summaryrefslogtreecommitdiffstats
path: root/subreader.c
blob: 63b0ed3efad2477a39362d55329ed3c3dc9616c4 (plain)
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
/*
 * Subtitle reader with format autodetection
 *
 * Written by laaz
 * Some code cleanup & realloc() by A'rpi/ESP-team
 *
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include <sys/types.h>
#include <dirent.h>

#include "config.h"
#include "mp_msg.h"
#include "subreader.h"
#include "stream/stream.h"

#ifdef HAVE_ENCA
#include <enca.h>
#endif

#define ERR ((void *) -1)

#ifdef USE_ICONV
#include <iconv.h>
char *sub_cp=NULL;
#endif
#ifdef USE_FRIBIDI
#include <fribidi/fribidi.h>
char *fribidi_charset = NULL;   ///character set that will be passed to FriBiDi
int flip_hebrew = 1;            ///flip subtitles using fribidi
int fribidi_flip_commas = 0;    ///flip comma when fribidi is used
#endif

extern char* dvdsub_lang;

/* Maximal length of line of a subtitle */
#define LINE_LEN 1000
static float mpsub_position=0;
static float mpsub_multiplier=1.;
static int sub_slacktime = 20000; //20 sec

int sub_no_text_pp=0;   // 1 => do not apply text post-processing
                        // like {\...} elimination in SSA format.

int sub_match_fuzziness=0; // level of sub name matching fuzziness

/* Use the SUB_* constant defined in the header file */
int sub_format=SUB_INVALID;
#ifdef USE_SORTSUB
/* 
   Some subtitling formats, namely AQT and Subrip09, define the end of a
   subtitle as the beginning of the following. Since currently we read one
   subtitle at time, for these format we keep two global *subtitle,
   previous_aqt_sub and previous_subrip09_sub, pointing to previous subtitle,
   so we can change its end when we read current subtitle starting time.
   When USE_SORTSUB is defined, we use a single global unsigned long, 
   previous_sub_end, for both (and even future) formats, to store the end of
   the previous sub: it is initialized to 0 in sub_read_file and eventually
   modified by sub_read_aqt_line or sub_read_subrip09_line.
 */
unsigned long previous_sub_end;
#endif

static int eol(char p) {
	return (p=='\r' || p=='\n' || p=='\0');
}

/* Remove leading and trailing space */
static void trail_space(char *s) {
	int i = 0;
	while (isspace(s[i])) ++i;
	if (i) strcpy(s, s + i);
	i = strlen(s) - 1;
	while (i > 0 && isspace(s[i])) s[i--] = '\0';
}

static char *stristr(const char *haystack, const char *needle) {
    int len = 0;
    const char *p = haystack;

    if (!(haystack && needle)) return NULL;

    len=strlen(needle);
    while (*p != '\0') {
	if (strncasecmp(p, needle, len) == 0) return (char*)p;
	p++;
    }

    return NULL;
}

static subtitle *sub_read_line_sami(stream_t* st, subtitle *current) {
    static char line[LINE_LEN+1];
    static char *s = NULL, *slacktime_s;
    char text[LINE_LEN+1], *p=NULL, *q;
    int state;

    current->lines = current->start = current->end = 0;
    current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
    state = 0;

    /* read the first line */
    if (!s)
	    if (!(s = stream_read_line(st, line, LINE_LEN))) return 0;

    do {
	switch (state) {

	case 0: /* find "START=" or "Slacktime:" */
	    slacktime_s = stristr (s, "Slacktime:");
	    if (slacktime_s) 
                sub_slacktime = strtol (slacktime_s+10, NULL, 0) / 10;

	    s = stristr (s, "Start=");
	    if (s) {
		current->start = strtol (s + 6, &s, 0) / 10;
                /* eat '>' */
                for (; *s != '>' && *s != '\0'; s++);
                s++;
		state = 1; continue;
	    }
	    break;
 
	case 1: /* find (optionnal) "<P", skip other TAGs */
	    for  (; *s == ' ' || *s == '\t'; s++); /* strip blanks, if any */
	    if (*s == '\0') break;
	    if (*s != '<') { state = 3; p = text; continue; } /* not a TAG */
	    s++;
	    if (*s == 'P' || *s == 'p') { s++; state = 2; continue; } /* found '<P' */
	    for (; *s != '>' && *s != '\0'; s++); /* skip remains of non-<P> TAG */
	    if (s == '\0')
	      break;
	    s++;
	    continue;
 
	case 2: /* find ">" */
	    if ((s = strchr (s, '>'))) { s++; state = 3; p = text; continue; }
	    break;
 
	case 3: /* get all text until '<' appears */
	    if (*s == '\0') break;
	    else if (!strncasecmp (s, "<br>", 4)) {
		*p = '\0'; p = text; trail_space (text);
		if (text[0] != '\0')
		    current->text[current->lines++] = strdup (text);
		s += 4;
	    }
	    else if ((*s == '{') && !sub_no_text_pp) { state = 5; ++s; continue; }
	    else if (*s == '<') { state = 4; }
	    else if (!strncasecmp (s, "&nbsp;", 6)) { *p++ = ' '; s += 6; }
	    else if (*s == '\t') { *p++ = ' '; s++; }
	    else if (*s == '\r' || *s == '\n') { s++; }
	    else *p++ = *s++;

	    /* skip duplicated space */
	    if (p > text + 2) if (*(p-1) == ' ' && *(p-2) == ' ') p--;
	    
	    continue;

	case 4: /* get current->end or skip <TAG> */
	    q = stristr (s, "Start=");
	    if (q) {
		current->end = strtol (q + 6, &q, 0) / 10 - 1;
		*p = '\0'; trail_space (text);
		if (text[0] != '\0')
		    current->text[current->lines++] = strdup (text);
		if (current->lines > 0) { state = 99; break; }
		state = 0; continue;
	    }
	    s = strchr (s, '>');
	    if (s) { s++; state = 3; continue; }
	    break;
       case 5: /* get rid of {...} text, but read the alignment code */
	    if ((*s == '\\') && (*(s + 1) == 'a') && !sub_no_text_pp) {
               if (stristr(s, "\\a1") != NULL) {
                   current->alignment = SUB_ALIGNMENT_BOTTOMLEFT;
                   s = s + 3;
               }
               if (stristr(s, "\\a2") != NULL) {
                   current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
                   s = s + 3;
               } else if (stristr(s, "\\a3") != NULL) {
                   current->alignment = SUB_ALIGNMENT_BOTTOMRIGHT;
                   s = s + 3;
               } else if ((stristr(s, "\\a4") != NULL) || (stristr(s, "\\a5") != NULL) || (stristr(s, "\\a8") != NULL)) {
                   current->alignment = SUB_ALIGNMENT_TOPLEFT;
                   s = s + 3;
               } else if (stristr(s, "\\a6") != NULL) {
                   current->alignment = SUB_ALIGNMENT_TOPCENTER;
                   s = s + 3;
               } else if (stristr(s, "\\a7") != NULL) {
                   current->alignment = SUB_ALIGNMENT_TOPRIGHT;
                   s = s + 3;
               } else if (stristr(s, "\\a9") != NULL) {
                   current->alignment = SUB_ALIGNMENT_MIDDLELEFT;
                   s = s + 3;
               } else if (stristr(s, "\\a10") != NULL) {
                   current->alignment = SUB_ALIGNMENT_MIDDLECENTER;
                   s = s + 4;
               } else if (stristr(s, "\\a11") != NULL) {
                   current->alignment = SUB_ALIGNMENT_MIDDLERIGHT;
                   s = s + 4;
               }
	    }
	    if (*s == '}') state = 3;
	    ++s;
	    continue;
	}

	/* read next line */
	if (state != 99 && !(s = stream_read_line (st, line, LINE_LEN))) {
	    if (current->start > 0) {
		break; // if it is the last subtitle
	    } else {
		return 0;
	    }
	}
	    
    } while (state != 99);

    // For the last subtitle
    if (current->end <= 0) {
        current->end = current->start + sub_slacktime;
	*p = '\0'; trail_space (text);
	if (text[0] != '\0')
	    current->text[current->lines++] = strdup (text);
    }
    
    return current;
}


static char *sub_readtext(char *source, char **dest) {
    int len=0;
    char *p=source;
    
//    printf("src=%p  dest=%p  \n",source,dest);

    while ( !eol(*p) && *p!= '|' ) {
	p++,len++;
    }
    
    *dest= malloc (len+1);
    if (!dest) {return ERR;}
    
    strncpy(*dest, source, len);
    (*dest)[len]=0;
    
    while (*p=='\r' || *p=='\n' || *p=='|') p++;
    
    if (*p) return p;  // not-last text field
    else return NULL;  // last text field
}

static subtitle *sub_read_line_microdvd(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    char line2[LINE_LEN+1];
    char *p, *next;
    int i;

    do {
	if (!stream_read_line (st, line, LINE_LEN)) return NULL;
    } while ((sscanf (line,
		      "{%ld}{}%[^\r\n]",
		      &(current->start), line2) < 2) &&
	     (sscanf (line,
		      "{%ld}{%ld}%[^\r\n]",
		      &(current->start), &(current->end), line2) < 3));
	
    p=line2;

    next=p, i=0;
    while ((next =sub_readtext (next, &(current->text[i])))) {
        if (current->text[i]==ERR) {return ERR;}
	i++;
	if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
    }
    current->lines= ++i;

    return current;
}

static subtitle *sub_read_line_mpl2(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    char line2[LINE_LEN+1];
    char *p, *next;
    int i;

    do {
	if (!stream_read_line (st, line, LINE_LEN)) return NULL;
    } while ((sscanf (line,
		      "[%ld][%ld]%[^\r\n]",
		      &(current->start), &(current->end), line2) < 3));
    current->start *= 10;
    current->end *= 10;
    p=line2;

    next=p, i=0;
    while ((next =sub_readtext (next, &(current->text[i])))) {
        if (current->text[i]==ERR) {return ERR;}
	i++;
	if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
    }
    current->lines= ++i;

    return current;
}

static subtitle *sub_read_line_subrip(stream_t* st, subtitle *current) {
    char line[LINE_LEN+1];
    int a1,a2,a3,a4,b1,b2,b3,b4;
    char *p=NULL, *q=NULL;
    int len;
    
    while (1) {
	if (!stream_read_line (st, line, LINE_LEN)) return NULL;
	if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4) < 8) continue;
	current->start = a1*360000+a2*6000+a3*100+a4;
	current->end   = b1*360000+b2*6000+b3*100+b4;

	if (!stream_read_line (st, line, LINE_LEN)) return NULL;

	p=q=line;
	for (current->lines=1; current->lines < SUB_MAX_TEXT; current->lines++) {
	    for (q=p,len=0; *p && *p!='\r' && *p!='\n' && *p!='|' && strncmp(p,"[br]",4); p++,len++);
	    current->text[current->lines-1]=malloc (len+1);
	    if (!current->text[current->lines-1]) return ERR;
	    strncpy (current->text[current->lines-1], q, len);
	    current->text[current->lines-1][len]='\0';
	    if (!*p || *p=='\r' || *p=='\n') break;
	    if (*p=='|') p++;
	    else while (*p++!=']');
	}
	break;
    }
    return current;
}

static subtitle *sub_read_line_subviewer(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    int a1,a2,a3,a4,b1,b2,b3,b4;
    char *p=NULL;
    int i,len;
    
    while (!current->text[0]) {
	if (!stream_read_line (st, line, LINE_LEN)) return NULL;
	if ((len=sscanf (line, "%d:%d:%d%[,.:]%d --> %d:%d:%d%[,.:]%d",&a1,&a2,&a3,(char *)&i,&a4,&b1,&b2,&b3,(char *)&i,&b4)) < 10)
	    continue;
	current->start = a1*360000+a2*6000+a3*100+a4/10;
	current->end   = b1*360000+b2*6000+b3*100+b4/10;
	for (i=0; i<SUB_MAX_TEXT;) {
	    int blank = 1;
	    if (!stream_read_line (st, line, LINE_LEN)) break;
	    len=0;
	    for (p=line; *p!='\n' && *p!='\r' && *p; p++,len++)
		if (*p != ' ' && *p != '\t')
		    blank = 0;
	    if (len && !blank) {
                int j=0,skip=0;
		char *curptr=current->text[i]=malloc (len+1);
		if (!current->text[i]) return ERR;
		//strncpy (current->text[i], line, len); current->text[i][len]='\0';
                for(; j<len; j++) {
		    /* let's filter html tags ::atmos */
		    if(line[j]=='>') {
			skip=0;
			continue;
		    }
		    if(line[j]=='<') {
			skip=1;
			continue;
		    }
		    if(skip) {
			continue;
		    }
		    *curptr=line[j];
		    curptr++;
		}
		*curptr='\0';

		i++;
	    } else {
		break;
	    }
	}
	current->lines=i;
    }
    return current;
}

static subtitle *sub_read_line_subviewer2(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    int a1,a2,a3,a4;
    char *p=NULL;
    int i,len;
   
    while (!current->text[0]) {
        if (!stream_read_line (st, line, LINE_LEN)) return NULL;
	if (line[0]!='{')
	    continue;
        if ((len=sscanf (line, "{T %d:%d:%d:%d",&a1,&a2,&a3,&a4)) < 4)
            continue;
        current->start = a1*360000+a2*6000+a3*100+a4/10;
        for (i=0; i<SUB_MAX_TEXT;) {
            if (!stream_read_line (st, line, LINE_LEN)) break;
            if (line[0]=='}') break;
            len=0;
            for (p=line; *p!='\n' && *p!='\r' && *p; ++p,++len);
            if (len) {
                current->text[i]=malloc (len+1);
                if (!current->text[i]) return ERR;
                strncpy (current->text[i], line, len); current->text[i][len]='\0';
                ++i;
            } else {
                break;
            }
        }
        current->lines=i;
    }
    return current;
}


static subtitle *sub_read_line_vplayer(stream_t *st,subtitle *current) {
	char line[LINE_LEN+1];
	int a1,a2,a3;
	char *p=NULL, *next,separator;
	int i,len,plen;

	while (!current->text[0]) {
		if (!stream_read_line (st, line, LINE_LEN)) return NULL;
		if ((len=sscanf (line, "%d:%d:%d%c%n",&a1,&a2,&a3,&separator,&plen)) < 4)
			continue;
		
		if (!(current->start = a1*360000+a2*6000+a3*100))
			continue;
                /* removed by wodzu
		p=line;	
 		// finds the body of the subtitle
 		for (i=0; i<3; i++){              
		   p=strchr(p,':');
		   if (p==NULL) break;
		   ++p;
		} 
		if (p==NULL) {
		    printf("SUB: Skipping incorrect subtitle line!\n");
		    continue;
		}
                */
                // by wodzu: hey! this time we know what length it has! what is
                // that magic for? it can't deal with space instead of third
                // colon! look, what simple it can be:
                p = &line[ plen ];

 		i=0;
		if (*p!='|') {
			//
			next = p,i=0;
			while ((next =sub_readtext (next, &(current->text[i])))) {
				if (current->text[i]==ERR) {return ERR;}
				i++;
				if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
			}
			current->lines=i+1;
		}
	}
	return current;
}

static subtitle *sub_read_line_rt(stream_t *st,subtitle *current) {
	//TODO: This format uses quite rich (sub/super)set of xhtml 
	// I couldn't check it since DTD is not included.
	// WARNING: full XML parses can be required for proper parsing 
    char line[LINE_LEN+1];
    int a1,a2,a3,a4,b1,b2,b3,b4;
    char *p=NULL,*next=NULL;
    int i,len,plen;
    
    while (!current->text[0]) {
	if (!stream_read_line (st, line, LINE_LEN)) return NULL;
	//TODO: it seems that format of time is not easily determined, it may be 1:12, 1:12.0 or 0:1:12.0
	//to describe the same moment in time. Maybe there are even more formats in use.
	//if ((len=sscanf (line, "<Time Begin=\"%d:%d:%d.%d\" End=\"%d:%d:%d.%d\"",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4)) < 8)
	plen=a1=a2=a3=a4=b1=b2=b3=b4=0;
	if (
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\" %*[Ee]nd=\"%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&b3,&b4,&plen)) < 4) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&b2,&b3,&b4,&plen)) < 5) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&plen)) < 4) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&b4,&plen)) < 5) &&
//	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&plen)) < 5) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&b4,&plen)) < 6) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d:%d.%d\" %*[Ee]nd=\"%d:%d:%d.%d\"%*[^<]<clear/>%n",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4,&plen)) < 8) &&
	//now try it without end time
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&plen)) < 2) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&plen)) < 2) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&plen)) < 3) &&
	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d:%d.%d\"%*[^<]<clear/>%n",&a1,&a2,&a3,&a4,&plen)) < 4) 
	)
	    continue;
	current->start = a1*360000+a2*6000+a3*100+a4/10;
	current->end   = b1*360000+b2*6000+b3*100+b4/10;
	if (b1 == 0 && b2 == 0 && b3 == 0 && b4 == 0)
	  current->end = current->start+200;
	p=line;	p+=plen;i=0;
	// TODO: I don't know what kind of convention is here for marking multiline subs, maybe <br/> like in xml?
	next = strstr(line,"<clear/>");
	if(next && strlen(next)>8){
	  next+=8;i=0;
	  while ((next =sub_readtext (next, &(current->text[i])))) {
		if (current->text[i]==ERR) {return ERR;}
		i++;
		if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
	  }
	}
			current->lines=i+1;
    }
    return current;
}

static subtitle *sub_read_line_ssa(stream_t *st,subtitle *current) {
/*
 * Sub Station Alpha v4 (and v2?) scripts have 9 commas before subtitle
 * other Sub Station Alpha scripts have only 8 commas before subtitle
 * Reading the "ScriptType:" field is not reliable since many scripts appear
 * w/o it
 *
 * http://www.scriptclub.org is a good place to find more examples
 * http://www.eswat.demon.co.uk is where the SSA specs can be found
 */
        int comma;
        static int max_comma = 32; /* let's use 32 for the case that the */
                    /*  amount of commas increase with newer SSA versions */

	int hour1, min1, sec1, hunsec1,
	    hour2, min2, sec2, hunsec2, nothing;
	int num;
	
	char line[LINE_LEN+1],
	     line3[LINE_LEN+1],
	     *line2;
	char *tmp;

	do {
		if (!stream_read_line (st, line, LINE_LEN)) return NULL;
	} while (sscanf (line, "Dialogue: Marked=%d,%d:%d:%d.%d,%d:%d:%d.%d,"
			"%[^\n\r]", &nothing,
			&hour1, &min1, &sec1, &hunsec1, 
			&hour2, &min2, &sec2, &hunsec2,
			line3) < 9
		 &&
		 sscanf (line, "Dialogue: %d,%d:%d:%d.%d,%d:%d:%d.%d,"
			 "%[^\n\r]", &nothing,
			 &hour1, &min1, &sec1, &hunsec1, 
			 &hour2, &min2, &sec2, &hunsec2,
			 line3) < 9	    );

        line2=strchr(line3, ',');

        for (comma = 4; comma < max_comma; comma ++)
          {
            tmp = line2;
            if(!(tmp=strchr(++tmp, ','))) break;
            if(*(++tmp) == ' ') break; 
                  /* a space after a comma means we're already in a sentence */
            line2 = tmp;
          }

        if(comma < max_comma)max_comma = comma;
	/* eliminate the trailing comma */
	if(*line2 == ',') line2++;

	current->lines=0;num=0;
	current->start = 360000*hour1 + 6000*min1 + 100*sec1 + hunsec1;
	current->end   = 360000*hour2 + 6000*min2 + 100*sec2 + hunsec2;
	
        while (((tmp=strstr(line2, "\\n")) != NULL) || ((tmp=strstr(line2, "\\N")) != NULL) ){
		current->text[num]=malloc(tmp-line2+1);
		strncpy (current->text[num], line2, tmp-line2);
		current->text[num][tmp-line2]='\0';
		line2=tmp+2;
		num++;
		current->lines++;
		if (current->lines >=  SUB_MAX_TEXT) return current;
	}

	current->text[num]=strdup(line2);
	current->lines++;

	return current;
}

static void sub_pp_ssa(subtitle *sub) {
	int l=sub->lines;
	char *so,*de,*start;

	while (l){
            	/* eliminate any text enclosed with {}, they are font and color settings */
            	so=de=sub->text[--l];
            	while (*so) {
            		if(*so == '{' && so[1]=='\\') {
            			for (start=so; *so && *so!='}'; so++);
            			if(*so) so++; else so=start;
            		}
            		if(*so) {
            			*de=*so;
            			so++; de++;
            		}
            	}
            	*de=*so;
        }
}

/*
 * PJS subtitles reader.
 * That's the "Phoenix Japanimation Society" format.
 * I found some of them in http://www.scriptsclub.org/ (used for anime).
 * The time is in tenths of second.
 *
 * by set, based on code by szabi (dunnowhat sub format ;-)
 */
static subtitle *sub_read_line_pjs(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    char text[LINE_LEN+1], *s, *d;

    if (!stream_read_line (st, line, LINE_LEN))
	return NULL;
    /* skip spaces */
    for (s=line; *s && isspace(*s); s++);
    /* allow empty lines at the end of the file */
    if (*s==0)
	return NULL;
    /* get the time */
    if (sscanf (s, "%ld,%ld,", &(current->start),
		&(current->end)) <2) {
	return ERR;
    }
    /* the files I have are in tenths of second */
    current->start *= 10;
    current->end *= 10;
    /* walk to the beggining of the string */
    for (; *s; s++) if (*s==',') break;
    if (*s) {
	for (s++; *s; s++) if (*s==',') break;
	if (*s) s++;
    }
    if (*s!='"') {
	return ERR;
    }
    /* copy the string to the text buffer */
    for (s++, d=text; *s && *s!='"'; s++, d++)
	*d=*s;
    *d=0;
    current->text[0] = strdup(text);
    current->lines = 1;

    return current;
}

static subtitle *sub_read_line_mpsub(stream_t *st, subtitle *current) {
	char line[LINE_LEN+1];
	float a,b;
	int num=0;
	char *p, *q;

	do
	{
		if (!stream_read_line(st, line, LINE_LEN)) return NULL;
	} while (sscanf (line, "%f %f", &a, &b) !=2);

	mpsub_position += a*mpsub_multiplier; 
	current->start=(int) mpsub_position;
	mpsub_position += b*mpsub_multiplier; 
	current->end=(int) mpsub_position;

	while (num < SUB_MAX_TEXT) {
		if (!stream_read_line (st, line, LINE_LEN)) {
			if (num == 0) return NULL;
			else return current;
		}
		p=line;
		while (isspace(*p)) p++;
		if (eol(*p) && num > 0) return current;
		if (eol(*p)) return NULL;

		for (q=p; !eol(*q); q++);
		*q='\0';
		if (strlen(p)) {
			current->text[num]=strdup(p);
//			printf (">%s<\n",p);
			current->lines = ++num;
		} else {
			if (num) return current;
			else return NULL;
		}
	}
	return NULL; // we should have returned before if it's OK
}

#ifndef USE_SORTSUB
//we don't need this if we use previous_sub_end
subtitle *previous_aqt_sub = NULL;
#endif

static subtitle *sub_read_line_aqt(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    char *next;
    int i;

    while (1) {
    // try to locate next subtitle
        if (!stream_read_line (st, line, LINE_LEN))
		return NULL;
        if (!(sscanf (line, "-->> %ld", &(current->start)) <1))
		break;
    }
    
#ifdef USE_SORTSUB
    previous_sub_end = (current->start) ? current->start - 1 : 0; 
#else
    if (previous_aqt_sub != NULL) 
	previous_aqt_sub->end = current->start-1;
    
    previous_aqt_sub = current;
#endif

    if (!stream_read_line (st, line, LINE_LEN))
	return NULL;

    sub_readtext((char *) &line,&current->text[0]);
    current->lines = 1;
    current->end = current->start; // will be corrected by next subtitle

    if (!stream_read_line (st, line, LINE_LEN))
	return current;

    next = line,i=1;
    while ((next =sub_readtext (next, &(current->text[i])))) {
	if (current->text[i]==ERR) {return ERR;}
	i++;
	if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
	}
    current->lines=i+1;

    if (!strlen(current->text[0]) && !strlen(current->text[1])) {
#ifdef USE_SORTSUB
	previous_sub_end = 0;
#else
	// void subtitle -> end of previous marked and exit
	previous_aqt_sub = NULL;
#endif	
	return NULL;
	}

    return current;
}

#ifndef USE_SORTSUB
subtitle *previous_subrip09_sub = NULL;
#endif

static subtitle *sub_read_line_subrip09(stream_t *st,subtitle *current) {
    char line[LINE_LEN+1];
    int a1,a2,a3;
    char * next=NULL;
    int i,len;
   
    while (1) {
    // try to locate next subtitle
        if (!stream_read_line (st, line, LINE_LEN))
		return NULL;
        if (!((len=sscanf (line, "[%d:%d:%d]",&a1,&a2,&a3)) < 3))
		break;
    }

    current->start = a1*360000+a2*6000+a3*100;
    
#ifdef USE_SORTSUB
    previous_sub_end = (current->start) ? current->start - 1 : 0; 
#else
    if (previous_subrip09_sub != NULL) 
	previous_subrip09_sub->end = current->start-1;
    
    previous_subrip09_sub = current;
#endif

    if (!stream_read_line (st, line, LINE_LEN))
	return NULL;

    next = line,i=0;
    
    current->text[0]=""; // just to be sure that string is clear
    
    while ((next =sub_readtext (next, &(current->text[i])))) {
	if (current->text[i]==ERR) {return ERR;}
	i++;
	if (i>=SUB_MAX_TEXT) { mp_msg(MSGT_SUBREADER,MSGL_WARN,"Too many lines in a subtitle\n");current->lines=i;return current;}
	}
    current->lines=i+1;

    if (!strlen(current->text[0]) && (i==0)) {
#ifdef USE_SORTSUB
	previous_sub_end = 0;
#else
	// void subtitle -> end of previous marked and exit
	previous_subrip09_sub = NULL;
#endif	
	return NULL;
	}

    return current;
}

static subtitle *sub_read_line_jacosub(stream_t* st, subtitle * current)
{
    char line1[LINE_LEN], line2[LINE_LEN], directive[LINE_LEN], *p, *q;
    unsigned a1, a2, a3, a4, b1, b2, b3, b4, comment = 0;
    static unsigned jacoTimeres = 30;
    static int jacoShift = 0;

    memset(current, 0, sizeof(subtitle));
    memset(line1, 0, LINE_LEN);
    memset(line2, 0, LINE_LEN);
    memset(directive, 0, LINE_LEN);
    while (!current->text[0]) {
	if (!stream_read_line(st, line1, LINE_LEN)) {
	    return NULL;
	}
	if (sscanf
	    (line1, "%u:%u:%u.%u %u:%u:%u.%u %[^\n\r]", &a1, &a2, &a3, &a4,
	     &b1, &b2, &b3, &b4, line2) < 9) {
	    if (sscanf(line1, "@%u @%u %[^\n\r]", &a4, &b4, line2) < 3) {
		if (line1[0] == '#') {
		    int hours = 0, minutes = 0, seconds, delta, inverter =
			1;
		    unsigned units = jacoShift;
		    switch (toupper(line1[1])) {
		    case 'S':
			if (isalpha(line1[2])) {
			    delta = 6;
			} else {
			    delta = 2;
			}
			if (sscanf(&line1[delta], "%d", &hours)) {
			    if (hours < 0) {
				hours *= -1;
				inverter = -1;
			    }
			    if (sscanf(&line1[delta], "%*d:%d", &minutes)) {
				if (sscanf
				    (&line1[delta], "%*d:%*d:%d",
				     &seconds)) {
				    sscanf(&line1[delta], "%*d:%*d:%*d.%d",
					   &units);
				} else {
				    hours = 0;
				    sscanf(&line1[delta], "%d:%d.%d",
					   &minutes, &seconds, &units);
				    minutes *= inverter;
				}
			    } else {
				hours = minutes = 0;
				sscanf(&line1[delta], "%d.%d", &seconds,
				       &units);
				seconds *= inverter;
			    }
			    jacoShift =
				((hours * 3600 + minutes * 60 +
				  seconds) * jacoTimeres +
				 units) * inverter;
			}
			break;
		    case 'T':
			if (isalpha(line1[2])) {
			    delta = 8;
			} else {
			    delta = 2;
			}
			sscanf(&line1[delta], "%u", &jacoTimeres);
			break;
		    }
		}
		continue;
	    } else {
		current->start =
		    (unsigned long) ((a4 + jacoShift) * 100.0 /
				     jacoTimeres);
		current->end =
		    (unsigned long) ((b4 + jacoShift) * 100.0 /
				     jacoTimeres);
	    }
	} else {
	    current->start =
		(unsigned
		 long) (((a1 * 3600 + a2 * 60 + a3) * jacoTimeres + a4 +
			 jacoShift) * 100.0 / jacoTimeres);
	    current->end =
		(unsigned
		 long) (((b1 * 3600 + b2 * 60 + b3) * jacoTimeres + b4 +
			 jacoShift) * 100.0 / jacoTimeres);
	}
	current->lines = 0;
	p = line2;
	while ((*p == ' ') || (*p == '\t')) {
	    ++p;
	}
	if (isalpha(*p)||*p == '[') {
	    int cont, jLength;

	    if (sscanf(p, "%s %[^\n\r]", directive, line1) < 2)
		return (subtitle *) ERR;
	    jLength = strlen(directive);
	    for (cont = 0; cont < jLength; ++cont) {
		if (isalpha(*(directive + cont)))
		    *(directive + cont) = toupper(*(directive + cont));
	    }
	    if ((strstr(directive, "RDB") != NULL)
		|| (strstr(directive, "RDC") != NULL)
		|| (strstr(directive, "RLB") != NULL)
		|| (strstr(directive, "RLG") != NULL)) {
		continue;
	    }
	    if (strstr(directive, "JL") != NULL) {
		current->alignment = SUB_ALIGNMENT_BOTTOMLEFT;
	    } else if (strstr(directive, "JR") != NULL) {
		current->alignment = SUB_ALIGNMENT_BOTTOMRIGHT;
	    } else {
		current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
	    }
	    strcpy(line2, line1);
	    p = line2;
	}
	for (q = line1; (!eol(*p)) && (current->lines < SUB_MAX_TEXT); ++p) {
	    switch (*p) {
	    case '{':
		comment++;
		break;
	    case '}':
		if (comment) {
		    --comment;
		    //the next line to get rid of a blank after the comment
		    if ((*(p + 1)) == ' ')
			p++;
		}
		break;
	    case '~':
		if (!comment) {
		    *q = ' ';
		    ++q;
		}
		break;
	    case ' ':
	    case '\t':
		if ((*(p + 1) == ' ') || (*(p + 1) == '\t'))
		    break;
		if (!comment) {
		    *q = ' ';
		    ++q;
		}
		break;
	    case '\\':
		if (*(p + 1) == 'n') {
		    *q = '\0';
		    q = line1;
		    current->text[current->lines++] = strdup(line1);
		    ++p;
		    break;
		}
		if ((toupper(*(p + 1)) == 'C')
		    || (toupper(*(p + 1)) == 'F')) {
		    ++p,++p;
		    break;
		}
		if ((*(p + 1) == 'B') || (*(p + 1) == 'b') || (*(p + 1) == 'D') ||	//actually this means "insert current date here"
		    (*(p + 1) == 'I') || (*(p + 1) == 'i') || (*(p + 1) == 'N') || (*(p + 1) == 'T') ||	//actually this means "insert current time here"
		    (*(p + 1) == 'U') || (*(p + 1) == 'u')) {
		    ++p;
		    break;
		}
		if ((*(p + 1) == '\\') ||
		    (*(p + 1) == '~') || (*(p + 1) == '{')) {
		    ++p;
		} else if (eol(*(p + 1))) {
		    if (!stream_read_line(st, directive, LINE_LEN))
			return NULL;
		    trail_space(directive);
		    strncat(line2, directive,
			    (LINE_LEN > 511) ? LINE_LEN : 511);
		    break;
		}
	    default:
		if (!comment) {
		    *q = *p;
		    ++q;
		}
	    }			//-- switch
	}			//-- for
	*q = '\0';
	current->text[current->lines] = strdup(line1);
    }				//-- while
    current->lines++;
    return current;
}

static int sub_autodetect (stream_t* st, int *uses_time) {
    char line[LINE_LEN+1];
    int i,j=0;
    char p;
    
    while (j < 100) {
	j++;
	if (!stream_read_line (st, line, LINE_LEN))
	    return SUB_INVALID;

	if (sscanf (line, "{%d}{%d}", &i, &i)==2)
		{*uses_time=0;return SUB_MICRODVD;}
	if (sscanf (line, "{%d}{}", &i)==1)
		{*uses_time=0;return SUB_MICRODVD;}
	if (sscanf (line, "[%d][%d]", &i, &i)==2)
		{*uses_time=1;return SUB_MPL2;}
	if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",     &i, &i, &i, &i, &i, &i, &i, &i)==8)
		{*uses_time=1;return SUB_SUBRIP;}
	if (sscanf (line, "%d:%d:%d%[,.:]%d --> %d:%d:%d%[,.:]%d", &i, &i, &i, (char *)&i, &i, &i, &i, &i, (char *)&i, &i)==10)
		{*uses_time=1;return SUB_SUBVIEWER;}
	if (sscanf (line, "{T %d:%d:%d:%d",&i, &i, &i, &i)==4)
		{*uses_time=1;return SUB_SUBVIEWER2;}
	if (strstr (line, "<SAMI>"))
		{*uses_time=1; return SUB_SAMI;}
	if (sscanf(line, "%d:%d:%d.%d %d:%d:%d.%d", &i, &i, &i, &i, &i, &i, &i, &i) == 8)
		{*uses_time = 1; return SUB_JACOSUB;}
	if (sscanf(line, "@%d @%d", &i, &i) == 2)
		{*uses_time = 1; return SUB_JACOSUB;}
	if (sscanf (line, "%d:%d:%d:",     &i, &i, &i )==3)
		{*uses_time=1;return SUB_VPLAYER;}
	if (sscanf (line, "%d:%d:%d ",     &i, &i, &i )==3)
		{*uses_time=1;return SUB_VPLAYER;}
	//TODO: just checking if first line of sub starts with "<" is WAY
	// too weak test for RT
	// Please someone who knows the format of RT... FIX IT!!!
	// It may conflict with other sub formats in the future (actually it doesn't)
	if ( *line == '<' )
		{*uses_time=1;return SUB_RT;}

	if (!memcmp(line, "Dialogue: Marked", 16))
		{*uses_time=1; return SUB_SSA;}
	if (!memcmp(line, "Dialogue: ", 10))
		{*uses_time=1; return SUB_SSA;}
	if (sscanf (line, "%d,%d,\"%c", &i, &i, (char *) &i) == 3)
		{*uses_time=1;return SUB_PJS;}
	if (sscanf (line, "FORMAT=%d", &i) == 1)
		{*uses_time=0; return SUB_MPSUB;}
	if (sscanf (line, "FORMAT=TIM%c", &p)==1 && p=='E')
		{*uses_time=1; return SUB_MPSUB;}
	if (strstr (line, "-->>"))
		{*uses_time=0; return SUB_AQTITLE;}
	if (sscanf (line, "[%d:%d:%d]", &i, &i, &i)==3)
		{*uses_time=1;return SUB_SUBRIP09;}
    }

    return SUB_INVALID;  // too many bad lines
}

extern int sub_utf8;
int sub_utf8_prev=0;

extern float sub_delay;
extern float sub_fps;

#ifdef USE_ICONV
static iconv_t icdsc = (iconv_t)(-1);

void	subcp_open (stream_t *st)
{
	char *tocp = "UTF-8";

	if (sub_cp){
		const char *cp_tmp = sub_cp;
#ifdef HAVE_ENCA
		char enca_lang[3], enca_fallback[100];
		if (sscanf(sub_cp, "enca:%2s:%99s", enca_lang, enca_fallback) == 2
		     || sscanf(sub_cp, "ENCA:%2s:%99s", enca_lang, enca_fallback) == 2) {
		  if (st && st->flags & STREAM_SEEK ) {
		    cp_tmp = guess_cp(st, enca_lang, enca_fallback);
		  } else {
		    cp_tmp = enca_fallback;
		    if (st)
		      mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: enca failed, stream must be seekable.\n"); 
		  }
		}
#endif
		if ((icdsc = iconv_open (tocp, cp_tmp)) != (iconv_t)(-1)){
			mp_msg(MSGT_SUBREADER,MSGL_V,"SUB: opened iconv descriptor.\n");
			sub_utf8 = 2;
		} else
			mp_msg(MSGT_SUBREADER,MSGL_ERR,"SUB: error opening iconv descriptor.\n");
	}
}

void	subcp_close (void)
{
	if (icdsc != (iconv_t)(-1)){
		(void) iconv_close (icdsc);
		icdsc = (iconv_t)(-1);
	   	mp_msg(MSGT_SUBREADER,MSGL_V,"SUB: closed iconv descriptor.\n");
	}
}

subtitle* subcp_recode (subtitle *sub)
{
	int l=sub->lines;
	size_t ileft, oleft;
	char *op, *ip, *ot;
	if(icdsc == (iconv_t)(-1)) return sub;

	while (l){
		ip = sub->text[--l];
		ileft = strlen(ip);
		oleft = 4 * ileft;

		if (!(ot = malloc(oleft + 1))){
			mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: error allocating mem.\n");
		   	continue;
		}
		op = ot;
		if (iconv(icdsc, &ip, &ileft,
			  &op, &oleft) == (size_t)(-1)) {
			mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: error recoding line.\n");
			free(ot);
			continue;
		}
		*op='\0' ;
		free (sub->text[l]);
		sub->text[l] = ot;
	}
	return sub;
}
#endif

#ifdef USE_FRIBIDI
#ifndef max
#define max(a,b)  (((a)>(b))?(a):(b))
#endif
subtitle* sub_fribidi (subtitle *sub, int sub_utf8)
{
  FriBidiChar logical[LINE_LEN+1], visual[LINE_LEN+1]; // Hopefully these two won't smash the stack
  char        *ip      = NULL, *op     = NULL;
  FriBidiCharType base;
  size_t len,orig_len;
  int l=sub->lines;
  int char_set_num;
  fribidi_boolean log2vis;
  if(flip_hebrew) { // Please fix the indentation someday
  fribidi_set_mirroring(1);
  fribidi_set_reorder_nsm(0);
   
  if( sub_utf8 == 0 ) {
    char_set_num = fribidi_parse_charset (fribidi_charset?fribidi_charset:"ISO8859-8");
  }else {
    char_set_num = fribidi_parse_charset ("UTF-8");
  }
  while (l) {
    ip = sub->text[--l];
    orig_len = len = strlen( ip ); // We assume that we don't use full unicode, only UTF-8 or ISO8859-x
    if(len > LINE_LEN) {
      mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: sub->text is longer than LINE_LEN.\n");
      l++;
      break;
    }
    len = fribidi_charset_to_unicode (char_set_num, ip, len, logical);
    base = fribidi_flip_commas?FRIBIDI_TYPE_ON:FRIBIDI_TYPE_L;
    log2vis = fribidi_log2vis (logical, len, &base,
			       /* output */
			       visual, NULL, NULL, NULL);
    if(log2vis) {
      len = fribidi_remove_bidi_marks (visual, len, NULL, NULL,
				       NULL);
      if((op = malloc((max(2*orig_len,2*len) + 1))) == NULL) {
	mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: error allocating mem.\n");
	l++;
	break;	
      }
      fribidi_unicode_to_charset ( char_set_num, visual, len,op);
      free (ip);
      sub->text[l] = op;
    }
  }
  if (l){
    for (l = sub->lines; l;)
      free (sub->text[--l]);
    return ERR;
  }
  }
  return sub;
}

#endif

static void adjust_subs_time(subtitle* sub, float subtime, float fps, int block,
                             int sub_num, int sub_uses_time) {
	int n,m;
	subtitle* nextsub;
	int i = sub_num;
	unsigned long subfms = (sub_uses_time ? 100 : fps) * subtime;
	unsigned long overlap = (sub_uses_time ? 100 : fps) / 5; // 0.2s
	
	n=m=0;
	if (i)	for (;;){
		if (sub->end <= sub->start){
			sub->end = sub->start + subfms;
			m++;
			n++;
		}
		if (!--i) break;
		nextsub = sub + 1;
	    if(block){
		if ((sub->end > nextsub->start) && (sub->end <= nextsub->start + overlap)) {
		    // these subtitles overlap for less than 0.2 seconds
		    // and would result in very short overlapping subtitle
		    // so let's fix the problem here, before overlapping code
		    // get its hands on them
		    unsigned delta = sub->end - nextsub->start, half = delta / 2;
		    sub->end -= half + 1;
		    nextsub->start += delta - half;
		}
		if (sub->end >= nextsub->start){
			sub->end = nextsub->start - 1;
			if (sub->end - sub->start > subfms)
				sub->end = sub->start + subfms;
			if (!m)
				n++;
		}
	    }

		/* Theory:
		 * Movies are often converted from FILM (24 fps)
		 * to PAL (25) by simply speeding it up, so we
		 * to multiply the original timestmaps by
		 * (Movie's FPS / Subtitle's (guessed) FPS)
		 * so eg. for 23.98 fps movie and PAL time based
		 * subtitles we say -subfps 25 and we're fine!
		 */

		/* timed sub fps correction ::atmos */
		/* the frame-based case is handled in mpcommon.c
		 * where find_sub is called */
		if(sub_uses_time && sub_fps) {	
			sub->start *= sub_fps/fps;
			sub->end   *= sub_fps/fps;
		}

		sub = nextsub;
		m = 0;
	}
	if (n) mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Adjusted %d subtitle(s).\n", n);
}

struct subreader {
    subtitle * (*read)(stream_t *st,subtitle *dest);
    void       (*post)(subtitle *dest);
    const char *name;
};

#ifdef HAVE_ENCA
const char* guess_buffer_cp(unsigned char* buffer, int buflen, const char *preferred_language, const char *fallback)
{
    const char **languages;
    size_t langcnt;
    EncaAnalyser analyser;
    EncaEncoding encoding;
    const char *detected_sub_cp = NULL;
    int i;

    languages = enca_get_languages(&langcnt);
    mp_msg(MSGT_SUBREADER, MSGL_V, "ENCA supported languages: ");
    for (i = 0; i < langcnt; i++) {
	mp_msg(MSGT_SUBREADER, MSGL_V, "%s ", languages[i]);
    }
    mp_msg(MSGT_SUBREADER, MSGL_V, "\n");
    
    for (i = 0; i < langcnt; i++) {
	if (strcasecmp(languages[i], preferred_language) != 0) continue;
	analyser = enca_analyser_alloc(languages[i]);
	encoding = enca_analyse_const(analyser, buffer, buflen);
	enca_analyser_free(analyser);
	if (encoding.charset != ENCA_CS_UNKNOWN) {
	    detected_sub_cp = enca_charset_name(encoding.charset, ENCA_NAME_STYLE_ICONV);
	    break;
	}
    }
    
    free(languages);

    if (!detected_sub_cp) {
	detected_sub_cp = fallback;
	mp_msg(MSGT_SUBREADER, MSGL_INFO, "ENCA detection failed: fallback to %s\n", fallback);
    }else{
	mp_msg(MSGT_SUBREADER, MSGL_INFO, "ENCA detected charset: %s\n", detected_sub_cp);
    }

    return detected_sub_cp;
}

#define MAX_GUESS_BUFFER_SIZE (256*1024)
const char* guess_cp(stream_t *st, const char *preferred_language, const char *fallback)
{
    size_t buflen;
    unsigned char *buffer;
    const char *detected_sub_cp = NULL;

    buffer = malloc(MAX_GUESS_BUFFER_SIZE);
    buflen = stream_read(st,buffer, MAX_GUESS_BUFFER_SIZE);

    detected_sub_cp = guess_buffer_cp(buffer, buflen, preferred_language, fallback);
    
    free(buffer);
    stream_reset(st);
    stream_seek(st,0);

    return detected_sub_cp;
}
#undef MAX_GUESS_BUFFER_SIZE
#endif

sub_data* sub_read_file (char *filename, float fps) {
    stream_t* fd;
    int n_max, n_first, i, j, sub_first, sub_orig;
    subtitle *first, *second, *sub, *return_sub;
    sub_data *subt_data;
    int uses_time = 0, sub_num = 0, sub_errs = 0;
    struct subreader sr[]=
    {
	    { sub_read_line_microdvd, NULL, "microdvd" },
	    { sub_read_line_subrip, NULL, "subrip" },
	    { sub_read_line_subviewer, NULL, "subviewer" },
	    { sub_read_line_sami, NULL, "sami" },
	    { sub_read_line_vplayer, NULL, "vplayer" },
	    { sub_read_line_rt, NULL, "rt" },
	    { sub_read_line_ssa, sub_pp_ssa, "ssa" },
	    { sub_read_line_pjs, NULL, "pjs" },
	    { sub_read_line_mpsub, NULL, "mpsub" },
	    { sub_read_line_aqt, NULL, "aqt" },
	    { sub_read_line_subviewer2, NULL, "subviewer 2.0" },
	    { sub_read_line_subrip09, NULL, "subrip 0.9" },
	    { sub_read_line_jacosub, NULL, "jacosub" },
	    { sub_read_line_mpl2, NULL, "mpl2" }
    };
    struct subreader *srp;
    
    if(filename==NULL) return NULL; //qnx segfault
    i = 0;
    fd=open_stream (filename, NULL, &i); if (!fd) return NULL;
    
    sub_format=sub_autodetect (fd, &uses_time);
    mpsub_multiplier = (uses_time ? 100.0 : 1.0);
    if (sub_format==SUB_INVALID) {mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: Could not determine file format\n");return NULL;}
    srp=sr+sub_format;
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Detected subtitle file format: %s\n", srp->name);
    
    stream_reset(fd);
    stream_seek(fd,0);

#ifdef USE_ICONV
    sub_utf8_prev=sub_utf8;
    {
	    int l,k;
	    k = -1;
	    if ((l=strlen(filename))>4){
		    char *exts[] = {".utf", ".utf8", ".utf-8" };
		    for (k=3;--k>=0;)
			if (l >= strlen(exts[k]) && !strcasecmp(filename+(l - strlen(exts[k])), exts[k])){
			    sub_utf8 = 1;
			    break;
			}
	    }
	    if (k<0) subcp_open(fd);
    }
#endif

    sub_num=0;n_max=32;
    first=malloc(n_max*sizeof(subtitle));
    if(!first){
#ifdef USE_ICONV
	  subcp_close();
          sub_utf8=sub_utf8_prev;
#endif
	    return NULL;
    }
    
#ifdef USE_SORTSUB
    sub = malloc(sizeof(subtitle));
    //This is to deal with those formats (AQT & Subrip) which define the end of a subtitle
    //as the beginning of the following
    previous_sub_end = 0;
#endif    
    while(1){
        if(sub_num>=n_max){
            n_max+=16;
            first=realloc(first,n_max*sizeof(subtitle));
        }
#ifndef USE_SORTSUB
	sub = &first[sub_num];
#endif	
	memset(sub, '\0', sizeof(subtitle));
        sub=srp->read(fd,sub);
        if(!sub) break;   // EOF
#ifdef USE_ICONV
	if ((sub!=ERR) && (sub_utf8 & 2)) sub=subcp_recode(sub);
#endif
#ifdef USE_FRIBIDI
	if (sub!=ERR) sub=sub_fribidi(sub,sub_utf8);
#endif
	if ( sub == ERR )
	 {
#ifdef USE_ICONV
          subcp_close();
#endif
    	  if ( first ) free(first);
	  return NULL; 
	 }
        // Apply any post processing that needs recoding first
        if ((sub!=ERR) && !sub_no_text_pp && srp->post) srp->post(sub);
#ifdef USE_SORTSUB
	if(!sub_num || (first[sub_num - 1].start <= sub->start)){
	    first[sub_num].start = sub->start;
  	    first[sub_num].end   = sub->end;
	    first[sub_num].lines = sub->lines;
	    first[sub_num].alignment = sub->alignment;
  	    for(i = 0; i < sub->lines; ++i){
		first[sub_num].text[i] = sub->text[i];
  	    }
	    if (previous_sub_end){
  		first[sub_num - 1].end = previous_sub_end;
    		previous_sub_end = 0;
	    }
	} else {
	    for(j = sub_num - 1; j >= 0; --j){
    		first[j + 1].start = first[j].start;
    		first[j + 1].end   = first[j].end;
		first[j + 1].lines = first[j].lines;
		first[j + 1].alignment = first[j].alignment;
    		for(i = 0; i < first[j].lines; ++i){
      		    first[j + 1].text[i] = first[j].text[i];
		}
		if(!j || (first[j - 1].start <= sub->start)){
	    	    first[j].start = sub->start;
	    	    first[j].end   = sub->end;
	    	    first[j].lines = sub->lines;
	    	    first[j].alignment = sub->alignment;
	    	    for(i = 0; i < SUB_MAX_TEXT; ++i){
			first[j].text[i] = sub->text[i];
		    }
		    if (previous_sub_end){
			first[j].end = first[j - 1].end;
			first[j - 1].end = previous_sub_end;
			previous_sub_end = 0;
		    }
		    break;
    		}
	    }
	}
#endif	
        if(sub==ERR) ++sub_errs; else ++sub_num; // Error vs. Valid
    }
    
    free_stream(fd);

#ifdef USE_ICONV
    subcp_close();
#endif

//    printf ("SUB: Subtitle format %s time.\n", uses_time?"uses":"doesn't use");
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Read %i subtitles", sub_num);
    if (sub_errs) mp_msg(MSGT_SUBREADER,MSGL_INFO,", %i bad line(s).\n", sub_errs);
    else 	  mp_msg(MSGT_SUBREADER,MSGL_INFO,".\n");

    if(sub_num<=0){
	free(first);
	return NULL;
    }

    // we do overlap if the user forced it (suboverlap_enable == 2) or
    // the user didn't forced no-overlapsub and the format is Jacosub or Ssa.
    // this is because usually overlapping subtitles are found in these formats,
    // while in others they are probably result of bad timing
if ((suboverlap_enabled == 2) ||
    ((suboverlap_enabled) && ((sub_format == SUB_JACOSUB) || (sub_format == SUB_SSA)))) {
    adjust_subs_time(first, 6.0, fps, 0, sub_num, uses_time);/*~6 secs AST*/
// here we manage overlapping subtitles
    sub_orig = sub_num;
    n_first = sub_num;
    sub_num = 0;
    second = NULL;
    // for each subtitle in first[] we deal with its 'block' of
    // bonded subtitles
    for (sub_first = 0; sub_first < n_first; ++sub_first) {
	unsigned long global_start = first[sub_first].start,
		global_end = first[sub_first].end, local_start, local_end;
	int lines_to_add = first[sub_first].lines, sub_to_add = 0,
		**placeholder = NULL, higher_line = 0, counter, start_block_sub = sub_num;
	char real_block = 1;

	// here we find the number of subtitles inside the 'block'
	// and its span interval. this works well only with sorted
	// subtitles
	while ((sub_first + sub_to_add + 1 < n_first) && (first[sub_first + sub_to_add + 1].start < global_end)) {
	    ++sub_to_add;
	    lines_to_add += first[sub_first + sub_to_add].lines;
	    if (first[sub_first + sub_to_add].start < global_start) {
		global_start = first[sub_first + sub_to_add].start;
	    }
	    if (first[sub_first + sub_to_add].end > global_end) {
		global_end = first[sub_first + sub_to_add].end;
	    }
	}

	// we need a structure to keep trace of the screen lines
	// used by the subs, a 'placeholder'
	counter = 2 * sub_to_add + 1;  // the maximum number of subs derived
	                               // from a block of sub_to_add+1 subs
	placeholder = malloc(sizeof(int *) * counter);
	for (i = 0; i < counter; ++i) {
	    placeholder[i] = malloc(sizeof(int) * lines_to_add);
	    for (j = 0; j < lines_to_add; ++j) {
		placeholder[i][j] = -1;
	    }
	}

	counter = 0;
	local_end = global_start - 1;
	do {
	    int ls;

	    // here we find the beginning and the end of a new
	    // subtitle in the block
	    local_start = local_end + 1;
	    local_end   = global_end;
	    for (j = 0; j <= sub_to_add; ++j) {
		if ((first[sub_first + j].start - 1 > local_start) && (first[sub_first + j].start - 1 < local_end)) {
		    local_end = first[sub_first + j].start - 1;
		} else if ((first[sub_first + j].end > local_start) && (first[sub_first + j].end < local_end)) {
		    local_end = first[sub_first + j].end;
		}
	    }
            // here we allocate the screen lines to subs we must
	    // display in current local_start-local_end interval.
	    // if the subs were yet presents in the previous interval
	    // they keep the same lines, otherside they get unused lines
	    for (j = 0; j <= sub_to_add; ++j) {
		if ((first[sub_first + j].start <= local_end) && (first[sub_first + j].end > local_start)) {
		    unsigned long sub_lines = first[sub_first + j].lines, fragment_length = lines_to_add + 1,
			tmp = 0;
		    char boolean = 0;
		    int fragment_position = -1;

		    // if this is not the first new sub of the block
		    // we find if this sub was present in the previous
		    // new sub
		    if (counter)
			for (i = 0; i < lines_to_add; ++i) {
			    if (placeholder[counter - 1][i] == sub_first + j) {
				placeholder[counter][i] = sub_first + j;
				boolean = 1;
			    }
			}
		    if (boolean)
			continue;

		    // we are looking for the shortest among all groups of
		    // sequential blank lines whose length is greater than or
		    // equal to sub_lines. we store in fragment_position the
		    // position of the shortest group, in fragment_length its
		    // length, and in tmp the length of the group currently
		    // examinated
		    for (i = 0; i < lines_to_add; ++i) {
			if (placeholder[counter][i] == -1) {
			    // placeholder[counter][i] is part of the current group
			    // of blank lines
			    ++tmp;
			} else {
			    if (tmp == sub_lines) {
				// current group's size fits exactly the one we
				// need, so we stop looking
				fragment_position = i - tmp;
				tmp = 0;
				break;
			    }
			    if ((tmp) && (tmp > sub_lines) && (tmp < fragment_length)) {
				// current group is the best we found till here,
				// but is still bigger than the one we are looking
				// for, so we keep on looking
				fragment_length = tmp;
				fragment_position = i - tmp;
				tmp = 0;
			    } else {
				// current group doesn't fit at all, so we forget it
				tmp = 0;
			    }
			}
		    }
		    if (tmp) {
			// last screen line is blank, a group ends with it
			if ((tmp >= sub_lines) && (tmp < fragment_length)) {
			    fragment_position = i - tmp;
			}
		    }
		    if (fragment_position == -1) {
			// it was not possible to find free screen line(s) for a subtitle,
			// usually this means a bug in the code; however we do not overlap
			mp_msg(MSGT_SUBREADER, MSGL_WARN, "SUB: we could not find a suitable position for an overlapping subtitle\n");
			higher_line = SUB_MAX_TEXT + 1;
			break;
		    } else {
			for (tmp = 0; tmp < sub_lines; ++tmp) {
			    placeholder[counter][fragment_position + tmp] = sub_first + j;
			}
		    }
		}
	    }
	    for (j = higher_line + 1; j < lines_to_add; ++j) {
		if (placeholder[counter][j] != -1)
		    higher_line = j;
		else
		    break;
	    }
	    if (higher_line >= SUB_MAX_TEXT) {
		// the 'block' has too much lines, so we don't overlap the
		// subtitles
		second = (subtitle *) realloc(second, (sub_num + sub_to_add + 1) * sizeof(subtitle));
		for (j = 0; j <= sub_to_add; ++j) {
		    int ls;
		    memset(&second[sub_num + j], '\0', sizeof(subtitle));
		    second[sub_num + j].start = first[sub_first + j].start;
		    second[sub_num + j].end   = first[sub_first + j].end;
		    second[sub_num + j].lines = first[sub_first + j].lines;
		    second[sub_num + j].alignment = first[sub_first + j].alignment;
		    for (ls = 0; ls < second[sub_num + j].lines; ls++) {
			second[sub_num + j].text[ls] = strdup(first[sub_first + j].text[ls]);
		    }
		}
		sub_num += sub_to_add + 1;
		sub_first += sub_to_add;
		real_block = 0;
		break;
	    }

	    // we read the placeholder structure and create the new
	    // subs.
	    second = (subtitle *) realloc(second, (sub_num + 1) * sizeof(subtitle));
	    memset(&second[sub_num], '\0', sizeof(subtitle));
	    second[sub_num].start = local_start;
	    second[sub_num].end   = local_end;
	    second[sub_num].alignment = first[sub_first].alignment;
	    n_max = (lines_to_add < SUB_MAX_TEXT) ? lines_to_add : SUB_MAX_TEXT;
	    for (i = 0, j = 0; j < n_max; ++j) {
		if (placeholder[counter][j] != -1) {
		    int lines = first[placeholder[counter][j]].lines;
		    for (ls = 0; ls < lines; ++ls) {
			second[sub_num].text[i++] = strdup(first[placeholder[counter][j]].text[ls]);
		    }
		    j += lines - 1;
		} else {
		    second[sub_num].text[i++] = strdup(" ");
		}
	    }
	    ++sub_num;
	    ++counter;
	} while (local_end < global_end);
	if (real_block)
	    for (i = 0; i < counter; ++i)
		second[start_block_sub + i].lines = higher_line + 1;

	counter = 2 * sub_to_add + 1;
	for (i = 0; i < counter; ++i) {
	    free(placeholder[i]);
	}
	free(placeholder);
	sub_first += sub_to_add;
    }

    for (j = sub_orig - 1; j >= 0; --j) {
	for (i = first[j].lines - 1; i >= 0; --i) {
	    free(first[j].text[i]);
	}
    }
    free(first);

    return_sub = second;
} else { //if(suboverlap_enabled)
    adjust_subs_time(first, 6.0, fps, 1, sub_num, uses_time);/*~6 secs AST*/
    return_sub = first;
}
    if (return_sub == NULL) return NULL;
    subt_data = malloc(sizeof(sub_data));
    subt_data->filename = strdup(filename);
    subt_data->sub_uses_time = uses_time;
    subt_data->sub_num = sub_num;
    subt_data->sub_errs = sub_errs;
    subt_data->subtitles = return_sub;
    return subt_data;
}

#if 0
char * strreplace( char * in,char * what,char * whereof )
{
 int i;
 char * tmp;
 
 if ( ( in == NULL )||( what == NULL )||( whereof == NULL )||( ( tmp=strstr( in,what ) ) == NULL ) ) return NULL;
 for( i=0;i<strlen( whereof );i++ ) tmp[i]=whereof[i];
 if ( strlen( what ) > strlen( whereof ) ) tmp[i]=0;
 return in;
}
#endif


static void strcpy_trim(char *d, char *s)
{
    // skip leading whitespace
    while (*s && !isalnum(*s)) {
	s++;
    }
    for (;;) {
	// copy word
	while (*s && isalnum(*s)) {
	    *d = tolower(*s);
	    s++; d++;
	}
	if (*s == 0) break;
	// trim excess whitespace
	while (*s && !isalnum(*s)) {
	    s++;
	}
	if (*s == 0) break;
	*d++ = ' ';
    }
    *d = 0;
}
 
static void strcpy_strip_ext(char *d, char *s)
{
    char *tmp = strrchr(s,'.');
    if (!tmp) {
	strcpy(d, s);
	return;
    } else {
	strncpy(d, s, tmp-s);
	d[tmp-s] = 0;
    }
    while (*d) {
	*d = tolower(*d);
	d++;
    }
}
 
static void strcpy_get_ext(char *d, char *s)
{
    char *tmp = strrchr(s,'.');
    if (!tmp) {
	strcpy(d, "");
	return;
    } else {
	strcpy(d, tmp+1);
   }
}

static int whiteonly(char *s)
{
    while (*s) {
	if (isalnum(*s)) return 0;
	s++;
  }
    return 1;
}

typedef struct subfn
{
    int priority;
    char *fname;
} subfn;

static int compare_sub_priority(const void *a, const void *b)
{
    if (((const subfn*)a)->priority > ((const subfn*)b)->priority) {
	return -1;
    } else if (((const subfn*)a)->priority < ((const subfn*)b)->priority) {
	return 1;
    } else {
	return strcoll(((const subfn*)a)->fname, ((const subfn*)b)->fname);
    }
}

char** sub_filenames(const char* path, char *fname)
{
    char *f_dir, *f_fname, *f_fname_noext, *f_fname_trim, *tmp, *tmp_sub_id;
    char *tmp_fname_noext, *tmp_fname_trim, *tmp_fname_ext, *tmpresult;
 
    int len, pos, found, i, j;
    char * sub_exts[] = {  "utf", "utf8", "utf-8", "sub", "srt", "smi", "rt", "txt", "ssa", "aqt", "jss", "js", "ass", NULL};
    subfn *result;
    char **result2;
    
    int subcnt;
 
    FILE *f;

    DIR *d;
    struct dirent *de;

    len = (strlen(fname) > 256 ? strlen(fname) : 256)
	+(strlen(path) > 256 ? strlen(path) : 256)+2;

    f_dir = malloc(len);
    f_fname = malloc(len);
    f_fname_noext = malloc(len);
    f_fname_trim = malloc(len);

    tmp_fname_noext = malloc(len);
    tmp_fname_trim = malloc(len);
    tmp_fname_ext = malloc(len);

    tmpresult = malloc(len);

    result = malloc(sizeof(subfn)*MAX_SUBTITLE_FILES);
    memset(result, 0, sizeof(subfn)*MAX_SUBTITLE_FILES);
    
    subcnt = 0;
    
    tmp = strrchr(fname,'/');
#if defined(WIN32) || defined(__OS2__)
    if(!tmp)tmp = strrchr(fname,'\\');
    if(!tmp)tmp = strrchr(fname,':');
#endif
    
    // extract filename & dirname from fname
    if (tmp) {
	strcpy(f_fname, tmp+1);
	pos = tmp - fname;
	strncpy(f_dir, fname, pos+1);
	f_dir[pos+1] = 0;
    } else {
	strcpy(f_fname, fname);
	strcpy(f_dir, "./");
    }
 
    strcpy_strip_ext(f_fname_noext, f_fname);
    strcpy_trim(f_fname_trim, f_fname_noext);

    tmp_sub_id = NULL;
    if (dvdsub_lang && !whiteonly(dvdsub_lang)) {
	tmp_sub_id = malloc(strlen(dvdsub_lang)+1);
	strcpy_trim(tmp_sub_id, dvdsub_lang);
    }

    // 0 = nothing
    // 1 = any subtitle file
    // 2 = any sub file containing movie name
    // 3 = sub file containing movie name and the lang extension
    for (j = 0; j <= 1; j++) {
	d = opendir(j == 0 ? f_dir : path);
	if (d) {
	    while ((de = readdir(d))) {
		// retrieve various parts of the filename
		strcpy_strip_ext(tmp_fname_noext, de->d_name);
		strcpy_get_ext(tmp_fname_ext, de->d_name);
		strcpy_trim(tmp_fname_trim, tmp_fname_noext);

		// does it end with a subtitle extension?
		found = 0;
#ifdef USE_ICONV
#ifdef HAVE_ENCA
		for (i = ((sub_cp && strncasecmp(sub_cp, "enca", 4) != 0) ? 3 : 0); sub_exts[i]; i++) {
#else
		for (i = (sub_cp ? 3 : 0); sub_exts[i]; i++) {
#endif
#else
		for (i = 0; sub_exts[i]; i++) {
#endif
		    if (strcasecmp(sub_exts[i], tmp_fname_ext) == 0) {
			found = 1;
			break;
		    }
		}
 
		// we have a (likely) subtitle file
		if (found) {
		    int prio = 0;
		    if (!prio && tmp_sub_id)
		    {
			sprintf(tmpresult, "%s %s", f_fname_trim, tmp_sub_id);
			mp_msg(MSGT_SUBREADER,MSGL_INFO,"dvdsublang...%s\n", tmpresult);
			if (strcmp(tmp_fname_trim, tmpresult) == 0 && sub_match_fuzziness >= 1) {
			    // matches the movie name + lang extension
			    prio = 5;
			}		    
		    }
		    if (!prio && strcmp(tmp_fname_trim, f_fname_trim) == 0) {
			// matches the movie name
			prio = 4;
		    }
		    if (!prio && (tmp = strstr(tmp_fname_trim, f_fname_trim)) && (sub_match_fuzziness >= 1)) {
			// contains the movie name
			tmp += strlen(f_fname_trim);
			if (tmp_sub_id && strstr(tmp, tmp_sub_id)) {
			    // with sub_id specified prefer localized subtitles
			    prio = 3;
			} else if ((tmp_sub_id == NULL) && whiteonly(tmp)) {
			    // without sub_id prefer "plain" name
			    prio = 3;
			} else {
			    // with no localized subs found, try any else instead
			    prio = 2;
			}
		    }
		    if (!prio) {
			// doesn't contain the movie name
			// don't try in the mplayer subtitle directory
			if ((j == 0) && (sub_match_fuzziness >= 2)) {
			    prio = 1;
			}
		    }

		    if (prio) {
			prio += prio;
#ifdef USE_ICONV
			if (i<3){ // prefer UTF-8 coded
			    prio++;
			}
#endif
			sprintf(tmpresult, "%s%s", j == 0 ? f_dir : path, de->d_name);
//			fprintf(stderr, "%s priority %d\n", tmpresult, prio);
			if ((f = fopen(tmpresult, "rt"))) {
			    fclose(f);
			    result[subcnt].priority = prio;
			    result[subcnt].fname = strdup(tmpresult);
			    subcnt++;
			}
		    }

		}
		if (subcnt >= MAX_SUBTITLE_FILES) break;
	    }
	    closedir(d);
	}
 
    }

    if (tmp_sub_id) free(tmp_sub_id);
    
    free(f_dir);
    free(f_fname);
    free(f_fname_noext);
    free(f_fname_trim);

    free(tmp_fname_noext);
    free(tmp_fname_trim);
    free(tmp_fname_ext);

    free(tmpresult);

    qsort(result, subcnt, sizeof(subfn), compare_sub_priority);

    result2 = malloc(sizeof(char*)*(subcnt+1));
    memset(result2, 0, sizeof(char*)*(subcnt+1));

    for (i = 0; i < subcnt; i++) {
	result2[i] = result[i].fname;
    }
    result2[subcnt] = NULL;
    
    free(result);

    return result2;
}

void list_sub_file(sub_data* subd){
    int i,j;
    subtitle *subs = subd->subtitles;

    for(j=0; j < subd->sub_num; j++){
	subtitle* egysub=&subs[j];
        mp_msg(MSGT_SUBREADER,MSGL_INFO,"%i line%c (%li-%li)\n",
		    egysub->lines,
		    (1==egysub->lines)?' ':'s',
		    egysub->start,
		    egysub->end);
	for (i=0; i<egysub->lines; i++) {
	    mp_msg(MSGT_SUBREADER,MSGL_INFO,"\t\t%d: %s%s", i,egysub->text[i], i==egysub->lines-1?"":" \n ");
	}
	mp_msg(MSGT_SUBREADER,MSGL_INFO,"\n");
    }

    mp_msg(MSGT_SUBREADER,MSGL_INFO,"Subtitle format %s time.\n", 
                                  subd->sub_uses_time ? "uses":"doesn't use");
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"Read %i subtitles, %i errors.\n", subd->sub_num, subd->sub_errs);
}

void dump_srt(sub_data* subd, float fps){
    int i,j;
    int h,m,s,ms;
    FILE * fd;
    subtitle * onesub;
    unsigned long temp;
    subtitle *subs = subd->subtitles;

    if (!subd->sub_uses_time && sub_fps == 0)
	sub_fps = fps;
    fd=fopen("dumpsub.srt","w");
    if(!fd)
    { 
	perror("dump_srt: fopen");
	return;
    }
    for(i=0; i < subd->sub_num; i++)
    {
        onesub=subs+i;    //=&subs[i];
	fprintf(fd,"%d\n",i+1);//line number

	temp=onesub->start;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	h=temp/360000;temp%=360000;	//h =1*100*60*60
	m=temp/6000;  temp%=6000;	//m =1*100*60
	s=temp/100;   temp%=100;	//s =1*100
	ms=temp*10;			//ms=1*10
	fprintf(fd,"%02d:%02d:%02d,%03d --> ",h,m,s,ms);

	temp=onesub->end;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	h=temp/360000;temp%=360000;
	m=temp/6000;  temp%=6000;
	s=temp/100;   temp%=100;
	ms=temp*10;
	fprintf(fd,"%02d:%02d:%02d,%03d\n",h,m,s,ms);
	
	for(j=0;j<onesub->lines;j++)
	    fprintf(fd,"%s\n",onesub->text[j]);

	fprintf(fd,"\n");
    }
    fclose(fd);
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Subtitles dumped in \'dumpsub.srt\'.\n");
}

void dump_mpsub(sub_data* subd, float fps){
	int i,j;
	FILE *fd;
	float a,b;
        subtitle *subs = subd->subtitles;

	mpsub_position = subd->sub_uses_time? (sub_delay*100) : (sub_delay*fps);
	if (sub_fps==0) sub_fps=fps;

	fd=fopen ("dump.mpsub", "w");
	if (!fd) {
		perror ("dump_mpsub: fopen");
		return;
	}
	

	if (subd->sub_uses_time) fprintf (fd,"FORMAT=TIME\n\n");
	else fprintf (fd, "FORMAT=%5.2f\n\n", fps);

	for(j=0; j < subd->sub_num; j++){
		subtitle* egysub=&subs[j];
		if (subd->sub_uses_time) {
			a=((egysub->start-mpsub_position)/100.0);
			b=((egysub->end-egysub->start)/100.0);
			if ( (float)((int)a) == a)
			fprintf (fd, "%.0f",a);
			else
			fprintf (fd, "%.2f",a);
			    
			if ( (float)((int)b) == b)
			fprintf (fd, " %.0f\n",b);
			else
			fprintf (fd, " %.2f\n",b);
		} else {
			fprintf (fd, "%ld %ld\n", (long)((egysub->start*(fps/sub_fps))-((mpsub_position*(fps/sub_fps)))),
					(long)(((egysub->end)-(egysub->start))*(fps/sub_fps)));
		}

		mpsub_position = egysub->end;
		for (i=0; i<egysub->lines; i++) {
			fprintf (fd, "%s\n",egysub->text[i]);
		}
		fprintf (fd, "\n");
	}
	fclose (fd);
	mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Subtitles dumped in \'dump.mpsub\'.\n");
}

void dump_microdvd(sub_data* subd, float fps) {
    int i, delay;
    FILE *fd;
    subtitle *subs = subd->subtitles;
    if (sub_fps == 0)
	sub_fps = fps;
    fd = fopen("dumpsub.sub", "w");
    if (!fd) {
	perror("dumpsub.sub: fopen");
	return;
    }
    delay = sub_delay * sub_fps;
    for (i = 0; i < subd->sub_num; ++i) {
	int j, start, end;
	start = subs[i].start;
	end = subs[i].end;
	if (subd->sub_uses_time) {
	    start = start * sub_fps / 100 ;
	    end = end * sub_fps / 100;
	}
	else {
	    start = start * sub_fps / fps;
	    end = end * sub_fps / fps;
	}
	start -= delay;
	end -= delay;
	fprintf(fd, "{%d}{%d}", start, end);
	for (j = 0; j < subs[i].lines; ++j) 
	    fprintf(fd, "%s%s", j ? "|" : "", subs[i].text[j]);
	fprintf(fd, "\n");
    }
    fclose(fd);
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Subtitles dumped in \'dumpsub.sub\'.\n");
}

void dump_jacosub(sub_data* subd, float fps) {
    int i,j;
    int h,m,s,cs;
    FILE * fd;
    subtitle * onesub;
    unsigned long temp;
    subtitle *subs = subd->subtitles;

    if (!subd->sub_uses_time && sub_fps == 0)
	sub_fps = fps;
    fd=fopen("dumpsub.jss","w");
    if(!fd)
    { 
	perror("dump_jacosub: fopen");
	return;
    }
    fprintf(fd, "#TIMERES %d\n", (subd->sub_uses_time) ? 100 : (int)sub_fps); 
    for(i=0; i < subd->sub_num; i++)
    {
        onesub=subs+i;    //=&subs[i];

	temp=onesub->start;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	h=temp/360000;temp%=360000;	//h =1*100*60*60
	m=temp/6000;  temp%=6000;	//m =1*100*60
	s=temp/100;   temp%=100;	//s =1*100
	cs=temp;			//cs=1*10
	fprintf(fd,"%02d:%02d:%02d.%02d ",h,m,s,cs);

	temp=onesub->end;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	h=temp/360000;temp%=360000;
	m=temp/6000;  temp%=6000;
	s=temp/100;   temp%=100;
	cs=temp;
	fprintf(fd,"%02d:%02d:%02d.%02d {~} ",h,m,s,cs);
	
	for(j=0;j<onesub->lines;j++)
	    fprintf(fd,"%s%s",j ? "\\n" : "", onesub->text[j]);

	fprintf(fd,"\n");
    }
    fclose(fd);
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Subtitles dumped in \'dumpsub.js\'.\n");
}

void dump_sami(sub_data* subd, float fps) {
    int i,j;
    FILE * fd;
    subtitle * onesub;
    unsigned long temp;
    subtitle *subs = subd->subtitles;

    if (!subd->sub_uses_time && sub_fps == 0)
	sub_fps = fps;
    fd=fopen("dumpsub.smi","w");
    if(!fd)
    { 
	perror("dump_jacosub: fopen");
	return;
    }
    fprintf(fd, "<SAMI>\n"
		"<HEAD>\n"
		"	<STYLE TYPE=\"Text/css\">\n"
		"	<!--\n"
		"	  P {margin-left: 29pt; margin-right: 29pt; font-size: 24pt; text-align: center; font-family: Tahoma; font-weight: bold; color: #FCDD03; background-color: #000000;}\n"
		"	  .SUBTTL {Name: 'Subtitles'; Lang: en-US; SAMIType: CC;}\n"
		"	-->\n"
		"	</STYLE>\n"
		"</HEAD>\n"
		"<BODY>\n");
    for(i=0; i < subd->sub_num; i++)
    {
        onesub=subs+i;    //=&subs[i];

	temp=onesub->start;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	fprintf(fd,"\t<SYNC Start=%lu>\n"
		    "\t  <P>", temp * 10);
	
	for(j=0;j<onesub->lines;j++)
	    fprintf(fd,"%s%s",j ? "<br>" : "", onesub->text[j]);

	fprintf(fd,"\n");

	temp=onesub->end;
	if (!subd->sub_uses_time)
	    temp = temp * 100 / sub_fps;
	temp -= sub_delay * 100;
	fprintf(fd,"\t<SYNC Start=%lu>\n"
		    "\t  <P>&nbsp;\n", temp * 10);
    }
    fprintf(fd, "</BODY>\n"
		"</SAMI>\n");
    fclose(fd);
    mp_msg(MSGT_SUBREADER,MSGL_INFO,"SUB: Subtitles dumped in \'dumpsub.smi\'.\n");
}

void sub_free( sub_data * subd )
{
 int i;
 
    if ( !subd ) return;
 
    if (subd->subtitles) {
	for (i=0; i < subd->subtitles->lines; i++) free( subd->subtitles->text[i] );
	free( subd->subtitles );
    }
    if (subd->filename) free( subd->filename );
    free( subd );
}

#define MAX_SUBLINE 512
/**
 * \brief parse text and append it to subtitle in sub
 * \param sub subtitle struct to add text to
 * \param txt text to parse
 * \param len length of text in txt
 * \param endpts pts at which this subtitle text should be removed again
 *
 * <> and {} are interpreted as comment delimiters, "\n", "\N", '\n', '\r'
 * and '\0' are interpreted as newlines, duplicate, leading and trailing
 * newlines are ignored.
 */
void sub_add_text(subtitle *sub, const char *txt, int len, double endpts) {
  int comment = 0;
  int double_newline = 1; // ignore newlines at the beginning
  int i, pos;
  char *buf;
  if (sub->lines >= SUB_MAX_TEXT) return;
  pos = 0;
  buf = malloc(MAX_SUBLINE + 1);
  sub->text[sub->lines] = buf;
  sub->endpts[sub->lines] = endpts;
  for (i = 0; i < len && pos < MAX_SUBLINE; i++) {
    char c = txt[i];
    if (c == '<') comment |= 1;
    if (c == '{') comment |= 2;
    if (comment) {
      if (c == '}') comment &= ~2;
      if (c == '>') comment &= ~1;
      continue;
    }
    if (pos == MAX_SUBLINE - 1) {
      i--;
      c = 0;
    }
    if (c == '\\' && i + 1 < len) {
      c = txt[++i];
      if (c == 'n' || c == 'N') c = 0;
    }
    if (c == '\n' || c == '\r') c = 0;
    if (c) {
      double_newline = 0;
      buf[pos++] = c;
    } else if (!double_newline) {
      if (sub->lines >= SUB_MAX_TEXT - 1) {
        mp_msg(MSGT_VO, MSGL_WARN, "Too many subtitle lines\n");
        break;
      }
      double_newline = 1;
      buf[pos] = 0;
      sub->lines++;
      pos = 0;
      buf = malloc(MAX_SUBLINE + 1);      
      sub->text[sub->lines] = buf;
      sub->endpts[sub->lines] = endpts;
    }
  }
  buf[pos] = 0;
  if (sub->lines < SUB_MAX_TEXT &&
      strlen(sub->text[sub->lines]))
    sub->lines++;
}

#define MP_NOPTS_VALUE (-1LL<<63)
/**
 * \brief remove outdated subtitle lines.
 * \param sub subtitle struct to modify
 * \param pts current pts. All lines with endpts <= this will be removed.
 *            Use MP_NOPTS_VALUE to remove all lines
 * \return 1 if sub was modified, 0 otherwise.
 */
int sub_clear_text(subtitle *sub, double pts) {
  int i = 0;
  int changed = 0;
  while (i < sub->lines) {
    double endpts = sub->endpts[i];
    if (pts == MP_NOPTS_VALUE || (endpts != MP_NOPTS_VALUE && pts >= endpts)) {
      int j;
      free(sub->text[i]);
      for (j = i + 1; j < sub->lines; j++) {
        sub->text[j - 1] = sub->text[j];
        sub->endpts[j - 1] = sub->endpts[j];
      }
      sub->lines--;
      changed = 1;
    } else
      i++;
  }
  return changed;
}