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