157     uint16		h_sampling;	/* luminance sampling factors */  member
976         sp->h_sampling = td->td_ycbcrsubsampling[0];  in JPEGSetupDecode()
981         sp->h_sampling = 1;  in JPEGSetupDecode()
1048         segment_width = TIFFhowmany_32(segment_width, sp->h_sampling);  in JPEGPreDecode()
1096         if (sp->cinfo.d.comp_info[0].h_samp_factor != sp->h_sampling ||  in JPEGPreDecode()
1103                        sp->h_sampling, sp->v_sampling);  in JPEGPreDecode()
1134             (sp->h_sampling != 1 || sp->v_sampling != 1))  in JPEGPreDecode()
1523         sp->h_sampling = td->td_ycbcrsubsampling[0];  in JPEGSetupEncode()
1555         sp->h_sampling = 1;  in JPEGSetupEncode()
1589         if ((td->td_tilewidth % (sp->h_sampling * DCTSIZE)) != 0) {  in JPEGSetupEncode()
1592                   sp->h_sampling * DCTSIZE);  in JPEGSetupEncode()
1667         segment_width = TIFFhowmany_32(segment_width, sp->h_sampling);  in JPEGPreEncode()
1684                 if (sp->h_sampling != 1 || sp->v_sampling != 1)  in JPEGPreEncode()
1693             sp->cinfo.c.comp_info[0].h_samp_factor = sp->h_sampling;  in JPEGPreEncode()
1855     bytesperclumpline = (((sp->cinfo.c.image_width+sp->h_sampling-1)/sp->h_sampling)  in JPEGEncodeRaw()
1856                  *(sp->h_sampling*sp->v_sampling+2)*sp->cinfo.c.data_precision+7)  in JPEGEncodeRaw()