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_processor->m_transmitMutex);
 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->SetStreamPath(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_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_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_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_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_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_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_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_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_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->SetActiveSource(command.initiator);
 323   return true;
 324 }
 325
 326 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 327 {
 328   if (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   CStdString strLog;
 379   strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 380   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 381
 382   vector<CCECBusDevice *> devices;
 383   for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 384     devices[iDevicePtr]->TransmitActiveSource();
 385
 386   return true;
 387 }
 388
 389 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 390 {
 391   if (command.parameters.size == 4)
 392   {
 393     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 394     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 395
 396     CCECBusDevice *device = GetDevice(command.initiator);
 397     if (device)
 398       device->SetStreamPath(iNewAddress, iOldAddress);
 399   }
 400   return true;
 401 }
 402
 403 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 404 {
 405   if (command.parameters.size == 2)
 406   {
 407     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 408     m_processor->SetStreamPath(iNewAddress);
 409   }
 410
 411   return false;
 412 }
 413
 414 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 415 {
 416   if (command.parameters.size == 3)
 417   {
 418     CCECBusDevice *device = GetDevice(command.initiator);
 419     if (device)
 420     {
 421       cec_menu_language language;
 422       language.device = command.initiator;
 423       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 424         language.language[iPtr] = command.parameters[iPtr];
 425       language.language[3] = 0;
 426       device->SetMenuLanguage(language);
 427       return true;
 428     }
 429   }
 430   return false;
 431 }
 432
 433 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 434 {
 435   if (command.parameters.size > 0)
 436   {
 437     CCECBusDevice *device = GetDevice(command.initiator);
 438     if (device)
 439     {
 440       char buf[1024];
 441       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 442         buf[iPtr] = (char)command.parameters[iPtr];
 443       buf[command.parameters.size] = 0;
 444
 445       CStdString strName(buf);
 446       device->SetOSDName(strName);
 447
 448       return true;
 449     }
 450   }
 451   return false;
 452 }
 453
 454 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 455 {
 456   if (command.parameters.size >= 2)
 457   {
 458     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 459     CStdString strLog;
 460     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 461     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 462
 463     if (m_processor->SetStreamPath(iStreamAddress))
 464     {
 465       CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 466       if (device)
 467       {
 468         return device->TransmitActiveSource() &&
 469             device->TransmitMenuState(command.initiator);
 470       }
 471     }
 472   }
 473   return false;
 474 }
 475
 476 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 477 {
 478   if (m_busDevice->MyLogicalAddressContains(command.destination))
 479   {
 480     CCECBusDevice *device = GetDevice(command.destination);
 481     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 482     {
 483       if (command.parameters.size >= 2)
 484       {
 485         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 486         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 487         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 488         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 489         if (newActiveDevice)
 490           m_processor->SetActiveSource(newActiveDevice->GetLogicalAddress());
 491         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 492       }
 493       else
 494       {
 495         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 496         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 497       }
 498     }
 499   }
 500   return false;
 501 }
 502
 503 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 504 {
 505   CCECBusDevice *device = GetDevice(command.initiator);
 506   if (device)
 507     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 508
 509   return true;
 510 }
 511
 512 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 513 {
 514   if (command.parameters.size == 1)
 515   {
 516     CCECBusDevice *device = GetDevice(command.initiator);
 517     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 518     {
 519       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 520       return true;
 521     }
 522   }
 523
 524   return false;
 525 }
 526
 527 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 528 {
 529   if (command.parameters.size == 1)
 530   {
 531     CCECBusDevice *device = GetDevice(command.initiator);
 532     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 533     {
 534       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 535       return true;
 536     }
 537   }
 538
 539   return false;
 540 }
 541
 542 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 543 {
 544   m_processor->SetActiveSource(command.initiator);
 545   return true;
 546 }
 547
 548 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 549 {
 550   if (m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 551   {
 552     m_processor->AddKey();
 553
 554     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 555     {
 556       CStdString strLog;
 557       strLog.Format("key pressed: %x", command.parameters[0]);
 558       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 559
 560       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 561           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 562       {
 563         CCECBusDevice *device = GetDevice(command.destination);
 564         if (device)
 565           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 566       }
 567
 568       m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 569       return true;
 570     }
 571   }
 572   return false;
 573 }
 574
 575 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 576 {
 577   if (m_busDevice->MyLogicalAddressContains(command.destination))
 578     m_processor->AddKey();
 579
 580   return true;
 581 }
 582
 583 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 584 {
 585   CStdString strLog;
 586   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 587   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 588 }
 589
 590 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 591 {
 592   unsigned int iReturn(0);
 593
 594   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 595   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 596   {
 597     if (addresses[iPtr])
 598     {
 599       devices.push_back(GetDevice((cec_logical_address) iPtr));
 600       ++iReturn;
 601     }
 602   }
 603
 604   return iReturn;
 605 }
 606
 607 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 608 {
 609   CCECBusDevice *device = NULL;
 610
 611   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 612     device = m_processor->m_busDevices[iLogicalAddress];
 613
 614   return device;
 615 }
 616
 617 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 618 {
 619   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 620 }
 621
 622 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 623 {
 624   return m_processor->GetDeviceByType(type);
 625 }
 626
 627 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 628 {
 629   bool bChanged(false);
 630   if (command.parameters.size < 3)
 631   {
 632     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 633     return bChanged;
 634   }
 635
 636   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 637                        ((uint64_t)command.parameters[1] << 8) +
 638                         (uint64_t)command.parameters[2];
 639
 640   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 641   if (device)
 642     bChanged = device->SetVendorId(iVendorId);
 643   return bChanged;
 644 }
 645
 646 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 647 {
 648   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 649   {
 650     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 651     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 652     if (bOurAddress)
 653     {
 654       /* another device reported the same physical address as ours
 655        * since we don't have physical address detection yet, we'll just use the
 656        * given address, increased by 0x100 for now */
 657       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 658     }
 659   }
 660 }
 661
 662 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 663 {
 664   CStdString strLog;
 665   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 666   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 667 }
 668
 669 bool CCECCommandHandler::HandleReceiveFailed(void)
 670 {
 671   /* default = error */
 672   return true;
 673 }
 674
 675 bool CCECCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 676 {
 677   cec_command command;
 678   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 679
 680   return Transmit(command);
 681 }
 682
 683 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 684 {
 685   cec_command command;
 686   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 687
 688   return Transmit(command);
 689 }
 690
 691 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 692 {
 693   cec_command command;
 694   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 695
 696   return Transmit(command);
 697 }
 698
 699 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 700 {
 701   cec_command command;
 702   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 703
 704   return Transmit(command);
 705 }
 706
 707 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 708 {
 709   cec_command command;
 710   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 711
 712   return Transmit(command);
 713 }
 714
 715 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 716 {
 717   cec_command command;
 718   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 719
 720   return Transmit(command);
 721 }
 722
 723 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 724 {
 725   cec_command command;
 726   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 727
 728   return Transmit(command);
 729 }
 730
 731 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 732 {
 733   cec_command command;
 734   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 735
 736   return Transmit(command);
 737 }
 738
 739 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 740 {
 741   cec_command command;
 742   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 743   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 744   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 745
 746   return Transmit(command);
 747 }
 748
 749 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 750 {
 751   cec_command command;
 752   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 753   command.parameters.PushBack((uint8_t)cecVersion);
 754
 755   return Transmit(command);
 756 }
 757
 758 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 759 {
 760   cec_command command;
 761   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 762   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 763   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 764
 765   return Transmit(command);
 766 }
 767
 768 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 769 {
 770   cec_command command;
 771   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 772   command.parameters.PushBack((uint8_t)menuState);
 773
 774   return Transmit(command);
 775 }
 776
 777 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 778 {
 779   cec_command command;
 780   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 781   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 782     command.parameters.PushBack(strDeviceName.at(iPtr));
 783
 784   return Transmit(command);
 785 }
 786
 787 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 788 {
 789   cec_command command;
 790   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 791   command.parameters.PushBack((uint8_t)duration);
 792
 793   unsigned int iLen = strlen(strMessage);
 794   if (iLen > 13) iLen = 13;
 795
 796   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 797     command.parameters.PushBack(strMessage[iPtr]);
 798
 799   return Transmit(command);
 800 }
 801
 802 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 803 {
 804   cec_command command;
 805   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 806   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 807   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 808   command.parameters.PushBack((uint8_t) (type));
 809
 810   return Transmit(command);
 811 }
 812
 813 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 814 {
 815   cec_command command;
 816   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 817
 818   return Transmit(command, false);
 819 }
 820
 821 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 822 {
 823   cec_command command;
 824   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 825   command.parameters.PushBack((uint8_t) state);
 826
 827   return Transmit(command);
 828 }
 829
 830 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 831 {
 832   cec_command command;
 833   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 834
 835   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 836   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 837   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 838
 839   return Transmit(command);
 840 }
 841
 842 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 843 {
 844   cec_command command;
 845   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 846   command.parameters.PushBack(state);
 847
 848   return Transmit(command);
 849 }
 850
 851 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 852 {
 853   cec_command command;
 854   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 855   command.parameters.PushBack((uint8_t)state);
 856
 857   return Transmit(command);
 858 }
 859
 860 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 861 {
 862   cec_command command;
 863   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 864   command.parameters.PushBack((uint8_t)state);
 865
 866   return Transmit(command);
 867 }
 868
 869 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 870 {
 871   cec_command command;
 872   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 873   command.PushBack((uint8_t)state);
 874
 875   return Transmit(command);
 876 }
 877
 878 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key)
 879 {
 880   cec_command command;
 881   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 882   command.parameters.PushBack((uint8_t)key);
 883
 884   return Transmit(command);
 885 }
 886
 887 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 888 {
 889   cec_command command;
 890   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 891
 892   return Transmit(command);
 893 }
 894
 895 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 896 {
 897   command.transmit_timeout = m_iTransmitTimeout;
 898   if (command.retries == CEC_DEFAULT_TRANSMIT_RETRIES)
 899     command.retries = m_iTransmitRetries;
 900
 901   CLockObject writeLock(&m_processor->m_transmitMutex);
 902   if (m_processor->Transmit(command))
 903   {
 904     if (bExpectResponse)
 905       return m_condition.Wait(&m_processor->m_transmitMutex, m_iTransmitWait);
 906     return true;
 907   }
 908
 909   return false;
 910 }