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     m_iUseCounter(0)
  50 {
  51 }
  52
  53 CCECCommandHandler::~CCECCommandHandler(void)
  54 {
  55   CLockObject lock(&m_processor->m_transmitMutex);
  56   CLockObject receiveLock(&m_receiveMutex);
  57   m_condition.Broadcast();
  58 }
  59
  60 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  61 {
  62   bool bHandled(true), bHandlerChanged(false);
  63
  64   MarkBusy();
  65   CStdString strLog;
  66   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);
  67   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  68
  69   m_processor->AddCommand(command);
  70
  71   switch(command.opcode)
  72   {
  73   case CEC_OPCODE_REPORT_POWER_STATUS:
  74     HandleReportPowerStatus(command);
  75     break;
  76   case CEC_OPCODE_CEC_VERSION:
  77     HandleDeviceCecVersion(command);
  78     break;
  79   case CEC_OPCODE_SET_MENU_LANGUAGE:
  80     HandleSetMenuLanguage(command);
  81     break;
  82   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  83     HandleGivePhysicalAddress(command);
  84     break;
  85   case CEC_OPCODE_GIVE_OSD_NAME:
  86      HandleGiveOSDName(command);
  87     break;
  88   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  89     HandleGiveDeviceVendorId(command);
  90     break;
  91   case CEC_OPCODE_DEVICE_VENDOR_ID:
  92     bHandlerChanged = HandleDeviceVendorId(command);
  93     break;
  94   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  95     HandleDeviceVendorCommandWithId(command);
  96     break;
  97   case CEC_OPCODE_GIVE_DECK_STATUS:
  98     HandleGiveDeckStatus(command);
  99     break;
 100   case CEC_OPCODE_DECK_CONTROL:
 101     HandleDeckControl(command);
 102     break;
 103   case CEC_OPCODE_MENU_REQUEST:
 104     HandleMenuRequest(command);
 105     break;
 106   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 107     HandleGiveDevicePowerStatus(command);
 108     break;
 109   case CEC_OPCODE_GET_CEC_VERSION:
 110     HandleGetCecVersion(command);
 111     break;
 112   case CEC_OPCODE_USER_CONTROL_PRESSED:
 113     HandleUserControlPressed(command);
 114     break;
 115   case CEC_OPCODE_USER_CONTROL_RELEASE:
 116     HandleUserControlRelease(command);
 117     break;
 118   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 119     HandleGiveAudioStatus(command);
 120     break;
 121   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 122     HandleGiveSystemAudioModeStatus(command);
 123     break;
 124   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 125     HandleSystemAudioModeRequest(command);
 126     break;
 127   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 128     HandleReportAudioStatus(command);
 129     break;
 130   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 131     HandleSystemAudioModeStatus(command);
 132     break;
 133   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 134     HandleSetSystemAudioMode(command);
 135     break;
 136   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 137     HandleRequestActiveSource(command);
 138     break;
 139   case CEC_OPCODE_SET_STREAM_PATH:
 140     HandleSetStreamPath(command);
 141     break;
 142   case CEC_OPCODE_ROUTING_CHANGE:
 143     HandleRoutingChange(command);
 144     break;
 145   case CEC_OPCODE_ROUTING_INFORMATION:
 146     HandleRoutingInformation(command);
 147     break;
 148   case CEC_OPCODE_STANDBY:
 149     HandleStandby(command);
 150     break;
 151   case CEC_OPCODE_ACTIVE_SOURCE:
 152     HandleActiveSource(command);
 153     break;
 154   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 155     HandleReportPhysicalAddress(command);
 156     break;
 157   case CEC_OPCODE_SET_OSD_NAME:
 158     HandleSetOSDName(command);
 159     break;
 160   case CEC_OPCODE_IMAGE_VIEW_ON:
 161     HandleImageViewOn(command);
 162     break;
 163   case CEC_OPCODE_TEXT_VIEW_ON:
 164     HandleTextViewOn(command);
 165     break;
 166   case CEC_OPCODE_FEATURE_ABORT:
 167     HandleFeatureAbort(command);
 168     break;
 169   case CEC_OPCODE_VENDOR_COMMAND:
 170     HandleVendorCommand(command);
 171     break;
 172   default:
 173     UnhandledCommand(command);
 174     bHandled = false;
 175     break;
 176   }
 177
 178   if (bHandled && !bHandlerChanged)
 179   {
 180     CLockObject lock(&m_receiveMutex);
 181     m_condition.Signal();
 182   }
 183
 184   MarkReady();
 185   return bHandled;
 186 }
 187
 188 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 189 {
 190   if (command.parameters.size == 2)
 191   {
 192     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 193     return m_processor->SetActiveSource(iAddress);
 194   }
 195
 196   return true;
 197 }
 198
 199 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 200 {
 201   CCECBusDevice *device = GetDevice(command.destination);
 202   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 203   {
 204     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 205     return true;
 206   }
 207
 208   return false;
 209 }
 210
 211 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 212 {
 213   if (command.parameters.size == 1)
 214   {
 215     CCECBusDevice *device = GetDevice(command.initiator);
 216     if (device)
 217       device->SetCecVersion((cec_version) command.parameters[0]);
 218   }
 219
 220   return true;
 221 }
 222
 223 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 224 {
 225   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 226     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 227
 228   return true;
 229 }
 230
 231 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 232 {
 233   return SetVendorId(command);
 234 }
 235
 236 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 237 {
 238   if (command.parameters.size == 2)
 239   {
 240     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 241   }
 242   return true;
 243 }
 244
 245 bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
 246 {
 247   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 248   {
 249     CCECBusDevice *device = GetDevice(command.destination);
 250     if (device)
 251       return device->TransmitCECVersion(command.initiator);
 252   }
 253
 254   return false;
 255 }
 256
 257 bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 258 {
 259   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 260   {
 261     CCECBusDevice *device = GetDevice(command.destination);
 262     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 263       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 264   }
 265
 266   return false;
 267 }
 268
 269 bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 270 {
 271   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 272   {
 273     CCECBusDevice *device = GetDevice(command.destination);
 274     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 275       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 276   }
 277
 278   return false;
 279 }
 280
 281 bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 282 {
 283   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 284   {
 285     CCECBusDevice *device = GetDevice(command.destination);
 286     if (device)
 287       return device->TransmitPowerState(command.initiator);
 288   }
 289
 290   return false;
 291 }
 292
 293 bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 294 {
 295   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 296   {
 297     CCECBusDevice *device = GetDevice(command.destination);
 298     if (device)
 299       return device->TransmitVendorID(command.initiator);
 300   }
 301
 302   return false;
 303 }
 304
 305 bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 306 {
 307   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 308   {
 309     CCECBusDevice *device = GetDevice(command.destination);
 310     if (device)
 311       return device->TransmitOSDName(command.initiator);
 312   }
 313
 314   return false;
 315 }
 316
 317 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 318 {
 319   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 320   {
 321     CCECBusDevice *device = GetDevice(command.destination);
 322     if (device)
 323     {
 324       device->SetActiveSource();
 325       return device->TransmitPhysicalAddress() &&
 326           device->TransmitActiveSource();
 327     }
 328   }
 329
 330   return false;
 331 }
 332
 333 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 334 {
 335   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 336   {
 337     CCECBusDevice *device = GetDevice(command.destination);
 338     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 339       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 340   }
 341
 342   return false;
 343 }
 344
 345 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 346 {
 347   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 348   return true;
 349 }
 350
 351 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 352 {
 353   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 354   {
 355     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 356     {
 357       CCECBusDevice *device = GetDevice(command.destination);
 358       if (device)
 359         return device->TransmitMenuState(command.initiator);
 360     }
 361   }
 362
 363   return false;
 364 }
 365
 366 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 367 {
 368   if (command.parameters.size == 1)
 369   {
 370     CCECBusDevice *device = GetDevice(command.initiator);
 371     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 372     {
 373       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 374       return true;
 375     }
 376   }
 377   return false;
 378 }
 379
 380 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 381 {
 382   if (command.parameters.size == 3)
 383   {
 384     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 385     SetPhysicalAddress(command.initiator, iNewAddress);
 386   }
 387   return true;
 388 }
 389
 390 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 391 {
 392   if (command.parameters.size == 1)
 393   {
 394     CCECBusDevice *device = GetDevice(command.initiator);
 395     if (device)
 396       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 397   }
 398   return true;
 399 }
 400
 401 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 402 {
 403   if (m_processor->IsStarted())
 404   {
 405     CStdString strLog;
 406     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 407     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 408
 409     vector<CCECBusDevice *> devices;
 410     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 411       devices[iDevicePtr]->TransmitActiveSource();
 412
 413     return true;
 414   }
 415   return false;
 416 }
 417
 418 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 419 {
 420   if (command.parameters.size == 4)
 421   {
 422     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 423     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 424
 425     CCECBusDevice *device = GetDevice(command.initiator);
 426     if (device)
 427       device->SetStreamPath(iNewAddress, iOldAddress);
 428   }
 429   return true;
 430 }
 431
 432 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 433 {
 434   if (command.parameters.size == 2)
 435   {
 436     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 437     m_processor->SetActiveSource(iNewAddress);
 438   }
 439
 440   return false;
 441 }
 442
 443 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 444 {
 445   if (command.parameters.size == 3)
 446   {
 447     CCECBusDevice *device = GetDevice(command.initiator);
 448     if (device)
 449     {
 450       cec_menu_language language;
 451       language.device = command.initiator;
 452       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 453         language.language[iPtr] = command.parameters[iPtr];
 454       language.language[3] = 0;
 455       device->SetMenuLanguage(language);
 456       return true;
 457     }
 458   }
 459   return false;
 460 }
 461
 462 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 463 {
 464   if (command.parameters.size > 0)
 465   {
 466     CCECBusDevice *device = GetDevice(command.initiator);
 467     if (device)
 468     {
 469       char buf[1024];
 470       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 471         buf[iPtr] = (char)command.parameters[iPtr];
 472       buf[command.parameters.size] = 0;
 473
 474       CStdString strName(buf);
 475       device->SetOSDName(strName);
 476
 477       return true;
 478     }
 479   }
 480   return false;
 481 }
 482
 483 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 484 {
 485   if (m_processor->IsStarted() && command.parameters.size >= 2)
 486   {
 487     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 488     CStdString strLog;
 489     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 490     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 491
 492     /* one of the device handled by libCEC has been made active */
 493     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 494     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 495     {
 496       device->SetActiveSource();
 497       device->TransmitActiveSource();
 498     }
 499   }
 500   return false;
 501 }
 502
 503 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 504 {
 505   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 506   {
 507     CCECBusDevice *device = GetDevice(command.destination);
 508     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 509     {
 510       if (command.parameters.size >= 2)
 511       {
 512         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 513         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 514         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 515         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 516         if (newActiveDevice)
 517           newActiveDevice->SetActiveSource();
 518         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 519       }
 520       else
 521       {
 522         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 523         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 524       }
 525     }
 526   }
 527   return false;
 528 }
 529
 530 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 531 {
 532   CCECBusDevice *device = GetDevice(command.initiator);
 533   if (device)
 534     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 535
 536   return true;
 537 }
 538
 539 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 540 {
 541   if (command.parameters.size == 1)
 542   {
 543     CCECBusDevice *device = GetDevice(command.initiator);
 544     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 545     {
 546       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 547       return true;
 548     }
 549   }
 550
 551   return false;
 552 }
 553
 554 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 555 {
 556   if (command.parameters.size == 1)
 557   {
 558     CCECBusDevice *device = GetDevice(command.initiator);
 559     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 560     {
 561       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 562       return true;
 563     }
 564   }
 565
 566   return false;
 567 }
 568
 569 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 570 {
 571   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 572   return true;
 573 }
 574
 575 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 576 {
 577   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 578   {
 579     m_processor->AddKey();
 580
 581     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 582     {
 583       CStdString strLog;
 584       strLog.Format("key pressed: %x", command.parameters[0]);
 585       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 586
 587       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 588           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 589       {
 590         CCECBusDevice *device = GetDevice(command.destination);
 591         if (device)
 592         {
 593           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 594           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 595           {
 596             device->SetActiveSource();
 597             device->TransmitActiveSource();
 598
 599             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 600                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 601               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 602           }
 603         }
 604       }
 605       else
 606       {
 607         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 608       }
 609       return true;
 610     }
 611   }
 612   return false;
 613 }
 614
 615 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 616 {
 617   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 618     m_processor->AddKey();
 619
 620   return true;
 621 }
 622
 623 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 624 {
 625   CStdString strLog;
 626   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 627   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 628 }
 629
 630 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 631 {
 632   unsigned int iReturn(0);
 633
 634   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 635   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 636   {
 637     if (addresses[iPtr])
 638     {
 639       devices.push_back(GetDevice((cec_logical_address) iPtr));
 640       ++iReturn;
 641     }
 642   }
 643
 644   return iReturn;
 645 }
 646
 647 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 648 {
 649   CCECBusDevice *device = NULL;
 650
 651   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 652     device = m_processor->m_busDevices[iLogicalAddress];
 653
 654   return device;
 655 }
 656
 657 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 658 {
 659   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 660 }
 661
 662 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 663 {
 664   return m_processor->GetDeviceByType(type);
 665 }
 666
 667 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 668 {
 669   bool bChanged(false);
 670   if (command.parameters.size < 3)
 671   {
 672     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 673     return bChanged;
 674   }
 675
 676   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 677                        ((uint64_t)command.parameters[1] << 8) +
 678                         (uint64_t)command.parameters[2];
 679
 680   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 681   if (device)
 682     bChanged = device->SetVendorId(iVendorId);
 683   return bChanged;
 684 }
 685
 686 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 687 {
 688   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 689   {
 690     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 691     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 692     if (bOurAddress)
 693     {
 694       /* another device reported the same physical address as ours
 695        * since we don't have physical address detection yet, we'll just use the
 696        * given address, increased by 0x100 for now */
 697       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 698     }
 699   }
 700 }
 701
 702 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 703 {
 704   CStdString strLog;
 705   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 706   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 707 }
 708
 709 bool CCECCommandHandler::HandleReceiveFailed(void)
 710 {
 711   /* default = error */
 712   return true;
 713 }
 714
 715 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 716 {
 717   cec_command command;
 718   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 719
 720   return Transmit(command, false);
 721 }
 722
 723 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 724 {
 725   cec_command command;
 726   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 727
 728   return Transmit(command, false);
 729 }
 730
 731 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 732 {
 733   cec_command command;
 734   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 735
 736   return Transmit(command);
 737 }
 738
 739 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 740 {
 741   cec_command command;
 742   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 743
 744   return Transmit(command);
 745 }
 746
 747 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 748 {
 749   cec_command command;
 750   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
 751
 752   return Transmit(command);
 753 }
 754
 755 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 756 {
 757   cec_command command;
 758   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 759
 760   return Transmit(command);
 761 }
 762
 763 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 764 {
 765   cec_command command;
 766   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 767
 768   return Transmit(command);
 769 }
 770
 771 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 772 {
 773   cec_command command;
 774   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 775
 776   return Transmit(command);
 777 }
 778
 779 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 780 {
 781   cec_command command;
 782   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 783   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 784   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 785
 786   return Transmit(command, false);
 787 }
 788
 789 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 790 {
 791   cec_command command;
 792   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 793   command.parameters.PushBack((uint8_t)cecVersion);
 794
 795   return Transmit(command, false);
 796 }
 797
 798 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 799 {
 800   cec_command command;
 801   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 802   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 803   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 804
 805   return Transmit(command, false);
 806 }
 807
 808 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 809 {
 810   cec_command command;
 811   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 812   command.parameters.PushBack((uint8_t)menuState);
 813
 814   return Transmit(command, false);
 815 }
 816
 817 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 818 {
 819   cec_command command;
 820   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 821   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 822     command.parameters.PushBack(strDeviceName.at(iPtr));
 823
 824   return Transmit(command, false);
 825 }
 826
 827 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 828 {
 829   cec_command command;
 830   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 831   command.parameters.PushBack((uint8_t)duration);
 832
 833   unsigned int iLen = strlen(strMessage);
 834   if (iLen > 13) iLen = 13;
 835
 836   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 837     command.parameters.PushBack(strMessage[iPtr]);
 838
 839   return Transmit(command, false);
 840 }
 841
 842 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 843 {
 844   cec_command command;
 845   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 846   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 847   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 848   command.parameters.PushBack((uint8_t) (type));
 849
 850   return Transmit(command, false);
 851 }
 852
 853 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 854 {
 855   cec_command command;
 856   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 857
 858   return Transmit(command, false);
 859 }
 860
 861 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 862 {
 863   cec_command command;
 864   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 865   command.parameters.PushBack((uint8_t) state);
 866
 867   return Transmit(command, false);
 868 }
 869
 870 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 871 {
 872   cec_command command;
 873   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 874
 875   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 876   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 877   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 878
 879   return Transmit(command, false);
 880 }
 881
 882 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 883 {
 884   cec_command command;
 885   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 886   command.parameters.PushBack(state);
 887
 888   return Transmit(command, false);
 889 }
 890
 891 bool CCECCommandHandler::TransmitSetSystemAudioMode(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_SET_SYSTEM_AUDIO_MODE);
 895   command.parameters.PushBack((uint8_t)state);
 896
 897   return Transmit(command, false);
 898 }
 899
 900 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 901 {
 902   cec_command command;
 903   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 904   command.parameters.PushBack((uint8_t)state);
 905
 906   return Transmit(command, false);
 907 }
 908
 909 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 910 {
 911   cec_command command;
 912   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 913   command.PushBack((uint8_t)state);
 914
 915   return Transmit(command, false);
 916 }
 917
 918 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 919 {
 920   cec_command command;
 921   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 922   command.parameters.PushBack((uint8_t)key);
 923
 924   return Transmit(command, bWait);
 925 }
 926
 927 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 928 {
 929   cec_command command;
 930   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 931
 932   return Transmit(command, bWait);
 933 }
 934
 935 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */)
 936 {
 937   bool bReturn(false);
 938   command.transmit_timeout = m_iTransmitTimeout;
 939
 940   {
 941     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 942     CLockObject writeLock(&m_processor->m_transmitMutex);
 943     CLockObject receiveLock(&m_receiveMutex);
 944     ++m_iUseCounter;
 945     while (!bReturn && ++iTries <= iMaxTries)
 946     {
 947       if (m_processor->Transmit(command))
 948       {
 949         m_processor->AddLog(CEC_LOG_DEBUG, "command transmitted");
 950         bReturn = bExpectResponse ?
 951             m_condition.Wait(&m_receiveMutex, m_iTransmitWait) :
 952             true;
 953       }
 954     }
 955     --m_iUseCounter;
 956   }
 957
 958   return bReturn;
 959 }
 960
 961 bool CCECCommandHandler::InitHandler(void)
 962 {
 963   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 964   {
 965     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 966     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 967     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 968
 969     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 970     {
 971       m_processor->SetActiveSource();
 972       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 973       m_bHandlerInited = true;
 974     }
 975   }
 976   return true;
 977 }
 978
 979 void CCECCommandHandler::MarkBusy(void)
 980 {
 981   CLockObject receiveLock(&m_receiveMutex);
 982   ++m_iUseCounter;
 983 }
 984
 985 bool CCECCommandHandler::MarkReady(void)
 986 {
 987   CLockObject receiveLock(&m_receiveMutex);
 988   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
 989 }
 990
 991 bool CCECCommandHandler::InUse(void)
 992 {
 993   CLockObject receiveLock(&m_receiveMutex);
 994   return m_iUseCounter > 0;
 995 }