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   case CEC_OPCODE_FEATURE_ABORT:
 162     HandleFeatureAbort(command);
 163     break;
 164   default:
 165     UnhandledCommand(command);
 166     bHandled = false;
 167     break;
 168   }
 169
 170   if (bHandled && !bHandlerChanged)
 171   {
 172     CLockObject lock(&m_receiveMutex);
 173     m_condition.Signal();
 174   }
 175
 176   return bHandled;
 177 }
 178
 179 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 180 {
 181   if (command.parameters.size == 2)
 182   {
 183     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 184     return m_processor->SetActiveSource(iAddress);
 185   }
 186
 187   return true;
 188 }
 189
 190 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 191 {
 192   CCECBusDevice *device = GetDevice(command.destination);
 193   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 194   {
 195     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 196     return true;
 197   }
 198
 199   return false;
 200 }
 201
 202 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 203 {
 204   if (command.parameters.size == 1)
 205   {
 206     CCECBusDevice *device = GetDevice(command.initiator);
 207     if (device)
 208       device->SetCecVersion((cec_version) command.parameters[0]);
 209   }
 210
 211   return true;
 212 }
 213
 214 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 215 {
 216   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 217     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 218
 219   return true;
 220 }
 221
 222 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 223 {
 224   return SetVendorId(command);
 225 }
 226
 227 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 228 {
 229   if (command.parameters.size == 2)
 230   {
 231     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 232   }
 233 }
 234
 235 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 236 {
 237   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 238   {
 239     CCECBusDevice *device = GetDevice(command.destination);
 240     if (device)
 241       return device->TransmitCECVersion(command.initiator);
 242   }
 243
 244   return false;
 245 }
 246
 247 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 248 {
 249   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 250   {
 251     CCECBusDevice *device = GetDevice(command.destination);
 252     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 253       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 254   }
 255
 256   return false;
 257 }
 258
 259 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 260 {
 261   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 262   {
 263     CCECBusDevice *device = GetDevice(command.destination);
 264     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 265       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 266   }
 267
 268   return false;
 269 }
 270
 271 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 272 {
 273   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 274   {
 275     CCECBusDevice *device = GetDevice(command.destination);
 276     if (device)
 277       return device->TransmitPowerState(command.initiator);
 278   }
 279
 280   return false;
 281 }
 282
 283 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 284 {
 285   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 286   {
 287     CCECBusDevice *device = GetDevice(command.destination);
 288     if (device)
 289       return device->TransmitVendorID(command.initiator);
 290   }
 291
 292   return false;
 293 }
 294
 295 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 296 {
 297   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 298   {
 299     CCECBusDevice *device = GetDevice(command.destination);
 300     if (device)
 301       return device->TransmitOSDName(command.initiator);
 302   }
 303
 304   return false;
 305 }
 306
 307 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 308 {
 309   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 310   {
 311     CCECBusDevice *device = GetDevice(command.destination);
 312     if (device)
 313     {
 314       device->SetActiveSource();
 315       return device->TransmitPhysicalAddress() &&
 316           device->TransmitActiveSource();
 317     }
 318   }
 319
 320   return false;
 321 }
 322
 323 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 324 {
 325   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 326   {
 327     CCECBusDevice *device = GetDevice(command.destination);
 328     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 329       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 330   }
 331
 332   return false;
 333 }
 334
 335 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 336 {
 337   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 338   return true;
 339 }
 340
 341 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 342 {
 343   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 344   {
 345     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 346     {
 347       CCECBusDevice *device = GetDevice(command.destination);
 348       if (device)
 349         return device->TransmitMenuState(command.initiator);
 350     }
 351   }
 352
 353   return false;
 354 }
 355
 356 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 357 {
 358   if (command.parameters.size == 1)
 359   {
 360     CCECBusDevice *device = GetDevice(command.initiator);
 361     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 362     {
 363       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 364       return true;
 365     }
 366   }
 367   return false;
 368 }
 369
 370 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 371 {
 372   if (command.parameters.size == 3)
 373   {
 374     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 375     SetPhysicalAddress(command.initiator, iNewAddress);
 376   }
 377   return true;
 378 }
 379
 380 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 381 {
 382   if (command.parameters.size == 1)
 383   {
 384     CCECBusDevice *device = GetDevice(command.initiator);
 385     if (device)
 386       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 387   }
 388   return true;
 389 }
 390
 391 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 392 {
 393   if (m_processor->IsStarted())
 394   {
 395     CStdString strLog;
 396     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 397     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 398
 399     vector<CCECBusDevice *> devices;
 400     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 401       devices[iDevicePtr]->TransmitActiveSource();
 402
 403     return true;
 404   }
 405   return false;
 406 }
 407
 408 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 409 {
 410   if (command.parameters.size == 4)
 411   {
 412     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 413     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 414
 415     CCECBusDevice *device = GetDevice(command.initiator);
 416     if (device)
 417       device->SetStreamPath(iNewAddress, iOldAddress);
 418   }
 419   return true;
 420 }
 421
 422 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 423 {
 424   if (command.parameters.size == 2)
 425   {
 426     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 427     m_processor->SetActiveSource(iNewAddress);
 428   }
 429
 430   return false;
 431 }
 432
 433 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 434 {
 435   if (command.parameters.size == 3)
 436   {
 437     CCECBusDevice *device = GetDevice(command.initiator);
 438     if (device)
 439     {
 440       cec_menu_language language;
 441       language.device = command.initiator;
 442       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 443         language.language[iPtr] = command.parameters[iPtr];
 444       language.language[3] = 0;
 445       device->SetMenuLanguage(language);
 446       return true;
 447     }
 448   }
 449   return false;
 450 }
 451
 452 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 453 {
 454   if (command.parameters.size > 0)
 455   {
 456     CCECBusDevice *device = GetDevice(command.initiator);
 457     if (device)
 458     {
 459       char buf[1024];
 460       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 461         buf[iPtr] = (char)command.parameters[iPtr];
 462       buf[command.parameters.size] = 0;
 463
 464       CStdString strName(buf);
 465       device->SetOSDName(strName);
 466
 467       return true;
 468     }
 469   }
 470   return false;
 471 }
 472
 473 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 474 {
 475   if (m_processor->IsStarted() && command.parameters.size >= 2)
 476   {
 477     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 478     CStdString strLog;
 479     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 480     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 481
 482     /* one of the device handled by libCEC has been made active */
 483     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 484     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 485     {
 486       device->SetActiveSource();
 487       device->TransmitActiveSource();
 488     }
 489   }
 490   return false;
 491 }
 492
 493 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 494 {
 495   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 496   {
 497     CCECBusDevice *device = GetDevice(command.destination);
 498     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 499     {
 500       if (command.parameters.size >= 2)
 501       {
 502         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 503         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 504         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 505         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 506         if (newActiveDevice)
 507           newActiveDevice->SetActiveSource();
 508         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 509       }
 510       else
 511       {
 512         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 513         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 514       }
 515     }
 516   }
 517   return false;
 518 }
 519
 520 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 521 {
 522   CCECBusDevice *device = GetDevice(command.initiator);
 523   if (device)
 524     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 525
 526   return true;
 527 }
 528
 529 bool CCECCommandHandler::HandleSystemAudioModeStatus(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::HandleSetSystemAudioMode(const cec_command &command)
 545 {
 546   if (command.parameters.size == 1)
 547   {
 548     CCECBusDevice *device = GetDevice(command.initiator);
 549     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 550     {
 551       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 552       return true;
 553     }
 554   }
 555
 556   return false;
 557 }
 558
 559 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 560 {
 561   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 562   return true;
 563 }
 564
 565 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 566 {
 567   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 568   {
 569     m_processor->AddKey();
 570
 571     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 572     {
 573       CStdString strLog;
 574       strLog.Format("key pressed: %x", command.parameters[0]);
 575       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 576
 577       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 578           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 579       {
 580         CCECBusDevice *device = GetDevice(command.destination);
 581         if (device)
 582         {
 583           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 584           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 585           {
 586             device->SetActiveSource();
 587             device->TransmitActiveSource();
 588
 589             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 590                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 591               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 592           }
 593         }
 594       }
 595       else
 596       {
 597         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 598       }
 599       return true;
 600     }
 601   }
 602   return false;
 603 }
 604
 605 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 606 {
 607   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 608     m_processor->AddKey();
 609
 610   return true;
 611 }
 612
 613 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 614 {
 615   CStdString strLog;
 616   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 617   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 618 }
 619
 620 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 621 {
 622   unsigned int iReturn(0);
 623
 624   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 625   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 626   {
 627     if (addresses[iPtr])
 628     {
 629       devices.push_back(GetDevice((cec_logical_address) iPtr));
 630       ++iReturn;
 631     }
 632   }
 633
 634   return iReturn;
 635 }
 636
 637 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 638 {
 639   CCECBusDevice *device = NULL;
 640
 641   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 642     device = m_processor->m_busDevices[iLogicalAddress];
 643
 644   return device;
 645 }
 646
 647 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 648 {
 649   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 650 }
 651
 652 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 653 {
 654   return m_processor->GetDeviceByType(type);
 655 }
 656
 657 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 658 {
 659   bool bChanged(false);
 660   if (command.parameters.size < 3)
 661   {
 662     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 663     return bChanged;
 664   }
 665
 666   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 667                        ((uint64_t)command.parameters[1] << 8) +
 668                         (uint64_t)command.parameters[2];
 669
 670   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 671   if (device)
 672     bChanged = device->SetVendorId(iVendorId);
 673   return bChanged;
 674 }
 675
 676 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 677 {
 678   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 679   {
 680     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 681     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 682     if (bOurAddress)
 683     {
 684       /* another device reported the same physical address as ours
 685        * since we don't have physical address detection yet, we'll just use the
 686        * given address, increased by 0x100 for now */
 687       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 688     }
 689   }
 690 }
 691
 692 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 693 {
 694   CStdString strLog;
 695   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 696   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 697 }
 698
 699 bool CCECCommandHandler::HandleReceiveFailed(void)
 700 {
 701   /* default = error */
 702   return true;
 703 }
 704
 705 bool CCECCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 706 {
 707   cec_command command;
 708   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 709
 710   return Transmit(command);
 711 }
 712
 713 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 714 {
 715   cec_command command;
 716   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 717
 718   return Transmit(command);
 719 }
 720
 721 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 722 {
 723   cec_command command;
 724   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 725
 726   return Transmit(command);
 727 }
 728
 729 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 730 {
 731   cec_command command;
 732   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 733
 734   return Transmit(command);
 735 }
 736
 737 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 738 {
 739   cec_command command;
 740   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 741
 742   return Transmit(command);
 743 }
 744
 745 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 746 {
 747   cec_command command;
 748   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 749
 750   return Transmit(command);
 751 }
 752
 753 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 754 {
 755   cec_command command;
 756   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 757
 758   return Transmit(command);
 759 }
 760
 761 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 762 {
 763   cec_command command;
 764   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 765
 766   return Transmit(command);
 767 }
 768
 769 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 770 {
 771   cec_command command;
 772   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 773   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 774   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 775
 776   return Transmit(command);
 777 }
 778
 779 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 780 {
 781   cec_command command;
 782   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 783   command.parameters.PushBack((uint8_t)cecVersion);
 784
 785   return Transmit(command);
 786 }
 787
 788 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 789 {
 790   cec_command command;
 791   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 792   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 793   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 794
 795   return Transmit(command);
 796 }
 797
 798 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 799 {
 800   cec_command command;
 801   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 802   command.parameters.PushBack((uint8_t)menuState);
 803
 804   return Transmit(command);
 805 }
 806
 807 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 808 {
 809   cec_command command;
 810   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 811   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 812     command.parameters.PushBack(strDeviceName.at(iPtr));
 813
 814   return Transmit(command);
 815 }
 816
 817 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 818 {
 819   cec_command command;
 820   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 821   command.parameters.PushBack((uint8_t)duration);
 822
 823   unsigned int iLen = strlen(strMessage);
 824   if (iLen > 13) iLen = 13;
 825
 826   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 827     command.parameters.PushBack(strMessage[iPtr]);
 828
 829   return Transmit(command);
 830 }
 831
 832 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 833 {
 834   cec_command command;
 835   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 836   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 837   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 838   command.parameters.PushBack((uint8_t) (type));
 839
 840   return Transmit(command);
 841 }
 842
 843 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 844 {
 845   cec_command command;
 846   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 847
 848   return Transmit(command, false);
 849 }
 850
 851 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 852 {
 853   cec_command command;
 854   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 855   command.parameters.PushBack((uint8_t) state);
 856
 857   return Transmit(command);
 858 }
 859
 860 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 861 {
 862   cec_command command;
 863   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 864
 865   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 866   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 867   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 868
 869   return Transmit(command);
 870 }
 871
 872 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 873 {
 874   cec_command command;
 875   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 876   command.parameters.PushBack(state);
 877
 878   return Transmit(command);
 879 }
 880
 881 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 882 {
 883   cec_command command;
 884   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 885   command.parameters.PushBack((uint8_t)state);
 886
 887   return Transmit(command);
 888 }
 889
 890 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 891 {
 892   cec_command command;
 893   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 894   command.parameters.PushBack((uint8_t)state);
 895
 896   return Transmit(command);
 897 }
 898
 899 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 900 {
 901   cec_command command;
 902   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 903   command.PushBack((uint8_t)state);
 904
 905   return Transmit(command);
 906 }
 907
 908 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 909 {
 910   cec_command command;
 911   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 912   command.parameters.PushBack((uint8_t)key);
 913
 914   return Transmit(command, bWait);
 915 }
 916
 917 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 918 {
 919   cec_command command;
 920   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 921
 922   return Transmit(command, bWait);
 923 }
 924
 925 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 926 {
 927   command.transmit_timeout = m_iTransmitTimeout;
 928
 929   CLockObject writeLock(&m_processor->m_transmitMutex);
 930   CLockObject receiveLock(&m_receiveMutex);
 931   if (m_processor->Transmit(command))
 932   {
 933     if (bExpectResponse)
 934       return m_condition.Wait(&m_receiveMutex, m_iTransmitWait);
 935     return true;
 936   }
 937
 938   return false;
 939 }
 940
 941 bool CCECCommandHandler::InitHandler(void)
 942 {
 943   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 944   {
 945     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 946     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 947     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 948
 949     m_processor->SetActiveSource();
 950     primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 951   }
 952   return true;
 953 }