86   jpeg_component_info *compptr;  in initial_setup()  local
125   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
126        ci++, compptr++) {  in initial_setup()
127     if (compptr->h_samp_factor <= 0 ||  in initial_setup()
128         compptr->h_samp_factor > MAX_SAMP_FACTOR ||  in initial_setup()
129         compptr->v_samp_factor <= 0 ||  in initial_setup()
130         compptr->v_samp_factor > MAX_SAMP_FACTOR)  in initial_setup()
133                                    compptr->h_samp_factor);  in initial_setup()
135                                    compptr->v_samp_factor);  in initial_setup()
139   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
140        ci++, compptr++) {  in initial_setup()
142     compptr->component_index = ci;  in initial_setup()
145     compptr->DCT_h_scaled_size = compptr->DCT_v_scaled_size = DCTSIZE;  in initial_setup()
147     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
150     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
151       jdiv_round_up((long)cinfo->_jpeg_width * (long)compptr->h_samp_factor,  in initial_setup()
153     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
154       jdiv_round_up((long)cinfo->_jpeg_height * (long)compptr->v_samp_factor,  in initial_setup()
157     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
158       jdiv_round_up((long)cinfo->_jpeg_width * (long)compptr->h_samp_factor,  in initial_setup()
160     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
161       jdiv_round_up((long)cinfo->_jpeg_height * (long)compptr->v_samp_factor,  in initial_setup()
164     compptr->component_needed = TRUE;  in initial_setup()
361   jpeg_component_info *compptr;  in per_scan_setup()  local
366     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
369     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
370     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
373     compptr->MCU_width = 1;  in per_scan_setup()
374     compptr->MCU_height = 1;  in per_scan_setup()
375     compptr->MCU_blocks = 1;  in per_scan_setup()
376     compptr->MCU_sample_width = DCTSIZE;  in per_scan_setup()
377     compptr->last_col_width = 1;  in per_scan_setup()
381     tmp = (int)(compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
382     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
383     compptr->last_row_height = tmp;  in per_scan_setup()
407       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
409       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
410       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
411       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
412       compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE;  in per_scan_setup()
414       tmp = (int)(compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
415       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
416       compptr->last_col_width = tmp;  in per_scan_setup()
417       tmp = (int)(compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
418       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
419       compptr->last_row_height = tmp;  in per_scan_setup()
421       mcublks = compptr->MCU_blocks;  in per_scan_setup()