cec: fixed possible deadlock because of a negative timeout in CAdapterCommunication...
[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 #include "../LibCEC.h"
37
38 using namespace CEC;
39 using namespace PLATFORM;
40
41 #define ToString(p) m_processor->ToString(p)
42
43 CCECPlaybackDevice::CCECPlaybackDevice(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = 0 */) :
44 CCECBusDevice(processor, address, iPhysicalAddress),
45 m_deckStatus(CEC_DECK_INFO_STOP),
46 m_deckControlMode(CEC_DECK_CONTROL_MODE_STOP)
47 {
48 m_type = CEC_DEVICE_TYPE_PLAYBACK_DEVICE;
49 }
50
51 cec_deck_info CCECPlaybackDevice::GetDeckStatus(void)
52 {
53 CLockObject lock(m_mutex);
54 return m_deckStatus;
55 }
56
57 void CCECPlaybackDevice::SetDeckStatus(cec_deck_info deckStatus)
58 {
59 CLockObject lock(m_mutex);
60 if (m_deckStatus != deckStatus && m_deckStatus != CEC_DECK_INFO_OTHER_STATUS_LG)
61 {
62 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): deck status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_deckStatus), ToString(deckStatus));
63 m_deckStatus = deckStatus;
64 }
65 }
66
67 cec_deck_control_mode CCECPlaybackDevice::GetDeckControlMode(void)
68 {
69 CLockObject lock(m_mutex);
70 return m_deckControlMode;
71 }
72
73 void CCECPlaybackDevice::SetDeckControlMode(cec_deck_control_mode mode)
74 {
75 CLockObject lock(m_mutex);
76 if (m_deckControlMode != mode)
77 {
78 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): deck control mode changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_deckControlMode), ToString(mode));
79 m_deckControlMode = mode;
80 }
81 }
82
83 bool CCECPlaybackDevice::TransmitDeckStatus(cec_logical_address dest)
84 {
85 cec_deck_info state;
86 {
87 CLockObject lock(m_mutex);
88 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): deck status '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_deckStatus));
89 state = m_deckStatus;
90 }
91
92 return m_handler->TransmitDeckStatus(m_iLogicalAddress, dest, state);
93 }