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_iUseCounter(0),
  52     m_expectedResponse(CEC_OPCODE_NONE),
  53     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  54     m_vendorId(CEC_VENDOR_UNKNOWN),
  55     m_bRcvSignal(false)
  56 {
  57 }
  58
  59 CCECCommandHandler::~CCECCommandHandler(void)
  60 {
  61   CLockObject lock(m_processor->m_transmitMutex);
  62   CLockObject receiveLock(m_receiveMutex);
  63   m_condition.Broadcast();
  64 }
  65
  66 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  67 {
  68   bool bHandled(true);
  69
  70   MarkBusy();
  71   CLibCEC::AddCommand(command);
  72
  73   switch(command.opcode)
  74   {
  75   case CEC_OPCODE_REPORT_POWER_STATUS:
  76     HandleReportPowerStatus(command);
  77     break;
  78   case CEC_OPCODE_CEC_VERSION:
  79     HandleDeviceCecVersion(command);
  80     break;
  81   case CEC_OPCODE_SET_MENU_LANGUAGE:
  82     HandleSetMenuLanguage(command);
  83     break;
  84   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  85     if (m_processor->IsInitialised())
  86       HandleGivePhysicalAddress(command);
  87     break;
  88   case CEC_OPCODE_GIVE_OSD_NAME:
  89     if (m_processor->IsInitialised())
  90       HandleGiveOSDName(command);
  91     break;
  92   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  93     if (m_processor->IsInitialised())
  94       HandleGiveDeviceVendorId(command);
  95     break;
  96   case CEC_OPCODE_DEVICE_VENDOR_ID:
  97     HandleDeviceVendorId(command);
  98     break;
  99   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
 100     HandleDeviceVendorCommandWithId(command);
 101     break;
 102   case CEC_OPCODE_GIVE_DECK_STATUS:
 103     if (m_processor->IsInitialised())
 104       HandleGiveDeckStatus(command);
 105     break;
 106   case CEC_OPCODE_DECK_CONTROL:
 107     HandleDeckControl(command);
 108     break;
 109   case CEC_OPCODE_MENU_REQUEST:
 110     if (m_processor->IsInitialised())
 111       HandleMenuRequest(command);
 112     break;
 113   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 114     if (m_processor->IsInitialised())
 115       HandleGiveDevicePowerStatus(command);
 116     break;
 117   case CEC_OPCODE_GET_CEC_VERSION:
 118     if (m_processor->IsInitialised())
 119       HandleGetCecVersion(command);
 120     break;
 121   case CEC_OPCODE_USER_CONTROL_PRESSED:
 122     if (m_processor->IsInitialised())
 123       HandleUserControlPressed(command);
 124     break;
 125   case CEC_OPCODE_USER_CONTROL_RELEASE:
 126     if (m_processor->IsInitialised())
 127       HandleUserControlRelease(command);
 128     break;
 129   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 130     if (m_processor->IsInitialised())
 131       HandleGiveAudioStatus(command);
 132     break;
 133   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 134     if (m_processor->IsInitialised())
 135       HandleGiveSystemAudioModeStatus(command);
 136     break;
 137   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 138     if (m_processor->IsInitialised())
 139       HandleSystemAudioModeRequest(command);
 140     break;
 141   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 142     HandleReportAudioStatus(command);
 143     break;
 144   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 145     HandleSystemAudioModeStatus(command);
 146     break;
 147   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 148     HandleSetSystemAudioMode(command);
 149     break;
 150   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 151     if (m_processor->IsInitialised())
 152       HandleRequestActiveSource(command);
 153     break;
 154   case CEC_OPCODE_SET_STREAM_PATH:
 155     HandleSetStreamPath(command);
 156     break;
 157   case CEC_OPCODE_ROUTING_CHANGE:
 158     HandleRoutingChange(command);
 159     break;
 160   case CEC_OPCODE_ROUTING_INFORMATION:
 161     HandleRoutingInformation(command);
 162     break;
 163   case CEC_OPCODE_STANDBY:
 164     if (m_processor->IsInitialised())
 165       HandleStandby(command);
 166     break;
 167   case CEC_OPCODE_ACTIVE_SOURCE:
 168     HandleActiveSource(command);
 169     break;
 170   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 171     HandleReportPhysicalAddress(command);
 172     break;
 173   case CEC_OPCODE_SET_OSD_NAME:
 174     HandleSetOSDName(command);
 175     break;
 176   case CEC_OPCODE_IMAGE_VIEW_ON:
 177     HandleImageViewOn(command);
 178     break;
 179   case CEC_OPCODE_TEXT_VIEW_ON:
 180     HandleTextViewOn(command);
 181     break;
 182   case CEC_OPCODE_FEATURE_ABORT:
 183     HandleFeatureAbort(command);
 184     break;
 185   case CEC_OPCODE_VENDOR_COMMAND:
 186     HandleVendorCommand(command);
 187     break;
 188   default:
 189     UnhandledCommand(command);
 190     bHandled = false;
 191     break;
 192   }
 193
 194   if (bHandled)
 195   {
 196     CLockObject lock(m_receiveMutex);
 197     if (m_expectedResponse == CEC_OPCODE_NONE ||
 198         m_expectedResponse == command.opcode)
 199     {
 200       m_bRcvSignal = true;
 201       m_condition.Signal();
 202     }
 203   }
 204
 205   MarkReady();
 206   return bHandled;
 207 }
 208
 209 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 210 {
 211   if (command.parameters.size == 2)
 212   {
 213     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 214     return m_processor->SetActiveSource(iAddress);
 215   }
 216
 217   return true;
 218 }
 219
 220 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 221 {
 222   CCECBusDevice *device = GetDevice(command.destination);
 223   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 224   {
 225     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 226     return true;
 227   }
 228
 229   return false;
 230 }
 231
 232 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 233 {
 234   if (command.parameters.size == 1)
 235   {
 236     CCECBusDevice *device = GetDevice(command.initiator);
 237     if (device)
 238       device->SetCecVersion((cec_version) command.parameters[0]);
 239   }
 240
 241   return true;
 242 }
 243
 244 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 245 {
 246   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 247     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 248
 249   return true;
 250 }
 251
 252 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 253 {
 254   return SetVendorId(command);
 255 }
 256
 257 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 258 {
 259   if (command.parameters.size == 2)
 260   {
 261     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 262   }
 263   return true;
 264 }
 265
 266 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 267 {
 268   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 269   {
 270     CCECBusDevice *device = GetDevice(command.destination);
 271     if (device)
 272       return device->TransmitCECVersion(command.initiator);
 273   }
 274
 275   return false;
 276 }
 277
 278 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 279 {
 280   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 281   {
 282     CCECBusDevice *device = GetDevice(command.destination);
 283     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 284       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 285   }
 286
 287   return false;
 288 }
 289
 290 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 291 {
 292   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 293   {
 294     CCECBusDevice *device = GetDevice(command.destination);
 295     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 296       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 297   }
 298
 299   return false;
 300 }
 301
 302 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 303 {
 304   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 305   {
 306     CCECBusDevice *device = GetDevice(command.destination);
 307     if (device)
 308       return device->TransmitPowerState(command.initiator);
 309   }
 310
 311   return false;
 312 }
 313
 314 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 315 {
 316   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 317   {
 318     CCECBusDevice *device = GetDevice(command.destination);
 319     if (device)
 320       return device->TransmitVendorID(command.initiator);
 321   }
 322
 323   return false;
 324 }
 325
 326 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 327 {
 328   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 329   {
 330     CCECBusDevice *device = GetDevice(command.destination);
 331     if (device)
 332       return device->TransmitOSDName(command.initiator);
 333   }
 334
 335   return false;
 336 }
 337
 338 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 339 {
 340   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 341   {
 342     CCECBusDevice *device = GetDevice(command.destination);
 343     if (device)
 344     {
 345       device->SetActiveSource();
 346       return device->TransmitPhysicalAddress() &&
 347           device->TransmitActiveSource();
 348     }
 349   }
 350
 351   return false;
 352 }
 353
 354 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 355 {
 356   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 357   {
 358     CCECBusDevice *device = GetDevice(command.destination);
 359     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 360       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 361   }
 362
 363   return false;
 364 }
 365
 366 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 367 {
 368   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 369   return true;
 370 }
 371
 372 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 373 {
 374   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 375   {
 376     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 377     {
 378       CCECBusDevice *device = GetDevice(command.destination);
 379       if (device)
 380         return device->TransmitMenuState(command.initiator);
 381     }
 382   }
 383
 384   return false;
 385 }
 386
 387 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 388 {
 389   if (command.parameters.size == 1)
 390   {
 391     CCECBusDevice *device = GetDevice(command.initiator);
 392     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 393     {
 394       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 395       return true;
 396     }
 397   }
 398   return false;
 399 }
 400
 401 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 402 {
 403   if (command.parameters.size == 3)
 404   {
 405     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 406     SetPhysicalAddress(command.initiator, iNewAddress);
 407   }
 408   return true;
 409 }
 410
 411 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 412 {
 413   if (command.parameters.size == 1)
 414   {
 415     CCECBusDevice *device = GetDevice(command.initiator);
 416     if (device)
 417       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 418   }
 419   return true;
 420 }
 421
 422 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 423 {
 424   if (m_processor->IsRunning())
 425   {
 426     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 427
 428     vector<CCECBusDevice *> devices;
 429     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 430       devices[iDevicePtr]->TransmitActiveSource();
 431
 432     return true;
 433   }
 434   return false;
 435 }
 436
 437 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 438 {
 439   if (command.parameters.size == 4)
 440   {
 441     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 442     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 443
 444     CCECBusDevice *device = GetDevice(command.initiator);
 445     if (device)
 446       device->SetStreamPath(iNewAddress, iOldAddress);
 447   }
 448   return true;
 449 }
 450
 451 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 452 {
 453   if (command.parameters.size == 2)
 454   {
 455     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 456     m_processor->SetActiveSource(iNewAddress);
 457   }
 458
 459   return false;
 460 }
 461
 462 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 463 {
 464   if (command.parameters.size == 3)
 465   {
 466     CCECBusDevice *device = GetDevice(command.initiator);
 467     if (device)
 468     {
 469       cec_menu_language language;
 470       language.device = command.initiator;
 471       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 472         language.language[iPtr] = command.parameters[iPtr];
 473       language.language[3] = 0;
 474       device->SetMenuLanguage(language);
 475       return true;
 476     }
 477   }
 478   return false;
 479 }
 480
 481 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 482 {
 483   if (command.parameters.size > 0)
 484   {
 485     CCECBusDevice *device = GetDevice(command.initiator);
 486     if (device)
 487     {
 488       char buf[1024];
 489       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 490         buf[iPtr] = (char)command.parameters[iPtr];
 491       buf[command.parameters.size] = 0;
 492
 493       CStdString strName(buf);
 494       device->SetOSDName(strName);
 495
 496       return true;
 497     }
 498   }
 499   return false;
 500 }
 501
 502 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 503 {
 504   if (m_processor->IsRunning() && command.parameters.size >= 2)
 505   {
 506     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 507     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 508
 509     /* one of the device handled by libCEC has been made active */
 510     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 511     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 512     {
 513       device->SetActiveSource();
 514       device->TransmitActiveSource();
 515
 516       device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 517       device->TransmitMenuState(command.initiator);
 518     }
 519   }
 520   return false;
 521 }
 522
 523 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 524 {
 525   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 526   {
 527     CCECBusDevice *device = GetDevice(command.destination);
 528     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 529     {
 530       if (command.parameters.size >= 2)
 531       {
 532         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 533         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 534         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 535         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 536         if (newActiveDevice)
 537           newActiveDevice->SetActiveSource();
 538         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 539       }
 540       else
 541       {
 542         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 543         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 544       }
 545     }
 546   }
 547   return false;
 548 }
 549
 550 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 551 {
 552   CCECBusDevice *device = GetDevice(command.initiator);
 553   if (device)
 554     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 555
 556   return true;
 557 }
 558
 559 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 560 {
 561   if (command.parameters.size == 1)
 562   {
 563     CCECBusDevice *device = GetDevice(command.initiator);
 564     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 565     {
 566       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 567       return true;
 568     }
 569   }
 570
 571   return false;
 572 }
 573
 574 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 575 {
 576   if (command.parameters.size == 1)
 577   {
 578     CCECBusDevice *device = GetDevice(command.initiator);
 579     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 580     {
 581       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 582       return true;
 583     }
 584   }
 585
 586   return false;
 587 }
 588
 589 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 590 {
 591   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 592   return true;
 593 }
 594
 595 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 596 {
 597   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 598   {
 599     CLibCEC::AddKey();
 600
 601     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 602     {
 603       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 604           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 605       {
 606         CCECBusDevice *device = GetDevice(command.destination);
 607         if (device)
 608         {
 609           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 610           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 611           {
 612             device->SetActiveSource();
 613             device->TransmitActiveSource();
 614
 615             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 616                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 617               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 618           }
 619         }
 620       }
 621       else
 622       {
 623         CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]);
 624       }
 625       return true;
 626     }
 627   }
 628   return false;
 629 }
 630
 631 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 632 {
 633   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 634     CLibCEC::AddKey();
 635
 636   return true;
 637 }
 638
 639 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 640 {
 641   return true;
 642 }
 643
 644 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 645 {
 646   CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 647 }
 648
 649 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 650 {
 651   size_t iReturn(0);
 652
 653   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 654   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 655   {
 656     if (addresses[iPtr])
 657     {
 658       devices.push_back(GetDevice((cec_logical_address) iPtr));
 659       ++iReturn;
 660     }
 661   }
 662
 663   return iReturn;
 664 }
 665
 666 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 667 {
 668   CCECBusDevice *device = NULL;
 669
 670   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 671     device = m_processor->m_busDevices[iLogicalAddress];
 672
 673   return device;
 674 }
 675
 676 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 677 {
 678   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 679 }
 680
 681 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 682 {
 683   return m_processor->GetDeviceByType(type);
 684 }
 685
 686 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 687 {
 688   bool bChanged(false);
 689   if (command.parameters.size < 3)
 690   {
 691     CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 692     return bChanged;
 693   }
 694
 695   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 696                        ((uint64_t)command.parameters[1] << 8) +
 697                         (uint64_t)command.parameters[2];
 698
 699   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 700   if (device)
 701     bChanged = device->SetVendorId(iVendorId);
 702   return bChanged;
 703 }
 704
 705 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 706 {
 707   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 708   {
 709     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 710     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 711     if (bOurAddress)
 712     {
 713       /* another device reported the same physical address as ours
 714        * since we don't have physical address detection yet, we'll just use the
 715        * given address, increased by 0x100 for now */
 716       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 717     }
 718   }
 719 }
 720
 721 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 722 {
 723   cec_command command;
 724   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 725
 726   return Transmit(command, false);
 727 }
 728
 729 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 730 {
 731   cec_command command;
 732   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 733
 734   return Transmit(command, false);
 735 }
 736
 737 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 738 {
 739   cec_command command;
 740   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 741
 742   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 743 }
 744
 745 bool CCECCommandHandler::TransmitRequestMenuLanguage(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_MENU_LANGUAGE);
 749
 750   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 751 }
 752
 753 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 754 {
 755   cec_command command;
 756   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 757
 758   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 759 }
 760
 761 bool CCECCommandHandler::TransmitRequestPhysicalAddress(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_PHYSICAL_ADDRESS);
 765
 766   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 767 }
 768
 769 bool CCECCommandHandler::TransmitRequestPowerStatus(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_DEVICE_POWER_STATUS);
 773
 774   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 775 }
 776
 777 bool CCECCommandHandler::TransmitRequestVendorId(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_VENDOR_ID);
 781
 782   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 783 }
 784
 785 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 786 {
 787   cec_command command;
 788   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 789   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 790   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 791
 792   return Transmit(command, false);
 793 }
 794
 795 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 796 {
 797   cec_command command;
 798   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 799   command.parameters.PushBack((uint8_t)cecVersion);
 800
 801   return Transmit(command, false);
 802 }
 803
 804 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 805 {
 806   cec_command command;
 807   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 808   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 809   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 810
 811   return Transmit(command, false);
 812 }
 813
 814 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 815 {
 816   cec_command command;
 817   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 818   command.parameters.PushBack((uint8_t)menuState);
 819
 820   return Transmit(command, false);
 821 }
 822
 823 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 824 {
 825   cec_command command;
 826   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 827   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 828     command.parameters.PushBack(strDeviceName.at(iPtr));
 829
 830   return Transmit(command, false);
 831 }
 832
 833 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 834 {
 835   cec_command command;
 836   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 837   command.parameters.PushBack((uint8_t)duration);
 838
 839   size_t iLen = strlen(strMessage);
 840   if (iLen > 13) iLen = 13;
 841
 842   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 843     command.parameters.PushBack(strMessage[iPtr]);
 844
 845   return Transmit(command, false);
 846 }
 847
 848 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 849 {
 850   cec_command command;
 851   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 852   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 853   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 854   command.parameters.PushBack((uint8_t) (type));
 855
 856   return Transmit(command, false);
 857 }
 858
 859 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 860 {
 861   cec_command command;
 862   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 863
 864   return Transmit(command, false);
 865 }
 866
 867 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 868 {
 869   cec_command command;
 870   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 871   command.parameters.PushBack((uint8_t) state);
 872
 873   return Transmit(command, false);
 874 }
 875
 876 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 877 {
 878   cec_command command;
 879   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 880
 881   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 882   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 883   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 884
 885   return Transmit(command, false);
 886 }
 887
 888 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 889 {
 890   cec_command command;
 891   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 892   command.parameters.PushBack(state);
 893
 894   return Transmit(command, false);
 895 }
 896
 897 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 898 {
 899   cec_command command;
 900   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 901   command.parameters.PushBack((uint8_t)state);
 902
 903   return Transmit(command, false);
 904 }
 905
 906 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath)
 907 {
 908   cec_command command;
 909   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
 910   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
 911   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
 912
 913   return Transmit(command, false);
 914 }
 915
 916 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 917 {
 918   cec_command command;
 919   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 920   command.parameters.PushBack((uint8_t)state);
 921
 922   return Transmit(command, false);
 923 }
 924
 925 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 926 {
 927   cec_command command;
 928   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 929   command.PushBack((uint8_t)state);
 930
 931   return Transmit(command, false);
 932 }
 933
 934 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 935 {
 936   cec_command command;
 937   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 938   command.parameters.PushBack((uint8_t)key);
 939
 940   return Transmit(command, bWait);
 941 }
 942
 943 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 944 {
 945   cec_command command;
 946   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 947
 948   return Transmit(command, bWait);
 949 }
 950
 951 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 952 {
 953   bool bReturn(false);
 954   MarkBusy();
 955   command.transmit_timeout = m_iTransmitTimeout;
 956
 957   {
 958     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 959     CLockObject writeLock(m_processor->m_transmitMutex);
 960     CLockObject receiveLock(m_receiveMutex);
 961     ++m_iUseCounter;
 962     while (!bReturn && ++iTries <= iMaxTries)
 963     {
 964       m_expectedResponse = expectedResponse;
 965       if ((bReturn = m_processor->Transmit(command)) == true)
 966       {
 967         CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
 968         if (bExpectResponse)
 969           bReturn = m_condition.Wait(m_receiveMutex, m_bRcvSignal, m_iTransmitWait);
 970         if (bReturn)
 971           m_bRcvSignal = false;
 972       }
 973     }
 974     --m_iUseCounter;
 975   }
 976
 977   MarkReady();
 978   return bReturn;
 979 }
 980
 981 bool CCECCommandHandler::ActivateSource(void)
 982 {
 983   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 984   {
 985     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 986     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 987     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 988
 989     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 990     {
 991       m_processor->SetActiveSource();
 992       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 993       m_bHandlerInited = true;
 994     }
 995   }
 996   return true;
 997 }
 998
 999 void CCECCommandHandler::MarkBusy(void)
1000 {
1001   CLockObject receiveLock(m_receiveMutex);
1002   ++m_iUseCounter;
1003 }
1004
1005 bool CCECCommandHandler::MarkReady(void)
1006 {
1007   CLockObject receiveLock(m_receiveMutex);
1008   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
1009 }
1010
1011 bool CCECCommandHandler::InUse(void)
1012 {
1013   CLockObject receiveLock(m_receiveMutex);
1014   return m_iUseCounter > 0;
1015 }