74   jpeg_component_info *compptr;  in initial_setup()  local
113   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
114        ci++, compptr++) {  in initial_setup()
115     if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR ||  in initial_setup()
116         compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)  in initial_setup()
119                                    compptr->h_samp_factor);  in initial_setup()
121                                    compptr->v_samp_factor);  in initial_setup()
125   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
126        ci++, compptr++) {  in initial_setup()
128     compptr->component_index = ci;  in initial_setup()
131     compptr->DCT_h_scaled_size = compptr->DCT_v_scaled_size = DCTSIZE;  in initial_setup()
133     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
136     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
137       jdiv_round_up((long) cinfo->_jpeg_width * (long) compptr->h_samp_factor,  in initial_setup()
139     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
140       jdiv_round_up((long) cinfo->_jpeg_height * (long) compptr->v_samp_factor,  in initial_setup()
143     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
144       jdiv_round_up((long) cinfo->_jpeg_width * (long) compptr->h_samp_factor,  in initial_setup()
146     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
147       jdiv_round_up((long) cinfo->_jpeg_height * (long) compptr->v_samp_factor,  in initial_setup()
150     compptr->component_needed = TRUE;  in initial_setup()
348   jpeg_component_info *compptr;  in per_scan_setup()  local
353     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
356     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
357     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
360     compptr->MCU_width = 1;  in per_scan_setup()
361     compptr->MCU_height = 1;  in per_scan_setup()
362     compptr->MCU_blocks = 1;  in per_scan_setup()
363     compptr->MCU_sample_width = DCTSIZE;  in per_scan_setup()
364     compptr->last_col_width = 1;  in per_scan_setup()
368     tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
369     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
370     compptr->last_row_height = tmp;  in per_scan_setup()
394       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
396       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
397       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
398       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
399       compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE;  in per_scan_setup()
401       tmp = (int) (compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
402       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
403       compptr->last_col_width = tmp;  in per_scan_setup()
404       tmp = (int) (compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
405       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
406       compptr->last_row_height = tmp;  in per_scan_setup()
408       mcublks = compptr->MCU_blocks;  in per_scan_setup()