src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 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 "../platform/timeutils.h"
  40
  41 using namespace CEC;
  42
  43 #define ToString(p) m_processor->ToString(p)
  44
  45 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  46   m_type(CEC_DEVICE_TYPE_RESERVED),
  47   m_iPhysicalAddress(iPhysicalAddress),
  48   m_iStreamPath(0),
  49   m_iLogicalAddress(iLogicalAddress),
  50   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  51   m_processor(processor),
  52   m_vendor(CEC_VENDOR_UNKNOWN),
  53   m_bReplaceHandler(false),
  54   m_menuState(CEC_MENU_STATE_ACTIVATED),
  55   m_bActiveSource(false),
  56   m_iLastActive(0),
  57   m_cecVersion(CEC_VERSION_UNKNOWN),
  58   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
  59   m_handlerMutex(false)
  60 {
  61   m_handler = new CCECCommandHandler(this);
  62
  63   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  64     m_menuLanguage.language[iPtr] = '?';
  65   m_menuLanguage.language[3] = 0;
  66   m_menuLanguage.device = iLogicalAddress;
  67
  68   m_strDeviceName = ToString(m_iLogicalAddress);
  69 }
  70
  71 CCECBusDevice::~CCECBusDevice(void)
  72 {
  73   delete m_handler;
  74 }
  75
  76 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  77 {
  78   m_processor->AddLog(level, strMessage);
  79 }
  80
  81 bool CCECBusDevice::HandleCommand(const cec_command &command)
  82 {
  83   bool bHandled(false);
  84
  85   /* update "last active" */
  86   {
  87     CLockObject lock(&m_mutex);
  88     m_iLastActive = GetTimeMs();
  89
  90     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  91       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
  92   }
  93
  94   /* handle the command */
  95   bHandled = m_handler->HandleCommand(command);
  96
  97   /* change status to present */
  98   if (bHandled)
  99   {
 100     CLockObject lock(&m_mutex);
 101     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 102     {
 103       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 104       {
 105         CStdString strLog;
 106         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 107         AddLog(CEC_LOG_DEBUG, strLog);
 108       }
 109       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 110     }
 111   }
 112
 113   return bHandled;
 114 }
 115
 116 bool CCECBusDevice::PowerOn(void)
 117 {
 118   CStdString strLog;
 119   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 120   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 121
 122   if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
 123   {
 124     {
 125       CLockObject lock(&m_mutex);
 126 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 127       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 128     }
 129 //    cec_power_status status = GetPowerStatus();
 130 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 131 //    {
 132 //      /* sending the normal power on command appears to have failed */
 133 //      CStdString strLog;
 134 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 135 //      AddLog(CEC_LOG_DEBUG, strLog.c_str());
 136 //
 137 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 138 //      return TransmitKeyRelease();
 139 //    }
 140     return true;
 141   }
 142
 143   return false;
 144 }
 145
 146 bool CCECBusDevice::Standby(void)
 147 {
 148   CStdString strLog;
 149   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 150   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 151
 152   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 153 }
 154
 155 /** @name Getters */
 156 //@{
 157 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 158 {
 159   CLockObject lock(&m_mutex);
 160   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 161       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN))
 162     RequestCecVersion();
 163
 164   return m_cecVersion;
 165 }
 166
 167 bool CCECBusDevice::RequestCecVersion(void)
 168 {
 169   bool bReturn(false);
 170
 171   if (!MyLogicalAddressContains(m_iLogicalAddress))
 172   {
 173     CStdString strLog;
 174     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 175     AddLog(CEC_LOG_NOTICE, strLog);
 176
 177     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 178   }
 179   return bReturn;
 180 }
 181
 182 const char* CCECBusDevice::GetLogicalAddressName(void) const
 183 {
 184   return ToString(m_iLogicalAddress);
 185 }
 186
 187 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 188 {
 189   CLockObject lock(&m_mutex);
 190   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 191       (bUpdate || !strcmp(m_menuLanguage.language, "???")))
 192     RequestMenuLanguage();
 193
 194   return m_menuLanguage;
 195 }
 196
 197 bool CCECBusDevice::RequestMenuLanguage(void)
 198 {
 199   bool bReturn(false);
 200
 201   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 202       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 203   {
 204     CStdString strLog;
 205     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 206     AddLog(CEC_LOG_NOTICE, strLog);
 207     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 208   }
 209   return bReturn;
 210 }
 211
 212 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 213 {
 214   return m_processor->GetLogicalAddress();
 215 }
 216
 217 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 218 {
 219   return m_processor->GetPhysicalAddress();
 220 }
 221
 222 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 223 {
 224   CLockObject lock(&m_mutex);
 225   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 226       (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 227       m_type != CEC_DEVICE_TYPE_TV)
 228     RequestOSDName();
 229
 230   return m_strDeviceName;
 231 }
 232
 233 bool CCECBusDevice::RequestOSDName(void)
 234 {
 235   bool bReturn(false);
 236
 237   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 238       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 239   {
 240     CStdString strLog;
 241     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 242     AddLog(CEC_LOG_NOTICE, strLog);
 243     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 244   }
 245   return bReturn;
 246 }
 247
 248 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 249 {
 250   CLockObject lock(&m_mutex);
 251   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 252       (m_iPhysicalAddress == 0xFFFF || bUpdate))
 253   {
 254     if (!RequestPhysicalAddress())
 255       AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 256   }
 257
 258   return m_iPhysicalAddress;
 259 }
 260
 261 bool CCECBusDevice::RequestPhysicalAddress(void)
 262 {
 263   bool bReturn(false);
 264
 265   if (!MyLogicalAddressContains(m_iLogicalAddress))
 266   {
 267     CStdString strLog;
 268     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 269     AddLog(CEC_LOG_NOTICE, strLog);
 270     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 271   }
 272   return bReturn;
 273 }
 274
 275 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 276 {
 277   CLockObject lock(&m_mutex);
 278   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 279       (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN))
 280     RequestPowerStatus();
 281
 282   return m_powerStatus;
 283 }
 284
 285 bool CCECBusDevice::RequestPowerStatus(void)
 286 {
 287   bool bReturn(false);
 288
 289   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 290       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 291   {
 292     CStdString strLog;
 293     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 294     AddLog(CEC_LOG_NOTICE, strLog);
 295     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 296   }
 297   return bReturn;
 298 }
 299
 300 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 301 {
 302   CLockObject lock(&m_mutex);
 303   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 304       (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN))
 305     RequestVendorId();
 306
 307   return m_vendor;
 308 }
 309
 310 bool CCECBusDevice::RequestVendorId(void)
 311 {
 312   bool bReturn(false);
 313
 314   if (!MyLogicalAddressContains(m_iLogicalAddress))
 315   {
 316     CStdString strLog;
 317     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 318     AddLog(CEC_LOG_NOTICE, strLog);
 319     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 320   }
 321   return bReturn;
 322 }
 323
 324 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 325 {
 326   return ToString(GetVendorId(bUpdate));
 327 }
 328
 329 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 330 {
 331   return m_processor->HasLogicalAddress(address);
 332 }
 333
 334 bool CCECBusDevice::NeedsPoll(void)
 335 {
 336   bool bSendPoll(false);
 337   switch (m_iLogicalAddress)
 338   {
 339   case CECDEVICE_PLAYBACKDEVICE3:
 340     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 341       bSendPoll = true;
 342     break;
 343   case CECDEVICE_PLAYBACKDEVICE2:
 344     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 345       bSendPoll = true;
 346     break;
 347   case CECDEVICE_RECORDINGDEVICE3:
 348     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 349       bSendPoll = true;
 350     break;
 351   case CECDEVICE_RECORDINGDEVICE2:
 352     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 353       bSendPoll = true;
 354     break;
 355   case CECDEVICE_TUNER4:
 356     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 357       bSendPoll = true;
 358     break;
 359   case CECDEVICE_TUNER3:
 360     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 361       bSendPoll = true;
 362     break;
 363   case CECDEVICE_TUNER2:
 364     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 365       bSendPoll = true;
 366     break;
 367   case CECDEVICE_AUDIOSYSTEM:
 368   case CECDEVICE_PLAYBACKDEVICE1:
 369   case CECDEVICE_RECORDINGDEVICE1:
 370   case CECDEVICE_TUNER1:
 371   case CECDEVICE_TV:
 372     bSendPoll = true;
 373     break;
 374   default:
 375     break;
 376   }
 377
 378   return bSendPoll;
 379 }
 380
 381 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 382 {
 383   CLockObject lock(&m_mutex);
 384   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 385       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 386   {
 387     lock.Leave();
 388     bool bPollAcked(false);
 389     if (bForcePoll || NeedsPoll())
 390       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 391
 392     lock.Lock();
 393     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 394   }
 395
 396   return m_deviceStatus;
 397 }
 398
 399 //@}
 400
 401 /** @name Setters */
 402 //@{
 403 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 404 {
 405   m_cecVersion = newVersion;
 406
 407   CStdString strLog;
 408   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 409   AddLog(CEC_LOG_DEBUG, strLog);
 410 }
 411
 412 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 413 {
 414   CLockObject lock(&m_mutex);
 415   if (language.device == m_iLogicalAddress)
 416   {
 417     CStdString strLog;
 418     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 419     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 420     m_menuLanguage = language;
 421   }
 422 }
 423
 424 void CCECBusDevice::SetOSDName(CStdString strName)
 425 {
 426   CLockObject lock(&m_mutex);
 427   if (m_strDeviceName != strName)
 428   {
 429     CStdString strLog;
 430     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 431     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 432     m_strDeviceName = strName;
 433   }
 434 }
 435
 436 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 437 {
 438   CLockObject lock(&m_mutex);
 439   if (m_menuState != state)
 440   {
 441     CStdString strLog;
 442     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 443     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 444     m_menuState = state;
 445   }
 446 }
 447
 448 void CCECBusDevice::SetInactiveSource(void)
 449 {
 450   {
 451     CLockObject lock(&m_mutex);
 452     m_bActiveSource = false;
 453   }
 454
 455   if (MyLogicalAddressContains(m_iLogicalAddress))
 456     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 457 }
 458
 459 void CCECBusDevice::SetActiveSource(void)
 460 {
 461   CLockObject lock(&m_mutex);
 462
 463   for (int iPtr = 0; iPtr < 16; iPtr++)
 464     if (iPtr != m_iLogicalAddress)
 465       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 466
 467   m_bActiveSource = true;
 468   m_powerStatus   = CEC_POWER_STATUS_ON;
 469 }
 470
 471 bool CCECBusDevice::TryLogicalAddress(void)
 472 {
 473   CStdString strLog;
 474   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 475   AddLog(CEC_LOG_DEBUG, strLog);
 476
 477   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 478   if (!TransmitPoll(m_iLogicalAddress))
 479   {
 480     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 481     AddLog(CEC_LOG_NOTICE, strLog);
 482     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 483
 484     return true;
 485   }
 486
 487   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 488   AddLog(CEC_LOG_DEBUG, strLog);
 489   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 490   return false;
 491 }
 492
 493 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 494 {
 495   CLockObject lock(&m_mutex);
 496   switch (newStatus)
 497   {
 498   case CEC_DEVICE_STATUS_UNKNOWN:
 499     m_iStreamPath      = 0;
 500     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 501     m_vendor           = CEC_VENDOR_UNKNOWN;
 502     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 503     m_bActiveSource    = false;
 504     m_iLastActive      = 0;
 505     m_cecVersion       = CEC_VERSION_UNKNOWN;
 506     m_deviceStatus     = newStatus;
 507     break;
 508   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 509     m_iStreamPath      = 0;
 510     m_powerStatus      = CEC_POWER_STATUS_ON;
 511     m_vendor           = CEC_VENDOR_UNKNOWN;
 512     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 513     m_bActiveSource    = false;
 514     m_iLastActive      = 0;
 515     m_cecVersion       = CEC_VERSION_1_3A;
 516     m_deviceStatus     = newStatus;
 517     break;
 518   case CEC_DEVICE_STATUS_PRESENT:
 519   case CEC_DEVICE_STATUS_NOT_PRESENT:
 520     m_deviceStatus = newStatus;
 521     break;
 522   }
 523 }
 524
 525 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 526 {
 527   CLockObject lock(&m_mutex);
 528   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 529   {
 530     CStdString strLog;
 531     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 532     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 533
 534     m_iPhysicalAddress = iNewAddress;
 535   }
 536 }
 537
 538 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 539 {
 540   CLockObject lock(&m_mutex);
 541   if (iNewAddress > 0)
 542   {
 543     CStdString strLog;
 544     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 545     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 546
 547     m_iStreamPath = iNewAddress;
 548
 549     if (iNewAddress > 0)
 550     {
 551       lock.Leave();
 552       SetPowerStatus(CEC_POWER_STATUS_ON);
 553     }
 554   }
 555 }
 556
 557 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 558 {
 559   CLockObject lock(&m_mutex);
 560   if (m_powerStatus != powerStatus)
 561   {
 562     CStdString strLog;
 563     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 564     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 565     m_powerStatus = powerStatus;
 566   }
 567 }
 568
 569 bool CCECBusDevice::ReplaceHandler(bool bInitHandler /* = true */)
 570 {
 571   CLockObject lock(&m_mutex);
 572   CLockObject handlerLock(&m_handlerMutex);
 573
 574   if (m_vendor != m_handler->GetVendorId())
 575   {
 576     if (m_handler->InUse())
 577       return false;
 578
 579     delete m_handler;
 580
 581     switch (m_vendor)
 582     {
 583     case CEC_VENDOR_SAMSUNG:
 584       m_handler = new CANCommandHandler(this);
 585       break;
 586     case CEC_VENDOR_LG:
 587       m_handler = new CSLCommandHandler(this);
 588       break;
 589     case CEC_VENDOR_PANASONIC:
 590       m_handler = new CVLCommandHandler(this);
 591       break;
 592     default:
 593       m_handler = new CCECCommandHandler(this);
 594       break;
 595     }
 596
 597     if (bInitHandler && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
 598       m_handler->InitHandler();
 599   }
 600
 601   return true;
 602 }
 603
 604 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 605 {
 606   bool bVendorChanged(false);
 607
 608   {
 609     CLockObject lock(&m_mutex);
 610     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 611     m_vendor = (cec_vendor_id)iVendorId;
 612     ReplaceHandler(bInitHandler);
 613   }
 614
 615   CStdString strLog;
 616   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 617   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 618
 619   return bVendorChanged;
 620 }
 621 //@}
 622
 623 /** @name Transmit methods */
 624 //@{
 625 bool CCECBusDevice::TransmitActiveSource(void)
 626 {
 627   bool bSendActiveSource(false);
 628
 629   {
 630     CLockObject lock(&m_mutex);
 631     if (m_powerStatus != CEC_POWER_STATUS_ON)
 632     {
 633       CStdString strLog;
 634       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 635       AddLog(CEC_LOG_DEBUG, strLog);
 636     }
 637     else if (m_bActiveSource)
 638     {
 639       CStdString strLog;
 640       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 641       AddLog(CEC_LOG_NOTICE, strLog);
 642       bSendActiveSource = true;
 643     }
 644     else
 645     {
 646       CStdString strLog;
 647       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 648       AddLog(CEC_LOG_DEBUG, strLog);
 649     }
 650   }
 651
 652   if (bSendActiveSource)
 653   {
 654     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 655     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 656     return true;
 657   }
 658
 659   return false;
 660 }
 661
 662 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 663 {
 664   cec_version version;
 665   {
 666     CLockObject lock(&m_mutex);
 667     CStdString strLog;
 668     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 669     AddLog(CEC_LOG_NOTICE, strLog);
 670     version = m_cecVersion;
 671   }
 672
 673   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 674 }
 675
 676 bool CCECBusDevice::TransmitInactiveSource(void)
 677 {
 678   uint16_t iPhysicalAddress;
 679   {
 680     CLockObject lock(&m_mutex);
 681     CStdString strLog;
 682     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 683     AddLog(CEC_LOG_NOTICE, strLog);
 684     iPhysicalAddress = m_iPhysicalAddress;
 685   }
 686
 687   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 688 }
 689
 690 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 691 {
 692   cec_menu_state menuState;
 693   {
 694     CLockObject lock(&m_mutex);
 695     CStdString strLog;
 696     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 697     AddLog(CEC_LOG_NOTICE, strLog);
 698     menuState = m_menuState;
 699   }
 700
 701   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 702 }
 703
 704 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 705 {
 706   CStdString strDeviceName;
 707   {
 708     CLockObject lock(&m_mutex);
 709     CStdString strLog;
 710     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 711     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 712     strDeviceName = m_strDeviceName;
 713   }
 714
 715   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 716 }
 717
 718 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 719 {
 720   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 721   {
 722     CStdString strLog;
 723     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 724     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 725
 726     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 727   }
 728   return false;
 729 }
 730
 731 bool CCECBusDevice::TransmitPhysicalAddress(void)
 732 {
 733   uint16_t iPhysicalAddress;
 734   cec_device_type type;
 735   {
 736     CLockObject lock(&m_mutex);
 737     if (m_iPhysicalAddress == 0xffff)
 738       return false;
 739
 740     CStdString strLog;
 741     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 742     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 743
 744     iPhysicalAddress = m_iPhysicalAddress;
 745     type = m_type;
 746   }
 747
 748   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 749 }
 750
 751 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 752 {
 753   bool bReturn(false);
 754   if (dest == CECDEVICE_UNKNOWN)
 755     dest = m_iLogicalAddress;
 756
 757   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 758   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 759     return bReturn;
 760
 761   CStdString strLog;
 762   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 763   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 764   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 765   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 766
 767   CLockObject lock(&m_mutex);
 768   if (bReturn)
 769   {
 770     m_iLastActive = GetTimeMs();
 771     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 772   }
 773   else
 774     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 775
 776   return bReturn;
 777 }
 778
 779 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 780 {
 781   cec_power_status state;
 782   {
 783     CLockObject lock(&m_mutex);
 784     CStdString strLog;
 785     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 786     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 787     state = m_powerStatus;
 788   }
 789
 790   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 791 }
 792
 793 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 794 {
 795   uint64_t iVendorId;
 796   {
 797     CLockObject lock(&m_mutex);
 798     iVendorId = (uint64_t)m_vendor;
 799   }
 800
 801   if (iVendorId == CEC_VENDOR_UNKNOWN)
 802   {
 803     if (bSendAbort)
 804     {
 805       CStdString strLog;
 806       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 807       AddLog(CEC_LOG_NOTICE, strLog);
 808
 809       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 810     }
 811     return false;
 812   }
 813   else
 814   {
 815     CStdString strLog;
 816     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 817     AddLog(CEC_LOG_NOTICE, strLog);
 818
 819     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 820   }
 821 }
 822
 823 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 824 {
 825   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 826 }
 827
 828 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 829 {
 830   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 831 }
 832
 833 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 834 {
 835   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 836 }
 837
 838 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 839 {
 840   m_unsupportedFeatures.insert(opcode);
 841 }
 842
 843 bool CCECBusDevice::InitHandler(void)
 844 {
 845   CLockObject lock(&m_mutex);
 846   return m_handler->InitHandler();
 847 }
 848
 849 //@}