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 "CECBusDevice.h"
  34 #include "../CECProcessor.h"
  35 #include "../implementations/ANCommandHandler.h"
  36 #include "../implementations/CECCommandHandler.h"
  37 #include "../implementations/SLCommandHandler.h"
  38 #include "../implementations/VLCommandHandler.h"
  39 #include "../LibCEC.h"
  40 #include "../platform/util/timeutils.h"
  41
  42 using namespace CEC;
  43 using namespace PLATFORM;
  44
  45 #define ToString(p) m_processor->ToString(p)
  46
  47 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  48   m_type(CEC_DEVICE_TYPE_RESERVED),
  49   m_iPhysicalAddress(iPhysicalAddress),
  50   m_iStreamPath(0),
  51   m_iLogicalAddress(iLogicalAddress),
  52   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  53   m_processor(processor),
  54   m_vendor(CEC_VENDOR_UNKNOWN),
  55   m_bReplaceHandler(false),
  56   m_menuState(CEC_MENU_STATE_ACTIVATED),
  57   m_bActiveSource(false),
  58   m_iLastActive(0),
  59   m_iLastPowerStateUpdate(0),
  60   m_cecVersion(CEC_VERSION_UNKNOWN),
  61   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
  62   m_iHandlerUseCount(0),
  63   m_bAwaitingReceiveFailed(false)
  64 {
  65   m_handler = new CCECCommandHandler(this);
  66
  67   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  68     m_menuLanguage.language[iPtr] = '?';
  69   m_menuLanguage.language[3] = 0;
  70   m_menuLanguage.device = iLogicalAddress;
  71
  72   m_strDeviceName = ToString(m_iLogicalAddress);
  73 }
  74
  75 CCECBusDevice::~CCECBusDevice(void)
  76 {
  77   delete m_handler;
  78 }
  79
  80 bool CCECBusDevice::HandleCommand(const cec_command &command)
  81 {
  82   bool bHandled(false);
  83
  84   /* update "last active" */
  85   {
  86     CLockObject lock(m_mutex);
  87     m_iLastActive = GetTimeMs();
  88
  89     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  90       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  91
  92     MarkBusy();
  93   }
  94
  95   /* handle the command */
  96   bHandled = m_handler->HandleCommand(command);
  97
  98   /* change status to present */
  99   if (bHandled)
 100   {
 101     CLockObject lock(m_mutex);
 102     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 103     {
 104       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 105         CLibCEC::AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 106       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 107     }
 108   }
 109
 110   MarkReady();
 111   return bHandled;
 112 }
 113
 114 bool CCECBusDevice::PowerOn(void)
 115 {
 116   bool bReturn(false);
 117   GetVendorId(); // ensure that we got the vendor id
 118
 119   MarkBusy();
 120   CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 121   if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
 122   {
 123     {
 124 //      CLockObject lock(m_mutex);
 125 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 126       SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 127     }
 128 //    cec_power_status status = GetPowerStatus();
 129 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 130 //    {
 131 //      /* sending the normal power on command appears to have failed */
 132 //      CStdString strLog;
 133 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 134 //      CLibCEC::AddLog(CEC_LOG_DEBUG, strLog.c_str());
 135 //
 136 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 137 //      return TransmitKeyRelease();
 138 //    }
 139     bReturn = true;
 140   }
 141
 142   MarkReady();
 143   return bReturn;
 144 }
 145
 146 bool CCECBusDevice::Standby(void)
 147 {
 148   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 149   MarkBusy();
 150   bool bReturn = m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 151   MarkReady();
 152   return bReturn;
 153 }
 154
 155 /** @name Getters */
 156 //@{
 157 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 158 {
 159   bool bRequestUpdate(false);
 160   {
 161     CLockObject lock(m_mutex);
 162     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 163       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
 164   }
 165
 166   if (bRequestUpdate)
 167     RequestCecVersion();
 168
 169   CLockObject lock(m_mutex);
 170   return m_cecVersion;
 171 }
 172
 173 bool CCECBusDevice::RequestCecVersion(void)
 174 {
 175   bool bReturn(false);
 176
 177   if (!MyLogicalAddressContains(m_iLogicalAddress))
 178   {
 179     MarkBusy();
 180     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 181
 182     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 183     MarkReady();
 184   }
 185   return bReturn;
 186 }
 187
 188 const char* CCECBusDevice::GetLogicalAddressName(void) const
 189 {
 190   return ToString(m_iLogicalAddress);
 191 }
 192
 193 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 194 {
 195   bool bRequestUpdate(false);
 196   {
 197     CLockObject lock(m_mutex);
 198     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 199         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 200   }
 201
 202   if (bRequestUpdate)
 203     RequestMenuLanguage();
 204
 205   CLockObject lock(m_mutex);
 206   return m_menuLanguage;
 207 }
 208
 209 bool CCECBusDevice::RequestMenuLanguage(void)
 210 {
 211   bool bReturn(false);
 212
 213   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 214       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 215   {
 216     MarkBusy();
 217     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 218     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 219     MarkReady();
 220   }
 221   return bReturn;
 222 }
 223
 224 cec_menu_state CCECBusDevice::GetMenuState(void)
 225 {
 226   CLockObject lock(m_mutex);
 227   return m_menuState;
 228 }
 229
 230 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 231 {
 232   return m_processor->GetLogicalAddress();
 233 }
 234
 235 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 236 {
 237   return m_processor->GetPhysicalAddress();
 238 }
 239
 240 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 241 {
 242   bool bRequestUpdate(false);
 243   {
 244     CLockObject lock(m_mutex);
 245     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 246         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 247         m_type != CEC_DEVICE_TYPE_TV);
 248   }
 249
 250   if (bRequestUpdate)
 251     RequestOSDName();
 252
 253   CLockObject lock(m_mutex);
 254   return m_strDeviceName;
 255 }
 256
 257 bool CCECBusDevice::RequestOSDName(void)
 258 {
 259   bool bReturn(false);
 260
 261   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 262       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 263   {
 264     MarkBusy();
 265     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 266     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 267     MarkReady();
 268   }
 269   return bReturn;
 270 }
 271
 272 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 273 {
 274   bool bRequestUpdate(false);
 275   {
 276     CLockObject lock(m_mutex);
 277     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 278         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 279   }
 280
 281   if (bRequestUpdate && !RequestPhysicalAddress())
 282     CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 283
 284   CLockObject lock(m_mutex);
 285   return m_iPhysicalAddress;
 286 }
 287
 288 bool CCECBusDevice::RequestPhysicalAddress(void)
 289 {
 290   bool bReturn(false);
 291
 292   if (!MyLogicalAddressContains(m_iLogicalAddress))
 293   {
 294     MarkBusy();
 295     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 296     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 297     MarkReady();
 298   }
 299   return bReturn;
 300 }
 301
 302 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 303 {
 304   bool bRequestUpdate(false);
 305   {
 306     CLockObject lock(m_mutex);
 307     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 308         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 309             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 310             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 311             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 312   }
 313
 314   if (bRequestUpdate)
 315     RequestPowerStatus();
 316
 317   CLockObject lock(m_mutex);
 318   return m_powerStatus;
 319 }
 320
 321 bool CCECBusDevice::RequestPowerStatus(void)
 322 {
 323   bool bReturn(false);
 324
 325   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 326       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 327   {
 328     MarkBusy();
 329     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 330     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 331     MarkReady();
 332   }
 333   return bReturn;
 334 }
 335
 336 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 337 {
 338   bool bRequestUpdate(false);
 339   {
 340     CLockObject lock(m_mutex);
 341     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 342         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 343   }
 344
 345   if (bRequestUpdate)
 346     RequestVendorId();
 347
 348   CLockObject lock(m_mutex);
 349   return m_vendor;
 350 }
 351
 352 bool CCECBusDevice::RequestVendorId(void)
 353 {
 354   bool bReturn(false);
 355
 356   if (!MyLogicalAddressContains(m_iLogicalAddress))
 357   {
 358     MarkBusy();
 359     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 360     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 361     MarkReady();
 362
 363     ReplaceHandler(true);
 364   }
 365   return bReturn;
 366 }
 367
 368 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 369 {
 370   return ToString(GetVendorId(bUpdate));
 371 }
 372
 373 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 374 {
 375   return m_processor->HasLogicalAddress(address);
 376 }
 377
 378 bool CCECBusDevice::NeedsPoll(void)
 379 {
 380   bool bSendPoll(false);
 381   switch (m_iLogicalAddress)
 382   {
 383   case CECDEVICE_PLAYBACKDEVICE3:
 384     {
 385       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus();
 386       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 387     }
 388     break;
 389   case CECDEVICE_PLAYBACKDEVICE2:
 390     {
 391       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus();
 392       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 393     }
 394     break;
 395   case CECDEVICE_RECORDINGDEVICE3:
 396     {
 397       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus();
 398       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 399     }
 400     break;
 401   case CECDEVICE_RECORDINGDEVICE2:
 402     {
 403       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus();
 404       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 405     }
 406     break;
 407   case CECDEVICE_TUNER4:
 408     {
 409       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus();
 410       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 411     }
 412     break;
 413   case CECDEVICE_TUNER3:
 414     {
 415       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus();
 416       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 417     }
 418     break;
 419   case CECDEVICE_TUNER2:
 420     {
 421       cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus();
 422       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 423     }
 424     break;
 425   case CECDEVICE_AUDIOSYSTEM:
 426   case CECDEVICE_PLAYBACKDEVICE1:
 427   case CECDEVICE_RECORDINGDEVICE1:
 428   case CECDEVICE_TUNER1:
 429   case CECDEVICE_TV:
 430     bSendPoll = true;
 431     break;
 432   default:
 433     break;
 434   }
 435
 436   return bSendPoll;
 437 }
 438
 439 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 440 {
 441   CLockObject lock(m_mutex);
 442   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 443       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 444   {
 445     lock.Unlock();
 446     bool bPollAcked(false);
 447     if (bForcePoll || NeedsPoll())
 448       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 449
 450     lock.Lock();
 451     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 452   }
 453
 454   return m_deviceStatus;
 455 }
 456
 457 //@}
 458
 459 /** @name Setters */
 460 //@{
 461 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 462 {
 463   m_cecVersion = newVersion;
 464   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 465 }
 466
 467 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 468 {
 469   CLockObject lock(m_mutex);
 470   if (language.device == m_iLogicalAddress)
 471   {
 472     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 473     m_menuLanguage = language;
 474   }
 475 }
 476
 477 void CCECBusDevice::SetOSDName(CStdString strName)
 478 {
 479   CLockObject lock(m_mutex);
 480   if (m_strDeviceName != strName)
 481   {
 482     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 483     m_strDeviceName = strName;
 484   }
 485 }
 486
 487 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 488 {
 489   CLockObject lock(m_mutex);
 490   if (m_menuState != state)
 491   {
 492     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 493     m_menuState = state;
 494   }
 495 }
 496
 497 void CCECBusDevice::SetInactiveSource(void)
 498 {
 499   {
 500     CLockObject lock(m_mutex);
 501     m_bActiveSource = false;
 502   }
 503
 504   if (MyLogicalAddressContains(m_iLogicalAddress))
 505     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 506 }
 507
 508 void CCECBusDevice::SetActiveSource(void)
 509 {
 510   CLockObject lock(m_mutex);
 511   if (!m_bActiveSource)
 512     CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 513
 514   for (int iPtr = 0; iPtr < 16; iPtr++)
 515     if (iPtr != m_iLogicalAddress)
 516       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 517
 518   m_bActiveSource = true;
 519   SetPowerStatus(CEC_POWER_STATUS_ON);
 520 }
 521
 522 bool CCECBusDevice::TryLogicalAddress(void)
 523 {
 524   CLibCEC::AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
 525
 526   m_processor->SetAckMask(0);
 527   if (!TransmitPoll(m_iLogicalAddress))
 528   {
 529     CLibCEC::AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
 530     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 531
 532     return true;
 533   }
 534
 535   CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
 536   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 537   return false;
 538 }
 539
 540 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 541 {
 542   CLockObject lock(m_mutex);
 543   switch (newStatus)
 544   {
 545   case CEC_DEVICE_STATUS_UNKNOWN:
 546     m_iStreamPath      = 0;
 547     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 548     m_vendor           = CEC_VENDOR_UNKNOWN;
 549     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 550     m_bActiveSource    = false;
 551     m_iLastActive      = 0;
 552     m_cecVersion       = CEC_VERSION_UNKNOWN;
 553     m_deviceStatus     = newStatus;
 554     break;
 555   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 556     m_iStreamPath      = 0;
 557     m_powerStatus      = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 558     m_vendor           = CEC_VENDOR_UNKNOWN;
 559     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 560     m_bActiveSource    = false;
 561     m_iLastActive      = 0;
 562     m_cecVersion       = CEC_VERSION_1_3A;
 563     m_deviceStatus     = newStatus;
 564     break;
 565   case CEC_DEVICE_STATUS_PRESENT:
 566   case CEC_DEVICE_STATUS_NOT_PRESENT:
 567     m_deviceStatus = newStatus;
 568     break;
 569   }
 570 }
 571
 572 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 573 {
 574   CLockObject lock(m_mutex);
 575   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 576   {
 577     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 578     m_iPhysicalAddress = iNewAddress;
 579   }
 580 }
 581
 582 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 583 {
 584   CLockObject lock(m_mutex);
 585   if (iNewAddress > 0)
 586   {
 587     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 588     m_iStreamPath = iNewAddress;
 589
 590     if (iNewAddress > 0)
 591     {
 592       lock.Unlock();
 593       SetPowerStatus(CEC_POWER_STATUS_ON);
 594     }
 595   }
 596 }
 597
 598 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 599 {
 600   CLockObject lock(m_mutex);
 601   if (m_powerStatus != powerStatus)
 602   {
 603     m_iLastPowerStateUpdate = GetTimeMs();
 604     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 605     m_powerStatus = powerStatus;
 606   }
 607 }
 608
 609 void CCECBusDevice::MarkBusy(void)
 610 {
 611   CLockObject handlerLock(m_handlerMutex);
 612   ++m_iHandlerUseCount;
 613 }
 614
 615 void CCECBusDevice::MarkReady(void)
 616 {
 617   CLockObject handlerLock(m_handlerMutex);
 618   if (m_iHandlerUseCount > 0)
 619     --m_iHandlerUseCount;
 620 }
 621
 622 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 623 {
 624   bool bInitHandler(false);
 625   {
 626     CTryLockObject lock(m_mutex);
 627     if (!lock.IsLocked())
 628       return false;
 629
 630     CLockObject handlerLock(m_handlerMutex);
 631     if (m_iHandlerUseCount > 0)
 632       return false;
 633
 634     MarkBusy();
 635
 636     if (m_vendor != m_handler->GetVendorId())
 637     {
 638       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 639       {
 640         CLibCEC::AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 641         delete m_handler;
 642
 643         switch (m_vendor)
 644         {
 645         case CEC_VENDOR_SAMSUNG:
 646           m_handler = new CANCommandHandler(this);
 647           break;
 648         case CEC_VENDOR_LG:
 649           m_handler = new CSLCommandHandler(this);
 650           break;
 651         case CEC_VENDOR_PANASONIC:
 652           m_handler = new CVLCommandHandler(this);
 653           break;
 654         default:
 655           m_handler = new CCECCommandHandler(this);
 656           break;
 657         }
 658
 659         m_handler->SetVendorId(m_vendor);
 660         bInitHandler = true;
 661       }
 662     }
 663   }
 664
 665   if (bInitHandler)
 666   {
 667     m_handler->InitHandler();
 668
 669     if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
 670       m_handler->ActivateSource();
 671   }
 672
 673   MarkReady();
 674
 675   return true;
 676 }
 677
 678 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 679 {
 680   bool bVendorChanged(false);
 681
 682   {
 683     CLockObject lock(m_mutex);
 684     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 685     m_vendor = (cec_vendor_id)iVendorId;
 686   }
 687
 688   CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 689
 690   return bVendorChanged;
 691 }
 692 //@}
 693
 694 /** @name Transmit methods */
 695 //@{
 696 bool CCECBusDevice::TransmitActiveSource(void)
 697 {
 698   bool bSendActiveSource(false);
 699
 700   {
 701     CLockObject lock(m_mutex);
 702     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 703       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 704     else if (m_bActiveSource)
 705     {
 706       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 707       bSendActiveSource = true;
 708     }
 709     else
 710       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 711   }
 712
 713   if (bSendActiveSource)
 714   {
 715     MarkBusy();
 716     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 717     MarkReady();
 718     return true;
 719   }
 720
 721   return false;
 722 }
 723
 724 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 725 {
 726   cec_version version;
 727   {
 728     CLockObject lock(m_mutex);
 729     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 730     version = m_cecVersion;
 731   }
 732
 733   MarkBusy();
 734   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 735   MarkReady();
 736   return bReturn;
 737 }
 738
 739 bool CCECBusDevice::TransmitImageViewOn(void)
 740 {
 741   {
 742     CLockObject lock(m_mutex);
 743     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 744     {
 745       CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 746       return false;
 747     }
 748   }
 749
 750   MarkBusy();
 751   m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 752   MarkReady();
 753   return true;
 754 }
 755
 756 bool CCECBusDevice::TransmitInactiveSource(void)
 757 {
 758   uint16_t iPhysicalAddress;
 759   {
 760     CLockObject lock(m_mutex);
 761     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 762     iPhysicalAddress = m_iPhysicalAddress;
 763   }
 764
 765   MarkBusy();
 766   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 767   MarkReady();
 768   return bReturn;
 769 }
 770
 771 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 772 {
 773   cec_menu_state menuState;
 774   {
 775     CLockObject lock(m_mutex);
 776     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 777     menuState = m_menuState;
 778   }
 779
 780   MarkBusy();
 781   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 782   MarkReady();
 783   return bReturn;
 784 }
 785
 786 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 787 {
 788   CStdString strDeviceName;
 789   {
 790     CLockObject lock(m_mutex);
 791     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 792     strDeviceName = m_strDeviceName;
 793   }
 794
 795   MarkBusy();
 796   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 797   MarkReady();
 798   return bReturn;
 799 }
 800
 801 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 802 {
 803   bool bReturn(false);
 804   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 805   {
 806     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 807     MarkBusy();
 808     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 809     MarkReady();
 810   }
 811   return bReturn;
 812 }
 813
 814 bool CCECBusDevice::TransmitPhysicalAddress(void)
 815 {
 816   uint16_t iPhysicalAddress;
 817   cec_device_type type;
 818   {
 819     CLockObject lock(m_mutex);
 820     if (m_iPhysicalAddress == 0xffff)
 821       return false;
 822
 823     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 824     iPhysicalAddress = m_iPhysicalAddress;
 825     type = m_type;
 826   }
 827
 828   MarkBusy();
 829   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 830   MarkReady();
 831   return bReturn;
 832 }
 833
 834 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 835 {
 836   bool bReturn(false);
 837   if (dest == CECDEVICE_UNKNOWN)
 838     dest = m_iLogicalAddress;
 839
 840   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 841   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 842     return bReturn;
 843
 844   MarkBusy();
 845   CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 846   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 847   CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 848
 849   CLockObject lock(m_mutex);
 850   if (bReturn)
 851   {
 852     m_iLastActive = GetTimeMs();
 853     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 854   }
 855   else
 856     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 857
 858   MarkReady();
 859   return bReturn;
 860 }
 861
 862 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 863 {
 864   cec_power_status state;
 865   {
 866     CLockObject lock(m_mutex);
 867     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 868     state = m_powerStatus;
 869   }
 870
 871   MarkBusy();
 872   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 873   MarkReady();
 874   return bReturn;
 875 }
 876
 877 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 878 {
 879   bool bReturn(false);
 880   uint64_t iVendorId;
 881   {
 882     CLockObject lock(m_mutex);
 883     iVendorId = (uint64_t)m_vendor;
 884   }
 885
 886   MarkBusy();
 887   if (iVendorId == CEC_VENDOR_UNKNOWN)
 888   {
 889     if (bSendAbort)
 890     {
 891       CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 892       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 893       bReturn = true;
 894     }
 895   }
 896   else
 897   {
 898     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 899     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 900   }
 901   MarkReady();
 902   return bReturn;
 903 }
 904
 905 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 906 {
 907   MarkBusy();
 908   bool bReturn = m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 909   MarkReady();
 910   return bReturn;
 911 }
 912
 913 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 914 {
 915   MarkBusy();
 916   bool bReturn = m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 917   MarkReady();
 918   return bReturn;
 919 }
 920
 921 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 922 {
 923   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 924 }
 925
 926 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 927 {
 928   m_unsupportedFeatures.insert(opcode);
 929 }
 930
 931 bool CCECBusDevice::ActivateSource(void)
 932 {
 933   MarkBusy();
 934   bool bReturn = m_handler->ActivateSource();
 935   MarkReady();
 936   return bReturn;
 937 }
 938
 939 void CCECBusDevice::HandlePoll(cec_logical_address iDestination)
 940 {
 941   CLockObject lock(m_mutex);
 942   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(m_iLogicalAddress), m_iLogicalAddress, ToString(iDestination), iDestination);
 943   m_bAwaitingReceiveFailed = true;
 944 }
 945
 946 bool CCECBusDevice::HandleReceiveFailed(void)
 947 {
 948   CLockObject lock(m_mutex);
 949   bool bReturn = m_bAwaitingReceiveFailed;
 950   m_bAwaitingReceiveFailed = false;
 951   return bReturn;
 952 }
 953
 954 //@}