236   jpeg_component_info *compptr;  in emit_dac()  local
242     compptr = cinfo->cur_comp_info[i];  in emit_dac()
245       dc_in_use[compptr->dc_tbl_no] = 1;  in emit_dac()
248       ac_in_use[compptr->ac_tbl_no] = 1;  in emit_dac()
292   jpeg_component_info *compptr;  in emit_sof()  local
308   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in emit_sof()
309        ci++, compptr++) {  in emit_sof()
310     emit_byte(cinfo, compptr->component_id);  in emit_sof()
311     emit_byte(cinfo, (compptr->h_samp_factor << 4) + compptr->v_samp_factor);  in emit_sof()
312     emit_byte(cinfo, compptr->quant_tbl_no);  in emit_sof()
322   jpeg_component_info *compptr;  in emit_sos()  local
331     compptr = cinfo->cur_comp_info[i];  in emit_sos()
332     emit_byte(cinfo, compptr->component_id);  in emit_sos()
339     td = cinfo->Ss == 0 && cinfo->Ah == 0 ? compptr->dc_tbl_no : 0;  in emit_sos()
341     ta = cinfo->Se ? compptr->ac_tbl_no : 0;  in emit_sos()
502   jpeg_component_info *compptr;  in write_frame_header()  local
508   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in write_frame_header()
509        ci++, compptr++) {  in write_frame_header()
510     prec += emit_dqt(cinfo, compptr->quant_tbl_no);  in write_frame_header()
522     for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in write_frame_header()
523          ci++, compptr++) {  in write_frame_header()
524       if (compptr->dc_tbl_no > 1 || compptr->ac_tbl_no > 1)  in write_frame_header()
562   jpeg_component_info *compptr;  in write_scan_header()  local
575       compptr = cinfo->cur_comp_info[i];  in write_scan_header()
578         emit_dht(cinfo, compptr->dc_tbl_no, FALSE);  in write_scan_header()
581         emit_dht(cinfo, compptr->ac_tbl_no, TRUE);  in write_scan_header()