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
  39 using namespace CEC;
  40 using namespace std;
  41
  42 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  43     m_busDevice(busDevice),
  44     m_processor(m_busDevice->GetProcessor()),
  45     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  46     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  47     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES),
  48     m_bHandlerInited(false),
  49     m_iUseCounter(0),
  50     m_expectedResponse(CEC_OPCODE_NONE),
  51     m_bOPTSendDeckStatusUpdateOnActiveSource(true),
  52     m_vendorId(CEC_VENDOR_UNKNOWN)
  53 {
  54 }
  55
  56 CCECCommandHandler::~CCECCommandHandler(void)
  57 {
  58   CLockObject lock(&m_processor->m_transmitMutex);
  59   CLockObject receiveLock(&m_receiveMutex);
  60   m_condition.Broadcast();
  61 }
  62
  63 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  64 {
  65   bool bHandled(true);
  66
  67   MarkBusy();
  68   CStdString strLog;
  69   strLog.Format(">> %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);
  70   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  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     CStdString strLog;
 425     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 426     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 427
 428     vector<CCECBusDevice *> devices;
 429     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; 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->IsStarted() && command.parameters.size >= 2)
 505   {
 506     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 507     CStdString strLog;
 508     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 509     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 510
 511     /* one of the device handled by libCEC has been made active */
 512     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 513     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 514     {
 515       device->SetActiveSource();
 516       device->TransmitActiveSource();
 517     }
 518   }
 519   return false;
 520 }
 521
 522 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 523 {
 524   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 525   {
 526     CCECBusDevice *device = GetDevice(command.destination);
 527     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 528     {
 529       if (command.parameters.size >= 2)
 530       {
 531         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 532         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 533         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 534         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 535         if (newActiveDevice)
 536           newActiveDevice->SetActiveSource();
 537         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 538       }
 539       else
 540       {
 541         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 542         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 543       }
 544     }
 545   }
 546   return false;
 547 }
 548
 549 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 550 {
 551   CCECBusDevice *device = GetDevice(command.initiator);
 552   if (device)
 553     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 554
 555   return true;
 556 }
 557
 558 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 559 {
 560   if (command.parameters.size == 1)
 561   {
 562     CCECBusDevice *device = GetDevice(command.initiator);
 563     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 564     {
 565       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 566       return true;
 567     }
 568   }
 569
 570   return false;
 571 }
 572
 573 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 574 {
 575   if (command.parameters.size == 1)
 576   {
 577     CCECBusDevice *device = GetDevice(command.initiator);
 578     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 579     {
 580       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 581       return true;
 582     }
 583   }
 584
 585   return false;
 586 }
 587
 588 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 589 {
 590   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 591   return true;
 592 }
 593
 594 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 595 {
 596   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 597   {
 598     m_processor->AddKey();
 599
 600     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 601     {
 602       CStdString strLog;
 603       strLog.Format("key pressed: %x", command.parameters[0]);
 604       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 605
 606       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 607           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 608       {
 609         CCECBusDevice *device = GetDevice(command.destination);
 610         if (device)
 611         {
 612           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 613           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 614           {
 615             device->SetActiveSource();
 616             device->TransmitActiveSource();
 617
 618             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 619                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 620               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 621           }
 622         }
 623       }
 624       else
 625       {
 626         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 627       }
 628       return true;
 629     }
 630   }
 631   return false;
 632 }
 633
 634 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 635 {
 636   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 637     m_processor->AddKey();
 638
 639   return true;
 640 }
 641
 642 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 643 {
 644   CStdString strLog;
 645   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 646   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 647 }
 648
 649 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 650 {
 651   unsigned int 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     m_busDevice->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 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 722 {
 723   CStdString strLog;
 724   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 725   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 726 }
 727
 728 bool CCECCommandHandler::HandleReceiveFailed(void)
 729 {
 730   /* default = error */
 731   return true;
 732 }
 733
 734 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 735 {
 736   cec_command command;
 737   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 738
 739   return Transmit(command, false);
 740 }
 741
 742 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 743 {
 744   cec_command command;
 745   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 746
 747   return Transmit(command, false);
 748 }
 749
 750 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 751 {
 752   cec_command command;
 753   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 754
 755   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 756 }
 757
 758 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 759 {
 760   cec_command command;
 761   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 762
 763   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 764 }
 765
 766 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 767 {
 768   cec_command command;
 769   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 770
 771   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 772 }
 773
 774 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 775 {
 776   cec_command command;
 777   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 778
 779   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 780 }
 781
 782 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 783 {
 784   cec_command command;
 785   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 786
 787   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 788 }
 789
 790 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 791 {
 792   cec_command command;
 793   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 794
 795   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 796 }
 797
 798 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 799 {
 800   cec_command command;
 801   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 802   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 803   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 804
 805   return Transmit(command, false);
 806 }
 807
 808 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 809 {
 810   cec_command command;
 811   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 812   command.parameters.PushBack((uint8_t)cecVersion);
 813
 814   return Transmit(command, false);
 815 }
 816
 817 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 818 {
 819   cec_command command;
 820   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 821   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 822   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 823
 824   return Transmit(command, false);
 825 }
 826
 827 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 828 {
 829   cec_command command;
 830   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 831   command.parameters.PushBack((uint8_t)menuState);
 832
 833   return Transmit(command, false);
 834 }
 835
 836 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 837 {
 838   cec_command command;
 839   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 840   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 841     command.parameters.PushBack(strDeviceName.at(iPtr));
 842
 843   return Transmit(command, false);
 844 }
 845
 846 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 847 {
 848   cec_command command;
 849   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 850   command.parameters.PushBack((uint8_t)duration);
 851
 852   unsigned int iLen = strlen(strMessage);
 853   if (iLen > 13) iLen = 13;
 854
 855   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 856     command.parameters.PushBack(strMessage[iPtr]);
 857
 858   return Transmit(command, false);
 859 }
 860
 861 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 862 {
 863   cec_command command;
 864   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 865   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 866   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 867   command.parameters.PushBack((uint8_t) (type));
 868
 869   return Transmit(command, false);
 870 }
 871
 872 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 873 {
 874   cec_command command;
 875   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 876
 877   return Transmit(command, false);
 878 }
 879
 880 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 881 {
 882   cec_command command;
 883   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 884   command.parameters.PushBack((uint8_t) state);
 885
 886   return Transmit(command, false);
 887 }
 888
 889 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 890 {
 891   cec_command command;
 892   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 893
 894   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 895   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 896   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 897
 898   return Transmit(command, false);
 899 }
 900
 901 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 902 {
 903   cec_command command;
 904   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 905   command.parameters.PushBack(state);
 906
 907   return Transmit(command, false);
 908 }
 909
 910 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 911 {
 912   cec_command command;
 913   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 914   command.parameters.PushBack((uint8_t)state);
 915
 916   return Transmit(command, false);
 917 }
 918
 919 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 920 {
 921   cec_command command;
 922   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 923   command.parameters.PushBack((uint8_t)state);
 924
 925   return Transmit(command, false);
 926 }
 927
 928 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 929 {
 930   cec_command command;
 931   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 932   command.PushBack((uint8_t)state);
 933
 934   return Transmit(command, false);
 935 }
 936
 937 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 938 {
 939   cec_command command;
 940   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 941   command.parameters.PushBack((uint8_t)key);
 942
 943   return Transmit(command, bWait);
 944 }
 945
 946 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 947 {
 948   cec_command command;
 949   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 950
 951   return Transmit(command, bWait);
 952 }
 953
 954 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 955 {
 956   bool bReturn(false);
 957   MarkBusy();
 958   command.transmit_timeout = m_iTransmitTimeout;
 959
 960   {
 961     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 962     CLockObject writeLock(&m_processor->m_transmitMutex);
 963     CLockObject receiveLock(&m_receiveMutex);
 964     ++m_iUseCounter;
 965     while (!bReturn && ++iTries <= iMaxTries)
 966     {
 967       m_expectedResponse = expectedResponse;
 968       if (m_processor->Transmit(command))
 969       {
 970         m_processor->AddLog(CEC_LOG_DEBUG, "command transmitted");
 971         bReturn = bExpectResponse ?
 972             m_condition.Wait(&m_receiveMutex, m_iTransmitWait) :
 973             true;
 974       }
 975     }
 976     --m_iUseCounter;
 977   }
 978
 979   MarkReady();
 980   return bReturn;
 981 }
 982
 983 bool CCECCommandHandler::ActivateSource(void)
 984 {
 985   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 986   {
 987     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 988     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 989     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 990
 991     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 992     {
 993       m_processor->SetActiveSource();
 994       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 995       m_bHandlerInited = true;
 996     }
 997   }
 998   return true;
 999 }
1000
1001 void CCECCommandHandler::MarkBusy(void)
1002 {
1003   CLockObject receiveLock(&m_receiveMutex);
1004   ++m_iUseCounter;
1005 }
1006
1007 bool CCECCommandHandler::MarkReady(void)
1008 {
1009   CLockObject receiveLock(&m_receiveMutex);
1010   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
1011 }
1012
1013 bool CCECCommandHandler::InUse(void)
1014 {
1015   CLockObject receiveLock(&m_receiveMutex);
1016   return m_iUseCounter > 0;
1017 }