d3c674c5265f57c321fd65db0f853d0a3f4f716c
[deb_libcec.git] / CECAudioSystem.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 "CECAudioSystem.h"
34 #include "../CECProcessor.h"
35 #include "../implementations/CECCommandHandler.h"
36 #include "../LibCEC.h"
37
38 using namespace CEC;
39 using namespace PLATFORM;
40
41 #define LIB_CEC m_processor->GetLib()
42 #define ToString(p) LIB_CEC->ToString(p)
43
44 CCECAudioSystem::CCECAudioSystem(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
45 CCECBusDevice(processor, address, iPhysicalAddress),
46 m_systemAudioStatus(CEC_SYSTEM_AUDIO_STATUS_ON),
47 m_audioStatus(CEC_AUDIO_MUTE_STATUS_MASK)
48 {
49 m_type = CEC_DEVICE_TYPE_AUDIO_SYSTEM;
50 }
51
52 bool CCECAudioSystem::SetAudioStatus(uint8_t status)
53 {
54 CLockObject lock(m_mutex);
55 if (m_audioStatus != status)
56 {
57 LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%X): audio status changed from %2x to %2x", GetLogicalAddressName(), m_iLogicalAddress, m_audioStatus, status);
58 m_audioStatus = status;
59 return true;
60 }
61
62 return false;
63 }
64
65 bool CCECAudioSystem::SetSystemAudioModeStatus(const cec_system_audio_status mode)
66 {
67 CLockObject lock(m_mutex);
68 if (m_systemAudioStatus != mode)
69 {
70 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));
71 m_systemAudioStatus = mode;
72 return true;
73 }
74
75 return false;
76 }
77
78 bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest)
79 {
80 uint8_t state;
81 {
82 CLockObject lock(m_mutex);
83 LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %x -> %x: audio status '%2x'", m_iLogicalAddress, dest, m_audioStatus);
84 state = m_audioStatus;
85 }
86
87 return m_handler->TransmitAudioStatus(m_iLogicalAddress, dest, state);
88 }
89
90 bool CCECAudioSystem::TransmitSetSystemAudioMode(cec_logical_address dest)
91 {
92 cec_system_audio_status state;
93 {
94 CLockObject lock(m_mutex);
95 LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %x -> %x: set system audio mode '%2x'", m_iLogicalAddress, dest, m_audioStatus);
96 state = m_systemAudioStatus;
97 }
98
99 return m_handler->TransmitSetSystemAudioMode(m_iLogicalAddress, dest, state);
100 }
101
102 bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest)
103 {
104 cec_system_audio_status state;
105 {
106 CLockObject lock(m_mutex);
107 LIB_CEC->AddLog(CEC_LOG_NOTICE, "<< %x -> %x: system audio mode '%s'", m_iLogicalAddress, dest, ToString(m_systemAudioStatus));
108 state = m_systemAudioStatus;
109 }
110
111 return m_handler->TransmitSystemAudioModeStatus(m_iLogicalAddress, dest, state);
112 }
113
114 uint8_t CCECAudioSystem::VolumeUp(const cec_logical_address source, bool bSendRelease /* = true */)
115 {
116 TransmitKeypress(source, CEC_USER_CONTROL_CODE_VOLUME_UP);
117 if (bSendRelease)
118 TransmitKeyRelease(source);
119
120 CLockObject lock(m_mutex);
121 return m_audioStatus;
122 }
123
124 uint8_t CCECAudioSystem::VolumeDown(const cec_logical_address source, bool bSendRelease /* = true */)
125 {
126 TransmitKeypress(source, CEC_USER_CONTROL_CODE_VOLUME_DOWN);
127 if (bSendRelease)
128 TransmitKeyRelease(source);
129
130 CLockObject lock(m_mutex);
131 return m_audioStatus;
132 }
133
134 uint8_t CCECAudioSystem::MuteAudio(const cec_logical_address source)
135 {
136 TransmitKeypress(source, CEC_USER_CONTROL_CODE_MUTE);
137 TransmitKeyRelease(source);
138
139 CLockObject lock(m_mutex);
140 return m_audioStatus;
141 }