File: icedax.c

package info (click to toggle)
cdrkit 9:1.1.11-3
  • links: PTS
  • area: main
  • in suites: bullseye, buster, jessie, jessie-kfreebsd, sid, stretch
  • size: 7,464 kB
  • sloc: ansic: 107,182; perl: 968; sh: 481; makefile: 229; sed: 4
file content (3059 lines) | stat: -rw-r--r-- 84,517 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
/*
 * This file has been modified for the cdrkit suite.
 *
 * The behaviour and appearence of the program code below can differ to a major
 * extent from the version distributed by the original author(s).
 *
 * For details, see Changelog file distributed with the cdrkit package. If you
 * received this file from another source then ask the distributing person for
 * a log of modifications.
 *
 */

/* @(#)cdda2wav.c	1.64 06/02/19 Copyright 1998-2004 Heiko Eissfeldt, Copyright 2004-2006 J. Schilling */
#undef DEBUG_BUFFER_ADDRESSES
#undef GPROF
#undef DEBUG_FORKED
#undef DEBUG_CLEANUP
#undef DEBUG_DYN_OVERLAP
#undef DEBUG_READS
#define DEBUG_ILLLEADOUT	0	/* 0 disables, 1 enables */
/*
 * Copyright: GNU Public License 2 applies
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2, or (at your option)
 *   any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */
/*
 * parts    (C) Peter Widow
 * parts    (C) Thomas Niederreiter
 * parts    (C) RSA Data Security, Inc.
 *
 * last changes:
 *   18.12.93 - first version,	OK
 *   01.01.94 - generalized & clean up HE
 *   10.06.94 - first linux version HE
 *   12.06.94 - wav header alignment problem fixed HE
 *   12.08.94 - open the cdrom device O_RDONLY makes more sense :-)
 *		no more floating point math
 *		change to sector size 2352 which is more common
 *		sub-q-channel information per kernel ioctl requested
 *		doesn't work as well as before
 *		some new options (-max -i)
 *   01.02.95 - async i/o via semaphores and shared memory
 *   03.02.95 - overlapped reading on sectors
 *   03.02.95 - generalized sample rates. all integral divisors are legal
 *   04.02.95 - sun format added
 *              more divisors: all integral halves >= 1 allowed
 *		floating point math needed again
 *   06.02.95 - bugfix for last track and not d0
 *              tested with photo-cd with audio tracks
 *		tested with xa disk 
 *   29.01.96 - new options for bulk transfer
 *   01.06.96 - tested with enhanced cd
 *   01.06.96 - tested with cd-plus
 *   02.06.96 - support pipes
 *   02.06.96 - support raw format
 *   04.02.96 - security hole fixed
 *   22.04.97 - large parts rewritten
 *   28.04.97 - make file names DOS compatible
 *   01.09.97 - add speed control
 *   20.10.97 - add find mono option
 *   Jan/Feb 98 - conversion to use Joerg Schillings SCSI library
 *   see ChangeLog
 */

#include "config.h"

#include <unixstd.h>
#include <stdio.h>
#include <standard.h>
#include <stdxlib.h>
#include <strdefs.h>
#include <schily.h>
#include <signal.h>
#include <math.h>
#include <fctldefs.h>
#include <timedefs.h>
#if defined (HAVE_LIMITS_H)
#include <limits.h>
#endif
#if defined (HAVE_SYS_IOCTL_H)
#include <sys/ioctl.h>
#endif
#include <errno.h>
#include <statdefs.h>
#include <waitdefs.h>
#if defined (HAVE_SETPRIORITY)
#include <sys/resource.h>
#endif
#include <vadefs.h>

#include <usal/scsitransp.h>

#ifdef	HAVE_AREAS
#include <be/kernel/OS.h>
#endif

#include "mytype.h"
#include "sndconfig.h"

#include "semshm.h"	/* semaphore functions */
#include "sndfile.h"
#include "wav.h"	/* wav file header structures */
#include "sun.h"	/* sun audio file header structures */
#include "raw.h"	/* raw file handling */
#include "aiff.h"	/* aiff file handling */
#include "aifc.h"	/* aifc file handling */
#ifdef	USE_LAME
#include "mp3.h"	/* mp3 file handling */
#endif
#include "interface.h"  /* low level cdrom interfacing */
#include "icedax.h"
#include "resample.h"
#include "toc.h"
#include "setuid.h"
#include "ringbuff.h"
#include "global.h"
#include "exitcodes.h"
#ifdef	USE_PARANOIA
#include "cdda_paranoia.h"
#endif
#include "defaults.h"

static void RestrictPlaybackRate(long newrate);
static void output_indices(FILE *fp, index_list *p, unsigned trackstart);
static int 	write_info_file(char *fname_baseval, unsigned int track, 
									 unsigned long SamplesDone, int numbered);
static void CloseAudio(int channels_val, unsigned long nSamples, 
							  struct soundfile *audio_out);
static void CloseAll(void);
static void OpenAudio(char *fname, double rate, long nBitsPerSample, 
							 long channels_val, unsigned long expected_bytes, 
							 struct soundfile*audio_out);
static void set_offset(myringbuff *p, int offset);
static int 	get_offset(myringbuff *p);
static void usage(void);
static void init_globals(void);
static int	is_fifo(char *filename);


/* Rules:
 * unique parameterless options first,
 * unique parametrized option names next,
 * ambigious parameterless option names next,
 * ambigious string parametrized option names last
 */
static const char *opts = "paranoia,paraopts&,version,help,h,\
no-write,N,dump-rates,R,bulk,B,alltracks,verbose-scsi+,V+,\
find-extremes,F,find-mono,G,no-infofile,H,\
deemphasize,T,info-only,J,silent-scsi,Q,\
cddbp-server*,cddbp-port*,\
scanbus,devices,device*,dev*,D*,auxdevice*,A*,interface*,I*,output-format*,O*,\
output-endianess*,E*,cdrom-endianess*,C*,speed#,S#,\
playback-realtime#L,p#L,md5#,M#,set-overlap#,P#,sound-device*,K*,\
cddb#,L#,channels*,c*,bits-per-sample#,b#,rate#,r#,gui,g,\
divider*,a*,track*,t*,index#,i#,duration*,d*,offset#,o#,\
sectors-per-request#,n#,verbose-level&,v&,buffers-in-ring#,l#,\
stereo,s,mono,m,wait,w,echo,e,quiet,q,max,x\
";


#ifdef	NEED_O_BINARY
#include <io.h>		/* for setmode() prototype */
#endif

/* global variables */
global_t global;

/* static variables */
static unsigned long nSamplesDone = 0;

static	int child_pid = -2;

static unsigned long *nSamplesToDo;
static unsigned int current_track;
static int bulk = 0;

unsigned int get_current_track(void);

unsigned int get_current_track()
{
	return current_track;
}

static void RestrictPlaybackRate(long  newrate)
{
       global.playback_rate = newrate;

       if ( global.playback_rate < 25 ) global.playback_rate = 25;   /* filter out insane values */
       if ( global.playback_rate > 250 ) global.playback_rate = 250;

       if ( global.playback_rate < 100 )
               global.nsectors = (global.nsectors*global.playback_rate)/100;
}


long SamplesNeeded(long amount, long undersampling_val)
{
  long retval = ((undersampling_val * 2 + Halved)*amount)/2;
  if (Halved && (*nSamplesToDo & 1))
    retval += 2;
  return retval;
}

static int argc2;
static int argc3;
static char **argv2;

static void reset_name_iterator(void);
static void reset_name_iterator()
{
	argv2 -= argc3 - argc2;
	argc2 = argc3;
}

static char *get_next_name(void);
static char *get_next_name()
{
	if (argc2 > 0) {
		argc2--;
		return (*argv2++);
	} else {
		return NULL;
	}
}

static char *cut_extension(char *fname);

static char *cut_extension(char *fname)
{
	char *pp;

	pp = strrchr(fname, '.');

	if (pp == NULL) {
		pp = fname + strlen(fname);
	}
	*pp = '\0';

	return pp;
}

#ifdef INFOFILES
static void output_indices(FILE *fp, index_list *p, unsigned trackstart)
{
  int ci;

  fprintf(fp, "Index=\t\t");

  if (p == NULL) {
    fprintf(fp, "0\n");
    return;
  }

  for (ci = 1; p != NULL; ci++, p = p->next) {
    int frameoff = p->frameoffset;

    if (p->next == NULL)
	 fputs("\nIndex0=\t\t", fp);
#if 0
    else if ( ci > 8 && (ci % 8) == 1)
	 fputs("\nIndex =\t\t", fp);
#endif
    if (frameoff != -1)
         fprintf(fp, "%d ", frameoff - trackstart);
    else
         fprintf(fp, "-1 ");
  }
  fputs("\n", fp);
}

/*
 * write information before the start of the sampling process
 *
 *
 * uglyfied for Joerg Schillings ultra dumb line parser
 */
static int write_info_file(char *fname_baseval, unsigned int track, 
                           unsigned long int SamplesDone, int numbered)
{
  FILE *info_fp;
  char fname[200];
  char datetime[30];
  time_t utc_time;
  struct tm *tmptr;

  /* write info file */
  if (!strcmp(fname_baseval,"-")) return 0;

  strncpy(fname, fname_baseval, sizeof(fname) -1);
  fname[sizeof(fname) -1] = 0;
  if (numbered)
    sprintf(cut_extension(fname), "_%02u.inf", track);
  else
    strcpy(cut_extension(fname), ".inf");

  info_fp = fopen (fname, "w");
  if (!info_fp)
    return -1;

#if 0
#ifdef MD5_SIGNATURES
  if (global.md5blocksize)
    MD5Final (global.MD5_result, &global.context);
#endif
#endif

  utc_time = time(NULL);
  tmptr = localtime(&utc_time);
  if (tmptr) {
    strftime(datetime, sizeof(datetime), "%x %X", tmptr);
  } else {
    strncpy(datetime, "unknown", sizeof(datetime));
  }
  fprintf(info_fp, "#created by icedax %s %s\n#\n", VERSION
	  , datetime
	  );
  fprintf(info_fp,
"CDINDEX_DISCID=\t'%s'\n" , global.cdindex_id);
  fprintf(info_fp,
"CDDB_DISCID=\t0x%08lx\n\
MCN=\t\t%s\n\
ISRC=\t\t%15.15s\n\
#\n\
Albumperformer=\t'%s'\n\
Performer=\t'%s'\n\
Albumtitle=\t'%s'\n"
	  , (unsigned long) global.cddb_id
	  , Get_MCN()
	  , Get_ISRC(track)
	  , global.creator != NULL ? global.creator : (const unsigned char *)""
	  , global.trackcreator[track] != NULL ? global.trackcreator[track] :
		(global.creator != NULL ? global.creator : (const unsigned char *)"")
	  , global.disctitle != NULL ? global.disctitle : (const unsigned char *)""
	  );
  fprintf(info_fp,
	  "Tracktitle=\t'%s'\n"
	  , global.tracktitle[track] ? global.tracktitle[track] : (const unsigned char *)""
	  );
  fprintf(info_fp, "Tracknumber=\t%u\n"
	  , track
	  );
  fprintf(info_fp, 
	  "Trackstart=\t%ld\n"
	  , Get_AudioStartSector(track)
	  );
  fprintf(info_fp, 
	  "# track length in sectors (1/75 seconds each), rest samples\nTracklength=\t%ld, %d\n"
	  , SamplesDone/588L,(int)(SamplesDone%588));
  fprintf(info_fp, 
	  "Pre-emphasis=\t%s\n"
	  , Get_Preemphasis(track) && (global.deemphasize == 0) ? "yes" : "no");
  fprintf(info_fp, 
	  "Channels=\t%d\n"
	  , Get_Channels(track) ? 4 : global.channels == 2 ? 2 : 1);
	{ int cr = Get_Copyright(track);
		fputs("Copy_permitted=\t", info_fp);
		switch (cr) {
			case 0:
				fputs("once (copyright protected)\n", info_fp);
			break;
			case 1:
				fputs("no (SCMS first copy)\n", info_fp);
			break;
			case 2:
				fputs("yes (not copyright protected)\n", info_fp);
			break;
			default:
				fputs("unknown\n", info_fp);
		}
	}
  fprintf(info_fp, 
	  "Endianess=\t%s\n"
	  , global.need_big_endian ? "big" : "little"
	  );
  fprintf(info_fp, "# index list\n");
  output_indices(info_fp, global.trackindexlist[track],
		 Get_AudioStartSector(track));
#if 0
/* MD5 checksums in info files are currently broken.
 *  for on-the-fly-recording the generation of info files has been shifted
 *  before the recording starts, so there is no checksum at that point.
 */
#ifdef MD5_SIGNATURES
  fprintf(info_fp, 
	  "#(blocksize) checksum\nMD-5=\t\t(%d) %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n"
	  , global.md5blocksize
	  , global.MD5_result[0]
	  , global.MD5_result[1]
	  , global.MD5_result[2]
	  , global.MD5_result[3]
	  , global.MD5_result[4]
	  , global.MD5_result[5]
	  , global.MD5_result[6]
	  , global.MD5_result[7]
	  , global.MD5_result[8]
	  , global.MD5_result[9]
	  , global.MD5_result[10]
	  , global.MD5_result[11]
	  , global.MD5_result[12]
	  , global.MD5_result[13]
	  , global.MD5_result[14]
	  , global.MD5_result[15]);
#endif
#endif
  fclose(info_fp);
  return 0;
}
#endif

static void CloseAudio(int channels_val, unsigned long nSamples, 
                       struct soundfile *audio_out)
{
      /* define length */
      audio_out->ExitSound( global.audio, (nSamples-global.SkippedSamples)*global.OutSampleSize*channels_val );

      close (global.audio);
      global.audio = -1;
}

static unsigned int track = 1;

/* On terminating:
 * define size-related entries in audio file header, update and close file */
static void CloseAll()
{
	WAIT_T chld_return_status;
	int amiparent;

	/* terminate child process first */
	amiparent = child_pid > 0;

	if (global.iloop > 0) {
		/* set to zero */
		global.iloop = 0;
	}

#if	defined	HAVE_FORK_AND_SHAREDMEM
# ifdef DEBUG_CLEANUP
	fprintf(stderr, "%s terminating, \n", amiparent ? 
		"Parent (READER)" : "Child (WRITER)");
#endif
#else
# ifdef DEBUG_CLEANUP
	fprintf(stderr, "icedax single process terminating, \n");
# endif
#endif

	if (amiparent || child_pid < 0) {
		/* switch to original mode and close device */
		EnableCdda (get_scsi_p(), 0, 0);
	}

	if (!amiparent) {
		/* do general clean up */

		if (global.audio>=0) {
			if (bulk) {
				/* finish sample file for this track */
				CloseAudio(global.channels,
				 global.nSamplesDoneInTrack, global.audio_out);
			} else {
				/* finish sample file for this track */
				CloseAudio(global.channels,
				 (unsigned int) *nSamplesToDo, global.audio_out);
			}
		}

		/* tell minimum and maximum amplitudes, if required */
		if (global.findminmax) {
			fprintf(stderr,
			"Right channel: minimum amplitude :%d/-32768, maximum amplitude :%d/32767\n", 
			global.minamp[0], global.maxamp[0]);
			fprintf(stderr,
			"Left  channel: minimum amplitude :%d/-32768, maximum amplitude :%d/32767\n", 
			global.minamp[1], global.maxamp[1]);
		}

		/* tell mono or stereo recording, if required */
		if (global.findmono) {
			fprintf(stderr, "Audio samples are originally %s.\n", global.ismono ? "mono" : "stereo");
		}

		return;	/* end of child or single process */
	}


	if (global.have_forked == 1) {
#ifdef DEBUG_CLEANUP
		fprintf(stderr, "Parent wait for child death, \n");
#endif

		/* wait for child to terminate */
		if (0 > wait(&chld_return_status)) {
			perror("");
		} else {
			if (WIFEXITED(chld_return_status)) {
				if (WEXITSTATUS(chld_return_status)) {
					fprintf(stderr, "\nW Child exited with %d\n", WEXITSTATUS(chld_return_status));
				}
			}
			if (WIFSIGNALED(chld_return_status)) {
				fprintf(stderr, "\nW Child exited due to signal %d\n", WTERMSIG(chld_return_status));
			}
			if (WIFSTOPPED(chld_return_status)) {
				fprintf(stderr, "\nW Child is stopped due to signal %d\n", WSTOPSIG(chld_return_status));
			}
		}

#ifdef DEBUG_CLEANUP
		fprintf(stderr, "\nW Parent child death, state:%d\n", chld_return_status);
#endif
	}

#ifdef GPROF
	rename("gmon.out", "gmon.child");
#endif
}


/* report a usage error and exit */
#ifdef  PROTOTYPES
static void usage2 (const char *szMessage, ...)
#else
static void usage2(const char *szMessage, va_dcl va_alist)
#endif
{
	va_list marker;

#ifdef  PROTOTYPES
	va_start(marker, szMessage);
#else
	va_start(marker);
#endif

	vfprintf(stderr, szMessage, marker);

	va_end(marker);
	fprintf(stderr, "\nPlease use -help or consult the man page for help.\n");

	exit (1);
}


/* report a fatal error, clean up and exit */
#ifdef  PROTOTYPES
void FatalError (const char *szMessage, ...)
#else
void FatalError(const char *szMessage, va_dcl va_alist)
#endif
{
	va_list marker;

#ifdef  PROTOTYPES
	va_start(marker, szMessage);
#else
	va_start(marker);
#endif

	vfprintf(stderr, szMessage, marker);

	va_end(marker);

	if (child_pid >= 0) {
		if (child_pid == 0) {
			pid_t	ppid;
			/*
			 * Kill the parent too if we are not orphaned.
			 */
			ppid = getppid();
			if (ppid > 1)
				kill(ppid, SIGINT);
		} else {
			kill(child_pid, SIGINT);
		}
	}
	exit (1);
}


/* open the audio output file and prepare the header. 
 * the header will be defined on terminating (when the size
 * is known). So hitting the interrupt key leaves an intact
 * file.
 */
static void OpenAudio(char *fname, double rate, long nBitsPerSample, 
                      long channels_val, unsigned long expected_bytes, 
                      struct soundfile *audio_out)
{
  if (global.audio == -1) {

    global.audio = open (fname, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY
#ifdef SYNCHRONOUS_WRITE
			 | O_SYNC
#endif
		  , 0666);
    if (global.audio == -1) {
      if (errno == EAGAIN && is_fifo(fname)) {
        FatalError ("Could not open fifo %s. Probably no fifo reader present.\n", fname);
      }
      perror("open audio sample file");
      FatalError ("Could not open file %s\n", fname);
    }
  }
  global.SkippedSamples = 0;
  any_signal = 0;
  audio_out->InitSound( global.audio, channels_val, (unsigned long)rate, nBitsPerSample, expected_bytes );

#ifdef MD5_SIGNATURES
  if (global.md5blocksize)
    MD5Init (&global.context);
  global.md5count = global.md5blocksize;
#endif
}

#include "scsi_cmds.h"

static int RealEnd(SCSI *usalp, UINT4 *buff);

static int RealEnd(SCSI *usalp, UINT4 *buff)
{
	if (usal_cmd_err(usalp) != 0) {
		int c,k,q;

		k = usal_sense_key(usalp);
		c = usal_sense_code(usalp);
		q = usal_sense_qual(usalp);
		if ((k == 0x05 /* ILLEGAL_REQUEST */ &&
		     c == 0x21 /* lba out of range */ &&
		     q == 0x00) ||
		    (k == 0x05 /* ILLEGAL_REQUEST */ &&
		     c == 0x63 /*end of user area encountered on this track*/ &&
		     q == 0x00) ||
		    (k == 0x08 /* BLANK_CHECK */ &&
		     c == 0x64 /* illegal mode for this track */ &&
		     q == 0x00)) {
			return 1;
		}
	}

	if (usal_getresid(usalp) > 16) return 1;

	{
		unsigned char *p;
		/* Look into the subchannel data */
		buff += CD_FRAMESAMPLES;
		p = (unsigned char *)buff;
		if (p[0] == 0x21 && p[1] == 0xaa) {
			return 1;
		}
	}
	return 0;
}

static void set_offset(myringbuff *p, int offset)
{
#ifdef DEBUG_SHM
  fprintf(stderr, "Write offset %d at %p\n", offset, &p->offset);
#endif
  p->offset = offset;
}


static int get_offset(myringbuff *p)
{
#ifdef DEBUG_SHM
  fprintf(stderr, "Read offset %d from %p\n", p->offset, &p->offset);
#endif
  return p->offset;
}


static void usage()
{
  fputs(
"usage: icedax [OPTIONS ...] [trackfilenames ...]\n\
OPTIONS:\n\
        [-c chans] [-s] [-m] [-b bits] [-r rate] [-a divider] [-S speed] [-x]\n\
        [-t track[+endtrack]] [-i index] [-o offset] [-d duration] [-F] [-G]\n\
        [-q] [-w] [-v vopts] [-R] [-P overlap] [-B] [-T] [-C input-endianess]\n\
        [-e] [-n sectors] [-N] [-J] [-L cddbp-mode] [-H] [-g] [-l buffers] [-D cd-device]\n\
        [-I interface] [-K sound-device] [-O audiotype] [-E output-endianess]\n\
        [-A auxdevice] [-paranoia] [-cddbp-server=name] [-cddbp-port=port] [-version]\n", stderr);
  fputs("\
  (-D) dev=device		set the cdrom or scsi device (as Bus,Id,Lun).\n\
  (-A) auxdevice=device		set the aux device (typically /dev/cdrom).\n\
  (-K) sound-device=device	set the sound device to use for -e (typically /dev/dsp).\n\
  (-I) interface=interface	specify the interface for cdrom access.\n\
        (generic_scsi or cooked_ioctl).\n\
  (-c) channels=channels	set 1 for mono, 2 or s for stereo (s: channels swapped).\n\
  (-s) -stereo			select stereo recording.\n\
  (-m) -mono			select mono recording.\n\
  (-x) -max			select maximum quality (stereo/16-bit/44.1 KHz).\n\
  (-b) bits=bits		set bits per sample per channel (8, 12 or 16 bits).\n\
  (-r) rate=rate		set rate in samples per second. -R gives all rates\n\
  (-a) divider=divider		set rate to 44100Hz / divider. -R gives all rates\n\
  (-R) -dump-rates		dump a table with all available sample rates\n\
  (-S) speed=speedfactor	set the cdrom drive to a given speed during reading\n\
  (-P) set-overlap=sectors	set amount of overlap sampling (default is 0)\n\
  (-n) sectors-per-request=secs	read 'sectors' sectors per request.\n\
  (-l) buffers-in-ring=buffers	use a ring buffer with 'buffers' elements.\n\
  (-t) track=track[+end track]	select start track (option. end track).\n\
  (-i) index=index		select start index.\n\
  (-o) offset=offset		start at 'offset' sectors behind start track/index.\n\
        one sector equivalents 1/75 second.\n\
  (-O) output-format=audiotype	set to wav, au (sun), cdr (raw), aiff or aifc format.\n\
  (-C) cdrom-endianess=endian	set little, big or guess input sample endianess.\n\
  (-E) output-endianess=endian	set little or big output sample endianess.\n\
  (-d) duration=seconds		set recording time in seconds or 0 for whole track.\n\
  (-w) -wait			wait for audio signal, then start recording.\n\
  (-F) -find-extremes		find extrem amplitudes in samples.\n\
  (-G) -find-mono		find if input samples are mono.\n\
  (-T) -deemphasize		undo pre-emphasis in input samples.\n\
  (-e) -echo			echo audio data to sound device (see -K) SOUND_DEV.\n\
  (-v) verbose-level=optlist	controls verbosity (for a list use -vhelp).\n\
  (-N) -no-write		do not create audio sample files.\n\
  (-J) -info-only		give disc information only.\n\
  (-L) cddb=cddbpmode		do cddbp title lookups.\n\
        resolve multiple entries according to cddbpmode: 0=interactive, 1=first entry\n\
  (-H) -no-infofile		no info file generation.\n\
  (-g) -gui			generate special output suitable for gui frontends.\n\
  (-Q) -silent-scsi		do not print status of erreneous scsi-commands.\n\
       -scanbus			scan the SCSI bus and exit\n\
       --devices		scan for system devices and print with native names\n\
  (-M) md5=count		calculate MD-5 checksum for blocks of 'count' bytes.\n\
  (-q) -quiet			quiet operation, no screen output.\n\
  (-p) playback-realtime=perc	play (echo) audio pitched at perc percent (50%-200%).\n\
  (-V) -verbose-scsi		each option increases verbosity for SCSI commands.\n\
  (-h) -help			show this help screen.\n\
  (-B) -alltracks, -bulk	record each track into a seperate file.\n\
       -paranoia		use the lib paranoia for reading.\n\
       -paraopts=opts		set options for lib paranoia (see -paraopts=help).\n\
       -cddbp-server=servername	set the cddbp server to use for title lookups.\n\
       -cddbp-port=portnumber	set the cddbp port to use for title lookups.\n\
       -version			print version information.\n\
\n\
Please note: some short options will be phased out soon (disappear)!\n\
\n\
parameters: (optional) one or more file names or - for standard output.\n\
", stderr);
  fputs("Version ", stderr);
  fputs(VERSION, stderr);
  fprintf(stderr, "\n\
defaults	%s, %d bit, %d.%02d Hz, track 1, no offset, one track,\n",
	  CHANNELS-1?"stereo":"mono", BITS_P_S,
	 44100 / UNDERSAMPLING,
	 (4410000 / UNDERSAMPLING) % 100);
  fprintf(stderr, "\
          type %s '%s', don't wait for signal, not quiet,\n",
          AUDIOTYPE, FILENAME);
  fprintf(stderr, "\
          use %s, device %s, aux %s\n",
	  DEF_INTERFACE, CD_DEVICE, AUX_DEVICE);
  exit( SYNTAX_ERROR );
}

static void init_globals()
{
#ifdef	HISTORICAL_JUNK
  global.dev_name = CD_DEVICE;	/* device name */
#endif
  global.aux_name = AUX_DEVICE;/* auxiliary cdrom device */
  strncpy(global.fname_base, FILENAME, sizeof(global.fname_base));/* auxiliary cdrom device */
  global.have_forked = 0;	/* state variable for clean up */
  global.parent_died = 0;	/* state variable for clean up */
  global.audio    = -1;		/* audio file desc */
  global.cooked_fd  = -1;	/* cdrom file desc */
  global.no_file  =  0;		/* flag no_file */
  global.no_infofile  =  0;	/* flag no_infofile */
  global.no_cddbfile  =  0;	/* flag no_cddbfile */
  global.quiet	  =  0;		/* flag quiet */
  global.verbose  =  SHOW_TOC + SHOW_SUMMARY + SHOW_STARTPOSITIONS + SHOW_TITLES;	/* verbose level */
  global.scsi_silent = 0;
  global.scsi_verbose = 0;		/* SCSI verbose level */
  global.scanbus = 0;
  global.scandevs = 0;
  global.multiname = 0;		/* multiple file names given */
  global.sh_bits  =  0;		/* sh_bits: sample bit shift */
  global.Remainder=  0;		/* remainder */
  global.iloop    =  0;		/* todo counter */
  global.SkippedSamples =  0;	/* skipped samples */
  global.OutSampleSize  =  0;	/* output sample size */
  global.channels = CHANNELS;	/* output sound channels */
  global.nSamplesDoneInTrack = 0; /* written samples in current track */
  global.buffers = 4;           /* buffers to use */
  global.nsectors = NSECTORS;   /* sectors to read in one request */
  global.overlap = 1;           /* amount of overlapping sectors */
  global.useroverlap = -1;      /* amount of overlapping sectors user override */
  global.need_hostorder = 0;	/* processing needs samples in host endianess */
  global.in_lendian = -1;	/* input endianess from SetupSCSI() */
  global.outputendianess = NONE; /* user specified output endianess */
  global.findminmax  =  0;	/* flag find extrem amplitudes */
#ifdef HAVE_LIMITS_H
  global.maxamp[0] = INT_MIN;	/* maximum amplitude */
  global.maxamp[1] = INT_MIN;	/* maximum amplitude */
  global.minamp[0] = INT_MAX;	/* minimum amplitude */
  global.minamp[1] = INT_MAX;	/* minimum amplitude */
#else
  global.maxamp[0] = -32768;	/* maximum amplitude */
  global.maxamp[1] = -32768;	/* maximum amplitude */
  global.minamp[0] = 32767;	/* minimum amplitude */
  global.minamp[1] = 32767;	/* minimum amplitude */
#endif
  global.speed = DEFAULT_SPEED; /* use default */ 
  global.userspeed = -1;        /* speed user override */
  global.findmono  =  0;	/* flag find if samples are mono */
  global.ismono  =  1;		/* flag if samples are mono */
  global.swapchannels  =  0;	/* flag if channels shall be swapped */
  global.deemphasize  =  0;	/* flag undo pre-emphasis in samples */
  global.playback_rate = 100;   /* new fancy selectable sound output rate */
  global.gui  =  0;		/* flag plain formatting for guis */
  global.cddb_id = 0;           /* disc identifying id for CDDB database */
  global.cddb_revision = 0;     /* entry revision for CDDB database */
  global.cddb_year = 0;         /* disc identifying year for CDDB database */
  global.cddb_genre[0] = '\0';  /* disc identifying genre for CDDB database */
  global.cddbp = 0;             /* flag if titles shall be looked up from CDDBP */
  global.cddbp_server = 0;      /* user supplied CDDBP server */
  global.cddbp_port = 0;        /* user supplied CDDBP port */
  global.illleadout_cd = 0;     /* flag if illegal leadout is present */
  global.reads_illleadout = 0;  /* flag if cdrom drive reads cds with illegal leadouts */
  global.disctitle = NULL;
  global.creator = NULL;
  global.copyright_message = NULL;
  memset(global.tracktitle, 0, sizeof(global.tracktitle));
  memset(global.trackindexlist, 0, sizeof(global.trackindexlist));

  global.just_the_toc = 0;
#ifdef	USE_PARANOIA
	global.paranoia_parms.disable_paranoia = 
	global.paranoia_parms.disable_extra_paranoia = 
	global.paranoia_parms.disable_scratch_detect =
	global.paranoia_parms.disable_scratch_repair = 0;
	global.paranoia_parms.retries = 20;
	global.paranoia_parms.overlap = -1;
	global.paranoia_parms.mindynoverlap = -1;
	global.paranoia_parms.maxdynoverlap = -1;
#endif
}

#if !defined (HAVE_STRCASECMP) || (HAVE_STRCASECMP != 1)
#include <ctype.h>
static int strcasecmp(const char *s1, const char *s2);
static int strcasecmp(const char *s1, const char *s2)
{
  if (s1 && s2) {
    while (*s1 && *s2 && (tolower(*s1) - tolower(*s2) == 0)) {
      s1++;
      s2++;
    }
    if (*s1 == '\0' && *s2 == '\0') return 0;
    if (*s1 == '\0') return -1;
    if (*s2 == '\0') return +1;
    return tolower(*s1) - tolower(*s2);
  }
  return -1;
}
#endif

static int is_fifo(char *filename)
{
#if	defined S_ISFIFO
  struct stat statstruct;

  if (stat(filename, &statstruct)) {
    /* maybe the output file does not exist. */
    if (errno == ENOENT)
	return 0;
    else comerr("Error during stat for output file\n");
  } else {
    if (S_ISFIFO(statstruct.st_mode)) {
	return 1;
    }
  }
  return 0;
#else
  return 0;
#endif
}


#if !defined (HAVE_STRTOUL) || (HAVE_STRTOUL != 1)
static unsigned int strtoul(const char *s1, char **s2, int base);
static unsigned int strtoul(const char *s1, char **s2, int base)
{
	long retval;

	if (base == 10) {
		/* strip zeros in front */
		while (*s1 == '0')
			s1++;
	}
	if (s2 != NULL) {
		*s2 = astol(s1, &retval);
	} else {
		(void) astol(s1, &retval);
	}

	return (unsigned long) retval; 	
}
#endif

static unsigned long SectorBurst;
#if (SENTINEL > CD_FRAMESIZE_RAW)
error block size for overlap check has to be < sector size
#endif


static void
switch_to_realtime_priority(void);

#ifdef  HAVE_SYS_PRIOCNTL_H

#include <sys/priocntl.h>
#include <sys/rtpriocntl.h>
static void switch_to_realtime_priority()
{
        pcinfo_t        info;
        pcparms_t       param;
        rtinfo_t        rtinfo;
        rtparms_t       rtparam;
	int		pid;

	pid = getpid();

        /* get info */
        strcpy(info.pc_clname, "RT");
        if (-1 == priocntl(P_PID, pid, PC_GETCID, (void *)&info)) {
                errmsg("Cannot get priority class id priocntl(PC_GETCID)\n");
		goto prio_done;
	}

        memmove(&rtinfo, info.pc_clinfo, sizeof(rtinfo_t));

        /* set priority not to the max */
        rtparam.rt_pri = rtinfo.rt_maxpri - 2;
        rtparam.rt_tqsecs = 0;
        rtparam.rt_tqnsecs = RT_TQDEF;
        param.pc_cid = info.pc_cid;
        memmove(param.pc_clparms, &rtparam, sizeof(rtparms_t));
	priv_on();
	needroot(0);
        if (-1 == priocntl(P_PID, pid, PC_SETPARMS, (void *)&param))
                errmsg("Cannot set priority class parameters priocntl(PC_SETPARMS)\n");
prio_done:
	priv_off();
	dontneedroot();
}
#else
#if defined(_POSIX_PRIORITY_SCHEDULING) && _POSIX_PRIORITY_SCHEDULING -0 >= 0
#define	USE_POSIX_PRIORITY_SCHEDULING
#endif
#ifdef	USE_POSIX_PRIORITY_SCHEDULING
#include <sched.h>

static void switch_to_realtime_priority()
{
#ifdef  _SC_PRIORITY_SCHEDULING
	if (sysconf(_SC_PRIORITY_SCHEDULING) == -1) {
		errmsg("WARNING: RR-scheduler not available, disabling.\n");
	} else
#endif
	{
	int sched_fifo_min, sched_fifo_max;
	struct sched_param sched_parms;

	sched_fifo_min = sched_get_priority_min(SCHED_FIFO);
	sched_fifo_max = sched_get_priority_max(SCHED_FIFO);
	sched_parms.sched_priority = sched_fifo_max - 1;
	priv_on();
	needroot(0);
	if (-1 == sched_setscheduler(getpid(), SCHED_FIFO, &sched_parms)
		&& global.quiet != 1)
		errmsg("cannot set posix realtime scheduling policy\n");
	priv_off();
	dontneedroot();
	}
}
#else
#if defined(__CYGWIN32__)

/*
 * NOTE: Base.h from Cygwin-B20 has a second typedef for BOOL.
 *	 We define BOOL to make all local code use BOOL
 *	 from Windows.h and use the hidden __SBOOL for
 *	 our global interfaces.
 *
 * NOTE: windows.h from Cygwin-1.x includes a structure field named sample,
 *	 so me may not define our own 'sample' or need to #undef it now.
 *	 With a few nasty exceptions, Microsoft assumes that any global
 *	 defines or identifiers will begin with an Uppercase letter, so
 *	 there may be more of these problems in the future.
 *
 * NOTE: windows.h defines interface as an alias for struct, this 
 *	 is used by COM/OLE2, I guess it is class on C++
 *	 We man need to #undef 'interface'
 */
#define	BOOL	WBOOL		/* This is the Win BOOL		*/
#define	format	__format	/* Avoid format parameter hides global ... */
#include <windows.h>
#undef format
#undef interface

static void switch_to_realtime_priority()
{
   /* set priority class */
   if (FALSE == SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS)) {
     fprintf(stderr, "No realtime priority possible.\n");
     return;
   }

   /* set thread priority */
   if (FALSE == SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST)) {
     fprintf(stderr, "Could not set realtime priority.\n");
   }
}
#else
static void switch_to_realtime_priority()
{
}
#endif
#endif
#endif

/* SCSI cleanup */
int on_exitscsi(void *status);

int on_exitscsi(void *status)
{
	exit((intptr_t)status);
	return 0;
}

/* wrapper for signal handler exit needed for Mac-OS-X */
static void exit_wrapper(int status);

static void exit_wrapper(int status)
{
#if defined DEBUG_CLEANUP
	fprintf( stderr, "Exit(%d) for %s\n", status, child_pid == 0 ? "Child" : "Parent");
	fflush(stderr);
#endif

	if (child_pid != 0) {
		SCSI *usalp = get_scsi_p();
		if (usalp->running) {
			usalp->cb_fun = on_exitscsi;
			usalp->cb_arg = (void *) (uintptr_t) status;
		} else {
			on_exitscsi((void *) (intptr_t) status);
		} 
	} else {
		exit(status);
	}
}

/* signal handler for process communication */
static void set_nonforked(int status);

/* ARGSUSED */
static void set_nonforked(int status)
{
	global.parent_died = 1;
#if defined DEBUG_CLEANUP
fprintf( stderr, "SIGPIPE received from %s\n.", child_pid == 0 ? "Child" : "Parent");
#endif
	if (child_pid == 0) {
		pid_t	ppid;
		/*
		 * Kill the parent too if we are not orphaned.
		 */
		ppid = getppid();
		if (ppid > 1)
			kill(ppid, SIGINT);
	} else {
		kill(child_pid, SIGINT);
	}
	exit(SIGPIPE_ERROR);
}



#ifdef	USE_PARANOIA
static struct paranoia_statistics
{
	long	c_sector;
	long	v_sector;
	int	last_heartbeatstate;
	long	lasttime;
	char	heartbeat;
	int	minoverlap;
	int	curoverlap;
	int	maxoverlap;
	int	slevel;
	int	slastlevel;
	int	stimeout;
	int	rip_smile_level;
	unsigned verifies;
	unsigned reads;
	unsigned fixup_edges;
	unsigned fixup_atoms;
	unsigned readerrs;
	unsigned skips;
	unsigned overlaps;
	unsigned scratchs;
	unsigned drifts;
	unsigned fixup_droppeds;
	unsigned fixup_dupeds;
}	*para_stat;


static void paranoia_reset(void);
static void paranoia_reset()
{
	para_stat->c_sector = 0;
	para_stat->v_sector = 0;
	para_stat->last_heartbeatstate = 0;
	para_stat->lasttime = 0;
	para_stat->heartbeat = ' ';
	para_stat->minoverlap = 0x7FFFFFFF;
	para_stat->curoverlap = 0;
	para_stat->maxoverlap = 0;
	para_stat->slevel = 0;
	para_stat->slastlevel = 0;
	para_stat->stimeout = 0;
	para_stat->rip_smile_level = 0;
	para_stat->verifies = 0;
	para_stat->reads = 0;
	para_stat->readerrs = 0;
	para_stat->fixup_edges = 0;
	para_stat->fixup_atoms = 0;
	para_stat->fixup_droppeds = 0;
	para_stat->fixup_dupeds = 0;
	para_stat->drifts = 0;
	para_stat->scratchs = 0;
	para_stat->overlaps = 0;
	para_stat->skips = 0;
}

static void paranoia_callback(long inpos, int function);

static void paranoia_callback(long inpos, int function)
{
	struct timeval thistime;
	long	test;

	switch (function) {
		case	-2:
			para_stat->v_sector = inpos / CD_FRAMEWORDS;
			return;
		case	-1:
			para_stat->last_heartbeatstate = 8;
			para_stat->heartbeat = '*';
			para_stat->slevel = 0;
			para_stat->v_sector = inpos / CD_FRAMEWORDS;
		break;
		case	PARANOIA_CB_VERIFY:
			if (para_stat->stimeout >= 30) {
				if (para_stat->curoverlap > CD_FRAMEWORDS) {
					para_stat->slevel = 2;
				} else {
					para_stat->slevel = 1;
				}
			}
			para_stat->verifies++;
		break;
		case	PARANOIA_CB_READ:
			if (inpos / CD_FRAMEWORDS > para_stat->c_sector) {
				para_stat->c_sector = inpos / CD_FRAMEWORDS;
			}
			para_stat->reads++;
		break;
		case	PARANOIA_CB_FIXUP_EDGE:
			if (para_stat->stimeout >= 5) {
				if (para_stat->curoverlap > CD_FRAMEWORDS) {
					para_stat->slevel = 2;
				} else {
					para_stat->slevel = 1;
				}
			}
			para_stat->fixup_edges++;
		break;
		case	PARANOIA_CB_FIXUP_ATOM:
			if (para_stat->slevel < 3 || para_stat->stimeout > 5) {
				para_stat->slevel = 3;
			}
			para_stat->fixup_atoms++;
		break;
		case	PARANOIA_CB_READERR:
			para_stat->slevel = 6;
			para_stat->readerrs++;
		break;
		case	PARANOIA_CB_SKIP:
			para_stat->slevel = 8;
			para_stat->skips++;
		break;
		case	PARANOIA_CB_OVERLAP:
			para_stat->curoverlap = inpos;
			if (inpos > para_stat->maxoverlap)
				para_stat->maxoverlap = inpos;
			if (inpos < para_stat->minoverlap)
				para_stat->minoverlap = inpos;
			para_stat->overlaps++;
		break;
		case	PARANOIA_CB_SCRATCH:
			para_stat->slevel = 7;
			para_stat->scratchs++;
		break;
		case	PARANOIA_CB_DRIFT:
			if (para_stat->slevel < 4 || para_stat->stimeout > 5) {
				para_stat->slevel = 4;
			}
			para_stat->drifts++;
		break;
		case	PARANOIA_CB_FIXUP_DROPPED:
			para_stat->slevel = 5;
			para_stat->fixup_droppeds++;
		break;
		case	PARANOIA_CB_FIXUP_DUPED:
			para_stat->slevel = 5;
			para_stat->fixup_dupeds++;
		break;
	}

	gettimeofday(&thistime, NULL);
	/* now in tenth of seconds. */
	test = thistime.tv_sec * 10 + thistime.tv_usec / 100000;

	if (para_stat->lasttime != test
		|| function == -1
		|| para_stat->slastlevel != para_stat->slevel) {

		if (function == -1
			|| para_stat->slastlevel != para_stat->slevel) {

			static const char hstates[] = " .o0O0o.";

			para_stat->lasttime = test;
			para_stat->stimeout++;

			para_stat->last_heartbeatstate++;
			if (para_stat->last_heartbeatstate > 7) {
				para_stat->last_heartbeatstate = 0;
			}
			para_stat->heartbeat = hstates[para_stat->last_heartbeatstate];

			if (function == -1) {
				para_stat->heartbeat = '*';
			}
		}

		if (para_stat->slastlevel != para_stat->slevel) {
			para_stat->stimeout = 0;
		}
		para_stat->slastlevel = para_stat->slevel;
	}

	if (para_stat->slevel < 8) {
		para_stat->rip_smile_level = para_stat->slevel;
	} else {
		para_stat->rip_smile_level = 0;
	}
}
#endif

static long lSector;
static long lSector_p2;
static double rate = 44100.0 / UNDERSAMPLING;
static int bits = BITS_P_S;
static char fname[200];
static const char *audio_type;
static long BeginAtSample;
static unsigned long SamplesToWrite; 
static unsigned minover;
static unsigned maxover;

static unsigned long calc_SectorBurst(void);
static unsigned long calc_SectorBurst()
{
	unsigned long SectorBurstVal;

	SectorBurstVal = min(global.nsectors,
		  (global.iloop + CD_FRAMESAMPLES-1) / CD_FRAMESAMPLES);
	if ( lSector+(int)SectorBurst-1 >= lSector_p2 )
		SectorBurstVal = lSector_p2 - lSector;
	return SectorBurstVal;
}

/* if PERCENTAGE_PER_TRACK is defined, the percentage message will reach
 * 100% every time a track end is reached or the time limit is reached.
 *
 * Otherwise if PERCENTAGE_PER_TRACK is not defined, the percentage message
 * will reach 100% once at the very end of the last track.
 */
#define	PERCENTAGE_PER_TRACK

static int do_read(myringbuff *p, unsigned *total_unsuccessful_retries);
static int do_read(myringbuff *p, unsigned *total_unsuccessful_retries)
{
	unsigned char *newbuf;
	int offset;
	unsigned int added_size;

	/* how many sectors should be read */
	SectorBurst =  calc_SectorBurst();

#ifdef	USE_PARANOIA
	if (global.paranoia_selected) {
		int i;

		for (i = 0; i < SectorBurst; i++) {
			void *dp;

			dp = paranoia_read_limited(global.cdp, paranoia_callback,
				global.paranoia_parms.retries);
/*
			{
				char *err;
				char *msg;
				err = cdda_errors(global.cdp);
				msg = cdda_messages(global.cdp);
				if (err) {
					fputs(err, stderr);
					free(err);
				}
				if (msg) {
					fputs(msg, stderr);
					free(msg);
				}
			}
*/
			if (dp != NULL)	{
				memcpy(p->data + i*CD_FRAMESAMPLES, dp,
					CD_FRAMESIZE_RAW);
			} else {
				fputs("E unrecoverable error!", stderr);
				exit(READ_ERROR);
			}
		}
		newbuf = (unsigned char *)p->data;
		offset = 0;
        	set_offset(p,offset);
		added_size = SectorBurst * CD_FRAMESAMPLES;
		global.overlap = 0;
		handle_inputendianess(p->data, added_size);
	} else 
#endif
	{
		unsigned int retry_count;
#define MAX_READRETRY 12

		retry_count = 0;
		do {
			SCSI *usalp = get_scsi_p();
			int retval;
#ifdef DEBUG_READS
fprintf(stderr, "reading from %lu to %lu, overlap %u\n", lSector, lSector + SectorBurst -1, global.overlap);
#endif

#ifdef DEBUG_BUFFER_ADDRESSES
fprintf(stderr, "%p %l\n", p->data, global.pagesize);
if (((unsigned)p->data) & (global.pagesize -1) != 0) {
  fprintf(stderr, "Address %p is NOT page aligned!!\n", p->data);
}
#endif

			if (global.reads_illleadout != 0 && lSector > Get_StartSector(LastTrack())) {
				int singles = 0;
				UINT4 bufferSub[CD_FRAMESAMPLES + 24];

				/* we switch to single sector reads,
				 * in order to handle the remaining sectors. */
				usalp->silent++;
				do {
					ReadCdRomSub( usalp, bufferSub, lSector+singles, 1 );
					*eorecording = RealEnd( usalp, bufferSub );
					if (*eorecording) {
						break;
					}
					memcpy(p->data+singles*CD_FRAMESAMPLES, bufferSub, CD_FRAMESIZE_RAW);
					singles++;
				} while (singles < SectorBurst);
				usalp->silent--;

				if ( *eorecording ) {
					patch_real_end(lSector+singles);
					SectorBurst = singles;
#if	DEBUG_ILLLEADOUT
fprintf(stderr, "iloop=%11lu, nSamplesToDo=%11lu, end=%lu -->\n",
global.iloop, *nSamplesToDo, lSector+singles);
#endif

					*nSamplesToDo -= global.iloop - SectorBurst*CD_FRAMESAMPLES;
					global.iloop = SectorBurst*CD_FRAMESAMPLES;
#if	DEBUG_ILLLEADOUT
fprintf(stderr, "iloop=%11lu, nSamplesToDo=%11lu\n\n",
global.iloop, *nSamplesToDo);
#endif

				}
			} else {
				retval = ReadCdRom( usalp, p->data, lSector, SectorBurst );
			}
			handle_inputendianess(p->data, SectorBurst * CD_FRAMESAMPLES);
			if (NULL ==
				(newbuf = synchronize( p->data, SectorBurst*CD_FRAMESAMPLES,
                			*nSamplesToDo-global.iloop ))) {
				/* could not synchronize!
				 * Try to invalidate the cdrom cache.
				 * Increase overlap setting, if possible.
				 */	
				/*trash_cache(p->data, lSector, SectorBurst);*/
				if (global.overlap < global.nsectors - 1) {
					global.overlap++;
					lSector--;
					SectorBurst = calc_SectorBurst();
#ifdef DEBUG_DYN_OVERLAP
fprintf(stderr, "using increased overlap of %u\n", global.overlap);
#endif
				} else {
					lSector += global.overlap - 1;
					global.overlap = 1;
					SectorBurst =  calc_SectorBurst();
				}
			} else
				break;
		} while (++retry_count < MAX_READRETRY);

		if (retry_count == MAX_READRETRY && newbuf == NULL && global.verbose != 0) {
			(*total_unsuccessful_retries)++;
		}

		if (newbuf) {
			offset = newbuf - ((unsigned char *)p->data);
		} else {
			offset = global.overlap * CD_FRAMESIZE_RAW;
		}
		set_offset(p,offset);

		/* how much has been added? */
		added_size = SectorBurst * CD_FRAMESAMPLES - offset/4;

		if (newbuf && *nSamplesToDo != global.iloop) {
			minover = min(global.overlap, minover);
			maxover = max(global.overlap, maxover);


			/* should we reduce the overlap setting ? */
			if (offset > CD_FRAMESIZE_RAW && global.overlap > 1) {
#ifdef DEBUG_DYN_OVERLAP
fprintf(stderr, "decreasing overlap from %u to %u (jitter %d)\n", global.overlap, global.overlap-1, offset - (global.overlap)*CD_FRAMESIZE_RAW);
#endif
				global.overlap--;
				SectorBurst =  calc_SectorBurst();
			}
		}
	}
	if (global.iloop >= added_size) {
		global.iloop -= added_size;
	} else {
		global.iloop = 0;
	}

	lSector += SectorBurst - global.overlap;

#if	defined	PERCENTAGE_PER_TRACK && defined HAVE_FORK_AND_SHAREDMEM
	{
		int as;
		while ((as = Get_StartSector(current_track+1)) != -1
			&& lSector >= as) {
			current_track++;
		}
	}
#endif

	return offset;
}

static void
print_percentage(unsigned *poper, int c_offset);

static void print_percentage(unsigned *poper, int c_offset)
{
	unsigned per;
#ifdef	PERCENTAGE_PER_TRACK
	/* Thomas Niederreiter wants percentage per track */
	unsigned start_in_track = max(BeginAtSample,
		Get_AudioStartSector(current_track)*CD_FRAMESAMPLES);

	per = min(BeginAtSample + (long)*nSamplesToDo,
		Get_StartSector(current_track+1)*CD_FRAMESAMPLES)
		- (long)start_in_track;

	per = (BeginAtSample+nSamplesDone
		- start_in_track
		)/(per/100);

#else
	per = global.iloop ? (nSamplesDone)/(*nSamplesToDo/100) : 100;
#endif

	if (global.overlap > 0) {
		fprintf(stderr, "\r%2d/%2d/%2d/%7d %3d%%",
			minover, maxover, global.overlap,
			c_offset - global.overlap*CD_FRAMESIZE_RAW,
			per);
	} else if (*poper != per) {
		fprintf(stderr, "\r%3d%%", per);
	}
	*poper = per;
	fflush(stderr);
}

static unsigned long do_write(myringbuff *p);
static unsigned long do_write(myringbuff *p)
{
	int current_offset;
	unsigned int InSamples;
	static unsigned oper = 200;

	current_offset = get_offset(p);

	/* how many bytes are available? */
	InSamples = global.nsectors*CD_FRAMESAMPLES - current_offset/4;
	/* how many samples are wanted? */
	InSamples = min((*nSamplesToDo-nSamplesDone),InSamples);

	/* when track end is reached, close current file and start a new one */
	while ((nSamplesDone < *nSamplesToDo) && (InSamples != 0)) {
		long unsigned int how_much = InSamples;

		long int left_in_track;
		left_in_track  = Get_StartSector(current_track+1)*CD_FRAMESAMPLES
				 - (int)(BeginAtSample+nSamplesDone);

		if (*eorecording != 0 && current_track == cdtracks+1 &&
       		    (*total_segments_read) == (*total_segments_written)+1) {
			/* limit, if the actual end of the last track is
			 * not known from the toc. */
			left_in_track = InSamples;
		}

if (left_in_track < 0) {
	fprintf(stderr, "internal error: negative left_in_track:%ld, current_track=%d\n",left_in_track, current_track);
}

		if (bulk) {
			how_much = min(how_much, (unsigned long) left_in_track);
		}

#ifdef MD5_SIGNATURES
		if (global.md5count) {
			MD5Update (&global.context, ((unsigned char *)p->data) +current_offset, min(global.md5count,how_much));
			global.md5count -= min(global.md5count,how_much);
		}
#endif
		if ( SaveBuffer ( p->data + current_offset/4,
			 how_much,
			 &nSamplesDone) ) {
			if (global.have_forked == 1) {
				pid_t	ppid;
				/*
				 * Kill the parent too if we are not orphaned.
				 */
				ppid = getppid();
				if (ppid > 1)
					kill(ppid, SIGINT);
			}
			exit(WRITE_ERROR);
		}

		global.nSamplesDoneInTrack += how_much;
		SamplesToWrite -= how_much;

		/* move residual samples upto buffer start */
		if (how_much < InSamples) {
			memmove(
			  (char *)(p->data) + current_offset,
			  (char *)(p->data) + current_offset + how_much*4,
			  (InSamples - how_much) * 4);
		}

		if ((unsigned long) left_in_track <= InSamples || SamplesToWrite == 0) {
			/* the current portion to be handled is 
			   the end of a track */

			if (bulk) {
				/* finish sample file for this track */
				CloseAudio(global.channels,
				  global.nSamplesDoneInTrack, global.audio_out);
			} else if (SamplesToWrite == 0) {
				/* finish sample file for this track */
				CloseAudio(global.channels,
				  (unsigned int) *nSamplesToDo, global.audio_out);
			}

			if (global.verbose) {
#ifdef	USE_PARANOIA
				double	f;
#endif
				print_percentage(&oper, current_offset);
				fputc(' ', stderr);
#ifndef	THOMAS_SCHAU_MAL
				if ((unsigned long)left_in_track > InSamples) {
					fputs(" incomplete", stderr);
				}
#endif
				if (global.tracktitle[current_track] != NULL) {
					fprintf( stderr,
						" track %2u '%s' recorded", 
						current_track,
						global.tracktitle[current_track]);
				} else {
					fprintf( stderr,
						" track %2u recorded",
						current_track);
				}
#ifdef	USE_PARANOIA
				oper = para_stat->readerrs + para_stat->skips +
					  para_stat->fixup_edges + para_stat->fixup_atoms + 
					  para_stat->fixup_droppeds + para_stat->fixup_dupeds + 
					  para_stat->drifts;
				f = (100.0 * oper) / (((double)global.nSamplesDoneInTrack)/588.0);

				if (para_stat->readerrs) {
					fprintf(stderr, " with audible hard errors");
				} else if ((para_stat->skips) > 0) {
					fprintf(stderr, " with %sretry/skip errors",
							f < 2.0 ? "":"audible ");
				} else if (oper > 0) {
					oper = f;
					
					fprintf(stderr, " with ");
					if (oper < 2)
						fprintf(stderr, "minor");
					else if (oper < 10)
						fprintf(stderr, "medium");
					else if (oper < 67)
						fprintf(stderr, "noticable audible");
					else if (oper < 100)
						fprintf(stderr, "major audible");
					else
						fprintf(stderr, "extreme audible");
					fprintf(stderr, " problems");
				} else {
					fprintf(stderr, " successfully");
				}
				if (f >= 0.1)
					fprintf(stderr, " (%.1f%% problem sectors)", f);
#else
				fprintf(stderr, " successfully");
#endif

				if (waitforsignal == 1) {
					fprintf(stderr, ". %d silent samples omitted", global.SkippedSamples);
				}
				fputs("\n", stderr);

				if (global.reads_illleadout && *eorecording == 1) {
					fprintf(stderr, "Real lead out at: %ld sectors\n", 
					  (*nSamplesToDo+BeginAtSample)/CD_FRAMESAMPLES);
				}
#ifdef	USE_PARANOIA
				if (global.paranoia_selected) {
					oper = 200;	/* force new output */
					print_percentage(&oper, current_offset);
					if (para_stat->minoverlap == 0x7FFFFFFF)
						para_stat->minoverlap = 0;
					fprintf(stderr, "  %u rderr, %u skip, %u atom, %u edge, %u drop, %u dup, %u drift\n"
						,para_stat->readerrs
						,para_stat->skips
						,para_stat->fixup_atoms
						,para_stat->fixup_edges
						,para_stat->fixup_droppeds
						,para_stat->fixup_dupeds
						,para_stat->drifts);
					oper = 200;	/* force new output */
					print_percentage(&oper, current_offset);
					fprintf(stderr, "  %u overlap(%.4g .. %.4g)\n",
						para_stat->overlaps,
						(float)para_stat->minoverlap / (2352.0/2.0),
						(float)para_stat->maxoverlap / (2352.0/2.0));
					paranoia_reset();
				}
#endif
			}

			global.nSamplesDoneInTrack = 0;
			if ( bulk && SamplesToWrite > 0 ) {
				if ( !global.no_file ) {
					char *tmp_fname;

					/* build next filename */
					tmp_fname = get_next_name();
					if (tmp_fname != NULL) {
						strncpy(global.fname_base,
							tmp_fname,
							sizeof global.fname_base);
						global.fname_base[
							sizeof(global.fname_base)-1] =
							'\0';
					}

					tmp_fname = cut_extension(global.fname_base);
					tmp_fname[0] = '\0';

					if (global.multiname == 0) {
						sprintf(fname, "%s_%02u.%s",
							global.fname_base,
							current_track+1,
							audio_type);
					} else {
						sprintf(fname, "%s.%s",
							global.fname_base,
							audio_type);
					}

					OpenAudio( fname, rate, bits, global.channels,
						(Get_AudioStartSector(current_track+1) -
						 Get_AudioStartSector(current_track))
							*CD_FRAMESIZE_RAW,
						global.audio_out);
				} /* global.nofile */
			} /* if ( bulk && SamplesToWrite > 0 ) */
			current_track++;

		} /* left_in_track <= InSamples */
		InSamples -= how_much;

	}  /* end while */
	if (!global.quiet && *nSamplesToDo != nSamplesDone) {
		print_percentage(&oper, current_offset);
	}
	return nSamplesDone;
}

#define PRINT_OVERLAP_INIT \
   if (global.verbose) { \
	if (global.overlap > 0) \
		fprintf(stderr, "overlap:min/max/cur, jitter, percent_done:\n  /  /  /          0%%"); \
	else \
		fputs("percent_done:\n  0%", stderr); \
   }

#if defined HAVE_FORK_AND_SHAREDMEM
static void forked_read(void);

/* This function does all audio cdrom reads
 * until there is nothing more to do
 */
static void forked_read()
{
   unsigned total_unsuccessful_retries = 0;

#if !defined(HAVE_SEMGET) || !defined(USE_SEMAPHORES)
   init_child();
#endif

   minover = global.nsectors;

   PRINT_OVERLAP_INIT
   while (global.iloop) { 

      do_read(get_next_buffer(), &total_unsuccessful_retries);

      define_buffer();

   } /* while (global.iloop) */

   if (total_unsuccessful_retries) {
      fprintf(stderr,"%u unsuccessful matches while reading\n",total_unsuccessful_retries);
   }
}

static void forked_write(void);

static void forked_write()
{

    /* don't need these anymore.  Good security policy says we get rid
       of them ASAP */
	priv_off();
	neverneedroot();
	neverneedgroup();

#if defined(HAVE_SEMGET) && defined(USE_SEMAPHORES)
#else
    init_parent();
#endif

    for (;nSamplesDone < *nSamplesToDo;) {
	if (*eorecording == 1 && (*total_segments_read) == (*total_segments_written)) break;

	/* get oldest buffers */
      
	nSamplesDone = do_write(get_oldest_buffer());

        drop_buffer();

    } /* end for */

}
#endif

/* This function implements the read and write calls in one loop (in case
 * there is no fork/thread_create system call).
 * This means reads and writes have to wait for each other to complete.
 */
static void nonforked_loop(void);

static void nonforked_loop()
{
    unsigned total_unsuccessful_retries = 0;

    minover = global.nsectors;

    PRINT_OVERLAP_INIT
    while (global.iloop) { 

      do_read(get_next_buffer(), &total_unsuccessful_retries);

      do_write(get_oldest_buffer());

    }

    if (total_unsuccessful_retries) {
      fprintf(stderr,"%u unsuccessful matches while reading\n",total_unsuccessful_retries);
    }

}

void verbose_usage(void);

void verbose_usage()
{
	fputs("\
	help		lists all verbose options.\n\
	disable		disables verbose mode.\n\
	all		enables all verbose options.\n\
	toc		display the table of contents.\n\
	summary		display a summary of track parameters.\n\
	indices		retrieve/display index positions.\n\
	catalog		retrieve/display media catalog number.\n\
	trackid		retrieve/display international standard recording code.\n\
	sectors		display the start sectors of each track.\n\
	titles		display any known track titles.\n\
", stderr);
}

#ifdef	USE_PARANOIA
void paranoia_usage(void);

void paranoia_usage()
{
	fputs("\
	help		lists all paranoia options.\n\
	disable		disables paranoia mode. Paranoia is still being used.\n\
	no-verify	switches verify off, and overlap on.\n\
	retries=amount	set the number of maximum retries per sector.\n\
	overlap=amount	set the number of sectors used for statical paranoia overlap.\n\
	minoverlap=amt	set the min. number of sectors used for dynamic paranoia overlap.\n\
	maxoverlap=amt	set the max. number of sectors used for dynamic paranoia overlap.\n\
", stderr);
}
#endif

int
handle_verbose_opts(char *optstr, long *flagp);

int handle_verbose_opts(char *optstr, long *flagp)
{
	char	*ep;
	char	*np;
	int	optlen;

	*flagp = 0;
	while (*optstr) {
		if ((ep = strchr(optstr, ',')) != NULL) {
			optlen = ep - optstr;
			np = ep + 1;
		} else {
			optlen = strlen(optstr);
			np = optstr + optlen;
		}
		if (strncmp(optstr, "toc", optlen) == 0) {
			*flagp |= SHOW_TOC;
		}
		else if (strncmp(optstr, "summary", optlen) == 0) {
			*flagp |= SHOW_SUMMARY;
		}
		else if (strncmp(optstr, "indices", optlen) == 0) {
			*flagp |= SHOW_INDICES;
		}
		else if (strncmp(optstr, "catalog", optlen) == 0) {
			*flagp |= SHOW_MCN;
		}
		else if (strncmp(optstr, "trackid", optlen) == 0) {
			*flagp |= SHOW_ISRC;
		}
		else if (strncmp(optstr, "sectors", optlen) == 0) {
			*flagp |= SHOW_STARTPOSITIONS;
		}
		else if (strncmp(optstr, "titles", optlen) == 0) {
			*flagp |= SHOW_TITLES;
		}
		else if (strncmp(optstr, "all", optlen) == 0) {
			*flagp |= SHOW_MAX;
		}
		else if (strncmp(optstr, "disable", optlen) == 0) {
			*flagp = 0;
		}
		else if (strncmp(optstr, "help", optlen) == 0) {
			verbose_usage();
			exit(NO_ERROR);
		}
		else {
			char	*endptr;
			unsigned arg = strtoul(optstr, &endptr, 10);
			if (optstr != endptr
				&& arg <= SHOW_MAX) {
				*flagp |= arg;
				fprintf(stderr, "Warning: numerical parameters for -v are no more supported in the next releases!\n");
			}
			else {
				fprintf(stderr, "unknown option %s\n", optstr);
				verbose_usage();
				exit(SYNTAX_ERROR);
			}
		}
		optstr = np;
	}
	return 1;
}


int
handle_paranoia_opts(char *optstr, long *flagp);

int handle_paranoia_opts(char *optstr, long *flagp)
{
#ifdef	USE_PARANOIA
	char	*ep;
	char	*np;
	int	optlen;

	while (*optstr) {
		if ((ep = strchr(optstr, ',')) != NULL) {
			optlen = ep - optstr;
			np = ep + 1;
		} else {
			optlen = strlen(optstr);
			np = optstr + optlen;
		}
		if (strncmp(optstr, "retries=", min(8,optlen)) == 0) {
			char *eqp = strchr(optstr, '=');
			int   rets;

			astoi(eqp+1, &rets);
			if (rets >= 0) {
				global.paranoia_parms.retries = rets;
			}
		}
		else if (strncmp(optstr, "overlap=", min(8, optlen)) == 0) {
			char *eqp = strchr(optstr, '=');
			int   rets;

			astoi(eqp+1, &rets);
			if (rets >= 0) {
				global.paranoia_parms.overlap = rets;
			}
		}
		else if (strncmp(optstr, "minoverlap=", min(11, optlen)) == 0) {
			char *eqp = strchr(optstr, '=');
			int   rets;

			astoi(eqp+1, &rets);
			if (rets >= 0) {
				global.paranoia_parms.mindynoverlap = rets;
			}
		}
		else if (strncmp(optstr, "maxoverlap=", min(11, optlen)) == 0) {
			char *eqp = strchr(optstr, '=');
			int   rets;

			astoi(eqp+1, &rets);
			if (rets >= 0) {
				global.paranoia_parms.maxdynoverlap = rets;
			}
		}
		else if (strncmp(optstr, "no-verify", optlen) == 0) {
			global.paranoia_parms.disable_extra_paranoia = 1;
		}
		else if (strncmp(optstr, "disable", optlen) == 0) {
			global.paranoia_parms.disable_paranoia = 1;
		}
		else if (strncmp(optstr, "help", optlen) == 0) {
			paranoia_usage();
			exit(NO_ERROR);
		}
		else {
			fprintf(stderr, "unknown option %s\n", optstr);
			paranoia_usage();
			exit(SYNTAX_ERROR);
		}
		optstr = np;
	}
	return 1;
#else
	fputs("lib paranoia support is not configured!\n", stderr);
	return 0;
#endif
}


/* and finally: the MAIN program */
int main(int argc, char *argv[])
{
  long lSector_p1;
  long sector_offset = 0;
  unsigned long endtrack = 1;
  double rectime = DURATION;
  int cd_index = -1;
  double int_part;
  int littleendian = -1;
  char *int_name;
  static char *user_sound_device = "";
  char * env_p;
  int tracks_included;
	int	moreargs;

  int_name = DEF_INTERFACE;
  audio_type = AUDIOTYPE;
  save_args(argc, argv);

  /* init global variables */
  init_globals();
{
  int am_i_cdda2wav;
  /* When being invoked as list_audio_tracks, just dump a list of
     audio tracks. */
  am_i_cdda2wav = !(strlen(argv[0]) >= sizeof("list_audio_tracks")-1
	&& !strcmp(argv[0]+strlen(argv[0])+1-sizeof("list_audio_tracks"),"list_audio_tracks"));
  if (!am_i_cdda2wav) global.verbose = SHOW_JUSTAUDIOTRACKS;
}
  /* Control those set-id privileges... */
  initsecurity();

  env_p = getenv("CDDA_DEVICE");
  if (env_p != NULL) {
    global.dev_name = env_p;
  }

  env_p = getenv("CDDBP_SERVER");
  if (env_p != NULL) {
    global.cddbp_server = env_p;
  }

  env_p = getenv("CDDBP_PORT");
  if (env_p != NULL) {
    global.cddbp_port = env_p;
  }

{
	int	cac;
	char	*const*cav;

	BOOL	version = FALSE;
	BOOL	help = FALSE;
	char	*channels = NULL;
	int	irate = -1;
	char	*divider = NULL;
	char	*trackspec = NULL;
	char	*duration = NULL;

	char	*oendianess = NULL;
	char	*cendianess = NULL;
	int	cddbp = -1;
	BOOL	stereo = FALSE;
	BOOL	mono = FALSE;
	BOOL	domax = FALSE;
	BOOL	dump_rates = FALSE;
	int	userverbose = -1;
	long	paraopts = 0;

	cac = argc;
	cav = argv;
	cac--;
	cav++;
	if (getargs(&cac, &cav, opts
			, &global.paranoia_selected
			, handle_paranoia_opts, &paraopts
			, &version
			, &help, &help

			, &global.no_file, &global.no_file
			, &dump_rates, &dump_rates
			, &bulk, &bulk, &bulk
			, &global.scsi_verbose, &global.scsi_verbose

			, &global.findminmax, &global.findminmax
			, &global.findmono, &global.findmono
			, &global.no_infofile, &global.no_infofile

			, &global.deemphasize, &global.deemphasize
			, &global.just_the_toc, &global.just_the_toc
			, &global.scsi_silent, &global.scsi_silent

			, &global.cddbp_server, &global.cddbp_port
			, &global.scanbus
			, &global.scandevs
			, &global.dev_name, &global.dev_name, &global.dev_name
			, &global.aux_name, &global.aux_name
			, &int_name, &int_name
			, &audio_type, &audio_type

			, &oendianess, &oendianess
			, &cendianess, &cendianess
			, &global.userspeed, &global.userspeed

			, &global.playback_rate, &global.playback_rate
			, &global.md5blocksize, &global.md5blocksize
			, &global.useroverlap, &global.useroverlap
			, &user_sound_device, &user_sound_device

			, &cddbp, &cddbp
			, &channels, &channels
			, &bits, &bits
			, &irate, &irate
			, &global.gui, &global.gui

			, &divider, &divider
			, &trackspec, &trackspec
			, &cd_index, &cd_index
			, &duration, &duration
			, &sector_offset, &sector_offset

			, &global.nsectors, &global.nsectors
			, handle_verbose_opts, &userverbose
			, handle_verbose_opts, &userverbose
			, &global.buffers, &global.buffers

			, &stereo, &stereo
			, &mono, &mono
			, &waitforsignal, &waitforsignal
			, &global.echo, &global.echo
			, &global.quiet, &global.quiet
			, &domax, &domax

			) < 0) {
		errmsgno(EX_BAD, "Bad Option: %s.\n", cav[0]);
		fputs ("use 'icedax -help' to get more information.\n", stderr);
		exit (SYNTAX_ERROR);
	}
	if (getfiles(&cac, &cav, opts) == 0)
		/* No more file type arguments */;
	moreargs = cav - argv;
	if (version) {
     fprintf(stderr, "icedax " CDRKIT_VERSION "\n");
     exit(EXIT_SUCCESS);
  }
	if (help) {
		usage();
	}
	if (!global.scanbus)
		cdr_defaults(&global.dev_name, NULL, NULL, NULL); 
	if (dump_rates) {	/* list available rates */
		int ii;

		fputs("\
Available rates are:\n\
Rate   Divider      Rate   Divider      Rate   Divider      Rate   Divider\n\
"			, stderr );
		for (ii = 1; ii <= 44100 / 880 / 2; ii++) {
			long i2 = ii;
			fprintf(stderr, "%7.1f  %2ld         %7.1f  %2ld.5       ",
	        		44100.0/i2, i2, 44100.0/(i2+0.5), i2);
			i2 += 25;
			fprintf(stderr, "%7.1f  %2ld         %7.1f  %2ld.5\n",
        			44100.0/i2, i2, 44100.0/(i2+0.5), i2);
			i2 -= 25;
		}
		exit(NO_ERROR);
	}
	if (channels) {
		if (*channels == 's') {
			global.channels = 2;
			global.swapchannels = 1;
		} else {
			global.channels = strtol(channels, NULL, 10);
		}
	}
	if (irate >= 0) {
		rate = irate;
	}
	if (divider) {
		double divider_d;
		divider_d = strtod(divider , NULL);
		if (divider_d > 0.0) {
			rate = 44100.0 / divider_d;
		} else {
			fputs("E option -divider requires a nonzero, positive argument.\nSee -dump-rates.", stderr);
			exit(SYNTAX_ERROR);
		}
	}
	if (trackspec) {
		char * endptr;
		char * endptr2;
		track = strtoul(trackspec, &endptr, 10 );
		endtrack = strtoul(endptr, &endptr2, 10 );
		if (endptr2 == endptr) {
			endtrack = track;
		} else if (track == endtrack) {
			bulk = -1;
		}
	}
	if (duration) {
		char *end_ptr = NULL;
		rectime = strtod(duration, &end_ptr );
		if (*end_ptr == 'f') {
			rectime = rectime / 75.0;
			/* TODO: add an absolute end of recording. */
#if	0
		} else if (*end_ptr == 'F') {
			rectime = rectime / 75.0;
#endif
		} else if (*end_ptr != '\0') {
			rectime = -1.0;
		}
	}
	if (oendianess) {
		if (strcasecmp(oendianess, "little") == 0) {
			global.outputendianess = LITTLE;
		} else if (strcasecmp(oendianess, "big") == 0) {
			global.outputendianess = BIG;
		} else {
			usage2("wrong parameter '%s' for option -E", oendianess);
		}
	}
	if (cendianess) {
		if (strcasecmp(cendianess, "little") == 0) {
			littleendian = 1;
		} else if (strcasecmp(cendianess, "big") == 0) {
			littleendian = 0;
		} else if (strcasecmp(cendianess, "guess") == 0) {
			littleendian = -2;
		} else {
			usage2("wrong parameter '%s' for option -C", cendianess);
		}
	}
	if (cddbp >= 0) {
		global.cddbp = 1 + cddbp;
	}
	if (stereo) {
		global.channels = 2;
	}
	if (mono) {
		global.channels = 1;
        	global.need_hostorder = 1;
	}
	if (global.echo) {
#ifdef	ECHO_TO_SOUNDCARD
		if (global.playback_rate != 100) {
		        RestrictPlaybackRate( global.playback_rate );
		}
       		global.need_hostorder = 1;
#else
		fprintf(stderr, "There is no sound support compiled into %s.\n",argv[0]);
		global.echo = 0;
#endif
	}
	if (global.quiet) {
		global.verbose = 0;
	}
	if (domax) {
		global.channels = 2; bits = 16; rate = 44100;
	}
	if (global.findminmax) {
	        global.need_hostorder = 1;
	}
	if (global.deemphasize) {
	        global.need_hostorder = 1;
	}
	if (global.just_the_toc) {
		global.verbose = SHOW_MAX;
		bulk = 1;
	}
	if (global.gui) {
#ifdef	Thomas_will_es
		global.no_file = 1;
		global.no_infofile = 1;
		global.verbose = SHOW_MAX;
#endif
		global.no_cddbfile = 1;
	}
	if (global.no_file) {
		global.no_infofile = 1;
		global.no_cddbfile = 1;
	}
	if (global.no_infofile) {
		global.no_cddbfile = 1;
	}
	if (global.md5blocksize) {
#ifdef	MD5_SIGNATURES
		fputs("MD5 signatures are currently broken! Sorry\n", stderr);
#else
		fputs("MD5 signatures are currently broken! Sorry\n", stderr);
#endif
	}
	if (user_sound_device) {
#ifndef	ECHO_TO_SOUNDCARD
		fputs("There is no sound support configured!\n", stderr);
#endif
	}
	if (global.paranoia_selected) {
		global.useroverlap = 0;
	}
	if (userverbose >= 0) {
		global.verbose = userverbose;
	}
}

  /* check all parameters */
  if (global.buffers < 1) {
    usage2("Incorrect buffer setting: %d", global.buffers);
  }

  if (global.nsectors < 1) {
    usage2("Incorrect nsectors setting: %d", global.nsectors);
  }

  if (global.verbose < 0 || global.verbose > SHOW_MAX) {
    usage2("Incorrect verbose level setting: %d",global.verbose);
  }
  if (global.verbose == 0) global.quiet = 1;

  if ( rectime < 0.0 ) {
    usage2("Incorrect recording time setting: %d.%02d",
			(int)rectime, (int)(rectime*100+0.5) % 100);
  }

  if ( global.channels != 1 && global.channels != 2 ) {
    usage2("Incorrect channel setting: %d",global.channels);
  }

  if ( bits != 8 && bits != 12 && bits != 16 ) {
    usage2("Incorrect bits_per_sample setting: %d",bits);
  }

  if ( rate < 827.0 || rate > 44100.0 ) {
    usage2("Incorrect sample rate setting: %d.%02d",
	(int)rate, ((int)rate*100) % 100);
  }

  int_part = (double)(long) (2*44100.0 / rate);
  
  if (2*44100.0 / rate - int_part >= 0.5 ) {
      int_part += 1.0;
      fprintf( stderr, "Nearest available sample rate is %d.%02d Hertz\n",
	      2*44100 / (int)int_part,
	      (2*4410000 / (int)int_part) % 100);
  }
  Halved = ((int) int_part) & 1;
  rate = 2*44100.0 / int_part;
  undersampling = (int) int_part / 2.0;
  samples_to_do = undersampling;

  if (!strcmp((char *)int_name,"generic_scsi"))
      interface = GENERIC_SCSI;
  else if (!strcmp((char *)int_name,"cooked_ioctl"))
      interface = COOKED_IOCTL;
  else  {
    usage2("Incorrect interface setting: %s",int_name);
  }

  /* check * init audio file */
  if (!strncmp(audio_type,"wav",3)) {
    global.audio_out = &wavsound;
  } else if (!strncmp(audio_type, "sun", 3) || !strncmp(audio_type, "au", 2)) {
    /* Enhanced compatibility */
    audio_type = "au";
    global.audio_out = &sunsound;
  } else if (!strncmp(audio_type, "cdr", 3) || 
             !strncmp(audio_type, "raw", 3)) {
    global.audio_out = &rawsound;
  } else if (!strncmp(audio_type, "aiff", 4)) {
    global.audio_out = &aiffsound;
  } else if (!strncmp(audio_type, "aifc", 4)) {
    global.audio_out = &aifcsound;
#ifdef USE_LAME
  } else if (!strncmp(audio_type, "mp3", 3)) {
    global.audio_out = &mp3sound;
    if (!global.quiet) {
	unsigned char Lame_version[20];

	fetch_lame_version(Lame_version);
	fprintf(stderr, "Using LAME version %s.\n", Lame_version);
    }
    if (bits < 9) {
	bits = 16;
	fprintf(stderr, "Warning: sample size forced to 16 bit for MP3 format.\n");
    }
#endif /* USE_LAME */
  } else {
    usage2("Incorrect audio type setting: %3s", audio_type);
  }

  if (bulk == -1) bulk = 0;

  global.need_big_endian = global.audio_out->need_big_endian;
  if (global.outputendianess != NONE)
    global.need_big_endian = global.outputendianess == BIG;

  if (global.no_file) global.fname_base[0] = '\0';

  if (!bulk) {
    strcat(global.fname_base, ".");
    strcat(global.fname_base, audio_type);
  }

  /* If we need to calculate with samples or write them to a soundcard,
   * we need a conversion to host byte order.
   */ 
  if (global.channels != 2 
      || bits != 16
      || rate != 44100)
	global.need_hostorder = 1;

  /* Bad hack!!
   * Remove for release 2.0
   * this is a bug compatibility feature.
   */
  if (global.gui && global.verbose == SHOW_TOC)
	global.verbose |= SHOW_STARTPOSITIONS | SHOW_SUMMARY | SHOW_TITLES;

  /*
   * all options processed.
   * Now a file name per track may follow 
   */
  argc2 = argc3 = argc - moreargs;
  argv2 = argv + moreargs;
  if ( moreargs < argc ) {
    if (!strcmp(argv[moreargs],"-")) {
#ifdef	NEED_O_BINARY
      setmode(fileno(stdout), O_BINARY);
#endif
      global.audio = dup (fileno(stdout));
      strncpy( global.fname_base, "standard_output", sizeof(global.fname_base) );
      global.fname_base[sizeof(global.fname_base)-1]=0;
    } else if (!is_fifo(argv[moreargs])) {
	/* we do have at least one argument */
	global.multiname = 1;
    }
  }

#define SETSIGHAND(PROC, SIG, SIGNAME) if (signal(SIG, PROC) == SIG_ERR) \
	{ fprintf(stderr, "cannot set signal %s handler\n", SIGNAME); exit(SETSIG_ERROR); }
    SETSIGHAND(exit_wrapper, SIGINT, "SIGINT")
    SETSIGHAND(exit_wrapper, SIGQUIT, "SIGQUIT")
    SETSIGHAND(exit_wrapper, SIGTERM, "SIGTERM")
    SETSIGHAND(exit_wrapper, SIGHUP, "SIGHUP")

    SETSIGHAND(set_nonforked, SIGPIPE, "SIGPIPE")

  /* setup interface and open cdrom device */
  /* request sychronization facilities and shared memory */
  SetupInterface( );

  /* use global.useroverlap to set our overlap */
  if (global.useroverlap != -1)
	global.overlap = global.useroverlap;

  /* check for more valid option combinations */

  if (global.nsectors < 1+global.overlap) {
	fprintf( stderr, "Warning: Setting #nsectors to minimum of %d, due to jitter correction!\n", global.overlap+1);
	  global.nsectors = global.overlap+1;
  }

  if (global.overlap > 0 && global.buffers < 2) {
	fprintf( stderr, "Warning: Setting #buffers to minimum of 2, due to jitter correction!\n");
	  global.buffers = 2;
  }

    /* Value of 'nsectors' must be defined here */

    global.shmsize = 0;
#ifdef	USE_PARANOIA
    while (global.shmsize < sizeof (struct paranoia_statistics))
		global.shmsize += global.pagesize;
#endif
    global.shmsize += 10*global.pagesize;	/* XXX Der Speicherfehler ist nicht in libparanoia sondern in cdda2wav :-( */
    global.shmsize += HEADER_SIZE + ENTRY_SIZE_PAGE_AL * global.buffers;

#if	defined (HAVE_FORK_AND_SHAREDMEM)
	/*
	 * The (void *) cast is to avoid a GCC warning like:
	 * warning: dereferencing type-punned pointer will break strict-aliasing rules
	 * which does not apply to this code. (void *) introduces a compatible
	 * intermediate type in the cast list.
	 */
    he_fill_buffer = request_shm_sem(global.shmsize, (unsigned char **)(void *)&he_fill_buffer);
    if (he_fill_buffer == NULL) {
	fprintf( stderr, "no shared memory available!\n");
	exit(SHMMEM_ERROR);
    }
#else /* do not have fork() and shared memory */
    he_fill_buffer = malloc(global.shmsize);
    if (he_fill_buffer == NULL) {
	fprintf( stderr, "no buffer memory available!\n");
	exit(NOMEM_ERROR);
    }
#endif
#ifdef	USE_PARANOIA
    {
	int	i = 0;

	para_stat = (struct paranoia_statistics *)he_fill_buffer;
	while (i < sizeof (struct paranoia_statistics)) {
			i += global.pagesize;
			he_fill_buffer += global.pagesize;
			global.shmsize -= global.pagesize;
	}
    }
#endif

    if (global.verbose != 0)
   	 fprintf(stderr,
   		 "%u bytes buffer memory requested, %d buffers, %d sectors\n",
   		 global.shmsize, global.buffers, global.nsectors);

    /* initialize pointers into shared memory segment */
    last_buffer = he_fill_buffer + 1;
    total_segments_read = (unsigned long *) (last_buffer + 1);
    total_segments_written = total_segments_read + 1;
    child_waits = (int *) (total_segments_written + 1);
    parent_waits = child_waits + 1;
    in_lendian = parent_waits + 1;
    eorecording = in_lendian + 1;
    *total_segments_read = *total_segments_written = 0;
    nSamplesToDo = (unsigned long *)(eorecording + 1);
    *eorecording = 0;
    *in_lendian = global.in_lendian;

    set_total_buffers(global.buffers, sem_id);


#if defined(HAVE_SEMGET) && defined(USE_SEMAPHORES)
  atexit ( free_sem );
#endif

  /*
   * set input endian default
   */
  if (littleendian != -1)
    *in_lendian = littleendian;

  /* get table of contents */
  cdtracks = ReadToc();
  if (cdtracks == 0) {
    fprintf(stderr, "No track in table of contents! Aborting...\n");
    exit(MEDIA_ERROR);
  }

  calc_cddb_id();
  calc_cdindex_id();

#if	1
  Check_Toc();
#endif

  if (ReadTocText != NULL && FirstAudioTrack () != -1) {
	ReadTocText(get_scsi_p());
	handle_cdtext();
  }
  if ( global.verbose == SHOW_JUSTAUDIOTRACKS ) {
    unsigned int z;

    for (z = 0; z < cdtracks; z++)
	if (Get_Datatrack(z) == 0)
	  printf("%02d\t%06ld\n", Get_Tracknumber(z), Get_AudioStartSector(z));
    exit(NO_ERROR);
  }

  if ( global.verbose != 0 ) {
    fputs( "#icedax version ", stderr );
    fputs( VERSION, stderr );
#if defined USE_POSIX_PRIORITY_SCHEDULING || defined HAVE_SYS_PRIOCNTL_H
    fputs( ", real time sched.", stderr );
#endif
#if defined ECHO_TO_SOUNDCARD
    fputs( ", soundcard", stderr );
#endif
#if defined USE_PARANOIA
    fputs( ", libparanoia", stderr );
#endif
    fputs( " support\n", stderr );
  }

  FixupTOC(cdtracks + 1);

#if	0
  if (!global.paranoia_selected) {
    fprintf(stderr, "NICE\n");
    /* try to get some extra kicks */
    priv_on();
    needroot(0);
#if defined HAVE_SETPRIORITY
    setpriority(PRIO_PROCESS, 0, -20);
#else
# if defined(HAVE_NICE) && (HAVE_NICE == 1)
    nice(-20);
# endif
#endif
    priv_off();
    dontneedroot();
  }
#endif

  /* switch cdrom to audio mode */
  EnableCdda (get_scsi_p(), 1, CD_FRAMESIZE_RAW);

  atexit ( CloseAll );

  DisplayToc();
  if ( FirstAudioTrack () == -1 ) {
    if (no_disguised_audiotracks()) {
      FatalError ( "This disk has no audio tracks\n" );
    }
  }

  Read_MCN_ISRC();

  /* check if start track is in range */
  if ( track < 1 || track > cdtracks ) {
    usage2("Incorrect start track setting: %d",track);
  }

  /* check if end track is in range */
  if ( endtrack < track || endtrack > cdtracks ) {
    usage2("Incorrect end track setting: %ld",endtrack);
  }

  do {
    lSector = Get_AudioStartSector ( track );
    lSector_p1 = Get_EndSector ( track ) + 1;

    if ( lSector < 0 ) {
      if ( bulk == 0 ) {
        FatalError ( "Track %d not found\n", track );
      } else {
        fprintf(stderr, "Skipping data track %d...\n", track);
	if (endtrack == track) endtrack++;
        track++;
      }
    }
  } while (bulk != 0 && track <= cdtracks && lSector < 0);

  if ((global.illleadout_cd == 0 || global.reads_illleadout != 0) && cd_index != -1) {
    if (global.verbose && !global.quiet) {
      global.verbose |= SHOW_INDICES;
    }
    sector_offset += ScanIndices( track, cd_index, bulk );
  } else {
    cd_index = 1;
    if (global.deemphasize || (global.verbose & SHOW_INDICES)) {
      ScanIndices( track, cd_index, bulk );
    }
  }

  lSector += sector_offset;
  /* check against end sector of track */
  if ( lSector >= lSector_p1 ) {
    fprintf(stderr, "W Sector offset %lu exceeds track size (ignored)\n", sector_offset );
    lSector -= sector_offset;
  }

  if ( lSector < 0L ) {
    fputs( "Negative start sector! Set to zero.\n", stderr );
    lSector = 0L;
  }

  lSector_p2 = Get_LastSectorOnCd( track );
  if (bulk == 1 && track == endtrack && rectime == 0.0)
     rectime = 99999.0;
  if ( rectime == 0.0 ) {
    /* set time to track time */
    *nSamplesToDo = (lSector_p1 - lSector) * CD_FRAMESAMPLES;
    rectime = (lSector_p1 - lSector) / 75.0;
    if (CheckTrackrange( track, endtrack) == 1) {
      lSector_p2 = Get_EndSector ( endtrack ) + 1;

      if (lSector_p2 >= 0) {
        rectime = (lSector_p2 - lSector) / 75.0;
        *nSamplesToDo = (long)(rectime*44100.0 + 0.5);
      } else {
        fputs( "End track is no valid audio track (ignored)\n", stderr );
      }
    } else {
      fputs( "Track range does not consist of audio tracks only (ignored)\n", stderr );
    }
  } else {
    /* Prepare the maximum recording duration.
     * It is defined as the biggest amount of
     * adjacent audio sectors beginning with the
     * specified track/index/offset. */

    if ( rectime > (lSector_p2 - lSector) / 75.0 ) {
      rectime = (lSector_p2 - lSector) / 75.0;
      lSector_p1 = lSector_p2;
    }

    /* calculate # of samples to read */
    *nSamplesToDo = (long)(rectime*44100.0 + 0.5);
  }

  global.OutSampleSize = (1+bits/12);
  if (*nSamplesToDo/undersampling == 0L) {
      usage2("Time interval is too short. Choose a duration greater than %d.%02d secs!", 
	       undersampling/44100, (int)(undersampling/44100) % 100);
  }
  if ( moreargs < argc ) {
    if (!strcmp(argv[moreargs],"-") || is_fifo(argv[moreargs])) {
      /*
       * pipe mode
       */
      if (bulk == 1) {
        fprintf(stderr, "W Bulk mode is disabled while outputting to a %spipe\n",
		is_fifo(argv[moreargs]) ? "named " : "");
        bulk = 0;
      }
      global.no_cddbfile = 1;
    }
  }
  if (global.no_infofile == 0) {
    global.no_infofile = 1;
    if (global.channels == 1 || bits != 16 || rate != 44100) {
      fprintf(stderr, "W Sample conversions disable generation of info files!\n");
    } else if (waitforsignal == 1) {
      fprintf(stderr, "W Option -w 'wait for signal' disables generation of info files!\n");
    } else if (sector_offset != 0) {
      fprintf(stderr, "W Using an start offset (option -o) disables generation of info files!\n");
    } else if (!bulk &&
      !((lSector == Get_AudioStartSector(track)) &&
        ((long)(lSector + rectime*75.0 + 0.5) == Get_EndSector(track) + 1))) {
      fprintf(stderr, "W Duration is not set for complete tracks (option -d), this disables generation\n  of info files!\n");
    } else {
      global.no_infofile = 0;
    }
  }

  SamplesToWrite = *nSamplesToDo*2/(int)int_part;

  {
	int first = FirstAudioTrack();
	tracks_included = Get_Track(
	      (unsigned) (lSector + *nSamplesToDo/CD_FRAMESAMPLES -1))
				     - max((int)track,first) +1;
  }

  if (global.multiname != 0 && moreargs + tracks_included > argc) {
	global.multiname = 0;
  }

  if ( !waitforsignal ) {

#ifdef INFOFILES
      if (!global.no_infofile) {
	int i;

	for (i = track; i < (int)track + tracks_included; i++) {
		unsigned minsec, maxsec;
	        char *tmp_fname;

	        /* build next filename */

	        tmp_fname = get_next_name();
	        if (tmp_fname != NULL)
		  strncpy( global.fname_base, tmp_fname, sizeof(global.fname_base)-8 );
 		global.fname_base[sizeof(global.fname_base)-1]=0;
		minsec = max(lSector, Get_AudioStartSector(i));
		maxsec = min(lSector + rectime*75.0 + 0.5, 1+Get_EndSector(i));
		if ((int)minsec == Get_AudioStartSector(i) &&
		    (int)maxsec == 1+Get_EndSector(i)) {
			write_info_file(global.fname_base,i,(maxsec-minsec)*CD_FRAMESAMPLES, bulk && global.multiname == 0);
		} else {
			fprintf(stderr,
				 "Partial length copy for track %d, no info file will be generated for this track!\n", i);
		}
		if (!bulk) break;
	}
	reset_name_iterator();
      }
#endif

  }

  if (global.just_the_toc) exit(NO_ERROR);

#ifdef  ECHO_TO_SOUNDCARD
  if (user_sound_device[0] != '\0') {
      set_snd_device(user_sound_device);
  }
  init_soundcard(rate, bits);
#endif /* ECHO_TO_SOUNDCARD */

  if (global.userspeed > -1)
     global.speed = global.userspeed;

  if (global.speed != 0 && SelectSpeed != NULL) {
     SelectSpeed(get_scsi_p(), global.speed);
  }

  current_track = track;

  if ( !global.no_file ) {
    {
      char *myfname;

      myfname = get_next_name();

      if (myfname != NULL) {
        strncpy( global.fname_base, myfname, sizeof(global.fname_base)-8 );
        global.fname_base[sizeof(global.fname_base)-1]=0;
      }
    }

    /* strip audio_type extension */
    {
      char *cp = global.fname_base;

      cp = strrchr(cp, '.');
      if (cp == NULL) {
	cp = global.fname_base + strlen(global.fname_base);
      }
      *cp = '\0';
    }
    if (bulk && global.multiname == 0) {
      sprintf(fname, "%s_%02u.%s",global.fname_base,current_track,audio_type);
    } else {
      sprintf(fname, "%s.%s",global.fname_base,audio_type);
    }

    OpenAudio( fname, rate, bits, global.channels, 
	      (unsigned)(SamplesToWrite*global.OutSampleSize*global.channels),
		global.audio_out);
  }

  global.Remainder = (75 % global.nsectors)+1;

  global.sh_bits = 16 - bits;		/* shift counter */

  global.iloop = *nSamplesToDo;
  if (Halved && (global.iloop&1))
      global.iloop += 2;

  BeginAtSample = lSector * CD_FRAMESAMPLES;

#if	1
	if ( (global.verbose & SHOW_SUMMARY) && !global.just_the_toc &&
	     (global.reads_illleadout == 0 ||
	      lSector+*nSamplesToDo/CD_FRAMESAMPLES
	       <= (unsigned) Get_AudioStartSector(cdtracks-1))) {

		fprintf(stderr, "samplefile size will be %lu bytes.\n",
			global.audio_out->GetHdrSize() +
			global.audio_out->InSizeToOutSize(SamplesToWrite*global.OutSampleSize*global.channels)  ); 
		fprintf (stderr, "recording %d.%04d seconds %s with %d bits @ %5d.%01d Hz"
			,(int)rectime , (int)(rectime * 10000) % 10000,
			global.channels == 1 ? "mono":"stereo", bits, (int)rate, (int)(rate*10)%10);
		if (!global.no_file && *global.fname_base)
			fprintf(stderr, " ->'%s'...", global.fname_base );
		fputs("\n", stderr);
	}
#endif

#if defined(HAVE_SEMGET) && defined(USE_SEMAPHORES)
#else
	init_pipes();
#endif

#ifdef	USE_PARANOIA
	if (global.paranoia_selected) {
		long paranoia_mode;

		global.cdp = paranoia_init(get_scsi_p(), global.nsectors);

		if (global.paranoia_parms.overlap >= 0) {
			int	overlap = global.paranoia_parms.overlap;

			if (overlap > global.nsectors - 1) 
				overlap = global.nsectors - 1;
			paranoia_overlapset(global.cdp, overlap);
		}
		/*
		 * Default to a  minimum of dynamic overlapping == 0.5 sectors.
		 * If we don't do this, we get the default from libparanoia
		 * which is approx. 0.1.
		 */
		if (global.paranoia_parms.mindynoverlap < 0)
			paranoia_dynoverlapset(global.cdp, CD_FRAMEWORDS/2, -1);
		paranoia_dynoverlapset(global.cdp,
			global.paranoia_parms.mindynoverlap * CD_FRAMEWORDS,
			global.paranoia_parms.maxdynoverlap * CD_FRAMEWORDS);

		paranoia_mode = PARANOIA_MODE_FULL ^ PARANOIA_MODE_NEVERSKIP;

		if (global.paranoia_parms.disable_paranoia) {
			paranoia_mode = PARANOIA_MODE_DISABLE;
		}
		if (global.paranoia_parms.disable_extra_paranoia) {
			paranoia_mode |= PARANOIA_MODE_OVERLAP;
			paranoia_mode &= ~PARANOIA_MODE_VERIFY;
		}
		/* not yet implemented */
		if (global.paranoia_parms.disable_scratch_detect) {
			paranoia_mode &= ~(PARANOIA_MODE_SCRATCH|PARANOIA_MODE_REPAIR);
		}
		/* not yet implemented */
		if (global.paranoia_parms.disable_scratch_repair) {
			paranoia_mode &= ~PARANOIA_MODE_REPAIR;
		}

		paranoia_modeset(global.cdp, paranoia_mode);
		if (global.verbose)
			fprintf(stderr, "using lib paranoia for reading.\n");
		paranoia_seek(global.cdp, lSector, SEEK_SET);
		paranoia_reset();
	}
#endif
#if defined(HAVE_FORK_AND_SHAREDMEM)

	/* Everything is set up. Now fork and let one process read cdda sectors
	   and let the other one store them in a wav file */

	/* forking */
	child_pid = fork();
	if (child_pid > 0 && global.gui > 0 && global.verbose > 0)
		fprintf( stderr, "child pid is %d\n", child_pid);

	/*********************** fork **************************************/
	if (child_pid == 0) {
		/* child WRITER section */

#ifdef	HAVE_AREAS
		/* Under BeOS a fork() with shared memory does not work as
		 * it does under System V Rel. 4. The mapping of the child
		 * works with copy on write semantics, so changes do not propagate
		 * back and forth. The existing mapping has to be deleted
		 * and replaced by an clone without copy on write semantics.
		 * This is done with clone_area(...,B_CLONE_ADDRESS,...).
		 * Thanks to file support.c from the postgreSQL project.
		 */
		area_info inf;
		int32 cook = 0;
		/* iterate over all mappings to find our shared memory mapping. */
		while (get_next_area_info(0, &cook, &inf) == B_OK)
		{
			/* check the name of the mapping. */
			if (!strcmp(inf.name, AREA_NAME))
			{
				void *area_address;
				area_id area_parent;

				/* kill the cow mapping. */
				area_address = inf.address;
				if (B_OK != delete_area(inf.area))
				{
					fprintf(stderr, "delete_area: no valid area.\n");
					exit(SHMMEM_ERROR);
				}
				/* get the parent mapping. */
				area_parent = find_area(inf.name);
				if (area_parent == B_NAME_NOT_FOUND)
				{
					fprintf(stderr, "find_area: no such area name.\n");
					exit(SHMMEM_ERROR);
				}
				/* clone the parent mapping without cow. */
				if (B_OK > clone_area("shm_child", &area_address, B_CLONE_ADDRESS,
					B_READ_AREA | B_WRITE_AREA, area_parent))
				{
					fprintf(stderr,"clone_area failed\n");
					exit(SHMMEM_ERROR);
				}
			}
		}
#endif
#ifdef	__EMX__
		if (DosGetSharedMem(he_fill_buffer, 3)) {
			comerr("DosGetSharedMem() failed.\n");
		}
#endif
		global.have_forked = 1;
		forked_write();
#ifdef	__EMX__
		DosFreeMem(he_fill_buffer);
		_exit(NO_ERROR);
		/* NOTREACHED */
#endif
		exit_wrapper(NO_ERROR);
		/* NOTREACHED */
	} else if (child_pid > 0) {
		/* parent READER section */
    
		global.have_forked = 1;
		switch_to_realtime_priority();

		forked_read();
#ifdef	HAVE_AREAS
		{
			area_id aid;
			aid = find_area(AREA_NAME);
			if (aid < B_OK) {
				comerrno(aid, "find_area() failed.\n");
			}
			delete_area(aid);
		}
#endif
#ifdef	__EMX__
		DosFreeMem(he_fill_buffer);
#endif
		exit_wrapper(NO_ERROR);
		/* NOTREACHED */
	} else
		perror("fork error.");

#endif
	/* version without fork */
	{
		global.have_forked = 0;
#if	0
		if (!global.paranoia_selected) {
			fprintf(stderr, "REAL\n");
			switch_to_realtime_priority();
		}
#endif
		fprintf(stderr, "a nonforking version is running...\n");
		nonforked_loop();
		exit_wrapper(NO_ERROR);
		/* NOTREACHED */
	}
#ifdef	USE_PARANOIA
	if (global.paranoia_selected)
		paranoia_free(global.cdp);
#endif

	return 0;
}