OsStatus MprToneGen::setFlowGraph(MpFlowGraphBase* pFlowGraph)
{
OsStatus res = MpAudioResource::setFlowGraph(pFlowGraph);
if (res == OS_SUCCESS)
{
// Check are we added to flowgraph or removed.
if (pFlowGraph != NULL)
{
mpToneGenState = MpToneGen_MpToneGen(mpFlowGraph->getSamplesPerSec(),
mpLocale);
}
else
{
MpToneGen_delete(mpToneGenState);
}
}
return res;
}
// Constructor
MprToneGen::MprToneGen(const UtlString& rName,
int samplesPerFrame, int samplesPerSec,
const char* locale)
: MpResource(rName, 0, 1, 1, 1, samplesPerFrame, samplesPerSec),
mpToneGenState(NULL)
{
// If we haven't yet initialized our static variables, do so now
if (sNeedsStaticInit)
{
if (locale != NULL)
{
// get the call progress tones locale setting
// (represented using an ISO-3166 two letter country code)
strncpy(sCallProgressTonesLocale, locale, 2);
sCallProgressTonesLocale[2] = '\0';
}
sNeedsStaticInit = FALSE;
}
mpToneGenState = MpToneGen_MpToneGen(samplesPerSec,
sCallProgressTonesLocale);
}
