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   ReplaceHandler(true);
  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       {
 106         CStdString strLog;
 107         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 108         AddLog(CEC_LOG_DEBUG, strLog);
 109       }
 110       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 111     }
 112   }
 113
 114   return bHandled;
 115 }
 116
 117 bool CCECBusDevice::PowerOn(void)
 118 {
 119   CStdString strLog;
 120   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 121   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 122
 123   if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
 124   {
 125     {
 126       CLockObject lock(&m_mutex);
 127 //      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 128       m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 129     }
 130 //    cec_power_status status = GetPowerStatus();
 131 //    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 132 //    {
 133 //      /* sending the normal power on command appears to have failed */
 134 //      CStdString strLog;
 135 //      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 136 //      AddLog(CEC_LOG_DEBUG, strLog.c_str());
 137 //
 138 //      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 139 //      return TransmitKeyRelease();
 140 //    }
 141     return true;
 142   }
 143
 144   return false;
 145 }
 146
 147 bool CCECBusDevice::Standby(void)
 148 {
 149   CStdString strLog;
 150   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 151   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 152
 153   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 154 }
 155
 156 /** @name Getters */
 157 //@{
 158 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 159 {
 160   CLockObject lock(&m_mutex);
 161   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 162       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN))
 163     RequestCecVersion();
 164
 165   return m_cecVersion;
 166 }
 167
 168 bool CCECBusDevice::RequestCecVersion(void)
 169 {
 170   bool bReturn(false);
 171
 172   if (!MyLogicalAddressContains(m_iLogicalAddress))
 173   {
 174     CStdString strLog;
 175     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 176     AddLog(CEC_LOG_NOTICE, strLog);
 177
 178     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 179   }
 180   return bReturn;
 181 }
 182
 183 const char* CCECBusDevice::GetLogicalAddressName(void) const
 184 {
 185   return ToString(m_iLogicalAddress);
 186 }
 187
 188 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 189 {
 190   CLockObject lock(&m_mutex);
 191   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 192       (bUpdate || !strcmp(m_menuLanguage.language, "???")))
 193     RequestMenuLanguage();
 194
 195   return m_menuLanguage;
 196 }
 197
 198 bool CCECBusDevice::RequestMenuLanguage(void)
 199 {
 200   bool bReturn(false);
 201
 202   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 203       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 204   {
 205     CStdString strLog;
 206     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 207     AddLog(CEC_LOG_NOTICE, strLog);
 208     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 209   }
 210   return bReturn;
 211 }
 212
 213 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 214 {
 215   return m_processor->GetLogicalAddress();
 216 }
 217
 218 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 219 {
 220   return m_processor->GetPhysicalAddress();
 221 }
 222
 223 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 224 {
 225   CLockObject lock(&m_mutex);
 226   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 227       (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 228       m_type != CEC_DEVICE_TYPE_TV)
 229     RequestOSDName();
 230
 231   return m_strDeviceName;
 232 }
 233
 234 bool CCECBusDevice::RequestOSDName(void)
 235 {
 236   bool bReturn(false);
 237
 238   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 239       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 240   {
 241     CStdString strLog;
 242     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 243     AddLog(CEC_LOG_NOTICE, strLog);
 244     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 245   }
 246   return bReturn;
 247 }
 248
 249 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 250 {
 251   CLockObject lock(&m_mutex);
 252   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 253       (m_iPhysicalAddress == 0xFFFF || bUpdate))
 254   {
 255     if (!RequestPhysicalAddress())
 256       AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 257   }
 258
 259   return m_iPhysicalAddress;
 260 }
 261
 262 bool CCECBusDevice::RequestPhysicalAddress(void)
 263 {
 264   bool bReturn(false);
 265
 266   if (!MyLogicalAddressContains(m_iLogicalAddress))
 267   {
 268     CStdString strLog;
 269     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 270     AddLog(CEC_LOG_NOTICE, strLog);
 271     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 272   }
 273   return bReturn;
 274 }
 275
 276 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 277 {
 278   CLockObject lock(&m_mutex);
 279   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 280       (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN))
 281     RequestPowerStatus();
 282
 283   return m_powerStatus;
 284 }
 285
 286 bool CCECBusDevice::RequestPowerStatus(void)
 287 {
 288   bool bReturn(false);
 289
 290   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 291       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 292   {
 293     CStdString strLog;
 294     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 295     AddLog(CEC_LOG_NOTICE, strLog);
 296     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 297   }
 298   return bReturn;
 299 }
 300
 301 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 302 {
 303   CLockObject lock(&m_mutex);
 304   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 305       (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN))
 306     RequestVendorId();
 307
 308   return m_vendor;
 309 }
 310
 311 bool CCECBusDevice::RequestVendorId(void)
 312 {
 313   bool bReturn(false);
 314
 315   if (!MyLogicalAddressContains(m_iLogicalAddress))
 316   {
 317     CStdString strLog;
 318     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 319     AddLog(CEC_LOG_NOTICE, strLog);
 320     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 321   }
 322   return bReturn;
 323 }
 324
 325 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 326 {
 327   return ToString(GetVendorId(bUpdate));
 328 }
 329
 330 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 331 {
 332   return m_processor->HasLogicalAddress(address);
 333 }
 334
 335 bool CCECBusDevice::NeedsPoll(void)
 336 {
 337   bool bSendPoll(false);
 338   switch (m_iLogicalAddress)
 339   {
 340   case CECDEVICE_PLAYBACKDEVICE3:
 341     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 342       bSendPoll = true;
 343     break;
 344   case CECDEVICE_PLAYBACKDEVICE2:
 345     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 346       bSendPoll = true;
 347     break;
 348   case CECDEVICE_RECORDINGDEVICE3:
 349     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 350       bSendPoll = true;
 351     break;
 352   case CECDEVICE_RECORDINGDEVICE2:
 353     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 354       bSendPoll = true;
 355     break;
 356   case CECDEVICE_TUNER4:
 357     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 358       bSendPoll = true;
 359     break;
 360   case CECDEVICE_TUNER3:
 361     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 362       bSendPoll = true;
 363     break;
 364   case CECDEVICE_TUNER2:
 365     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 366       bSendPoll = true;
 367     break;
 368   case CECDEVICE_AUDIOSYSTEM:
 369   case CECDEVICE_PLAYBACKDEVICE1:
 370   case CECDEVICE_RECORDINGDEVICE1:
 371   case CECDEVICE_TUNER1:
 372   case CECDEVICE_TV:
 373     bSendPoll = true;
 374     break;
 375   default:
 376     break;
 377   }
 378
 379   return bSendPoll;
 380 }
 381
 382 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 383 {
 384   CLockObject lock(&m_mutex);
 385   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 386       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 387   {
 388     lock.Leave();
 389     bool bPollAcked(false);
 390     if (bForcePoll || NeedsPoll())
 391       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 392
 393     lock.Lock();
 394     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 395   }
 396
 397   return m_deviceStatus;
 398 }
 399
 400 //@}
 401
 402 /** @name Setters */
 403 //@{
 404 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 405 {
 406   m_cecVersion = newVersion;
 407
 408   CStdString strLog;
 409   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 410   AddLog(CEC_LOG_DEBUG, strLog);
 411 }
 412
 413 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 414 {
 415   CLockObject lock(&m_mutex);
 416   if (language.device == m_iLogicalAddress)
 417   {
 418     CStdString strLog;
 419     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 420     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 421     m_menuLanguage = language;
 422   }
 423 }
 424
 425 void CCECBusDevice::SetOSDName(CStdString strName)
 426 {
 427   CLockObject lock(&m_mutex);
 428   if (m_strDeviceName != strName)
 429   {
 430     CStdString strLog;
 431     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 432     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 433     m_strDeviceName = strName;
 434   }
 435 }
 436
 437 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 438 {
 439   CLockObject lock(&m_mutex);
 440   if (m_menuState != state)
 441   {
 442     CStdString strLog;
 443     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 444     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 445     m_menuState = state;
 446   }
 447 }
 448
 449 void CCECBusDevice::SetInactiveSource(void)
 450 {
 451   {
 452     CLockObject lock(&m_mutex);
 453     m_bActiveSource = false;
 454   }
 455
 456   if (MyLogicalAddressContains(m_iLogicalAddress))
 457     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 458 }
 459
 460 void CCECBusDevice::SetActiveSource(void)
 461 {
 462   CLockObject lock(&m_mutex);
 463
 464   for (int iPtr = 0; iPtr < 16; iPtr++)
 465     if (iPtr != m_iLogicalAddress)
 466       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 467
 468   m_bActiveSource = true;
 469   m_powerStatus   = CEC_POWER_STATUS_ON;
 470 }
 471
 472 bool CCECBusDevice::TryLogicalAddress(void)
 473 {
 474   CStdString strLog;
 475   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 476   AddLog(CEC_LOG_DEBUG, strLog);
 477
 478   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 479   if (!TransmitPoll(m_iLogicalAddress))
 480   {
 481     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 482     AddLog(CEC_LOG_NOTICE, strLog);
 483     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 484
 485     return true;
 486   }
 487
 488   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 489   AddLog(CEC_LOG_DEBUG, strLog);
 490   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 491   return false;
 492 }
 493
 494 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 495 {
 496   CLockObject lock(&m_mutex);
 497   switch (newStatus)
 498   {
 499   case CEC_DEVICE_STATUS_UNKNOWN:
 500     m_iStreamPath      = 0;
 501     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 502     m_vendor           = CEC_VENDOR_UNKNOWN;
 503     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 504     m_bActiveSource    = false;
 505     m_iLastActive      = 0;
 506     m_cecVersion       = CEC_VERSION_UNKNOWN;
 507     m_deviceStatus     = newStatus;
 508     break;
 509   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 510     m_iStreamPath      = 0;
 511     m_powerStatus      = CEC_POWER_STATUS_ON;
 512     m_vendor           = CEC_VENDOR_UNKNOWN;
 513     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 514     m_bActiveSource    = false;
 515     m_iLastActive      = 0;
 516     m_cecVersion       = CEC_VERSION_1_3A;
 517     m_deviceStatus     = newStatus;
 518     break;
 519   case CEC_DEVICE_STATUS_PRESENT:
 520   case CEC_DEVICE_STATUS_NOT_PRESENT:
 521     m_deviceStatus = newStatus;
 522     break;
 523   }
 524 }
 525
 526 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 527 {
 528   CLockObject lock(&m_mutex);
 529   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 530   {
 531     CStdString strLog;
 532     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 533     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 534
 535     m_iPhysicalAddress = iNewAddress;
 536   }
 537 }
 538
 539 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 540 {
 541   CLockObject lock(&m_mutex);
 542   if (iNewAddress > 0)
 543   {
 544     CStdString strLog;
 545     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 546     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 547
 548     m_iStreamPath = iNewAddress;
 549
 550     if (iNewAddress > 0)
 551     {
 552       lock.Leave();
 553       SetPowerStatus(CEC_POWER_STATUS_ON);
 554     }
 555   }
 556 }
 557
 558 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 559 {
 560   CLockObject lock(&m_mutex);
 561   if (m_powerStatus != powerStatus)
 562   {
 563     CStdString strLog;
 564     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 565     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 566     m_powerStatus = powerStatus;
 567   }
 568 }
 569
 570 bool CCECBusDevice::ReplaceHandler(bool bInitHandler /* = true */)
 571 {
 572   CLockObject lock(&m_mutex);
 573   CLockObject handlerLock(&m_handlerMutex);
 574
 575   if (m_vendor != m_handler->GetVendorId())
 576   {
 577     if (m_handler->InUse())
 578       return false;
 579
 580     delete m_handler;
 581
 582     switch (m_vendor)
 583     {
 584     case CEC_VENDOR_SAMSUNG:
 585       m_handler = new CANCommandHandler(this);
 586       break;
 587     case CEC_VENDOR_LG:
 588       m_handler = new CSLCommandHandler(this);
 589       break;
 590     case CEC_VENDOR_PANASONIC:
 591       m_handler = new CVLCommandHandler(this);
 592       break;
 593     default:
 594       m_handler = new CCECCommandHandler(this);
 595       break;
 596     }
 597
 598     if (bInitHandler && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
 599       m_handler->InitHandler();
 600   }
 601
 602   return true;
 603 }
 604
 605 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 606 {
 607   bool bVendorChanged(false);
 608
 609   {
 610     CLockObject lock(&m_mutex);
 611     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 612     m_vendor = (cec_vendor_id)iVendorId;
 613     ReplaceHandler(bInitHandler);
 614   }
 615
 616   CStdString strLog;
 617   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 618   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 619
 620   return bVendorChanged;
 621 }
 622 //@}
 623
 624 /** @name Transmit methods */
 625 //@{
 626 bool CCECBusDevice::TransmitActiveSource(void)
 627 {
 628   bool bSendActiveSource(false);
 629
 630   {
 631     CLockObject lock(&m_mutex);
 632     if (m_powerStatus != CEC_POWER_STATUS_ON)
 633     {
 634       CStdString strLog;
 635       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 636       AddLog(CEC_LOG_DEBUG, strLog);
 637     }
 638     else if (m_bActiveSource)
 639     {
 640       CStdString strLog;
 641       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 642       AddLog(CEC_LOG_NOTICE, strLog);
 643       bSendActiveSource = true;
 644     }
 645     else
 646     {
 647       CStdString strLog;
 648       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 649       AddLog(CEC_LOG_DEBUG, strLog);
 650     }
 651   }
 652
 653   if (bSendActiveSource)
 654   {
 655     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 656     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 657     return true;
 658   }
 659
 660   return false;
 661 }
 662
 663 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 664 {
 665   cec_version version;
 666   {
 667     CLockObject lock(&m_mutex);
 668     CStdString strLog;
 669     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 670     AddLog(CEC_LOG_NOTICE, strLog);
 671     version = m_cecVersion;
 672   }
 673
 674   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 675 }
 676
 677 bool CCECBusDevice::TransmitInactiveSource(void)
 678 {
 679   uint16_t iPhysicalAddress;
 680   {
 681     CLockObject lock(&m_mutex);
 682     CStdString strLog;
 683     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 684     AddLog(CEC_LOG_NOTICE, strLog);
 685     iPhysicalAddress = m_iPhysicalAddress;
 686   }
 687
 688   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 689 }
 690
 691 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 692 {
 693   cec_menu_state menuState;
 694   {
 695     CLockObject lock(&m_mutex);
 696     CStdString strLog;
 697     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 698     AddLog(CEC_LOG_NOTICE, strLog);
 699     menuState = m_menuState;
 700   }
 701
 702   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 703 }
 704
 705 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 706 {
 707   CStdString strDeviceName;
 708   {
 709     CLockObject lock(&m_mutex);
 710     CStdString strLog;
 711     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 712     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 713     strDeviceName = m_strDeviceName;
 714   }
 715
 716   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 717 }
 718
 719 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 720 {
 721   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 722   {
 723     CStdString strLog;
 724     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 725     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 726
 727     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 728   }
 729   return false;
 730 }
 731
 732 bool CCECBusDevice::TransmitPhysicalAddress(void)
 733 {
 734   uint16_t iPhysicalAddress;
 735   cec_device_type type;
 736   {
 737     CLockObject lock(&m_mutex);
 738     if (m_iPhysicalAddress == 0xffff)
 739       return false;
 740
 741     CStdString strLog;
 742     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 743     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 744
 745     iPhysicalAddress = m_iPhysicalAddress;
 746     type = m_type;
 747   }
 748
 749   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 750 }
 751
 752 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 753 {
 754   bool bReturn(false);
 755   if (dest == CECDEVICE_UNKNOWN)
 756     dest = m_iLogicalAddress;
 757
 758   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 759   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 760     return bReturn;
 761
 762   CStdString strLog;
 763   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 764   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 765   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 766   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 767
 768   CLockObject lock(&m_mutex);
 769   if (bReturn)
 770   {
 771     m_iLastActive = GetTimeMs();
 772     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 773   }
 774   else
 775     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 776
 777   return bReturn;
 778 }
 779
 780 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 781 {
 782   cec_power_status state;
 783   {
 784     CLockObject lock(&m_mutex);
 785     CStdString strLog;
 786     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 787     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 788     state = m_powerStatus;
 789   }
 790
 791   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 792 }
 793
 794 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 795 {
 796   uint64_t iVendorId;
 797   {
 798     CLockObject lock(&m_mutex);
 799     iVendorId = (uint64_t)m_vendor;
 800   }
 801
 802   if (iVendorId == CEC_VENDOR_UNKNOWN)
 803   {
 804     if (bSendAbort)
 805     {
 806       CStdString strLog;
 807       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 808       AddLog(CEC_LOG_NOTICE, strLog);
 809
 810       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 811     }
 812     return false;
 813   }
 814   else
 815   {
 816     CStdString strLog;
 817     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 818     AddLog(CEC_LOG_NOTICE, strLog);
 819
 820     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 821   }
 822 }
 823
 824 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 825 {
 826   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 827 }
 828
 829 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 830 {
 831   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 832 }
 833
 834 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 835 {
 836   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 837 }
 838
 839 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 840 {
 841   m_unsupportedFeatures.insert(opcode);
 842 }
 843
 844 bool CCECBusDevice::InitHandler(void)
 845 {
 846   CLockObject lock(&m_mutex);
 847   ReplaceHandler(false);
 848   return m_handler->InitHandler();
 849 }
 850
 851 //@}