+using namespace PLATFORM;
+
+#define LIB_CEC m_processor->GetLib()
+#define ToString(p) CCECTypeUtils::ToString(p)
+
+CCECAudioSystem::CCECAudioSystem(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */) :
+ CCECBusDevice(processor, address, iPhysicalAddress),
+ m_systemAudioStatus(CEC_SYSTEM_AUDIO_STATUS_ON),
+ m_audioStatus(CEC_AUDIO_MUTE_STATUS_MASK)
+{
+ m_type = CEC_DEVICE_TYPE_AUDIO_SYSTEM;
+}
+
+bool CCECAudioSystem::SetAudioStatus(uint8_t status)
+{
+ CLockObject lock(m_mutex);
+ if (m_audioStatus != status)
+ {
+ LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%X): audio status changed from %2x to %2x", GetLogicalAddressName(), m_iLogicalAddress, m_audioStatus, status);
+ m_audioStatus = status;
+ return true;
+ }
+
+ return false;
+}
+
+bool CCECAudioSystem::SetSystemAudioModeStatus(const cec_system_audio_status mode)
+{
+ CLockObject lock(m_mutex);
+ if (m_systemAudioStatus != mode)
+ {
+ 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));
+ m_systemAudioStatus = mode;
+ return true;
+ }
+
+ return false;
+}
+
+bool CCECAudioSystem::TransmitAudioStatus(cec_logical_address dest, bool bIsReply)
+{
+ uint8_t state;
+ {
+ CLockObject lock(m_mutex);
+ LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< %x -> %x: audio status '%2x'", m_iLogicalAddress, dest, m_audioStatus);
+ state = m_audioStatus;
+ }
+
+ return m_handler->TransmitAudioStatus(m_iLogicalAddress, dest, state, bIsReply);
+}