55 		(j_compress_ptr cinfo, jpeg_component_info * compptr,
120   jpeg_component_info * compptr;  in sep_downsample()  local
123   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in sep_downsample()
124        ci++, compptr++) {  in sep_downsample()
126     out_ptr = output_buf[ci] + (out_row_group_index * compptr->v_samp_factor);  in sep_downsample()
127     (*downsample->methods[ci]) (cinfo, compptr, in_ptr, out_ptr);  in sep_downsample()
140 int_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,  in int_downsample()  argument
145   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in int_downsample()
149   h_expand = cinfo->max_h_samp_factor / compptr->h_samp_factor;  in int_downsample()
150   v_expand = cinfo->max_v_samp_factor / compptr->v_samp_factor;  in int_downsample()
162   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in int_downsample()
187 fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,  in fullsize_downsample()  argument
195 		    cinfo->image_width, compptr->width_in_blocks * DCTSIZE);  in fullsize_downsample()
212 h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,  in h2v1_downsample()  argument
217   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v1_downsample()
228   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v1_downsample()
249 h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,  in h2v2_downsample()  argument
254   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v2_downsample()
266   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v2_downsample()
292 h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,  in h2v2_smooth_downsample()  argument
297   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v2_smooth_downsample()
325   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v2_smooth_downsample()
392 fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,  in fullsize_smooth_downsample()  argument
397   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in fullsize_smooth_downsample()
418   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in fullsize_smooth_downsample()
468   jpeg_component_info * compptr;  in jinit_downsampler()  local
483   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in jinit_downsampler()
484        ci++, compptr++) {  in jinit_downsampler()
485     if (compptr->h_samp_factor == cinfo->max_h_samp_factor &&  in jinit_downsampler()
486 	compptr->v_samp_factor == cinfo->max_v_samp_factor) {  in jinit_downsampler()
494     } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor &&  in jinit_downsampler()
495 	       compptr->v_samp_factor == cinfo->max_v_samp_factor) {  in jinit_downsampler()
498     } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor &&  in jinit_downsampler()
499 	       compptr->v_samp_factor * 2 == cinfo->max_v_samp_factor) {  in jinit_downsampler()
507     } else if ((cinfo->max_h_samp_factor % compptr->h_samp_factor) == 0 &&  in jinit_downsampler()
508 	       (cinfo->max_v_samp_factor % compptr->v_samp_factor) == 0) {  in jinit_downsampler()