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 }
 761
 762 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 763 {
 764   size_t iReturn(0);
 765
 766   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 767   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 768   {
 769     if (addresses[iPtr])
 770     {
 771       devices.push_back(GetDevice((cec_logical_address) iPtr));
 772       ++iReturn;
 773     }
 774   }
 775
 776   return iReturn;
 777 }
 778
 779 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 780 {
 781   return m_processor->GetDevice(iLogicalAddress);
 782 }
 783
 784 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 785 {
 786   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 787 }
 788
 789 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 790 {
 791   bool bChanged(false);
 792   if (command.parameters.size < 3)
 793   {
 794     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 795     return bChanged;
 796   }
 797
 798   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 799                        ((uint64_t)command.parameters[1] << 8) +
 800                         (uint64_t)command.parameters[2];
 801
 802   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 803   if (device)
 804     bChanged = device->SetVendorId(iVendorId);
 805   return bChanged;
 806 }
 807
 808 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 809 {
 810   if (!m_processor->IsHandledByLibCEC(iAddress))
 811   {
 812     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 813     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 814
 815     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 816     if (device)
 817       device->SetPhysicalAddress(iNewAddress);
 818     else
 819       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 820
 821     /* another device reported the same physical address as ours */
 822     if (client)
 823     {
 824       libcec_parameter param;
 825       param.paramType = CEC_PARAMETER_TYPE_STRING;
 826       param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
 827       client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
 828       client->ResetPhysicalAddress();
 829     }
 830   }
 831   else
 832   {
 833     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);
 834   }
 835 }
 836
 837 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 838 {
 839   if (iDestination == CECDEVICE_TV)
 840     return TransmitImageViewOn(iInitiator, iDestination);
 841
 842   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 843     TransmitKeyRelease(iInitiator, iDestination);
 844 }
 845
 846 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 847 {
 848   cec_command command;
 849   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 850
 851   if (Transmit(command, false, false))
 852   {
 853     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 854     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 855       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 856     return true;
 857   }
 858   return false;
 859 }
 860
 861 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 862 {
 863   cec_command command;
 864   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 865
 866   return Transmit(command, false, false);
 867 }
 868
 869 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 870 {
 871   cec_command command;
 872   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 873
 874   return Transmit(command, !bWaitForResponse, false);
 875 }
 876
 877 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 878 {
 879   cec_command command;
 880   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 881
 882   return Transmit(command, !bWaitForResponse, false);
 883 }
 884
 885 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 886 {
 887   cec_command command;
 888   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 889
 890   return Transmit(command, !bWaitForResponse, false);
 891 }
 892
 893 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 894 {
 895   cec_command command;
 896   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 897
 898   return Transmit(command, !bWaitForResponse, false);
 899 }
 900
 901 bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 902 {
 903   cec_command command;
 904   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
 905
 906   return Transmit(command, !bWaitForResponse, false);
 907 }
 908
 909 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 910 {
 911   cec_command command;
 912   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 913
 914   return Transmit(command, !bWaitForResponse, false);
 915 }
 916
 917 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 918 {
 919   if (iDestination == CECDEVICE_TV)
 920   {
 921     int64_t now(GetTimeMs());
 922     if (now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 923       return true;
 924     m_iPowerStatusRequested = now;
 925   }
 926
 927   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 928
 929   cec_command command;
 930   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 931
 932   return Transmit(command, !bWaitForResponse, false);
 933 }
 934
 935 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 936 {
 937   cec_command command;
 938   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 939
 940   return Transmit(command, !bWaitForResponse, false);
 941 }
 942
 943 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 944 {
 945   cec_command command;
 946   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 947   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 948   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 949
 950   return Transmit(command, false, bIsReply);
 951 }
 952
 953 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 954 {
 955   cec_command command;
 956   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 957   command.parameters.PushBack((uint8_t)cecVersion);
 958
 959   return Transmit(command, false, bIsReply);
 960 }
 961
 962 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 963 {
 964   cec_command command;
 965   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 966   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 967   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 968
 969   return Transmit(command, false, false);
 970 }
 971
 972 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 973 {
 974   cec_command command;
 975   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 976   command.parameters.PushBack((uint8_t)menuState);
 977
 978   return Transmit(command, false, bIsReply);
 979 }
 980
 981 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 982 {
 983   cec_command command;
 984   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 985   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 986     command.parameters.PushBack(strDeviceName.at(iPtr));
 987
 988   return Transmit(command, false, bIsReply);
 989 }
 990
 991 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
 992 {
 993   cec_command command;
 994   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 995   command.parameters.PushBack((uint8_t)duration);
 996
 997   size_t iLen = strlen(strMessage);
 998   if (iLen > 13) iLen = 13;
 999
1000   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
1001     command.parameters.PushBack(strMessage[iPtr]);
1002
1003   return Transmit(command, false, bIsReply);
1004 }
1005
1006 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
1007 {
1008   cec_command command;
1009   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
1010   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
1011   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
1012   command.parameters.PushBack((uint8_t) (type));
1013
1014   return Transmit(command, false, bIsReply);
1015 }
1016
1017 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
1018 {
1019   cec_command command;
1020   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1021   command.parameters.PushBack((uint8_t) lang[0]);
1022   command.parameters.PushBack((uint8_t) lang[1]);
1023   command.parameters.PushBack((uint8_t) lang[2]);
1024
1025   return Transmit(command, false, bIsReply);
1026 }
1027
1028 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1029 {
1030   cec_command command;
1031   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1032
1033   return Transmit(command, false, bIsReply);
1034 }
1035
1036 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1037 {
1038   cec_command command;
1039   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1040   command.parameters.PushBack((uint8_t) state);
1041
1042   return Transmit(command, false, bIsReply);
1043 }
1044
1045 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
1046 {
1047   cec_command command;
1048   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1049
1050   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1051   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1052   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1053
1054   return Transmit(command, false, bIsReply);
1055 }
1056
1057 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1058 {
1059   cec_command command;
1060   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1061   command.parameters.PushBack(state);
1062
1063   return Transmit(command, false, bIsReply);
1064 }
1065
1066 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1067 {
1068   cec_command command;
1069   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1070   command.parameters.PushBack((uint8_t)state);
1071
1072   return Transmit(command, false, bIsReply);
1073 }
1074
1075 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1076 {
1077   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1078   {
1079     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1080     return false;
1081   }
1082   cec_command command;
1083   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1084   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1085   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1086
1087   return Transmit(command, false, bIsReply);
1088 }
1089
1090 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1091 {
1092   cec_command command;
1093   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1094   command.parameters.PushBack((uint8_t)state);
1095
1096   return Transmit(command, false, bIsReply);
1097 }
1098
1099 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1100 {
1101   cec_command command;
1102   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1103   command.PushBack((uint8_t)state);
1104
1105   return Transmit(command, false, bIsReply);
1106 }
1107
1108 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1109 {
1110   cec_command command;
1111   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1112   command.parameters.PushBack((uint8_t)key);
1113
1114   return Transmit(command, !bWait, false);
1115 }
1116
1117 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1118 {
1119   cec_command command;
1120   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1121
1122   return Transmit(command, !bWait, false);
1123 }
1124
1125 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1126 {
1127   bool bReturn(false);
1128   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1129   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1130   command.transmit_timeout = m_iTransmitTimeout;
1131
1132   if (command.initiator == CECDEVICE_UNKNOWN)
1133   {
1134     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1135     return bReturn;
1136   }
1137
1138   // check whether the destination is not marked as not present or handled by libCEC
1139   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1140   {
1141     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1142     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1143     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1144     {
1145       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1146       return bReturn;
1147     }
1148     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1149     {
1150       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1151       return bReturn;
1152     }
1153     else if (destinationDevice->IsUnsupportedFeature(command.opcode))
1154     {
1155       return true;
1156     }
1157   }
1158
1159   {
1160     uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
1161     while (!bReturn && ++iTries <= iMaxTries)
1162     {
1163       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1164       {
1165 #ifdef CEC_DEBUGGING
1166         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1167 #endif
1168         if (bExpectResponse)
1169         {
1170           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1171           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1172         }
1173       }
1174     }
1175   }
1176
1177   return bReturn;
1178 }
1179
1180 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1181 {
1182   if (m_busDevice->IsActiveSource() &&
1183       m_busDevice->IsHandledByLibCEC())
1184   {
1185     {
1186       CLockObject lock(m_mutex);
1187       // check if we need to send a delayed source switch
1188       if (bTransmitDelayedCommandsOnly)
1189       {
1190         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1191           return false;
1192
1193 #ifdef CEC_DEBUGGING
1194         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1195 #endif
1196       }
1197     }
1198
1199     // update the power state and menu state
1200     if (!bTransmitDelayedCommandsOnly)
1201     {
1202       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1203       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1204     }
1205
1206     // vendor specific hook
1207     VendorPreActivateSourceHook();
1208
1209     // power on the TV
1210     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1211     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1212     bool bActiveSourceFailed(false);
1213     if (bTvPresent)
1214       bActiveSourceFailed = !m_busDevice->TransmitImageViewOn();
1215     else
1216       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1217
1218     // check if we're allowed to switch sources
1219     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1220     if (!bSourceSwitchAllowed)
1221       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1222
1223     // switch sources (if allowed)
1224     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1225     {
1226       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1227       if (bTvPresent && !bActiveSourceFailed)
1228         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1229
1230       // update the deck status for playback devices
1231       if (bTvPresent && !bActiveSourceFailed)
1232       {
1233         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1234         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1235           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1236       }
1237     }
1238
1239     // retry later
1240     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1241     {
1242       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1243       int64_t now(GetTimeMs());
1244       CLockObject lock(m_mutex);
1245       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1246         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1247       return false;
1248     }
1249     else
1250     {
1251       CLockObject lock(m_mutex);
1252       // clear previous pending active source command
1253       m_iActiveSourcePending = 0;
1254     }
1255
1256     // mark the handler as initialised
1257     CLockObject lock(m_mutex);
1258     m_bHandlerInited = true;
1259   }
1260   return true;
1261 }
1262
1263 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1264 {
1265   CLockObject lock(m_mutex);
1266   m_iActiveSourcePending = GetTimeMs() + iDelay;
1267 }
1268
1269 void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
1270 {
1271   bool bInserted(false);
1272   map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
1273   if (it != m_logsRequested.end())
1274   {
1275     for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
1276     {
1277       // we already logged this one
1278       if ((*it2).parameters == command.parameters)
1279         return;
1280     }
1281
1282     it->second.push_back(command);
1283     bInserted = true;
1284   }
1285
1286   if (!bInserted)
1287   {
1288     vector<cec_command> commands;
1289     commands.push_back(command);
1290     m_logsRequested.insert(make_pair(command.opcode, commands));
1291   }
1292
1293   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);
1294 }
1295