src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "CECCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../devices/CECAudioSystem.h"
  36 #include "../devices/CECPlaybackDevice.h"
  37 #include "../CECClient.h"
  38 #include "../CECProcessor.h"
  39 #include "../LibCEC.h"
  40 #include "../CECTypeUtils.h"
  41 #include "../platform/util/util.h"
  42
  43 using namespace CEC;
  44 using namespace std;
  45 using namespace PLATFORM;
  46
  47 #define LIB_CEC     m_busDevice->GetProcessor()->GetLib()
  48 #define ToString(p) CCECTypeUtils::ToString(p)
  49
  50 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  51     m_busDevice(busDevice),
  52     m_processor(m_busDevice->GetProcessor()),
  53     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  54     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  55     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES),
  56     m_bHandlerInited(false),
  57     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  58     m_vendorId(CEC_VENDOR_UNKNOWN),
  59     m_waitForResponse(new CWaitForResponse),
  60     m_bActiveSourcePending(false)
  61 {
  62 }
  63
  64 CCECCommandHandler::~CCECCommandHandler(void)
  65 {
  66   DELETE_AND_NULL(m_waitForResponse);
  67 }
  68
  69 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  70 {
  71   if (command.opcode_set == 0)
  72     return HandlePoll(command);
  73
  74   bool bHandled(true);
  75
  76   CCECClient *client = m_busDevice->GetClient();
  77   if (client)
  78     client->AddCommand(command);
  79
  80   switch(command.opcode)
  81   {
  82   case CEC_OPCODE_REPORT_POWER_STATUS:
  83     HandleReportPowerStatus(command);
  84     break;
  85   case CEC_OPCODE_CEC_VERSION:
  86     HandleDeviceCecVersion(command);
  87     break;
  88   case CEC_OPCODE_SET_MENU_LANGUAGE:
  89     HandleSetMenuLanguage(command);
  90     break;
  91   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  92     if (m_processor->CECInitialised())
  93       HandleGivePhysicalAddress(command);
  94     break;
  95   case CEC_OPCODE_GET_MENU_LANGUAGE:
  96     if (m_processor->CECInitialised())
  97       HandleGiveMenuLanguage(command);
  98     break;
  99   case CEC_OPCODE_GIVE_OSD_NAME:
 100     if (m_processor->CECInitialised())
 101       HandleGiveOSDName(command);
 102     break;
 103   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
 104     if (m_processor->CECInitialised())
 105       HandleGiveDeviceVendorId(command);
 106     break;
 107   case CEC_OPCODE_DEVICE_VENDOR_ID:
 108     HandleDeviceVendorId(command);
 109     break;
 110   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
 111     HandleDeviceVendorCommandWithId(command);
 112     break;
 113   case CEC_OPCODE_GIVE_DECK_STATUS:
 114     if (m_processor->CECInitialised())
 115       HandleGiveDeckStatus(command);
 116     break;
 117   case CEC_OPCODE_DECK_CONTROL:
 118     HandleDeckControl(command);
 119     break;
 120   case CEC_OPCODE_MENU_REQUEST:
 121     if (m_processor->CECInitialised())
 122       HandleMenuRequest(command);
 123     break;
 124   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 125     if (m_processor->CECInitialised())
 126       HandleGiveDevicePowerStatus(command);
 127     break;
 128   case CEC_OPCODE_GET_CEC_VERSION:
 129     if (m_processor->CECInitialised())
 130       HandleGetCecVersion(command);
 131     break;
 132   case CEC_OPCODE_USER_CONTROL_PRESSED:
 133     if (m_processor->CECInitialised())
 134       HandleUserControlPressed(command);
 135     break;
 136   case CEC_OPCODE_USER_CONTROL_RELEASE:
 137     if (m_processor->CECInitialised())
 138       HandleUserControlRelease(command);
 139     break;
 140   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 141     if (m_processor->CECInitialised())
 142       HandleGiveAudioStatus(command);
 143     break;
 144   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 145     if (m_processor->CECInitialised())
 146       HandleGiveSystemAudioModeStatus(command);
 147     break;
 148   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 149     if (m_processor->CECInitialised())
 150       HandleSystemAudioModeRequest(command);
 151     break;
 152   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 153     HandleReportAudioStatus(command);
 154     break;
 155   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 156     HandleSystemAudioModeStatus(command);
 157     break;
 158   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 159     HandleSetSystemAudioMode(command);
 160     break;
 161   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 162     if (m_processor->CECInitialised())
 163       HandleRequestActiveSource(command);
 164     break;
 165   case CEC_OPCODE_SET_STREAM_PATH:
 166     HandleSetStreamPath(command);
 167     break;
 168   case CEC_OPCODE_ROUTING_CHANGE:
 169     HandleRoutingChange(command);
 170     break;
 171   case CEC_OPCODE_ROUTING_INFORMATION:
 172     HandleRoutingInformation(command);
 173     break;
 174   case CEC_OPCODE_STANDBY:
 175     if (m_processor->CECInitialised())
 176       HandleStandby(command);
 177     break;
 178   case CEC_OPCODE_ACTIVE_SOURCE:
 179     HandleActiveSource(command);
 180     break;
 181   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 182     HandleReportPhysicalAddress(command);
 183     break;
 184   case CEC_OPCODE_SET_OSD_NAME:
 185     HandleSetOSDName(command);
 186     break;
 187   case CEC_OPCODE_IMAGE_VIEW_ON:
 188     HandleImageViewOn(command);
 189     break;
 190   case CEC_OPCODE_TEXT_VIEW_ON:
 191     HandleTextViewOn(command);
 192     break;
 193   case CEC_OPCODE_FEATURE_ABORT:
 194     HandleFeatureAbort(command);
 195     break;
 196   case CEC_OPCODE_VENDOR_COMMAND:
 197     HandleVendorCommand(command);
 198     break;
 199   default:
 200     bHandled = false;
 201     break;
 202   }
 203
 204   if (bHandled)
 205     m_waitForResponse->Received((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
 206   else
 207     UnhandledCommand(command);
 208
 209   return bHandled;
 210 }
 211
 212 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 213 {
 214   if (command.parameters.size == 2)
 215   {
 216     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 217     CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iAddress);
 218     if (device)
 219       device->MarkAsActiveSource();
 220   }
 221
 222   return true;
 223 }
 224
 225 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 226 {
 227   CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 228   if (device && command.parameters.size > 0)
 229   {
 230     device->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 231     return true;
 232   }
 233
 234   return false;
 235 }
 236
 237 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 238 {
 239   if (command.parameters.size == 1)
 240   {
 241     CCECBusDevice *device = GetDevice(command.initiator);
 242     if (device)
 243       device->SetCecVersion((cec_version) command.parameters[0]);
 244   }
 245
 246   return true;
 247 }
 248
 249 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 250 {
 251   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 252     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 253
 254   return true;
 255 }
 256
 257 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 258 {
 259   return SetVendorId(command);
 260 }
 261
 262 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 263 {
 264   if (command.parameters.size == 2 &&
 265         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 266          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 267     m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 268   return true;
 269 }
 270
 271 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 272 {
 273   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 274   {
 275     CCECBusDevice *device = GetDevice(command.destination);
 276     if (device)
 277       return device->TransmitCECVersion(command.initiator);
 278   }
 279
 280   return false;
 281 }
 282
 283 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 284 {
 285   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 286   {
 287     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 288     if (device)
 289       return device->TransmitAudioStatus(command.initiator);
 290   }
 291
 292   return false;
 293 }
 294
 295 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 296 {
 297   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 298   {
 299     CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 300     if (device)
 301       return device->TransmitDeckStatus(command.initiator);
 302   }
 303
 304   return false;
 305 }
 306
 307 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 308 {
 309   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 310   {
 311     CCECBusDevice *device = GetDevice(command.destination);
 312     if (device)
 313       return device->TransmitPowerState(command.initiator);
 314   }
 315
 316   return false;
 317 }
 318
 319 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 320 {
 321   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 322   {
 323     CCECBusDevice *device = GetDevice(command.destination);
 324     if (device)
 325       return device->TransmitVendorID(command.initiator);
 326   }
 327
 328   return false;
 329 }
 330
 331 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 332 {
 333   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 334   {
 335     CCECBusDevice *device = GetDevice(command.destination);
 336     if (device)
 337       return device->TransmitOSDName(command.initiator);
 338   }
 339
 340   return false;
 341 }
 342
 343 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 344 {
 345   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 346   {
 347     CCECBusDevice *device = GetDevice(command.destination);
 348     if (device)
 349       return device->TransmitPhysicalAddress();
 350   }
 351
 352   return false;
 353 }
 354
 355 bool CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
 356 {
 357   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 358   {
 359     CCECBusDevice *device = GetDevice(command.destination);
 360     if (device)
 361       return device->TransmitSetMenuLanguage(command.initiator);
 362   }
 363
 364   return false;
 365 }
 366
 367 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 368 {
 369   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 370   {
 371     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 372     if (device)
 373       return device->TransmitSystemAudioModeStatus(command.initiator);
 374   }
 375
 376   return false;
 377 }
 378
 379 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 380 {
 381   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 382   return true;
 383 }
 384
 385 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 386 {
 387   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 388   {
 389     CCECBusDevice *device = GetDevice(command.destination);
 390     if (device)
 391     {
 392       CCECClient *client = device->GetClient();
 393       if (client)
 394       {
 395         if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
 396         {
 397           if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
 398             device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 399         }
 400         else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
 401         {
 402           if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
 403             device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 404         }
 405       }
 406       return device->TransmitMenuState(command.initiator);
 407     }
 408   }
 409
 410   return false;
 411 }
 412
 413 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 414 {
 415   m_busDevice->HandlePoll(command.destination);
 416   return true;
 417 }
 418
 419 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 420 {
 421   if (command.parameters.size == 1)
 422   {
 423     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 424     if (device)
 425     {
 426       device->SetAudioStatus(command.parameters[0]);
 427       return true;
 428     }
 429   }
 430   return false;
 431 }
 432
 433 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 434 {
 435   if (command.parameters.size == 3)
 436   {
 437     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 438     SetPhysicalAddress(command.initiator, iNewAddress);
 439   }
 440   return true;
 441 }
 442
 443 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 444 {
 445   if (command.parameters.size == 1)
 446   {
 447     CCECBusDevice *device = GetDevice(command.initiator);
 448     if (device)
 449       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 450   }
 451   return true;
 452 }
 453
 454 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 455 {
 456   if (m_processor->CECInitialised())
 457   {
 458     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 459     m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 460
 461     vector<CCECBusDevice *> devices;
 462     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 463       devices[iDevicePtr]->TransmitActiveSource();
 464
 465     return true;
 466   }
 467   return false;
 468 }
 469
 470 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 471 {
 472   if (command.parameters.size == 4)
 473   {
 474     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 475     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 476
 477     CCECBusDevice *device = GetDevice(command.initiator);
 478     if (device)
 479       device->SetStreamPath(iNewAddress, iOldAddress);
 480   }
 481   return true;
 482 }
 483
 484 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 485 {
 486   if (command.parameters.size == 2)
 487   {
 488     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 489     CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 490     if (device)
 491       device->MarkAsActiveSource();
 492   }
 493
 494   return false;
 495 }
 496
 497 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 498 {
 499   if (command.parameters.size == 3)
 500   {
 501     CCECBusDevice *device = GetDevice(command.initiator);
 502     if (device)
 503     {
 504       cec_menu_language language;
 505       language.device = command.initiator;
 506       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 507         language.language[iPtr] = command.parameters[iPtr];
 508       language.language[3] = 0;
 509       device->SetMenuLanguage(language);
 510       return true;
 511     }
 512   }
 513   return false;
 514 }
 515
 516 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 517 {
 518   if (command.parameters.size > 0)
 519   {
 520     CCECBusDevice *device = GetDevice(command.initiator);
 521     if (device)
 522     {
 523       char buf[1024];
 524       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 525         buf[iPtr] = (char)command.parameters[iPtr];
 526       buf[command.parameters.size] = 0;
 527
 528       CStdString strName(buf);
 529       device->SetOSDName(strName);
 530
 531       return true;
 532     }
 533   }
 534   return false;
 535 }
 536
 537 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 538 {
 539   if (m_processor->CECInitialised() && command.parameters.size >= 2)
 540   {
 541     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 542     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 543
 544     /* one of the device handled by libCEC has been made active */
 545     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 546     if (device && device->IsHandledByLibCEC())
 547       device->ActivateSource();
 548   }
 549   return false;
 550 }
 551
 552 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 553 {
 554   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 555   {
 556     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 557     if (device)
 558     {
 559       if (command.parameters.size >= 2)
 560       {
 561         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 562         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 563         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 564         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 565         if (newActiveDevice)
 566           newActiveDevice->MarkAsActiveSource();
 567         return device->TransmitSetSystemAudioMode(command.initiator);
 568       }
 569       else
 570       {
 571         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 572         return device->TransmitSetSystemAudioMode(command.initiator);
 573       }
 574     }
 575   }
 576   return false;
 577 }
 578
 579 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 580 {
 581   CCECBusDevice *device = GetDevice(command.initiator);
 582   if (device)
 583     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 584
 585   return true;
 586 }
 587
 588 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 589 {
 590   if (command.parameters.size == 1)
 591   {
 592     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 593     if (device)
 594     {
 595       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 596       return true;
 597     }
 598   }
 599
 600   return false;
 601 }
 602
 603 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 604 {
 605   if (command.parameters.size == 1)
 606   {
 607     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 608     if (device)
 609     {
 610       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 611       return true;
 612     }
 613   }
 614
 615   return false;
 616 }
 617
 618 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 619 {
 620   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 621   return true;
 622 }
 623
 624 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 625 {
 626   if (m_processor->CECInitialised() &&
 627       m_processor->IsHandledByLibCEC(command.destination) &&
 628       command.parameters.size > 0)
 629   {
 630     CCECBusDevice *device = GetDevice(command.destination);
 631     if (!device)
 632       return true;
 633
 634     CCECClient *client = device->GetClient();
 635     if (client)
 636       client->AddKey();
 637
 638     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 639       client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 640
 641     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 642         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 643     {
 644       bool bPowerOn(true);
 645       if (!device)
 646         return true;
 647
 648       // CEC_USER_CONTROL_CODE_POWER operates as a toggle
 649       // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 650       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER)
 651       {
 652         cec_power_status status = device->GetCurrentPowerStatus();
 653         bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 654       }
 655
 656       if (bPowerOn)
 657       {
 658         device->ActivateSource();
 659       }
 660       else
 661       {
 662         device->MarkAsInactiveSource();
 663         device->TransmitInactiveSource();
 664         device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 665       }
 666     }
 667
 668     return true;
 669   }
 670   return false;
 671 }
 672
 673 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 674 {
 675   CCECClient *client = m_processor->GetClient(command.destination);
 676   if (client)
 677     client->AddKey();
 678   return true;
 679 }
 680
 681 bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 682 {
 683   return true;
 684 }
 685
 686 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 687 {
 688   LIB_CEC->AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 689
 690   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 691     m_processor->TransmitAbort(m_busDevice->GetLogicalAddress(), command.initiator, command.opcode, CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
 692 }
 693
 694 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 695 {
 696   size_t iReturn(0);
 697
 698   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 699   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 700   {
 701     if (addresses[iPtr])
 702     {
 703       devices.push_back(GetDevice((cec_logical_address) iPtr));
 704       ++iReturn;
 705     }
 706   }
 707
 708   return iReturn;
 709 }
 710
 711 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 712 {
 713   return m_processor->GetDevice(iLogicalAddress);
 714 }
 715
 716 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 717 {
 718   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 719 }
 720
 721 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 722 {
 723   bool bChanged(false);
 724   if (command.parameters.size < 3)
 725   {
 726     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 727     return bChanged;
 728   }
 729
 730   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 731                        ((uint64_t)command.parameters[1] << 8) +
 732                         (uint64_t)command.parameters[2];
 733
 734   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 735   if (device)
 736     bChanged = device->SetVendorId(iVendorId);
 737   return bChanged;
 738 }
 739
 740 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 741 {
 742   if (!m_processor->IsHandledByLibCEC(iAddress))
 743   {
 744     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 745     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 746
 747     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 748     if (device)
 749       device->SetPhysicalAddress(iNewAddress);
 750     else
 751     {
 752       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 753     }
 754
 755     /* another device reported the same physical address as ours */
 756     if (client)
 757       client->ResetPhysicalAddress();
 758   }
 759   else
 760   {
 761     LIB_CEC->AddLog(CEC_LOG_DEBUG, "ignore physical address report for device %s (%X) because it's marked as handled by libCEC", ToString(iAddress), iAddress);
 762   }
 763 }
 764
 765 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 766 {
 767   if (iDestination == CECDEVICE_TV)
 768     return TransmitImageViewOn(iInitiator, iDestination);
 769
 770   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 771     TransmitKeyRelease(iInitiator, iDestination);
 772 }
 773
 774 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 775 {
 776   cec_command command;
 777   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 778
 779   return Transmit(command);
 780 }
 781
 782 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 783 {
 784   cec_command command;
 785   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 786
 787   return Transmit(command);
 788 }
 789
 790 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 791 {
 792   cec_command command;
 793   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 794
 795   return Transmit(command, !bWaitForResponse);
 796 }
 797
 798 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 799 {
 800   cec_command command;
 801   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 802
 803   return Transmit(command, !bWaitForResponse);
 804 }
 805
 806 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 807 {
 808   cec_command command;
 809   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 810
 811   return Transmit(command, !bWaitForResponse);
 812 }
 813
 814 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 815 {
 816   cec_command command;
 817   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 818
 819   return Transmit(command, !bWaitForResponse);
 820 }
 821
 822 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 823 {
 824   cec_command command;
 825   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 826
 827   return Transmit(command, !bWaitForResponse);
 828 }
 829
 830 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 831 {
 832   cec_command command;
 833   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 834
 835   return Transmit(command, !bWaitForResponse);
 836 }
 837
 838 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 839 {
 840   cec_command command;
 841   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 842
 843   return Transmit(command, !bWaitForResponse);
 844 }
 845
 846 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 847 {
 848   cec_command command;
 849   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 850   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 851   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 852
 853   return Transmit(command);
 854 }
 855
 856 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 857 {
 858   cec_command command;
 859   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 860   command.parameters.PushBack((uint8_t)cecVersion);
 861
 862   return Transmit(command);
 863 }
 864
 865 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 866 {
 867   cec_command command;
 868   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 869   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 870   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 871
 872   return Transmit(command);
 873 }
 874
 875 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 876 {
 877   cec_command command;
 878   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 879   command.parameters.PushBack((uint8_t)menuState);
 880
 881   return Transmit(command);
 882 }
 883
 884 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 885 {
 886   cec_command command;
 887   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 888   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 889     command.parameters.PushBack(strDeviceName.at(iPtr));
 890
 891   return Transmit(command);
 892 }
 893
 894 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 895 {
 896   cec_command command;
 897   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 898   command.parameters.PushBack((uint8_t)duration);
 899
 900   size_t iLen = strlen(strMessage);
 901   if (iLen > 13) iLen = 13;
 902
 903   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 904     command.parameters.PushBack(strMessage[iPtr]);
 905
 906   return Transmit(command);
 907 }
 908
 909 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 910 {
 911   cec_command command;
 912   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 913   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 914   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 915   command.parameters.PushBack((uint8_t) (type));
 916
 917   return Transmit(command);
 918 }
 919
 920 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[3])
 921 {
 922   cec_command command;
 923   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
 924   command.parameters.PushBack((uint8_t) lang[0]);
 925   command.parameters.PushBack((uint8_t) lang[1]);
 926   command.parameters.PushBack((uint8_t) lang[2]);
 927
 928   return Transmit(command);
 929 }
 930
 931 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 932 {
 933   cec_command command;
 934   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 935
 936   return Transmit(command);
 937 }
 938
 939 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 940 {
 941   cec_command command;
 942   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 943   command.parameters.PushBack((uint8_t) state);
 944
 945   return Transmit(command);
 946 }
 947
 948 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 949 {
 950   cec_command command;
 951   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 952
 953   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 954   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 955   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 956
 957   return Transmit(command);
 958 }
 959
 960 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 961 {
 962   cec_command command;
 963   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 964   command.parameters.PushBack(state);
 965
 966   return Transmit(command);
 967 }
 968
 969 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 970 {
 971   cec_command command;
 972   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 973   command.parameters.PushBack((uint8_t)state);
 974
 975   return Transmit(command);
 976 }
 977
 978 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath)
 979 {
 980   cec_command command;
 981   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
 982   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
 983   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
 984
 985   return Transmit(command);
 986 }
 987
 988 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 989 {
 990   cec_command command;
 991   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 992   command.parameters.PushBack((uint8_t)state);
 993
 994   return Transmit(command);
 995 }
 996
 997 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 998 {
 999   cec_command command;
1000   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1001   command.PushBack((uint8_t)state);
1002
1003   return Transmit(command);
1004 }
1005
1006 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1007 {
1008   cec_command command;
1009   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1010   command.parameters.PushBack((uint8_t)key);
1011
1012   return Transmit(command, !bWait);
1013 }
1014
1015 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1016 {
1017   cec_command command;
1018   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1019
1020   return Transmit(command, !bWait);
1021 }
1022
1023 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait /* = false */)
1024 {
1025   bool bReturn(false);
1026   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1027   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1028   command.transmit_timeout = m_iTransmitTimeout;
1029
1030   if (command.initiator == CECDEVICE_UNKNOWN)
1031   {
1032     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1033     return bReturn;
1034   }
1035
1036   {
1037     uint8_t iTries(0), iMaxTries(!command.opcode_set ? 1 : m_iTransmitRetries + 1);
1038     while (!bReturn && ++iTries <= iMaxTries && !m_busDevice->IsUnsupportedFeature(command.opcode))
1039     {
1040       if ((bReturn = m_processor->Transmit(command)) == true)
1041       {
1042         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1043         if (bExpectResponse)
1044         {
1045           bReturn = m_waitForResponse->Wait(expectedResponse);
1046           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1047         }
1048       }
1049     }
1050   }
1051
1052   return bReturn;
1053 }
1054
1055 bool CCECCommandHandler::ActivateSource(void)
1056 {
1057   if (m_busDevice->IsActiveSource() &&
1058     m_busDevice->IsHandledByLibCEC())
1059   {
1060     {
1061       CLockObject lock(m_mutex);
1062       m_bActiveSourcePending = false;
1063     }
1064
1065     m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1066     m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1067
1068     if (!m_busDevice->TransmitImageViewOn() ||
1069         !m_busDevice->TransmitActiveSource() ||
1070         !m_busDevice->TransmitMenuState(CECDEVICE_TV))
1071     {
1072       CLockObject lock(m_mutex);
1073       m_bActiveSourcePending = true;
1074       return false;
1075     }
1076
1077     CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1078     if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1079       playbackDevice->TransmitDeckStatus(CECDEVICE_TV);
1080
1081     m_bHandlerInited = true;
1082   }
1083   return true;
1084 }
1085
1086 void CCECCommandHandler::SignalOpcode(cec_opcode opcode)
1087 {
1088   m_waitForResponse->Received(opcode);
1089 }
1090
1091 bool CCECCommandHandler::ActiveSourcePending(void)
1092 {
1093   CLockObject lock(m_mutex);
1094   return m_bActiveSourcePending;
1095 }