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