| 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 | |
| 38 | #define VL_POWER_CHANGE 0x20 |
| 39 | #define VL_POWERED_UP 0x00 |
| 40 | #define VL_POWERED_DOWN 0x01 |
| 41 | |
| 42 | using namespace CEC; |
| 43 | using namespace PLATFORM; |
| 44 | |
| 45 | CVLCommandHandler::CVLCommandHandler(CCECBusDevice *busDevice) : |
| 46 | CCECCommandHandler(busDevice), |
| 47 | m_bActiveSourcePending(false), |
| 48 | m_bPowerUpEventReceived(false) |
| 49 | { |
| 50 | m_vendorId = CEC_VENDOR_PANASONIC; |
| 51 | |
| 52 | /* use the VL commandhandler for the primary device that is handled by libCEC */ |
| 53 | if (busDevice->GetLogicalAddress() == CECDEVICE_TV) |
| 54 | { |
| 55 | CCECBusDevice *primary = m_processor->GetPrimaryDevice(); |
| 56 | if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress()) |
| 57 | { |
| 58 | primary->SetVendorId(CEC_VENDOR_PANASONIC); |
| 59 | primary->ReplaceHandler(false); |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | bool CVLCommandHandler::InitHandler(void) |
| 65 | { |
| 66 | CCECBusDevice *primary = m_processor->GetPrimaryDevice(); |
| 67 | if (primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) |
| 68 | return m_processor->ChangeDeviceType(CEC_DEVICE_TYPE_RECORDING_DEVICE, CEC_DEVICE_TYPE_PLAYBACK_DEVICE); |
| 69 | |
| 70 | return CCECCommandHandler::InitHandler(); |
| 71 | } |
| 72 | |
| 73 | bool CVLCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command) |
| 74 | { |
| 75 | if (command.initiator == CECDEVICE_TV && |
| 76 | command.destination == CECDEVICE_BROADCAST && |
| 77 | command.parameters.At(3) == VL_POWER_CHANGE) |
| 78 | { |
| 79 | if (command.parameters.At(4) == VL_POWERED_UP) |
| 80 | { |
| 81 | CLibCEC::AddLog(CEC_LOG_DEBUG, "TV powered up"); |
| 82 | { |
| 83 | CLockObject lock(m_mutex); |
| 84 | m_bPowerUpEventReceived = true; |
| 85 | } |
| 86 | m_processor->TransmitPendingActiveSourceCommands(); |
| 87 | } |
| 88 | else if (command.parameters.At(4) == VL_POWERED_DOWN) |
| 89 | CLibCEC::AddLog(CEC_LOG_DEBUG, "TV powered down"); |
| 90 | else if (command.parameters.At(4) == VL_POWERED_DOWN) |
| 91 | CLibCEC::AddLog(CEC_LOG_DEBUG, "unknown vendor command"); |
| 92 | |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | return CCECCommandHandler::HandleDeviceVendorCommandWithId(command); |
| 97 | } |
| 98 | |
| 99 | bool CVLCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress) |
| 100 | { |
| 101 | bool bPowerUpEventReceived(false); |
| 102 | |
| 103 | CCECBusDevice *tv = m_processor->m_busDevices[CECDEVICE_TV]; |
| 104 | if (tv && tv->GetVendorId(false) == CEC_VENDOR_PANASONIC) |
| 105 | { |
| 106 | CVLCommandHandler *handler = static_cast<CVLCommandHandler *>(tv->GetHandler()); |
| 107 | bPowerUpEventReceived = handler ? handler->PowerUpEventReceived() : false; |
| 108 | } |
| 109 | |
| 110 | if (!bPowerUpEventReceived) |
| 111 | { |
| 112 | CLockObject lock(m_mutex); |
| 113 | // wait until we received the event |
| 114 | m_bActiveSourcePending = true; |
| 115 | return true; |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | // transmit standard active source message |
| 120 | return CCECCommandHandler::TransmitActiveSource(iInitiator, iPhysicalAddress); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | bool CVLCommandHandler::TransmitPendingActiveSourceCommands(void) |
| 125 | { |
| 126 | bool bTransmitCommand(false); |
| 127 | { |
| 128 | CLockObject lock(m_mutex); |
| 129 | bTransmitCommand = m_bActiveSourcePending; |
| 130 | m_bActiveSourcePending = false; |
| 131 | } |
| 132 | |
| 133 | if (bTransmitCommand) |
| 134 | { |
| 135 | CLibCEC::AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command"); |
| 136 | return CCECCommandHandler::TransmitActiveSource(m_busDevice->GetLogicalAddress(), m_busDevice->GetPhysicalAddress(false, true)); |
| 137 | } |
| 138 | return true; |
| 139 | } |
| 140 | |
| 141 | bool CVLCommandHandler::PowerUpEventReceived(void) |
| 142 | { |
| 143 | { |
| 144 | CLockObject lock(m_mutex); |
| 145 | if (m_bPowerUpEventReceived) |
| 146 | return true; |
| 147 | } |
| 148 | |
| 149 | cec_power_status powerStatus = m_busDevice->GetPowerStatus(); |
| 150 | |
| 151 | CLockObject lock(m_mutex); |
| 152 | m_bPowerUpEventReceived = (powerStatus == CEC_POWER_STATUS_ON); |
| 153 | return m_bPowerUpEventReceived; |
| 154 | } |