src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "env.h"
  34 #include "CECBusDevice.h"
  35
  36 #include "lib/CECProcessor.h"
  37 #include "lib/CECClient.h"
  38 #include "lib/implementations/ANCommandHandler.h"
  39 #include "lib/implementations/CECCommandHandler.h"
  40 #include "lib/implementations/SLCommandHandler.h"
  41 #include "lib/implementations/VLCommandHandler.h"
  42 #include "lib/implementations/PHCommandHandler.h"
  43 #include "lib/LibCEC.h"
  44 #include "lib/CECTypeUtils.h"
  45 #include "lib/platform/util/timeutils.h"
  46 #include "lib/platform/util/util.h"
  47
  48 #include "CECAudioSystem.h"
  49 #include "CECPlaybackDevice.h"
  50 #include "CECRecordingDevice.h"
  51 #include "CECTuner.h"
  52 #include "CECTV.h"
  53
  54 using namespace std;
  55 using namespace CEC;
  56 using namespace PLATFORM;
  57
  58 #define LIB_CEC     m_processor->GetLib()
  59 #define ToString(p) CCECTypeUtils::ToString(p)
  60
  61 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
  62   m_type                  (CEC_DEVICE_TYPE_RESERVED),
  63   m_iPhysicalAddress      (iPhysicalAddress),
  64   m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
  65   m_iLogicalAddress       (iLogicalAddress),
  66   m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
  67   m_processor             (processor),
  68   m_vendor                (CEC_VENDOR_UNKNOWN),
  69   m_bReplaceHandler       (false),
  70   m_menuState             (CEC_MENU_STATE_ACTIVATED),
  71   m_bActiveSource         (false),
  72   m_iLastActive           (0),
  73   m_iLastPowerStateUpdate (0),
  74   m_cecVersion            (CEC_VERSION_UNKNOWN),
  75   m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
  76   m_iHandlerUseCount      (0),
  77   m_bAwaitingReceiveFailed(false),
  78   m_bVendorIdRequested    (false),
  79   m_waitForResponse       (new CWaitForResponse),
  80   m_bImageViewOnSent      (false)
  81 {
  82   m_handler = new CCECCommandHandler(this);
  83
  84   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  85     m_menuLanguage.language[iPtr] = '?';
  86   m_menuLanguage.language[3] = 0;
  87   m_menuLanguage.device = iLogicalAddress;
  88
  89   m_strDeviceName = ToString(m_iLogicalAddress);
  90 }
  91
  92 CCECBusDevice::~CCECBusDevice(void)
  93 {
  94   DELETE_AND_NULL(m_handler);
  95   DELETE_AND_NULL(m_waitForResponse);
  96 }
  97
  98 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
  99 {
 100   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 101     return false;
 102
 103   bool bInitHandler(false);
 104   {
 105     CLockObject lock(m_mutex);
 106     CLockObject handlerLock(m_handlerMutex);
 107     if (m_iHandlerUseCount > 0)
 108       return false;
 109
 110     MarkBusy();
 111
 112     if (m_vendor != m_handler->GetVendorId())
 113     {
 114       if (CCECCommandHandler::HasSpecificHandler(m_vendor))
 115       {
 116         LIB_CEC->AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
 117
 118         int32_t iTransmitTimeout     = m_handler->m_iTransmitTimeout;
 119         int32_t iTransmitWait        = m_handler->m_iTransmitWait;
 120         int8_t  iTransmitRetries     = m_handler->m_iTransmitRetries;
 121         int64_t iActiveSourcePending = m_handler->m_iActiveSourcePending;
 122
 123         DELETE_AND_NULL(m_handler);
 124
 125         switch (m_vendor)
 126         {
 127         case CEC_VENDOR_SAMSUNG:
 128           m_handler = new CANCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 129           break;
 130         case CEC_VENDOR_LG:
 131           m_handler = new CSLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 132           break;
 133         case CEC_VENDOR_PANASONIC:
 134           m_handler = new CVLCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 135           break;
 136         case CEC_VENDOR_PHILIPS:
 137           m_handler = new CPHCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 138           break;
 139         default:
 140           m_handler = new CCECCommandHandler(this, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending);
 141           break;
 142         }
 143
 144         m_handler->SetVendorId(m_vendor);
 145         bInitHandler = true;
 146       }
 147     }
 148   }
 149
 150   if (bInitHandler)
 151   {
 152     CCECBusDevice *primary = GetProcessor()->GetPrimaryDevice();
 153     if (primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
 154     {
 155       m_handler->InitHandler();
 156
 157       if (bActivateSource && IsHandledByLibCEC() && IsActiveSource())
 158         m_handler->ActivateSource();
 159     }
 160   }
 161
 162   MarkReady();
 163
 164   return true;
 165 }
 166
 167 CCECCommandHandler *CCECBusDevice::GetHandler(void)
 168 {
 169   ReplaceHandler(false);
 170   MarkBusy();
 171   return m_handler;
 172 }
 173
 174 bool CCECBusDevice::HandleCommand(const cec_command &command)
 175 {
 176   bool bHandled(false);
 177
 178   /* update "last active" */
 179   {
 180     CLockObject lock(m_mutex);
 181     m_iLastActive = GetTimeMs();
 182     MarkBusy();
 183   }
 184
 185   /* handle the command */
 186   bHandled = m_handler->HandleCommand(command);
 187
 188   /* change status to present */
 189   if (bHandled && GetLogicalAddress() != CECDEVICE_BROADCAST && command.opcode_set == 1)
 190   {
 191     CLockObject lock(m_mutex);
 192     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 193     {
 194       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
 195         LIB_CEC->AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 196       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 197     }
 198   }
 199
 200   MarkReady();
 201   return bHandled;
 202 }
 203
 204 const char* CCECBusDevice::GetLogicalAddressName(void) const
 205 {
 206   return ToString(m_iLogicalAddress);
 207 }
 208
 209 bool CCECBusDevice::IsPresent(void)
 210 {
 211   CLockObject lock(m_mutex);
 212   return m_deviceStatus == CEC_DEVICE_STATUS_PRESENT;
 213 }
 214
 215 bool CCECBusDevice::IsHandledByLibCEC(void)
 216 {
 217   CLockObject lock(m_mutex);
 218   return m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC;
 219 }
 220
 221 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 222 {
 223   // some commands should never be marked as unsupported
 224   if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
 225       opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
 226       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
 227       opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
 228       opcode == CEC_OPCODE_ABORT ||
 229       opcode == CEC_OPCODE_FEATURE_ABORT ||
 230       opcode == CEC_OPCODE_NONE)
 231     return;
 232
 233   {
 234     CLockObject lock(m_mutex);
 235     if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
 236     {
 237       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 238       m_unsupportedFeatures.insert(opcode);
 239     }
 240   }
 241
 242   // signal threads that are waiting for a reponse
 243   MarkBusy();
 244   SignalOpcode(cec_command::GetResponseOpcode(opcode));
 245   MarkReady();
 246 }
 247
 248 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 249 {
 250   CLockObject lock(m_mutex);
 251   bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
 252   if (bUnsupported)
 253     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
 254   return bUnsupported;
 255 }
 256
 257 bool CCECBusDevice::TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait /* = true */)
 258 {
 259   MarkBusy();
 260   bool bReturn = m_handler->TransmitKeypress(initiator, m_iLogicalAddress, key, bWait);
 261   MarkReady();
 262   return bReturn;
 263 }
 264
 265 bool CCECBusDevice::TransmitKeyRelease(const cec_logical_address initiator, bool bWait /* = true */)
 266 {
 267   MarkBusy();
 268   bool bReturn = m_handler->TransmitKeyRelease(initiator, m_iLogicalAddress, bWait);
 269   MarkReady();
 270   return bReturn;
 271 }
 272
 273 cec_version CCECBusDevice::GetCecVersion(const cec_logical_address initiator, bool bUpdate /* = false */)
 274 {
 275   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 276   bool bRequestUpdate(false);
 277   {
 278     CLockObject lock(m_mutex);
 279     bRequestUpdate = bIsPresent &&
 280         (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
 281   }
 282
 283   if (bRequestUpdate)
 284   {
 285     CheckVendorIdRequested(initiator);
 286     RequestCecVersion(initiator);
 287   }
 288
 289   CLockObject lock(m_mutex);
 290   return m_cecVersion;
 291 }
 292
 293 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 294 {
 295   CLockObject lock(m_mutex);
 296   if (m_cecVersion != newVersion)
 297     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 298   m_cecVersion = newVersion;
 299 }
 300
 301 bool CCECBusDevice::RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 302 {
 303   bool bReturn(false);
 304
 305   if (!IsHandledByLibCEC() &&
 306       !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
 307   {
 308     MarkBusy();
 309     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 310     bReturn = m_handler->TransmitRequestCecVersion(initiator, m_iLogicalAddress, bWaitForResponse);
 311     MarkReady();
 312   }
 313   return bReturn;
 314 }
 315
 316 bool CCECBusDevice::TransmitCECVersion(const cec_logical_address destination, bool bIsReply)
 317 {
 318   cec_version version;
 319   {
 320     CLockObject lock(m_mutex);
 321     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_cecVersion));
 322     version = m_cecVersion;
 323   }
 324
 325   MarkBusy();
 326   bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, destination, version, bIsReply);
 327   MarkReady();
 328   return bReturn;
 329 }
 330
 331 cec_menu_language &CCECBusDevice::GetMenuLanguage(const cec_logical_address initiator, bool bUpdate /* = false */)
 332 {
 333   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 334   bool bRequestUpdate(false);
 335   {
 336     CLockObject lock(m_mutex);
 337     bRequestUpdate = (bIsPresent &&
 338         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
 339   }
 340
 341   if (bRequestUpdate)
 342   {
 343     CheckVendorIdRequested(initiator);
 344     RequestMenuLanguage(initiator);
 345   }
 346
 347   CLockObject lock(m_mutex);
 348   return m_menuLanguage;
 349 }
 350
 351 void CCECBusDevice::SetMenuLanguage(const char *strLanguage)
 352 {
 353   if (!strLanguage)
 354     return;
 355
 356   CLockObject lock(m_mutex);
 357   if (strcmp(strLanguage, m_menuLanguage.language))
 358   {
 359     memcpy(m_menuLanguage.language, strLanguage, 3);
 360     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, m_menuLanguage.language);
 361   }
 362 }
 363
 364 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 365 {
 366   if (language.device == m_iLogicalAddress)
 367     SetMenuLanguage(language.language);
 368 }
 369
 370 bool CCECBusDevice::RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 371 {
 372   bool bReturn(false);
 373
 374   if (!IsHandledByLibCEC() &&
 375       !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
 376   {
 377     MarkBusy();
 378     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 379     bReturn = m_handler->TransmitRequestMenuLanguage(initiator, m_iLogicalAddress, bWaitForResponse);
 380     MarkReady();
 381   }
 382   return bReturn;
 383 }
 384
 385 bool CCECBusDevice::TransmitSetMenuLanguage(const cec_logical_address destination, bool bIsReply)
 386 {
 387   bool bReturn(false);
 388   cec_menu_language language;
 389   {
 390     CLockObject lock(m_mutex);
 391     language = m_menuLanguage;
 392   }
 393
 394   char lang[4];
 395   {
 396     CLockObject lock(m_mutex);
 397     lang[0] = language.language[0];
 398     lang[1] = language.language[1];
 399     lang[2] = language.language[2];
 400     lang[3] = (char)0;
 401   }
 402
 403   MarkBusy();
 404   if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
 405   {
 406     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 407     m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 408     bReturn = true;
 409   }
 410   else
 411   {
 412     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
 413     bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang, bIsReply);
 414   }
 415   MarkReady();
 416   return bReturn;
 417 }
 418
 419 bool CCECBusDevice::TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage, bool bIsReply)
 420 {
 421   bool bReturn(false);
 422   if (!m_processor->GetDevice(destination)->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
 423   {
 424     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, strMessage);
 425     MarkBusy();
 426     bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, destination, duration, strMessage, bIsReply);
 427     MarkReady();
 428   }
 429   return bReturn;
 430 }
 431
 432 CStdString CCECBusDevice::GetCurrentOSDName(void)
 433 {
 434   CLockObject lock(m_mutex);
 435   return m_strDeviceName;
 436 }
 437
 438 CStdString CCECBusDevice::GetOSDName(const cec_logical_address initiator, bool bUpdate /* = false */)
 439 {
 440   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 441   bool bRequestUpdate(false);
 442   {
 443     CLockObject lock(m_mutex);
 444     bRequestUpdate = bIsPresent &&
 445         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 446         m_type != CEC_DEVICE_TYPE_TV;
 447   }
 448
 449   if (bRequestUpdate)
 450   {
 451     CheckVendorIdRequested(initiator);
 452     RequestOSDName(initiator);
 453   }
 454
 455   CLockObject lock(m_mutex);
 456   return m_strDeviceName;
 457 }
 458
 459 void CCECBusDevice::SetOSDName(CStdString strName)
 460 {
 461   CLockObject lock(m_mutex);
 462   if (m_strDeviceName != strName)
 463   {
 464     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
 465     m_strDeviceName = strName;
 466   }
 467 }
 468
 469 bool CCECBusDevice::RequestOSDName(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 470 {
 471   bool bReturn(false);
 472
 473   if (!IsHandledByLibCEC() &&
 474       !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
 475   {
 476     MarkBusy();
 477     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 478     bReturn = m_handler->TransmitRequestOSDName(initiator, m_iLogicalAddress, bWaitForResponse);
 479     MarkReady();
 480   }
 481   return bReturn;
 482 }
 483
 484 bool CCECBusDevice::TransmitOSDName(const cec_logical_address destination, bool bIsReply)
 485 {
 486   CStdString strDeviceName;
 487   {
 488     CLockObject lock(m_mutex);
 489     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, m_strDeviceName.c_str());
 490     strDeviceName = m_strDeviceName;
 491   }
 492
 493   MarkBusy();
 494   bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, destination, strDeviceName, bIsReply);
 495   MarkReady();
 496   return bReturn;
 497 }
 498
 499 bool CCECBusDevice::HasValidPhysicalAddress(void)
 500 {
 501   CLockObject lock(m_mutex);
 502   return CLibCEC::IsValidPhysicalAddress(m_iPhysicalAddress);
 503 }
 504
 505 uint16_t CCECBusDevice::GetCurrentPhysicalAddress(void)
 506 {
 507   CLockObject lock(m_mutex);
 508   return m_iPhysicalAddress;
 509 }
 510
 511 uint16_t CCECBusDevice::GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate /* = false */)
 512 {
 513   if (!bSuppressUpdate)
 514   {
 515     bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 516     bool bRequestUpdate(false);
 517     {
 518       CLockObject lock(m_mutex);
 519       bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
 520     }
 521
 522     if (bRequestUpdate)
 523     {
 524       CheckVendorIdRequested(initiator);
 525       if (!RequestPhysicalAddress(initiator))
 526         LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 527     }
 528   }
 529
 530   CLockObject lock(m_mutex);
 531   return m_iPhysicalAddress;
 532 }
 533
 534 bool CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 535 {
 536   CLockObject lock(m_mutex);
 537   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 538   {
 539     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 540     m_iPhysicalAddress = iNewAddress;
 541   }
 542   return true;
 543 }
 544
 545 bool CCECBusDevice::RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 546 {
 547   bool bReturn(false);
 548
 549   if (!IsHandledByLibCEC())
 550   {
 551     MarkBusy();
 552     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 553     bReturn = m_handler->TransmitRequestPhysicalAddress(initiator, m_iLogicalAddress, bWaitForResponse);
 554     MarkReady();
 555   }
 556   return bReturn;
 557 }
 558
 559 bool CCECBusDevice::TransmitPhysicalAddress(bool bIsReply)
 560 {
 561   uint16_t iPhysicalAddress;
 562   cec_device_type type;
 563   {
 564     CLockObject lock(m_mutex);
 565     if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
 566       return false;
 567
 568     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 569     iPhysicalAddress = m_iPhysicalAddress;
 570     type = m_type;
 571   }
 572
 573   MarkBusy();
 574   bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type, bIsReply);
 575   MarkReady();
 576   return bReturn;
 577 }
 578
 579 cec_power_status CCECBusDevice::GetCurrentPowerStatus(void)
 580 {
 581   CLockObject lock(m_mutex);
 582   return m_powerStatus;
 583 }
 584
 585 cec_power_status CCECBusDevice::GetPowerStatus(const cec_logical_address initiator, bool bUpdate /* = false */)
 586 {
 587   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 588   bool bRequestUpdate(false);
 589   {
 590     CLockObject lock(m_mutex);
 591     bRequestUpdate = (bIsPresent &&
 592         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
 593             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
 594             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
 595             GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
 596   }
 597
 598   if (bRequestUpdate)
 599   {
 600     CheckVendorIdRequested(initiator);
 601     RequestPowerStatus(initiator);
 602   }
 603
 604   CLockObject lock(m_mutex);
 605   return m_powerStatus;
 606 }
 607
 608 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 609 {
 610   CLockObject lock(m_mutex);
 611   if (m_powerStatus != powerStatus)
 612   {
 613     m_iLastPowerStateUpdate = GetTimeMs();
 614     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 615     m_powerStatus = powerStatus;
 616   }
 617 }
 618
 619 void CCECBusDevice::OnImageViewOnSent(bool bSentByLibCEC)
 620 {
 621   CLockObject lock(m_mutex);
 622   m_bImageViewOnSent = bSentByLibCEC;
 623
 624   if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
 625   {
 626     m_iLastPowerStateUpdate = GetTimeMs();
 627     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON));
 628     m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
 629   }
 630 }
 631
 632 bool CCECBusDevice::ImageViewOnSent(void)
 633 {
 634   CLockObject lock(m_mutex);
 635   return m_bImageViewOnSent;
 636 }
 637
 638 bool CCECBusDevice::RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 639 {
 640   bool bReturn(false);
 641
 642   if (!IsHandledByLibCEC() &&
 643       !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
 644   {
 645     MarkBusy();
 646     bReturn = m_handler->TransmitRequestPowerStatus(initiator, m_iLogicalAddress, bWaitForResponse);
 647     if (!bReturn)
 648       SetPowerStatus(CEC_POWER_STATUS_UNKNOWN);
 649     MarkReady();
 650   }
 651   return bReturn;
 652 }
 653
 654 bool CCECBusDevice::TransmitPowerState(const cec_logical_address destination, bool bIsReply)
 655 {
 656   cec_power_status state;
 657   {
 658     CLockObject lock(m_mutex);
 659     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString(m_powerStatus));
 660     state = m_powerStatus;
 661   }
 662
 663   MarkBusy();
 664   bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, destination, state, bIsReply);
 665   MarkReady();
 666   return bReturn;
 667 }
 668
 669 cec_vendor_id CCECBusDevice::GetCurrentVendorId(void)
 670 {
 671   CLockObject lock(m_mutex);
 672   return m_vendor;
 673 }
 674
 675 cec_vendor_id CCECBusDevice::GetVendorId(const cec_logical_address initiator, bool bUpdate /* = false */)
 676 {
 677   bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
 678   bool bRequestUpdate(false);
 679   {
 680     CLockObject lock(m_mutex);
 681     bRequestUpdate = (bIsPresent &&
 682         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
 683   }
 684
 685   if (bRequestUpdate)
 686     RequestVendorId(initiator);
 687
 688   CLockObject lock(m_mutex);
 689   return m_vendor;
 690 }
 691
 692 const char *CCECBusDevice::GetVendorName(const cec_logical_address initiator, bool bUpdate /* = false */)
 693 {
 694   return ToString(GetVendorId(initiator, bUpdate));
 695 }
 696
 697 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
 698 {
 699   bool bVendorChanged(false);
 700
 701   {
 702     CLockObject lock(m_mutex);
 703     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 704     m_vendor = (cec_vendor_id)iVendorId;
 705   }
 706
 707   if (bVendorChanged)
 708     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 709
 710   return bVendorChanged;
 711 }
 712
 713 bool CCECBusDevice::RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse /* = true */)
 714 {
 715   bool bReturn(false);
 716
 717   if (!IsHandledByLibCEC() && initiator != CECDEVICE_UNKNOWN)
 718   {
 719     MarkBusy();
 720     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 721     bReturn = m_handler->TransmitRequestVendorId(initiator, m_iLogicalAddress, bWaitForResponse);
 722     MarkReady();
 723
 724     if (bWaitForResponse)
 725       ReplaceHandler(true);
 726   }
 727   return bReturn;
 728 }
 729
 730 bool CCECBusDevice::TransmitVendorID(const cec_logical_address destination, bool bSendAbort, bool bIsReply)
 731 {
 732   bool bReturn(false);
 733   uint64_t iVendorId;
 734   {
 735     CLockObject lock(m_mutex);
 736     iVendorId = (uint64_t)m_vendor;
 737   }
 738
 739   MarkBusy();
 740   if (iVendorId == CEC_VENDOR_UNKNOWN)
 741   {
 742     if (bSendAbort)
 743     {
 744       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination);
 745       m_processor->TransmitAbort(m_iLogicalAddress, destination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 746       bReturn = true;
 747     }
 748   }
 749   else
 750   {
 751     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(destination), destination, ToString((cec_vendor_id)iVendorId), iVendorId);
 752     bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, destination, iVendorId, bIsReply);
 753   }
 754   MarkReady();
 755   return bReturn;
 756 }
 757
 758 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 759 {
 760   if (m_iLogicalAddress == CECDEVICE_BROADCAST)
 761     return CEC_DEVICE_STATUS_NOT_PRESENT;
 762
 763   cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
 764   bool bNeedsPoll(false);
 765
 766   {
 767     CLockObject lock(m_mutex);
 768     status = m_deviceStatus;
 769     bNeedsPoll = !bSuppressPoll &&
 770         m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 771             // poll forced
 772             (bForcePoll ||
 773             // don't know the status
 774             m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN ||
 775             // always poll the TV if it's marked as not present
 776             (m_deviceStatus == CEC_DEVICE_STATUS_NOT_PRESENT && m_iLogicalAddress == CECDEVICE_TV));
 777   }
 778
 779   if (bNeedsPoll)
 780   {
 781     bool bPollAcked(false);
 782     if (bNeedsPoll && NeedsPoll())
 783       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 784
 785     status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 786     SetDeviceStatus(status);
 787   }
 788
 789   return status;
 790 }
 791
 792 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 793 {
 794   if (m_iLogicalAddress == CECDEVICE_UNREGISTERED)
 795     return;
 796
 797   {
 798     CLockObject lock(m_mutex);
 799     switch (newStatus)
 800     {
 801     case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 802       if (m_deviceStatus != newStatus)
 803         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'handled by libCEC'", GetLogicalAddressName(), m_iLogicalAddress);
 804       SetPowerStatus   (CEC_POWER_STATUS_ON);
 805       SetVendorId      (CEC_VENDOR_UNKNOWN);
 806       SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 807       SetCecVersion    (libCECSpecVersion);
 808       SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 809       MarkAsInactiveSource();
 810       m_iLastActive   = 0;
 811       m_deviceStatus  = newStatus;
 812       break;
 813     case CEC_DEVICE_STATUS_PRESENT:
 814       if (m_deviceStatus != newStatus)
 815         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'present'", GetLogicalAddressName(), m_iLogicalAddress);
 816       m_deviceStatus = newStatus;
 817       m_iLastActive = GetTimeMs();
 818       break;
 819     case CEC_DEVICE_STATUS_NOT_PRESENT:
 820       if (m_deviceStatus != newStatus)
 821       {
 822         LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'not present'", GetLogicalAddressName(), m_iLogicalAddress);
 823         ResetDeviceStatus(true);
 824         m_deviceStatus = newStatus;
 825       }
 826       break;
 827     default:
 828       ResetDeviceStatus();
 829       break;
 830     }
 831   }
 832 }
 833
 834 void CCECBusDevice::ResetDeviceStatus(bool bClientUnregistered /* = false */)
 835 {
 836   CLockObject lock(m_mutex);
 837   SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
 838   SetVendorId      (CEC_VENDOR_UNKNOWN);
 839   SetMenuState     (CEC_MENU_STATE_ACTIVATED);
 840   SetCecVersion    (CEC_VERSION_UNKNOWN);
 841   SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
 842   SetOSDName       (ToString(m_iLogicalAddress));
 843   MarkAsInactiveSource(bClientUnregistered);
 844
 845   m_iLastActive = 0;
 846   m_bVendorIdRequested = false;
 847   m_unsupportedFeatures.clear();
 848   m_waitForResponse->Clear();
 849
 850   if (m_deviceStatus != CEC_DEVICE_STATUS_UNKNOWN)
 851     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): device status changed into 'unknown'", GetLogicalAddressName(), m_iLogicalAddress);
 852   m_deviceStatus = CEC_DEVICE_STATUS_UNKNOWN;
 853 }
 854
 855 bool CCECBusDevice::TransmitPoll(const cec_logical_address dest, bool bUpdateDeviceStatus)
 856 {
 857   bool bReturn(false);
 858   cec_logical_address destination(dest);
 859   if (destination == CECDEVICE_UNKNOWN)
 860     destination = m_iLogicalAddress;
 861
 862   CCECBusDevice *destDevice = m_processor->GetDevice(destination);
 863   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 864     return bReturn;
 865
 866   MarkBusy();
 867   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 868   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, destination, false);
 869   LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 870
 871   if (bUpdateDeviceStatus)
 872     destDevice->SetDeviceStatus(bReturn ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT);
 873
 874   MarkReady();
 875   return bReturn;
 876 }
 877
 878 void CCECBusDevice::HandlePoll(const cec_logical_address destination)
 879 {
 880   if (destination >= 0 && destination < CECDEVICE_BROADCAST)
 881   {
 882     CCECBusDevice *device = m_processor->GetDevice(destination);
 883     if (device)
 884       device->HandlePollFrom(m_iLogicalAddress);
 885   }
 886 }
 887
 888 void CCECBusDevice::HandlePollFrom(const cec_logical_address initiator)
 889 {
 890   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
 891   m_bAwaitingReceiveFailed = true;
 892 }
 893
 894 bool CCECBusDevice::HandleReceiveFailed(void)
 895 {
 896   bool bReturn = m_bAwaitingReceiveFailed;
 897   m_bAwaitingReceiveFailed = false;
 898   return bReturn;
 899 }
 900
 901 cec_menu_state CCECBusDevice::GetMenuState(const cec_logical_address UNUSED(initiator))
 902 {
 903   CLockObject lock(m_mutex);
 904   return m_menuState;
 905 }
 906
 907 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 908 {
 909   CLockObject lock(m_mutex);
 910   if (m_menuState != state)
 911   {
 912     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 913     m_menuState = state;
 914   }
 915 }
 916
 917 bool CCECBusDevice::TransmitMenuState(const cec_logical_address dest, bool bIsReply)
 918 {
 919   cec_menu_state menuState;
 920   {
 921     CLockObject lock(m_mutex);
 922     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 923     menuState = m_menuState;
 924   }
 925
 926   MarkBusy();
 927   bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState, bIsReply);
 928   MarkReady();
 929   return bReturn;
 930 }
 931
 932 bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
 933 {
 934   MarkAsActiveSource();
 935   MarkBusy();
 936   bool bReturn(true);
 937   if (iDelay == 0)
 938   {
 939     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
 940     bReturn = m_handler->ActivateSource();
 941   }
 942   else
 943   {
 944     LIB_CEC->AddLog(CEC_LOG_DEBUG, "scheduling active source message for '%s'", ToString(m_iLogicalAddress));
 945     m_handler->ScheduleActivateSource(iDelay);
 946   }
 947   MarkReady();
 948   return bReturn;
 949 }
 950
 951 bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 952 {
 953   bool bReturn(false);
 954
 955   if (IsHandledByLibCEC())
 956   {
 957     MarkBusy();
 958     LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting active source");
 959
 960     bReturn = m_handler->TransmitRequestActiveSource(m_iLogicalAddress, bWaitForResponse);
 961     MarkReady();
 962   }
 963   return bReturn;
 964 }
 965
 966 void CCECBusDevice::MarkAsActiveSource(void)
 967 {
 968   bool bWasActivated(false);
 969
 970   // set the power status to powered on
 971   SetPowerStatus(CEC_POWER_STATUS_ON);
 972
 973   // mark this device as active source
 974   {
 975     CLockObject lock(m_mutex);
 976     if (!m_bActiveSource)
 977     {
 978       LIB_CEC->AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
 979       bWasActivated = true;
 980     }
 981     else
 982       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 983
 984     m_bActiveSource = true;
 985   }
 986
 987   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
 988   if (tv)
 989     tv->OnImageViewOnSent(false);
 990
 991   // mark other devices as inactive sources
 992   CECDEVICEVEC devices;
 993   m_processor->GetDevices()->Get(devices);
 994   for (CECDEVICEVEC::iterator it = devices.begin(); it != devices.end(); it++)
 995     if ((*it)->GetLogicalAddress() != m_iLogicalAddress)
 996       (*it)->MarkAsInactiveSource();
 997
 998   if (bWasActivated)
 999   {
1000     if (IsHandledByLibCEC())
1001       m_processor->SetActiveSource(true, false);
1002     CCECClient *client = GetClient();
1003     if (client)
1004       client->SourceActivated(m_iLogicalAddress);
1005   }
1006 }
1007
1008 void CCECBusDevice::MarkAsInactiveSource(bool bClientUnregistered /* = false */)
1009 {
1010   bool bWasDeactivated(false);
1011   {
1012     CLockObject lock(m_mutex);
1013     if (m_bActiveSource)
1014     {
1015       LIB_CEC->AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1016       bWasDeactivated = true;
1017     }
1018     m_bActiveSource = false;
1019   }
1020
1021   if (bWasDeactivated)
1022   {
1023     if (IsHandledByLibCEC())
1024       m_processor->SetActiveSource(false, bClientUnregistered);
1025     CCECClient *client = GetClient();
1026     if (client)
1027       client->SourceDeactivated(m_iLogicalAddress);
1028   }
1029 }
1030
1031 bool CCECBusDevice::TransmitActiveSource(bool bIsReply)
1032 {
1033   bool bSendActiveSource(false);
1034   uint16_t iPhysicalAddress(CEC_INVALID_PHYSICAL_ADDRESS);
1035
1036   {
1037     CLockObject lock(m_mutex);
1038     if (!HasValidPhysicalAddress())
1039     {
1040       LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X) has an invalid physical address (%04x), not sending active source commands", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1041       return false;
1042     }
1043
1044     iPhysicalAddress = m_iPhysicalAddress;
1045
1046     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1047       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1048     else if (m_bActiveSource)
1049     {
1050       LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
1051       bSendActiveSource = true;
1052     }
1053     else
1054       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
1055   }
1056
1057   bool bActiveSourceSent(false);
1058   if (bSendActiveSource)
1059   {
1060     MarkBusy();
1061     bActiveSourceSent = m_handler->TransmitActiveSource(m_iLogicalAddress, iPhysicalAddress, bIsReply);
1062     MarkReady();
1063   }
1064
1065   return bActiveSourceSent;
1066 }
1067
1068 bool CCECBusDevice::TransmitImageViewOn(void)
1069 {
1070   {
1071     CLockObject lock(m_mutex);
1072     if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1073     {
1074       LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
1075       return false;
1076     }
1077   }
1078
1079   CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1080   if (!tv)
1081   {
1082     LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - couldn't get TV instance", __FUNCTION__);
1083     return false;
1084   }
1085
1086   if (tv->ImageViewOnSent())
1087   {
1088     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - 'image view on' already sent", __FUNCTION__);
1089     return true;
1090   }
1091
1092   bool bImageViewOnSent(false);
1093   MarkBusy();
1094   bImageViewOnSent = m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
1095   MarkReady();
1096
1097   if (bImageViewOnSent)
1098     tv->OnImageViewOnSent(true);
1099
1100   return bImageViewOnSent;
1101 }
1102
1103 bool CCECBusDevice::TransmitInactiveSource(void)
1104 {
1105   uint16_t iPhysicalAddress;
1106   {
1107     CLockObject lock(m_mutex);
1108     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
1109     iPhysicalAddress = m_iPhysicalAddress;
1110   }
1111
1112   MarkBusy();
1113   bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
1114   MarkReady();
1115   return bReturn;
1116 }
1117
1118 bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
1119 {
1120   MarkBusy();
1121   bool bReturn = m_handler->ActivateSource(true);
1122   MarkReady();
1123   return bReturn;
1124 }
1125
1126 void CCECBusDevice::SetActiveRoute(uint16_t iRoute)
1127 {
1128   SetPowerStatus(CEC_POWER_STATUS_ON);
1129
1130   CCECDeviceMap* map = m_processor->GetDevices();
1131   if (!map)
1132     return;
1133
1134   CCECBusDevice* newRoute = m_processor->GetDeviceByPhysicalAddress(iRoute, true);
1135   if (newRoute && newRoute->IsHandledByLibCEC())
1136     newRoute->ActivateSource();
1137 }
1138
1139 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
1140 {
1141   if (iNewAddress != CEC_INVALID_PHYSICAL_ADDRESS)
1142     SetPowerStatus(CEC_POWER_STATUS_ON);
1143
1144   CLockObject lock(m_mutex);
1145   if (iNewAddress != m_iStreamPath)
1146   {
1147     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
1148     m_iStreamPath = iNewAddress;
1149   }
1150
1151   if (!LIB_CEC->IsValidPhysicalAddress(iNewAddress))
1152     return;
1153
1154   CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
1155   if (device)
1156   {
1157     // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
1158     device->MarkAsActiveSource();
1159
1160     // respond with an active source message if this device is handled by libCEC
1161     if (device->IsHandledByLibCEC())
1162       device->TransmitActiveSource(true);
1163   }
1164   else
1165   {
1166     // try to find the device with the old address, and mark it as inactive when found
1167     device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
1168     if (device)
1169       device->MarkAsInactiveSource();
1170   }
1171 }
1172
1173 bool CCECBusDevice::PowerOn(const cec_logical_address initiator)
1174 {
1175   bool bReturn(false);
1176   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1177
1178   MarkBusy();
1179   cec_power_status currentStatus;
1180   if (m_iLogicalAddress == CECDEVICE_TV ||
1181       ((currentStatus = GetPowerStatus(initiator, false)) != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
1182         currentStatus != CEC_POWER_STATUS_ON))
1183   {
1184     LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
1185     bReturn = m_handler->PowerOn(initiator, m_iLogicalAddress);
1186   }
1187   else
1188   {
1189     LIB_CEC->AddLog(CEC_LOG_DEBUG, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
1190   }
1191
1192   MarkReady();
1193   return bReturn;
1194 }
1195
1196 bool CCECBusDevice::Standby(const cec_logical_address initiator)
1197 {
1198   GetVendorId(initiator); // ensure that we got the vendor id, because the implementations vary per vendor
1199
1200   LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
1201   MarkBusy();
1202   bool bReturn = m_handler->TransmitStandby(initiator, m_iLogicalAddress);
1203   MarkReady();
1204   return bReturn;
1205 }
1206
1207 bool CCECBusDevice::NeedsPoll(void)
1208 {
1209   bool bSendPoll(false);
1210   cec_logical_address pollAddress(CECDEVICE_UNKNOWN);
1211   switch (m_iLogicalAddress)
1212   {
1213   case CECDEVICE_PLAYBACKDEVICE3:
1214     pollAddress = CECDEVICE_PLAYBACKDEVICE2;
1215     break;
1216   case CECDEVICE_PLAYBACKDEVICE2:
1217     pollAddress = CECDEVICE_PLAYBACKDEVICE1;
1218     break;
1219   case CECDEVICE_RECORDINGDEVICE3:
1220     pollAddress = CECDEVICE_RECORDINGDEVICE2;
1221     break;
1222   case CECDEVICE_RECORDINGDEVICE2:
1223     pollAddress = CECDEVICE_RECORDINGDEVICE1;
1224     break;
1225   case CECDEVICE_TUNER4:
1226     pollAddress = CECDEVICE_TUNER3;
1227     break;
1228   case CECDEVICE_TUNER3:
1229     pollAddress = CECDEVICE_TUNER2;
1230     break;
1231   case CECDEVICE_TUNER2:
1232     pollAddress = CECDEVICE_TUNER1;
1233     break;
1234   case CECDEVICE_AUDIOSYSTEM:
1235   case CECDEVICE_PLAYBACKDEVICE1:
1236   case CECDEVICE_RECORDINGDEVICE1:
1237   case CECDEVICE_TUNER1:
1238   case CECDEVICE_TV:
1239     bSendPoll = true;
1240     break;
1241   default:
1242     break;
1243   }
1244
1245   if (!bSendPoll && pollAddress != CECDEVICE_UNKNOWN)
1246   {
1247     CCECBusDevice *device = m_processor->GetDevice(pollAddress);
1248     if (device)
1249     {
1250       cec_bus_device_status status = device->GetStatus();
1251       bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
1252     }
1253     else
1254     {
1255       bSendPoll = true;
1256     }
1257   }
1258
1259   return bSendPoll;
1260 }
1261
1262 void CCECBusDevice::CheckVendorIdRequested(const cec_logical_address initiator)
1263 {
1264   bool bRequestVendorId(false);
1265   {
1266     CLockObject lock(m_mutex);
1267     bRequestVendorId = !m_bVendorIdRequested;
1268     m_bVendorIdRequested = true;
1269   }
1270
1271   if (bRequestVendorId)
1272   {
1273     ReplaceHandler(false);
1274     GetVendorId(initiator);
1275   }
1276 }
1277 //@}
1278
1279 CCECAudioSystem *CCECBusDevice::AsAudioSystem(void)
1280 {
1281   return AsAudioSystem(this);
1282 }
1283
1284 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(void)
1285 {
1286   return AsPlaybackDevice(this);
1287 }
1288
1289 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(void)
1290 {
1291   return AsRecordingDevice(this);
1292 }
1293
1294 CCECTuner *CCECBusDevice::AsTuner(void)
1295 {
1296   return AsTuner(this);
1297 }
1298
1299 CCECTV *CCECBusDevice::AsTV(void)
1300 {
1301   return AsTV(this);
1302 }
1303
1304 CCECAudioSystem *CCECBusDevice::AsAudioSystem(CCECBusDevice *device)
1305 {
1306   if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
1307     return static_cast<CCECAudioSystem *>(device);
1308   return NULL;
1309 }
1310
1311 CCECPlaybackDevice *CCECBusDevice::AsPlaybackDevice(CCECBusDevice *device)
1312 {
1313   if (device &&
1314       (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1315        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
1316     return static_cast<CCECPlaybackDevice *>(device);
1317   return NULL;
1318 }
1319
1320 CCECRecordingDevice *CCECBusDevice::AsRecordingDevice(CCECBusDevice *device)
1321 {
1322   if (device && device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
1323     return static_cast<CCECRecordingDevice *>(device);
1324   return NULL;
1325 }
1326
1327 CCECTuner *CCECBusDevice::AsTuner(CCECBusDevice *device)
1328 {
1329   if (device && device->GetType() == CEC_DEVICE_TYPE_TUNER)
1330     return static_cast<CCECTuner *>(device);
1331   return NULL;
1332 }
1333
1334 CCECTV *CCECBusDevice::AsTV(CCECBusDevice *device)
1335 {
1336   if (device && device->GetType() == CEC_DEVICE_TYPE_TV)
1337     return static_cast<CCECTV *>(device);
1338   return NULL;
1339 }
1340
1341 void CCECBusDevice::MarkBusy(void)
1342 {
1343   CLockObject handlerLock(m_handlerMutex);
1344   ++m_iHandlerUseCount;
1345 }
1346
1347 void CCECBusDevice::MarkReady(void)
1348 {
1349   CLockObject handlerLock(m_handlerMutex);
1350   if (m_iHandlerUseCount > 0)
1351     --m_iHandlerUseCount;
1352 }
1353
1354 bool CCECBusDevice::TryLogicalAddress(cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
1355 {
1356   LIB_CEC->AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
1357
1358   if (!TransmitPoll(m_iLogicalAddress, false))
1359   {
1360     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using logical address '%s'", GetLogicalAddressName());
1361     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC, libCECSpecVersion);
1362
1363     return true;
1364   }
1365
1366   LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
1367   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
1368   return false;
1369 }
1370
1371 CCECClient *CCECBusDevice::GetClient(void)
1372 {
1373   return m_processor->GetClient(m_iLogicalAddress);
1374 }
1375
1376 void CCECBusDevice::SignalOpcode(cec_opcode opcode)
1377 {
1378   m_waitForResponse->Received(opcode);
1379 }
1380
1381 bool CCECBusDevice::WaitForOpcode(cec_opcode opcode)
1382 {
1383   return m_waitForResponse->Wait(opcode);
1384 }