48   jpeg_component_info *compptr;  in initial_setup()  local
67   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
68        ci++, compptr++) {  in initial_setup()
69     if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR ||  in initial_setup()
70         compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)  in initial_setup()
73                                    compptr->h_samp_factor);  in initial_setup()
75                                    compptr->v_samp_factor);  in initial_setup()
95   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
96        ci++, compptr++) {  in initial_setup()
98     compptr->DCT_h_scaled_size = compptr->DCT_v_scaled_size = DCTSIZE;  in initial_setup()
100     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
103     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
104       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
106     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
107       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
113     cinfo->master->last_MCU_col[ci] = compptr->width_in_blocks - 1;  in initial_setup()
119     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
120       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
122     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
123       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
126     compptr->component_needed = TRUE;  in initial_setup()
128     compptr->quant_table = NULL;  in initial_setup()
150   jpeg_component_info *compptr;  in per_scan_setup()  local
155     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
158     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
159     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
162     compptr->MCU_width = 1;  in per_scan_setup()
163     compptr->MCU_height = 1;  in per_scan_setup()
164     compptr->MCU_blocks = 1;  in per_scan_setup()
165     compptr->MCU_sample_width = compptr->_DCT_scaled_size;  in per_scan_setup()
166     compptr->last_col_width = 1;  in per_scan_setup()
170     tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
171     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
172     compptr->last_row_height = tmp;  in per_scan_setup()
196       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
198       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
199       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
200       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
201       compptr->MCU_sample_width = compptr->MCU_width * compptr->_DCT_scaled_size;  in per_scan_setup()
203       tmp = (int) (compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
204       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
205       compptr->last_col_width = tmp;  in per_scan_setup()
206       tmp = (int) (compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
207       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
208       compptr->last_row_height = tmp;  in per_scan_setup()
210       mcublks = compptr->MCU_blocks;  in per_scan_setup()
247   jpeg_component_info *compptr;  in latch_quant_tables()  local
251     compptr = cinfo->cur_comp_info[ci];  in latch_quant_tables()
253     if (compptr->quant_table != NULL)  in latch_quant_tables()
256     qtblno = compptr->quant_tbl_no;  in latch_quant_tables()
265     compptr->quant_table = qtbl;  in latch_quant_tables()