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_GET_MENU_LANGUAGE:
  87     if (m_processor->IsInitialised())
  88       HandleGiveMenuLanguage(command);
  89     break;
  90   case CEC_OPCODE_GIVE_OSD_NAME:
  91     if (m_processor->IsInitialised())
  92       HandleGiveOSDName(command);
  93     break;
  94   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  95     if (m_processor->IsInitialised())
  96       HandleGiveDeviceVendorId(command);
  97     break;
  98   case CEC_OPCODE_DEVICE_VENDOR_ID:
  99     HandleDeviceVendorId(command);
 100     break;
 101   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
 102     HandleDeviceVendorCommandWithId(command);
 103     break;
 104   case CEC_OPCODE_GIVE_DECK_STATUS:
 105     if (m_processor->IsInitialised())
 106       HandleGiveDeckStatus(command);
 107     break;
 108   case CEC_OPCODE_DECK_CONTROL:
 109     HandleDeckControl(command);
 110     break;
 111   case CEC_OPCODE_MENU_REQUEST:
 112     if (m_processor->IsInitialised())
 113       HandleMenuRequest(command);
 114     break;
 115   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 116     if (m_processor->IsInitialised())
 117       HandleGiveDevicePowerStatus(command);
 118     break;
 119   case CEC_OPCODE_GET_CEC_VERSION:
 120     if (m_processor->IsInitialised())
 121       HandleGetCecVersion(command);
 122     break;
 123   case CEC_OPCODE_USER_CONTROL_PRESSED:
 124     if (m_processor->IsInitialised())
 125       HandleUserControlPressed(command);
 126     break;
 127   case CEC_OPCODE_USER_CONTROL_RELEASE:
 128     if (m_processor->IsInitialised())
 129       HandleUserControlRelease(command);
 130     break;
 131   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 132     if (m_processor->IsInitialised())
 133       HandleGiveAudioStatus(command);
 134     break;
 135   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 136     if (m_processor->IsInitialised())
 137       HandleGiveSystemAudioModeStatus(command);
 138     break;
 139   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 140     if (m_processor->IsInitialised())
 141       HandleSystemAudioModeRequest(command);
 142     break;
 143   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 144     HandleReportAudioStatus(command);
 145     break;
 146   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 147     HandleSystemAudioModeStatus(command);
 148     break;
 149   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 150     HandleSetSystemAudioMode(command);
 151     break;
 152   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 153     if (m_processor->IsInitialised())
 154       HandleRequestActiveSource(command);
 155     break;
 156   case CEC_OPCODE_SET_STREAM_PATH:
 157     HandleSetStreamPath(command);
 158     break;
 159   case CEC_OPCODE_ROUTING_CHANGE:
 160     HandleRoutingChange(command);
 161     break;
 162   case CEC_OPCODE_ROUTING_INFORMATION:
 163     HandleRoutingInformation(command);
 164     break;
 165   case CEC_OPCODE_STANDBY:
 166     if (m_processor->IsInitialised())
 167       HandleStandby(command);
 168     break;
 169   case CEC_OPCODE_ACTIVE_SOURCE:
 170     HandleActiveSource(command);
 171     break;
 172   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 173     HandleReportPhysicalAddress(command);
 174     break;
 175   case CEC_OPCODE_SET_OSD_NAME:
 176     HandleSetOSDName(command);
 177     break;
 178   case CEC_OPCODE_IMAGE_VIEW_ON:
 179     HandleImageViewOn(command);
 180     break;
 181   case CEC_OPCODE_TEXT_VIEW_ON:
 182     HandleTextViewOn(command);
 183     break;
 184   case CEC_OPCODE_FEATURE_ABORT:
 185     HandleFeatureAbort(command);
 186     break;
 187   case CEC_OPCODE_VENDOR_COMMAND:
 188     HandleVendorCommand(command);
 189     break;
 190   default:
 191     UnhandledCommand(command);
 192     bHandled = false;
 193     break;
 194   }
 195
 196   if (bHandled)
 197     m_waitForResponse->Received((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
 198
 199   return bHandled;
 200 }
 201
 202 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 203 {
 204   if (command.parameters.size == 2)
 205   {
 206     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 207     return m_processor->SetActiveSource(iAddress);
 208   }
 209
 210   return true;
 211 }
 212
 213 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 214 {
 215   CCECBusDevice *device = GetDevice(command.destination);
 216   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 217   {
 218     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 219     return true;
 220   }
 221
 222   return false;
 223 }
 224
 225 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 226 {
 227   if (command.parameters.size == 1)
 228   {
 229     CCECBusDevice *device = GetDevice(command.initiator);
 230     if (device)
 231       device->SetCecVersion((cec_version) command.parameters[0]);
 232   }
 233
 234   return true;
 235 }
 236
 237 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 238 {
 239   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 240     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 241
 242   return true;
 243 }
 244
 245 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 246 {
 247   return SetVendorId(command);
 248 }
 249
 250 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 251 {
 252   if (command.parameters.size == 2 &&
 253         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 254          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 255     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 256   return true;
 257 }
 258
 259 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 260 {
 261   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 262   {
 263     CCECBusDevice *device = GetDevice(command.destination);
 264     if (device)
 265       return device->TransmitCECVersion(command.initiator);
 266   }
 267
 268   return false;
 269 }
 270
 271 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 272 {
 273   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 274   {
 275     CCECBusDevice *device = GetDevice(command.destination);
 276     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 277       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 278   }
 279
 280   return false;
 281 }
 282
 283 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 284 {
 285   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 286   {
 287     CCECBusDevice *device = GetDevice(command.destination);
 288     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 289       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 290   }
 291
 292   return false;
 293 }
 294
 295 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 296 {
 297   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 298   {
 299     CCECBusDevice *device = GetDevice(command.destination);
 300     if (device)
 301       return device->TransmitPowerState(command.initiator);
 302   }
 303
 304   return false;
 305 }
 306
 307 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 308 {
 309   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 310   {
 311     CCECBusDevice *device = GetDevice(command.destination);
 312     if (device)
 313       return device->TransmitVendorID(command.initiator);
 314   }
 315
 316   return false;
 317 }
 318
 319 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 320 {
 321   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 322   {
 323     CCECBusDevice *device = GetDevice(command.destination);
 324     if (device)
 325       return device->TransmitOSDName(command.initiator);
 326   }
 327
 328   return false;
 329 }
 330
 331 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 332 {
 333   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 334   {
 335     CCECBusDevice *device = GetDevice(command.destination);
 336     if (device)
 337     {
 338       device->SetActiveSource();
 339       return device->TransmitPhysicalAddress() &&
 340           device->TransmitImageViewOn() &&
 341           device->TransmitActiveSource();
 342     }
 343   }
 344
 345   return false;
 346 }
 347
 348 bool CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
 349 {
 350   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 351   {
 352     CCECBusDevice *device = GetDevice(command.destination);
 353     if (device)
 354       return device->TransmitSetMenuLanguage(command.initiator);
 355   }
 356
 357   return false;
 358 }
 359
 360 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 361 {
 362   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 363   {
 364     CCECBusDevice *device = GetDevice(command.destination);
 365     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 366       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 367   }
 368
 369   return false;
 370 }
 371
 372 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 373 {
 374   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 375   return true;
 376 }
 377
 378 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 379 {
 380   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 381   {
 382     CCECBusDevice *device = GetDevice(command.destination);
 383     if (device)
 384     {
 385       if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
 386       {
 387         if (CLibCEC::MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
 388           device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 389       }
 390       else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
 391       {
 392         if (CLibCEC::MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
 393           device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 394       }
 395       return device->TransmitMenuState(command.initiator);
 396     }
 397   }
 398
 399   return false;
 400 }
 401
 402 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 403 {
 404   m_busDevice->HandlePoll(command.destination);
 405   return true;
 406 }
 407
 408 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 409 {
 410   if (command.parameters.size == 1)
 411   {
 412     CCECBusDevice *device = GetDevice(command.initiator);
 413     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 414     {
 415       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 416       return true;
 417     }
 418   }
 419   return false;
 420 }
 421
 422 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 423 {
 424   if (command.parameters.size == 3)
 425   {
 426     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 427     SetPhysicalAddress(command.initiator, iNewAddress);
 428   }
 429   return true;
 430 }
 431
 432 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 433 {
 434   if (command.parameters.size == 1)
 435   {
 436     CCECBusDevice *device = GetDevice(command.initiator);
 437     if (device)
 438       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 439   }
 440   return true;
 441 }
 442
 443 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 444 {
 445   if (m_processor->IsRunning())
 446   {
 447     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 448
 449     vector<CCECBusDevice *> devices;
 450     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 451       devices[iDevicePtr]->TransmitActiveSource();
 452
 453     return true;
 454   }
 455   return false;
 456 }
 457
 458 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 459 {
 460   if (command.parameters.size == 4)
 461   {
 462     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 463     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 464
 465     CCECBusDevice *device = GetDevice(command.initiator);
 466     if (device)
 467       device->SetStreamPath(iNewAddress, iOldAddress);
 468   }
 469   return true;
 470 }
 471
 472 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 473 {
 474   if (command.parameters.size == 2)
 475   {
 476     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 477     m_processor->SetActiveSource(iNewAddress);
 478   }
 479
 480   return false;
 481 }
 482
 483 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 484 {
 485   if (command.parameters.size == 3)
 486   {
 487     CCECBusDevice *device = GetDevice(command.initiator);
 488     if (device)
 489     {
 490       cec_menu_language language;
 491       language.device = command.initiator;
 492       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 493         language.language[iPtr] = command.parameters[iPtr];
 494       language.language[3] = 0;
 495       device->SetMenuLanguage(language);
 496       return true;
 497     }
 498   }
 499   return false;
 500 }
 501
 502 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 503 {
 504   if (command.parameters.size > 0)
 505   {
 506     CCECBusDevice *device = GetDevice(command.initiator);
 507     if (device)
 508     {
 509       char buf[1024];
 510       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 511         buf[iPtr] = (char)command.parameters[iPtr];
 512       buf[command.parameters.size] = 0;
 513
 514       CStdString strName(buf);
 515       device->SetOSDName(strName);
 516
 517       return true;
 518     }
 519   }
 520   return false;
 521 }
 522
 523 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 524 {
 525   if (m_processor->IsRunning() && command.parameters.size >= 2)
 526   {
 527     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 528     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 529
 530     /* one of the device handled by libCEC has been made active */
 531     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 532     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 533     {
 534       device->SetActiveSource();
 535       device->TransmitImageViewOn();
 536       device->TransmitActiveSource();
 537
 538       device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 539       device->TransmitMenuState(command.initiator);
 540     }
 541   }
 542   return false;
 543 }
 544
 545 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 546 {
 547   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 548   {
 549     CCECBusDevice *device = GetDevice(command.destination);
 550     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 551     {
 552       if (command.parameters.size >= 2)
 553       {
 554         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 555         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 556         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 557         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 558         if (newActiveDevice)
 559           newActiveDevice->SetActiveSource();
 560         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 561       }
 562       else
 563       {
 564         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 565         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 566       }
 567     }
 568   }
 569   return false;
 570 }
 571
 572 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 573 {
 574   CCECBusDevice *device = GetDevice(command.initiator);
 575   if (device)
 576     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 577
 578   return true;
 579 }
 580
 581 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 582 {
 583   if (command.parameters.size == 1)
 584   {
 585     CCECBusDevice *device = GetDevice(command.initiator);
 586     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 587     {
 588       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 589       return true;
 590     }
 591   }
 592
 593   return false;
 594 }
 595
 596 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 597 {
 598   if (command.parameters.size == 1)
 599   {
 600     CCECBusDevice *device = GetDevice(command.initiator);
 601     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 602     {
 603       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 604       return true;
 605     }
 606   }
 607
 608   return false;
 609 }
 610
 611 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 612 {
 613   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 614   return true;
 615 }
 616
 617 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 618 {
 619   if (m_processor->IsRunning() &&
 620       m_busDevice->MyLogicalAddressContains(command.destination) &&
 621       command.parameters.size > 0)
 622   {
 623     CLibCEC::AddKey();
 624     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 625       CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]);
 626
 627     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 628         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 629     {
 630       bool bPowerOn(true);
 631       CCECBusDevice *device = GetDevice(command.destination);
 632       if (!device)
 633         return true;
 634
 635       // CEC_USER_CONTROL_CODE_POWER operates as a toggle
 636       // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 637       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER)
 638       {
 639         cec_power_status status = device->GetPowerStatus();
 640         bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 641       }
 642
 643       if (bPowerOn)
 644       {
 645         device->SetActiveSource();
 646         device->TransmitImageViewOn();
 647         device->TransmitActiveSource();
 648
 649         if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 650             device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 651           ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 652       }
 653       else
 654       {
 655         device->SetInactiveSource();
 656         device->TransmitInactiveSource();
 657         device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 658       }
 659     }
 660
 661     return true;
 662   }
 663   return false;
 664 }
 665
 666 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 667 {
 668   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 669     CLibCEC::AddKey();
 670
 671   return true;
 672 }
 673
 674 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 675 {
 676   return true;
 677 }
 678
 679 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 680 {
 681   CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 682 }
 683
 684 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 685 {
 686   size_t iReturn(0);
 687
 688   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 689   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 690   {
 691     if (addresses[iPtr])
 692     {
 693       devices.push_back(GetDevice((cec_logical_address) iPtr));
 694       ++iReturn;
 695     }
 696   }
 697
 698   return iReturn;
 699 }
 700
 701 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 702 {
 703   CCECBusDevice *device = NULL;
 704
 705   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 706     device = m_processor->m_busDevices[iLogicalAddress];
 707
 708   return device;
 709 }
 710
 711 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 712 {
 713   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 714 }
 715
 716 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 717 {
 718   return m_processor->GetDeviceByType(type);
 719 }
 720
 721 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 722 {
 723   bool bChanged(false);
 724   if (command.parameters.size < 3)
 725   {
 726     CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 727     return bChanged;
 728   }
 729
 730   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 731                        ((uint64_t)command.parameters[1] << 8) +
 732                         (uint64_t)command.parameters[2];
 733
 734   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 735   if (device)
 736     bChanged = device->SetVendorId(iVendorId);
 737   return bChanged;
 738 }
 739
 740 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 741 {
 742   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 743   {
 744     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 745     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 746     if (bOurAddress)
 747     {
 748       /* another device reported the same physical address as ours
 749        * since we don't have physical address detection yet, we'll just use the
 750        * given address, increased by 0x100 for now */
 751       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 752     }
 753   }
 754 }
 755
 756 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 757 {
 758   if (iDestination == CECDEVICE_TV)
 759     return TransmitImageViewOn(iInitiator, iDestination);
 760
 761   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 762     TransmitKeyRelease(iInitiator, iDestination);
 763 }
 764
 765 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 766 {
 767   cec_command command;
 768   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 769
 770   return Transmit(command, false);
 771 }
 772
 773 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 774 {
 775   cec_command command;
 776   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 777
 778   return Transmit(command, false);
 779 }
 780
 781 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 782 {
 783   cec_command command;
 784   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 785
 786   return Transmit(command, bWaitForResponse, CEC_OPCODE_CEC_VERSION);
 787 }
 788
 789 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 790 {
 791   cec_command command;
 792   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 793
 794   return Transmit(command, bWaitForResponse, CEC_OPCODE_SET_MENU_LANGUAGE);
 795 }
 796
 797 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 798 {
 799   cec_command command;
 800   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 801
 802   return Transmit(command, bWaitForResponse, CEC_OPCODE_SET_OSD_NAME);
 803 }
 804
 805 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 806 {
 807   cec_command command;
 808   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 809
 810   return Transmit(command, bWaitForResponse, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 811 }
 812
 813 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 814 {
 815   cec_command command;
 816   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 817
 818   return Transmit(command, bWaitForResponse, CEC_OPCODE_REPORT_POWER_STATUS);
 819 }
 820
 821 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 822 {
 823   cec_command command;
 824   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 825
 826   return Transmit(command, bWaitForResponse, CEC_OPCODE_DEVICE_VENDOR_ID);
 827 }
 828
 829 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 830 {
 831   cec_command command;
 832   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 833   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 834   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 835
 836   return Transmit(command, false);
 837 }
 838
 839 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 840 {
 841   cec_command command;
 842   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 843   command.parameters.PushBack((uint8_t)cecVersion);
 844
 845   return Transmit(command, false);
 846 }
 847
 848 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 849 {
 850   cec_command command;
 851   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 852   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 853   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 854
 855   return Transmit(command, false);
 856 }
 857
 858 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 859 {
 860   cec_command command;
 861   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 862   command.parameters.PushBack((uint8_t)menuState);
 863
 864   return Transmit(command, false);
 865 }
 866
 867 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 868 {
 869   cec_command command;
 870   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 871   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 872     command.parameters.PushBack(strDeviceName.at(iPtr));
 873
 874   return Transmit(command, false);
 875 }
 876
 877 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 878 {
 879   cec_command command;
 880   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 881   command.parameters.PushBack((uint8_t)duration);
 882
 883   size_t iLen = strlen(strMessage);
 884   if (iLen > 13) iLen = 13;
 885
 886   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 887     command.parameters.PushBack(strMessage[iPtr]);
 888
 889   return Transmit(command, false);
 890 }
 891
 892 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 893 {
 894   cec_command command;
 895   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 896   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 897   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 898   command.parameters.PushBack((uint8_t) (type));
 899
 900   return Transmit(command, false);
 901 }
 902
 903 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[3])
 904 {
 905   cec_command command;
 906   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
 907   command.parameters.PushBack((uint8_t) lang[0]);
 908   command.parameters.PushBack((uint8_t) lang[1]);
 909   command.parameters.PushBack((uint8_t) lang[2]);
 910
 911   return Transmit(command, false);
 912 }
 913
 914 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 915 {
 916   cec_command command;
 917   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 918
 919   return Transmit(command, false);
 920 }
 921
 922 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 923 {
 924   cec_command command;
 925   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 926   command.parameters.PushBack((uint8_t) state);
 927
 928   return Transmit(command, false);
 929 }
 930
 931 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 932 {
 933   cec_command command;
 934   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 935
 936   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 937   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 938   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 939
 940   return Transmit(command, false);
 941 }
 942
 943 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 944 {
 945   cec_command command;
 946   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 947   command.parameters.PushBack(state);
 948
 949   return Transmit(command, false);
 950 }
 951
 952 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 953 {
 954   cec_command command;
 955   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 956   command.parameters.PushBack((uint8_t)state);
 957
 958   return Transmit(command, false);
 959 }
 960
 961 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath)
 962 {
 963   cec_command command;
 964   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
 965   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
 966   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
 967
 968   return Transmit(command, false);
 969 }
 970
 971 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 972 {
 973   cec_command command;
 974   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 975   command.parameters.PushBack((uint8_t)state);
 976
 977   return Transmit(command, false);
 978 }
 979
 980 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 981 {
 982   cec_command command;
 983   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 984   command.PushBack((uint8_t)state);
 985
 986   return Transmit(command, false);
 987 }
 988
 989 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 990 {
 991   cec_command command;
 992   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 993   command.parameters.PushBack((uint8_t)key);
 994
 995   return Transmit(command, bWait);
 996 }
 997
 998 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 999 {
1000   cec_command command;
1001   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1002
1003   return Transmit(command, bWait);
1004 }
1005
1006 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
1007 {
1008   bool bReturn(false);
1009   command.transmit_timeout = m_iTransmitTimeout;
1010
1011   if (command.initiator == CECDEVICE_UNKNOWN)
1012   {
1013     CLibCEC::AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1014     return bReturn;
1015   }
1016
1017   {
1018     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
1019     while (!bReturn && ++iTries <= iMaxTries)
1020     {
1021       if ((bReturn = m_processor->Transmit(command)) == true)
1022       {
1023         CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
1024         if (bExpectResponse)
1025         {
1026           bReturn = m_waitForResponse->Wait(expectedResponse);
1027           CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, m_processor->ToString(expectedResponse));
1028         }
1029       }
1030     }
1031   }
1032
1033   return bReturn;
1034 }
1035
1036 bool CCECCommandHandler::ActivateSource(void)
1037 {
1038   if (m_busDevice->IsActiveSource() &&
1039     m_busDevice->GetStatus(false) == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1040   {
1041     m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1042     m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1043
1044     m_busDevice->TransmitImageViewOn();
1045     m_busDevice->TransmitActiveSource();
1046     m_busDevice->TransmitMenuState(CECDEVICE_TV);
1047     if ((m_busDevice->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
1048       m_busDevice->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) &&
1049       SendDeckStatusUpdateOnActiveSource())
1050       ((CCECPlaybackDevice *)m_busDevice)->TransmitDeckStatus(CECDEVICE_TV);
1051     m_bHandlerInited = true;
1052   }
1053   return true;
1054 }