src/lib/implementations/CECCommandHandler.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 "CECCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../devices/CECAudioSystem.h"
  36 #include "../devices/CECPlaybackDevice.h"
  37 #include "../CECProcessor.h"
  38 #include "../LibCEC.h"
  39
  40 using namespace CEC;
  41 using namespace std;
  42 using namespace PLATFORM;
  43
  44 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  45     m_busDevice(busDevice),
  46     m_processor(m_busDevice->GetProcessor()),
  47     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  48     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  49     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES),
  50     m_bHandlerInited(false),
  51     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  52     m_vendorId(CEC_VENDOR_UNKNOWN),
  53     m_waitForResponse(new CWaitForResponse)
  54 {
  55 }
  56
  57 CCECCommandHandler::~CCECCommandHandler(void)
  58 {
  59   delete m_waitForResponse;
  60 }
  61
  62 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  63 {
  64   if (command.opcode_set == 0)
  65     return HandlePoll(command);
  66
  67   bool bHandled(true);
  68
  69   CLibCEC::AddCommand(command);
  70
  71   switch(command.opcode)
  72   {
  73   case CEC_OPCODE_REPORT_POWER_STATUS:
  74     HandleReportPowerStatus(command);
  75     break;
  76   case CEC_OPCODE_CEC_VERSION:
  77     HandleDeviceCecVersion(command);
  78     break;
  79   case CEC_OPCODE_SET_MENU_LANGUAGE:
  80     HandleSetMenuLanguage(command);
  81     break;
  82   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  83     if (m_processor->IsInitialised())
  84       HandleGivePhysicalAddress(command);
  85     break;
  86   case CEC_OPCODE_GIVE_OSD_NAME:
  87     if (m_processor->IsInitialised())
  88       HandleGiveOSDName(command);
  89     break;
  90   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  91     if (m_processor->IsInitialised())
  92       HandleGiveDeviceVendorId(command);
  93     break;
  94   case CEC_OPCODE_DEVICE_VENDOR_ID:
  95     HandleDeviceVendorId(command);
  96     break;
  97   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  98     HandleDeviceVendorCommandWithId(command);
  99     break;
 100   case CEC_OPCODE_GIVE_DECK_STATUS:
 101     if (m_processor->IsInitialised())
 102       HandleGiveDeckStatus(command);
 103     break;
 104   case CEC_OPCODE_DECK_CONTROL:
 105     HandleDeckControl(command);
 106     break;
 107   case CEC_OPCODE_MENU_REQUEST:
 108     if (m_processor->IsInitialised())
 109       HandleMenuRequest(command);
 110     break;
 111   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 112     if (m_processor->IsInitialised())
 113       HandleGiveDevicePowerStatus(command);
 114     break;
 115   case CEC_OPCODE_GET_CEC_VERSION:
 116     if (m_processor->IsInitialised())
 117       HandleGetCecVersion(command);
 118     break;
 119   case CEC_OPCODE_USER_CONTROL_PRESSED:
 120     if (m_processor->IsInitialised())
 121       HandleUserControlPressed(command);
 122     break;
 123   case CEC_OPCODE_USER_CONTROL_RELEASE:
 124     if (m_processor->IsInitialised())
 125       HandleUserControlRelease(command);
 126     break;
 127   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 128     if (m_processor->IsInitialised())
 129       HandleGiveAudioStatus(command);
 130     break;
 131   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 132     if (m_processor->IsInitialised())
 133       HandleGiveSystemAudioModeStatus(command);
 134     break;
 135   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 136     if (m_processor->IsInitialised())
 137       HandleSystemAudioModeRequest(command);
 138     break;
 139   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 140     HandleReportAudioStatus(command);
 141     break;
 142   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 143     HandleSystemAudioModeStatus(command);
 144     break;
 145   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 146     HandleSetSystemAudioMode(command);
 147     break;
 148   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 149     if (m_processor->IsInitialised())
 150       HandleRequestActiveSource(command);
 151     break;
 152   case CEC_OPCODE_SET_STREAM_PATH:
 153     HandleSetStreamPath(command);
 154     break;
 155   case CEC_OPCODE_ROUTING_CHANGE:
 156     HandleRoutingChange(command);
 157     break;
 158   case CEC_OPCODE_ROUTING_INFORMATION:
 159     HandleRoutingInformation(command);
 160     break;
 161   case CEC_OPCODE_STANDBY:
 162     if (m_processor->IsInitialised())
 163       HandleStandby(command);
 164     break;
 165   case CEC_OPCODE_ACTIVE_SOURCE:
 166     HandleActiveSource(command);
 167     break;
 168   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 169     HandleReportPhysicalAddress(command);
 170     break;
 171   case CEC_OPCODE_SET_OSD_NAME:
 172     HandleSetOSDName(command);
 173     break;
 174   case CEC_OPCODE_IMAGE_VIEW_ON:
 175     HandleImageViewOn(command);
 176     break;
 177   case CEC_OPCODE_TEXT_VIEW_ON:
 178     HandleTextViewOn(command);
 179     break;
 180   case CEC_OPCODE_FEATURE_ABORT:
 181     HandleFeatureAbort(command);
 182     break;
 183   case CEC_OPCODE_VENDOR_COMMAND:
 184     HandleVendorCommand(command);
 185     break;
 186   default:
 187     UnhandledCommand(command);
 188     bHandled = false;
 189     break;
 190   }
 191
 192   if (bHandled)
 193     m_waitForResponse->Received((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
 194
 195   return bHandled;
 196 }
 197
 198 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 199 {
 200   if (command.parameters.size == 2)
 201   {
 202     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 203     return m_processor->SetActiveSource(iAddress);
 204   }
 205
 206   return true;
 207 }
 208
 209 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 210 {
 211   CCECBusDevice *device = GetDevice(command.destination);
 212   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 213   {
 214     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 215     return true;
 216   }
 217
 218   return false;
 219 }
 220
 221 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 222 {
 223   if (command.parameters.size == 1)
 224   {
 225     CCECBusDevice *device = GetDevice(command.initiator);
 226     if (device)
 227       device->SetCecVersion((cec_version) command.parameters[0]);
 228   }
 229
 230   return true;
 231 }
 232
 233 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 234 {
 235   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 236     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 237
 238   return true;
 239 }
 240
 241 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 242 {
 243   return SetVendorId(command);
 244 }
 245
 246 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 247 {
 248   if (command.parameters.size == 2 &&
 249         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 250          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 251     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 252   return true;
 253 }
 254
 255 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 256 {
 257   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 258   {
 259     CCECBusDevice *device = GetDevice(command.destination);
 260     if (device)
 261       return device->TransmitCECVersion(command.initiator);
 262   }
 263
 264   return false;
 265 }
 266
 267 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 268 {
 269   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 270   {
 271     CCECBusDevice *device = GetDevice(command.destination);
 272     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 273       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 274   }
 275
 276   return false;
 277 }
 278
 279 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 280 {
 281   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 282   {
 283     CCECBusDevice *device = GetDevice(command.destination);
 284     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 285       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 286   }
 287
 288   return false;
 289 }
 290
 291 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 292 {
 293   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 294   {
 295     CCECBusDevice *device = GetDevice(command.destination);
 296     if (device)
 297       return device->TransmitPowerState(command.initiator);
 298   }
 299
 300   return false;
 301 }
 302
 303 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 304 {
 305   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 306   {
 307     CCECBusDevice *device = GetDevice(command.destination);
 308     if (device)
 309       return device->TransmitVendorID(command.initiator);
 310   }
 311
 312   return false;
 313 }
 314
 315 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 316 {
 317   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 318   {
 319     CCECBusDevice *device = GetDevice(command.destination);
 320     if (device)
 321       return device->TransmitOSDName(command.initiator);
 322   }
 323
 324   return false;
 325 }
 326
 327 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 328 {
 329   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 330   {
 331     CCECBusDevice *device = GetDevice(command.destination);
 332     if (device)
 333     {
 334       device->SetActiveSource();
 335       return device->TransmitPhysicalAddress() &&
 336           device->TransmitImageViewOn() &&
 337           device->TransmitActiveSource();
 338     }
 339   }
 340
 341   return false;
 342 }
 343
 344 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 345 {
 346   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 347   {
 348     CCECBusDevice *device = GetDevice(command.destination);
 349     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 350       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 351   }
 352
 353   return false;
 354 }
 355
 356 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 357 {
 358   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 359   return true;
 360 }
 361
 362 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 363 {
 364   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 365   {
 366     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 367     {
 368       CCECBusDevice *device = GetDevice(command.destination);
 369       if (device)
 370         return device->TransmitMenuState(command.initiator);
 371     }
 372   }
 373
 374   return false;
 375 }
 376
 377 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 378 {
 379   m_busDevice->HandlePoll(command.initiator);
 380   return true;
 381 }
 382
 383 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 384 {
 385   if (command.parameters.size == 1)
 386   {
 387     CCECBusDevice *device = GetDevice(command.initiator);
 388     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 389     {
 390       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 391       return true;
 392     }
 393   }
 394   return false;
 395 }
 396
 397 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 398 {
 399   if (command.parameters.size == 3)
 400   {
 401     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 402     SetPhysicalAddress(command.initiator, iNewAddress);
 403   }
 404   return true;
 405 }
 406
 407 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 408 {
 409   if (command.parameters.size == 1)
 410   {
 411     CCECBusDevice *device = GetDevice(command.initiator);
 412     if (device)
 413       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 414   }
 415   return true;
 416 }
 417
 418 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 419 {
 420   if (m_processor->IsRunning())
 421   {
 422     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 423
 424     vector<CCECBusDevice *> devices;
 425     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 426       devices[iDevicePtr]->TransmitActiveSource();
 427
 428     return true;
 429   }
 430   return false;
 431 }
 432
 433 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 434 {
 435   if (command.parameters.size == 4)
 436   {
 437     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 438     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 439
 440     CCECBusDevice *device = GetDevice(command.initiator);
 441     if (device)
 442       device->SetStreamPath(iNewAddress, iOldAddress);
 443   }
 444   return true;
 445 }
 446
 447 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 448 {
 449   if (command.parameters.size == 2)
 450   {
 451     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 452     m_processor->SetActiveSource(iNewAddress);
 453   }
 454
 455   return false;
 456 }
 457
 458 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 459 {
 460   if (command.parameters.size == 3)
 461   {
 462     CCECBusDevice *device = GetDevice(command.initiator);
 463     if (device)
 464     {
 465       cec_menu_language language;
 466       language.device = command.initiator;
 467       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 468         language.language[iPtr] = command.parameters[iPtr];
 469       language.language[3] = 0;
 470       device->SetMenuLanguage(language);
 471       return true;
 472     }
 473   }
 474   return false;
 475 }
 476
 477 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 478 {
 479   if (command.parameters.size > 0)
 480   {
 481     CCECBusDevice *device = GetDevice(command.initiator);
 482     if (device)
 483     {
 484       char buf[1024];
 485       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 486         buf[iPtr] = (char)command.parameters[iPtr];
 487       buf[command.parameters.size] = 0;
 488
 489       CStdString strName(buf);
 490       device->SetOSDName(strName);
 491
 492       return true;
 493     }
 494   }
 495   return false;
 496 }
 497
 498 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 499 {
 500   if (m_processor->IsRunning() && command.parameters.size >= 2)
 501   {
 502     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 503     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 504
 505     /* one of the device handled by libCEC has been made active */
 506     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 507     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 508     {
 509       device->SetActiveSource();
 510       device->TransmitImageViewOn();
 511       device->TransmitActiveSource();
 512
 513       device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 514       device->TransmitMenuState(command.initiator);
 515     }
 516   }
 517   return false;
 518 }
 519
 520 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 521 {
 522   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 523   {
 524     CCECBusDevice *device = GetDevice(command.destination);
 525     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 526     {
 527       if (command.parameters.size >= 2)
 528       {
 529         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 530         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 531         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 532         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 533         if (newActiveDevice)
 534           newActiveDevice->SetActiveSource();
 535         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 536       }
 537       else
 538       {
 539         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 540         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 541       }
 542     }
 543   }
 544   return false;
 545 }
 546
 547 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 548 {
 549   CCECBusDevice *device = GetDevice(command.initiator);
 550   if (device)
 551     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 552
 553   return true;
 554 }
 555
 556 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 557 {
 558   if (command.parameters.size == 1)
 559   {
 560     CCECBusDevice *device = GetDevice(command.initiator);
 561     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 562     {
 563       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 564       return true;
 565     }
 566   }
 567
 568   return false;
 569 }
 570
 571 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 572 {
 573   if (command.parameters.size == 1)
 574   {
 575     CCECBusDevice *device = GetDevice(command.initiator);
 576     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 577     {
 578       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 579       return true;
 580     }
 581   }
 582
 583   return false;
 584 }
 585
 586 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 587 {
 588   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 589   return true;
 590 }
 591
 592 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 593 {
 594   if (m_processor->IsRunning() &&
 595       m_busDevice->MyLogicalAddressContains(command.destination) &&
 596       command.parameters.size > 0)
 597   {
 598     CLibCEC::AddKey();
 599     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 600       CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]);
 601
 602     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 603         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 604     {
 605       bool bPowerOn(true);
 606       CCECBusDevice *device = GetDevice(command.destination);
 607       if (!device)
 608         return true;
 609
 610       // CEC_USER_CONTROL_CODE_POWER operates as a toggle
 611       // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 612       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER)
 613       {
 614         cec_power_status status = device->GetPowerStatus();
 615         bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 616       }
 617
 618       if (bPowerOn)
 619       {
 620         device->SetActiveSource();
 621         device->TransmitImageViewOn();
 622         device->TransmitActiveSource();
 623
 624         if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 625             device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 626           ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 627       }
 628       else
 629       {
 630         device->SetInactiveSource();
 631         device->TransmitInactiveSource();
 632         device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 633       }
 634     }
 635
 636     return true;
 637   }
 638   return false;
 639 }
 640
 641 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 642 {
 643   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 644     CLibCEC::AddKey();
 645
 646   return true;
 647 }
 648
 649 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 650 {
 651   return true;
 652 }
 653
 654 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 655 {
 656   CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 657 }
 658
 659 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 660 {
 661   size_t iReturn(0);
 662
 663   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 664   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 665   {
 666     if (addresses[iPtr])
 667     {
 668       devices.push_back(GetDevice((cec_logical_address) iPtr));
 669       ++iReturn;
 670     }
 671   }
 672
 673   return iReturn;
 674 }
 675
 676 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 677 {
 678   CCECBusDevice *device = NULL;
 679
 680   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 681     device = m_processor->m_busDevices[iLogicalAddress];
 682
 683   return device;
 684 }
 685
 686 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 687 {
 688   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 689 }
 690
 691 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 692 {
 693   return m_processor->GetDeviceByType(type);
 694 }
 695
 696 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 697 {
 698   bool bChanged(false);
 699   if (command.parameters.size < 3)
 700   {
 701     CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 702     return bChanged;
 703   }
 704
 705   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 706                        ((uint64_t)command.parameters[1] << 8) +
 707                         (uint64_t)command.parameters[2];
 708
 709   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 710   if (device)
 711     bChanged = device->SetVendorId(iVendorId);
 712   return bChanged;
 713 }
 714
 715 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 716 {
 717   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 718   {
 719     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 720     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 721     if (bOurAddress)
 722     {
 723       /* another device reported the same physical address as ours
 724        * since we don't have physical address detection yet, we'll just use the
 725        * given address, increased by 0x100 for now */
 726       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 727     }
 728   }
 729 }
 730
 731 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 732 {
 733   if (iDestination == CECDEVICE_TV)
 734     return TransmitImageViewOn(iInitiator, iDestination);
 735
 736   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 737     TransmitKeyRelease(iInitiator, iDestination);
 738 }
 739
 740 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 741 {
 742   cec_command command;
 743   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 744
 745   return Transmit(command, false);
 746 }
 747
 748 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 749 {
 750   cec_command command;
 751   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 752
 753   return Transmit(command, false);
 754 }
 755
 756 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 757 {
 758   cec_command command;
 759   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 760
 761   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 762 }
 763
 764 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 765 {
 766   cec_command command;
 767   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 768
 769   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 770 }
 771
 772 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 773 {
 774   cec_command command;
 775   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 776
 777   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 778 }
 779
 780 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 781 {
 782   cec_command command;
 783   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 784
 785   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 786 }
 787
 788 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 789 {
 790   cec_command command;
 791   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 792
 793   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 794 }
 795
 796 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 797 {
 798   cec_command command;
 799   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 800
 801   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 802 }
 803
 804 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 805 {
 806   cec_command command;
 807   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 808   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 809   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 810
 811   return Transmit(command, false);
 812 }
 813
 814 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 815 {
 816   cec_command command;
 817   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 818   command.parameters.PushBack((uint8_t)cecVersion);
 819
 820   return Transmit(command, false);
 821 }
 822
 823 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 824 {
 825   cec_command command;
 826   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 827   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 828   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 829
 830   return Transmit(command, false);
 831 }
 832
 833 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 834 {
 835   cec_command command;
 836   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 837   command.parameters.PushBack((uint8_t)menuState);
 838
 839   return Transmit(command, false);
 840 }
 841
 842 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 843 {
 844   cec_command command;
 845   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 846   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 847     command.parameters.PushBack(strDeviceName.at(iPtr));
 848
 849   return Transmit(command, false);
 850 }
 851
 852 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 853 {
 854   cec_command command;
 855   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 856   command.parameters.PushBack((uint8_t)duration);
 857
 858   size_t iLen = strlen(strMessage);
 859   if (iLen > 13) iLen = 13;
 860
 861   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 862     command.parameters.PushBack(strMessage[iPtr]);
 863
 864   return Transmit(command, false);
 865 }
 866
 867 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 868 {
 869   cec_command command;
 870   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 871   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 872   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 873   command.parameters.PushBack((uint8_t) (type));
 874
 875   return Transmit(command, false);
 876 }
 877
 878 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 879 {
 880   cec_command command;
 881   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 882
 883   return Transmit(command, false);
 884 }
 885
 886 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 887 {
 888   cec_command command;
 889   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 890   command.parameters.PushBack((uint8_t) state);
 891
 892   return Transmit(command, false);
 893 }
 894
 895 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 896 {
 897   cec_command command;
 898   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 899
 900   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 901   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 902   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 903
 904   return Transmit(command, false);
 905 }
 906
 907 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 908 {
 909   cec_command command;
 910   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 911   command.parameters.PushBack(state);
 912
 913   return Transmit(command, false);
 914 }
 915
 916 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 917 {
 918   cec_command command;
 919   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 920   command.parameters.PushBack((uint8_t)state);
 921
 922   return Transmit(command, false);
 923 }
 924
 925 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath)
 926 {
 927   cec_command command;
 928   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
 929   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
 930   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
 931
 932   return Transmit(command, false);
 933 }
 934
 935 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 936 {
 937   cec_command command;
 938   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 939   command.parameters.PushBack((uint8_t)state);
 940
 941   return Transmit(command, false);
 942 }
 943
 944 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 945 {
 946   cec_command command;
 947   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 948   command.PushBack((uint8_t)state);
 949
 950   return Transmit(command, false);
 951 }
 952
 953 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 954 {
 955   cec_command command;
 956   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 957   command.parameters.PushBack((uint8_t)key);
 958
 959   return Transmit(command, bWait);
 960 }
 961
 962 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 963 {
 964   cec_command command;
 965   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 966
 967   return Transmit(command, bWait);
 968 }
 969
 970 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 971 {
 972   bool bReturn(false);
 973   command.transmit_timeout = m_iTransmitTimeout;
 974
 975   {
 976     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 977     while (!bReturn && ++iTries <= iMaxTries)
 978     {
 979       if ((bReturn = m_processor->Transmit(command)) == true)
 980       {
 981         CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
 982         if (bExpectResponse)
 983         {
 984           bReturn = m_waitForResponse->Wait(expectedResponse);
 985           CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, m_processor->ToString(expectedResponse));
 986         }
 987       }
 988     }
 989   }
 990
 991   return bReturn;
 992 }
 993
 994 bool CCECCommandHandler::ActivateSource(void)
 995 {
 996   if (m_busDevice->IsActiveSource() &&
 997     m_busDevice->GetStatus(false) == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 998   {
 999     m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1000     m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1001
1002     m_busDevice->TransmitImageViewOn();
1003     m_busDevice->TransmitActiveSource();
1004     m_busDevice->TransmitMenuState(CECDEVICE_TV);
1005     if ((m_busDevice->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1006       m_busDevice->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) &&
1007       SendDeckStatusUpdateOnActiveSource())
1008       ((CCECPlaybackDevice *)m_busDevice)->TransmitDeckStatus(CECDEVICE_TV);
1009     m_bHandlerInited = true;
1010   }
1011   return true;
1012 }