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 {
  52 }
  53
  54 CCECCommandHandler::~CCECCommandHandler(void)
  55 {
  56   CLockObject lock(&m_processor->m_transmitMutex);
  57   CLockObject receiveLock(&m_receiveMutex);
  58   m_condition.Broadcast();
  59 }
  60
  61 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  62 {
  63   bool bHandled(true);
  64
  65   MarkBusy();
  66   CStdString strLog;
  67   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);
  68   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  69
  70   m_processor->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     CStdString strLog;
 423     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 424     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 425
 426     vector<CCECBusDevice *> devices;
 427     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 428       devices[iDevicePtr]->TransmitActiveSource();
 429
 430     return true;
 431   }
 432   return false;
 433 }
 434
 435 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 436 {
 437   if (command.parameters.size == 4)
 438   {
 439     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 440     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 441
 442     CCECBusDevice *device = GetDevice(command.initiator);
 443     if (device)
 444       device->SetStreamPath(iNewAddress, iOldAddress);
 445   }
 446   return true;
 447 }
 448
 449 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 450 {
 451   if (command.parameters.size == 2)
 452   {
 453     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 454     m_processor->SetActiveSource(iNewAddress);
 455   }
 456
 457   return false;
 458 }
 459
 460 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 461 {
 462   if (command.parameters.size == 3)
 463   {
 464     CCECBusDevice *device = GetDevice(command.initiator);
 465     if (device)
 466     {
 467       cec_menu_language language;
 468       language.device = command.initiator;
 469       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 470         language.language[iPtr] = command.parameters[iPtr];
 471       language.language[3] = 0;
 472       device->SetMenuLanguage(language);
 473       return true;
 474     }
 475   }
 476   return false;
 477 }
 478
 479 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 480 {
 481   if (command.parameters.size > 0)
 482   {
 483     CCECBusDevice *device = GetDevice(command.initiator);
 484     if (device)
 485     {
 486       char buf[1024];
 487       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 488         buf[iPtr] = (char)command.parameters[iPtr];
 489       buf[command.parameters.size] = 0;
 490
 491       CStdString strName(buf);
 492       device->SetOSDName(strName);
 493
 494       return true;
 495     }
 496   }
 497   return false;
 498 }
 499
 500 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 501 {
 502   if (m_processor->IsStarted() && command.parameters.size >= 2)
 503   {
 504     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 505     CStdString strLog;
 506     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 507     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 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   }
 517   return false;
 518 }
 519
 520 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 521 {
 522   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 523   {
 524     CCECBusDevice *device = GetDevice(command.destination);
 525     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 526     {
 527       if (command.parameters.size >= 2)
 528       {
 529         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 530         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 531         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 532         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 533         if (newActiveDevice)
 534           newActiveDevice->SetActiveSource();
 535         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 536       }
 537       else
 538       {
 539         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 540         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 541       }
 542     }
 543   }
 544   return false;
 545 }
 546
 547 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 548 {
 549   CCECBusDevice *device = GetDevice(command.initiator);
 550   if (device)
 551     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 552
 553   return true;
 554 }
 555
 556 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 557 {
 558   if (command.parameters.size == 1)
 559   {
 560     CCECBusDevice *device = GetDevice(command.initiator);
 561     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 562     {
 563       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 564       return true;
 565     }
 566   }
 567
 568   return false;
 569 }
 570
 571 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 572 {
 573   if (command.parameters.size == 1)
 574   {
 575     CCECBusDevice *device = GetDevice(command.initiator);
 576     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 577     {
 578       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 579       return true;
 580     }
 581   }
 582
 583   return false;
 584 }
 585
 586 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 587 {
 588   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 589   return true;
 590 }
 591
 592 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 593 {
 594   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 595   {
 596     m_processor->AddKey();
 597
 598     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 599     {
 600       CStdString strLog;
 601       strLog.Format("key pressed: %x", command.parameters[0]);
 602       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 603
 604       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 605           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 606       {
 607         CCECBusDevice *device = GetDevice(command.destination);
 608         if (device)
 609         {
 610           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 611           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 612           {
 613             device->SetActiveSource();
 614             device->TransmitActiveSource();
 615
 616             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 617                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 618               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 619           }
 620         }
 621       }
 622       else
 623       {
 624         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 625       }
 626       return true;
 627     }
 628   }
 629   return false;
 630 }
 631
 632 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 633 {
 634   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 635     m_processor->AddKey();
 636
 637   return true;
 638 }
 639
 640 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 641 {
 642   CStdString strLog;
 643   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 644   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 645 }
 646
 647 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 648 {
 649   unsigned int iReturn(0);
 650
 651   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 652   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 653   {
 654     if (addresses[iPtr])
 655     {
 656       devices.push_back(GetDevice((cec_logical_address) iPtr));
 657       ++iReturn;
 658     }
 659   }
 660
 661   return iReturn;
 662 }
 663
 664 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 665 {
 666   CCECBusDevice *device = NULL;
 667
 668   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 669     device = m_processor->m_busDevices[iLogicalAddress];
 670
 671   return device;
 672 }
 673
 674 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 675 {
 676   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 677 }
 678
 679 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 680 {
 681   return m_processor->GetDeviceByType(type);
 682 }
 683
 684 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 685 {
 686   bool bChanged(false);
 687   if (command.parameters.size < 3)
 688   {
 689     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 690     return bChanged;
 691   }
 692
 693   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 694                        ((uint64_t)command.parameters[1] << 8) +
 695                         (uint64_t)command.parameters[2];
 696
 697   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 698   if (device)
 699     bChanged = device->SetVendorId(iVendorId);
 700   return bChanged;
 701 }
 702
 703 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 704 {
 705   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 706   {
 707     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 708     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 709     if (bOurAddress)
 710     {
 711       /* another device reported the same physical address as ours
 712        * since we don't have physical address detection yet, we'll just use the
 713        * given address, increased by 0x100 for now */
 714       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 715     }
 716   }
 717 }
 718
 719 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 720 {
 721   CStdString strLog;
 722   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 723   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 724 }
 725
 726 bool CCECCommandHandler::HandleReceiveFailed(void)
 727 {
 728   /* default = error */
 729   return true;
 730 }
 731
 732 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 733 {
 734   cec_command command;
 735   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 736
 737   return Transmit(command, false);
 738 }
 739
 740 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 741 {
 742   cec_command command;
 743   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 744
 745   return Transmit(command, false);
 746 }
 747
 748 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 749 {
 750   cec_command command;
 751   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 752
 753   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 754 }
 755
 756 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 757 {
 758   cec_command command;
 759   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 760
 761   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 762 }
 763
 764 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 765 {
 766   cec_command command;
 767   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 768
 769   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 770 }
 771
 772 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 773 {
 774   cec_command command;
 775   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 776
 777   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 778 }
 779
 780 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 781 {
 782   cec_command command;
 783   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 784
 785   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 786 }
 787
 788 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 789 {
 790   cec_command command;
 791   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 792
 793   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 794 }
 795
 796 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 797 {
 798   cec_command command;
 799   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 800   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 801   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 802
 803   return Transmit(command, false);
 804 }
 805
 806 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 807 {
 808   cec_command command;
 809   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 810   command.parameters.PushBack((uint8_t)cecVersion);
 811
 812   return Transmit(command, false);
 813 }
 814
 815 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 816 {
 817   cec_command command;
 818   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 819   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 820   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 821
 822   return Transmit(command, false);
 823 }
 824
 825 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 826 {
 827   cec_command command;
 828   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 829   command.parameters.PushBack((uint8_t)menuState);
 830
 831   return Transmit(command, false);
 832 }
 833
 834 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 835 {
 836   cec_command command;
 837   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 838   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 839     command.parameters.PushBack(strDeviceName.at(iPtr));
 840
 841   return Transmit(command, false);
 842 }
 843
 844 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 845 {
 846   cec_command command;
 847   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 848   command.parameters.PushBack((uint8_t)duration);
 849
 850   unsigned int iLen = strlen(strMessage);
 851   if (iLen > 13) iLen = 13;
 852
 853   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 854     command.parameters.PushBack(strMessage[iPtr]);
 855
 856   return Transmit(command, false);
 857 }
 858
 859 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 860 {
 861   cec_command command;
 862   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 863   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 864   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 865   command.parameters.PushBack((uint8_t) (type));
 866
 867   return Transmit(command, false);
 868 }
 869
 870 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 871 {
 872   cec_command command;
 873   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 874
 875   return Transmit(command, false);
 876 }
 877
 878 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 879 {
 880   cec_command command;
 881   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 882   command.parameters.PushBack((uint8_t) state);
 883
 884   return Transmit(command, false);
 885 }
 886
 887 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 888 {
 889   cec_command command;
 890   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 891
 892   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 893   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 894   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 895
 896   return Transmit(command, false);
 897 }
 898
 899 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 900 {
 901   cec_command command;
 902   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 903   command.parameters.PushBack(state);
 904
 905   return Transmit(command, false);
 906 }
 907
 908 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 909 {
 910   cec_command command;
 911   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 912   command.parameters.PushBack((uint8_t)state);
 913
 914   return Transmit(command, false);
 915 }
 916
 917 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 918 {
 919   cec_command command;
 920   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 921   command.parameters.PushBack((uint8_t)state);
 922
 923   return Transmit(command, false);
 924 }
 925
 926 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 927 {
 928   cec_command command;
 929   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 930   command.PushBack((uint8_t)state);
 931
 932   return Transmit(command, false);
 933 }
 934
 935 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 936 {
 937   cec_command command;
 938   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 939   command.parameters.PushBack((uint8_t)key);
 940
 941   return Transmit(command, bWait);
 942 }
 943
 944 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 945 {
 946   cec_command command;
 947   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 948
 949   return Transmit(command, bWait);
 950 }
 951
 952 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 953 {
 954   bool bReturn(false);
 955   MarkBusy();
 956   command.transmit_timeout = m_iTransmitTimeout;
 957
 958   {
 959     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 960     CLockObject writeLock(&m_processor->m_transmitMutex);
 961     CLockObject receiveLock(&m_receiveMutex);
 962     ++m_iUseCounter;
 963     while (!bReturn && ++iTries <= iMaxTries)
 964     {
 965       m_expectedResponse = expectedResponse;
 966       if (m_processor->Transmit(command))
 967       {
 968         m_processor->AddLog(CEC_LOG_DEBUG, "command transmitted");
 969         bReturn = bExpectResponse ?
 970             m_condition.Wait(&m_receiveMutex, m_iTransmitWait) :
 971             true;
 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 }