// overrides the native GetTrackGUID(): returns a special GUID for the master track
// (useful for persistence as no GUID is stored in RPP files for the master..)
// note: TrackToGuid(NULL) will return also NULL, contrary to GetTrackGUID(NULL)
const GUID* TrackToGuid(MediaTrack* tr)
{
if (tr)
{
if (tr == GetMasterTrack(NULL))
return &GUID_NULL;
else
return GetTrackGUID(tr);
}
return NULL;
}
bool TrackMatchesGuid(MediaTrack* tr, const GUID* g)
{
if (tr && g)
{
if (GuidsEqual(GetTrackGUID(tr), g))
return true;
// 2nd try for the master
if (tr == GetMasterTrack(NULL))
return GuidsEqual(g, &GUID_NULL);
}
return false;
}
GUID *RprTrack::getGUID()
{
return GetTrackGUID(mTrack);
}
