src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2013 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 "env.h"
  34 #include "CECCommandHandler.h"
  35
  36 #include "lib/devices/CECBusDevice.h"
  37 #include "lib/devices/CECAudioSystem.h"
  38 #include "lib/devices/CECPlaybackDevice.h"
  39 #include "lib/CECClient.h"
  40 #include "lib/CECProcessor.h"
  41 #include "lib/LibCEC.h"
  42 #include "lib/CECTypeUtils.h"
  43 #include "lib/platform/util/util.h"
  44
  45 using namespace CEC;
  46 using namespace std;
  47 using namespace PLATFORM;
  48
  49 #define LIB_CEC     m_busDevice->GetProcessor()->GetLib()
  50 #define ToString(p) CCECTypeUtils::ToString(p)
  51 #define REQUEST_POWER_STATUS_TIMEOUT 5000
  52
  53 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice,
  54                                        int32_t iTransmitTimeout /* = CEC_DEFAULT_TRANSMIT_TIMEOUT */,
  55                                        int32_t iTransmitWait /* = CEC_DEFAULT_TRANSMIT_WAIT */,
  56                                        int8_t iTransmitRetries /* = CEC_DEFAULT_TRANSMIT_RETRIES */,
  57                                        int64_t iActiveSourcePending /* = 0 */) :
  58     m_busDevice(busDevice),
  59     m_processor(m_busDevice->GetProcessor()),
  60     m_iTransmitTimeout(iTransmitTimeout),
  61     m_iTransmitWait(iTransmitWait),
  62     m_iTransmitRetries(iTransmitRetries),
  63     m_bHandlerInited(false),
  64     m_bOPTSendDeckStatusUpdateOnActiveSource(false),
  65     m_vendorId(CEC_VENDOR_UNKNOWN),
  66     m_iActiveSourcePending(iActiveSourcePending),
  67     m_iPowerStatusRequested(0)
  68 {
  69 }
  70
  71 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  72 {
  73   if (command.opcode_set == 0)
  74     return HandlePoll(command);
  75
  76   int iHandled(CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
  77
  78   LIB_CEC->AddCommand(command);
  79
  80   switch(command.opcode)
  81   {
  82   case CEC_OPCODE_REPORT_POWER_STATUS:
  83     iHandled = HandleReportPowerStatus(command);
  84     break;
  85   case CEC_OPCODE_CEC_VERSION:
  86     iHandled = HandleDeviceCecVersion(command);
  87     break;
  88   case CEC_OPCODE_SET_MENU_LANGUAGE:
  89     iHandled = HandleSetMenuLanguage(command);
  90     break;
  91   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  92     iHandled = HandleGivePhysicalAddress(command);
  93     break;
  94   case CEC_OPCODE_GET_MENU_LANGUAGE:
  95     iHandled = HandleGiveMenuLanguage(command);
  96     break;
  97   case CEC_OPCODE_GIVE_OSD_NAME:
  98     iHandled = HandleGiveOSDName(command);
  99     break;
 100   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
 101     iHandled = HandleGiveDeviceVendorId(command);
 102     break;
 103   case CEC_OPCODE_DEVICE_VENDOR_ID:
 104     iHandled = HandleDeviceVendorId(command);
 105     break;
 106   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
 107     iHandled = HandleDeviceVendorCommandWithId(command);
 108     break;
 109   case CEC_OPCODE_GIVE_DECK_STATUS:
 110     iHandled = HandleGiveDeckStatus(command);
 111     break;
 112   case CEC_OPCODE_DECK_CONTROL:
 113     iHandled = HandleDeckControl(command);
 114     break;
 115   case CEC_OPCODE_MENU_REQUEST:
 116     iHandled = HandleMenuRequest(command);
 117     break;
 118   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 119     iHandled = HandleGiveDevicePowerStatus(command);
 120     break;
 121   case CEC_OPCODE_GET_CEC_VERSION:
 122     iHandled = HandleGetCecVersion(command);
 123     break;
 124   case CEC_OPCODE_USER_CONTROL_PRESSED:
 125     iHandled = HandleUserControlPressed(command);
 126     break;
 127   case CEC_OPCODE_USER_CONTROL_RELEASE:
 128     iHandled = HandleUserControlRelease(command);
 129     break;
 130   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 131     iHandled = HandleGiveAudioStatus(command);
 132     break;
 133   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 134     iHandled = HandleGiveSystemAudioModeStatus(command);
 135     break;
 136   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 137     iHandled = HandleSystemAudioModeRequest(command);
 138     break;
 139   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 140     iHandled = HandleReportAudioStatus(command);
 141     break;
 142   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 143     iHandled = HandleSystemAudioModeStatus(command);
 144     break;
 145   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 146     iHandled = HandleSetSystemAudioMode(command);
 147     break;
 148   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 149     iHandled = HandleRequestActiveSource(command);
 150     break;
 151   case CEC_OPCODE_SET_STREAM_PATH:
 152     iHandled = HandleSetStreamPath(command);
 153     break;
 154   case CEC_OPCODE_ROUTING_CHANGE:
 155     iHandled = HandleRoutingChange(command);
 156     break;
 157   case CEC_OPCODE_ROUTING_INFORMATION:
 158     iHandled = HandleRoutingInformation(command);
 159     break;
 160   case CEC_OPCODE_STANDBY:
 161     iHandled = HandleStandby(command);
 162     break;
 163   case CEC_OPCODE_ACTIVE_SOURCE:
 164     iHandled = HandleActiveSource(command);
 165     break;
 166   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 167     iHandled = HandleReportPhysicalAddress(command);
 168     break;
 169   case CEC_OPCODE_SET_OSD_NAME:
 170     iHandled = HandleSetOSDName(command);
 171     break;
 172   case CEC_OPCODE_IMAGE_VIEW_ON:
 173     iHandled = HandleImageViewOn(command);
 174     break;
 175   case CEC_OPCODE_TEXT_VIEW_ON:
 176     iHandled = HandleTextViewOn(command);
 177     break;
 178   case CEC_OPCODE_FEATURE_ABORT:
 179     iHandled = HandleFeatureAbort(command);
 180     break;
 181   case CEC_OPCODE_VENDOR_COMMAND:
 182     iHandled = HandleVendorCommand(command);
 183     break;
 184   case CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN:
 185     iHandled = HandleVendorRemoteButtonDown(command);
 186     break;
 187   case CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP:
 188     iHandled = HandleVendorRemoteButtonUp(command);
 189     break;
 190   case CEC_OPCODE_PLAY:
 191     // libCEC (currently) doesn't need to do anything with this, since player applications handle it
 192     // but it should not respond with a feature abort
 193     iHandled = COMMAND_HANDLED;
 194     break;
 195   default:
 196     break;
 197   }
 198
 199   if (iHandled == COMMAND_HANDLED)
 200     m_busDevice->SignalOpcode((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
 201   else
 202     UnhandledCommand(command, (cec_abort_reason)iHandled);
 203
 204   return iHandled == COMMAND_HANDLED;
 205 }
 206
 207 int CCECCommandHandler::HandleActiveSource(const cec_command &command)
 208 {
 209   if (command.parameters.size == 2)
 210   {
 211     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 212     CCECBusDevice *device = m_processor->GetDevice(command.initiator);
 213     if (device)
 214     {
 215       device->SetPhysicalAddress(iAddress);
 216       device->MarkAsActiveSource();
 217     }
 218
 219     m_processor->GetDevices()->SignalAll(command.opcode);
 220     return COMMAND_HANDLED;
 221   }
 222
 223   return CEC_ABORT_REASON_INVALID_OPERAND;
 224 }
 225
 226 int CCECCommandHandler::HandleDeckControl(const cec_command &command)
 227 {
 228   CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 229   if (device && command.parameters.size > 0)
 230   {
 231     device->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 232     return COMMAND_HANDLED;
 233   }
 234
 235   return CEC_ABORT_REASON_INVALID_OPERAND;
 236 }
 237
 238 int CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 239 {
 240   if (command.parameters.size == 1)
 241   {
 242     CCECBusDevice *device = GetDevice(command.initiator);
 243     if (device)
 244       device->SetCecVersion((cec_version) command.parameters[0]);
 245
 246     return COMMAND_HANDLED;
 247   }
 248
 249   return CEC_ABORT_REASON_INVALID_OPERAND;
 250 }
 251
 252 int CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command & UNUSED(command))
 253 {
 254   return CEC_ABORT_REASON_INVALID_OPERAND;
 255 }
 256
 257 int CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 258 {
 259   SetVendorId(command);
 260   return COMMAND_HANDLED;
 261 }
 262
 263 int CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 264 {
 265   if (command.parameters.size == 2 &&
 266         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 267          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 268     m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 269   return COMMAND_HANDLED;
 270 }
 271
 272 int CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 273 {
 274   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 275   {
 276     CCECBusDevice *device = GetDevice(command.destination);
 277     if (device && device->TransmitCECVersion(command.initiator, true))
 278       return COMMAND_HANDLED;
 279     return CEC_ABORT_REASON_INVALID_OPERAND;
 280   }
 281
 282   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 283 }
 284
 285 int CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 286 {
 287   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 288   {
 289     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 290     if (device && device->TransmitAudioStatus(command.initiator, true))
 291       return COMMAND_HANDLED;
 292     return CEC_ABORT_REASON_INVALID_OPERAND;
 293   }
 294
 295   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 296 }
 297
 298 int CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 299 {
 300   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 301   {
 302     CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 303     if (device && device->TransmitDeckStatus(command.initiator, true))
 304       return COMMAND_HANDLED;
 305     return CEC_ABORT_REASON_INVALID_OPERAND;
 306   }
 307
 308   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 309 }
 310
 311 int CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 312 {
 313   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 314   {
 315     CCECBusDevice *device = GetDevice(command.destination);
 316     if (device && device->TransmitPowerState(command.initiator, true))
 317       return COMMAND_HANDLED;
 318     return CEC_ABORT_REASON_INVALID_OPERAND;
 319   }
 320
 321   return CEC_ABORT_REASON_INVALID_OPERAND;
 322 }
 323
 324 int CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 325 {
 326   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 327   {
 328     CCECBusDevice *device = GetDevice(command.destination);
 329     if (device && device->TransmitVendorID(command.initiator, true, true))
 330       return COMMAND_HANDLED;
 331   }
 332
 333   return CEC_ABORT_REASON_INVALID_OPERAND;
 334 }
 335
 336 int CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 337 {
 338   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 339   {
 340     CCECBusDevice *device = GetDevice(command.destination);
 341     if (device && device->TransmitOSDName(command.initiator, true))
 342       return COMMAND_HANDLED;
 343   }
 344
 345   return CEC_ABORT_REASON_INVALID_OPERAND;
 346 }
 347
 348 int CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 349 {
 350   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 351   {
 352     CCECBusDevice *device = GetDevice(command.destination);
 353     if (device && device->TransmitPhysicalAddress(true))
 354       return COMMAND_HANDLED;
 355     return CEC_ABORT_REASON_INVALID_OPERAND;
 356   }
 357
 358   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 359 }
 360
 361 int CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
 362 {
 363   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 364   {
 365     CCECBusDevice *device = GetDevice(command.destination);
 366     if (device && device->TransmitSetMenuLanguage(command.initiator, true))
 367       return COMMAND_HANDLED;
 368     return CEC_ABORT_REASON_INVALID_OPERAND;
 369   }
 370
 371   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 372 }
 373
 374 int CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 375 {
 376   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 377   {
 378     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 379     if (device && device->TransmitSystemAudioModeStatus(command.initiator, true))
 380       return COMMAND_HANDLED;
 381     return CEC_ABORT_REASON_INVALID_OPERAND;
 382   }
 383
 384   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 385 }
 386
 387 int CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 388 {
 389   CCECBusDevice *device = GetDevice(command.destination);
 390   if (device && device->GetCurrentStatus() == CEC_DEVICE_STATUS_PRESENT)
 391   {
 392     if (device->GetCurrentPowerStatus() == CEC_POWER_STATUS_STANDBY ||
 393         device->GetCurrentPowerStatus() == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY)
 394       device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 395     CCECBusDevice* tv = GetDevice(CECDEVICE_TV);
 396     if (tv)
 397       tv->OnImageViewOnSent(false);
 398   }
 399   return COMMAND_HANDLED;
 400 }
 401
 402 int CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 403 {
 404   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 405   {
 406     CCECBusDevice *device = GetDevice(command.destination);
 407     if (device)
 408     {
 409       CCECClient *client = device->GetClient();
 410       if (client)
 411       {
 412         if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
 413         {
 414           if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
 415             device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 416         }
 417         else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
 418         {
 419           if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
 420             device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 421         }
 422       }
 423       if (device->TransmitMenuState(command.initiator, true))
 424         return COMMAND_HANDLED;
 425     }
 426     return CEC_ABORT_REASON_INVALID_OPERAND;
 427   }
 428
 429   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 430 }
 431
 432 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 433 {
 434   m_busDevice->HandlePoll(command.destination);
 435   return true;
 436 }
 437
 438 int CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 439 {
 440   if (command.parameters.size == 1)
 441   {
 442     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 443     if (device)
 444     {
 445       device->SetAudioStatus(command.parameters[0]);
 446       return COMMAND_HANDLED;
 447     }
 448   }
 449   return CEC_ABORT_REASON_INVALID_OPERAND;
 450 }
 451
 452 int CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 453 {
 454   if (command.parameters.size == 3)
 455   {
 456     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 457     SetPhysicalAddress(command.initiator, iNewAddress);
 458     return COMMAND_HANDLED;
 459   }
 460   return CEC_ABORT_REASON_INVALID_OPERAND;
 461 }
 462
 463 int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 464 {
 465   if (command.parameters.size == 1)
 466   {
 467     CCECBusDevice *device = GetDevice(command.initiator);
 468     if (device)
 469     {
 470       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 471       return COMMAND_HANDLED;
 472     }
 473   }
 474   return CEC_ABORT_REASON_INVALID_OPERAND;
 475 }
 476
 477 int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 478 {
 479   if (m_processor->CECInitialised())
 480   {
 481     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 482     m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 483
 484     vector<CCECBusDevice *> devices;
 485     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 486       devices[iDevicePtr]->TransmitActiveSource(true);
 487   }
 488
 489   return COMMAND_HANDLED;
 490 }
 491
 492 int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 493 {
 494   if (command.parameters.size == 4)
 495   {
 496     CCECBusDevice *device = GetDevice(command.initiator);
 497     if (device)
 498     {
 499       uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 500       device->SetActiveRoute(iNewAddress);
 501       return COMMAND_HANDLED;
 502     }
 503   }
 504
 505   return CEC_ABORT_REASON_INVALID_OPERAND;
 506 }
 507
 508 int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 509 {
 510   if (command.parameters.size == 2)
 511   {
 512     CCECBusDevice *device = GetDevice(command.initiator);
 513     if (device)
 514     {
 515       uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 516       device->SetActiveRoute(iNewAddress);
 517       return COMMAND_HANDLED;
 518     }
 519   }
 520
 521   return CEC_ABORT_REASON_INVALID_OPERAND;
 522 }
 523
 524 int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 525 {
 526   if (command.parameters.size == 3)
 527   {
 528     CCECBusDevice *device = GetDevice(command.initiator);
 529     if (device)
 530     {
 531       cec_menu_language language;
 532       language.device = command.initiator;
 533       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 534         language.language[iPtr] = command.parameters[iPtr];
 535       language.language[3] = 0;
 536       device->SetMenuLanguage(language);
 537       return COMMAND_HANDLED;
 538     }
 539   }
 540
 541   return CEC_ABORT_REASON_INVALID_OPERAND;
 542 }
 543
 544 int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 545 {
 546   if (command.parameters.size > 0)
 547   {
 548     CCECBusDevice *device = GetDevice(command.initiator);
 549     if (device)
 550     {
 551       char buf[1024];
 552       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 553         buf[iPtr] = (char)command.parameters[iPtr];
 554       buf[command.parameters.size] = 0;
 555
 556       CStdString strName(buf);
 557       device->SetOSDName(strName);
 558
 559       return COMMAND_HANDLED;
 560     }
 561   }
 562
 563   return CEC_ABORT_REASON_INVALID_OPERAND;
 564 }
 565
 566 int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 567 {
 568   if (!m_processor->CECInitialised())
 569     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 570
 571   if (command.parameters.size >= 2)
 572   {
 573     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 574     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
 575
 576     /* one of the device handled by libCEC has been made active */
 577     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 578     if (device)
 579     {
 580       if (device->IsHandledByLibCEC() && !device->IsActiveSource())
 581         device->ActivateSource();
 582       else
 583         device->MarkAsActiveSource();
 584       return COMMAND_HANDLED;
 585     }
 586   }
 587
 588   return CEC_ABORT_REASON_INVALID_OPERAND;
 589 }
 590
 591 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 592 {
 593   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 594   {
 595     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 596     if (device)
 597     {
 598       if (command.parameters.size >= 2)
 599       {
 600         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 601         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 602         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 603         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 604         if (newActiveDevice)
 605           newActiveDevice->MarkAsActiveSource();
 606         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 607           return COMMAND_HANDLED;
 608       }
 609       else
 610       {
 611         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 612         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 613           return COMMAND_HANDLED;
 614       }
 615     }
 616   }
 617
 618   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 619 }
 620
 621 int CCECCommandHandler::HandleStandby(const cec_command &command)
 622 {
 623   CCECBusDevice *device = GetDevice(command.initiator);
 624   if (device)
 625     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 626
 627   return COMMAND_HANDLED;
 628 }
 629
 630 int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 631 {
 632   if (command.parameters.size == 1)
 633   {
 634     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 635     if (device)
 636     {
 637       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 638       return COMMAND_HANDLED;
 639     }
 640   }
 641
 642   return CEC_ABORT_REASON_INVALID_OPERAND;
 643 }
 644
 645 int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 646 {
 647   if (command.parameters.size == 1)
 648   {
 649     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 650     if (device)
 651     {
 652       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 653       return COMMAND_HANDLED;
 654     }
 655   }
 656
 657   return CEC_ABORT_REASON_INVALID_OPERAND;
 658 }
 659
 660 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 661 {
 662   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 663   return COMMAND_HANDLED;
 664 }
 665
 666 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 667 {
 668   if (!m_processor->CECInitialised() ||
 669       !m_processor->IsHandledByLibCEC(command.destination))
 670     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 671
 672   if (command.parameters.size == 0)
 673     return CEC_ABORT_REASON_INVALID_OPERAND;
 674
 675   CCECBusDevice *device = GetDevice(command.destination);
 676   if (!device)
 677     return CEC_ABORT_REASON_INVALID_OPERAND;
 678
 679   CCECClient *client = device->GetClient();
 680   if (client)
 681     client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 682
 683   if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 684       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
 685       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 686   {
 687     bool bPowerOn(true);
 688
 689     // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
 690     // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 691     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 692         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 693     {
 694       cec_power_status status = device->GetCurrentPowerStatus();
 695       bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 696     }
 697
 698     if (bPowerOn)
 699     {
 700       device->ActivateSource();
 701     }
 702     else
 703     {
 704       device->MarkAsInactiveSource();
 705       device->TransmitInactiveSource();
 706       device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 707     }
 708   }
 709   else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
 710   {
 711     // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
 712     if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
 713       device->MarkAsActiveSource();
 714   }
 715
 716   return COMMAND_HANDLED;
 717 }
 718
 719 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 720 {
 721   if (!m_processor->CECInitialised() ||
 722       !m_processor->IsHandledByLibCEC(command.destination))
 723     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 724
 725   CCECClient *client = m_processor->GetClient(command.destination);
 726   if (client)
 727     client->AddKey();
 728
 729   return COMMAND_HANDLED;
 730 }
 731
 732 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 733 {
 734   return CEC_ABORT_REASON_INVALID_OPERAND;
 735 }
 736
 737 int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
 738 {
 739   if (command.parameters.size == 0)
 740     return CEC_ABORT_REASON_INVALID_OPERAND;
 741
 742   LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
 743   return COMMAND_HANDLED;
 744 }
 745
 746 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
 747 {
 748   if (m_processor->IsHandledByLibCEC(command.destination))
 749   {
 750     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
 751     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
 752
 753     if (reason == CEC_ABORT_REASON_INVALID_OPERAND)
 754       RequestEmailFromCustomer(command);
 755   }
 756 }
 757
 758 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 759 {
 760   size_t iReturn(0);
 761
 762   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 763   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 764   {
 765     if (addresses[iPtr])
 766     {
 767       devices.push_back(GetDevice((cec_logical_address) iPtr));
 768       ++iReturn;
 769     }
 770   }
 771
 772   return iReturn;
 773 }
 774
 775 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 776 {
 777   return m_processor->GetDevice(iLogicalAddress);
 778 }
 779
 780 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 781 {
 782   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 783 }
 784
 785 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 786 {
 787   bool bChanged(false);
 788   if (command.parameters.size < 3)
 789   {
 790     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 791     return bChanged;
 792   }
 793
 794   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 795                        ((uint64_t)command.parameters[1] << 8) +
 796                         (uint64_t)command.parameters[2];
 797
 798   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 799   if (device)
 800     bChanged = device->SetVendorId(iVendorId);
 801   return bChanged;
 802 }
 803
 804 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 805 {
 806   if (!m_processor->IsHandledByLibCEC(iAddress))
 807   {
 808     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 809     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 810
 811     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 812     if (device)
 813       device->SetPhysicalAddress(iNewAddress);
 814     else
 815       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 816
 817     /* another device reported the same physical address as ours */
 818     if (client)
 819     {
 820       libcec_parameter param;
 821       param.paramType = CEC_PARAMETER_TYPE_STRING;
 822       param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
 823       client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
 824       client->ResetPhysicalAddress();
 825     }
 826   }
 827   else
 828   {
 829     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);
 830   }
 831 }
 832
 833 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 834 {
 835   if (iDestination == CECDEVICE_TV)
 836     return TransmitImageViewOn(iInitiator, iDestination);
 837
 838   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 839     TransmitKeyRelease(iInitiator, iDestination);
 840 }
 841
 842 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 843 {
 844   cec_command command;
 845   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 846
 847   if (Transmit(command, false, false))
 848   {
 849     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 850     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 851       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 852     return true;
 853   }
 854   return false;
 855 }
 856
 857 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 858 {
 859   cec_command command;
 860   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 861
 862   return Transmit(command, false, false);
 863 }
 864
 865 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 866 {
 867   cec_command command;
 868   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 869
 870   return Transmit(command, !bWaitForResponse, false);
 871 }
 872
 873 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 874 {
 875   cec_command command;
 876   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 877
 878   return Transmit(command, !bWaitForResponse, false);
 879 }
 880
 881 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 882 {
 883   cec_command command;
 884   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 885
 886   return Transmit(command, !bWaitForResponse, false);
 887 }
 888
 889 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 890 {
 891   cec_command command;
 892   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 893
 894   return Transmit(command, !bWaitForResponse, false);
 895 }
 896
 897 bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 898 {
 899   cec_command command;
 900   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
 901
 902   return Transmit(command, !bWaitForResponse, false);
 903 }
 904
 905 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 906 {
 907   cec_command command;
 908   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 909
 910   return Transmit(command, !bWaitForResponse, false);
 911 }
 912
 913 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bUpdate, bool bWaitForResponse /* = true */)
 914 {
 915   if (iDestination == CECDEVICE_TV)
 916   {
 917     int64_t now(GetTimeMs());
 918     if (!bUpdate && now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 919       return true;
 920     m_iPowerStatusRequested = now;
 921   }
 922
 923   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 924
 925   cec_command command;
 926   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 927
 928   return Transmit(command, !bWaitForResponse, false);
 929 }
 930
 931 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 932 {
 933   cec_command command;
 934   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 935
 936   return Transmit(command, !bWaitForResponse, false);
 937 }
 938
 939 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 940 {
 941   cec_command command;
 942   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 943   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 944   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 945
 946   return Transmit(command, false, bIsReply);
 947 }
 948
 949 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 950 {
 951   cec_command command;
 952   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 953   command.parameters.PushBack((uint8_t)cecVersion);
 954
 955   return Transmit(command, false, bIsReply);
 956 }
 957
 958 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 959 {
 960   cec_command command;
 961   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 962   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 963   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 964
 965   return Transmit(command, false, false);
 966 }
 967
 968 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 969 {
 970   cec_command command;
 971   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 972   command.parameters.PushBack((uint8_t)menuState);
 973
 974   return Transmit(command, false, bIsReply);
 975 }
 976
 977 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 978 {
 979   cec_command command;
 980   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 981   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 982     command.parameters.PushBack(strDeviceName.at(iPtr));
 983
 984   return Transmit(command, false, bIsReply);
 985 }
 986
 987 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
 988 {
 989   cec_command command;
 990   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 991   command.parameters.PushBack((uint8_t)duration);
 992
 993   size_t iLen = strlen(strMessage);
 994   if (iLen > 13) iLen = 13;
 995
 996   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 997     command.parameters.PushBack(strMessage[iPtr]);
 998
 999   return Transmit(command, false, bIsReply);
1000 }
1001
1002 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
1003 {
1004   cec_command command;
1005   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
1006   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
1007   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
1008   command.parameters.PushBack((uint8_t) (type));
1009
1010   return Transmit(command, false, bIsReply);
1011 }
1012
1013 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
1014 {
1015   cec_command command;
1016   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1017   command.parameters.PushBack((uint8_t) lang[0]);
1018   command.parameters.PushBack((uint8_t) lang[1]);
1019   command.parameters.PushBack((uint8_t) lang[2]);
1020
1021   return Transmit(command, false, bIsReply);
1022 }
1023
1024 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1025 {
1026   cec_command command;
1027   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1028
1029   return Transmit(command, false, bIsReply);
1030 }
1031
1032 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1033 {
1034   cec_command command;
1035   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1036   command.parameters.PushBack((uint8_t) state);
1037
1038   return Transmit(command, false, bIsReply);
1039 }
1040
1041 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
1042 {
1043   cec_command command;
1044   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1045
1046   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1047   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1048   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1049
1050   return Transmit(command, false, bIsReply);
1051 }
1052
1053 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1054 {
1055   cec_command command;
1056   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1057   command.parameters.PushBack(state);
1058
1059   return Transmit(command, false, bIsReply);
1060 }
1061
1062 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1063 {
1064   cec_command command;
1065   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1066   command.parameters.PushBack((uint8_t)state);
1067
1068   return Transmit(command, false, bIsReply);
1069 }
1070
1071 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1072 {
1073   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1074   {
1075     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1076     return false;
1077   }
1078   cec_command command;
1079   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1080   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1081   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1082
1083   return Transmit(command, false, bIsReply);
1084 }
1085
1086 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1087 {
1088   cec_command command;
1089   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1090   command.parameters.PushBack((uint8_t)state);
1091
1092   return Transmit(command, false, bIsReply);
1093 }
1094
1095 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1096 {
1097   cec_command command;
1098   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1099   command.PushBack((uint8_t)state);
1100
1101   return Transmit(command, false, bIsReply);
1102 }
1103
1104 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1105 {
1106   cec_command command;
1107   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1108   command.parameters.PushBack((uint8_t)key);
1109
1110   return Transmit(command, !bWait, false);
1111 }
1112
1113 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1114 {
1115   cec_command command;
1116   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1117
1118   return Transmit(command, !bWait, false);
1119 }
1120
1121 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1122 {
1123   bool bReturn(false);
1124   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1125   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1126   command.transmit_timeout = m_iTransmitTimeout;
1127
1128   if (command.initiator == CECDEVICE_UNKNOWN)
1129   {
1130     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1131     return bReturn;
1132   }
1133
1134   // check whether the destination is not marked as not present or handled by libCEC
1135   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1136   {
1137     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1138     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1139     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1140     {
1141       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1142       return bReturn;
1143     }
1144     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1145     {
1146       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1147       return bReturn;
1148     }
1149     else if (destinationDevice->IsUnsupportedFeature(command.opcode))
1150     {
1151       return true;
1152     }
1153   }
1154
1155   {
1156     uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
1157     while (!bReturn && ++iTries <= iMaxTries)
1158     {
1159       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1160       {
1161 #ifdef CEC_DEBUGGING
1162         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1163 #endif
1164         if (bExpectResponse)
1165         {
1166           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1167           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1168         }
1169       }
1170     }
1171   }
1172
1173   return bReturn;
1174 }
1175
1176 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1177 {
1178   if (m_busDevice->IsActiveSource() &&
1179       m_busDevice->IsHandledByLibCEC())
1180   {
1181     {
1182       CLockObject lock(m_mutex);
1183       // check if we need to send a delayed source switch
1184       if (bTransmitDelayedCommandsOnly)
1185       {
1186         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1187           return false;
1188
1189 #ifdef CEC_DEBUGGING
1190         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1191 #endif
1192       }
1193     }
1194
1195     // update the power state and menu state
1196     if (!bTransmitDelayedCommandsOnly)
1197     {
1198       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1199       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1200     }
1201
1202     // vendor specific hook
1203     VendorPreActivateSourceHook();
1204
1205     // power on the TV
1206     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1207     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1208     bool bActiveSourceFailed(false);
1209     if (bTvPresent)
1210       bActiveSourceFailed = !tv->PowerOn(m_busDevice->GetLogicalAddress());
1211     else
1212       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1213
1214     // check if we're allowed to switch sources
1215     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1216     if (!bSourceSwitchAllowed)
1217       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1218
1219     // switch sources (if allowed)
1220     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1221     {
1222       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1223       if (bTvPresent && !bActiveSourceFailed)
1224         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1225
1226       // update the deck status for playback devices
1227       if (bTvPresent && !bActiveSourceFailed)
1228       {
1229         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1230         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1231           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1232       }
1233
1234       // update system audio mode for audiosystem devices
1235       if (bTvPresent && !bActiveSourceFailed)
1236       {
1237         CCECAudioSystem* audioDevice = m_busDevice->AsAudioSystem();
1238         if (audioDevice)
1239           bActiveSourceFailed = !audioDevice->TransmitSetSystemAudioMode(CECDEVICE_TV, false);
1240       }
1241     }
1242
1243     // retry later
1244     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1245     {
1246       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1247       int64_t now(GetTimeMs());
1248       CLockObject lock(m_mutex);
1249       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1250         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1251       return false;
1252     }
1253     else
1254     {
1255       CLockObject lock(m_mutex);
1256       // clear previous pending active source command
1257       m_iActiveSourcePending = 0;
1258     }
1259
1260     // mark the handler as initialised
1261     CLockObject lock(m_mutex);
1262     m_bHandlerInited = true;
1263   }
1264   return true;
1265 }
1266
1267 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1268 {
1269   CLockObject lock(m_mutex);
1270   m_iActiveSourcePending = GetTimeMs() + iDelay;
1271 }
1272
1273 void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
1274 {
1275   bool bInserted(false);
1276   map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
1277   if (it != m_logsRequested.end())
1278   {
1279     for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
1280     {
1281       // we already logged this one
1282       if ((*it2).parameters == command.parameters)
1283         return;
1284     }
1285
1286     it->second.push_back(command);
1287     bInserted = true;
1288   }
1289
1290   if (!bInserted)
1291   {
1292     vector<cec_command> commands;
1293     commands.push_back(command);
1294     m_logsRequested.insert(make_pair(command.opcode, commands));
1295   }
1296
1297   LIB_CEC->AddLog(CEC_LOG_NOTICE, "Unmapped code detected. Please send an email to support@pulse-eight.com with the following details, and if you pressed a key, tell us which one you pressed, and we'll add support for this it.\nCEC command: %s\nVendor ID: %s (%06x)", ToString(command).c_str(), ToString(m_vendorId), m_vendorId);
1298 }
1299