src/lib/implementations/CECCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "CECCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../devices/CECAudioSystem.h"
  36 #include "../devices/CECPlaybackDevice.h"
  37 #include "../CECProcessor.h"
  38
  39 using namespace CEC;
  40 using namespace std;
  41
  42 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
  43     m_busDevice(busDevice),
  44     m_processor(m_busDevice->GetProcessor()),
  45     m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
  46     m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
  47     m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES)
  48 {
  49 }
  50
  51 CCECCommandHandler::~CCECCommandHandler(void)
  52 {
  53   m_condition.Broadcast();
  54 }
  55
  56 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  57 {
  58   bool bHandled(true), bHandlerChanged(false);
  59
  60   CStdString strLog;
  61   strLog.Format(">> %s (%X) -> %s (%X): %s (%2X)", m_processor->ToString(command.initiator), command.initiator, m_processor->ToString(command.destination), command.destination, m_processor->ToString(command.opcode), command.opcode);
  62   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  63
  64   m_processor->AddCommand(command);
  65
  66   switch(command.opcode)
  67   {
  68   case CEC_OPCODE_REPORT_POWER_STATUS:
  69     HandleReportPowerStatus(command);
  70     break;
  71   case CEC_OPCODE_CEC_VERSION:
  72     HandleDeviceCecVersion(command);
  73     break;
  74   case CEC_OPCODE_SET_MENU_LANGUAGE:
  75     HandleSetMenuLanguage(command);
  76     break;
  77   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  78     HandleGivePhysicalAddress(command);
  79     break;
  80   case CEC_OPCODE_GIVE_OSD_NAME:
  81      HandleGiveOSDName(command);
  82     break;
  83   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  84     HandleGiveDeviceVendorId(command);
  85     break;
  86   case CEC_OPCODE_DEVICE_VENDOR_ID:
  87     bHandlerChanged = HandleDeviceVendorId(command);
  88     break;
  89   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  90     HandleDeviceVendorCommandWithId(command);
  91     break;
  92   case CEC_OPCODE_GIVE_DECK_STATUS:
  93     HandleGiveDeckStatus(command);
  94     break;
  95   case CEC_OPCODE_DECK_CONTROL:
  96     HandleDeckControl(command);
  97     break;
  98   case CEC_OPCODE_MENU_REQUEST:
  99     HandleMenuRequest(command);
 100     break;
 101   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 102     HandleGiveDevicePowerStatus(command);
 103     break;
 104   case CEC_OPCODE_GET_CEC_VERSION:
 105     HandleGetCecVersion(command);
 106     break;
 107   case CEC_OPCODE_USER_CONTROL_PRESSED:
 108     HandleUserControlPressed(command);
 109     break;
 110   case CEC_OPCODE_USER_CONTROL_RELEASE:
 111     HandleUserControlRelease(command);
 112     break;
 113   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 114     HandleGiveAudioStatus(command);
 115     break;
 116   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 117     HandleGiveSystemAudioModeStatus(command);
 118     break;
 119   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 120     HandleSystemAudioModeRequest(command);
 121     break;
 122   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 123     HandleReportAudioStatus(command);
 124     break;
 125   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 126     HandleSystemAudioModeStatus(command);
 127     break;
 128   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 129     HandleSetSystemAudioMode(command);
 130     break;
 131   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 132     HandleRequestActiveSource(command);
 133     break;
 134   case CEC_OPCODE_SET_STREAM_PATH:
 135     HandleSetStreamPath(command);
 136     break;
 137   case CEC_OPCODE_ROUTING_CHANGE:
 138     HandleRoutingChange(command);
 139     break;
 140   case CEC_OPCODE_ROUTING_INFORMATION:
 141     HandleRoutingInformation(command);
 142     break;
 143   case CEC_OPCODE_STANDBY:
 144     HandleStandby(command);
 145     break;
 146   case CEC_OPCODE_ACTIVE_SOURCE:
 147     HandleActiveSource(command);
 148     break;
 149   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 150     HandleReportPhysicalAddress(command);
 151     break;
 152   case CEC_OPCODE_SET_OSD_NAME:
 153     HandleSetOSDName(command);
 154     break;
 155   case CEC_OPCODE_IMAGE_VIEW_ON:
 156     HandleImageViewOn(command);
 157     break;
 158   case CEC_OPCODE_TEXT_VIEW_ON:
 159     HandleTextViewOn(command);
 160     break;
 161   default:
 162     UnhandledCommand(command);
 163     bHandled = false;
 164     break;
 165   }
 166
 167   if (bHandled && !bHandlerChanged)
 168   {
 169     CLockObject lock(&m_receiveMutex);
 170     m_condition.Signal();
 171   }
 172
 173   return bHandled;
 174 }
 175
 176 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 177 {
 178   if (command.parameters.size == 2)
 179   {
 180     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 181     return m_processor->SetActiveSource(iAddress);
 182   }
 183
 184   return true;
 185 }
 186
 187 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 188 {
 189   CCECBusDevice *device = GetDevice(command.destination);
 190   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 191   {
 192     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 193     return true;
 194   }
 195
 196   return false;
 197 }
 198
 199 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 200 {
 201   if (command.parameters.size == 1)
 202   {
 203     CCECBusDevice *device = GetDevice(command.initiator);
 204     if (device)
 205       device->SetCecVersion((cec_version) command.parameters[0]);
 206   }
 207
 208   return true;
 209 }
 210
 211 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 212 {
 213   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 214     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 215
 216   return true;
 217 }
 218
 219 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 220 {
 221   return SetVendorId(command);
 222 }
 223
 224 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 225 {
 226   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 227   {
 228     CCECBusDevice *device = GetDevice(command.destination);
 229     if (device)
 230       return device->TransmitCECVersion(command.initiator);
 231   }
 232
 233   return false;
 234 }
 235
 236 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 237 {
 238   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 239   {
 240     CCECBusDevice *device = GetDevice(command.destination);
 241     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 242       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 243   }
 244
 245   return false;
 246 }
 247
 248 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 249 {
 250   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 251   {
 252     CCECBusDevice *device = GetDevice(command.destination);
 253     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 254       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 255   }
 256
 257   return false;
 258 }
 259
 260 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 261 {
 262   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 263   {
 264     CCECBusDevice *device = GetDevice(command.destination);
 265     if (device)
 266       return device->TransmitPowerState(command.initiator);
 267   }
 268
 269   return false;
 270 }
 271
 272 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 273 {
 274   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 275   {
 276     CCECBusDevice *device = GetDevice(command.destination);
 277     if (device)
 278       return device->TransmitVendorID(command.initiator);
 279   }
 280
 281   return false;
 282 }
 283
 284 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 285 {
 286   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 287   {
 288     CCECBusDevice *device = GetDevice(command.destination);
 289     if (device)
 290       return device->TransmitOSDName(command.initiator);
 291   }
 292
 293   return false;
 294 }
 295
 296 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 297 {
 298   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 299   {
 300     CCECBusDevice *device = GetDevice(command.destination);
 301     if (device)
 302     {
 303       device->SetActiveSource();
 304       return device->TransmitPhysicalAddress() &&
 305           device->TransmitActiveSource();
 306     }
 307   }
 308
 309   return false;
 310 }
 311
 312 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 313 {
 314   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 315   {
 316     CCECBusDevice *device = GetDevice(command.destination);
 317     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 318       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 319   }
 320
 321   return false;
 322 }
 323
 324 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 325 {
 326   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 327   return true;
 328 }
 329
 330 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 331 {
 332   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 333   {
 334     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 335     {
 336       CCECBusDevice *device = GetDevice(command.destination);
 337       if (device)
 338         return device->TransmitMenuState(command.initiator);
 339     }
 340   }
 341
 342   return false;
 343 }
 344
 345 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 346 {
 347   if (command.parameters.size == 1)
 348   {
 349     CCECBusDevice *device = GetDevice(command.initiator);
 350     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 351     {
 352       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 353       return true;
 354     }
 355   }
 356   return false;
 357 }
 358
 359 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 360 {
 361   if (command.parameters.size == 3)
 362   {
 363     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 364     SetPhysicalAddress(command.initiator, iNewAddress);
 365   }
 366   return true;
 367 }
 368
 369 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 370 {
 371   if (command.parameters.size == 1)
 372   {
 373     CCECBusDevice *device = GetDevice(command.initiator);
 374     if (device)
 375       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 376   }
 377   return true;
 378 }
 379
 380 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 381 {
 382   if (m_processor->IsStarted())
 383   {
 384     CStdString strLog;
 385     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 386     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 387
 388     vector<CCECBusDevice *> devices;
 389     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 390       devices[iDevicePtr]->TransmitActiveSource();
 391
 392     return true;
 393   }
 394   return false;
 395 }
 396
 397 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 398 {
 399   if (command.parameters.size == 4)
 400   {
 401     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 402     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 403
 404     CCECBusDevice *device = GetDevice(command.initiator);
 405     if (device)
 406       device->SetStreamPath(iNewAddress, iOldAddress);
 407   }
 408   return true;
 409 }
 410
 411 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 412 {
 413   if (command.parameters.size == 2)
 414   {
 415     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 416     m_processor->SetActiveSource(iNewAddress);
 417   }
 418
 419   return false;
 420 }
 421
 422 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 423 {
 424   if (command.parameters.size == 3)
 425   {
 426     CCECBusDevice *device = GetDevice(command.initiator);
 427     if (device)
 428     {
 429       cec_menu_language language;
 430       language.device = command.initiator;
 431       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 432         language.language[iPtr] = command.parameters[iPtr];
 433       language.language[3] = 0;
 434       device->SetMenuLanguage(language);
 435       return true;
 436     }
 437   }
 438   return false;
 439 }
 440
 441 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 442 {
 443   if (command.parameters.size > 0)
 444   {
 445     CCECBusDevice *device = GetDevice(command.initiator);
 446     if (device)
 447     {
 448       char buf[1024];
 449       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 450         buf[iPtr] = (char)command.parameters[iPtr];
 451       buf[command.parameters.size] = 0;
 452
 453       CStdString strName(buf);
 454       device->SetOSDName(strName);
 455
 456       return true;
 457     }
 458   }
 459   return false;
 460 }
 461
 462 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 463 {
 464   if (m_processor->IsStarted() && command.parameters.size >= 2)
 465   {
 466     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 467     CStdString strLog;
 468     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 469     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 470
 471     /* one of the device handled by libCEC has been made active */
 472     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 473     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 474     {
 475       device->SetActiveSource();
 476       device->TransmitActiveSource();
 477     }
 478   }
 479   return false;
 480 }
 481
 482 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 483 {
 484   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 485   {
 486     CCECBusDevice *device = GetDevice(command.destination);
 487     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 488     {
 489       if (command.parameters.size >= 2)
 490       {
 491         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 492         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 493         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 494         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 495         if (newActiveDevice)
 496           newActiveDevice->SetActiveSource();
 497         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 498       }
 499       else
 500       {
 501         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 502         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 503       }
 504     }
 505   }
 506   return false;
 507 }
 508
 509 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 510 {
 511   CCECBusDevice *device = GetDevice(command.initiator);
 512   if (device)
 513     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 514
 515   return true;
 516 }
 517
 518 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 519 {
 520   if (command.parameters.size == 1)
 521   {
 522     CCECBusDevice *device = GetDevice(command.initiator);
 523     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 524     {
 525       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 526       return true;
 527     }
 528   }
 529
 530   return false;
 531 }
 532
 533 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 534 {
 535   if (command.parameters.size == 1)
 536   {
 537     CCECBusDevice *device = GetDevice(command.initiator);
 538     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 539     {
 540       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 541       return true;
 542     }
 543   }
 544
 545   return false;
 546 }
 547
 548 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 549 {
 550   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 551   return true;
 552 }
 553
 554 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 555 {
 556   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 557   {
 558     m_processor->AddKey();
 559
 560     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 561     {
 562       CStdString strLog;
 563       strLog.Format("key pressed: %x", command.parameters[0]);
 564       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 565
 566       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 567           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 568       {
 569         CCECBusDevice *device = GetDevice(command.destination);
 570         if (device)
 571         {
 572           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 573           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 574           {
 575             device->SetActiveSource();
 576             device->TransmitActiveSource();
 577
 578             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 579                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 580               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 581           }
 582         }
 583       }
 584       else
 585       {
 586         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 587       }
 588       return true;
 589     }
 590   }
 591   return false;
 592 }
 593
 594 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 595 {
 596   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 597     m_processor->AddKey();
 598
 599   return true;
 600 }
 601
 602 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 603 {
 604   CStdString strLog;
 605   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 606   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 607 }
 608
 609 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 610 {
 611   unsigned int iReturn(0);
 612
 613   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 614   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 615   {
 616     if (addresses[iPtr])
 617     {
 618       devices.push_back(GetDevice((cec_logical_address) iPtr));
 619       ++iReturn;
 620     }
 621   }
 622
 623   return iReturn;
 624 }
 625
 626 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 627 {
 628   CCECBusDevice *device = NULL;
 629
 630   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 631     device = m_processor->m_busDevices[iLogicalAddress];
 632
 633   return device;
 634 }
 635
 636 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 637 {
 638   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 639 }
 640
 641 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 642 {
 643   return m_processor->GetDeviceByType(type);
 644 }
 645
 646 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 647 {
 648   bool bChanged(false);
 649   if (command.parameters.size < 3)
 650   {
 651     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 652     return bChanged;
 653   }
 654
 655   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 656                        ((uint64_t)command.parameters[1] << 8) +
 657                         (uint64_t)command.parameters[2];
 658
 659   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 660   if (device)
 661     bChanged = device->SetVendorId(iVendorId);
 662   return bChanged;
 663 }
 664
 665 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 666 {
 667   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 668   {
 669     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 670     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 671     if (bOurAddress)
 672     {
 673       /* another device reported the same physical address as ours
 674        * since we don't have physical address detection yet, we'll just use the
 675        * given address, increased by 0x100 for now */
 676       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 677     }
 678   }
 679 }
 680
 681 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 682 {
 683   CStdString strLog;
 684   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 685   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 686 }
 687
 688 bool CCECCommandHandler::HandleReceiveFailed(void)
 689 {
 690   /* default = error */
 691   return true;
 692 }
 693
 694 bool CCECCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 695 {
 696   cec_command command;
 697   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 698
 699   return Transmit(command);
 700 }
 701
 702 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 703 {
 704   cec_command command;
 705   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 706
 707   return Transmit(command);
 708 }
 709
 710 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 711 {
 712   cec_command command;
 713   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 714
 715   return Transmit(command);
 716 }
 717
 718 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 719 {
 720   cec_command command;
 721   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 722
 723   return Transmit(command);
 724 }
 725
 726 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 727 {
 728   cec_command command;
 729   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 730
 731   return Transmit(command);
 732 }
 733
 734 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 735 {
 736   cec_command command;
 737   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 738
 739   return Transmit(command);
 740 }
 741
 742 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 743 {
 744   cec_command command;
 745   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 746
 747   return Transmit(command);
 748 }
 749
 750 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 751 {
 752   cec_command command;
 753   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 754
 755   return Transmit(command);
 756 }
 757
 758 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 759 {
 760   cec_command command;
 761   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 762   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 763   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 764
 765   return Transmit(command);
 766 }
 767
 768 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 769 {
 770   cec_command command;
 771   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 772   command.parameters.PushBack((uint8_t)cecVersion);
 773
 774   return Transmit(command);
 775 }
 776
 777 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 778 {
 779   cec_command command;
 780   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 781   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 782   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 783
 784   return Transmit(command);
 785 }
 786
 787 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 788 {
 789   cec_command command;
 790   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 791   command.parameters.PushBack((uint8_t)menuState);
 792
 793   return Transmit(command);
 794 }
 795
 796 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 797 {
 798   cec_command command;
 799   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 800   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 801     command.parameters.PushBack(strDeviceName.at(iPtr));
 802
 803   return Transmit(command);
 804 }
 805
 806 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 807 {
 808   cec_command command;
 809   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 810   command.parameters.PushBack((uint8_t)duration);
 811
 812   unsigned int iLen = strlen(strMessage);
 813   if (iLen > 13) iLen = 13;
 814
 815   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 816     command.parameters.PushBack(strMessage[iPtr]);
 817
 818   return Transmit(command);
 819 }
 820
 821 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 822 {
 823   cec_command command;
 824   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 825   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 826   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 827   command.parameters.PushBack((uint8_t) (type));
 828
 829   return Transmit(command);
 830 }
 831
 832 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 833 {
 834   cec_command command;
 835   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 836
 837   return Transmit(command, false);
 838 }
 839
 840 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 841 {
 842   cec_command command;
 843   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 844   command.parameters.PushBack((uint8_t) state);
 845
 846   return Transmit(command);
 847 }
 848
 849 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 850 {
 851   cec_command command;
 852   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 853
 854   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 855   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 856   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 857
 858   return Transmit(command);
 859 }
 860
 861 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 862 {
 863   cec_command command;
 864   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 865   command.parameters.PushBack(state);
 866
 867   return Transmit(command);
 868 }
 869
 870 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 871 {
 872   cec_command command;
 873   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 874   command.parameters.PushBack((uint8_t)state);
 875
 876   return Transmit(command);
 877 }
 878
 879 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 880 {
 881   cec_command command;
 882   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 883   command.parameters.PushBack((uint8_t)state);
 884
 885   return Transmit(command);
 886 }
 887
 888 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 889 {
 890   cec_command command;
 891   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 892   command.PushBack((uint8_t)state);
 893
 894   return Transmit(command);
 895 }
 896
 897 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 898 {
 899   cec_command command;
 900   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 901   command.parameters.PushBack((uint8_t)key);
 902
 903   return Transmit(command, bWait);
 904 }
 905
 906 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 907 {
 908   cec_command command;
 909   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 910
 911   return Transmit(command, bWait);
 912 }
 913
 914 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 915 {
 916   command.transmit_timeout = m_iTransmitTimeout;
 917
 918   CLockObject writeLock(&m_processor->m_transmitMutex);
 919   CLockObject receiveLock(&m_receiveMutex);
 920   if (m_processor->Transmit(command))
 921   {
 922     if (bExpectResponse)
 923       return m_condition.Wait(&m_receiveMutex, m_iTransmitWait);
 924     return true;
 925   }
 926
 927   return false;
 928 }
 929
 930 bool CCECCommandHandler::InitHandler(void)
 931 {
 932   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 933   {
 934     CCECBusDevice *primary = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 935     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 936     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 937
 938     m_processor->SetActiveSource();
 939     primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 940   }
 941   return true;
 942 }