src/lib/implementations/VLCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 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 "VLCommandHandler.h"
  34 #include "../devices/CECBusDevice.h"
  35 #include "../CECProcessor.h"
  36 #include "../LibCEC.h"
  37 #include "../CECClient.h"
  38
  39 #define VL_POWER_CHANGE 0x20
  40 #define VL_POWERED_UP   0x00
  41 #define VL_POWERED_DOWN 0x01
  42
  43 using namespace CEC;
  44 using namespace PLATFORM;
  45
  46 #define LIB_CEC     m_busDevice->GetProcessor()->GetLib()
  47 #define ToString(p) LIB_CEC->ToString(p)
  48
  49 CVLCommandHandler::CVLCommandHandler(CCECBusDevice *busDevice) :
  50     CCECCommandHandler(busDevice),
  51     m_bActiveSourcePending(false),
  52     m_bPowerUpEventReceived(false)
  53 {
  54   m_vendorId = CEC_VENDOR_PANASONIC;
  55 }
  56
  57 bool CVLCommandHandler::InitHandler(void)
  58 {
  59   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  60   if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  61   {
  62     /* use the VL commandhandler for the primary device that is handled by libCEC */
  63     if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
  64     {
  65       if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  66       {
  67         primary->SetVendorId(CEC_VENDOR_PANASONIC);
  68         primary->ReplaceHandler(false);
  69       }
  70     }
  71
  72     if (primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
  73       return m_processor->GetPrimaryClient()->ChangeDeviceType(CEC_DEVICE_TYPE_RECORDING_DEVICE, CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
  74   }
  75
  76   return CCECCommandHandler::InitHandler();
  77 }
  78
  79 int CVLCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
  80 {
  81   if (command.parameters[0] != 0x00 ||
  82       command.parameters[1] != 0x80 ||
  83       command.parameters[2] != 0x45)
  84     return CEC_ABORT_REASON_INVALID_OPERAND;
  85
  86   if (command.initiator == CECDEVICE_TV &&
  87       command.destination == CECDEVICE_BROADCAST &&
  88       command.parameters.At(3) == VL_POWER_CHANGE)
  89   {
  90     if (command.parameters.At(4) == VL_POWERED_UP)
  91     {
  92       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV powered up");
  93       {
  94         CLockObject lock(m_mutex);
  95         m_bPowerUpEventReceived = true;
  96       }
  97       m_processor->TransmitPendingActiveSourceCommands();
  98     }
  99     else if (command.parameters.At(4) == VL_POWERED_DOWN)
 100       LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV powered down");
 101     else if (command.parameters.At(4) == VL_POWERED_DOWN)
 102       LIB_CEC->AddLog(CEC_LOG_DEBUG, "unknown vendor command");
 103
 104     return COMMAND_HANDLED;
 105   }
 106
 107   return CCECCommandHandler::HandleDeviceVendorCommandWithId(command);
 108 }
 109
 110 bool CVLCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
 111 {
 112   bool bPowerUpEventReceived(false);
 113
 114   CCECBusDevice *tv = m_processor->GetDevice(CECDEVICE_TV);
 115   if (tv && tv->GetCurrentVendorId() == CEC_VENDOR_PANASONIC)
 116   {
 117     CVLCommandHandler *handler = static_cast<CVLCommandHandler *>(tv->GetHandler());
 118     bPowerUpEventReceived = handler ? handler->PowerUpEventReceived() : false;
 119     tv->MarkHandlerReady();
 120   }
 121
 122   if (!bPowerUpEventReceived)
 123   {
 124     CLockObject lock(m_mutex);
 125     // wait until we received the event
 126     m_bActiveSourcePending = true;
 127     return true;
 128   }
 129   else
 130   {
 131     // transmit standard active source message
 132     return CCECCommandHandler::TransmitActiveSource(iInitiator, iPhysicalAddress);
 133   }
 134 }
 135
 136 bool CVLCommandHandler::TransmitPendingActiveSourceCommands(void)
 137 {
 138   bool bTransmitCommand(false);
 139   {
 140     CLockObject lock(m_mutex);
 141     bTransmitCommand = m_bActiveSourcePending;
 142     m_bActiveSourcePending = false;
 143   }
 144
 145   if (bTransmitCommand)
 146   {
 147     LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
 148     return CCECCommandHandler::TransmitActiveSource(m_busDevice->GetLogicalAddress(), m_busDevice->GetCurrentPhysicalAddress()) &&
 149         TransmitMenuState(m_busDevice->GetLogicalAddress(), CECDEVICE_TV, CEC_MENU_STATE_ACTIVATED);
 150   }
 151   return true;
 152 }
 153
 154 bool CVLCommandHandler::PowerUpEventReceived(void)
 155 {
 156   {
 157     CLockObject lock(m_mutex);
 158     if (m_bPowerUpEventReceived)
 159       return true;
 160   }
 161
 162   cec_logical_address sourceLA = m_busDevice->GetLogicalAddress();
 163   if (sourceLA == CECDEVICE_TV)
 164     sourceLA = m_processor->GetPrimaryDevice()->GetLogicalAddress();
 165
 166   cec_power_status powerStatus = m_busDevice->GetPowerStatus(sourceLA);
 167
 168   CLockObject lock(m_mutex);
 169   m_bPowerUpEventReceived = (powerStatus == CEC_POWER_STATUS_ON);
 170   return m_bPowerUpEventReceived;
 171 }
 172
 173 int CVLCommandHandler::HandleVendorCommand(const cec_command &command)
 174 {
 175   // some vendor command voodoo that will enable more buttons on the remote
 176   if (command.parameters.size == 3 &&
 177       command.parameters[0] == 0x10 &&
 178       command.parameters[1] == 0x01 &&
 179       command.parameters[2] == 0x05)
 180   {
 181     cec_command response;
 182     cec_command::Format(response, command.destination, command.initiator, CEC_OPCODE_VENDOR_COMMAND);
 183     uint8_t iResponseData[] = {0x10, 0x02, 0xFF, 0xFF, 0x00, 0x05, 0x05, 0x45, 0x55, 0x5c, 0x58, 0x32};
 184     response.PushArray(12, iResponseData);
 185
 186     Transmit(response, true);
 187
 188     return COMMAND_HANDLED;
 189   }
 190
 191   return CEC_ABORT_REASON_INVALID_OPERAND;
 192 }
 193