src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 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     m_processor->GetDevices()->SetActiveSource(iAddress);
 213     CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iAddress);
 214     if (device)
 215       device->MarkAsActiveSource();
 216
 217     m_processor->GetDevices()->SignalAll(command.opcode);
 218     return COMMAND_HANDLED;
 219   }
 220
 221   return CEC_ABORT_REASON_INVALID_OPERAND;
 222 }
 223
 224 int CCECCommandHandler::HandleDeckControl(const cec_command &command)
 225 {
 226   CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 227   if (device && command.parameters.size > 0)
 228   {
 229     device->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 230     return COMMAND_HANDLED;
 231   }
 232
 233   return CEC_ABORT_REASON_INVALID_OPERAND;
 234 }
 235
 236 int CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 237 {
 238   if (command.parameters.size == 1)
 239   {
 240     CCECBusDevice *device = GetDevice(command.initiator);
 241     if (device)
 242       device->SetCecVersion((cec_version) command.parameters[0]);
 243
 244     return COMMAND_HANDLED;
 245   }
 246
 247   return CEC_ABORT_REASON_INVALID_OPERAND;
 248 }
 249
 250 int CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command & UNUSED(command))
 251 {
 252   return CEC_ABORT_REASON_INVALID_OPERAND;
 253 }
 254
 255 int CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 256 {
 257   SetVendorId(command);
 258   return COMMAND_HANDLED;
 259 }
 260
 261 int CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 262 {
 263   if (command.parameters.size == 2 &&
 264         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 265          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 266     m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 267   return COMMAND_HANDLED;
 268 }
 269
 270 int CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 271 {
 272   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 273   {
 274     CCECBusDevice *device = GetDevice(command.destination);
 275     if (device && device->TransmitCECVersion(command.initiator, true))
 276       return COMMAND_HANDLED;
 277     return CEC_ABORT_REASON_INVALID_OPERAND;
 278   }
 279
 280   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 281 }
 282
 283 int CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 284 {
 285   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 286   {
 287     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 288     if (device && device->TransmitAudioStatus(command.initiator, true))
 289       return COMMAND_HANDLED;
 290     return CEC_ABORT_REASON_INVALID_OPERAND;
 291   }
 292
 293   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 294 }
 295
 296 int CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 297 {
 298   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 299   {
 300     CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 301     if (device && device->TransmitDeckStatus(command.initiator, true))
 302       return COMMAND_HANDLED;
 303     return CEC_ABORT_REASON_INVALID_OPERAND;
 304   }
 305
 306   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 307 }
 308
 309 int CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 310 {
 311   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 312   {
 313     CCECBusDevice *device = GetDevice(command.destination);
 314     if (device && device->TransmitPowerState(command.initiator, true))
 315       return COMMAND_HANDLED;
 316     return CEC_ABORT_REASON_INVALID_OPERAND;
 317   }
 318
 319   return CEC_ABORT_REASON_INVALID_OPERAND;
 320 }
 321
 322 int CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 323 {
 324   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 325   {
 326     CCECBusDevice *device = GetDevice(command.destination);
 327     if (device && device->TransmitVendorID(command.initiator, true, true))
 328       return COMMAND_HANDLED;
 329   }
 330
 331   return CEC_ABORT_REASON_INVALID_OPERAND;
 332 }
 333
 334 int CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 335 {
 336   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 337   {
 338     CCECBusDevice *device = GetDevice(command.destination);
 339     if (device && device->TransmitOSDName(command.initiator, true))
 340       return COMMAND_HANDLED;
 341   }
 342
 343   return CEC_ABORT_REASON_INVALID_OPERAND;
 344 }
 345
 346 int CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 347 {
 348   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 349   {
 350     CCECBusDevice *device = GetDevice(command.destination);
 351     if (device && device->TransmitPhysicalAddress(true))
 352       return COMMAND_HANDLED;
 353     return CEC_ABORT_REASON_INVALID_OPERAND;
 354   }
 355
 356   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 357 }
 358
 359 int CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
 360 {
 361   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 362   {
 363     CCECBusDevice *device = GetDevice(command.destination);
 364     if (device && device->TransmitSetMenuLanguage(command.initiator, true))
 365       return COMMAND_HANDLED;
 366     return CEC_ABORT_REASON_INVALID_OPERAND;
 367   }
 368
 369   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 370 }
 371
 372 int CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 373 {
 374   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 375   {
 376     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 377     if (device && device->TransmitSystemAudioModeStatus(command.initiator, true))
 378       return COMMAND_HANDLED;
 379     return CEC_ABORT_REASON_INVALID_OPERAND;
 380   }
 381
 382   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 383 }
 384
 385 int CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 386 {
 387   CCECBusDevice *device = GetDevice(command.destination);
 388   if (device && device->GetCurrentStatus() == CEC_DEVICE_STATUS_PRESENT)
 389   {
 390     if (device->GetCurrentPowerStatus() == CEC_POWER_STATUS_STANDBY ||
 391         device->GetCurrentPowerStatus() == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY)
 392       device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 393     CCECBusDevice* tv = GetDevice(CECDEVICE_TV);
 394     if (tv)
 395       tv->OnImageViewOnSent(false);
 396   }
 397   return COMMAND_HANDLED;
 398 }
 399
 400 int CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 401 {
 402   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 403   {
 404     CCECBusDevice *device = GetDevice(command.destination);
 405     if (device)
 406     {
 407       CCECClient *client = device->GetClient();
 408       if (client)
 409       {
 410         if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
 411         {
 412           if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
 413             device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 414         }
 415         else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
 416         {
 417           if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
 418             device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 419         }
 420       }
 421       if (device->TransmitMenuState(command.initiator, true))
 422         return COMMAND_HANDLED;
 423     }
 424     return CEC_ABORT_REASON_INVALID_OPERAND;
 425   }
 426
 427   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 428 }
 429
 430 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 431 {
 432   m_busDevice->HandlePoll(command.destination);
 433   return true;
 434 }
 435
 436 int CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 437 {
 438   if (command.parameters.size == 1)
 439   {
 440     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 441     if (device)
 442     {
 443       device->SetAudioStatus(command.parameters[0]);
 444       return COMMAND_HANDLED;
 445     }
 446   }
 447   return CEC_ABORT_REASON_INVALID_OPERAND;
 448 }
 449
 450 int CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 451 {
 452   if (command.parameters.size == 3)
 453   {
 454     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 455     SetPhysicalAddress(command.initiator, iNewAddress);
 456     return COMMAND_HANDLED;
 457   }
 458   return CEC_ABORT_REASON_INVALID_OPERAND;
 459 }
 460
 461 int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 462 {
 463   if (command.parameters.size == 1)
 464   {
 465     CCECBusDevice *device = GetDevice(command.initiator);
 466     if (device)
 467     {
 468       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 469       return COMMAND_HANDLED;
 470     }
 471   }
 472   return CEC_ABORT_REASON_INVALID_OPERAND;
 473 }
 474
 475 int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 476 {
 477   if (m_processor->CECInitialised())
 478   {
 479     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 480     m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 481
 482     vector<CCECBusDevice *> devices;
 483     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 484       devices[iDevicePtr]->TransmitActiveSource(true);
 485   }
 486
 487   return COMMAND_HANDLED;
 488 }
 489
 490 int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 491 {
 492   if (command.parameters.size == 4)
 493   {
 494     CCECBusDevice *device = GetDevice(command.initiator);
 495     if (device)
 496     {
 497       uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 498       device->SetActiveRoute(iNewAddress);
 499       return COMMAND_HANDLED;
 500     }
 501   }
 502
 503   return CEC_ABORT_REASON_INVALID_OPERAND;
 504 }
 505
 506 int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 507 {
 508   if (command.parameters.size == 2)
 509   {
 510     CCECBusDevice *device = GetDevice(command.initiator);
 511     if (device)
 512     {
 513       uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 514       device->SetActiveRoute(iNewAddress);
 515       return COMMAND_HANDLED;
 516     }
 517   }
 518
 519   return CEC_ABORT_REASON_INVALID_OPERAND;
 520 }
 521
 522 int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 523 {
 524   if (command.parameters.size == 3)
 525   {
 526     CCECBusDevice *device = GetDevice(command.initiator);
 527     if (device)
 528     {
 529       cec_menu_language language;
 530       language.device = command.initiator;
 531       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 532         language.language[iPtr] = command.parameters[iPtr];
 533       language.language[3] = 0;
 534       device->SetMenuLanguage(language);
 535       return COMMAND_HANDLED;
 536     }
 537   }
 538
 539   return CEC_ABORT_REASON_INVALID_OPERAND;
 540 }
 541
 542 int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 543 {
 544   if (command.parameters.size > 0)
 545   {
 546     CCECBusDevice *device = GetDevice(command.initiator);
 547     if (device)
 548     {
 549       char buf[1024];
 550       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 551         buf[iPtr] = (char)command.parameters[iPtr];
 552       buf[command.parameters.size] = 0;
 553
 554       CStdString strName(buf);
 555       device->SetOSDName(strName);
 556
 557       return COMMAND_HANDLED;
 558     }
 559   }
 560
 561   return CEC_ABORT_REASON_INVALID_OPERAND;
 562 }
 563
 564 int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 565 {
 566   if (!m_processor->CECInitialised())
 567     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 568
 569   if (command.parameters.size >= 2)
 570   {
 571     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 572     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
 573
 574     /* one of the device handled by libCEC has been made active */
 575     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 576     if (device)
 577     {
 578       if (device->IsHandledByLibCEC())
 579         device->ActivateSource();
 580       else
 581         device->MarkAsActiveSource();
 582       return COMMAND_HANDLED;
 583     }
 584     else
 585     {
 586       cec_logical_address previousSource = m_processor->GetActiveSource(false);
 587       CCECBusDevice* device = m_processor->GetDevice(previousSource);
 588       if (device && device->GetCurrentPhysicalAddress() != iStreamAddress)
 589         device->MarkAsInactiveSource();
 590     }
 591   }
 592
 593   return CEC_ABORT_REASON_INVALID_OPERAND;
 594 }
 595
 596 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 597 {
 598   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 599   {
 600     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 601     if (device)
 602     {
 603       if (command.parameters.size >= 2)
 604       {
 605         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 606         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 607         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 608         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 609         if (newActiveDevice)
 610           newActiveDevice->MarkAsActiveSource();
 611         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 612           return COMMAND_HANDLED;
 613       }
 614       else
 615       {
 616         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 617         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 618           return COMMAND_HANDLED;
 619       }
 620     }
 621   }
 622
 623   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 624 }
 625
 626 int CCECCommandHandler::HandleStandby(const cec_command &command)
 627 {
 628   CCECBusDevice *device = GetDevice(command.initiator);
 629   if (device)
 630     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 631
 632   return COMMAND_HANDLED;
 633 }
 634
 635 int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 636 {
 637   if (command.parameters.size == 1)
 638   {
 639     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 640     if (device)
 641     {
 642       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 643       return COMMAND_HANDLED;
 644     }
 645   }
 646
 647   return CEC_ABORT_REASON_INVALID_OPERAND;
 648 }
 649
 650 int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 651 {
 652   if (command.parameters.size == 1)
 653   {
 654     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 655     if (device)
 656     {
 657       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 658       return COMMAND_HANDLED;
 659     }
 660   }
 661
 662   return CEC_ABORT_REASON_INVALID_OPERAND;
 663 }
 664
 665 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 666 {
 667   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 668   return COMMAND_HANDLED;
 669 }
 670
 671 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 672 {
 673   if (!m_processor->CECInitialised() ||
 674       !m_processor->IsHandledByLibCEC(command.destination))
 675     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 676
 677   if (command.parameters.size == 0)
 678     return CEC_ABORT_REASON_INVALID_OPERAND;
 679
 680   CCECBusDevice *device = GetDevice(command.destination);
 681   if (!device)
 682     return CEC_ABORT_REASON_INVALID_OPERAND;
 683
 684   CCECClient *client = device->GetClient();
 685   if (client)
 686     client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 687
 688   if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 689       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
 690       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 691   {
 692     bool bPowerOn(true);
 693
 694     // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
 695     // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 696     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 697         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 698     {
 699       cec_power_status status = device->GetCurrentPowerStatus();
 700       bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 701     }
 702
 703     if (bPowerOn)
 704     {
 705       device->ActivateSource();
 706     }
 707     else
 708     {
 709       device->MarkAsInactiveSource();
 710       device->TransmitInactiveSource();
 711       device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 712     }
 713   }
 714   else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
 715   {
 716     // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
 717     if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
 718       device->MarkAsActiveSource();
 719   }
 720
 721   return COMMAND_HANDLED;
 722 }
 723
 724 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 725 {
 726   if (!m_processor->CECInitialised() ||
 727       !m_processor->IsHandledByLibCEC(command.destination))
 728     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 729
 730   CCECClient *client = m_processor->GetClient(command.destination);
 731   if (client)
 732     client->AddKey();
 733
 734   return COMMAND_HANDLED;
 735 }
 736
 737 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 738 {
 739   return CEC_ABORT_REASON_INVALID_OPERAND;
 740 }
 741
 742 int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
 743 {
 744   if (command.parameters.size == 0)
 745     return CEC_ABORT_REASON_INVALID_OPERAND;
 746
 747   LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
 748   return COMMAND_HANDLED;
 749 }
 750
 751 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
 752 {
 753   if (m_processor->IsHandledByLibCEC(command.destination))
 754   {
 755     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
 756     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
 757   }
 758 }
 759
 760 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 761 {
 762   size_t iReturn(0);
 763
 764   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 765   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 766   {
 767     if (addresses[iPtr])
 768     {
 769       devices.push_back(GetDevice((cec_logical_address) iPtr));
 770       ++iReturn;
 771     }
 772   }
 773
 774   return iReturn;
 775 }
 776
 777 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 778 {
 779   return m_processor->GetDevice(iLogicalAddress);
 780 }
 781
 782 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 783 {
 784   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 785 }
 786
 787 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 788 {
 789   bool bChanged(false);
 790   if (command.parameters.size < 3)
 791   {
 792     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 793     return bChanged;
 794   }
 795
 796   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 797                        ((uint64_t)command.parameters[1] << 8) +
 798                         (uint64_t)command.parameters[2];
 799
 800   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 801   if (device)
 802     bChanged = device->SetVendorId(iVendorId);
 803   return bChanged;
 804 }
 805
 806 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 807 {
 808   if (!m_processor->IsHandledByLibCEC(iAddress))
 809   {
 810     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 811     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 812
 813     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 814     if (device)
 815       device->SetPhysicalAddress(iNewAddress);
 816     else
 817     {
 818       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 819     }
 820
 821     /* another device reported the same physical address as ours */
 822     if (client)
 823       client->ResetPhysicalAddress();
 824   }
 825   else
 826   {
 827     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);
 828   }
 829 }
 830
 831 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 832 {
 833   if (iDestination == CECDEVICE_TV)
 834     return TransmitImageViewOn(iInitiator, iDestination);
 835
 836   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 837     TransmitKeyRelease(iInitiator, iDestination);
 838 }
 839
 840 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 841 {
 842   cec_command command;
 843   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 844
 845   if (Transmit(command, false, false))
 846   {
 847     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 848     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 849       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 850     return true;
 851   }
 852   return false;
 853 }
 854
 855 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 856 {
 857   cec_command command;
 858   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 859
 860   return Transmit(command, false, false);
 861 }
 862
 863 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 864 {
 865   cec_command command;
 866   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 867
 868   return Transmit(command, !bWaitForResponse, false);
 869 }
 870
 871 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 872 {
 873   cec_command command;
 874   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 875
 876   return Transmit(command, !bWaitForResponse, false);
 877 }
 878
 879 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 880 {
 881   cec_command command;
 882   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 883
 884   return Transmit(command, !bWaitForResponse, false);
 885 }
 886
 887 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 888 {
 889   cec_command command;
 890   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 891
 892   return Transmit(command, !bWaitForResponse, false);
 893 }
 894
 895 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 896 {
 897   cec_command command;
 898   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 899
 900   return Transmit(command, !bWaitForResponse, false);
 901 }
 902
 903 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 904 {
 905   if (iDestination == CECDEVICE_TV)
 906   {
 907     int64_t now(GetTimeMs());
 908     if (now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 909       return true;
 910     m_iPowerStatusRequested = now;
 911   }
 912
 913   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 914
 915   cec_command command;
 916   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 917
 918   return Transmit(command, !bWaitForResponse, false);
 919 }
 920
 921 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 922 {
 923   cec_command command;
 924   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 925
 926   return Transmit(command, !bWaitForResponse, false);
 927 }
 928
 929 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 930 {
 931   cec_command command;
 932   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 933   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 934   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 935
 936   return Transmit(command, false, bIsReply);
 937 }
 938
 939 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 940 {
 941   cec_command command;
 942   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 943   command.parameters.PushBack((uint8_t)cecVersion);
 944
 945   return Transmit(command, false, bIsReply);
 946 }
 947
 948 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 949 {
 950   cec_command command;
 951   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 952   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 953   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 954
 955   return Transmit(command, false, false);
 956 }
 957
 958 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 959 {
 960   cec_command command;
 961   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 962   command.parameters.PushBack((uint8_t)menuState);
 963
 964   return Transmit(command, false, bIsReply);
 965 }
 966
 967 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 968 {
 969   cec_command command;
 970   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 971   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 972     command.parameters.PushBack(strDeviceName.at(iPtr));
 973
 974   return Transmit(command, false, bIsReply);
 975 }
 976
 977 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
 978 {
 979   cec_command command;
 980   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 981   command.parameters.PushBack((uint8_t)duration);
 982
 983   size_t iLen = strlen(strMessage);
 984   if (iLen > 13) iLen = 13;
 985
 986   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
 987     command.parameters.PushBack(strMessage[iPtr]);
 988
 989   return Transmit(command, false, bIsReply);
 990 }
 991
 992 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
 993 {
 994   cec_command command;
 995   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 996   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 997   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 998   command.parameters.PushBack((uint8_t) (type));
 999
1000   return Transmit(command, false, bIsReply);
1001 }
1002
1003 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[3], bool bIsReply)
1004 {
1005   cec_command command;
1006   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1007   command.parameters.PushBack((uint8_t) lang[0]);
1008   command.parameters.PushBack((uint8_t) lang[1]);
1009   command.parameters.PushBack((uint8_t) lang[2]);
1010
1011   return Transmit(command, false, bIsReply);
1012 }
1013
1014 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1015 {
1016   cec_command command;
1017   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1018
1019   return Transmit(command, false, bIsReply);
1020 }
1021
1022 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1023 {
1024   cec_command command;
1025   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1026   command.parameters.PushBack((uint8_t) state);
1027
1028   return Transmit(command, false, bIsReply);
1029 }
1030
1031 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId, bool bIsReply)
1032 {
1033   cec_command command;
1034   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1035
1036   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1037   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1038   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1039
1040   return Transmit(command, false, bIsReply);
1041 }
1042
1043 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1044 {
1045   cec_command command;
1046   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1047   command.parameters.PushBack(state);
1048
1049   return Transmit(command, false, bIsReply);
1050 }
1051
1052 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1053 {
1054   cec_command command;
1055   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1056   command.parameters.PushBack((uint8_t)state);
1057
1058   return Transmit(command, false, bIsReply);
1059 }
1060
1061 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1062 {
1063   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1064   {
1065     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1066     return false;
1067   }
1068   cec_command command;
1069   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1070   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1071   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1072
1073   return Transmit(command, false, bIsReply);
1074 }
1075
1076 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1077 {
1078   cec_command command;
1079   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1080   command.parameters.PushBack((uint8_t)state);
1081
1082   return Transmit(command, false, bIsReply);
1083 }
1084
1085 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1086 {
1087   cec_command command;
1088   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1089   command.PushBack((uint8_t)state);
1090
1091   return Transmit(command, false, bIsReply);
1092 }
1093
1094 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1095 {
1096   cec_command command;
1097   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1098   command.parameters.PushBack((uint8_t)key);
1099
1100   return Transmit(command, !bWait, false);
1101 }
1102
1103 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1104 {
1105   cec_command command;
1106   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1107
1108   return Transmit(command, !bWait, false);
1109 }
1110
1111 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1112 {
1113   bool bReturn(false);
1114   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1115   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1116   command.transmit_timeout = m_iTransmitTimeout;
1117
1118   if (command.initiator == CECDEVICE_UNKNOWN)
1119   {
1120     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1121     return bReturn;
1122   }
1123
1124   // check whether the destination is not marked as not present or handled by libCEC
1125   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1126   {
1127     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1128     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1129     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1130     {
1131       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1132       return bReturn;
1133     }
1134     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1135     {
1136       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1137       return bReturn;
1138     }
1139   }
1140
1141   {
1142     uint8_t iTries(0), iMaxTries(!command.opcode_set ? 1 : m_iTransmitRetries + 1);
1143     while (!bReturn && ++iTries <= iMaxTries && !m_busDevice->IsUnsupportedFeature(command.opcode))
1144     {
1145       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1146       {
1147 #ifdef CEC_DEBUGGING
1148         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1149 #endif
1150         if (bExpectResponse)
1151         {
1152           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1153           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1154         }
1155       }
1156     }
1157   }
1158
1159   return bReturn;
1160 }
1161
1162 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1163 {
1164   if (m_busDevice->IsActiveSource() &&
1165       m_busDevice->IsHandledByLibCEC())
1166   {
1167     {
1168       CLockObject lock(m_mutex);
1169       // check if we need to send a delayed source switch
1170       if (bTransmitDelayedCommandsOnly)
1171       {
1172         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1173           return false;
1174
1175 #ifdef CEC_DEBUGGING
1176         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1177 #endif
1178       }
1179     }
1180
1181     // update the power state and menu state
1182     if (!bTransmitDelayedCommandsOnly)
1183     {
1184       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1185       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1186     }
1187
1188     // vendor specific hook
1189     VendorPreActivateSourceHook();
1190
1191     // power on the TV
1192     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1193     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1194     bool bActiveSourceFailed(false);
1195     if (bTvPresent)
1196       bActiveSourceFailed = !m_busDevice->TransmitImageViewOn();
1197     else
1198       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1199
1200     // check if we're allowed to switch sources
1201     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1202     if (!bSourceSwitchAllowed)
1203       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1204
1205     // switch sources (if allowed)
1206     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1207     {
1208       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1209       if (bTvPresent && !bActiveSourceFailed)
1210         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1211
1212       // update the deck status for playback devices
1213       if (bTvPresent && !bActiveSourceFailed)
1214       {
1215         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1216         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1217           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1218       }
1219     }
1220
1221     // retry later
1222     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1223     {
1224       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1225       int64_t now(GetTimeMs());
1226       CLockObject lock(m_mutex);
1227       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1228         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1229       return false;
1230     }
1231     else
1232     {
1233       CLockObject lock(m_mutex);
1234       // clear previous pending active source command
1235       m_iActiveSourcePending = 0;
1236     }
1237
1238     // mark the handler as initialised
1239     CLockObject lock(m_mutex);
1240     m_bHandlerInited = true;
1241   }
1242   return true;
1243 }
1244
1245 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1246 {
1247   CLockObject lock(m_mutex);
1248   m_iActiveSourcePending = GetTimeMs() + iDelay;
1249 }