src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "CECCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../devices/CECAudioSystem.h"
  36 #include "../devices/CECPlaybackDevice.h"
  37 #include "../CECProcessor.h"
  38 #include "../LibCEC.h"
  39
  40 using namespace CEC;
  41 using namespace std;
  42 using namespace PLATFORM;
  43
  44 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  45     m_busDevice(busDevice),
  46     m_processor(m_busDevice->GetProcessor()),
  47     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  48     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  49     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES),
  50     m_bHandlerInited(false),
  51     m_iUseCounter(0),
  52     m_expectedResponse(CEC_OPCODE_NONE),
  53     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  54     m_vendorId(CEC_VENDOR_UNKNOWN)
  55 {
  56 }
  57
  58 CCECCommandHandler::~CCECCommandHandler(void)
  59 {
  60   CLockObject lock(m_processor->m_transmitMutex);
  61   CLockObject receiveLock(m_receiveMutex);
  62   m_condition.Broadcast();
  63 }
  64
  65 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  66 {
  67   bool bHandled(true);
  68
  69   MarkBusy();
  70   CLibCEC::AddCommand(command);
  71
  72   switch(command.opcode)
  73   {
  74   case CEC_OPCODE_REPORT_POWER_STATUS:
  75     HandleReportPowerStatus(command);
  76     break;
  77   case CEC_OPCODE_CEC_VERSION:
  78     HandleDeviceCecVersion(command);
  79     break;
  80   case CEC_OPCODE_SET_MENU_LANGUAGE:
  81     HandleSetMenuLanguage(command);
  82     break;
  83   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  84     if (m_processor->IsInitialised())
  85       HandleGivePhysicalAddress(command);
  86     break;
  87   case CEC_OPCODE_GIVE_OSD_NAME:
  88     if (m_processor->IsInitialised())
  89       HandleGiveOSDName(command);
  90     break;
  91   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  92     if (m_processor->IsInitialised())
  93       HandleGiveDeviceVendorId(command);
  94     break;
  95   case CEC_OPCODE_DEVICE_VENDOR_ID:
  96     HandleDeviceVendorId(command);
  97     break;
  98   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  99     HandleDeviceVendorCommandWithId(command);
 100     break;
 101   case CEC_OPCODE_GIVE_DECK_STATUS:
 102     if (m_processor->IsInitialised())
 103       HandleGiveDeckStatus(command);
 104     break;
 105   case CEC_OPCODE_DECK_CONTROL:
 106     HandleDeckControl(command);
 107     break;
 108   case CEC_OPCODE_MENU_REQUEST:
 109     if (m_processor->IsInitialised())
 110       HandleMenuRequest(command);
 111     break;
 112   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 113     if (m_processor->IsInitialised())
 114       HandleGiveDevicePowerStatus(command);
 115     break;
 116   case CEC_OPCODE_GET_CEC_VERSION:
 117     if (m_processor->IsInitialised())
 118       HandleGetCecVersion(command);
 119     break;
 120   case CEC_OPCODE_USER_CONTROL_PRESSED:
 121     if (m_processor->IsInitialised())
 122       HandleUserControlPressed(command);
 123     break;
 124   case CEC_OPCODE_USER_CONTROL_RELEASE:
 125     if (m_processor->IsInitialised())
 126       HandleUserControlRelease(command);
 127     break;
 128   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 129     if (m_processor->IsInitialised())
 130       HandleGiveAudioStatus(command);
 131     break;
 132   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 133     if (m_processor->IsInitialised())
 134       HandleGiveSystemAudioModeStatus(command);
 135     break;
 136   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 137     if (m_processor->IsInitialised())
 138       HandleSystemAudioModeRequest(command);
 139     break;
 140   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 141     HandleReportAudioStatus(command);
 142     break;
 143   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 144     HandleSystemAudioModeStatus(command);
 145     break;
 146   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 147     HandleSetSystemAudioMode(command);
 148     break;
 149   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 150     if (m_processor->IsInitialised())
 151       HandleRequestActiveSource(command);
 152     break;
 153   case CEC_OPCODE_SET_STREAM_PATH:
 154     HandleSetStreamPath(command);
 155     break;
 156   case CEC_OPCODE_ROUTING_CHANGE:
 157     HandleRoutingChange(command);
 158     break;
 159   case CEC_OPCODE_ROUTING_INFORMATION:
 160     HandleRoutingInformation(command);
 161     break;
 162   case CEC_OPCODE_STANDBY:
 163     if (m_processor->IsInitialised())
 164       HandleStandby(command);
 165     break;
 166   case CEC_OPCODE_ACTIVE_SOURCE:
 167     HandleActiveSource(command);
 168     break;
 169   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 170     HandleReportPhysicalAddress(command);
 171     break;
 172   case CEC_OPCODE_SET_OSD_NAME:
 173     HandleSetOSDName(command);
 174     break;
 175   case CEC_OPCODE_IMAGE_VIEW_ON:
 176     HandleImageViewOn(command);
 177     break;
 178   case CEC_OPCODE_TEXT_VIEW_ON:
 179     HandleTextViewOn(command);
 180     break;
 181   case CEC_OPCODE_FEATURE_ABORT:
 182     HandleFeatureAbort(command);
 183     break;
 184   case CEC_OPCODE_VENDOR_COMMAND:
 185     HandleVendorCommand(command);
 186     break;
 187   default:
 188     UnhandledCommand(command);
 189     bHandled = false;
 190     break;
 191   }
 192
 193   if (bHandled)
 194   {
 195     CLockObject lock(m_receiveMutex);
 196     if (m_expectedResponse == CEC_OPCODE_NONE ||
 197         m_expectedResponse == command.opcode)
 198       m_condition.Signal();
 199   }
 200
 201   MarkReady();
 202   return bHandled;
 203 }
 204
 205 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 206 {
 207   if (command.parameters.size == 2)
 208   {
 209     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 210     return m_processor->SetActiveSource(iAddress);
 211   }
 212
 213   return true;
 214 }
 215
 216 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 217 {
 218   CCECBusDevice *device = GetDevice(command.destination);
 219   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 220   {
 221     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 222     return true;
 223   }
 224
 225   return false;
 226 }
 227
 228 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 229 {
 230   if (command.parameters.size == 1)
 231   {
 232     CCECBusDevice *device = GetDevice(command.initiator);
 233     if (device)
 234       device->SetCecVersion((cec_version) command.parameters[0]);
 235   }
 236
 237   return true;
 238 }
 239
 240 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 241 {
 242   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 243     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 244
 245   return true;
 246 }
 247
 248 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 249 {
 250   return SetVendorId(command);
 251 }
 252
 253 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 254 {
 255   if (command.parameters.size == 2)
 256   {
 257     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 258   }
 259   return true;
 260 }
 261
 262 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 263 {
 264   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 265   {
 266     CCECBusDevice *device = GetDevice(command.destination);
 267     if (device)
 268       return device->TransmitCECVersion(command.initiator);
 269   }
 270
 271   return false;
 272 }
 273
 274 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 275 {
 276   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 277   {
 278     CCECBusDevice *device = GetDevice(command.destination);
 279     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 280       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 281   }
 282
 283   return false;
 284 }
 285
 286 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 287 {
 288   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 289   {
 290     CCECBusDevice *device = GetDevice(command.destination);
 291     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 292       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 293   }
 294
 295   return false;
 296 }
 297
 298 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 299 {
 300   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 301   {
 302     CCECBusDevice *device = GetDevice(command.destination);
 303     if (device)
 304       return device->TransmitPowerState(command.initiator);
 305   }
 306
 307   return false;
 308 }
 309
 310 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 311 {
 312   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 313   {
 314     CCECBusDevice *device = GetDevice(command.destination);
 315     if (device)
 316       return device->TransmitVendorID(command.initiator);
 317   }
 318
 319   return false;
 320 }
 321
 322 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 323 {
 324   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 325   {
 326     CCECBusDevice *device = GetDevice(command.destination);
 327     if (device)
 328       return device->TransmitOSDName(command.initiator);
 329   }
 330
 331   return false;
 332 }
 333
 334 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 335 {
 336   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 337   {
 338     CCECBusDevice *device = GetDevice(command.destination);
 339     if (device)
 340     {
 341       device->SetActiveSource();
 342       return device->TransmitPhysicalAddress() &&
 343           device->TransmitActiveSource();
 344     }
 345   }
 346
 347   return false;
 348 }
 349
 350 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 351 {
 352   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 353   {
 354     CCECBusDevice *device = GetDevice(command.destination);
 355     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 356       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 357   }
 358
 359   return false;
 360 }
 361
 362 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 363 {
 364   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 365   return true;
 366 }
 367
 368 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 369 {
 370   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 371   {
 372     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 373     {
 374       CCECBusDevice *device = GetDevice(command.destination);
 375       if (device)
 376         return device->TransmitMenuState(command.initiator);
 377     }
 378   }
 379
 380   return false;
 381 }
 382
 383 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 384 {
 385   if (command.parameters.size == 1)
 386   {
 387     CCECBusDevice *device = GetDevice(command.initiator);
 388     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 389     {
 390       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 391       return true;
 392     }
 393   }
 394   return false;
 395 }
 396
 397 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 398 {
 399   if (command.parameters.size == 3)
 400   {
 401     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 402     SetPhysicalAddress(command.initiator, iNewAddress);
 403   }
 404   return true;
 405 }
 406
 407 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 408 {
 409   if (command.parameters.size == 1)
 410   {
 411     CCECBusDevice *device = GetDevice(command.initiator);
 412     if (device)
 413       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 414   }
 415   return true;
 416 }
 417
 418 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 419 {
 420   if (m_processor->IsStarted())
 421   {
 422     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 423
 424     vector<CCECBusDevice *> devices;
 425     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 426       devices[iDevicePtr]->TransmitActiveSource();
 427
 428     return true;
 429   }
 430   return false;
 431 }
 432
 433 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 434 {
 435   if (command.parameters.size == 4)
 436   {
 437     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 438     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 439
 440     CCECBusDevice *device = GetDevice(command.initiator);
 441     if (device)
 442       device->SetStreamPath(iNewAddress, iOldAddress);
 443   }
 444   return true;
 445 }
 446
 447 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 448 {
 449   if (command.parameters.size == 2)
 450   {
 451     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 452     m_processor->SetActiveSource(iNewAddress);
 453   }
 454
 455   return false;
 456 }
 457
 458 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 459 {
 460   if (command.parameters.size == 3)
 461   {
 462     CCECBusDevice *device = GetDevice(command.initiator);
 463     if (device)
 464     {
 465       cec_menu_language language;
 466       language.device = command.initiator;
 467       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 468         language.language[iPtr] = command.parameters[iPtr];
 469       language.language[3] = 0;
 470       device->SetMenuLanguage(language);
 471       return true;
 472     }
 473   }
 474   return false;
 475 }
 476
 477 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 478 {
 479   if (command.parameters.size > 0)
 480   {
 481     CCECBusDevice *device = GetDevice(command.initiator);
 482     if (device)
 483     {
 484       char buf[1024];
 485       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 486         buf[iPtr] = (char)command.parameters[iPtr];
 487       buf[command.parameters.size] = 0;
 488
 489       CStdString strName(buf);
 490       device->SetOSDName(strName);
 491
 492       return true;
 493     }
 494   }
 495   return false;
 496 }
 497
 498 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 499 {
 500   if (m_processor->IsStarted() && command.parameters.size >= 2)
 501   {
 502     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 503     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 504
 505     /* one of the device handled by libCEC has been made active */
 506     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 507     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 508     {
 509       device->SetActiveSource();
 510       device->TransmitActiveSource();
 511     }
 512   }
 513   return false;
 514 }
 515
 516 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 517 {
 518   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 519   {
 520     CCECBusDevice *device = GetDevice(command.destination);
 521     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 522     {
 523       if (command.parameters.size >= 2)
 524       {
 525         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 526         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 527         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 528         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 529         if (newActiveDevice)
 530           newActiveDevice->SetActiveSource();
 531         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 532       }
 533       else
 534       {
 535         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 536         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 537       }
 538     }
 539   }
 540   return false;
 541 }
 542
 543 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 544 {
 545   CCECBusDevice *device = GetDevice(command.initiator);
 546   if (device)
 547     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 548
 549   return true;
 550 }
 551
 552 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 553 {
 554   if (command.parameters.size == 1)
 555   {
 556     CCECBusDevice *device = GetDevice(command.initiator);
 557     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 558     {
 559       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 560       return true;
 561     }
 562   }
 563
 564   return false;
 565 }
 566
 567 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 568 {
 569   if (command.parameters.size == 1)
 570   {
 571     CCECBusDevice *device = GetDevice(command.initiator);
 572     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 573     {
 574       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 575       return true;
 576     }
 577   }
 578
 579   return false;
 580 }
 581
 582 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 583 {
 584   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 585   return true;
 586 }
 587
 588 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 589 {
 590   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 591   {
 592     CLibCEC::AddKey();
 593
 594     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 595     {
 596       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 597           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 598       {
 599         CCECBusDevice *device = GetDevice(command.destination);
 600         if (device)
 601         {
 602           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 603           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 604           {
 605             device->SetActiveSource();
 606             device->TransmitActiveSource();
 607
 608             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 609                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 610               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 611           }
 612         }
 613       }
 614       else
 615       {
 616         CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]);
 617       }
 618       return true;
 619     }
 620   }
 621   return false;
 622 }
 623
 624 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 625 {
 626   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 627     CLibCEC::AddKey();
 628
 629   return true;
 630 }
 631
 632 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 633 {
 634   return true;
 635 }
 636
 637 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 638 {
 639   CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 640 }
 641
 642 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 643 {
 644   size_t iReturn(0);
 645
 646   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 647   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 648   {
 649     if (addresses[iPtr])
 650     {
 651       devices.push_back(GetDevice((cec_logical_address) iPtr));
 652       ++iReturn;
 653     }
 654   }
 655
 656   return iReturn;
 657 }
 658
 659 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 660 {
 661   CCECBusDevice *device = NULL;
 662
 663   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 664     device = m_processor->m_busDevices[iLogicalAddress];
 665
 666   return device;
 667 }
 668
 669 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 670 {
 671   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 672 }
 673
 674 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 675 {
 676   return m_processor->GetDeviceByType(type);
 677 }
 678
 679 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 680 {
 681   bool bChanged(false);
 682   if (command.parameters.size < 3)
 683   {
 684     CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 685     return bChanged;
 686   }
 687
 688   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 689                        ((uint64_t)command.parameters[1] << 8) +
 690                         (uint64_t)command.parameters[2];
 691
 692   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 693   if (device)
 694     bChanged = device->SetVendorId(iVendorId);
 695   return bChanged;
 696 }
 697
 698 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 699 {
 700   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 701   {
 702     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 703     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 704     if (bOurAddress)
 705     {
 706       /* another device reported the same physical address as ours
 707        * since we don't have physical address detection yet, we'll just use the
 708        * given address, increased by 0x100 for now */
 709       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 710     }
 711   }
 712 }
 713
 714 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 715 {
 716   CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 717 }
 718
 719 bool CCECCommandHandler::HandleReceiveFailed(void)
 720 {
 721   /* default = error */
 722   return true;
 723 }
 724
 725 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 726 {
 727   cec_command command;
 728   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 729
 730   return Transmit(command, false);
 731 }
 732
 733 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 734 {
 735   cec_command command;
 736   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 737
 738   return Transmit(command, false);
 739 }
 740
 741 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 742 {
 743   cec_command command;
 744   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 745
 746   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 747 }
 748
 749 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 750 {
 751   cec_command command;
 752   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 753
 754   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 755 }
 756
 757 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 758 {
 759   cec_command command;
 760   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 761
 762   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 763 }
 764
 765 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 766 {
 767   cec_command command;
 768   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 769
 770   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 771 }
 772
 773 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 774 {
 775   cec_command command;
 776   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 777
 778   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 779 }
 780
 781 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 782 {
 783   cec_command command;
 784   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 785
 786   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 787 }
 788
 789 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 790 {
 791   cec_command command;
 792   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 793   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 794   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 795
 796   return Transmit(command, false);
 797 }
 798
 799 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 800 {
 801   cec_command command;
 802   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 803   command.parameters.PushBack((uint8_t)cecVersion);
 804
 805   return Transmit(command, false);
 806 }
 807
 808 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 809 {
 810   cec_command command;
 811   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 812   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 813   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 814
 815   return Transmit(command, false);
 816 }
 817
 818 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 819 {
 820   cec_command command;
 821   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 822   command.parameters.PushBack((uint8_t)menuState);
 823
 824   return Transmit(command, false);
 825 }
 826
 827 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 828 {
 829   cec_command command;
 830   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 831   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 832     command.parameters.PushBack(strDeviceName.at(iPtr));
 833
 834   return Transmit(command, false);
 835 }
 836
 837 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 838 {
 839   cec_command command;
 840   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 841   command.parameters.PushBack((uint8_t)duration);
 842
 843   size_t iLen = strlen(strMessage);
 844   if (iLen > 13) iLen = 13;
 845
 846   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 847     command.parameters.PushBack(strMessage[iPtr]);
 848
 849   return Transmit(command, false);
 850 }
 851
 852 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 853 {
 854   cec_command command;
 855   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 856   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 857   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 858   command.parameters.PushBack((uint8_t) (type));
 859
 860   return Transmit(command, false);
 861 }
 862
 863 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 864 {
 865   cec_command command;
 866   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 867
 868   return Transmit(command, false);
 869 }
 870
 871 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 872 {
 873   cec_command command;
 874   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 875   command.parameters.PushBack((uint8_t) state);
 876
 877   return Transmit(command, false);
 878 }
 879
 880 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 881 {
 882   cec_command command;
 883   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 884
 885   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 886   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 887   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 888
 889   return Transmit(command, false);
 890 }
 891
 892 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 893 {
 894   cec_command command;
 895   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 896   command.parameters.PushBack(state);
 897
 898   return Transmit(command, false);
 899 }
 900
 901 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 902 {
 903   cec_command command;
 904   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 905   command.parameters.PushBack((uint8_t)state);
 906
 907   return Transmit(command, false);
 908 }
 909
 910 bool CCECCommandHandler::TransmitSystemAudioModeStatus(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_SYSTEM_AUDIO_MODE_STATUS);
 914   command.parameters.PushBack((uint8_t)state);
 915
 916   return Transmit(command, false);
 917 }
 918
 919 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 920 {
 921   cec_command command;
 922   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 923   command.PushBack((uint8_t)state);
 924
 925   return Transmit(command, false);
 926 }
 927
 928 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 929 {
 930   cec_command command;
 931   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 932   command.parameters.PushBack((uint8_t)key);
 933
 934   return Transmit(command, bWait);
 935 }
 936
 937 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 938 {
 939   cec_command command;
 940   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 941
 942   return Transmit(command, bWait);
 943 }
 944
 945 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 946 {
 947   bool bReturn(false);
 948   MarkBusy();
 949   command.transmit_timeout = m_iTransmitTimeout;
 950
 951   {
 952     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 953     CLockObject writeLock(m_processor->m_transmitMutex);
 954     CLockObject receiveLock(m_receiveMutex);
 955     ++m_iUseCounter;
 956     while (!bReturn && ++iTries <= iMaxTries)
 957     {
 958       m_expectedResponse = expectedResponse;
 959       if (m_processor->Transmit(command))
 960       {
 961         CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
 962         bReturn = bExpectResponse ?
 963             m_condition.Wait(m_receiveMutex, m_iTransmitWait) :
 964             true;
 965       }
 966     }
 967     --m_iUseCounter;
 968   }
 969
 970   MarkReady();
 971   return bReturn;
 972 }
 973
 974 bool CCECCommandHandler::ActivateSource(void)
 975 {
 976   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 977   {
 978     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 979     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 980     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 981
 982     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 983     {
 984       m_processor->SetActiveSource();
 985       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 986       m_bHandlerInited = true;
 987     }
 988   }
 989   return true;
 990 }
 991
 992 void CCECCommandHandler::MarkBusy(void)
 993 {
 994   CLockObject receiveLock(m_receiveMutex);
 995   ++m_iUseCounter;
 996 }
 997
 998 bool CCECCommandHandler::MarkReady(void)
 999 {
1000   CLockObject receiveLock(m_receiveMutex);
1001   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
1002 }
1003
1004 bool CCECCommandHandler::InUse(void)
1005 {
1006   CLockObject receiveLock(m_receiveMutex);
1007   return m_iUseCounter > 0;
1008 }