207    } img_comp[4];  member
512    dc                     = j->img_comp[b].dc_pred + diff;  in rjpeg_jpeg_decode_block()
513    j->img_comp[b].dc_pred = dc;  in rjpeg_jpeg_decode_block()
590       dc      = j->img_comp[b].dc_pred + diff;  in rjpeg_jpeg_decode_block_prog_dc()
591       j->img_comp[b].dc_pred = dc;  in rjpeg_jpeg_decode_block_prog_dc()
1321    j->img_comp[0].dc_pred = 0;  in rjpeg_jpeg_reset()
1322    j->img_comp[1].dc_pred = 0;  in rjpeg_jpeg_reset()
1323    j->img_comp[2].dc_pred = 0;  in rjpeg_jpeg_reset()
1340       int w = (z->img_comp[n].x+7) >> 3;  in rjpeg_parse_entropy_coded_data()
1341       int h = (z->img_comp[n].y+7) >> 3;  in rjpeg_parse_entropy_coded_data()
1354                short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w);  in rjpeg_parse_entropy_coded_data()
1358                   if (!rjpeg_jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n))  in rjpeg_parse_entropy_coded_data()
1363                   int ha = z->img_comp[n].ha;  in rjpeg_parse_entropy_coded_data()
1389                int ha = z->img_comp[n].ha;  in rjpeg_parse_entropy_coded_data()
1390                if (!rjpeg_jpeg_decode_block(z, data, z->huff_dc+z->img_comp[n].hd,  in rjpeg_parse_entropy_coded_data()
1391                         z->huff_ac+ha, z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq]))  in rjpeg_parse_entropy_coded_data()
1394                z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8,  in rjpeg_parse_entropy_coded_data()
1395                      z->img_comp[n].w2, data);  in rjpeg_parse_entropy_coded_data()
1430                   for (y = 0; y < z->img_comp[n].v; ++y)  in rjpeg_parse_entropy_coded_data()
1432                      for (x = 0; x < z->img_comp[n].h; ++x)  in rjpeg_parse_entropy_coded_data()
1434                         int      x2 = (i*z->img_comp[n].h + x);  in rjpeg_parse_entropy_coded_data()
1435                         int      y2 = (j*z->img_comp[n].v + y);  in rjpeg_parse_entropy_coded_data()
1436 …                      short *data = z->img_comp[n].coeff + 64 * (x2 + y2 * z->img_comp[n].coeff_w);  in rjpeg_parse_entropy_coded_data()
1437 …                  if (!rjpeg_jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n))  in rjpeg_parse_entropy_coded_data()
1470                   for (y = 0; y < z->img_comp[n].v; ++y)  in rjpeg_parse_entropy_coded_data()
1472                      for (x = 0; x < z->img_comp[n].h; ++x)  in rjpeg_parse_entropy_coded_data()
1474                         int x2 = (i*z->img_comp[n].h + x)*8;  in rjpeg_parse_entropy_coded_data()
1475                         int y2 = (j*z->img_comp[n].v + y)*8;  in rjpeg_parse_entropy_coded_data()
1476                         int ha = z->img_comp[n].ha;  in rjpeg_parse_entropy_coded_data()
1479                                  z->huff_dc+z->img_comp[n].hd,  in rjpeg_parse_entropy_coded_data()
1481                                  n, z->dequant[z->img_comp[n].tq]))  in rjpeg_parse_entropy_coded_data()
1484                         z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*y2+x2,  in rjpeg_parse_entropy_coded_data()
1485                               z->img_comp[n].w2, data);  in rjpeg_parse_entropy_coded_data()
1525       int w = (z->img_comp[n].x+7) >> 3;  in rjpeg_jpeg_finish()
1526       int h = (z->img_comp[n].y+7) >> 3;  in rjpeg_jpeg_finish()
1531             short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w);  in rjpeg_jpeg_finish()
1532             rjpeg_jpeg_dequantize(data, z->dequant[z->img_comp[n].tq]);  in rjpeg_jpeg_finish()
1533             z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8,  in rjpeg_jpeg_finish()
1534                   z->img_comp[n].w2, data);  in rjpeg_jpeg_finish()
1661          if (z->img_comp[which].id == id)  in rjpeg_process_scan_header()
1667       z->img_comp[which].hd = q >> 4;   if (z->img_comp[which].hd > 3)  in rjpeg_process_scan_header()
1671       z->img_comp[which].ha = q & 15;   if (z->img_comp[which].ha > 3)  in rjpeg_process_scan_header()
1753       z->img_comp[i].data = NULL;  in rjpeg_process_frame_header()
1754       z->img_comp[i].linebuf = NULL;  in rjpeg_process_frame_header()
1763       z->img_comp[i].id = rjpeg_get8(s);  in rjpeg_process_frame_header()
1764       if (z->img_comp[i].id != i+1)   /* JFIF requires */  in rjpeg_process_frame_header()
1765 …      if (z->img_comp[i].id != i)  /* some version of jpegtran outputs non-JFIF-compliant files! */  in rjpeg_process_frame_header()
1769       z->img_comp[i].h = (q >> 4);  in rjpeg_process_frame_header()
1772       if (!z->img_comp[i].h || z->img_comp[i].h > 4)  in rjpeg_process_frame_header()
1775       z->img_comp[i].v = q & 15;  in rjpeg_process_frame_header()
1778       if (!z->img_comp[i].v || z->img_comp[i].v > 4)  in rjpeg_process_frame_header()
1781       z->img_comp[i].tq = rjpeg_get8(s);  in rjpeg_process_frame_header()
1784       if (z->img_comp[i].tq > 3)  in rjpeg_process_frame_header()
1797       if (z->img_comp[i].h > h_max)  in rjpeg_process_frame_header()
1798          h_max = z->img_comp[i].h;  in rjpeg_process_frame_header()
1799       if (z->img_comp[i].v > v_max)  in rjpeg_process_frame_header()
1800          v_max = z->img_comp[i].v;  in rjpeg_process_frame_header()
1816          z->img_comp[i].x        = (s->img_x * z->img_comp[i].h + h_max-1) / h_max;  in rjpeg_process_frame_header()
1817          z->img_comp[i].y        = (s->img_y * z->img_comp[i].v + v_max-1) / v_max;  in rjpeg_process_frame_header()
1823          z->img_comp[i].w2       = z->img_mcu_x * z->img_comp[i].h * 8;  in rjpeg_process_frame_header()
1824          z->img_comp[i].h2       = z->img_mcu_y * z->img_comp[i].v * 8;  in rjpeg_process_frame_header()
1825          z->img_comp[i].raw_data = malloc(z->img_comp[i].w2 * z->img_comp[i].h2+15);  in rjpeg_process_frame_header()
1828          if (!z->img_comp[i].raw_data)  in rjpeg_process_frame_header()
1832                free(z->img_comp[i].raw_data);  in rjpeg_process_frame_header()
1833                z->img_comp[i].data = NULL;  in rjpeg_process_frame_header()
1840          z->img_comp[i].data      = (uint8_t*) (((size_t) z->img_comp[i].raw_data + 15) & ~15);  in rjpeg_process_frame_header()
1841          z->img_comp[i].linebuf   = NULL;  in rjpeg_process_frame_header()
1842          z->img_comp[i].coeff_w   = (z->img_comp[i].w2 + 7) >> 3;  in rjpeg_process_frame_header()
1843          z->img_comp[i].coeff_h   = (z->img_comp[i].h2 + 7) >> 3;  in rjpeg_process_frame_header()
1844          z->img_comp[i].raw_coeff = malloc(z->img_comp[i].coeff_w *  in rjpeg_process_frame_header()
1845                                     z->img_comp[i].coeff_h * 64 * sizeof(short) + 15);  in rjpeg_process_frame_header()
1846          z->img_comp[i].coeff     = (short*) (((size_t) z->img_comp[i].raw_coeff + 15) & ~15);  in rjpeg_process_frame_header()
1854          z->img_comp[i].x        = (s->img_x * z->img_comp[i].h + h_max-1) / h_max;  in rjpeg_process_frame_header()
1855          z->img_comp[i].y        = (s->img_y * z->img_comp[i].v + v_max-1) / v_max;  in rjpeg_process_frame_header()
1861          z->img_comp[i].w2       = z->img_mcu_x * z->img_comp[i].h * 8;  in rjpeg_process_frame_header()
1862          z->img_comp[i].h2       = z->img_mcu_y * z->img_comp[i].v * 8;  in rjpeg_process_frame_header()
1863          z->img_comp[i].raw_data = malloc(z->img_comp[i].w2 * z->img_comp[i].h2+15);  in rjpeg_process_frame_header()
1866          if (!z->img_comp[i].raw_data)  in rjpeg_process_frame_header()
1870                free(z->img_comp[i].raw_data);  in rjpeg_process_frame_header()
1871                z->img_comp[i].data = NULL;  in rjpeg_process_frame_header()
1876          z->img_comp[i].data      = (uint8_t*) (((size_t) z->img_comp[i].raw_data + 15) & ~15);  in rjpeg_process_frame_header()
1877          z->img_comp[i].linebuf   = NULL;  in rjpeg_process_frame_header()
1878          z->img_comp[i].coeff     = 0;  in rjpeg_process_frame_header()
1879          z->img_comp[i].raw_coeff = 0;  in rjpeg_process_frame_header()
1928       j->img_comp[m].raw_data = NULL;  in rjpeg_decode_jpeg_image()
1929       j->img_comp[m].raw_coeff = NULL;  in rjpeg_decode_jpeg_image()
2411       if (j->img_comp[i].raw_data)  in rjpeg_cleanup_jpeg()
2413          free(j->img_comp[i].raw_data);  in rjpeg_cleanup_jpeg()
2414          j->img_comp[i].raw_data = NULL;  in rjpeg_cleanup_jpeg()
2415          j->img_comp[i].data = NULL;  in rjpeg_cleanup_jpeg()
2418       if (j->img_comp[i].raw_coeff)  in rjpeg_cleanup_jpeg()
2420          free(j->img_comp[i].raw_coeff);  in rjpeg_cleanup_jpeg()
2421          j->img_comp[i].raw_coeff = 0;  in rjpeg_cleanup_jpeg()
2422          j->img_comp[i].coeff = 0;  in rjpeg_cleanup_jpeg()
2425       if (j->img_comp[i].linebuf)  in rjpeg_cleanup_jpeg()
2427          free(j->img_comp[i].linebuf);  in rjpeg_cleanup_jpeg()
2428          j->img_comp[i].linebuf = NULL;  in rjpeg_cleanup_jpeg()
2463       z->img_comp[k].linebuf = (uint8_t *) malloc(z->s->img_x + 3);  in rjpeg_load_jpeg_image()
2464       if (!z->img_comp[k].linebuf)  in rjpeg_load_jpeg_image()
2467       r->hs       = z->img_h_max / z->img_comp[k].h;  in rjpeg_load_jpeg_image()
2468       r->vs       = z->img_v_max / z->img_comp[k].v;  in rjpeg_load_jpeg_image()
2472       r->line0    = r->line1 = z->img_comp[k].data;  in rjpeg_load_jpeg_image()
2500          coutput[k]         = r->resample(z->img_comp[k].linebuf,  in rjpeg_load_jpeg_image()
2509             if (++r->ypos < z->img_comp[k].y)  in rjpeg_load_jpeg_image()
2510                r->line1 += z->img_comp[k].w2;  in rjpeg_load_jpeg_image()