cec: refactor CEC read/write. keep a single lock for all writes, not one per device
[deb_libcec.git] / src / lib / devices / CECPlaybackDevice.cpp
1 /*
2 * This file is part of the libCEC(R) library.
3 *
4 * libCEC(R) is Copyright (C) 2011 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 "CECPlaybackDevice.h"
34 #include "../implementations/CECCommandHandler.h"
35 #include "../CECProcessor.h"
36
37 using namespace CEC;
38
39 #define ToString(p) m_processor->ToString(p)
40
41 CCECPlaybackDevice::CCECPlaybackDevice(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = 0 */) :
42 CCECBusDevice(processor, address, iPhysicalAddress),
43 m_deckStatus(CEC_DECK_INFO_STOP),
44 m_deckControlMode(CEC_DECK_CONTROL_MODE_STOP)
45 {
46 m_type = CEC_DEVICE_TYPE_PLAYBACK_DEVICE;
47 }
48
49 cec_deck_info CCECPlaybackDevice::GetDeckStatus(void)
50 {
51 CLockObject lock(&m_mutex);
52 return m_deckStatus;
53 }
54
55 void CCECPlaybackDevice::SetDeckStatus(cec_deck_info deckStatus)
56 {
57 CLockObject lock(&m_writeMutex);
58 if (m_deckStatus != deckStatus && m_deckStatus != CEC_DECK_INFO_OTHER_STATUS_LG)
59 {
60 CStdString strLog;
61 strLog.Format(">> %s (%X): deck status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_deckStatus), ToString(deckStatus));
62 AddLog(CEC_LOG_DEBUG, strLog.c_str());
63
64 m_deckStatus = deckStatus;
65 }
66 }
67
68 cec_deck_control_mode CCECPlaybackDevice::GetDeckControlMode(void)
69 {
70 CLockObject lock(&m_mutex);
71 return m_deckControlMode;
72 }
73
74 void CCECPlaybackDevice::SetDeckControlMode(cec_deck_control_mode mode)
75 {
76 CLockObject lock(&m_writeMutex);
77 if (m_deckControlMode != mode)
78 {
79 CStdString strLog;
80 strLog.Format(">> %s (%X): deck control mode changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_deckControlMode), ToString(mode));
81 AddLog(CEC_LOG_DEBUG, strLog.c_str());
82
83 m_deckControlMode = mode;
84 }
85 }
86
87 bool CCECPlaybackDevice::TransmitDeckStatus(cec_logical_address dest)
88 {
89 cec_deck_info state;
90 {
91 CLockObject lock(&m_writeMutex);
92 CStdString strLog;
93 strLog.Format("<< %s (%X) -> %s (%X): deck status '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_deckStatus));
94 AddLog(CEC_LOG_NOTICE, strLog);
95 state = m_deckStatus;
96 }
97
98 return m_handler->TransmitDeckStatus(m_iLogicalAddress, dest, state);
99 }