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fix for audio routing to TV #137

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fix for audio routing to TV #137

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7 changes: 7 additions & 0 deletions src/libcec/devices/CECBusDevice.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1032,6 +1032,13 @@ bool CCECBusDevice::ActivateSource(uint64_t iDelay /* = 0 */)
LIB_CEC->AddLog(CEC_LOG_DEBUG, "powering up the AVR");
audioSystem->PowerOn(m_iLogicalAddress);
}

/* Some TVs are doesn't send 'use external speakers' */
if (audioSystem && audioSystem->IsPresent())
{
LIB_CEC->AddLog(CEC_LOG_DEBUG, "explicitly routing sound to AVR");
m_handler->TransmitSystemAudioModeRequest(m_iLogicalAddress, m_iPhysicalAddress, true);
}
}

LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending active source message for '%s'", ToString(m_iLogicalAddress));
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10 changes: 10 additions & 0 deletions src/libcec/implementations/CECCommandHandler.cpp
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Expand Up @@ -1156,6 +1156,16 @@ bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsRep
return Transmit(command, false, bIsReply);
}

bool CCECCommandHandler::TransmitSystemAudioModeRequest(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
{
cec_command command;
cec_command::Format(command, iInitiator, CECDEVICE_AUDIOSYSTEM, CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST);
command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));

return Transmit(command, false, bIsReply);
}

bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
{
cec_command command;
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1 change: 1 addition & 0 deletions src/libcec/implementations/CECCommandHandler.h
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Expand Up @@ -90,6 +90,7 @@ namespace CEC
virtual bool TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint64_t iVendorId, bool bIsReply);
virtual bool TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply);
virtual bool TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply);
virtual bool TransmitSystemAudioModeRequest(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply);
virtual bool TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply);
virtual bool TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply);
virtual bool TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait = true);
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