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
 261   if (command.initiator == CECDEVICE_TV)
 262   {
 263     CCECBusDevice* primary = m_processor->GetPrimaryDevice();
 264     if (primary)
 265       primary->TransmitVendorID(CECDEVICE_BROADCAST, false, false);
 266   }
 267
 268   return COMMAND_HANDLED;
 269 }
 270
 271 int CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 272 {
 273   if (command.parameters.size == 2 &&
 274         (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
 275          command.parameters[1] == CEC_ABORT_REASON_REFUSED))
 276     m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 277   return COMMAND_HANDLED;
 278 }
 279
 280 int CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 281 {
 282   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 283   {
 284     CCECBusDevice *device = GetDevice(command.destination);
 285     if (device && device->TransmitCECVersion(command.initiator, true))
 286       return COMMAND_HANDLED;
 287     return CEC_ABORT_REASON_INVALID_OPERAND;
 288   }
 289
 290   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 291 }
 292
 293 int CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 294 {
 295   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 296   {
 297     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 298     if (device && device->TransmitAudioStatus(command.initiator, true))
 299       return COMMAND_HANDLED;
 300     return CEC_ABORT_REASON_INVALID_OPERAND;
 301   }
 302
 303   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 304 }
 305
 306 int CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 307 {
 308   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 309   {
 310     CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 311     if (device && device->TransmitDeckStatus(command.initiator, true))
 312       return COMMAND_HANDLED;
 313     return CEC_ABORT_REASON_INVALID_OPERAND;
 314   }
 315
 316   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 317 }
 318
 319 int CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 320 {
 321   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 322   {
 323     CCECBusDevice *device = GetDevice(command.destination);
 324     if (device && device->TransmitPowerState(command.initiator, true))
 325       return COMMAND_HANDLED;
 326     return CEC_ABORT_REASON_INVALID_OPERAND;
 327   }
 328
 329   return CEC_ABORT_REASON_INVALID_OPERAND;
 330 }
 331
 332 int CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 333 {
 334   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 335   {
 336     CCECBusDevice *device = GetDevice(command.destination);
 337     if (device && device->TransmitVendorID(command.initiator, true, true))
 338       return COMMAND_HANDLED;
 339   }
 340
 341   return CEC_ABORT_REASON_INVALID_OPERAND;
 342 }
 343
 344 int CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 345 {
 346   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 347   {
 348     CCECBusDevice *device = GetDevice(command.destination);
 349     if (device && device->TransmitOSDName(command.initiator, true))
 350       return COMMAND_HANDLED;
 351   }
 352
 353   return CEC_ABORT_REASON_INVALID_OPERAND;
 354 }
 355
 356 int CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 357 {
 358   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 359   {
 360     CCECBusDevice *device = GetDevice(command.destination);
 361     if (device && device->TransmitPhysicalAddress(true))
 362       return COMMAND_HANDLED;
 363     return CEC_ABORT_REASON_INVALID_OPERAND;
 364   }
 365
 366   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 367 }
 368
 369 int CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
 370 {
 371   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 372   {
 373     CCECBusDevice *device = GetDevice(command.destination);
 374     if (device && device->TransmitSetMenuLanguage(command.initiator, true))
 375       return COMMAND_HANDLED;
 376     return CEC_ABORT_REASON_INVALID_OPERAND;
 377   }
 378
 379   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 380 }
 381
 382 int CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 383 {
 384   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 385   {
 386     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 387     if (device && device->TransmitSystemAudioModeStatus(command.initiator, true))
 388       return COMMAND_HANDLED;
 389     return CEC_ABORT_REASON_INVALID_OPERAND;
 390   }
 391
 392   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 393 }
 394
 395 int CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 396 {
 397   CCECBusDevice *device = GetDevice(command.destination);
 398   if (device && device->GetCurrentStatus() == CEC_DEVICE_STATUS_PRESENT)
 399   {
 400     if (device->GetCurrentPowerStatus() == CEC_POWER_STATUS_STANDBY ||
 401         device->GetCurrentPowerStatus() == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY)
 402       device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 403     CCECBusDevice* tv = GetDevice(CECDEVICE_TV);
 404     if (tv)
 405       tv->OnImageViewOnSent(false);
 406   }
 407   return COMMAND_HANDLED;
 408 }
 409
 410 int CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 411 {
 412   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 413   {
 414     CCECBusDevice *device = GetDevice(command.destination);
 415     if (device)
 416     {
 417       CCECClient *client = device->GetClient();
 418       if (client)
 419       {
 420         if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
 421         {
 422           if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
 423             device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 424         }
 425         else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
 426         {
 427           if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
 428             device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 429         }
 430       }
 431       if (device->TransmitMenuState(command.initiator, true))
 432         return COMMAND_HANDLED;
 433     }
 434     return CEC_ABORT_REASON_INVALID_OPERAND;
 435   }
 436
 437   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 438 }
 439
 440 bool CCECCommandHandler::HandlePoll(const cec_command &command)
 441 {
 442   m_busDevice->HandlePoll(command.destination);
 443   return true;
 444 }
 445
 446 int CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 447 {
 448   if (command.parameters.size == 1)
 449   {
 450     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 451     if (device)
 452     {
 453       device->SetAudioStatus(command.parameters[0]);
 454       return COMMAND_HANDLED;
 455     }
 456   }
 457   return CEC_ABORT_REASON_INVALID_OPERAND;
 458 }
 459
 460 int CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 461 {
 462   if (command.parameters.size == 3)
 463   {
 464     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 465     SetPhysicalAddress(command.initiator, iNewAddress);
 466
 467     if (command.initiator == CECDEVICE_TV)
 468     {
 469       CCECBusDevice* primary = m_processor->GetPrimaryDevice();
 470       if (primary)
 471         primary->TransmitPhysicalAddress(false);
 472     }
 473     return COMMAND_HANDLED;
 474   }
 475   return CEC_ABORT_REASON_INVALID_OPERAND;
 476 }
 477
 478 int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 479 {
 480   if (command.parameters.size == 1)
 481   {
 482     CCECBusDevice *device = GetDevice(command.initiator);
 483     if (device)
 484     {
 485       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 486       return COMMAND_HANDLED;
 487     }
 488   }
 489   return CEC_ABORT_REASON_INVALID_OPERAND;
 490 }
 491
 492 int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 493 {
 494   if (m_processor->CECInitialised())
 495   {
 496     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
 497     m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 498
 499     vector<CCECBusDevice *> devices;
 500     for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
 501       devices[iDevicePtr]->TransmitActiveSource(true);
 502   }
 503
 504   return COMMAND_HANDLED;
 505 }
 506
 507 int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 508 {
 509   if (command.parameters.size == 4)
 510   {
 511     CCECBusDevice *device = GetDevice(command.initiator);
 512     if (device)
 513     {
 514       uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 515       device->SetActiveRoute(iNewAddress);
 516       return COMMAND_HANDLED;
 517     }
 518   }
 519
 520   return CEC_ABORT_REASON_INVALID_OPERAND;
 521 }
 522
 523 int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 524 {
 525   if (command.parameters.size == 2)
 526   {
 527     CCECBusDevice *device = GetDevice(command.initiator);
 528     if (device)
 529     {
 530       uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 531       device->SetActiveRoute(iNewAddress);
 532       return COMMAND_HANDLED;
 533     }
 534   }
 535
 536   return CEC_ABORT_REASON_INVALID_OPERAND;
 537 }
 538
 539 int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 540 {
 541   if (command.parameters.size == 3)
 542   {
 543     CCECBusDevice *device = GetDevice(command.initiator);
 544     if (device)
 545     {
 546       cec_menu_language language;
 547       language.device = command.initiator;
 548       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 549         language.language[iPtr] = command.parameters[iPtr];
 550       language.language[3] = 0;
 551       device->SetMenuLanguage(language);
 552       return COMMAND_HANDLED;
 553     }
 554   }
 555
 556   return CEC_ABORT_REASON_INVALID_OPERAND;
 557 }
 558
 559 int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 560 {
 561   if (command.parameters.size > 0)
 562   {
 563     CCECBusDevice *device = GetDevice(command.initiator);
 564     if (device)
 565     {
 566       char buf[1024];
 567       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 568         buf[iPtr] = (char)command.parameters[iPtr];
 569       buf[command.parameters.size] = 0;
 570
 571       CStdString strName(buf);
 572       device->SetOSDName(strName);
 573
 574       return COMMAND_HANDLED;
 575     }
 576   }
 577
 578   return CEC_ABORT_REASON_INVALID_OPERAND;
 579 }
 580
 581 int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 582 {
 583   if (!m_processor->CECInitialised())
 584     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 585
 586   if (command.parameters.size >= 2)
 587   {
 588     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 589     LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
 590
 591     /* one of the device handled by libCEC has been made active */
 592     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 593     if (device)
 594     {
 595       if (device->IsHandledByLibCEC() && !device->IsActiveSource())
 596         device->ActivateSource();
 597       else
 598       {
 599         device->MarkAsActiveSource();
 600         device->TransmitActiveSource(true);
 601       }
 602       return COMMAND_HANDLED;
 603     }
 604   }
 605
 606   return CEC_ABORT_REASON_INVALID_OPERAND;
 607 }
 608
 609 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 610 {
 611   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
 612   {
 613     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
 614     if (device)
 615     {
 616       if (command.parameters.size >= 2)
 617       {
 618         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 619         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 620         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 621         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 622         if (newActiveDevice)
 623           newActiveDevice->MarkAsActiveSource();
 624         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 625           return COMMAND_HANDLED;
 626       }
 627       else
 628       {
 629         device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 630         if (device->TransmitSetSystemAudioMode(command.initiator, true))
 631           return COMMAND_HANDLED;
 632       }
 633     }
 634   }
 635
 636   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 637 }
 638
 639 int CCECCommandHandler::HandleStandby(const cec_command &command)
 640 {
 641   CCECBusDevice *device = GetDevice(command.initiator);
 642   if (device)
 643     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 644
 645   return COMMAND_HANDLED;
 646 }
 647
 648 int CCECCommandHandler::HandleSystemAudioModeStatus(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::HandleSetSystemAudioMode(const cec_command &command)
 664 {
 665   if (command.parameters.size == 1)
 666   {
 667     CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
 668     if (device)
 669     {
 670       device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 671       return COMMAND_HANDLED;
 672     }
 673   }
 674
 675   return CEC_ABORT_REASON_INVALID_OPERAND;
 676 }
 677
 678 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 679 {
 680   m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
 681   return COMMAND_HANDLED;
 682 }
 683
 684 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 685 {
 686   if (!m_processor->CECInitialised() ||
 687       !m_processor->IsHandledByLibCEC(command.destination))
 688     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 689
 690   if (command.parameters.size == 0)
 691     return CEC_ABORT_REASON_INVALID_OPERAND;
 692
 693   CCECBusDevice *device = GetDevice(command.destination);
 694   if (!device)
 695     return CEC_ABORT_REASON_INVALID_OPERAND;
 696
 697   CCECClient *client = device->GetClient();
 698   if (client)
 699     client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 700
 701   if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 702       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
 703       command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 704   {
 705     bool bPowerOn(true);
 706
 707     // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
 708     // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
 709     if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 710         command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
 711     {
 712       cec_power_status status = device->GetCurrentPowerStatus();
 713       bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 714     }
 715
 716     if (bPowerOn)
 717     {
 718       device->ActivateSource();
 719     }
 720     else
 721     {
 722       device->MarkAsInactiveSource();
 723       device->TransmitInactiveSource();
 724       device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
 725     }
 726   }
 727   else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
 728   {
 729     // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
 730     if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
 731       device->MarkAsActiveSource();
 732   }
 733
 734   return COMMAND_HANDLED;
 735 }
 736
 737 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 738 {
 739   if (!m_processor->CECInitialised() ||
 740       !m_processor->IsHandledByLibCEC(command.destination))
 741     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 742
 743   CCECClient *client = m_processor->GetClient(command.destination);
 744   if (client)
 745     client->AddKey();
 746
 747   return COMMAND_HANDLED;
 748 }
 749
 750 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 751 {
 752   return CEC_ABORT_REASON_INVALID_OPERAND;
 753 }
 754
 755 int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
 756 {
 757   if (command.parameters.size == 0)
 758     return CEC_ABORT_REASON_INVALID_OPERAND;
 759
 760   LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
 761   return COMMAND_HANDLED;
 762 }
 763
 764 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
 765 {
 766   if (m_processor->IsHandledByLibCEC(command.destination))
 767   {
 768     LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
 769     m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
 770
 771     if (reason == CEC_ABORT_REASON_INVALID_OPERAND)
 772       RequestEmailFromCustomer(command);
 773   }
 774 }
 775
 776 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 777 {
 778   size_t iReturn(0);
 779
 780   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 781   for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
 782   {
 783     if (addresses[iPtr])
 784     {
 785       devices.push_back(GetDevice((cec_logical_address) iPtr));
 786       ++iReturn;
 787     }
 788   }
 789
 790   return iReturn;
 791 }
 792
 793 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 794 {
 795   return m_processor->GetDevice(iLogicalAddress);
 796 }
 797
 798 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 799 {
 800   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 801 }
 802
 803 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 804 {
 805   bool bChanged(false);
 806   if (command.parameters.size < 3)
 807   {
 808     LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 809     return bChanged;
 810   }
 811
 812   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 813                        ((uint64_t)command.parameters[1] << 8) +
 814                         (uint64_t)command.parameters[2];
 815
 816   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 817   if (device)
 818     bChanged = device->SetVendorId(iVendorId);
 819   return bChanged;
 820 }
 821
 822 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 823 {
 824   if (!m_processor->IsHandledByLibCEC(iAddress))
 825   {
 826     CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
 827     CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
 828
 829     CCECBusDevice *device = m_processor->GetDevice(iAddress);
 830     if (device)
 831       device->SetPhysicalAddress(iNewAddress);
 832     else
 833       LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
 834
 835     /* another device reported the same physical address as ours */
 836     if (client)
 837     {
 838       libcec_parameter param;
 839       param.paramType = CEC_PARAMETER_TYPE_STRING;
 840       param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
 841       client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
 842       client->ResetPhysicalAddress();
 843     }
 844   }
 845   else
 846   {
 847     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);
 848   }
 849 }
 850
 851 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 852 {
 853   if (iDestination == CECDEVICE_TV)
 854     return TransmitImageViewOn(iInitiator, iDestination);
 855
 856   return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
 857     TransmitKeyRelease(iInitiator, iDestination);
 858 }
 859
 860 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 861 {
 862   cec_command command;
 863   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 864
 865   if (Transmit(command, false, false))
 866   {
 867     CCECBusDevice* dest = m_processor->GetDevice(iDestination);
 868     if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 869       dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 870     return true;
 871   }
 872   return false;
 873 }
 874
 875 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 876 {
 877   cec_command command;
 878   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 879
 880   return Transmit(command, false, false);
 881 }
 882
 883 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
 884 {
 885   cec_command command;
 886   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
 887
 888   return Transmit(command, !bWaitForResponse, false);
 889 }
 890
 891 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 892 {
 893   cec_command command;
 894   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 895
 896   return Transmit(command, !bWaitForResponse, false);
 897 }
 898
 899 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 900 {
 901   cec_command command;
 902   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 903
 904   return Transmit(command, !bWaitForResponse, false);
 905 }
 906
 907 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 908 {
 909   cec_command command;
 910   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 911
 912   return Transmit(command, !bWaitForResponse, false);
 913 }
 914
 915 bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 916 {
 917   cec_command command;
 918   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
 919
 920   return Transmit(command, !bWaitForResponse, false);
 921 }
 922
 923 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 924 {
 925   cec_command command;
 926   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 927
 928   return Transmit(command, !bWaitForResponse, false);
 929 }
 930
 931 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bUpdate, bool bWaitForResponse /* = true */)
 932 {
 933   if (iDestination == CECDEVICE_TV)
 934   {
 935     int64_t now(GetTimeMs());
 936     if (!bUpdate && now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
 937       return true;
 938     m_iPowerStatusRequested = now;
 939   }
 940
 941   LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
 942
 943   cec_command command;
 944   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 945
 946   return Transmit(command, !bWaitForResponse, false);
 947 }
 948
 949 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
 950 {
 951   cec_command command;
 952   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 953
 954   return Transmit(command, !bWaitForResponse, false);
 955 }
 956
 957 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
 958 {
 959   cec_command command;
 960   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 961   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 962   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 963
 964   return Transmit(command, false, bIsReply);
 965 }
 966
 967 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
 968 {
 969   cec_command command;
 970   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 971   command.parameters.PushBack((uint8_t)cecVersion);
 972
 973   return Transmit(command, false, bIsReply);
 974 }
 975
 976 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 977 {
 978   cec_command command;
 979   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 980   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 981   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 982
 983   return Transmit(command, false, false);
 984 }
 985
 986 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
 987 {
 988   cec_command command;
 989   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 990   command.parameters.PushBack((uint8_t)menuState);
 991
 992   return Transmit(command, false, bIsReply);
 993 }
 994
 995 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
 996 {
 997   cec_command command;
 998   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 999   for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
1000     command.parameters.PushBack(strDeviceName.at(iPtr));
1001
1002   return Transmit(command, false, bIsReply);
1003 }
1004
1005 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
1006 {
1007   cec_command command;
1008   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
1009   command.parameters.PushBack((uint8_t)duration);
1010
1011   size_t iLen = strlen(strMessage);
1012   if (iLen > 13) iLen = 13;
1013
1014   for (size_t iPtr = 0; iPtr < iLen; iPtr++)
1015     command.parameters.PushBack(strMessage[iPtr]);
1016
1017   return Transmit(command, false, bIsReply);
1018 }
1019
1020 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
1021 {
1022   cec_command command;
1023   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
1024   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
1025   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
1026   command.parameters.PushBack((uint8_t) (type));
1027
1028   return Transmit(command, false, bIsReply);
1029 }
1030
1031 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
1032 {
1033   cec_command command;
1034   command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
1035   command.parameters.PushBack((uint8_t) lang[0]);
1036   command.parameters.PushBack((uint8_t) lang[1]);
1037   command.parameters.PushBack((uint8_t) lang[2]);
1038
1039   return Transmit(command, false, bIsReply);
1040 }
1041
1042 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
1043 {
1044   cec_command command;
1045   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
1046
1047   return Transmit(command, false, bIsReply);
1048 }
1049
1050 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
1051 {
1052   cec_command command;
1053   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1054   command.parameters.PushBack((uint8_t) state);
1055
1056   return Transmit(command, false, bIsReply);
1057 }
1058
1059 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
1060 {
1061   cec_command command;
1062   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1063
1064   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1065   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1066   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1067
1068   return Transmit(command, false, bIsReply);
1069 }
1070
1071 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1072 {
1073   cec_command command;
1074   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1075   command.parameters.PushBack(state);
1076
1077   return Transmit(command, false, bIsReply);
1078 }
1079
1080 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1081 {
1082   cec_command command;
1083   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1084   command.parameters.PushBack((uint8_t)state);
1085
1086   return Transmit(command, false, bIsReply);
1087 }
1088
1089 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1090 {
1091   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1092   {
1093     LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1094     return false;
1095   }
1096   cec_command command;
1097   cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1098   command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1099   command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
1100
1101   return Transmit(command, false, bIsReply);
1102 }
1103
1104 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1105 {
1106   cec_command command;
1107   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1108   command.parameters.PushBack((uint8_t)state);
1109
1110   return Transmit(command, false, bIsReply);
1111 }
1112
1113 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1114 {
1115   cec_command command;
1116   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1117   command.PushBack((uint8_t)state);
1118
1119   return Transmit(command, false, bIsReply);
1120 }
1121
1122 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1123 {
1124   cec_command command;
1125   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1126   command.parameters.PushBack((uint8_t)key);
1127
1128   return Transmit(command, !bWait, false);
1129 }
1130
1131 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1132 {
1133   cec_command command;
1134   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1135
1136   return Transmit(command, !bWait, false);
1137 }
1138
1139 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1140 {
1141   bool bReturn(false);
1142   cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1143   bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1144   command.transmit_timeout = m_iTransmitTimeout;
1145
1146   if (command.initiator == CECDEVICE_UNKNOWN)
1147   {
1148     LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1149     return bReturn;
1150   }
1151
1152   // check whether the destination is not marked as not present or handled by libCEC
1153   if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1154   {
1155     CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1156     cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1157     if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1158     {
1159       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1160       return bReturn;
1161     }
1162     else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1163     {
1164       LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1165       return bReturn;
1166     }
1167     else if (destinationDevice->IsUnsupportedFeature(command.opcode))
1168     {
1169       return true;
1170     }
1171   }
1172
1173   {
1174     uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
1175     while (!bReturn && ++iTries <= iMaxTries)
1176     {
1177       if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1178       {
1179 #ifdef CEC_DEBUGGING
1180         LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1181 #endif
1182         if (bExpectResponse)
1183         {
1184           bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1185           LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1186         }
1187       }
1188     }
1189   }
1190
1191   return bReturn;
1192 }
1193
1194 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1195 {
1196   if (m_busDevice->IsActiveSource() &&
1197       m_busDevice->IsHandledByLibCEC())
1198   {
1199     {
1200       CLockObject lock(m_mutex);
1201       // check if we need to send a delayed source switch
1202       if (bTransmitDelayedCommandsOnly)
1203       {
1204         if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1205           return false;
1206
1207 #ifdef CEC_DEBUGGING
1208         LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1209 #endif
1210       }
1211     }
1212
1213     // update the power state and menu state
1214     if (!bTransmitDelayedCommandsOnly)
1215     {
1216       m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1217       m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1218     }
1219
1220     // vendor specific hook
1221     VendorPreActivateSourceHook();
1222
1223     // power on the TV
1224     CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1225     bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1226     bool bActiveSourceFailed(false);
1227     if (bTvPresent)
1228       bActiveSourceFailed = !tv->PowerOn(m_busDevice->GetLogicalAddress());
1229     else
1230       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1231
1232     // check if we're allowed to switch sources
1233     bool bSourceSwitchAllowed = SourceSwitchAllowed();
1234     if (!bSourceSwitchAllowed)
1235       LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1236
1237     // switch sources (if allowed)
1238     if (!bActiveSourceFailed && bSourceSwitchAllowed)
1239     {
1240       bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1241       if (bTvPresent && !bActiveSourceFailed)
1242         bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1243
1244       // update the deck status for playback devices
1245       if (bTvPresent && !bActiveSourceFailed)
1246       {
1247         CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1248         if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1249           bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1250       }
1251
1252       // update system audio mode for audiosystem devices
1253       if (bTvPresent && !bActiveSourceFailed)
1254       {
1255         CCECAudioSystem* audioDevice = m_busDevice->AsAudioSystem();
1256         if (audioDevice)
1257           bActiveSourceFailed = !audioDevice->TransmitSetSystemAudioMode(CECDEVICE_TV, false);
1258       }
1259     }
1260
1261     // retry later
1262     if (bActiveSourceFailed || !bSourceSwitchAllowed)
1263     {
1264       LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1265       int64_t now(GetTimeMs());
1266       CLockObject lock(m_mutex);
1267       if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1268         m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1269       return false;
1270     }
1271     else
1272     {
1273       CLockObject lock(m_mutex);
1274       // clear previous pending active source command
1275       m_iActiveSourcePending = 0;
1276     }
1277
1278     // mark the handler as initialised
1279     CLockObject lock(m_mutex);
1280     m_bHandlerInited = true;
1281   }
1282   return true;
1283 }
1284
1285 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1286 {
1287   CLockObject lock(m_mutex);
1288   m_iActiveSourcePending = GetTimeMs() + iDelay;
1289 }
1290
1291 void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
1292 {
1293   bool bInserted(false);
1294   map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
1295   if (it != m_logsRequested.end())
1296   {
1297     for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
1298     {
1299       // we already logged this one
1300       if ((*it2).parameters == command.parameters)
1301         return;
1302     }
1303
1304     it->second.push_back(command);
1305     bInserted = true;
1306   }
1307
1308   if (!bInserted)
1309   {
1310     vector<cec_command> commands;
1311     commands.push_back(command);
1312     m_logsRequested.insert(make_pair(command.opcode, commands));
1313   }
1314
1315   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);
1316 }
1317