status_t AudioHardwareWrapper::initCheck()
{
status_t s = mHardware->initCheck();
LOGV("AudioHardwareWrapper::initCheck() = %d", s);
setMasterMute(false);
setMode(AudioSystem::MODE_NORMAL);
return s;
}
/**
Mutes/Unmutes a session. If sessionId=-1, info about master
*/
bool setSessionMute(const int sessionId, const bool mute){
int sessionCount = getSessionID();
if (sessionId == -1)
return setMasterMute(mute);
if (sessionId >= sessionCount || sessionId < 0) {
errorMessage = ERRMSG_UNDEFINEDSESSIONID;
return false;
}
CComPtr<IAudioSessionControl> pSessionControl;
CComPtr<ISimpleAudioVolume> pSAV;
// Get SessionControl
if (FAILED(pAudioSessionEnumerator->GetSession(sessionId, &pSessionControl))){
errorMessage = ERRMSG_SESSIONCONTROL_INIT_FAILED;
return false;
}
// Ask for SimpleAudioVolume
if (FAILED(pSessionControl->QueryInterface(__uuidof(ISimpleAudioVolume), (VOID**)&pSAV))){
errorMessage = ERRMSG_AUDIOVOLUME_INIT_FAILED;
return false;
}
errorMessage = ERRMSG_OK;
return S_OK == pSAV->SetMute(mute, NULL);
}