464     int numfields, hsf[3], field;  in decode_jpeg_raw()  local
559         numfields = 1;  in decode_jpeg_raw()
563         numfields = 2;  in decode_jpeg_raw()
614     for (field = 0; field < numfields; field++)  in decode_jpeg_raw()
625         if (numfields == 2)  in decode_jpeg_raw()
650             for (y = 0; y < 8 * vsf[0] && yl < height; yl += numfields, y++)  in decode_jpeg_raw()
725                         for (y = 0; y < 8 && yc < height; y++, yc += numfields)  in decode_jpeg_raw()
749                             yc += numfields;  in decode_jpeg_raw()
758                             yc += numfields;  in decode_jpeg_raw()
771                         for (y = 0; y < 8 && yc < height/2; y += 2, yc += numfields)  in decode_jpeg_raw()
786                         for (y = 0; y < 8 && yc < height/2; y++, yc += numfields)  in decode_jpeg_raw()
802         if (field == 0 && numfields > 1)  in decode_jpeg_raw()
840     int numfields, field, yl, yc, xsl, xsc, xs, xd, hdown;  in decode_jpeg_gray_raw()  local
894         numfields = 1;  in decode_jpeg_gray_raw()
898         numfields = 2;  in decode_jpeg_gray_raw()
949     for (field = 0; field < numfields; field++)  in decode_jpeg_gray_raw()
960         if (numfields == 2)  in decode_jpeg_gray_raw()
984             for (y = 0; y < 8 * vsf[0]; yl += numfields, y++)  in decode_jpeg_gray_raw()
1049                         for (y = 0; y < 8 /*&& yc < height */; y++, yc += numfields)  in decode_jpeg_gray_raw()
1073                             yc += numfields;  in decode_jpeg_gray_raw()
1082                             yc += numfields;  in decode_jpeg_gray_raw()
1095                         for (y = 0; y < 8; y += 2, yc += numfields)  in decode_jpeg_gray_raw()
1110                         for (y = 0; y < 8; y++, yc += numfields)  in decode_jpeg_gray_raw()
1127         if (field == 0 && numfields > 1)  in decode_jpeg_gray_raw()
1159     int numfields, field, yl, yc, y, i;  in encode_jpeg_raw()  local
1229             numfields = 2;  in encode_jpeg_raw()
1232             numfields = 1;  in encode_jpeg_raw()
1243     cinfo.image_height = height / numfields;  in encode_jpeg_raw()
1247     for (field = 0; field < numfields; field++)  in encode_jpeg_raw()
1251         if (numfields == 2)  in encode_jpeg_raw()
1278             for (y = 0; y < 8 * cinfo.comp_info[0].v_samp_factor; yl += numfields, y++)  in encode_jpeg_raw()
1289                     yc += numfields;  in encode_jpeg_raw()