2 * This file is part of the libCEC(R) library.
4 * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
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.
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.
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.
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
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/
34 #include "CECAudioSystem.h"
36 #include "lib/CECProcessor.h"
37 #include "lib/implementations/CECCommandHandler.h"
38 #include "lib/LibCEC.h"
39 #include "lib/CECTypeUtils.h"
42 using namespace PLATFORM
;
44 #define LIB_CEC m_processor->GetLib()
45 #define ToString(p) CCECTypeUtils::ToString(p)
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_VOLUME_STATUS_UNKNOWN
)
52 m_type
= CEC_DEVICE_TYPE_AUDIO_SYSTEM
;
55 bool CCECAudioSystem::SetAudioStatus(uint8_t status
)
57 CLockObject
lock(m_mutex
);
58 if (m_audioStatus
!= status
)
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
;
68 bool CCECAudioSystem::SetSystemAudioModeStatus(const cec_system_audio_status mode
)
70 CLockObject
lock(m_mutex
);
71 if (m_systemAudioStatus
!= mode
)
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
;
81 bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest
, bool bIsReply
)
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
;
90 return m_handler
->TransmitAudioStatus(m_iLogicalAddress
, dest
, state
, bIsReply
);
93 bool CCECAudioSystem::TransmitSetSystemAudioMode(cec_logical_address dest
, bool bIsReply
)
95 cec_system_audio_status state
;
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
;
102 return m_handler
->TransmitSetSystemAudioMode(m_iLogicalAddress
, dest
, state
, bIsReply
);
105 bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest
, bool bIsReply
)
107 cec_system_audio_status state
;
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
;
114 return m_handler
->TransmitSystemAudioModeStatus(m_iLogicalAddress
, dest
, state
, bIsReply
);
117 uint8_t CCECAudioSystem::VolumeUp(const cec_logical_address source
, bool bSendRelease
/* = true */)
119 TransmitKeypress(source
, CEC_USER_CONTROL_CODE_VOLUME_UP
);
121 TransmitKeyRelease(source
);
123 CLockObject
lock(m_mutex
);
124 return m_audioStatus
;
127 uint8_t CCECAudioSystem::VolumeDown(const cec_logical_address source
, bool bSendRelease
/* = true */)
129 TransmitKeypress(source
, CEC_USER_CONTROL_CODE_VOLUME_DOWN
);
131 TransmitKeyRelease(source
);
133 CLockObject
lock(m_mutex
);
134 return m_audioStatus
;
137 uint8_t CCECAudioSystem::MuteAudio(const cec_logical_address source
)
139 TransmitKeypress(source
, CEC_USER_CONTROL_CODE_MUTE
);
140 TransmitKeyRelease(source
);
142 return GetAudioStatus(source
, true);
145 bool CCECAudioSystem::RequestAudioStatus(const cec_logical_address initiator
, bool bWaitForResponse
/* = true */)
149 if (!IsHandledByLibCEC() &&
150 !IsUnsupportedFeature(CEC_OPCODE_GIVE_AUDIO_STATUS
))
153 LIB_CEC
->AddLog(CEC_LOG_DEBUG
, "<< requesting audio status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress
);
154 bReturn
= m_handler
->TransmitRequestAudioStatus(initiator
, m_iLogicalAddress
, bWaitForResponse
);
160 uint8_t CCECAudioSystem::GetAudioStatus(const cec_logical_address initiator
, bool bUpdate
/* = false */)
162 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT
);
163 bool bRequestUpdate(false);
165 CLockObject
lock(m_mutex
);
166 bRequestUpdate
= bIsPresent
&&
167 (bUpdate
|| m_audioStatus
== CEC_AUDIO_VOLUME_STATUS_UNKNOWN
);
172 CheckVendorIdRequested(initiator
);
173 RequestAudioStatus(initiator
);
176 CLockObject
lock(m_mutex
);
177 return m_audioStatus
;