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     m_expectedResponse(CEC_OPCODE_NONE)
  51 {
  52 }
  53
  54 CCECCommandHandler::~CCECCommandHandler(void)
  55 {
  56   CLockObject lock(&m_processor->m_transmitMutex);
  57   CLockObject receiveLock(&m_receiveMutex);
  58   m_condition.Broadcast();
  59 }
  60
  61 bool CCECCommandHandler::HandleCommand(const cec_command &command)
  62 {
  63   bool bHandled(true), bHandlerChanged(false);
  64
  65   MarkBusy();
  66   CStdString strLog;
  67   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);
  68   m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
  69
  70   m_processor->AddCommand(command);
  71
  72   switch(command.opcode)
  73   {
  74   case CEC_OPCODE_REPORT_POWER_STATUS:
  75     HandleReportPowerStatus(command);
  76     break;
  77   case CEC_OPCODE_CEC_VERSION:
  78     HandleDeviceCecVersion(command);
  79     break;
  80   case CEC_OPCODE_SET_MENU_LANGUAGE:
  81     HandleSetMenuLanguage(command);
  82     break;
  83   case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
  84     HandleGivePhysicalAddress(command);
  85     break;
  86   case CEC_OPCODE_GIVE_OSD_NAME:
  87      HandleGiveOSDName(command);
  88     break;
  89   case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
  90     HandleGiveDeviceVendorId(command);
  91     break;
  92   case CEC_OPCODE_DEVICE_VENDOR_ID:
  93     bHandlerChanged = HandleDeviceVendorId(command);
  94     break;
  95   case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
  96     HandleDeviceVendorCommandWithId(command);
  97     break;
  98   case CEC_OPCODE_GIVE_DECK_STATUS:
  99     HandleGiveDeckStatus(command);
 100     break;
 101   case CEC_OPCODE_DECK_CONTROL:
 102     HandleDeckControl(command);
 103     break;
 104   case CEC_OPCODE_MENU_REQUEST:
 105     HandleMenuRequest(command);
 106     break;
 107   case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
 108     HandleGiveDevicePowerStatus(command);
 109     break;
 110   case CEC_OPCODE_GET_CEC_VERSION:
 111     HandleGetCecVersion(command);
 112     break;
 113   case CEC_OPCODE_USER_CONTROL_PRESSED:
 114     HandleUserControlPressed(command);
 115     break;
 116   case CEC_OPCODE_USER_CONTROL_RELEASE:
 117     HandleUserControlRelease(command);
 118     break;
 119   case CEC_OPCODE_GIVE_AUDIO_STATUS:
 120     HandleGiveAudioStatus(command);
 121     break;
 122   case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
 123     HandleGiveSystemAudioModeStatus(command);
 124     break;
 125   case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
 126     HandleSystemAudioModeRequest(command);
 127     break;
 128   case CEC_OPCODE_REPORT_AUDIO_STATUS:
 129     HandleReportAudioStatus(command);
 130     break;
 131   case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
 132     HandleSystemAudioModeStatus(command);
 133     break;
 134   case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
 135     HandleSetSystemAudioMode(command);
 136     break;
 137   case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
 138     HandleRequestActiveSource(command);
 139     break;
 140   case CEC_OPCODE_SET_STREAM_PATH:
 141     HandleSetStreamPath(command);
 142     break;
 143   case CEC_OPCODE_ROUTING_CHANGE:
 144     HandleRoutingChange(command);
 145     break;
 146   case CEC_OPCODE_ROUTING_INFORMATION:
 147     HandleRoutingInformation(command);
 148     break;
 149   case CEC_OPCODE_STANDBY:
 150     HandleStandby(command);
 151     break;
 152   case CEC_OPCODE_ACTIVE_SOURCE:
 153     HandleActiveSource(command);
 154     break;
 155   case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
 156     HandleReportPhysicalAddress(command);
 157     break;
 158   case CEC_OPCODE_SET_OSD_NAME:
 159     HandleSetOSDName(command);
 160     break;
 161   case CEC_OPCODE_IMAGE_VIEW_ON:
 162     HandleImageViewOn(command);
 163     break;
 164   case CEC_OPCODE_TEXT_VIEW_ON:
 165     HandleTextViewOn(command);
 166     break;
 167   case CEC_OPCODE_FEATURE_ABORT:
 168     HandleFeatureAbort(command);
 169     break;
 170   case CEC_OPCODE_VENDOR_COMMAND:
 171     HandleVendorCommand(command);
 172     break;
 173   default:
 174     UnhandledCommand(command);
 175     bHandled = false;
 176     break;
 177   }
 178
 179   if (bHandled && !bHandlerChanged)
 180   {
 181     CLockObject lock(&m_receiveMutex);
 182     if (m_expectedResponse == CEC_OPCODE_NONE ||
 183         m_expectedResponse == command.opcode)
 184       m_condition.Signal();
 185   }
 186
 187   MarkReady();
 188   return bHandled;
 189 }
 190
 191 bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
 192 {
 193   if (command.parameters.size == 2)
 194   {
 195     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 196     return m_processor->SetActiveSource(iAddress);
 197   }
 198
 199   return true;
 200 }
 201
 202 bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
 203 {
 204   CCECBusDevice *device = GetDevice(command.destination);
 205   if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
 206   {
 207     ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
 208     return true;
 209   }
 210
 211   return false;
 212 }
 213
 214 bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 215 {
 216   if (command.parameters.size == 1)
 217   {
 218     CCECBusDevice *device = GetDevice(command.initiator);
 219     if (device)
 220       device->SetCecVersion((cec_version) command.parameters[0]);
 221   }
 222
 223   return true;
 224 }
 225
 226 bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
 227 {
 228   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 229     m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
 230
 231   return true;
 232 }
 233
 234 bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 235 {
 236   return SetVendorId(command);
 237 }
 238
 239 bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 240 {
 241   if (command.parameters.size == 2)
 242   {
 243     m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
 244   }
 245   return true;
 246 }
 247
 248 bool CCECCommandHandler::HandleGetCecVersion(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)
 254       return device->TransmitCECVersion(command.initiator);
 255   }
 256
 257   return false;
 258 }
 259
 260 bool CCECCommandHandler::HandleGiveAudioStatus(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_AUDIO_SYSTEM)
 266       return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
 267   }
 268
 269   return false;
 270 }
 271
 272 bool CCECCommandHandler::HandleGiveDeckStatus(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 && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 278       return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 279   }
 280
 281   return false;
 282 }
 283
 284 bool CCECCommandHandler::HandleGiveDevicePowerStatus(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->TransmitPowerState(command.initiator);
 291   }
 292
 293   return false;
 294 }
 295
 296 bool CCECCommandHandler::HandleGiveDeviceVendorId(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->TransmitVendorID(command.initiator);
 303   }
 304
 305   return false;
 306 }
 307
 308 bool CCECCommandHandler::HandleGiveOSDName(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       return device->TransmitOSDName(command.initiator);
 315   }
 316
 317   return false;
 318 }
 319
 320 bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 321 {
 322   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 323   {
 324     CCECBusDevice *device = GetDevice(command.destination);
 325     if (device)
 326     {
 327       device->SetActiveSource();
 328       return device->TransmitPhysicalAddress() &&
 329           device->TransmitActiveSource();
 330     }
 331   }
 332
 333   return false;
 334 }
 335
 336 bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
 337 {
 338   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 339   {
 340     CCECBusDevice *device = GetDevice(command.destination);
 341     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 342       return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
 343   }
 344
 345   return false;
 346 }
 347
 348 bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
 349 {
 350   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 351   return true;
 352 }
 353
 354 bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 355 {
 356   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 357   {
 358     if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
 359     {
 360       CCECBusDevice *device = GetDevice(command.destination);
 361       if (device)
 362         return device->TransmitMenuState(command.initiator);
 363     }
 364   }
 365
 366   return false;
 367 }
 368
 369 bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
 370 {
 371   if (command.parameters.size == 1)
 372   {
 373     CCECBusDevice *device = GetDevice(command.initiator);
 374     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 375     {
 376       ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
 377       return true;
 378     }
 379   }
 380   return false;
 381 }
 382
 383 bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
 384 {
 385   if (command.parameters.size == 3)
 386   {
 387     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 388     SetPhysicalAddress(command.initiator, iNewAddress);
 389   }
 390   return true;
 391 }
 392
 393 bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 394 {
 395   if (command.parameters.size == 1)
 396   {
 397     CCECBusDevice *device = GetDevice(command.initiator);
 398     if (device)
 399       device->SetPowerStatus((cec_power_status) command.parameters[0]);
 400   }
 401   return true;
 402 }
 403
 404 bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 405 {
 406   if (m_processor->IsStarted())
 407   {
 408     CStdString strLog;
 409     strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
 410     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 411
 412     vector<CCECBusDevice *> devices;
 413     for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
 414       devices[iDevicePtr]->TransmitActiveSource();
 415
 416     return true;
 417   }
 418   return false;
 419 }
 420
 421 bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 422 {
 423   if (command.parameters.size == 4)
 424   {
 425     uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 426     uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
 427
 428     CCECBusDevice *device = GetDevice(command.initiator);
 429     if (device)
 430       device->SetStreamPath(iNewAddress, iOldAddress);
 431   }
 432   return true;
 433 }
 434
 435 bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
 436 {
 437   if (command.parameters.size == 2)
 438   {
 439     uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 440     m_processor->SetActiveSource(iNewAddress);
 441   }
 442
 443   return false;
 444 }
 445
 446 bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 447 {
 448   if (command.parameters.size == 3)
 449   {
 450     CCECBusDevice *device = GetDevice(command.initiator);
 451     if (device)
 452     {
 453       cec_menu_language language;
 454       language.device = command.initiator;
 455       for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
 456         language.language[iPtr] = command.parameters[iPtr];
 457       language.language[3] = 0;
 458       device->SetMenuLanguage(language);
 459       return true;
 460     }
 461   }
 462   return false;
 463 }
 464
 465 bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
 466 {
 467   if (command.parameters.size > 0)
 468   {
 469     CCECBusDevice *device = GetDevice(command.initiator);
 470     if (device)
 471     {
 472       char buf[1024];
 473       for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 474         buf[iPtr] = (char)command.parameters[iPtr];
 475       buf[command.parameters.size] = 0;
 476
 477       CStdString strName(buf);
 478       device->SetOSDName(strName);
 479
 480       return true;
 481     }
 482   }
 483   return false;
 484 }
 485
 486 bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 487 {
 488   if (m_processor->IsStarted() && command.parameters.size >= 2)
 489   {
 490     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 491     CStdString strLog;
 492     strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
 493     m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 494
 495     /* one of the device handled by libCEC has been made active */
 496     CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
 497     if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
 498     {
 499       device->SetActiveSource();
 500       device->TransmitActiveSource();
 501     }
 502   }
 503   return false;
 504 }
 505
 506 bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 507 {
 508   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 509   {
 510     CCECBusDevice *device = GetDevice(command.destination);
 511     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 512     {
 513       if (command.parameters.size >= 2)
 514       {
 515         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 516         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
 517         uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 518         CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
 519         if (newActiveDevice)
 520           newActiveDevice->SetActiveSource();
 521         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 522       }
 523       else
 524       {
 525         ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
 526         return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
 527       }
 528     }
 529   }
 530   return false;
 531 }
 532
 533 bool CCECCommandHandler::HandleStandby(const cec_command &command)
 534 {
 535   CCECBusDevice *device = GetDevice(command.initiator);
 536   if (device)
 537     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 538
 539   return true;
 540 }
 541
 542 bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 543 {
 544   if (command.parameters.size == 1)
 545   {
 546     CCECBusDevice *device = GetDevice(command.initiator);
 547     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 548     {
 549       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 550       return true;
 551     }
 552   }
 553
 554   return false;
 555 }
 556
 557 bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 558 {
 559   if (command.parameters.size == 1)
 560   {
 561     CCECBusDevice *device = GetDevice(command.initiator);
 562     if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 563     {
 564       ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
 565       return true;
 566     }
 567   }
 568
 569   return false;
 570 }
 571
 572 bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
 573 {
 574   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 575   return true;
 576 }
 577
 578 bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
 579 {
 580   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
 581   {
 582     m_processor->AddKey();
 583
 584     if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
 585     {
 586       CStdString strLog;
 587       strLog.Format("key pressed: %x", command.parameters[0]);
 588       m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 589
 590       if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
 591           command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
 592       {
 593         CCECBusDevice *device = GetDevice(command.destination);
 594         if (device)
 595         {
 596           device->SetPowerStatus(CEC_POWER_STATUS_ON);
 597           if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
 598           {
 599             device->SetActiveSource();
 600             device->TransmitActiveSource();
 601
 602             if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 603                 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 604               ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
 605           }
 606         }
 607       }
 608       else
 609       {
 610         m_processor->SetCurrentButton((cec_user_control_code) command.parameters[0]);
 611       }
 612       return true;
 613     }
 614   }
 615   return false;
 616 }
 617
 618 bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 619 {
 620   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 621     m_processor->AddKey();
 622
 623   return true;
 624 }
 625
 626 void CCECCommandHandler::UnhandledCommand(const cec_command &command)
 627 {
 628   CStdString strLog;
 629   strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
 630   m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
 631 }
 632
 633 unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 634 {
 635   unsigned int iReturn(0);
 636
 637   cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
 638   for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
 639   {
 640     if (addresses[iPtr])
 641     {
 642       devices.push_back(GetDevice((cec_logical_address) iPtr));
 643       ++iReturn;
 644     }
 645   }
 646
 647   return iReturn;
 648 }
 649
 650 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 651 {
 652   CCECBusDevice *device = NULL;
 653
 654   if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
 655     device = m_processor->m_busDevices[iLogicalAddress];
 656
 657   return device;
 658 }
 659
 660 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 661 {
 662   return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 663 }
 664
 665 CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
 666 {
 667   return m_processor->GetDeviceByType(type);
 668 }
 669
 670 bool CCECCommandHandler::SetVendorId(const cec_command &command)
 671 {
 672   bool bChanged(false);
 673   if (command.parameters.size < 3)
 674   {
 675     m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
 676     return bChanged;
 677   }
 678
 679   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
 680                        ((uint64_t)command.parameters[1] << 8) +
 681                         (uint64_t)command.parameters[2];
 682
 683   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
 684   if (device)
 685     bChanged = device->SetVendorId(iVendorId);
 686   return bChanged;
 687 }
 688
 689 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 690 {
 691   if (!m_busDevice->MyLogicalAddressContains(iAddress))
 692   {
 693     bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
 694     GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
 695     if (bOurAddress)
 696     {
 697       /* another device reported the same physical address as ours
 698        * since we don't have physical address detection yet, we'll just use the
 699        * given address, increased by 0x100 for now */
 700       m_processor->SetPhysicalAddress(iNewAddress + 0x100);
 701     }
 702   }
 703 }
 704
 705 void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 706 {
 707   CStdString strLog;
 708   strLog.Format("<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination);
 709   m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 710 }
 711
 712 bool CCECCommandHandler::HandleReceiveFailed(void)
 713 {
 714   /* default = error */
 715   return true;
 716 }
 717
 718 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 719 {
 720   cec_command command;
 721   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
 722
 723   return Transmit(command, false);
 724 }
 725
 726 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 727 {
 728   cec_command command;
 729   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
 730
 731   return Transmit(command, false);
 732 }
 733
 734 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 735 {
 736   cec_command command;
 737   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
 738
 739   return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
 740 }
 741
 742 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 743 {
 744   cec_command command;
 745   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
 746
 747   return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
 748 }
 749
 750 bool CCECCommandHandler::TransmitRequestOSDName(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_OSD_NAME);
 754
 755   return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
 756 }
 757
 758 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 759 {
 760   cec_command command;
 761   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
 762
 763   return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 764 }
 765
 766 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 767 {
 768   cec_command command;
 769   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
 770
 771   return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
 772 }
 773
 774 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 775 {
 776   cec_command command;
 777   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 778
 779   return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
 780 }
 781
 782 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 783 {
 784   cec_command command;
 785   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
 786   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 787   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 788
 789   return Transmit(command, false);
 790 }
 791
 792 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
 793 {
 794   cec_command command;
 795   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
 796   command.parameters.PushBack((uint8_t)cecVersion);
 797
 798   return Transmit(command, false);
 799 }
 800
 801 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 802 {
 803   cec_command command;
 804   cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
 805   command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
 806   command.parameters.PushBack(iPhysicalAddress & 0xFF);
 807
 808   return Transmit(command, false);
 809 }
 810
 811 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
 812 {
 813   cec_command command;
 814   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
 815   command.parameters.PushBack((uint8_t)menuState);
 816
 817   return Transmit(command, false);
 818 }
 819
 820 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
 821 {
 822   cec_command command;
 823   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
 824   for (unsigned int iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
 825     command.parameters.PushBack(strDeviceName.at(iPtr));
 826
 827   return Transmit(command, false);
 828 }
 829
 830 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
 831 {
 832   cec_command command;
 833   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
 834   command.parameters.PushBack((uint8_t)duration);
 835
 836   unsigned int iLen = strlen(strMessage);
 837   if (iLen > 13) iLen = 13;
 838
 839   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
 840     command.parameters.PushBack(strMessage[iPtr]);
 841
 842   return Transmit(command, false);
 843 }
 844
 845 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
 846 {
 847   cec_command command;
 848   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
 849   command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
 850   command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
 851   command.parameters.PushBack((uint8_t) (type));
 852
 853   return Transmit(command, false);
 854 }
 855
 856 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 857 {
 858   cec_command command;
 859   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
 860
 861   return Transmit(command, false);
 862 }
 863
 864 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
 865 {
 866   cec_command command;
 867   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
 868   command.parameters.PushBack((uint8_t) state);
 869
 870   return Transmit(command, false);
 871 }
 872
 873 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
 874 {
 875   cec_command command;
 876   cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
 877
 878   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
 879   command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
 880   command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
 881
 882   return Transmit(command, false);
 883 }
 884
 885 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
 886 {
 887   cec_command command;
 888   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
 889   command.parameters.PushBack(state);
 890
 891   return Transmit(command, false);
 892 }
 893
 894 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 895 {
 896   cec_command command;
 897   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
 898   command.parameters.PushBack((uint8_t)state);
 899
 900   return Transmit(command, false);
 901 }
 902
 903 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
 904 {
 905   cec_command command;
 906   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
 907   command.parameters.PushBack((uint8_t)state);
 908
 909   return Transmit(command, false);
 910 }
 911
 912 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
 913 {
 914   cec_command command;
 915   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
 916   command.PushBack((uint8_t)state);
 917
 918   return Transmit(command, false);
 919 }
 920
 921 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
 922 {
 923   cec_command command;
 924   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
 925   command.parameters.PushBack((uint8_t)key);
 926
 927   return Transmit(command, bWait);
 928 }
 929
 930 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
 931 {
 932   cec_command command;
 933   cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
 934
 935   return Transmit(command, bWait);
 936 }
 937
 938 bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
 939 {
 940   bool bReturn(false);
 941   command.transmit_timeout = m_iTransmitTimeout;
 942
 943   {
 944     uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
 945     CLockObject writeLock(&m_processor->m_transmitMutex);
 946     CLockObject receiveLock(&m_receiveMutex);
 947     ++m_iUseCounter;
 948     while (!bReturn && ++iTries <= iMaxTries)
 949     {
 950       m_expectedResponse = expectedResponse;
 951       if (m_processor->Transmit(command))
 952       {
 953         m_processor->AddLog(CEC_LOG_DEBUG, "command transmitted");
 954         bReturn = bExpectResponse ?
 955             m_condition.Wait(&m_receiveMutex, m_iTransmitWait) :
 956             true;
 957       }
 958     }
 959     --m_iUseCounter;
 960   }
 961
 962   return bReturn;
 963 }
 964
 965 bool CCECCommandHandler::InitHandler(void)
 966 {
 967   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 968   {
 969     CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 970     primary->SetPowerStatus(CEC_POWER_STATUS_ON);
 971     primary->SetMenuState(CEC_MENU_STATE_ACTIVATED);
 972
 973     if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff)
 974     {
 975       m_processor->SetActiveSource();
 976       primary->TransmitMenuState(m_busDevice->GetLogicalAddress());
 977       m_bHandlerInited = true;
 978     }
 979   }
 980   return true;
 981 }
 982
 983 void CCECCommandHandler::MarkBusy(void)
 984 {
 985   CLockObject receiveLock(&m_receiveMutex);
 986   ++m_iUseCounter;
 987 }
 988
 989 bool CCECCommandHandler::MarkReady(void)
 990 {
 991   CLockObject receiveLock(&m_receiveMutex);
 992   return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true;
 993 }
 994
 995 bool CCECCommandHandler::InUse(void)
 996 {
 997   CLockObject receiveLock(&m_receiveMutex);
 998   return m_iUseCounter > 0;
 999 }