private void fill_scans(ref int scanIndex, int ncomps, int Ss, int Se, int Ah, int Al)
{
for (int ci = 0; ci < ncomps; ci++)
{
m_script_space[scanIndex].comps_in_scan = 1;
m_script_space[scanIndex].component_index[0] = ci;
m_script_space[scanIndex].Ss = Ss;
m_script_space[scanIndex].Se = Se;
m_script_space[scanIndex].Ah = Ah;
m_script_space[scanIndex].Al = Al;
scanIndex++;
}
}