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 ||  in initial_setup()
70         compptr->h_samp_factor > MAX_SAMP_FACTOR ||  in initial_setup()
71         compptr->v_samp_factor <= 0 ||  in initial_setup()
72         compptr->v_samp_factor > MAX_SAMP_FACTOR)  in initial_setup()
75                                    compptr->h_samp_factor);  in initial_setup()
77                                    compptr->v_samp_factor);  in initial_setup()
97   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
98        ci++, compptr++) {  in initial_setup()
100     compptr->DCT_h_scaled_size = compptr->DCT_v_scaled_size = DCTSIZE;  in initial_setup()
102     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
105     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
106       jdiv_round_up((long)cinfo->image_width * (long)compptr->h_samp_factor,  in initial_setup()
108     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
109       jdiv_round_up((long)cinfo->image_height * (long)compptr->v_samp_factor,  in initial_setup()
115     cinfo->master->last_MCU_col[ci] = compptr->width_in_blocks - 1;  in initial_setup()
121     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
122       jdiv_round_up((long)cinfo->image_width * (long)compptr->h_samp_factor,  in initial_setup()
124     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
125       jdiv_round_up((long)cinfo->image_height * (long)compptr->v_samp_factor,  in initial_setup()
128     compptr->component_needed = TRUE;  in initial_setup()
130     compptr->quant_table = NULL;  in initial_setup()
152   jpeg_component_info *compptr;  in per_scan_setup()  local
157     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
160     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
161     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
164     compptr->MCU_width = 1;  in per_scan_setup()
165     compptr->MCU_height = 1;  in per_scan_setup()
166     compptr->MCU_blocks = 1;  in per_scan_setup()
167     compptr->MCU_sample_width = compptr->_DCT_scaled_size;  in per_scan_setup()
168     compptr->last_col_width = 1;  in per_scan_setup()
172     tmp = (int)(compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
173     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
174     compptr->last_row_height = tmp;  in per_scan_setup()
198       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
200       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
201       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
202       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
203       compptr->MCU_sample_width = compptr->MCU_width *  in per_scan_setup()
204                                   compptr->_DCT_scaled_size;  in per_scan_setup()
206       tmp = (int)(compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
207       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
208       compptr->last_col_width = tmp;  in per_scan_setup()
209       tmp = (int)(compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
210       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
211       compptr->last_row_height = tmp;  in per_scan_setup()
213       mcublks = compptr->MCU_blocks;  in per_scan_setup()
250   jpeg_component_info *compptr;  in latch_quant_tables()  local
254     compptr = cinfo->cur_comp_info[ci];  in latch_quant_tables()
256     if (compptr->quant_table != NULL)  in latch_quant_tables()
259     qtblno = compptr->quant_tbl_no;  in latch_quant_tables()
268     compptr->quant_table = qtbl;  in latch_quant_tables()