Method getInputAutomatic

Switch/Switch.cpp:154–168

return the first connected input with a non-empty RoD

    // return the first connected input with a non-empty RoD
    int getInputAutomatic(double time)
    {
        unsigned i;

        for (i = 0; i < _srcClip.size(); ++i) {
            if ( _srcClip[i] && _srcClip[i]->isConnected() ) {
                OfxRectD rod = _srcClip[i]->getRegionOfDefinition(time);
                if ( !Coords::rectIsEmpty(rod) ) {
                    return (int)i;
                }
            }
        }

        return 0; // no input
    }

    // do not need to delete these, the ImageEffect is managing them for us
    Clip* _dstClip;