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
 459     if (command.initiator == CECDEVICE_TV)
 460     {
 461       CCECBusDevice* primary = m_processor->GetPrimaryDevice();
 462       if (primary)
 463         primary->TransmitPhysicalAddress(false);
 464     }
 465     return COMMAND_HANDLED;
 466   }
 467   return CEC_ABORT_REASON_INVALID_OPERAND;
 468 }
 469
 470 int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 471 {
 472   if (command.parameters.size == 1)
 473   {
 474     CCECBusDevice *device = GetDevice(command.initiator);
 475     if (device)
 476     {
 477       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 478       return COMMAND_HANDLED;
 479     }
 480   }
 481   return CEC_ABORT_REASON_INVALID_OPERAND;
 482 }
 483
 484 int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 485 {
 486   if (m_processor->CECInitialised())
 487   {
 488     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 489     m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 490
 491     vector<CCECBusDevice *> devices;
 492     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 493       devices[iDevicePtr]->TransmitActiveSource(true);
 494   }
 495
 496   return COMMAND_HANDLED;
 497 }
 498
 499 int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 500 {
 501   if (command.parameters.size == 4)
 502   {
 503     CCECBusDevice *device = GetDevice(command.initiator);
 504     if (device)
 505     {
 506       uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 507       device->SetActiveRoute(iNewAddress);
 508       return COMMAND_HANDLED;
 509     }
 510   }
 511
 512   return CEC_ABORT_REASON_INVALID_OPERAND;
 513 }
 514
 515 int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 516 {
 517   if (command.parameters.size == 2)
 518   {
 519     CCECBusDevice *device = GetDevice(command.initiator);
 520     if (device)
 521     {
 522       uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 523       device->SetActiveRoute(iNewAddress);
 524       return COMMAND_HANDLED;
 525     }
 526   }
 527
 528   return CEC_ABORT_REASON_INVALID_OPERAND;
 529 }
 530
 531 int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 532 {
 533   if (command.parameters.size == 3)
 534   {
 535     CCECBusDevice *device = GetDevice(command.initiator);
 536     if (device)
 537     {
 538       cec_menu_language language;
 539       language.device = command.initiator;
 540       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 541         language.language[iPtr] = command.parameters[iPtr];
 542       language.language[3] = 0;
 543       device->SetMenuLanguage(language);
 544       return COMMAND_HANDLED;
 545     }
 546   }
 547
 548   return CEC_ABORT_REASON_INVALID_OPERAND;
 549 }
 550
 551 int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 552 {
 553   if (command.parameters.size > 0)
 554   {
 555     CCECBusDevice *device = GetDevice(command.initiator);
 556     if (device)
 557     {
 558       char buf[1024];
 559       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 560         buf[iPtr] = (char)command.parameters[iPtr];
 561       buf[command.parameters.size] = 0;
 562
 563       CStdString strName(buf);
 564       device->SetOSDName(strName);
 565
 566       return COMMAND_HANDLED;
 567     }
 568   }
 569
 570   return CEC_ABORT_REASON_INVALID_OPERAND;
 571 }
 572
 573 int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 574 {
 575   if (!m_processor->CECInitialised())
 576     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 577
 578   if (command.parameters.size >= 2)
 579   {
 580     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 581     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
 582
 583     /* one of the device handled by libCEC has been made active */
 584     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 585     if (device)
 586     {
 587       if (device->IsHandledByLibCEC() && !device->IsActiveSource())
 588         device->ActivateSource();
 589       else
 590       {
 591         device->MarkAsActiveSource();
 592         device->TransmitActiveSource(true);
 593       }
 594       return COMMAND_HANDLED;
 595     }
 596   }
 597
 598   return CEC_ABORT_REASON_INVALID_OPERAND;
 599 }
 600
 601 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 602 {
 603   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 604   {
 605     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 606     if (device)
 607     {
 608       if (command.parameters.size >= 2)
 609       {
 610         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 611         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 612         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 613         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 614         if (newActiveDevice)
 615           newActiveDevice->MarkAsActiveSource();
 616         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 617           return COMMAND_HANDLED;
 618       }
 619       else
 620       {
 621         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 622         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 623           return COMMAND_HANDLED;
 624       }
 625     }
 626   }
 627
 628   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 629 }
 630
 631 int CCECCommandHandler::HandleStandby(const cec_command &command)
 632 {
 633   CCECBusDevice *device = GetDevice(command.initiator);
 634   if (device)
 635     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 636
 637   return COMMAND_HANDLED;
 638 }
 639
 640 int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 641 {
 642   if (command.parameters.size == 1)
 643   {
 644     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 645     if (device)
 646     {
 647       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 648       return COMMAND_HANDLED;
 649     }
 650   }
 651
 652   return CEC_ABORT_REASON_INVALID_OPERAND;
 653 }
 654
 655 int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 656 {
 657   if (command.parameters.size == 1)
 658   {
 659     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 660     if (device)
 661     {
 662       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 663       return COMMAND_HANDLED;
 664     }
 665   }
 666
 667   return CEC_ABORT_REASON_INVALID_OPERAND;
 668 }
 669
 670 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 671 {
 672   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 673   return COMMAND_HANDLED;
 674 }
 675
 676 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 677 {
 678   if (!m_processor->CECInitialised() ||
 679       !m_processor->IsHandledByLibCEC(command.destination))
 680     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 681
 682   if (command.parameters.size == 0)
 683     return CEC_ABORT_REASON_INVALID_OPERAND;
 684
 685   CCECBusDevice *device = GetDevice(command.destination);
 686   if (!device)
 687     return CEC_ABORT_REASON_INVALID_OPERAND;
 688
 689   CCECClient *client = device->GetClient();
 690   if (client)
 691     client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 692
 693   if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 694       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
 695       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 696   {
 697     bool bPowerOn(true);
 698
 699     // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
 700     // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 701     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 702         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 703     {
 704       cec_power_status status = device->GetCurrentPowerStatus();
 705       bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 706     }
 707
 708     if (bPowerOn)
 709     {
 710       device->ActivateSource();
 711     }
 712     else
 713     {
 714       device->MarkAsInactiveSource();
 715       device->TransmitInactiveSource();
 716       device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 717     }
 718   }
 719   else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
 720   {
 721     // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
 722     if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
 723       device->MarkAsActiveSource();
 724   }
 725
 726   return COMMAND_HANDLED;
 727 }
 728
 729 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 730 {
 731   if (!m_processor->CECInitialised() ||
 732       !m_processor->IsHandledByLibCEC(command.destination))
 733     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 734
 735   CCECClient *client = m_processor->GetClient(command.destination);
 736   if (client)
 737     client->AddKey();
 738
 739   return COMMAND_HANDLED;
 740 }
 741
 742 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 743 {
 744   return CEC_ABORT_REASON_INVALID_OPERAND;
 745 }
 746
 747 int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
 748 {
 749   if (command.parameters.size == 0)
 750     return CEC_ABORT_REASON_INVALID_OPERAND;
 751
 752   LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
 753   return COMMAND_HANDLED;
 754 }
 755
 756 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
 757 {
 758   if (m_processor->IsHandledByLibCEC(command.destination))
 759   {
 760     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
 761     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
 762
 763     if (reason == CEC_ABORT_REASON_INVALID_OPERAND)
 764       RequestEmailFromCustomer(command);
 765   }
 766 }
 767
 768 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 769 {
 770   size_t iReturn(0);
 771
 772   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 773   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 774   {
 775     if (addresses[iPtr])
 776     {
 777       devices.push_back(GetDevice((cec_logical_address) iPtr));
 778       ++iReturn;
 779     }
 780   }
 781
 782   return iReturn;
 783 }
 784
 785 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 786 {
 787   return m_processor->GetDevice(iLogicalAddress);
 788 }
 789
 790 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 791 {
 792   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 793 }
 794
 795 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 796 {
 797   bool bChanged(false);
 798   if (command.parameters.size < 3)
 799   {
 800     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 801     return bChanged;
 802   }
 803
 804   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 805                        ((uint64_t)command.parameters[1] << 8) +
 806                         (uint64_t)command.parameters[2];
 807
 808   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 809   if (device)
 810     bChanged = device->SetVendorId(iVendorId);
 811   return bChanged;
 812 }
 813
 814 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 815 {
 816   if (!m_processor->IsHandledByLibCEC(iAddress))
 817   {
 818     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 819     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 820
 821     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 822     if (device)
 823       device->SetPhysicalAddress(iNewAddress);
 824     else
 825       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 826
 827     /* another device reported the same physical address as ours */
 828     if (client)
 829     {
 830       libcec_parameter param;
 831       param.paramType = CEC_PARAMETER_TYPE_STRING;
 832       param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
 833       client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
 834       client->ResetPhysicalAddress();
 835     }
 836   }
 837   else
 838   {
 839     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);
 840   }
 841 }
 842
 843 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 844 {
 845   if (iDestination == CECDEVICE_TV)
 846     return TransmitImageViewOn(iInitiator, iDestination);
 847
 848   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 849     TransmitKeyRelease(iInitiator, iDestination);
 850 }
 851
 852 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 853 {
 854   cec_command command;
 855   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 856
 857   if (Transmit(command, false, false))
 858   {
 859     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 860     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 861       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 862     return true;
 863   }
 864   return false;
 865 }
 866
 867 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 868 {
 869   cec_command command;
 870   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 871
 872   return Transmit(command, false, false);
 873 }
 874
 875 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 876 {
 877   cec_command command;
 878   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 879
 880   return Transmit(command, !bWaitForResponse, false);
 881 }
 882
 883 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 884 {
 885   cec_command command;
 886   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 887
 888   return Transmit(command, !bWaitForResponse, false);
 889 }
 890
 891 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 892 {
 893   cec_command command;
 894   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 895
 896   return Transmit(command, !bWaitForResponse, false);
 897 }
 898
 899 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 900 {
 901   cec_command command;
 902   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 903
 904   return Transmit(command, !bWaitForResponse, false);
 905 }
 906
 907 bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 908 {
 909   cec_command command;
 910   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
 911
 912   return Transmit(command, !bWaitForResponse, false);
 913 }
 914
 915 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 916 {
 917   cec_command command;
 918   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 919
 920   return Transmit(command, !bWaitForResponse, false);
 921 }
 922
 923 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bUpdate, bool bWaitForResponse /* = true */)
 924 {
 925   if (iDestination == CECDEVICE_TV)
 926   {
 927     int64_t now(GetTimeMs());
 928     if (!bUpdate && now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 929       return true;
 930     m_iPowerStatusRequested = now;
 931   }
 932
 933   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 934
 935   cec_command command;
 936   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 937
 938   return Transmit(command, !bWaitForResponse, false);
 939 }
 940
 941 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 942 {
 943   cec_command command;
 944   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 945
 946   return Transmit(command, !bWaitForResponse, false);
 947 }
 948
 949 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 950 {
 951   cec_command command;
 952   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 953   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 954   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 955
 956   return Transmit(command, false, bIsReply);
 957 }
 958
 959 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 960 {
 961   cec_command command;
 962   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 963   command.parameters.PushBack((uint8_t)cecVersion);
 964
 965   return Transmit(command, false, bIsReply);
 966 }
 967
 968 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 969 {
 970   cec_command command;
 971   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 972   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 973   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 974
 975   return Transmit(command, false, false);
 976 }
 977
 978 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 979 {
 980   cec_command command;
 981   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 982   command.parameters.PushBack((uint8_t)menuState);
 983
 984   return Transmit(command, false, bIsReply);
 985 }
 986
 987 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 988 {
 989   cec_command command;
 990   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 991   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 992     command.parameters.PushBack(strDeviceName.at(iPtr));
 993
 994   return Transmit(command, false, bIsReply);
 995 }
 996
 997 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
 998 {
 999   cec_command command;
1000   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
1001   command.parameters.PushBack((uint8_t)duration);
1002
1003   size_t iLen = strlen(strMessage);
1004   if (iLen > 13) iLen = 13;
1005
1006   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
1007     command.parameters.PushBack(strMessage[iPtr]);
1008
1009   return Transmit(command, false, bIsReply);
1010 }
1011
1012 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
1013 {
1014   cec_command command;
1015   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
1016   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
1017   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
1018   command.parameters.PushBack((uint8_t) (type));
1019
1020   return Transmit(command, false, bIsReply);
1021 }
1022
1023 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
1024 {
1025   cec_command command;
1026   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1027   command.parameters.PushBack((uint8_t) lang[0]);
1028   command.parameters.PushBack((uint8_t) lang[1]);
1029   command.parameters.PushBack((uint8_t) lang[2]);
1030
1031   return Transmit(command, false, bIsReply);
1032 }
1033
1034 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1035 {
1036   cec_command command;
1037   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1038
1039   return Transmit(command, false, bIsReply);
1040 }
1041
1042 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1043 {
1044   cec_command command;
1045   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1046   command.parameters.PushBack((uint8_t) state);
1047
1048   return Transmit(command, false, bIsReply);
1049 }
1050
1051 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
1052 {
1053   cec_command command;
1054   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1055
1056   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1057   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1058   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1059
1060   return Transmit(command, false, bIsReply);
1061 }
1062
1063 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1064 {
1065   cec_command command;
1066   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1067   command.parameters.PushBack(state);
1068
1069   return Transmit(command, false, bIsReply);
1070 }
1071
1072 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1073 {
1074   cec_command command;
1075   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1076   command.parameters.PushBack((uint8_t)state);
1077
1078   return Transmit(command, false, bIsReply);
1079 }
1080
1081 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1082 {
1083   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1084   {
1085     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1086     return false;
1087   }
1088   cec_command command;
1089   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1090   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1091   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1092
1093   return Transmit(command, false, bIsReply);
1094 }
1095
1096 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1097 {
1098   cec_command command;
1099   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1100   command.parameters.PushBack((uint8_t)state);
1101
1102   return Transmit(command, false, bIsReply);
1103 }
1104
1105 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1106 {
1107   cec_command command;
1108   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1109   command.PushBack((uint8_t)state);
1110
1111   return Transmit(command, false, bIsReply);
1112 }
1113
1114 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1115 {
1116   cec_command command;
1117   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1118   command.parameters.PushBack((uint8_t)key);
1119
1120   return Transmit(command, !bWait, false);
1121 }
1122
1123 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1124 {
1125   cec_command command;
1126   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1127
1128   return Transmit(command, !bWait, false);
1129 }
1130
1131 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1132 {
1133   bool bReturn(false);
1134   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1135   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1136   command.transmit_timeout = m_iTransmitTimeout;
1137
1138   if (command.initiator == CECDEVICE_UNKNOWN)
1139   {
1140     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1141     return bReturn;
1142   }
1143
1144   // check whether the destination is not marked as not present or handled by libCEC
1145   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1146   {
1147     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1148     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1149     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1150     {
1151       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1152       return bReturn;
1153     }
1154     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1155     {
1156       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1157       return bReturn;
1158     }
1159     else if (destinationDevice->IsUnsupportedFeature(command.opcode))
1160     {
1161       return true;
1162     }
1163   }
1164
1165   {
1166     uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
1167     while (!bReturn && ++iTries <= iMaxTries)
1168     {
1169       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1170       {
1171 #ifdef CEC_DEBUGGING
1172         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1173 #endif
1174         if (bExpectResponse)
1175         {
1176           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1177           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1178         }
1179       }
1180     }
1181   }
1182
1183   return bReturn;
1184 }
1185
1186 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1187 {
1188   if (m_busDevice->IsActiveSource() &&
1189       m_busDevice->IsHandledByLibCEC())
1190   {
1191     {
1192       CLockObject lock(m_mutex);
1193       // check if we need to send a delayed source switch
1194       if (bTransmitDelayedCommandsOnly)
1195       {
1196         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1197           return false;
1198
1199 #ifdef CEC_DEBUGGING
1200         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1201 #endif
1202       }
1203     }
1204
1205     // update the power state and menu state
1206     if (!bTransmitDelayedCommandsOnly)
1207     {
1208       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1209       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1210     }
1211
1212     // vendor specific hook
1213     VendorPreActivateSourceHook();
1214
1215     // power on the TV
1216     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1217     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1218     bool bActiveSourceFailed(false);
1219     if (bTvPresent)
1220       bActiveSourceFailed = !tv->PowerOn(m_busDevice->GetLogicalAddress());
1221     else
1222       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1223
1224     // check if we're allowed to switch sources
1225     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1226     if (!bSourceSwitchAllowed)
1227       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1228
1229     // switch sources (if allowed)
1230     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1231     {
1232       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1233       if (bTvPresent && !bActiveSourceFailed)
1234         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1235
1236       // update the deck status for playback devices
1237       if (bTvPresent && !bActiveSourceFailed)
1238       {
1239         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1240         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1241           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1242       }
1243
1244       // update system audio mode for audiosystem devices
1245       if (bTvPresent && !bActiveSourceFailed)
1246       {
1247         CCECAudioSystem* audioDevice = m_busDevice->AsAudioSystem();
1248         if (audioDevice)
1249           bActiveSourceFailed = !audioDevice->TransmitSetSystemAudioMode(CECDEVICE_TV, false);
1250       }
1251     }
1252
1253     // retry later
1254     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1255     {
1256       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1257       int64_t now(GetTimeMs());
1258       CLockObject lock(m_mutex);
1259       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1260         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1261       return false;
1262     }
1263     else
1264     {
1265       CLockObject lock(m_mutex);
1266       // clear previous pending active source command
1267       m_iActiveSourcePending = 0;
1268     }
1269
1270     // mark the handler as initialised
1271     CLockObject lock(m_mutex);
1272     m_bHandlerInited = true;
1273   }
1274   return true;
1275 }
1276
1277 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1278 {
1279   CLockObject lock(m_mutex);
1280   m_iActiveSourcePending = GetTimeMs() + iDelay;
1281 }
1282
1283 void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
1284 {
1285   bool bInserted(false);
1286   map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
1287   if (it != m_logsRequested.end())
1288   {
1289     for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
1290     {
1291       // we already logged this one
1292       if ((*it2).parameters == command.parameters)
1293         return;
1294     }
1295
1296     it->second.push_back(command);
1297     bInserted = true;
1298   }
1299
1300   if (!bInserted)
1301   {
1302     vector<cec_command> commands;
1303     commands.push_back(command);
1304     m_logsRequested.insert(make_pair(command.opcode, commands));
1305   }
1306
1307   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);
1308 }
1309