+ CLockObject lock(&m_writeMutex);
+ if (m_systemAudioStatus != mode)
+ {
+ CStdString strLog;
+ strLog.Format(">> %s (%X): system audio mode changed from %s to %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_systemAudioStatus), ToString(mode));
+ AddLog(CEC_LOG_DEBUG, strLog.c_str());
+
+ m_systemAudioStatus = mode;
+ return true;
+ }
+
+ return false;
+}
+
+bool CCECAudioSystem::SetSystemAudioMode(const cec_command &command)
+{
+ SetSystemAudioMode((command.parameters.size == 0) ?
+ CEC_SYSTEM_AUDIO_STATUS_OFF :
+ CEC_SYSTEM_AUDIO_STATUS_ON);
+
+ return TransmitAudioStatus(command.initiator);
+}
+
+bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest)
+{
+ CLockObject lock(&m_writeMutex);
+ CStdString strLog;
+ strLog.Format("<< %x -> %x: audio status '%2x'", m_iLogicalAddress, dest, m_audioStatus);
+ AddLog(CEC_LOG_NOTICE, strLog);
+
+ cec_command command;
+ cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_REPORT_AUDIO_STATUS);
+ command.parameters.PushBack(m_audioStatus);
+
+ return m_processor->Transmit(command);
+}
+
+bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest)
+{
+ CLockObject lock(&m_writeMutex);
+ CStdString strLog;
+ strLog.Format("<< %x -> %x: system audio mode '%s'", m_iLogicalAddress, dest, ToString(m_systemAudioStatus));
+ AddLog(CEC_LOG_NOTICE, strLog);
+
+ cec_command command;
+ cec_command::Format(command, m_iLogicalAddress, dest, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
+ command.parameters.PushBack((uint8_t) m_systemAudioStatus);
+
+ return m_processor->Transmit(command);
+}
+
+uint8_t CCECAudioSystem::VolumeUp(bool bWait /* = true */)
+{
+ if (SendKeypress(CEC_USER_CONTROL_CODE_VOLUME_UP))
+ SendKeyRelease(bWait);
+
+ CLockObject lock(&m_mutex);
+ return m_audioStatus;
+}
+
+uint8_t CCECAudioSystem::VolumeDown(bool bWait /* = true */)
+{
+ if (SendKeypress(CEC_USER_CONTROL_CODE_VOLUME_DOWN))
+ SendKeyRelease(bWait);
+
+ CLockObject lock(&m_mutex);
+ return m_audioStatus;
+}
+
+uint8_t CCECAudioSystem::MuteAudio(bool bWait /* = true */)
+{
+ if (SendKeypress(CEC_USER_CONTROL_CODE_MUTE))
+ SendKeyRelease(bWait);
+
+ CLockObject lock(&m_mutex);
+ return m_audioStatus;