEATURE_ABORT ||
 239       opcode == CEC_OPCODE_NONE ||
 240       opcode == CEC_OPCODE_USER_CONTROL_PRESSED ||
 241       opcode == CEC_OPCODE_USER_CONTROL_RELEASE)
 242     return;
 243
 244   {
 245     CLockObject lock(m_mutex);
 246     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 247     {
 248       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 249       m_unsupportedFeatures.insert(opcode);
 250     }
 251   }
 252
 253   // signal threads that are waiting for a reponse
 254   MarkBusy();
 255   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 256   MarkReady();
 257 }
 258
 259 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 260 {
 261   CLockObject lock(m_mutex);
 262   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 263   if (bUnsupported)
 264     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 265   return bUnsupported;
 266 }
 267
 268 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 269 {
 270   MarkBusy();
 271   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 272   MarkReady();
 273   return bReturn;
 274 }
 275
 276 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 277 {
 278   MarkBusy();
 279   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 280   MarkReady();
 281   return bReturn;
 282 }
 283
 284 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 285 {
 286   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 287   bool bRequestUpdate(false);
 288   {
 289     CLockObject lock(m_mutex);
 290     bRequestUpdate = bIsPresent &&
 291         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 292   }
 293
 294   if (bRequestUpdate)
 295   {
 296     CheckVendorIdRequested(initiator);
 297     RequestCecVersion(initiator);
 298   }
 299
 300   CLockObject lock(m_mutex);
 301   return m_cecVersion;
 302 }
 303
 304 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 305 {
 306   CLockObject lock(m_mutex);
 307   if (m_cecVersion != newVersion)
 308     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 309   m_cecVersion = newVersion;
 310 }
 311
 312 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 313 {
 314   bool bReturn(false);
 315
 316   if (!IsHandledByLibCEC() &&
 317       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 318   {
 319     MarkBusy();
 320     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 321     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 322     MarkReady();
 323   }
 324   return bReturn;
 325 }
 326
 327 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 328 {
 329   cec_version version;
 330   {
 331     CLockObject lock(m_mutex);
 332     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 333     version = m_cecVersion;
 334   }
 335
 336   MarkBusy();
 337   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 338   MarkReady();
 339   return bReturn;
 340 }
 341
 342 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 343 {
 344   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 345   bool bRequestUpdate(false);
 346   {
 347     CLockObject lock(m_mutex);
 348     bRequestUpdate = (bIsPresent &&
 349         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 350   }
 351
 352   if (bRequestUpdate)
 353   {
 354     CheckVendorIdRequested(initiator);
 355     RequestMenuLanguage(initiator);
 356   }
 357
 358   CLockObject lock(m_mutex);
 359   return m_menuLanguage;
 360 }
 361
 362 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 363 {
 364   if (!strLanguage)
 365     return;
 366
 367   CLockObject lock(m_mutex);
 368   if (strcmp(strLanguage, m_menuLanguage.language))
 369   {
 370     memcpy(m_menuLanguage.language, strLanguage, 3);
 371     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 372   }
 373 }
 374
 375 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 376 {
 377   if (language.device == m_iLogicalAddress)
 378     SetMenuLanguage(language.language);
 379 }
 380
 381 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 382 {
 383   bool bReturn(false);
 384
 385   if (!IsHandledByLibCEC() &&
 386       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 387   {
 388     MarkBusy();
 389     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 390     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 391     MarkReady();
 392   }
 393   return bReturn;
 394 }
 395
 396 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 397 {
 398   bool bReturn(false);
 399   cec_menu_language language;
 400   {
 401     CLockObject lock(m_mutex);
 402     language = m_menuLanguage;
 403   }
 404
 405   char lang[4];
 406   {
 407     CLockObject lock(m_mutex);
 408     lang[0] = language.language[0];
 409     lang[1] = language.language[1];
 410     lang[2] = language.language[2];
 411     lang[3] = (char)0;
 412   }
 413
 414   MarkBusy();
 415   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 416   {
 417     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 418     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 419     bReturn = true;
 420   }
 421   else
 422   {
 423     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 424     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 425   }
 426   MarkReady();
 427   return bReturn;
 428 }
 429
 430 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 431 {
 432   bool bReturn(false);
 433   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 434   {
 435     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 436     MarkBusy();
 437     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 438     MarkReady();
 439   }
 440   return bReturn;
 441 }
 442
 443 CStdString CCECBusDevice::GetCurrentOSDName(void)
 444 {
 445   CLockObject lock(m_mutex);
 446   return m_strDeviceName;
 447 }
 448
 449 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 450 {
 451   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 452   bool bRequestUpdate(false);
 453   {
 454     CLockObject lock(m_mutex);
 455     bRequestUpdate = bIsPresent &&
 456         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 457         m_type != CEC_DEVICE_TYPE_TV;
 458   }
 459
 460   if (bRequestUpdate)
 461   {
 462     CheckVendorIdRequested(initiator);
 463     RequestOSDName(initiator);
 464   }
 465
 466   CLockObject lock(m_mutex);
 467   return m_strDeviceName;
 468 }
 469
 470 void CCECBusDevice::SetOSDName(CStdString strName)
 471 {
 472   CLockObject lock(m_mutex);
 473   if (m_strDeviceName != strName)
 474   {
 475     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 476     m_strDeviceName = strName;
 477   }
 478 }
 479
 480 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 481 {
 482   bool bReturn(false);
 483
 484   if (!IsHandledByLibCEC() &&
 485       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 486   {
 487     MarkBusy();
 488     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 489     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 490     MarkReady();
 491   }
 492   return bReturn;
 493 }
 494
 495 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 496 {
 497   CStdString strDeviceName;
 498   {
 499     CLockObject lock(m_mutex);
 500     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 501     strDeviceName = m_strDeviceName;
 502   }
 503
 504   MarkBusy();
 505   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 506   MarkReady();
 507   return bReturn;
 508 }
 509
 510 bool CCECBusDevice::HasValidPhysicalAddress(void)
 511 {
 512   CLockObject lock(m_mutex);
 513   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 514 }
 515
 516 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 517 {
 518   CLockObject lock(m_mutex);
 519   return m_iPhysicalAddress;
 520 }
 521
 522 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 523 {
 524   if (!bSuppressUpdate)
 525   {
 526     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 527     bool bRequestUpdate(false);
 528     {
 529       CLockObject lock(m_mutex);
 530       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 531     }
 532
 533     if (bRequestUpdate)
 534     {
 535       CheckVendorIdRequested(initiator);
 536       if (!RequestPhysicalAddress(initiator))
 537         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 538     }
 539   }
 540
 541   CLockObject lock(m_mutex);
 542   return m_iPhysicalAddress;
 543 }
 544
 545 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 546 {
 547   CLockObject lock(m_mutex);
 548   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 549   {
 550     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 551     m_iPhysicalAddress = iNewAddress;
 552   }
 553   return true;
 554 }
 555
 556 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 557 {
 558   bool bReturn(false);
 559
 560   if (!IsHandledByLibCEC())
 561   {
 562     MarkBusy();
 563     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 564     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 565     MarkReady();
 566   }
 567   return bReturn;
 568 }
 569
 570 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 571 {
 572   uint16_t iPhysicalAddress;
 573   cec_device_type type;
 574   {
 575     CLockObject lock(m_mutex);
 576     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 577       return false;
 578
 579     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 580     iPhysicalAddress = m_iPhysicalAddress;
 581     type = m_type;
 582   }
 583
 584   MarkBusy();
 585   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 586   MarkReady();
 587   return bReturn;
 588 }
 589
 590 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 591 {
 592   CLockObject lock(m_mutex);
 593   return m_powerStatus;
 594 }
 595
 596 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 597 {
 598   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 599   bool bRequestUpdate(false);
 600   {
 601     CLockObject lock(m_mutex);
 602     bRequestUpdate = (bIsPresent &&
 603         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 604             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 605             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 606             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 607   }
 608
 609   if (bRequestUpdate)
 610   {
 611     CheckVendorIdRequested(initiator);
 612     RequestPowerStatus(initiator);
 613   }
 614
 615   CLockObject lock(m_mutex);
 616   return m_powerStatus;
 617 }
 618
 619 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 620 {
 621   CLockObject lock(m_mutex);
 622   if (m_powerStatus != powerStatus)
 623   {
 624     m_iLastPowerStateUpdate = GetTimeMs();
 625     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 626     m_powerStatus = powerStatus;
 627   }
 628 }
 629
 630 void CCECBusDevice::OnImageViewOnSent(bool bSentByLibCEC)
 631 {
 632   CLockObject lock(m_mutex);
 633   m_bImageViewOnSent = bSentByLibCEC;
 634
 635   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 636   {
 637     m_iLastPowerStateUpdate = GetTimeMs();
 638     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));
 639     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 640   }
 641 }
 642
 643 bool CCECBusDevice::ImageViewOnSent(void)
 644 {
 645   CLockObject lock(m_mutex);
 646   return m_bImageViewOnSent;
 647 }
 648
 649 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 650 {
 651   bool bReturn(false);
 652
 653   if (!IsHandledByLibCEC() &&
 654       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 655   {
 656     MarkBusy();
 657     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 658     if (!bReturn)
 659       SetPowerStatus(CEC_POWER_STATUS_UNKNOWN);
 660     MarkReady();
 661   }
 662   return bReturn;
 663 }
 664
 665 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 666 {
 667   cec_power_status state;
 668   {
 669     CLockObject lock(m_mutex);
 670     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 671     state = m_powerStatus;
 672   }
 673
 674   MarkBusy();
 675   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 676   MarkReady();
 677   return bReturn;
 678 }
 679
 680 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 681 {
 682   CLockObject lock(m_mutex);
 683   return m_vendor;
 684 }
 685
 686 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 687 {
 688   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 689   bool bRequestUpdate(false);
 690   {
 691     CLockObject lock(m_mutex);
 692     bRequestUpdate = (bIsPresent &&
 693         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 694   }
 695
 696   if (bRequestUpdate)
 697     RequestVendorId(initiator);
 698
 699   CLockObject lock(m_mutex);
 700   return m_vendor;
 701 }
 702
 703 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 704 {
 705   return ToString(GetVendorId(initiator, bUpdate));
 706 }
 707
 708 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 709 {
 710   bool bVendorChanged(false);
 711
 712   {
 713     CLockObject lock(m_mutex);
 714     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 715     m_vendor = (cec_vendor_id)iVendorId;
 716   }
 717
 718   if (bVendorChanged)
 719     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 720
 721   return bVendorChanged;
 722 }
 723
 724 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 725 {
 726   bool bReturn(false);
 727
 728   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 729   {
 730     MarkBusy();
 731     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 732     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 733     MarkReady();
 734
 735     if (bWaitForResponse)
 736       ReplaceHandler(true);
 737   }
 738   return bReturn;
 739 }
 740
 741 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 742 {
 743   bool bReturn(false);
 744   uint64_t iVendorId;
 745   {
 746     CLockObject lock(m_mutex);
 747     iVendorId = (uint64_t)m_vendor;
 748   }
 749
 750   MarkBusy();
 751   if (iVendorId == CEC_VENDOR_UNKNOWN)
 752   {
 753     if (bSendAbort)
 754     {
 755       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 756       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 757       bReturn = true;
 758     }
 759   }
 760   else
 761   {
 762     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);
 763     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, destination, iVendorId, bIsReply);
 764   }
 765   MarkReady();
 766   return bReturn;
 767 }
 768
 769 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 770 {
 771   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 772     return CEC_DEVICE_STATUS_NOT_PRESENT;
 773
 774   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 775   bool bNeedsPoll(false);
 776
 777   {
 778     CLockObject lock(m_mutex);
 779     status = m_deviceStatus;
 780     bNeedsPoll = !bSuppressPoll &&
 781         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 782             // poll forced
 783             (bForcePoll ||
 784             // don't know the status
 785             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 786             // always poll the TV if it's marked as not present
 787             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 788   }
 789
 790   if (bNeedsPoll)
 791   {
 792     bool bPollAcked(false);
 793     if (bNeedsPoll)
 794       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 795
 796     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 797     SetDeviceStatus(status);
 798   }
 799
 800   return status;
 801 }
 802
 803 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 804 {
 805   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 806     return;
 807
 808   {
 809     CLockObject lock(m_mutex);
 810     switch (newStatus)
 811     {
 812     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 813       if (m_deviceStatus != newStatus)
 814         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 815       SetPowerStatus   (CEC_POWER_STATUS_ON);
 816       SetVendorId      (CEC_VENDOR_UNKNOWN);
 817       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 818       SetCecVersion    (libCECSpecVersion);
 819       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 820       MarkAsInactiveSource();
 821       m_iLastActive   = 0;
 822       m_deviceStatus  = newStatus;
 823       break;
 824     case CEC_DEVICE_STATUS_PRESENT:
 825       if (m_deviceStatus != newStatus)
 826         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 827       m_deviceStatus = newStatus;
 828       m_iLastActive = GetTimeMs();
 829       break;
 830     case CEC_DEVICE_STATUS_NOT_PRESENT:
 831       if (m_deviceStatus != newStatus)
 832       {
 833         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 834         ResetDeviceStatus(true);
 835         m_deviceStatus = newStatus;
 836       }
 837       break;
 838     default:
 839       ResetDeviceStatus();
 840       break;
 841     }
 842   }
 843 }
 844
 845 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 846 {
 847   CLockObject lock(m_mutex);
 848   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 849   SetVendorId      (CEC_VENDOR_UNKNOWN);
 850   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 851   SetCecVersion    (CEC_VERSION_UNKNOWN);
 852   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 853   SetOSDName       (ToString(m_iLogicalAddress));
 854   MarkAsInactiveSource(bClientUnregistered);
 855
 856   m_iLastActive = 0;
 857   m_bVendorIdRequested = false;
 858   m_unsupportedFeatures.clear();
 859   m_waitForResponse->Clear();
 860
 861   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 862     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 863   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 864 }
 865
 866 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 867 {
 868   bool bReturn(false);
 869   cec_logical_address destination(dest);
 870   if (destination == CECDEVICE_UNKNOWN)
 871     destination = m_iLogicalAddress;
 872
 873   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 874   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 875     return bReturn;
 876
 877   MarkBusy();
 878   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 879   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 880   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 881
 882   if (bUpdateDeviceStatus)
 883     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 884
 885   MarkReady();
 886   return bReturn;
 887 }
 888
 889 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 890 {
 891   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 892   {
 893     CCECBusDevice *device = m_processor->GetDevice(destination);
 894     if (device)
 895       device->HandlePollFrom(m_iLogicalAddress);
 896   }
 897 }
 898
 899 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 900 {
 901   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 902   m_bAwaitingReceiveFailed = true;
 903 }
 904
 905 bool CCECBusDevice::HandleReceiveFailed(void)
 906 {
 907   bool bReturn = m_bAwaitingReceiveFailed;
 908   m_bAwaitingReceiveFailed = false;
 909   return bReturn;
 910 }
 911
 912 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 913 {
 914   CLockObject lock(m_mutex);
 915   return m_menuState;
 916 }
 917
 918 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 919 {
 920   CLockObject lock(m_mutex);
 921   if (m_menuState != state)
 922   {
 923     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 924     m_menuState = state;
 925   }
 926 }
 927
 928 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 929 {
 930   cec_menu_state menuState;
 931   {
 932     CLockObject lock(m_mutex);
 933     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 934     menuState = m_menuState;
 935   }
 936
 937   MarkBusy();
 938   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 939   MarkReady();
 940   return bReturn;
 941 }
 942
 943 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 944 {
 945   MarkAsActiveSource();
 946   MarkBusy();
 947   bool bReturn(true);
 948   if (iDelay == 0)
 949   {
 950     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 951     bReturn = m_handler->ActivateSource();
 952   }
 953   else
 954   {
 955     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 956     m_handler->ScheduleActivateSource(iDelay);
 957   }
 958   MarkReady();
 959   return bReturn;
 960 }
 961
 962 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 963 {
 964   bool bReturn(false);
 965
 966   if (IsHandledByLibCEC())
 967   {
 968     MarkBusy();
 969     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 970
 971     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 972     MarkReady();
 973   }
 974   return bReturn;
 975 }
 976
 977 void CCECBusDevice::MarkAsActiveSource(void)
 978 {
 979   bool bWasActivated(false);
 980
 981   // set the power status to powered on
 982   SetPowerStatus(CEC_POWER_STATUS_ON);
 983
 984   // mark this device as active source
 985   {
 986     CLockObject lock(m_mutex);
 987     if (!m_bActiveSource)
 988     {
 989       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 990       bWasActivated = true;
 991     }
 992     else
 993       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 994
 995     m_bActiveSource = true;
 996   }
 997
 998   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
 999   if (tv)
1000     tv->OnImageViewOnSent(false);
1001
1002   // mark other devices as inactive sources
1003   CECDEVICEVEC devices;
1004   m_processor->GetDevices()->Get(devices);
1005   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
1006     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
1007       (*it)->MarkAsInactiveSource();
1008
1009   if (bWasActivated)
1010   {
1011     if (IsHandledByLibCEC())
1012       m_processor->SetActiveSource(true, false);
1013     CCECClient *client = GetClient();
1014     if (client)
1015       client->SourceActivated(m_iLogicalAddress);
1016   }
1017 }
1018
1019 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1020 {
1021   bool bWasDeactivated(false);
1022   {
1023     CLockObject lock(m_mutex);
1024     if (m_bActiveSource)
1025     {
1026       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1027       bWasDeactivated = true;
1028     }
1029     m_bActiveSource = false;
1030   }
1031
1032   if (bWasDeactivated)
1033   {
1034     if (IsHandledByLibCEC())
1035       m_processor->SetActiveSource(false, bClientUnregistered);
1036     CCECClient *client = GetClient();
1037     if (client)
1038       client->SourceDeactivated(m_iLogicalAddress);
1039   }
1040 }
1041
1042 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1043 {
1044   bool bSendActiveSource(false);
1045   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1046
1047   {
1048     CLockObject lock(m_mutex);
1049     if (!HasValidPhysicalAddress())
1050     {
1051       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1052       return false;
1053     }
1054
1055     iPhysicalAddress = m_iPhysicalAddress;
1056
1057     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1058       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1059     else if (m_bActiveSource)
1060     {
1061       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1062       bSendActiveSource = true;
1063     }
1064     else
1065       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1066   }
1067
1068   bool bActiveSourceSent(false);
1069   if (bSendActiveSource)
1070   {
1071     MarkBusy();
1072     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1073     MarkReady();
1074   }
1075
1076   return bActiveSourceSent;
1077 }
1078
1079 bool CCECBusDevice::TransmitImageViewOn(void)
1080 {
1081   {
1082     CLockObject lock(m_mutex);
1083     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1084     {
1085       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1086       return false;
1087     }
1088   }
1089
1090   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1091   if (!tv)
1092   {
1093     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1094     return false;
1095   }
1096
1097   if (tv->ImageViewOnSent())
1098   {
1099     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1100     return true;
1101   }
1102
1103   bool bImageViewOnSent(false);
1104   MarkBusy();
1105   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1106   MarkReady();
1107
1108   if (bImageViewOnSent)
1109     tv->OnImageViewOnSent(true);
1110
1111   return bImageViewOnSent;
1112 }
1113
1114 bool CCECBusDevice::TransmitInactiveSource(void)
1115 {
1116   uint16_t iPhysicalAddress;
1117   {
1118     CLockObject lock(m_mutex);
1119     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1120     iPhysicalAddress = m_iPhysicalAddress;
1121   }
1122
1123   MarkBusy();
1124   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1125   MarkReady();
1126   return bReturn;
1127 }
1128
1129 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1130 {
1131   MarkBusy();
1132   bool bReturn = m_handler->ActivateSource(true);
1133   MarkReady();
1134   return bReturn;
1135 }
1136
1137 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1138 {
1139   SetPowerStatus(CEC_POWER_STATUS_ON);
1140
1141   CCECDeviceMap* map = m_processor->GetDevices();
1142   if (!map)
1143     return;
1144
1145   CCECBusDevice* newRoute = m_processor->GetDeviceByPhysicalAddress(iRoute, true);
1146   if (newRoute)
1147   {
1148     // we were made the active source, send notification
1149     if (newRoute->IsHandledByLibCEC())
1150       newRoute->ActivateSource();
1151     // another device was made active
1152     else
1153       newRoute->MarkAsActiveSource();
1154   }
1155 }
1156
1157 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1158 {
1159   if (iNewAddress != CEC_INVALID_PHYSICAL_ADDRESS)
1160     SetPowerStatus(CEC_POWER_STATUS_ON);
1161
1162   CLockObject lock(m_mutex);
1163   if (iNewAddress != m_iStreamPath)
1164   {
1165     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1166     m_iStreamPath = iNewAddress;
1167   }
1168
1169   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1170     return;
1171
1172   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1173   if (device)
1174   {
1175     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1176     device->MarkAsActiveSource();
1177
1178     // respond with an active source message if this device is handled by libCEC
1179     if (device->IsHandledByLibCEC())
1180       device->TransmitActiveSource(true);
1181   }
1182   else
1183   {
1184     // try to find the device with the old address, and mark it as inactive when found
1185     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1186     if (device)
1187       device->MarkAsInactiveSource();
1188   }
1189 }
1190
1191 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1192 {
1193   bool bReturn(false);
1194   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1195
1196   MarkBusy();
1197   cec_power_status currentStatus;
1198   if (m_iLogicalAddress == CECDEVICE_TV ||
1199       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1200         currentStatus != CEC_POWER_STATUS_ON))
1201   {
1202     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1203     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1204   }
1205   else
1206   {
1207     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1208   }
1209
1210   MarkReady();
1211   return bReturn;
1212 }
1213
1214 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1215 {
1216   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1217
1218   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1219   MarkBusy();
1220   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1221   MarkReady();
1222   return bReturn;
1223 }
1224
1225 bool CCECBusDevice::NeedsPoll(void)
1226 {
1227   bool bSendPoll(false);
1228   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1229   switch (m_iLogicalAddress)
1230   {
1231   case CECDEVICE_PLAYBACKDEVICE3:
1232     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1233     break;
1234   case CECDEVICE_PLAYBACKDEVICE2:
1235     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1236     break;
1237   case CECDEVICE_RECORDINGDEVICE3:
1238     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1239     break;
1240   case CECDEVICE_RECORDINGDEVICE2:
1241     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1242     break;
1243   case CECDEVICE_TUNER4:
1244     pollAddress = CECDEVICE_TUNER3;
1245     break;
1246   case CECDEVICE_TUNER3:
1247     pollAddress = CECDEVICE_TUNER2;
1248     break;
1249   case CECDEVICE_TUNER2:
1250     pollAddress = CECDEVICE_TUNER1;
1251     break;
1252   case CECDEVICE_AUDIOSYSTEM:
1253   case CECDEVICE_PLAYBACKDEVICE1:
1254   case CECDEVICE_RECORDINGDEVICE1:
1255   case CECDEVICE_TUNER1:
1256   case CECDEVICE_TV:
1257     bSendPoll = true;
1258     break;
1259   default:
1260     break;
1261   }
1262
1263   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1264   {
1265     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1266     if (device)
1267     {
1268       cec_bus_device_status status = device->GetStatus();
1269       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1270     }
1271     else
1272     {
1273       bSendPoll = true;
1274     }
1275   }
1276
1277   return bSendPoll;
1278 }
1279
1280 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1281 {
1282   bool bRequestVendorId(false);
1283   {
1284     CLockObject lock(m_mutex);
1285     bRequestVendorId = !m_bVendorIdRequested;
1286     m_bVendorIdRequested = true;
1287   }
1288
1289   if (bRequestVendorId)
1290   {
1291     ReplaceHandler(false);
1292     GetVendorId(initiator);
1293   }
1294 }
1295 //@}
1296
1297 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1298 {
1299   return AsAudioSystem(this);
1300 }
1301
1302 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1303 {
1304   return AsPlaybackDevice(this);
1305 }
1306
1307 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1308 {
1309   return AsRecordingDevice(this);
1310 }
1311
1312 CCECTuner *CCECBusDevice::AsTuner(void)
1313 {
1314   return AsTuner(this);
1315 }
1316
1317 CCECTV *CCECBusDevice::AsTV(void)
1318 {
1319   return AsTV(this);
1320 }
1321
1322 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1323 {
1324   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1325     return static_cast<CCECAudioSystem *>(device);
1326   return NULL;
1327 }
1328
1329 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1330 {
1331   if (device &&
1332       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1333        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1334     return static_cast<CCECPlaybackDevice *>(device);
1335   return NULL;
1336 }
1337
1338 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1339 {
1340   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1341     return static_cast<CCECRecordingDevice *>(device);
1342   return NULL;
1343 }
1344
1345 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1346 {
1347   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1348     return static_cast<CCECTuner *>(device);
1349   return NULL;
1350 }
1351
1352 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1353 {
1354   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1355     return static_cast<CCECTV *>(device);
1356   return NULL;
1357 }
1358
1359 void CCECBusDevice::MarkBusy(void)
1360 {
1361   CLockObject handlerLock(m_handlerMutex);
1362   ++m_iHandlerUseCount;
1363 }
1364
1365 void CCECBusDevice::MarkReady(void)
1366 {
1367   CLockObject handlerLock(m_handlerMutex);
1368   if (m_iHandlerUseCount > 0)
1369     --m_iHandlerUseCount;
1370 }
1371
1372 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1373 {
1374   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1375
1376   if (!TransmitPoll(m_iLogicalAddress, false))
1377   {
1378     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1379     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1380
1381     return true;
1382   }
1383
1384   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1385   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1386   return false;
1387 }
1388
1389 CCECClient *CCECBusDevice::GetClient(void)
1390 {
1391   return m_processor->GetClient(m_iLogicalAddress);
1392 }
1393
1394 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1395 {
1396   m_waitForResponse->Received(opcode);
1397 }
1398
1399 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1400 {
1401   return m_waitForResponse->Wait(opcode);
1402 }