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       {
 584         device->MarkAsActiveSource();
 585         device->TransmitActiveSource(true);
 586       }
 587       return COMMAND_HANDLED;
 588     }
 589   }
 590
 591   return CEC_ABORT_REASON_INVALID_OPERAND;
 592 }
 593
 594 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 595 {
 596   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 597   {
 598     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 599     if (device)
 600     {
 601       if (command.parameters.size >= 2)
 602       {
 603         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 604         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 605         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 606         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 607         if (newActiveDevice)
 608           newActiveDevice->MarkAsActiveSource();
 609         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 610           return COMMAND_HANDLED;
 611       }
 612       else
 613       {
 614         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 615         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 616           return COMMAND_HANDLED;
 617       }
 618     }
 619   }
 620
 621   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 622 }
 623
 624 int CCECCommandHandler::HandleStandby(const cec_command &command)
 625 {
 626   CCECBusDevice *device = GetDevice(command.initiator);
 627   if (device)
 628     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 629
 630   return COMMAND_HANDLED;
 631 }
 632
 633 int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 634 {
 635   if (command.parameters.size == 1)
 636   {
 637     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 638     if (device)
 639     {
 640       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 641       return COMMAND_HANDLED;
 642     }
 643   }
 644
 645   return CEC_ABORT_REASON_INVALID_OPERAND;
 646 }
 647
 648 int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 649 {
 650   if (command.parameters.size == 1)
 651   {
 652     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 653     if (device)
 654     {
 655       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 656       return COMMAND_HANDLED;
 657     }
 658   }
 659
 660   return CEC_ABORT_REASON_INVALID_OPERAND;
 661 }
 662
 663 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 664 {
 665   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 666   return COMMAND_HANDLED;
 667 }
 668
 669 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 670 {
 671   if (!m_processor->CECInitialised() ||
 672       !m_processor->IsHandledByLibCEC(command.destination))
 673     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 674
 675   if (command.parameters.size == 0)
 676     return CEC_ABORT_REASON_INVALID_OPERAND;
 677
 678   CCECBusDevice *device = GetDevice(command.destination);
 679   if (!device)
 680     return CEC_ABORT_REASON_INVALID_OPERAND;
 681
 682   CCECClient *client = device->GetClient();
 683   if (client)
 684     client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 685
 686   if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 687       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
 688       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 689   {
 690     bool bPowerOn(true);
 691
 692     // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
 693     // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 694     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 695         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 696     {
 697       cec_power_status status = device->GetCurrentPowerStatus();
 698       bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 699     }
 700
 701     if (bPowerOn)
 702     {
 703       device->ActivateSource();
 704     }
 705     else
 706     {
 707       device->MarkAsInactiveSource();
 708       device->TransmitInactiveSource();
 709       device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 710     }
 711   }
 712   else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
 713   {
 714     // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
 715     if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
 716       device->MarkAsActiveSource();
 717   }
 718
 719   return COMMAND_HANDLED;
 720 }
 721
 722 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 723 {
 724   if (!m_processor->CECInitialised() ||
 725       !m_processor->IsHandledByLibCEC(command.destination))
 726     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 727
 728   CCECClient *client = m_processor->GetClient(command.destination);
 729   if (client)
 730     client->AddKey();
 731
 732   return COMMAND_HANDLED;
 733 }
 734
 735 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 736 {
 737   return CEC_ABORT_REASON_INVALID_OPERAND;
 738 }
 739
 740 int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
 741 {
 742   if (command.parameters.size == 0)
 743     return CEC_ABORT_REASON_INVALID_OPERAND;
 744
 745   LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
 746   return COMMAND_HANDLED;
 747 }
 748
 749 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
 750 {
 751   if (m_processor->IsHandledByLibCEC(command.destination))
 752   {
 753     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
 754     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
 755
 756     if (reason == CEC_ABORT_REASON_INVALID_OPERAND)
 757       RequestEmailFromCustomer(command);
 758   }
 759 }
 760
 761 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 762 {
 763   size_t iReturn(0);
 764
 765   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 766   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 767   {
 768     if (addresses[iPtr])
 769     {
 770       devices.push_back(GetDevice((cec_logical_address) iPtr));
 771       ++iReturn;
 772     }
 773   }
 774
 775   return iReturn;
 776 }
 777
 778 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 779 {
 780   return m_processor->GetDevice(iLogicalAddress);
 781 }
 782
 783 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 784 {
 785   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 786 }
 787
 788 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 789 {
 790   bool bChanged(false);
 791   if (command.parameters.size < 3)
 792   {
 793     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 794     return bChanged;
 795   }
 796
 797   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 798                        ((uint64_t)command.parameters[1] << 8) +
 799                         (uint64_t)command.parameters[2];
 800
 801   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 802   if (device)
 803     bChanged = device->SetVendorId(iVendorId);
 804   return bChanged;
 805 }
 806
 807 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 808 {
 809   if (!m_processor->IsHandledByLibCEC(iAddress))
 810   {
 811     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 812     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 813
 814     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 815     if (device)
 816       device->SetPhysicalAddress(iNewAddress);
 817     else
 818       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 819
 820     /* another device reported the same physical address as ours */
 821     if (client)
 822     {
 823       libcec_parameter param;
 824       param.paramType = CEC_PARAMETER_TYPE_STRING;
 825       param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
 826       client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
 827       client->ResetPhysicalAddress();
 828     }
 829   }
 830   else
 831   {
 832     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);
 833   }
 834 }
 835
 836 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 837 {
 838   if (iDestination == CECDEVICE_TV)
 839     return TransmitImageViewOn(iInitiator, iDestination);
 840
 841   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 842     TransmitKeyRelease(iInitiator, iDestination);
 843 }
 844
 845 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 846 {
 847   cec_command command;
 848   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 849
 850   if (Transmit(command, false, false))
 851   {
 852     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 853     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 854       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 855     return true;
 856   }
 857   return false;
 858 }
 859
 860 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 861 {
 862   cec_command command;
 863   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 864
 865   return Transmit(command, false, false);
 866 }
 867
 868 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 869 {
 870   cec_command command;
 871   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 872
 873   return Transmit(command, !bWaitForResponse, false);
 874 }
 875
 876 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 877 {
 878   cec_command command;
 879   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 880
 881   return Transmit(command, !bWaitForResponse, false);
 882 }
 883
 884 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 885 {
 886   cec_command command;
 887   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 888
 889   return Transmit(command, !bWaitForResponse, false);
 890 }
 891
 892 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 893 {
 894   cec_command command;
 895   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 896
 897   return Transmit(command, !bWaitForResponse, false);
 898 }
 899
 900 bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 901 {
 902   cec_command command;
 903   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
 904
 905   return Transmit(command, !bWaitForResponse, false);
 906 }
 907
 908 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 909 {
 910   cec_command command;
 911   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 912
 913   return Transmit(command, !bWaitForResponse, false);
 914 }
 915
 916 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bUpdate, bool bWaitForResponse /* = true */)
 917 {
 918   if (iDestination == CECDEVICE_TV)
 919   {
 920     int64_t now(GetTimeMs());
 921     if (!bUpdate && now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 922       return true;
 923     m_iPowerStatusRequested = now;
 924   }
 925
 926   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 927
 928   cec_command command;
 929   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 930
 931   return Transmit(command, !bWaitForResponse, false);
 932 }
 933
 934 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 935 {
 936   cec_command command;
 937   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 938
 939   return Transmit(command, !bWaitForResponse, false);
 940 }
 941
 942 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 943 {
 944   cec_command command;
 945   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 946   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 947   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 948
 949   return Transmit(command, false, bIsReply);
 950 }
 951
 952 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 953 {
 954   cec_command command;
 955   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 956   command.parameters.PushBack((uint8_t)cecVersion);
 957
 958   return Transmit(command, false, bIsReply);
 959 }
 960
 961 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 962 {
 963   cec_command command;
 964   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 965   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 966   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 967
 968   return Transmit(command, false, false);
 969 }
 970
 971 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 972 {
 973   cec_command command;
 974   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 975   command.parameters.PushBack((uint8_t)menuState);
 976
 977   return Transmit(command, false, bIsReply);
 978 }
 979
 980 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 981 {
 982   cec_command command;
 983   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 984   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 985     command.parameters.PushBack(strDeviceName.at(iPtr));
 986
 987   return Transmit(command, false, bIsReply);
 988 }
 989
 990 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
 991 {
 992   cec_command command;
 993   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 994   command.parameters.PushBack((uint8_t)duration);
 995
 996   size_t iLen = strlen(strMessage);
 997   if (iLen > 13) iLen = 13;
 998
 999   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
1000     command.parameters.PushBack(strMessage[iPtr]);
1001
1002   return Transmit(command, false, bIsReply);
1003 }
1004
1005 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
1006 {
1007   cec_command command;
1008   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
1009   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
1010   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
1011   command.parameters.PushBack((uint8_t) (type));
1012
1013   return Transmit(command, false, bIsReply);
1014 }
1015
1016 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
1017 {
1018   cec_command command;
1019   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1020   command.parameters.PushBack((uint8_t) lang[0]);
1021   command.parameters.PushBack((uint8_t) lang[1]);
1022   command.parameters.PushBack((uint8_t) lang[2]);
1023
1024   return Transmit(command, false, bIsReply);
1025 }
1026
1027 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1028 {
1029   cec_command command;
1030   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1031
1032   return Transmit(command, false, bIsReply);
1033 }
1034
1035 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1036 {
1037   cec_command command;
1038   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1039   command.parameters.PushBack((uint8_t) state);
1040
1041   return Transmit(command, false, bIsReply);
1042 }
1043
1044 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
1045 {
1046   cec_command command;
1047   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1048
1049   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1050   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1051   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1052
1053   return Transmit(command, false, bIsReply);
1054 }
1055
1056 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1057 {
1058   cec_command command;
1059   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1060   command.parameters.PushBack(state);
1061
1062   return Transmit(command, false, bIsReply);
1063 }
1064
1065 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1066 {
1067   cec_command command;
1068   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1069   command.parameters.PushBack((uint8_t)state);
1070
1071   return Transmit(command, false, bIsReply);
1072 }
1073
1074 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1075 {
1076   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1077   {
1078     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1079     return false;
1080   }
1081   cec_command command;
1082   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1083   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1084   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1085
1086   return Transmit(command, false, bIsReply);
1087 }
1088
1089 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1090 {
1091   cec_command command;
1092   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1093   command.parameters.PushBack((uint8_t)state);
1094
1095   return Transmit(command, false, bIsReply);
1096 }
1097
1098 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1099 {
1100   cec_command command;
1101   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1102   command.PushBack((uint8_t)state);
1103
1104   return Transmit(command, false, bIsReply);
1105 }
1106
1107 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1108 {
1109   cec_command command;
1110   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1111   command.parameters.PushBack((uint8_t)key);
1112
1113   return Transmit(command, !bWait, false);
1114 }
1115
1116 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1117 {
1118   cec_command command;
1119   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1120
1121   return Transmit(command, !bWait, false);
1122 }
1123
1124 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1125 {
1126   bool bReturn(false);
1127   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1128   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1129   command.transmit_timeout = m_iTransmitTimeout;
1130
1131   if (command.initiator == CECDEVICE_UNKNOWN)
1132   {
1133     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1134     return bReturn;
1135   }
1136
1137   // check whether the destination is not marked as not present or handled by libCEC
1138   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1139   {
1140     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1141     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1142     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1143     {
1144       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1145       return bReturn;
1146     }
1147     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1148     {
1149       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1150       return bReturn;
1151     }
1152     else if (destinationDevice->IsUnsupportedFeature(command.opcode))
1153     {
1154       return true;
1155     }
1156   }
1157
1158   {
1159     uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
1160     while (!bReturn && ++iTries <= iMaxTries)
1161     {
1162       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1163       {
1164 #ifdef CEC_DEBUGGING
1165         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1166 #endif
1167         if (bExpectResponse)
1168         {
1169           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1170           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1171         }
1172       }
1173     }
1174   }
1175
1176   return bReturn;
1177 }
1178
1179 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1180 {
1181   if (m_busDevice->IsActiveSource() &&
1182       m_busDevice->IsHandledByLibCEC())
1183   {
1184     {
1185       CLockObject lock(m_mutex);
1186       // check if we need to send a delayed source switch
1187       if (bTransmitDelayedCommandsOnly)
1188       {
1189         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1190           return false;
1191
1192 #ifdef CEC_DEBUGGING
1193         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1194 #endif
1195       }
1196     }
1197
1198     // update the power state and menu state
1199     if (!bTransmitDelayedCommandsOnly)
1200     {
1201       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1202       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1203     }
1204
1205     // vendor specific hook
1206     VendorPreActivateSourceHook();
1207
1208     // power on the TV
1209     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1210     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1211     bool bActiveSourceFailed(false);
1212     if (bTvPresent)
1213       bActiveSourceFailed = !tv->PowerOn(m_busDevice->GetLogicalAddress());
1214     else
1215       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1216
1217     // check if we're allowed to switch sources
1218     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1219     if (!bSourceSwitchAllowed)
1220       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1221
1222     // switch sources (if allowed)
1223     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1224     {
1225       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1226       if (bTvPresent && !bActiveSourceFailed)
1227         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1228
1229       // update the deck status for playback devices
1230       if (bTvPresent && !bActiveSourceFailed)
1231       {
1232         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1233         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1234           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1235       }
1236
1237       // update system audio mode for audiosystem devices
1238       if (bTvPresent && !bActiveSourceFailed)
1239       {
1240         CCECAudioSystem* audioDevice = m_busDevice->AsAudioSystem();
1241         if (audioDevice)
1242           bActiveSourceFailed = !audioDevice->TransmitSetSystemAudioMode(CECDEVICE_TV, false);
1243       }
1244     }
1245
1246     // retry later
1247     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1248     {
1249       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1250       int64_t now(GetTimeMs());
1251       CLockObject lock(m_mutex);
1252       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1253         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1254       return false;
1255     }
1256     else
1257     {
1258       CLockObject lock(m_mutex);
1259       // clear previous pending active source command
1260       m_iActiveSourcePending = 0;
1261     }
1262
1263     // mark the handler as initialised
1264     CLockObject lock(m_mutex);
1265     m_bHandlerInited = true;
1266   }
1267   return true;
1268 }
1269
1270 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1271 {
1272   CLockObject lock(m_mutex);
1273   m_iActiveSourcePending = GetTimeMs() + iDelay;
1274 }
1275
1276 void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
1277 {
1278   bool bInserted(false);
1279   map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
1280   if (it != m_logsRequested.end())
1281   {
1282     for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
1283     {
1284       // we already logged this one
1285       if ((*it2).parameters == command.parameters)
1286         return;
1287     }
1288
1289     it->second.push_back(command);
1290     bInserted = true;
1291   }
1292
1293   if (!bInserted)
1294   {
1295     vector<cec_command> commands;
1296     commands.push_back(command);
1297     m_logsRequested.insert(make_pair(command.opcode, commands));
1298   }
1299
1300   LIB_CEC->AddLog(CEC_LOG_NOTICE, "Unmapped code detected. Please send an email to support@pulse-eight.com with the following details, and if you pressed a key, tell us which one you pressed, and we'll add support for this it.\nCEC command: %s\nVendor ID: %s (%06x)", ToString(command).c_str(), ToString(m_vendorId), m_vendorId);
1301 }
1302