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
  40 using namespace CEC;
  41 using namespace PLATFORM;
  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_iLastPowerStateUpdate(0),
  58   m_cecVersion(CEC_VERSION_UNKNOWN),
  59   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN)
  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   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     m_handler->MarkBusy();
 180     CStdString strLog;
 181     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 182     AddLog(CEC_LOG_NOTICE, strLog);
 183
 184     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 185     m_handler->MarkReady();
 186   }
 187   return bReturn;
 188 }
 189
 190 const char* CCECBusDevice::GetLogicalAddressName(void) const
 191 {
 192   return ToString(m_iLogicalAddress);
 193 }
 194
 195 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 196 {
 197   bool bRequestUpdate(false);
 198   {
 199     CLockObject lock(m_mutex);
 200     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 201         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 202   }
 203
 204   if (bRequestUpdate)
 205     RequestMenuLanguage();
 206
 207   CLockObject lock(m_mutex);
 208   return m_menuLanguage;
 209 }
 210
 211 bool CCECBusDevice::RequestMenuLanguage(void)
 212 {
 213   bool bReturn(false);
 214
 215   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 216       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 217   {
 218     m_handler->MarkBusy();
 219     CStdString strLog;
 220     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 221     AddLog(CEC_LOG_NOTICE, strLog);
 222     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 223     m_handler->MarkReady();
 224   }
 225   return bReturn;
 226 }
 227
 228 cec_menu_state CCECBusDevice::GetMenuState(void)
 229 {
 230   CLockObject lock(m_mutex);
 231   return m_menuState;
 232 }
 233
 234 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 235 {
 236   return m_processor->GetLogicalAddress();
 237 }
 238
 239 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 240 {
 241   return m_processor->GetPhysicalAddress();
 242 }
 243
 244 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 245 {
 246   bool bRequestUpdate(false);
 247   {
 248     CLockObject lock(m_mutex);
 249     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 250         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 251         m_type != CEC_DEVICE_TYPE_TV);
 252   }
 253
 254   if (bRequestUpdate)
 255     RequestOSDName();
 256
 257   CLockObject lock(m_mutex);
 258   return m_strDeviceName;
 259 }
 260
 261 bool CCECBusDevice::RequestOSDName(void)
 262 {
 263   bool bReturn(false);
 264
 265   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 266       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 267   {
 268     m_handler->MarkBusy();
 269     CStdString strLog;
 270     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 271     AddLog(CEC_LOG_NOTICE, strLog);
 272     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 273     m_handler->MarkReady();
 274   }
 275   return bReturn;
 276 }
 277
 278 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 279 {
 280   bool bRequestUpdate(false);
 281   {
 282     CLockObject lock(m_mutex);
 283     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 284         (m_iPhysicalAddress == 0xFFFF || bUpdate));
 285   }
 286
 287   if (bRequestUpdate && !RequestPhysicalAddress())
 288     AddLog(CEC_LOG_ERROR, "failed to request the physical address (1)");
 289
 290   CLockObject lock(m_mutex);
 291   return m_iPhysicalAddress;
 292 }
 293
 294 bool CCECBusDevice::RequestPhysicalAddress(void)
 295 {
 296   bool bReturn(false);
 297
 298   if (!MyLogicalAddressContains(m_iLogicalAddress))
 299   {
 300     m_handler->MarkBusy();
 301     CStdString strLog;
 302     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 303     AddLog(CEC_LOG_NOTICE, strLog);
 304     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 305     m_handler->MarkReady();
 306   }
 307   return bReturn;
 308 }
 309
 310 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 311 {
 312   bool bRequestUpdate(false);
 313   {
 314     CLockObject lock(m_mutex);
 315     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 316         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 317             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 318             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 319             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 320   }
 321
 322   if (bRequestUpdate)
 323     RequestPowerStatus();
 324
 325   CLockObject lock(m_mutex);
 326   return m_powerStatus;
 327 }
 328
 329 bool CCECBusDevice::RequestPowerStatus(void)
 330 {
 331   bool bReturn(false);
 332
 333   if (!MyLogicalAddressContains(m_iLogicalAddress) &&
 334       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 335   {
 336     m_handler->MarkBusy();
 337     CStdString strLog;
 338     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 339     AddLog(CEC_LOG_NOTICE, strLog);
 340     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 341     m_handler->MarkReady();
 342   }
 343   return bReturn;
 344 }
 345
 346 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 347 {
 348   bool bRequestUpdate(false);
 349   {
 350     CLockObject lock(m_mutex);
 351     bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 352         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 353   }
 354
 355   if (bRequestUpdate)
 356     RequestVendorId();
 357
 358   CLockObject lock(m_mutex);
 359   return m_vendor;
 360 }
 361
 362 bool CCECBusDevice::RequestVendorId(void)
 363 {
 364   bool bReturn(false);
 365
 366   if (!MyLogicalAddressContains(m_iLogicalAddress))
 367   {
 368     m_handler->MarkBusy();
 369     CStdString strLog;
 370     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 371     AddLog(CEC_LOG_NOTICE, strLog);
 372     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 373     m_handler->MarkReady();
 374
 375     ReplaceHandler(true);
 376   }
 377   return bReturn;
 378 }
 379
 380 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 381 {
 382   return ToString(GetVendorId(bUpdate));
 383 }
 384
 385 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 386 {
 387   return m_processor->HasLogicalAddress(address);
 388 }
 389
 390 bool CCECBusDevice::NeedsPoll(void)
 391 {
 392   bool bSendPoll(false);
 393   switch (m_iLogicalAddress)
 394   {
 395   case CECDEVICE_PLAYBACKDEVICE3:
 396     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 397       bSendPoll = true;
 398     break;
 399   case CECDEVICE_PLAYBACKDEVICE2:
 400     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 401       bSendPoll = true;
 402     break;
 403   case CECDEVICE_RECORDINGDEVICE3:
 404     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 405       bSendPoll = true;
 406     break;
 407   case CECDEVICE_RECORDINGDEVICE2:
 408     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 409       bSendPoll = true;
 410     break;
 411   case CECDEVICE_TUNER4:
 412     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 413       bSendPoll = true;
 414     break;
 415   case CECDEVICE_TUNER3:
 416     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 417       bSendPoll = true;
 418     break;
 419   case CECDEVICE_TUNER2:
 420     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 421       bSendPoll = true;
 422     break;
 423   case CECDEVICE_AUDIOSYSTEM:
 424   case CECDEVICE_PLAYBACKDEVICE1:
 425   case CECDEVICE_RECORDINGDEVICE1:
 426   case CECDEVICE_TUNER1:
 427   case CECDEVICE_TV:
 428     bSendPoll = true;
 429     break;
 430   default:
 431     break;
 432   }
 433
 434   return bSendPoll;
 435 }
 436
 437 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 438 {
 439   CLockObject lock(m_mutex);
 440   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 441       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 442   {
 443     lock.Unlock();
 444     bool bPollAcked(false);
 445     if (bForcePoll || NeedsPoll())
 446       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 447
 448     lock.Lock();
 449     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 450   }
 451
 452   return m_deviceStatus;
 453 }
 454
 455 //@}
 456
 457 /** @name Setters */
 458 //@{
 459 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 460 {
 461   m_cecVersion = newVersion;
 462
 463   CStdString strLog;
 464   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 465   AddLog(CEC_LOG_DEBUG, strLog);
 466 }
 467
 468 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 469 {
 470   CLockObject lock(m_mutex);
 471   if (language.device == m_iLogicalAddress)
 472   {
 473     CStdString strLog;
 474     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 475     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 476     m_menuLanguage = language;
 477   }
 478 }
 479
 480 void CCECBusDevice::SetOSDName(CStdString strName)
 481 {
 482   CLockObject lock(m_mutex);
 483   if (m_strDeviceName != strName)
 484   {
 485     CStdString strLog;
 486     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 487     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 488     m_strDeviceName = strName;
 489   }
 490 }
 491
 492 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 493 {
 494   CLockObject lock(m_mutex);
 495   if (m_menuState != state)
 496   {
 497     CStdString strLog;
 498     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 499     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 500     m_menuState = state;
 501   }
 502 }
 503
 504 void CCECBusDevice::SetInactiveSource(void)
 505 {
 506   {
 507     CLockObject lock(m_mutex);
 508     m_bActiveSource = false;
 509   }
 510
 511   if (MyLogicalAddressContains(m_iLogicalAddress))
 512     SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 513 }
 514
 515 void CCECBusDevice::SetActiveSource(void)
 516 {
 517   CLockObject lock(m_mutex);
 518   if (!m_bActiveSource)
 519   {
 520     CStdString strLog;
 521     strLog.Format("making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 522     AddLog(CEC_LOG_DEBUG, strLog);
 523   }
 524
 525   for (int iPtr = 0; iPtr < 16; iPtr++)
 526     if (iPtr != m_iLogicalAddress)
 527       m_processor->m_busDevices[iPtr]->SetInactiveSource();
 528
 529   m_bActiveSource = true;
 530   m_powerStatus   = CEC_POWER_STATUS_ON;
 531 }
 532
 533 bool CCECBusDevice::TryLogicalAddress(void)
 534 {
 535   CStdString strLog;
 536   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 537   AddLog(CEC_LOG_DEBUG, strLog);
 538
 539   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 540   if (!TransmitPoll(m_iLogicalAddress))
 541   {
 542     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 543     AddLog(CEC_LOG_NOTICE, strLog);
 544     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 545
 546     return true;
 547   }
 548
 549   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 550   AddLog(CEC_LOG_DEBUG, strLog);
 551   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 552   return false;
 553 }
 554
 555 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 556 {
 557   CLockObject lock(m_mutex);
 558   switch (newStatus)
 559   {
 560   case CEC_DEVICE_STATUS_UNKNOWN:
 561     m_iStreamPath      = 0;
 562     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 563     m_vendor           = CEC_VENDOR_UNKNOWN;
 564     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 565     m_bActiveSource    = false;
 566     m_iLastActive      = 0;
 567     m_cecVersion       = CEC_VERSION_UNKNOWN;
 568     m_deviceStatus     = newStatus;
 569     break;
 570   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 571     m_iStreamPath      = 0;
 572     m_powerStatus      = CEC_POWER_STATUS_ON;
 573     m_vendor           = CEC_VENDOR_UNKNOWN;
 574     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 575     m_bActiveSource    = false;
 576     m_iLastActive      = 0;
 577     m_cecVersion       = CEC_VERSION_1_3A;
 578     m_deviceStatus     = newStatus;
 579     break;
 580   case CEC_DEVICE_STATUS_PRESENT:
 581   case CEC_DEVICE_STATUS_NOT_PRESENT:
 582     m_deviceStatus = newStatus;
 583     break;
 584   }
 585 }
 586
 587 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 588 {
 589   CLockObject lock(m_mutex);
 590   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 591   {
 592     CStdString strLog;
 593     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 594     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 595
 596     m_iPhysicalAddress = iNewAddress;
 597   }
 598 }
 599
 600 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 601 {
 602   CLockObject lock(m_mutex);
 603   if (iNewAddress > 0)
 604   {
 605     CStdString strLog;
 606     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 607     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 608
 609     m_iStreamPath = iNewAddress;
 610
 611     if (iNewAddress > 0)
 612     {
 613       lock.Unlock();
 614       SetPowerStatus(CEC_POWER_STATUS_ON);
 615     }
 616   }
 617 }
 618
 619 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 620 {
 621   CLockObject lock(m_mutex);
 622   if (m_powerStatus != powerStatus)
 623   {
 624     m_iLastPowerStateUpdate = GetTimeMs();
 625     CStdString strLog;
 626     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 627     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 628     m_powerStatus = powerStatus;
 629   }
 630 }
 631
 632 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 633 {
 634   CLockObject lock(m_mutex);
 635   CLockObject handlerLock(m_handlerMutex);
 636
 637   if (m_vendor != m_handler->GetVendorId())
 638   {
 639     if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 640     {
 641       CStdString strLog;
 642       if (m_handler->InUse())
 643       {
 644         strLog.Format("handler for device '%s' (%x) is being used. not replacing the command handler", GetLogicalAddressName(), GetLogicalAddress());
 645         m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 646         return false;
 647       }
 648
 649       strLog.Format("replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 650       m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 651       delete m_handler;
 652
 653       switch (m_vendor)
 654       {
 655       case CEC_VENDOR_SAMSUNG:
 656         m_handler = new CANCommandHandler(this);
 657         break;
 658       case CEC_VENDOR_LG:
 659         m_handler = new CSLCommandHandler(this);
 660         break;
 661       case CEC_VENDOR_PANASONIC:
 662         m_handler = new CVLCommandHandler(this);
 663         break;
 664       default:
 665         m_handler = new CCECCommandHandler(this);
 666         break;
 667       }
 668
 669       m_handler->SetVendorId(m_vendor);
 670       m_handler->InitHandler();
 671
 672       if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
 673         m_handler->ActivateSource();
 674     }
 675   }
 676
 677   return true;
 678 }
 679
 680 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 681 {
 682   bool bVendorChanged(false);
 683
 684   {
 685     CLockObject lock(m_mutex);
 686     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 687     m_vendor = (cec_vendor_id)iVendorId;
 688   }
 689
 690   CStdString strLog;
 691   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 692   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 693
 694   return bVendorChanged;
 695 }
 696 //@}
 697
 698 /** @name Transmit methods */
 699 //@{
 700 bool CCECBusDevice::TransmitActiveSource(void)
 701 {
 702   bool bSendActiveSource(false);
 703
 704   {
 705     CLockObject lock(m_mutex);
 706     if (m_powerStatus != CEC_POWER_STATUS_ON)
 707     {
 708       CStdString strLog;
 709       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 710       AddLog(CEC_LOG_DEBUG, strLog);
 711     }
 712     else if (m_bActiveSource)
 713     {
 714       CStdString strLog;
 715       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 716       AddLog(CEC_LOG_NOTICE, strLog);
 717       bSendActiveSource = true;
 718     }
 719     else
 720     {
 721       CStdString strLog;
 722       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 723       AddLog(CEC_LOG_DEBUG, strLog);
 724     }
 725   }
 726
 727   if (bSendActiveSource)
 728   {
 729     m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
 730     m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
 731     return true;
 732   }
 733
 734   return false;
 735 }
 736
 737 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 738 {
 739   cec_version version;
 740   {
 741     CLockObject lock(m_mutex);
 742     CStdString strLog;
 743     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 744     AddLog(CEC_LOG_NOTICE, strLog);
 745     version = m_cecVersion;
 746   }
 747
 748   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 749 }
 750
 751 bool CCECBusDevice::TransmitInactiveSource(void)
 752 {
 753   uint16_t iPhysicalAddress;
 754   {
 755     CLockObject lock(m_mutex);
 756     CStdString strLog;
 757     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 758     AddLog(CEC_LOG_NOTICE, strLog);
 759     iPhysicalAddress = m_iPhysicalAddress;
 760   }
 761
 762   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 763 }
 764
 765 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 766 {
 767   cec_menu_state menuState;
 768   {
 769     CLockObject lock(m_mutex);
 770     CStdString strLog;
 771     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 772     AddLog(CEC_LOG_NOTICE, strLog);
 773     menuState = m_menuState;
 774   }
 775
 776   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 777 }
 778
 779 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 780 {
 781   CStdString strDeviceName;
 782   {
 783     CLockObject lock(m_mutex);
 784     CStdString strLog;
 785     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 786     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 787     strDeviceName = m_strDeviceName;
 788   }
 789
 790   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 791 }
 792
 793 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 794 {
 795   if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 796   {
 797     CStdString strLog;
 798     strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 799     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 800
 801     return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 802   }
 803   return false;
 804 }
 805
 806 bool CCECBusDevice::TransmitPhysicalAddress(void)
 807 {
 808   uint16_t iPhysicalAddress;
 809   cec_device_type type;
 810   {
 811     CLockObject lock(m_mutex);
 812     if (m_iPhysicalAddress == 0xffff)
 813       return false;
 814
 815     CStdString strLog;
 816     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 817     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 818
 819     iPhysicalAddress = m_iPhysicalAddress;
 820     type = m_type;
 821   }
 822
 823   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 824 }
 825
 826 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 827 {
 828   bool bReturn(false);
 829   if (dest == CECDEVICE_UNKNOWN)
 830     dest = m_iLogicalAddress;
 831
 832   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 833   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 834     return bReturn;
 835
 836   CStdString strLog;
 837   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 838   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 839   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 840   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 841
 842   CLockObject lock(m_mutex);
 843   if (bReturn)
 844   {
 845     m_iLastActive = GetTimeMs();
 846     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 847   }
 848   else
 849     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 850
 851   return bReturn;
 852 }
 853
 854 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 855 {
 856   cec_power_status state;
 857   {
 858     CLockObject lock(m_mutex);
 859     CStdString strLog;
 860     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 861     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 862     state = m_powerStatus;
 863   }
 864
 865   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 866 }
 867
 868 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 869 {
 870   uint64_t iVendorId;
 871   {
 872     CLockObject lock(m_mutex);
 873     iVendorId = (uint64_t)m_vendor;
 874   }
 875
 876   if (iVendorId == CEC_VENDOR_UNKNOWN)
 877   {
 878     if (bSendAbort)
 879     {
 880       CStdString strLog;
 881       strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 882       AddLog(CEC_LOG_NOTICE, strLog);
 883
 884       m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 885     }
 886     return false;
 887   }
 888   else
 889   {
 890     CStdString strLog;
 891     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 892     AddLog(CEC_LOG_NOTICE, strLog);
 893
 894     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 895   }
 896 }
 897
 898 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 899 {
 900   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 901 }
 902
 903 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 904 {
 905   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 906 }
 907
 908 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
 909 {
 910   return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
 911 }
 912
 913 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 914 {
 915   m_unsupportedFeatures.insert(opcode);
 916 }
 917
 918 bool CCECBusDevice::ActivateSource(void)
 919 {
 920   CLockObject lock(m_mutex);
 921   return m_handler->ActivateSource();
 922 }
 923
 924 //@}