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cbbe90dd JB |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
4 | * libCEC(R) is Copyright (C) 2011-2013 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_VOLUME_STATUS_UNKNOWN) | |
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 | return GetAudioStatus(source, true); | |
143 | } | |
144 | ||
145 | bool CCECAudioSystem::RequestAudioStatus(const cec_logical_address initiator, bool bWaitForResponse /* = true */) | |
146 | { | |
147 | bool bReturn(false); | |
148 | ||
149 | if (!IsHandledByLibCEC() && | |
150 | !IsUnsupportedFeature(CEC_OPCODE_GIVE_AUDIO_STATUS)) | |
151 | { | |
152 | MarkBusy(); | |
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); | |
155 | MarkReady(); | |
156 | } | |
157 | return bReturn; | |
158 | } | |
159 | ||
160 | uint8_t CCECAudioSystem::GetAudioStatus(const cec_logical_address initiator, bool bUpdate /* = false */) | |
161 | { | |
162 | bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT); | |
163 | bool bRequestUpdate(false); | |
164 | { | |
165 | CLockObject lock(m_mutex); | |
166 | bRequestUpdate = bIsPresent && | |
167 | (bUpdate || m_audioStatus == CEC_AUDIO_VOLUME_STATUS_UNKNOWN); | |
168 | } | |
169 | ||
170 | if (bRequestUpdate) | |
171 | { | |
172 | CheckVendorIdRequested(initiator); | |
173 | RequestAudioStatus(initiator); | |
174 | } | |
175 | ||
176 | CLockObject lock(m_mutex); | |
177 | return m_audioStatus; | |
178 | } |