src/lib/devices/CECAudioSystem.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 "CECAudioSystem.h"
  34 #include "../CECProcessor.h"
  35
  36 using namespace CEC;
  37
  38 CCECAudioSystem::CCECAudioSystem(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = 0 */) :
  39     CCECBusDevice(processor, address, iPhysicalAddress),
  40     m_systemAudioStatus(CEC_SYSTEM_AUDIO_STATUS_ON),
  41     m_audioStatus(CEC_AUDIO_MUTE_STATUS_MASK)
  42 {
  43   m_type          = CEC_DEVICE_TYPE_AUDIO_SYSTEM;
  44 }
  45
  46 bool CCECAudioSystem::SetSystemAudioMode(const cec_command &command)
  47 {
  48   m_systemAudioStatus = (command.parameters.size == 0) ?
  49     CEC_SYSTEM_AUDIO_STATUS_OFF :
  50   CEC_SYSTEM_AUDIO_STATUS_ON;
  51
  52   return TransmitAudioStatus(command.initiator);
  53 }
  54
  55 bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest)
  56 {
  57   CStdString strLog;
  58   strLog.Format("<< %x -> %x: audio status '%2x'", m_iLogicalAddress, dest, m_audioStatus);
  59   AddLog(CEC_LOG_NOTICE, strLog);
  60
  61   cec_command command;
  62   cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_REPORT_AUDIO_STATUS);
  63   command.parameters.push_back((uint8_t) m_audioStatus);
  64
  65   return m_processor->Transmit(command);
  66 }
  67
  68 bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest)
  69 {
  70   CStdString strLog;
  71   strLog.Format("<< %x -> %x: system audio mode '%2x'", m_iLogicalAddress, dest, m_systemAudioStatus);
  72   AddLog(CEC_LOG_NOTICE, strLog);
  73
  74   cec_command command;
  75   cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
  76   command.parameters.push_back((uint8_t) m_systemAudioStatus);
  77
  78   return m_processor->Transmit(command);
  79 }