43   jpeg_component_info *compptr;  in initial_setup()  local
62   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
63        ci++, compptr++) {  in initial_setup()
64     if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR ||  in initial_setup()
65 	compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)  in initial_setup()
68 				   compptr->h_samp_factor);  in initial_setup()
70 				   compptr->v_samp_factor);  in initial_setup()
80   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
81        ci++, compptr++) {  in initial_setup()
82     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
84     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
85       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
87     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
88       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
95     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
96       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
98     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
99       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
102     compptr->component_needed = TRUE;  in initial_setup()
104     compptr->quant_table = NULL;  in initial_setup()
126   jpeg_component_info *compptr;  in per_scan_setup()  local
131     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
134     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
135     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
138     compptr->MCU_width = 1;  in per_scan_setup()
139     compptr->MCU_height = 1;  in per_scan_setup()
140     compptr->MCU_blocks = 1;  in per_scan_setup()
141     compptr->MCU_sample_width = compptr->DCT_scaled_size;  in per_scan_setup()
142     compptr->last_col_width = 1;  in per_scan_setup()
146     tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
147     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
148     compptr->last_row_height = tmp;  in per_scan_setup()
172       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
174       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
175       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
176       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
177       compptr->MCU_sample_width = compptr->MCU_width * compptr->DCT_scaled_size;  in per_scan_setup()
179       tmp = (int) (compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
180       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
181       compptr->last_col_width = tmp;  in per_scan_setup()
182       tmp = (int) (compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
183       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
184       compptr->last_row_height = tmp;  in per_scan_setup()
186       mcublks = compptr->MCU_blocks;  in per_scan_setup()
223   jpeg_component_info *compptr;  in latch_quant_tables()  local
227     compptr = cinfo->cur_comp_info[ci];  in latch_quant_tables()
229     if (compptr->quant_table != NULL)  in latch_quant_tables()
232     qtblno = compptr->quant_tbl_no;  in latch_quant_tables()
241     compptr->quant_table = qtbl;  in latch_quant_tables()