50   jpeg_component_info *compptr;  in initial_setup()  local
82   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
83        ci++, compptr++) {  in initial_setup()
84     if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR ||  in initial_setup()
85 	compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)  in initial_setup()
88 				   compptr->h_samp_factor);  in initial_setup()
90 				   compptr->v_samp_factor);  in initial_setup()
94   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in initial_setup()
95        ci++, compptr++) {  in initial_setup()
97     compptr->component_index = ci;  in initial_setup()
99     compptr->DCT_scaled_size = DCTSIZE;  in initial_setup()
101     compptr->width_in_blocks = (JDIMENSION)  in initial_setup()
102       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
104     compptr->height_in_blocks = (JDIMENSION)  in initial_setup()
105       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
108     compptr->downsampled_width = (JDIMENSION)  in initial_setup()
109       jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,  in initial_setup()
111     compptr->downsampled_height = (JDIMENSION)  in initial_setup()
112       jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,  in initial_setup()
115     compptr->component_needed = TRUE;  in initial_setup()
313   jpeg_component_info *compptr;  in per_scan_setup()  local
318     compptr = cinfo->cur_comp_info[0];  in per_scan_setup()
321     cinfo->MCUs_per_row = compptr->width_in_blocks;  in per_scan_setup()
322     cinfo->MCU_rows_in_scan = compptr->height_in_blocks;  in per_scan_setup()
325     compptr->MCU_width = 1;  in per_scan_setup()
326     compptr->MCU_height = 1;  in per_scan_setup()
327     compptr->MCU_blocks = 1;  in per_scan_setup()
328     compptr->MCU_sample_width = DCTSIZE;  in per_scan_setup()
329     compptr->last_col_width = 1;  in per_scan_setup()
333     tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor);  in per_scan_setup()
334     if (tmp == 0) tmp = compptr->v_samp_factor;  in per_scan_setup()
335     compptr->last_row_height = tmp;  in per_scan_setup()
359       compptr = cinfo->cur_comp_info[ci];  in per_scan_setup()
361       compptr->MCU_width = compptr->h_samp_factor;  in per_scan_setup()
362       compptr->MCU_height = compptr->v_samp_factor;  in per_scan_setup()
363       compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;  in per_scan_setup()
364       compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE;  in per_scan_setup()
366       tmp = (int) (compptr->width_in_blocks % compptr->MCU_width);  in per_scan_setup()
367       if (tmp == 0) tmp = compptr->MCU_width;  in per_scan_setup()
368       compptr->last_col_width = tmp;  in per_scan_setup()
369       tmp = (int) (compptr->height_in_blocks % compptr->MCU_height);  in per_scan_setup()
370       if (tmp == 0) tmp = compptr->MCU_height;  in per_scan_setup()
371       compptr->last_row_height = tmp;  in per_scan_setup()
373       mcublks = compptr->MCU_blocks;  in per_scan_setup()