151   jpeg_component_info *compptr;  in compress_data()  local
169 	compptr = cinfo->cur_comp_info[ci];  in compress_data()
170 	blockcnt = (MCU_col_num < last_MCU_col) ? compptr->MCU_width  in compress_data()
171 						: compptr->last_col_width;  in compress_data()
172 	xpos = MCU_col_num * compptr->MCU_sample_width;  in compress_data()
174 	for (yindex = 0; yindex < compptr->MCU_height; yindex++) {  in compress_data()
176 	      yoffset+yindex < compptr->last_row_height) {  in compress_data()
177 	    (*cinfo->fdct->forward_DCT) (cinfo, compptr,  in compress_data()
178 					 input_buf[compptr->component_index],  in compress_data()
181 	    if (blockcnt < compptr->MCU_width) {  in compress_data()
184 			(compptr->MCU_width - blockcnt) * SIZEOF(JBLOCK));  in compress_data()
185 	      for (bi = blockcnt; bi < compptr->MCU_width; bi++) {  in compress_data()
192 		      compptr->MCU_width * SIZEOF(JBLOCK));  in compress_data()
193 	    for (bi = 0; bi < compptr->MCU_width; bi++) {  in compress_data()
197 	  blkn += compptr->MCU_width;  in compress_data()
252   jpeg_component_info *compptr;  in compress_first_pass()  local
256   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in compress_first_pass()
257        ci++, compptr++) {  in compress_first_pass()
261        coef->iMCU_row_num * compptr->v_samp_factor,  in compress_first_pass()
262        (JDIMENSION) compptr->v_samp_factor, TRUE);  in compress_first_pass()
265       block_rows = compptr->v_samp_factor;  in compress_first_pass()
268       block_rows = (int) (compptr->height_in_blocks % compptr->v_samp_factor);  in compress_first_pass()
269       if (block_rows == 0) block_rows = compptr->v_samp_factor;  in compress_first_pass()
271     blocks_across = compptr->width_in_blocks;  in compress_first_pass()
272     h_samp_factor = compptr->h_samp_factor;  in compress_first_pass()
282       (*cinfo->fdct->forward_DCT) (cinfo, compptr,  in compress_first_pass()
304       for (block_row = block_rows; block_row < compptr->v_samp_factor;  in compress_first_pass()
349   jpeg_component_info *compptr;  in compress_output()  local
356     compptr = cinfo->cur_comp_info[ci];  in compress_output()
358       ((j_common_ptr) cinfo, coef->whole_image[compptr->component_index],  in compress_output()
359        coef->iMCU_row_num * compptr->v_samp_factor,  in compress_output()
360        (JDIMENSION) compptr->v_samp_factor, FALSE);  in compress_output()
371 	compptr = cinfo->cur_comp_info[ci];  in compress_output()
372 	start_col = MCU_col_num * compptr->MCU_width;  in compress_output()
373 	for (yindex = 0; yindex < compptr->MCU_height; yindex++) {  in compress_output()
375 	  for (xindex = 0; xindex < compptr->MCU_width; xindex++) {  in compress_output()
421     jpeg_component_info *compptr;  in jinit_c_coef_controller()  local
423     for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in jinit_c_coef_controller()
424 	 ci++, compptr++) {  in jinit_c_coef_controller()
427 	 (JDIMENSION) jround_up((long) compptr->width_in_blocks,  in jinit_c_coef_controller()
428 				(long) compptr->h_samp_factor),  in jinit_c_coef_controller()
429 	 (JDIMENSION) jround_up((long) compptr->height_in_blocks,  in jinit_c_coef_controller()
430 				(long) compptr->v_samp_factor),  in jinit_c_coef_controller()
431 	 (JDIMENSION) compptr->v_samp_factor);  in jinit_c_coef_controller()