| 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 "env.h" |
| 34 | #include "CECAudioSystem.h" |
| 35 | |
| 36 | #include "lib/CECProcessor.h" |
| 37 | #include "lib/implementations/CECCommandHandler.h" |
| 38 | #include "lib/LibCEC.h" |
| 39 | #include "lib/CECTypeUtils.h" |
| 40 | |
| 41 | using namespace CEC; |
| 42 | using namespace PLATFORM; |
| 43 | |
| 44 | #define LIB_CEC m_processor->GetLib() |
| 45 | #define ToString(p) CCECTypeUtils::ToString(p) |
| 46 | |
| 47 | CCECAudioSystem::CCECAudioSystem(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) : |
| 48 | CCECBusDevice(processor, address, iPhysicalAddress), |
| 49 | m_systemAudioStatus(CEC_SYSTEM_AUDIO_STATUS_ON), |
| 50 | m_audioStatus(CEC_AUDIO_MUTE_STATUS_MASK) |
| 51 | { |
| 52 | m_type = CEC_DEVICE_TYPE_AUDIO_SYSTEM; |
| 53 | } |
| 54 | |
| 55 | bool CCECAudioSystem::SetAudioStatus(uint8_t status) |
| 56 | { |
| 57 | CLockObject lock(m_mutex); |
| 58 | if (m_audioStatus != status) |
| 59 | { |
| 60 | LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%X): audio status changed from %2x to %2x", GetLogicalAddressName(), m_iLogicalAddress, m_audioStatus, status); |
| 61 | m_audioStatus = status; |
| 62 | return true; |
| 63 | } |
| 64 | |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | bool CCECAudioSystem::SetSystemAudioModeStatus(const cec_system_audio_status mode) |
| 69 | { |
| 70 | CLockObject lock(m_mutex); |
| 71 | if (m_systemAudioStatus != mode) |
| 72 | { |
| 73 | LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%X): system audio mode status changed from %s to %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_systemAudioStatus), ToString(mode)); |
| 74 | m_systemAudioStatus = mode; |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest, bool bIsReply) |
| 82 | { |
| 83 | uint8_t state; |
| 84 | { |
| 85 | CLockObject lock(m_mutex); |
| 86 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %x -> %x: audio status '%2x'", m_iLogicalAddress, dest, m_audioStatus); |
| 87 | state = m_audioStatus; |
| 88 | } |
| 89 | |
| 90 | return m_handler->TransmitAudioStatus(m_iLogicalAddress, dest, state, bIsReply); |
| 91 | } |
| 92 | |
| 93 | bool CCECAudioSystem::TransmitSetSystemAudioMode(cec_logical_address dest, bool bIsReply) |
| 94 | { |
| 95 | cec_system_audio_status state; |
| 96 | { |
| 97 | CLockObject lock(m_mutex); |
| 98 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %x -> %x: set system audio mode '%2x'", m_iLogicalAddress, dest, m_audioStatus); |
| 99 | state = m_systemAudioStatus; |
| 100 | } |
| 101 | |
| 102 | return m_handler->TransmitSetSystemAudioMode(m_iLogicalAddress, dest, state, bIsReply); |
| 103 | } |
| 104 | |
| 105 | bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest, bool bIsReply) |
| 106 | { |
| 107 | cec_system_audio_status state; |
| 108 | { |
| 109 | CLockObject lock(m_mutex); |
| 110 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %x -> %x: system audio mode '%s'", m_iLogicalAddress, dest, ToString(m_systemAudioStatus)); |
| 111 | state = m_systemAudioStatus; |
| 112 | } |
| 113 | |
| 114 | return m_handler->TransmitSystemAudioModeStatus(m_iLogicalAddress, dest, state, bIsReply); |
| 115 | } |
| 116 | |
| 117 | uint8_t CCECAudioSystem::VolumeUp(const cec_logical_address source, bool bSendRelease /* = true */) |
| 118 | { |
| 119 | TransmitKeypress(source, CEC_USER_CONTROL_CODE_VOLUME_UP); |
| 120 | if (bSendRelease) |
| 121 | TransmitKeyRelease(source); |
| 122 | |
| 123 | CLockObject lock(m_mutex); |
| 124 | return m_audioStatus; |
| 125 | } |
| 126 | |
| 127 | uint8_t CCECAudioSystem::VolumeDown(const cec_logical_address source, bool bSendRelease /* = true */) |
| 128 | { |
| 129 | TransmitKeypress(source, CEC_USER_CONTROL_CODE_VOLUME_DOWN); |
| 130 | if (bSendRelease) |
| 131 | TransmitKeyRelease(source); |
| 132 | |
| 133 | CLockObject lock(m_mutex); |
| 134 | return m_audioStatus; |
| 135 | } |
| 136 | |
| 137 | uint8_t CCECAudioSystem::MuteAudio(const cec_logical_address source) |
| 138 | { |
| 139 | TransmitKeypress(source, CEC_USER_CONTROL_CODE_MUTE); |
| 140 | TransmitKeyRelease(source); |
| 141 | |
| 142 | CLockObject lock(m_mutex); |
| 143 | return m_audioStatus; |
| 144 | } |