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     m_bHandlerInited(false)
  49 {
  50 }
  51
  52 CCECCommandHandler::~CCECCommandHandler(void)
  53 {
  54   m_condition.Broadcast();
  55 }
  56
  57 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  58 {
  59   bool bHandled(true), bHandlerChanged(false);
  60
  61   CStdString strLog;
  62   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);
  63   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  64
  65   m_processor->AddCommand(command);
  66
  67   switch(command.opcode)
  68   {
  69   case CEC_OPCODE_REPORT_POWER_STATUS:
  70     HandleReportPowerStatus(command);
  71     break;
  72   case CEC_OPCODE_CEC_VERSION:
  73     HandleDeviceCecVersion(command);
  74     break;
  75   case CEC_OPCODE_SET_MENU_LANGUAGE:
  76     HandleSetMenuLanguage(command);
  77     break;
  78   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  79     HandleGivePhysicalAddress(command);
  80     break;
  81   case CEC_OPCODE_GIVE_OSD_NAME:
  82      HandleGiveOSDName(command);
  83     break;
  84   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  85     HandleGiveDeviceVendorId(command);
  86     break;
  87   case CEC_OPCODE_DEVICE_VENDOR_ID:
  88     bHandlerChanged = HandleDeviceVendorId(command);
  89     break;
  90   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  91     HandleDeviceVendorCommandWithId(command);
  92     break;
  93   case CEC_OPCODE_GIVE_DECK_STATUS:
  94     HandleGiveDeckStatus(command);
  95     break;
  96   case CEC_OPCODE_DECK_CONTROL:
  97     HandleDeckControl(command);
  98     break;
  99   case CEC_OPCODE_MENU_REQUEST:
 100     HandleMenuRequest(command);
 101     break;
 102   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 103     HandleGiveDevicePowerStatus(command);
 104     break;
 105   case CEC_OPCODE_GET_CEC_VERSION:
 106     HandleGetCecVersion(command);
 107     break;
 108   case CEC_OPCODE_USER_CONTROL_PRESSED:
 109     HandleUserControlPressed(command);
 110     break;
 111   case CEC_OPCODE_USER_CONTROL_RELEASE:
 112     HandleUserControlRelease(command);
 113     break;
 114   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 115     HandleGiveAudioStatus(command);
 116     break;
 117   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 118     HandleGiveSystemAudioModeStatus(command);
 119     break;
 120   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 121     HandleSystemAudioModeRequest(command);
 122     break;
 123   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 124     HandleReportAudioStatus(command);
 125     break;
 126   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 127     HandleSystemAudioModeStatus(command);
 128     break;
 129   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 130     HandleSetSystemAudioMode(command);
 131     break;
 132   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 133     HandleRequestActiveSource(command);
 134     break;
 135   case CEC_OPCODE_SET_STREAM_PATH:
 136     HandleSetStreamPath(command);
 137     break;
 138   case CEC_OPCODE_ROUTING_CHANGE:
 139     HandleRoutingChange(command);
 140     break;
 141   case CEC_OPCODE_ROUTING_INFORMATION:
 142     HandleRoutingInformation(command);
 143     break;
 144   case CEC_OPCODE_STANDBY:
 145     HandleStandby(command);
 146     break;
 147   case CEC_OPCODE_ACTIVE_SOURCE:
 148     HandleActiveSource(command);
 149     break;
 150   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 151     HandleReportPhysicalAddress(command);
 152     break;
 153   case CEC_OPCODE_SET_OSD_NAME:
 154     HandleSetOSDName(command);
 155     break;
 156   case CEC_OPCODE_IMAGE_VIEW_ON:
 157     HandleImageViewOn(command);
 158     break;
 159   case CEC_OPCODE_TEXT_VIEW_ON:
 160     HandleTextViewOn(command);
 161     break;
 162   case CEC_OPCODE_FEATURE_ABORT:
 163     HandleFeatureAbort(command);
 164     break;
 165   default:
 166     UnhandledCommand(command);
 167     bHandled = false;
 168     break;
 169   }
 170
 171   if (bHandled && !bHandlerChanged)
 172   {
 173     CLockObject lock(&m_receiveMutex);
 174     m_condition.Signal();
 175   }
 176
 177   return bHandled;
 178 }
 179
 180 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 181 {
 182   if (command.parameters.size == 2)
 183   {
 184     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 185     return m_processor->SetActiveSource(iAddress);
 186   }
 187
 188   return true;
 189 }
 190
 191 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 192 {
 193   CCECBusDevice *device = GetDevice(command.destination);
 194   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 195   {
 196     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 197     return true;
 198   }
 199
 200   return false;
 201 }
 202
 203 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 204 {
 205   if (command.parameters.size == 1)
 206   {
 207     CCECBusDevice *device = GetDevice(command.initiator);
 208     if (device)
 209       device->SetCecVersion((cec_version) command.parameters[0]);
 210   }
 211
 212   return true;
 213 }
 214
 215 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 216 {
 217   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 218     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 219
 220   return true;
 221 }
 222
 223 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 224 {
 225   return SetVendorId(command);
 226 }
 227
 228 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 229 {
 230   if (command.parameters.size == 2)
 231   {
 232     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 233   }
 234 }
 235
 236 bool CCECCommandHandler::HandleGetCecVersion(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)
 242       return device->TransmitCECVersion(command.initiator);
 243   }
 244
 245   return false;
 246 }
 247
 248 bool CCECCommandHandler::HandleGiveAudioStatus(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_AUDIO_SYSTEM)
 254       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 255   }
 256
 257   return false;
 258 }
 259
 260 bool CCECCommandHandler::HandleGiveDeckStatus(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 && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 266       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 267   }
 268
 269   return false;
 270 }
 271
 272 bool CCECCommandHandler::HandleGiveDevicePowerStatus(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->TransmitPowerState(command.initiator);
 279   }
 280
 281   return false;
 282 }
 283
 284 bool CCECCommandHandler::HandleGiveDeviceVendorId(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->TransmitVendorID(command.initiator);
 291   }
 292
 293   return false;
 294 }
 295
 296 bool CCECCommandHandler::HandleGiveOSDName(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->TransmitOSDName(command.initiator);
 303   }
 304
 305   return false;
 306 }
 307
 308 bool CCECCommandHandler::HandleGivePhysicalAddress(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)
 314     {
 315       device->SetActiveSource();
 316       return device->TransmitPhysicalAddress() &&
 317           device->TransmitActiveSource();
 318     }
 319   }
 320
 321   return false;
 322 }
 323
 324 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 325 {
 326   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 327   {
 328     CCECBusDevice *device = GetDevice(command.destination);
 329     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 330       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 331   }
 332
 333   return false;
 334 }
 335
 336 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 337 {
 338   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 339   return true;
 340 }
 341
 342 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 343 {
 344   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 345   {
 346     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 347     {
 348       CCECBusDevice *device = GetDevice(command.destination);
 349       if (device)
 350         return device->TransmitMenuState(command.initiator);
 351     }
 352   }
 353
 354   return false;
 355 }
 356
 357 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 358 {
 359   if (command.parameters.size == 1)
 360   {
 361     CCECBusDevice *device = GetDevice(command.initiator);
 362     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 363     {
 364       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 365       return true;
 366     }
 367   }
 368   return false;
 369 }
 370
 371 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 372 {
 373   if (command.parameters.size == 3)
 374   {
 375     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 376     SetPhysicalAddress(command.initiator, iNewAddress);
 377   }
 378   return true;
 379 }
 380
 381 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 382 {
 383   if (command.parameters.size == 1)
 384   {
 385     CCECBusDevice *device = GetDevice(command.initiator);
 386     if (device)
 387       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 388   }
 389   return true;
 390 }
 391
 392 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 393 {
 394   if (m_processor->IsStarted())
 395   {
 396     CStdString strLog;
 397     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 398     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 399
 400     vector<CCECBusDevice *> devices;
 401     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 402       devices[iDevicePtr]->TransmitActiveSource();
 403
 404     return true;
 405   }
 406   return false;
 407 }
 408
 409 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 410 {
 411   if (command.parameters.size == 4)
 412   {
 413     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 414     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 415
 416     CCECBusDevice *device = GetDevice(command.initiator);
 417     if (device)
 418       device->SetStreamPath(iNewAddress, iOldAddress);
 419   }
 420   return true;
 421 }
 422
 423 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 424 {
 425   if (command.parameters.size == 2)
 426   {
 427     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 428     m_processor->SetActiveSource(iNewAddress);
 429   }
 430
 431   return false;
 432 }
 433
 434 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 435 {
 436   if (command.parameters.size == 3)
 437   {
 438     CCECBusDevice *device = GetDevice(command.initiator);
 439     if (device)
 440     {
 441       cec_menu_language language;
 442       language.device = command.initiator;
 443       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 444         language.language[iPtr] = command.parameters[iPtr];
 445       language.language[3] = 0;
 446       device->SetMenuLanguage(language);
 447       return true;
 448     }
 449   }
 450   return false;
 451 }
 452
 453 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 454 {
 455   if (command.parameters.size > 0)
 456   {
 457     CCECBusDevice *device = GetDevice(command.initiator);
 458     if (device)
 459     {
 460       char buf[1024];
 461       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 462         buf[iPtr] = (char)command.parameters[iPtr];
 463       buf[command.parameters.size] = 0;
 464
 465       CStdString strName(buf);
 466       device->SetOSDName(strName);
 467
 468       return true;
 469     }
 470   }
 471   return false;
 472 }
 473
 474 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 475 {
 476   if (m_processor->IsStarted() && command.parameters.size >= 2)
 477   {
 478     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 479     CStdString strLog;
 480     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 481     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 482
 483     /* one of the device handled by libCEC has been made active */
 484     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 485     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 486     {
 487       device->SetActiveSource();
 488       device->TransmitActiveSource();
 489     }
 490   }
 491   return false;
 492 }
 493
 494 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 495 {
 496   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 497   {
 498     CCECBusDevice *device = GetDevice(command.destination);
 499     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 500     {
 501       if (command.parameters.size >= 2)
 502       {
 503         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 504         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 505         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 506         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 507         if (newActiveDevice)
 508           newActiveDevice->SetActiveSource();
 509         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 510       }
 511       else
 512       {
 513         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 514         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 515       }
 516     }
 517   }
 518   return false;
 519 }
 520
 521 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 522 {
 523   CCECBusDevice *device = GetDevice(command.initiator);
 524   if (device)
 525     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 526
 527   return true;
 528 }
 529
 530 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 531 {
 532   if (command.parameters.size == 1)
 533   {
 534     CCECBusDevice *device = GetDevice(command.initiator);
 535     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 536     {
 537       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 538       return true;
 539     }
 540   }
 541
 542   return false;
 543 }
 544
 545 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 546 {
 547   if (command.parameters.size == 1)
 548   {
 549     CCECBusDevice *device = GetDevice(command.initiator);
 550     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 551     {
 552       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 553       return true;
 554     }
 555   }
 556
 557   return false;
 558 }
 559
 560 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 561 {
 562   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 563   return true;
 564 }
 565
 566 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 567 {
 568   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 569   {
 570     m_processor->AddKey();
 571
 572     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 573     {
 574       CStdString strLog;
 575       strLog.Format("key pressed: %x", command.parameters[0]);
 576       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 577
 578       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 579           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 580       {
 581         CCECBusDevice *device = GetDevice(command.destination);
 582         if (device)
 583         {
 584           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 585           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 586           {
 587             device->SetActiveSource();
 588             device->TransmitActiveSource();
 589
 590             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 591                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 592               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 593           }
 594         }
 595       }
 596       else
 597       {
 598         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 599       }
 600       return true;
 601     }
 602   }
 603   return false;
 604 }
 605
 606 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 607 {
 608   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 609     m_processor->AddKey();
 610
 611   return true;
 612 }
 613
 614 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 615 {
 616   CStdString strLog;
 617   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 618   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 619 }
 620
 621 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 622 {
 623   unsigned int iReturn(0);
 624
 625   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 626   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 627   {
 628     if (addresses[iPtr])
 629     {
 630       devices.push_back(GetDevice((cec_logical_address) iPtr));
 631       ++iReturn;
 632     }
 633   }
 634
 635   return iReturn;
 636 }
 637
 638 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 639 {
 640   CCECBusDevice *device = NULL;
 641
 642   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 643     device = m_processor->m_busDevices[iLogicalAddress];
 644
 645   return device;
 646 }
 647
 648 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 649 {
 650   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 651 }
 652
 653 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 654 {
 655   return m_processor->GetDeviceByType(type);
 656 }
 657
 658 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 659 {
 660   bool bChanged(false);
 661   if (command.parameters.size < 3)
 662   {
 663     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 664     return bChanged;
 665   }
 666
 667   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 668                        ((uint64_t)command.parameters[1] << 8) +
 669                         (uint64_t)command.parameters[2];
 670
 671   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 672   if (device)
 673     bChanged = device->SetVendorId(iVendorId);
 674   return bChanged;
 675 }
 676
 677 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 678 {
 679   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 680   {
 681     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 682     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 683     if (bOurAddress)
 684     {
 685       /* another device reported the same physical address as ours
 686        * since we don't have physical address detection yet, we'll just use the
 687        * given address, increased by 0x100 for now */
 688       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 689     }
 690   }
 691 }
 692
 693 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 694 {
 695   CStdString strLog;
 696   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 697   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 698 }
 699
 700 bool CCECCommandHandler::HandleReceiveFailed(void)
 701 {
 702   /* default = error */
 703   return true;
 704 }
 705
 706 bool CCECCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 707 {
 708   cec_command command;
 709   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 710
 711   return Transmit(command);
 712 }
 713
 714 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 715 {
 716   cec_command command;
 717   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 718
 719   return Transmit(command);
 720 }
 721
 722 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 723 {
 724   cec_command command;
 725   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 726
 727   return Transmit(command);
 728 }
 729
 730 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 731 {
 732   cec_command command;
 733   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 734
 735   return Transmit(command);
 736 }
 737
 738 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 739 {
 740   cec_command command;
 741   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 742
 743   return Transmit(command);
 744 }
 745
 746 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 747 {
 748   cec_command command;
 749   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 750
 751   return Transmit(command);
 752 }
 753
 754 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 755 {
 756   cec_command command;
 757   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 758
 759   return Transmit(command);
 760 }
 761
 762 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 763 {
 764   cec_command command;
 765   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 766
 767   return Transmit(command);
 768 }
 769
 770 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 771 {
 772   cec_command command;
 773   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 774   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 775   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 776
 777   return Transmit(command);
 778 }
 779
 780 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 781 {
 782   cec_command command;
 783   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 784   command.parameters.PushBack((uint8_t)cecVersion);
 785
 786   return Transmit(command);
 787 }
 788
 789 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 790 {
 791   cec_command command;
 792   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 793   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 794   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 795
 796   return Transmit(command);
 797 }
 798
 799 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 800 {
 801   cec_command command;
 802   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 803   command.parameters.PushBack((uint8_t)menuState);
 804
 805   return Transmit(command);
 806 }
 807
 808 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 809 {
 810   cec_command command;
 811   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 812   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 813     command.parameters.PushBack(strDeviceName.at(iPtr));
 814
 815   return Transmit(command);
 816 }
 817
 818 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 819 {
 820   cec_command command;
 821   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 822   command.parameters.PushBack((uint8_t)duration);
 823
 824   unsigned int iLen = strlen(strMessage);
 825   if (iLen > 13) iLen = 13;
 826
 827   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 828     command.parameters.PushBack(strMessage[iPtr]);
 829
 830   return Transmit(command);
 831 }
 832
 833 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 834 {
 835   cec_command command;
 836   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 837   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 838   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 839   command.parameters.PushBack((uint8_t) (type));
 840
 841   return Transmit(command);
 842 }
 843
 844 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 845 {
 846   cec_command command;
 847   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 848
 849   return Transmit(command, false);
 850 }
 851
 852 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 853 {
 854   cec_command command;
 855   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 856   command.parameters.PushBack((uint8_t) state);
 857
 858   return Transmit(command);
 859 }
 860
 861 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 862 {
 863   cec_command command;
 864   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 865
 866   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 867   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 868   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 869
 870   return Transmit(command);
 871 }
 872
 873 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 874 {
 875   cec_command command;
 876   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 877   command.parameters.PushBack(state);
 878
 879   return Transmit(command);
 880 }
 881
 882 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 883 {
 884   cec_command command;
 885   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 886   command.parameters.PushBack((uint8_t)state);
 887
 888   return Transmit(command);
 889 }
 890
 891 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 892 {
 893   cec_command command;
 894   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 895   command.parameters.PushBack((uint8_t)state);
 896
 897   return Transmit(command);
 898 }
 899
 900 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 901 {
 902   cec_command command;
 903   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 904   command.PushBack((uint8_t)state);
 905
 906   return Transmit(command);
 907 }
 908
 909 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 910 {
 911   cec_command command;
 912   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 913   command.parameters.PushBack((uint8_t)key);
 914
 915   return Transmit(command, bWait);
 916 }
 917
 918 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 919 {
 920   cec_command command;
 921   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 922
 923   return Transmit(command, bWait);
 924 }
 925
 926 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 927 {
 928   command.transmit_timeout = m_iTransmitTimeout;
 929
 930   CLockObject writeLock(&m_processor->m_transmitMutex);
 931   CLockObject receiveLock(&m_receiveMutex);
 932   if (m_processor->Transmit(command))
 933   {
 934     if (bExpectResponse)
 935       return m_condition.Wait(&m_receiveMutex, m_iTransmitWait);
 936     return true;
 937   }
 938
 939   return false;
 940 }
 941
 942 bool CCECCommandHandler::InitHandler(void)
 943 {
 944   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 945   {
 946     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 947     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 948     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 949
 950     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 951     {
 952       m_processor->SetActiveSource();
 953       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 954       m_bHandlerInited = true;
 955     }
 956   }
 957   return true;
 958 }