src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 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 "CECCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../devices/CECAudioSystem.h"
  36 #include "../devices/CECPlaybackDevice.h"
  37 #include "../CECProcessor.h"
  38
  39 using namespace CEC;
  40 using namespace std;
  41
  42 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  43     m_busDevice(busDevice),
  44     m_processor(m_busDevice->GetProcessor()),
  45     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  46     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  47     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES)
  48 {
  49 }
  50
  51 CCECCommandHandler::~CCECCommandHandler(void)
  52 {
  53   m_condition.Broadcast();
  54 }
  55
  56 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  57 {
  58   bool bHandled(true), bHandlerChanged(false);
  59
  60   CStdString strLog;
  61   strLog.Format(">> %s (%X) -> %s (%X): %s (%2X)", m_processor->ToString(command.initiator), command.initiator, m_processor->ToString(command.destination), command.destination, m_processor->ToString(command.opcode), command.opcode);
  62   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  63
  64   m_processor->AddCommand(command);
  65
  66   switch(command.opcode)
  67   {
  68   case CEC_OPCODE_REPORT_POWER_STATUS:
  69     HandleReportPowerStatus(command);
  70     break;
  71   case CEC_OPCODE_CEC_VERSION:
  72     HandleDeviceCecVersion(command);
  73     break;
  74   case CEC_OPCODE_SET_MENU_LANGUAGE:
  75     HandleSetMenuLanguage(command);
  76     break;
  77   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  78     HandleGivePhysicalAddress(command);
  79     break;
  80   case CEC_OPCODE_GIVE_OSD_NAME:
  81      HandleGiveOSDName(command);
  82     break;
  83   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  84     HandleGiveDeviceVendorId(command);
  85     break;
  86   case CEC_OPCODE_DEVICE_VENDOR_ID:
  87     bHandlerChanged = HandleDeviceVendorId(command);
  88     break;
  89   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  90     HandleDeviceVendorCommandWithId(command);
  91     break;
  92   case CEC_OPCODE_GIVE_DECK_STATUS:
  93     HandleGiveDeckStatus(command);
  94     break;
  95   case CEC_OPCODE_DECK_CONTROL:
  96     HandleDeckControl(command);
  97     break;
  98   case CEC_OPCODE_MENU_REQUEST:
  99     HandleMenuRequest(command);
 100     break;
 101   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 102     HandleGiveDevicePowerStatus(command);
 103     break;
 104   case CEC_OPCODE_GET_CEC_VERSION:
 105     HandleGetCecVersion(command);
 106     break;
 107   case CEC_OPCODE_USER_CONTROL_PRESSED:
 108     HandleUserControlPressed(command);
 109     break;
 110   case CEC_OPCODE_USER_CONTROL_RELEASE:
 111     HandleUserControlRelease(command);
 112     break;
 113   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 114     HandleGiveAudioStatus(command);
 115     break;
 116   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 117     HandleGiveSystemAudioModeStatus(command);
 118     break;
 119   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 120     HandleSystemAudioModeRequest(command);
 121     break;
 122   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 123     HandleReportAudioStatus(command);
 124     break;
 125   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 126     HandleSystemAudioModeStatus(command);
 127     break;
 128   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 129     HandleSetSystemAudioMode(command);
 130     break;
 131   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 132     HandleRequestActiveSource(command);
 133     break;
 134   case CEC_OPCODE_SET_STREAM_PATH:
 135     HandleSetStreamPath(command);
 136     break;
 137   case CEC_OPCODE_ROUTING_CHANGE:
 138     HandleRoutingChange(command);
 139     break;
 140   case CEC_OPCODE_ROUTING_INFORMATION:
 141     HandleRoutingInformation(command);
 142     break;
 143   case CEC_OPCODE_STANDBY:
 144     HandleStandby(command);
 145     break;
 146   case CEC_OPCODE_ACTIVE_SOURCE:
 147     HandleActiveSource(command);
 148     break;
 149   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 150     HandleReportPhysicalAddress(command);
 151     break;
 152   case CEC_OPCODE_SET_OSD_NAME:
 153     HandleSetOSDName(command);
 154     break;
 155   case CEC_OPCODE_IMAGE_VIEW_ON:
 156     HandleImageViewOn(command);
 157     break;
 158   case CEC_OPCODE_TEXT_VIEW_ON:
 159     HandleTextViewOn(command);
 160     break;
 161   default:
 162     UnhandledCommand(command);
 163     bHandled = false;
 164     break;
 165   }
 166
 167   if (bHandled && !bHandlerChanged)
 168   {
 169     CLockObject lock(&m_receiveMutex);
 170     m_condition.Signal();
 171   }
 172
 173   return bHandled;
 174 }
 175
 176 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 177 {
 178   if (command.parameters.size == 2)
 179   {
 180     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 181     return m_processor->SetActiveSource(iAddress);
 182   }
 183
 184   return true;
 185 }
 186
 187 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 188 {
 189   CCECBusDevice *device = GetDevice(command.destination);
 190   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 191   {
 192     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 193     return true;
 194   }
 195
 196   return false;
 197 }
 198
 199 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 200 {
 201   if (command.parameters.size == 1)
 202   {
 203     CCECBusDevice *device = GetDevice(command.initiator);
 204     if (device)
 205       device->SetCecVersion((cec_version) command.parameters[0]);
 206   }
 207
 208   return true;
 209 }
 210
 211 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 212 {
 213   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 214     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 215
 216   return true;
 217 }
 218
 219 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 220 {
 221   return SetVendorId(command);
 222 }
 223
 224 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 225 {
 226   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 227   {
 228     CCECBusDevice *device = GetDevice(command.destination);
 229     if (device)
 230       return device->TransmitCECVersion(command.initiator);
 231   }
 232
 233   return false;
 234 }
 235
 236 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 237 {
 238   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 239   {
 240     CCECBusDevice *device = GetDevice(command.destination);
 241     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 242       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 243   }
 244
 245   return false;
 246 }
 247
 248 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 249 {
 250   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 251   {
 252     CCECBusDevice *device = GetDevice(command.destination);
 253     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 254       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 255   }
 256
 257   return false;
 258 }
 259
 260 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 261 {
 262   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 263   {
 264     CCECBusDevice *device = GetDevice(command.destination);
 265     if (device)
 266       return device->TransmitPowerState(command.initiator);
 267   }
 268
 269   return false;
 270 }
 271
 272 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 273 {
 274   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 275   {
 276     CCECBusDevice *device = GetDevice(command.destination);
 277     if (device)
 278       return device->TransmitVendorID(command.initiator);
 279   }
 280
 281   return false;
 282 }
 283
 284 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 285 {
 286   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 287   {
 288     CCECBusDevice *device = GetDevice(command.destination);
 289     if (device)
 290       return device->TransmitOSDName(command.initiator);
 291   }
 292
 293   return false;
 294 }
 295
 296 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 297 {
 298   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 299   {
 300     CCECBusDevice *device = GetDevice(command.destination);
 301     if (device)
 302       return device->TransmitPhysicalAddress();
 303   }
 304
 305   return false;
 306 }
 307
 308 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 309 {
 310   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 311   {
 312     CCECBusDevice *device = GetDevice(command.destination);
 313     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 314       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 315   }
 316
 317   return false;
 318 }
 319
 320 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 321 {
 322   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 323   return true;
 324 }
 325
 326 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 327 {
 328   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 329   {
 330     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 331     {
 332       CCECBusDevice *device = GetDevice(command.destination);
 333       if (device)
 334         return device->TransmitMenuState(command.initiator);
 335     }
 336   }
 337
 338   return false;
 339 }
 340
 341 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 342 {
 343   if (command.parameters.size == 1)
 344   {
 345     CCECBusDevice *device = GetDevice(command.initiator);
 346     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 347     {
 348       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 349       return true;
 350     }
 351   }
 352   return false;
 353 }
 354
 355 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 356 {
 357   if (command.parameters.size == 3)
 358   {
 359     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 360     SetPhysicalAddress(command.initiator, iNewAddress);
 361   }
 362   return true;
 363 }
 364
 365 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 366 {
 367   if (command.parameters.size == 1)
 368   {
 369     CCECBusDevice *device = GetDevice(command.initiator);
 370     if (device)
 371       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 372   }
 373   return true;
 374 }
 375
 376 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 377 {
 378   if (m_processor->IsStarted())
 379   {
 380     CStdString strLog;
 381     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 382     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 383
 384     vector<CCECBusDevice *> devices;
 385     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 386       devices[iDevicePtr]->TransmitActiveSource();
 387
 388     return true;
 389   }
 390   return false;
 391 }
 392
 393 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 394 {
 395   if (command.parameters.size == 4)
 396   {
 397     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 398     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 399
 400     CCECBusDevice *device = GetDevice(command.initiator);
 401     if (device)
 402       device->SetStreamPath(iNewAddress, iOldAddress);
 403   }
 404   return true;
 405 }
 406
 407 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 408 {
 409   if (command.parameters.size == 2)
 410   {
 411     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 412     m_processor->SetActiveSource(iNewAddress);
 413   }
 414
 415   return false;
 416 }
 417
 418 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 419 {
 420   if (command.parameters.size == 3)
 421   {
 422     CCECBusDevice *device = GetDevice(command.initiator);
 423     if (device)
 424     {
 425       cec_menu_language language;
 426       language.device = command.initiator;
 427       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 428         language.language[iPtr] = command.parameters[iPtr];
 429       language.language[3] = 0;
 430       device->SetMenuLanguage(language);
 431       return true;
 432     }
 433   }
 434   return false;
 435 }
 436
 437 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 438 {
 439   if (command.parameters.size > 0)
 440   {
 441     CCECBusDevice *device = GetDevice(command.initiator);
 442     if (device)
 443     {
 444       char buf[1024];
 445       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 446         buf[iPtr] = (char)command.parameters[iPtr];
 447       buf[command.parameters.size] = 0;
 448
 449       CStdString strName(buf);
 450       device->SetOSDName(strName);
 451
 452       return true;
 453     }
 454   }
 455   return false;
 456 }
 457
 458 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 459 {
 460   if (m_processor->IsStarted() && command.parameters.size >= 2)
 461   {
 462     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 463     CStdString strLog;
 464     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 465     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 466
 467     /* one of the device handled by libCEC has been made active */
 468     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 469     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 470     {
 471       device->SetActiveSource();
 472       device->TransmitActiveSource();
 473     }
 474   }
 475   return false;
 476 }
 477
 478 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 479 {
 480   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 481   {
 482     CCECBusDevice *device = GetDevice(command.destination);
 483     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 484     {
 485       if (command.parameters.size >= 2)
 486       {
 487         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 488         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 489         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 490         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 491         if (newActiveDevice)
 492           newActiveDevice->SetActiveSource();
 493         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 494       }
 495       else
 496       {
 497         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 498         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 499       }
 500     }
 501   }
 502   return false;
 503 }
 504
 505 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 506 {
 507   CCECBusDevice *device = GetDevice(command.initiator);
 508   if (device)
 509     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 510
 511   return true;
 512 }
 513
 514 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 515 {
 516   if (command.parameters.size == 1)
 517   {
 518     CCECBusDevice *device = GetDevice(command.initiator);
 519     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 520     {
 521       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 522       return true;
 523     }
 524   }
 525
 526   return false;
 527 }
 528
 529 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 530 {
 531   if (command.parameters.size == 1)
 532   {
 533     CCECBusDevice *device = GetDevice(command.initiator);
 534     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 535     {
 536       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 537       return true;
 538     }
 539   }
 540
 541   return false;
 542 }
 543
 544 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 545 {
 546   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 547   return true;
 548 }
 549
 550 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 551 {
 552   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 553   {
 554     m_processor->AddKey();
 555
 556     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 557     {
 558       CStdString strLog;
 559       strLog.Format("key pressed: %x", command.parameters[0]);
 560       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 561
 562       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 563           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 564       {
 565         CCECBusDevice *device = GetDevice(command.destination);
 566         if (device)
 567         {
 568           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 569           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 570           {
 571             device->SetActiveSource();
 572             device->TransmitActiveSource();
 573
 574             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 575                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 576               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 577           }
 578         }
 579       }
 580
 581       m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 582       return true;
 583     }
 584   }
 585   return false;
 586 }
 587
 588 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 589 {
 590   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 591     m_processor->AddKey();
 592
 593   return true;
 594 }
 595
 596 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 597 {
 598   CStdString strLog;
 599   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 600   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 601 }
 602
 603 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 604 {
 605   unsigned int iReturn(0);
 606
 607   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 608   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 609   {
 610     if (addresses[iPtr])
 611     {
 612       devices.push_back(GetDevice((cec_logical_address) iPtr));
 613       ++iReturn;
 614     }
 615   }
 616
 617   return iReturn;
 618 }
 619
 620 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 621 {
 622   CCECBusDevice *device = NULL;
 623
 624   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 625     device = m_processor->m_busDevices[iLogicalAddress];
 626
 627   return device;
 628 }
 629
 630 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 631 {
 632   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 633 }
 634
 635 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 636 {
 637   return m_processor->GetDeviceByType(type);
 638 }
 639
 640 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 641 {
 642   bool bChanged(false);
 643   if (command.parameters.size < 3)
 644   {
 645     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 646     return bChanged;
 647   }
 648
 649   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 650                        ((uint64_t)command.parameters[1] << 8) +
 651                         (uint64_t)command.parameters[2];
 652
 653   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 654   if (device)
 655     bChanged = device->SetVendorId(iVendorId);
 656   return bChanged;
 657 }
 658
 659 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 660 {
 661   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 662   {
 663     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 664     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 665     if (bOurAddress)
 666     {
 667       /* another device reported the same physical address as ours
 668        * since we don't have physical address detection yet, we'll just use the
 669        * given address, increased by 0x100 for now */
 670       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 671     }
 672   }
 673 }
 674
 675 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 676 {
 677   CStdString strLog;
 678   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 679   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 680 }
 681
 682 bool CCECCommandHandler::HandleReceiveFailed(void)
 683 {
 684   /* default = error */
 685   return true;
 686 }
 687
 688 bool CCECCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 689 {
 690   cec_command command;
 691   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 692
 693   return Transmit(command);
 694 }
 695
 696 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 697 {
 698   cec_command command;
 699   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 700
 701   return Transmit(command);
 702 }
 703
 704 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 705 {
 706   cec_command command;
 707   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 708
 709   return Transmit(command);
 710 }
 711
 712 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 713 {
 714   cec_command command;
 715   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 716
 717   return Transmit(command);
 718 }
 719
 720 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 721 {
 722   cec_command command;
 723   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 724
 725   return Transmit(command);
 726 }
 727
 728 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 729 {
 730   cec_command command;
 731   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 732
 733   return Transmit(command);
 734 }
 735
 736 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 737 {
 738   cec_command command;
 739   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 740
 741   return Transmit(command);
 742 }
 743
 744 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 745 {
 746   cec_command command;
 747   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 748
 749   return Transmit(command);
 750 }
 751
 752 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 753 {
 754   cec_command command;
 755   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 756   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 757   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 758
 759   return Transmit(command);
 760 }
 761
 762 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 763 {
 764   cec_command command;
 765   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 766   command.parameters.PushBack((uint8_t)cecVersion);
 767
 768   return Transmit(command);
 769 }
 770
 771 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 772 {
 773   cec_command command;
 774   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 775   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 776   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 777
 778   return Transmit(command);
 779 }
 780
 781 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 782 {
 783   cec_command command;
 784   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 785   command.parameters.PushBack((uint8_t)menuState);
 786
 787   return Transmit(command);
 788 }
 789
 790 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 791 {
 792   cec_command command;
 793   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 794   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 795     command.parameters.PushBack(strDeviceName.at(iPtr));
 796
 797   return Transmit(command);
 798 }
 799
 800 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 801 {
 802   cec_command command;
 803   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 804   command.parameters.PushBack((uint8_t)duration);
 805
 806   unsigned int iLen = strlen(strMessage);
 807   if (iLen > 13) iLen = 13;
 808
 809   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 810     command.parameters.PushBack(strMessage[iPtr]);
 811
 812   return Transmit(command);
 813 }
 814
 815 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 816 {
 817   cec_command command;
 818   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 819   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 820   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 821   command.parameters.PushBack((uint8_t) (type));
 822
 823   return Transmit(command);
 824 }
 825
 826 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 827 {
 828   cec_command command;
 829   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 830
 831   return Transmit(command, false);
 832 }
 833
 834 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 835 {
 836   cec_command command;
 837   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 838   command.parameters.PushBack((uint8_t) state);
 839
 840   return Transmit(command);
 841 }
 842
 843 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 844 {
 845   cec_command command;
 846   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 847
 848   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 849   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 850   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 851
 852   return Transmit(command);
 853 }
 854
 855 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 856 {
 857   cec_command command;
 858   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 859   command.parameters.PushBack(state);
 860
 861   return Transmit(command);
 862 }
 863
 864 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 865 {
 866   cec_command command;
 867   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 868   command.parameters.PushBack((uint8_t)state);
 869
 870   return Transmit(command);
 871 }
 872
 873 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 874 {
 875   cec_command command;
 876   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 877   command.parameters.PushBack((uint8_t)state);
 878
 879   return Transmit(command);
 880 }
 881
 882 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 883 {
 884   cec_command command;
 885   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 886   command.PushBack((uint8_t)state);
 887
 888   return Transmit(command);
 889 }
 890
 891 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key)
 892 {
 893   cec_command command;
 894   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 895   command.parameters.PushBack((uint8_t)key);
 896
 897   return Transmit(command);
 898 }
 899
 900 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 901 {
 902   cec_command command;
 903   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 904
 905   return Transmit(command);
 906 }
 907
 908 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 909 {
 910   command.transmit_timeout = m_iTransmitTimeout;
 911
 912   CLockObject writeLock(&m_processor->m_transmitMutex);
 913   CLockObject receiveLock(&m_receiveMutex);
 914   if (m_processor->Transmit(command))
 915   {
 916     if (bExpectResponse)
 917       return m_condition.Wait(&m_receiveMutex, m_iTransmitWait);
 918     return true;
 919   }
 920
 921   return false;
 922 }