61                                  jpeg_component_info *compptr,
127   jpeg_component_info *compptr;  in sep_downsample()  local
130   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in sep_downsample()
131        ci++, compptr++) {  in sep_downsample()
133     out_ptr = output_buf[ci] + (out_row_group_index * compptr->v_samp_factor);  in sep_downsample()
134     (*downsample->methods[ci]) (cinfo, compptr, in_ptr, out_ptr);  in sep_downsample()
147 int_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in int_downsample()  argument
152   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in int_downsample()
156   h_expand = cinfo->max_h_samp_factor / compptr->h_samp_factor;  in int_downsample()
157   v_expand = cinfo->max_v_samp_factor / compptr->v_samp_factor;  in int_downsample()
169   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in int_downsample()
194 fullsize_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in fullsize_downsample()  argument
202                     compptr->width_in_blocks * DCTSIZE);  in fullsize_downsample()
219 h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in h2v1_downsample()  argument
224   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v1_downsample()
235   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v1_downsample()
256 h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in h2v2_downsample()  argument
261   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v2_downsample()
273   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v2_downsample()
299 h2v2_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in h2v2_smooth_downsample()  argument
304   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in h2v2_smooth_downsample()
332   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in h2v2_smooth_downsample()
399 fullsize_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,  in fullsize_smooth_downsample()  argument
404   JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE;  in fullsize_smooth_downsample()
425   for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {  in fullsize_smooth_downsample()
475   jpeg_component_info *compptr;  in jinit_downsampler()  local
490   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in jinit_downsampler()
491        ci++, compptr++) {  in jinit_downsampler()
492     if (compptr->h_samp_factor == cinfo->max_h_samp_factor &&  in jinit_downsampler()
493         compptr->v_samp_factor == cinfo->max_v_samp_factor) {  in jinit_downsampler()
501     } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor &&  in jinit_downsampler()
502                compptr->v_samp_factor == cinfo->max_v_samp_factor) {  in jinit_downsampler()
508     } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor &&  in jinit_downsampler()
509                compptr->v_samp_factor * 2 == cinfo->max_v_samp_factor) {  in jinit_downsampler()
527     } else if ((cinfo->max_h_samp_factor % compptr->h_samp_factor) == 0 &&  in jinit_downsampler()
528                (cinfo->max_v_samp_factor % compptr->v_samp_factor) == 0) {  in jinit_downsampler()