496 fill_scans (jpeg_scan_info * scanptr, int ncomps,  in fill_scans()  argument
502   for (ci = 0; ci < ncomps; ci++) {  in fill_scans()
515 fill_dc_scans (jpeg_scan_info * scanptr, int ncomps, int Ah, int Al)  in fill_dc_scans()  argument
520   if (ncomps <= MAX_COMPS_IN_SCAN) {  in fill_dc_scans()
522     scanptr->comps_in_scan = ncomps;  in fill_dc_scans()
523     for (ci = 0; ci < ncomps; ci++)  in fill_dc_scans()
531     scanptr = fill_scans(scanptr, ncomps, 0, 0, Ah, Al);  in fill_dc_scans()
545   int ncomps = cinfo->num_components;  in jpeg_simple_progression()  local
554   if (ncomps == 3 && cinfo->jpeg_color_space == JCS_YCbCr) {  in jpeg_simple_progression()
559     if (ncomps > MAX_COMPS_IN_SCAN)  in jpeg_simple_progression()
560       nscans = 6 * ncomps;	/* 2 DC + 4 AC scans per component */  in jpeg_simple_progression()
562       nscans = 2 + 4 * ncomps;	/* 2 DC scans; 4 AC scans per component */  in jpeg_simple_progression()
582   if (ncomps == 3 && cinfo->jpeg_color_space == JCS_YCbCr) {  in jpeg_simple_progression()
585     scanptr = fill_dc_scans(scanptr, ncomps, 0, 1);  in jpeg_simple_progression()
596     scanptr = fill_dc_scans(scanptr, ncomps, 1, 0);  in jpeg_simple_progression()
605     scanptr = fill_dc_scans(scanptr, ncomps, 0, 1);  in jpeg_simple_progression()
606     scanptr = fill_scans(scanptr, ncomps, 1, 5, 0, 2);  in jpeg_simple_progression()
607     scanptr = fill_scans(scanptr, ncomps, 6, 63, 0, 2);  in jpeg_simple_progression()
609     scanptr = fill_scans(scanptr, ncomps, 1, 63, 2, 1);  in jpeg_simple_progression()
611     scanptr = fill_dc_scans(scanptr, ncomps, 1, 0);  in jpeg_simple_progression()
612     scanptr = fill_scans(scanptr, ncomps, 1, 63, 1, 0);  in jpeg_simple_progression()