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