src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "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_iUseCounter(0),
  52     m_expectedResponse(CEC_OPCODE_NONE),
  53     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  54     m_vendorId(CEC_VENDOR_UNKNOWN)
  55 {
  56 }
  57
  58 CCECCommandHandler::~CCECCommandHandler(void)
  59 {
  60   CLockObject lock(m_processor->m_transmitMutex);
  61   CLockObject receiveLock(m_receiveMutex);
  62   m_condition.Broadcast();
  63 }
  64
  65 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  66 {
  67   bool bHandled(true);
  68
  69   MarkBusy();
  70   CLibCEC::AddLog(CEC_LOG_NOTICE, ">> %s (%X) -> %s (%X): %s (%2X)", m_processor->ToString(command.initiator), command.initiator, m_processor->ToString(command.destination), command.destination, m_processor->ToString(command.opcode), command.opcode);
  71
  72   m_processor->AddCommand(command);
  73
  74   switch(command.opcode)
  75   {
  76   case CEC_OPCODE_REPORT_POWER_STATUS:
  77     HandleReportPowerStatus(command);
  78     break;
  79   case CEC_OPCODE_CEC_VERSION:
  80     HandleDeviceCecVersion(command);
  81     break;
  82   case CEC_OPCODE_SET_MENU_LANGUAGE:
  83     HandleSetMenuLanguage(command);
  84     break;
  85   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  86     if (m_processor->IsInitialised())
  87       HandleGivePhysicalAddress(command);
  88     break;
  89   case CEC_OPCODE_GIVE_OSD_NAME:
  90     if (m_processor->IsInitialised())
  91       HandleGiveOSDName(command);
  92     break;
  93   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  94     if (m_processor->IsInitialised())
  95       HandleGiveDeviceVendorId(command);
  96     break;
  97   case CEC_OPCODE_DEVICE_VENDOR_ID:
  98     HandleDeviceVendorId(command);
  99     break;
 100   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
 101     HandleDeviceVendorCommandWithId(command);
 102     break;
 103   case CEC_OPCODE_GIVE_DECK_STATUS:
 104     if (m_processor->IsInitialised())
 105       HandleGiveDeckStatus(command);
 106     break;
 107   case CEC_OPCODE_DECK_CONTROL:
 108     HandleDeckControl(command);
 109     break;
 110   case CEC_OPCODE_MENU_REQUEST:
 111     if (m_processor->IsInitialised())
 112       HandleMenuRequest(command);
 113     break;
 114   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 115     if (m_processor->IsInitialised())
 116       HandleGiveDevicePowerStatus(command);
 117     break;
 118   case CEC_OPCODE_GET_CEC_VERSION:
 119     if (m_processor->IsInitialised())
 120       HandleGetCecVersion(command);
 121     break;
 122   case CEC_OPCODE_USER_CONTROL_PRESSED:
 123     if (m_processor->IsInitialised())
 124       HandleUserControlPressed(command);
 125     break;
 126   case CEC_OPCODE_USER_CONTROL_RELEASE:
 127     if (m_processor->IsInitialised())
 128       HandleUserControlRelease(command);
 129     break;
 130   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 131     if (m_processor->IsInitialised())
 132       HandleGiveAudioStatus(command);
 133     break;
 134   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 135     if (m_processor->IsInitialised())
 136       HandleGiveSystemAudioModeStatus(command);
 137     break;
 138   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 139     if (m_processor->IsInitialised())
 140       HandleSystemAudioModeRequest(command);
 141     break;
 142   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 143     HandleReportAudioStatus(command);
 144     break;
 145   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 146     HandleSystemAudioModeStatus(command);
 147     break;
 148   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 149     HandleSetSystemAudioMode(command);
 150     break;
 151   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 152     if (m_processor->IsInitialised())
 153       HandleRequestActiveSource(command);
 154     break;
 155   case CEC_OPCODE_SET_STREAM_PATH:
 156     HandleSetStreamPath(command);
 157     break;
 158   case CEC_OPCODE_ROUTING_CHANGE:
 159     HandleRoutingChange(command);
 160     break;
 161   case CEC_OPCODE_ROUTING_INFORMATION:
 162     HandleRoutingInformation(command);
 163     break;
 164   case CEC_OPCODE_STANDBY:
 165     if (m_processor->IsInitialised())
 166       HandleStandby(command);
 167     break;
 168   case CEC_OPCODE_ACTIVE_SOURCE:
 169     HandleActiveSource(command);
 170     break;
 171   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 172     HandleReportPhysicalAddress(command);
 173     break;
 174   case CEC_OPCODE_SET_OSD_NAME:
 175     HandleSetOSDName(command);
 176     break;
 177   case CEC_OPCODE_IMAGE_VIEW_ON:
 178     HandleImageViewOn(command);
 179     break;
 180   case CEC_OPCODE_TEXT_VIEW_ON:
 181     HandleTextViewOn(command);
 182     break;
 183   case CEC_OPCODE_FEATURE_ABORT:
 184     HandleFeatureAbort(command);
 185     break;
 186   case CEC_OPCODE_VENDOR_COMMAND:
 187     HandleVendorCommand(command);
 188     break;
 189   default:
 190     UnhandledCommand(command);
 191     bHandled = false;
 192     break;
 193   }
 194
 195   if (bHandled)
 196   {
 197     CLockObject lock(m_receiveMutex);
 198     if (m_expectedResponse == CEC_OPCODE_NONE ||
 199         m_expectedResponse == command.opcode)
 200       m_condition.Signal();
 201   }
 202
 203   MarkReady();
 204   return bHandled;
 205 }
 206
 207 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 208 {
 209   if (command.parameters.size == 2)
 210   {
 211     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 212     return m_processor->SetActiveSource(iAddress);
 213   }
 214
 215   return true;
 216 }
 217
 218 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 219 {
 220   CCECBusDevice *device = GetDevice(command.destination);
 221   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 222   {
 223     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 224     return true;
 225   }
 226
 227   return false;
 228 }
 229
 230 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 231 {
 232   if (command.parameters.size == 1)
 233   {
 234     CCECBusDevice *device = GetDevice(command.initiator);
 235     if (device)
 236       device->SetCecVersion((cec_version) command.parameters[0]);
 237   }
 238
 239   return true;
 240 }
 241
 242 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 243 {
 244   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 245     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 246
 247   return true;
 248 }
 249
 250 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 251 {
 252   return SetVendorId(command);
 253 }
 254
 255 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 256 {
 257   if (command.parameters.size == 2)
 258   {
 259     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 260   }
 261   return true;
 262 }
 263
 264 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 265 {
 266   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 267   {
 268     CCECBusDevice *device = GetDevice(command.destination);
 269     if (device)
 270       return device->TransmitCECVersion(command.initiator);
 271   }
 272
 273   return false;
 274 }
 275
 276 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 277 {
 278   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 279   {
 280     CCECBusDevice *device = GetDevice(command.destination);
 281     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 282       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 283   }
 284
 285   return false;
 286 }
 287
 288 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 289 {
 290   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 291   {
 292     CCECBusDevice *device = GetDevice(command.destination);
 293     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 294       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 295   }
 296
 297   return false;
 298 }
 299
 300 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 301 {
 302   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 303   {
 304     CCECBusDevice *device = GetDevice(command.destination);
 305     if (device)
 306       return device->TransmitPowerState(command.initiator);
 307   }
 308
 309   return false;
 310 }
 311
 312 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 313 {
 314   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 315   {
 316     CCECBusDevice *device = GetDevice(command.destination);
 317     if (device)
 318       return device->TransmitVendorID(command.initiator);
 319   }
 320
 321   return false;
 322 }
 323
 324 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 325 {
 326   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 327   {
 328     CCECBusDevice *device = GetDevice(command.destination);
 329     if (device)
 330       return device->TransmitOSDName(command.initiator);
 331   }
 332
 333   return false;
 334 }
 335
 336 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 337 {
 338   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 339   {
 340     CCECBusDevice *device = GetDevice(command.destination);
 341     if (device)
 342     {
 343       device->SetActiveSource();
 344       return device->TransmitPhysicalAddress() &&
 345           device->TransmitActiveSource();
 346     }
 347   }
 348
 349   return false;
 350 }
 351
 352 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 353 {
 354   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 355   {
 356     CCECBusDevice *device = GetDevice(command.destination);
 357     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 358       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 359   }
 360
 361   return false;
 362 }
 363
 364 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 365 {
 366   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 367   return true;
 368 }
 369
 370 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 371 {
 372   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 373   {
 374     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 375     {
 376       CCECBusDevice *device = GetDevice(command.destination);
 377       if (device)
 378         return device->TransmitMenuState(command.initiator);
 379     }
 380   }
 381
 382   return false;
 383 }
 384
 385 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 386 {
 387   if (command.parameters.size == 1)
 388   {
 389     CCECBusDevice *device = GetDevice(command.initiator);
 390     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 391     {
 392       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 393       return true;
 394     }
 395   }
 396   return false;
 397 }
 398
 399 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 400 {
 401   if (command.parameters.size == 3)
 402   {
 403     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 404     SetPhysicalAddress(command.initiator, iNewAddress);
 405   }
 406   return true;
 407 }
 408
 409 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 410 {
 411   if (command.parameters.size == 1)
 412   {
 413     CCECBusDevice *device = GetDevice(command.initiator);
 414     if (device)
 415       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 416   }
 417   return true;
 418 }
 419
 420 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 421 {
 422   if (m_processor->IsStarted())
 423   {
 424     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 425
 426     vector<CCECBusDevice *> devices;
 427     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 428       devices[iDevicePtr]->TransmitActiveSource();
 429
 430     return true;
 431   }
 432   return false;
 433 }
 434
 435 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 436 {
 437   if (command.parameters.size == 4)
 438   {
 439     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 440     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 441
 442     CCECBusDevice *device = GetDevice(command.initiator);
 443     if (device)
 444       device->SetStreamPath(iNewAddress, iOldAddress);
 445   }
 446   return true;
 447 }
 448
 449 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 450 {
 451   if (command.parameters.size == 2)
 452   {
 453     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 454     m_processor->SetActiveSource(iNewAddress);
 455   }
 456
 457   return false;
 458 }
 459
 460 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 461 {
 462   if (command.parameters.size == 3)
 463   {
 464     CCECBusDevice *device = GetDevice(command.initiator);
 465     if (device)
 466     {
 467       cec_menu_language language;
 468       language.device = command.initiator;
 469       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 470         language.language[iPtr] = command.parameters[iPtr];
 471       language.language[3] = 0;
 472       device->SetMenuLanguage(language);
 473       return true;
 474     }
 475   }
 476   return false;
 477 }
 478
 479 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 480 {
 481   if (command.parameters.size > 0)
 482   {
 483     CCECBusDevice *device = GetDevice(command.initiator);
 484     if (device)
 485     {
 486       char buf[1024];
 487       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 488         buf[iPtr] = (char)command.parameters[iPtr];
 489       buf[command.parameters.size] = 0;
 490
 491       CStdString strName(buf);
 492       device->SetOSDName(strName);
 493
 494       return true;
 495     }
 496   }
 497   return false;
 498 }
 499
 500 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 501 {
 502   if (m_processor->IsStarted() && command.parameters.size >= 2)
 503   {
 504     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 505     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 506
 507     /* one of the device handled by libCEC has been made active */
 508     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 509     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 510     {
 511       device->SetActiveSource();
 512       device->TransmitActiveSource();
 513     }
 514   }
 515   return false;
 516 }
 517
 518 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 519 {
 520   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 521   {
 522     CCECBusDevice *device = GetDevice(command.destination);
 523     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 524     {
 525       if (command.parameters.size >= 2)
 526       {
 527         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 528         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 529         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 530         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 531         if (newActiveDevice)
 532           newActiveDevice->SetActiveSource();
 533         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 534       }
 535       else
 536       {
 537         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 538         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 539       }
 540     }
 541   }
 542   return false;
 543 }
 544
 545 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 546 {
 547   CCECBusDevice *device = GetDevice(command.initiator);
 548   if (device)
 549     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 550
 551   return true;
 552 }
 553
 554 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 555 {
 556   if (command.parameters.size == 1)
 557   {
 558     CCECBusDevice *device = GetDevice(command.initiator);
 559     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 560     {
 561       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 562       return true;
 563     }
 564   }
 565
 566   return false;
 567 }
 568
 569 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 570 {
 571   if (command.parameters.size == 1)
 572   {
 573     CCECBusDevice *device = GetDevice(command.initiator);
 574     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 575     {
 576       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 577       return true;
 578     }
 579   }
 580
 581   return false;
 582 }
 583
 584 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 585 {
 586   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 587   return true;
 588 }
 589
 590 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 591 {
 592   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 593   {
 594     m_processor->AddKey();
 595
 596     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 597     {
 598       CLibCEC::AddLog(CEC_LOG_DEBUG, "key pressed: %x", command.parameters[0]);
 599
 600       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 601           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 602       {
 603         CCECBusDevice *device = GetDevice(command.destination);
 604         if (device)
 605         {
 606           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 607           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 608           {
 609             device->SetActiveSource();
 610             device->TransmitActiveSource();
 611
 612             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 613                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 614               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 615           }
 616         }
 617       }
 618       else
 619       {
 620         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 621       }
 622       return true;
 623     }
 624   }
 625   return false;
 626 }
 627
 628 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 629 {
 630   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 631     m_processor->AddKey();
 632
 633   return true;
 634 }
 635
 636 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 637 {
 638   return true;
 639 }
 640
 641 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 642 {
 643   CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 644 }
 645
 646 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 647 {
 648   size_t iReturn(0);
 649
 650   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 651   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 652   {
 653     if (addresses[iPtr])
 654     {
 655       devices.push_back(GetDevice((cec_logical_address) iPtr));
 656       ++iReturn;
 657     }
 658   }
 659
 660   return iReturn;
 661 }
 662
 663 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 664 {
 665   CCECBusDevice *device = NULL;
 666
 667   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 668     device = m_processor->m_busDevices[iLogicalAddress];
 669
 670   return device;
 671 }
 672
 673 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 674 {
 675   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 676 }
 677
 678 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 679 {
 680   return m_processor->GetDeviceByType(type);
 681 }
 682
 683 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 684 {
 685   bool bChanged(false);
 686   if (command.parameters.size < 3)
 687   {
 688     CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 689     return bChanged;
 690   }
 691
 692   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 693                        ((uint64_t)command.parameters[1] << 8) +
 694                         (uint64_t)command.parameters[2];
 695
 696   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 697   if (device)
 698     bChanged = device->SetVendorId(iVendorId);
 699   return bChanged;
 700 }
 701
 702 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 703 {
 704   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 705   {
 706     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 707     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 708     if (bOurAddress)
 709     {
 710       /* another device reported the same physical address as ours
 711        * since we don't have physical address detection yet, we'll just use the
 712        * given address, increased by 0x100 for now */
 713       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 714     }
 715   }
 716 }
 717
 718 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 719 {
 720   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 721 }
 722
 723 bool CCECCommandHandler::HandleReceiveFailed(void)
 724 {
 725   /* default = error */
 726   return true;
 727 }
 728
 729 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 730 {
 731   cec_command command;
 732   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 733
 734   return Transmit(command, false);
 735 }
 736
 737 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 738 {
 739   cec_command command;
 740   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 741
 742   return Transmit(command, false);
 743 }
 744
 745 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 746 {
 747   cec_command command;
 748   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 749
 750   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 751 }
 752
 753 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 754 {
 755   cec_command command;
 756   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 757
 758   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 759 }
 760
 761 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 762 {
 763   cec_command command;
 764   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 765
 766   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 767 }
 768
 769 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 770 {
 771   cec_command command;
 772   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 773
 774   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 775 }
 776
 777 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 778 {
 779   cec_command command;
 780   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 781
 782   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 783 }
 784
 785 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 786 {
 787   cec_command command;
 788   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 789
 790   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 791 }
 792
 793 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 794 {
 795   cec_command command;
 796   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 797   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 798   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 799
 800   return Transmit(command, false);
 801 }
 802
 803 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 804 {
 805   cec_command command;
 806   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 807   command.parameters.PushBack((uint8_t)cecVersion);
 808
 809   return Transmit(command, false);
 810 }
 811
 812 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 813 {
 814   cec_command command;
 815   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 816   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 817   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 818
 819   return Transmit(command, false);
 820 }
 821
 822 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 823 {
 824   cec_command command;
 825   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 826   command.parameters.PushBack((uint8_t)menuState);
 827
 828   return Transmit(command, false);
 829 }
 830
 831 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 832 {
 833   cec_command command;
 834   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 835   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 836     command.parameters.PushBack(strDeviceName.at(iPtr));
 837
 838   return Transmit(command, false);
 839 }
 840
 841 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 842 {
 843   cec_command command;
 844   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 845   command.parameters.PushBack((uint8_t)duration);
 846
 847   size_t iLen = strlen(strMessage);
 848   if (iLen > 13) iLen = 13;
 849
 850   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 851     command.parameters.PushBack(strMessage[iPtr]);
 852
 853   return Transmit(command, false);
 854 }
 855
 856 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 857 {
 858   cec_command command;
 859   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 860   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 861   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 862   command.parameters.PushBack((uint8_t) (type));
 863
 864   return Transmit(command, false);
 865 }
 866
 867 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 868 {
 869   cec_command command;
 870   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 871
 872   return Transmit(command, false);
 873 }
 874
 875 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 876 {
 877   cec_command command;
 878   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 879   command.parameters.PushBack((uint8_t) state);
 880
 881   return Transmit(command, false);
 882 }
 883
 884 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 885 {
 886   cec_command command;
 887   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 888
 889   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 890   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 891   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 892
 893   return Transmit(command, false);
 894 }
 895
 896 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 897 {
 898   cec_command command;
 899   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 900   command.parameters.PushBack(state);
 901
 902   return Transmit(command, false);
 903 }
 904
 905 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 906 {
 907   cec_command command;
 908   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 909   command.parameters.PushBack((uint8_t)state);
 910
 911   return Transmit(command, false);
 912 }
 913
 914 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 915 {
 916   cec_command command;
 917   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 918   command.parameters.PushBack((uint8_t)state);
 919
 920   return Transmit(command, false);
 921 }
 922
 923 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 924 {
 925   cec_command command;
 926   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 927   command.PushBack((uint8_t)state);
 928
 929   return Transmit(command, false);
 930 }
 931
 932 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 933 {
 934   cec_command command;
 935   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 936   command.parameters.PushBack((uint8_t)key);
 937
 938   return Transmit(command, bWait);
 939 }
 940
 941 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 942 {
 943   cec_command command;
 944   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 945
 946   return Transmit(command, bWait);
 947 }
 948
 949 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 950 {
 951   bool bReturn(false);
 952   MarkBusy();
 953   command.transmit_timeout = m_iTransmitTimeout;
 954
 955   {
 956     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 957     CLockObject writeLock(m_processor->m_transmitMutex);
 958     CLockObject receiveLock(m_receiveMutex);
 959     ++m_iUseCounter;
 960     while (!bReturn && ++iTries <= iMaxTries)
 961     {
 962       m_expectedResponse = expectedResponse;
 963       if (m_processor->Transmit(command))
 964       {
 965         CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
 966         bReturn = bExpectResponse ?
 967             m_condition.Wait(m_receiveMutex, m_iTransmitWait) :
 968             true;
 969       }
 970     }
 971     --m_iUseCounter;
 972   }
 973
 974   MarkReady();
 975   return bReturn;
 976 }
 977
 978 bool CCECCommandHandler::ActivateSource(void)
 979 {
 980   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 981   {
 982     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 983     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 984     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 985
 986     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 987     {
 988       m_processor->SetActiveSource();
 989       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 990       m_bHandlerInited = true;
 991     }
 992   }
 993   return true;
 994 }
 995
 996 void CCECCommandHandler::MarkBusy(void)
 997 {
 998   CLockObject receiveLock(m_receiveMutex);
 999   ++m_iUseCounter;
1000 }
1001
1002 bool CCECCommandHandler::MarkReady(void)
1003 {
1004   CLockObject receiveLock(m_receiveMutex);
1005   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
1006 }
1007
1008 bool CCECCommandHandler::InUse(void)
1009 {
1010   CLockObject receiveLock(m_receiveMutex);
1011   return m_iUseCounter > 0;
1012 }