File: isomedia_dev.h

package info (click to toggle)
gpac 0.7.1+dfsg1-3
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 33,112 kB
  • sloc: ansic: 454,042; xml: 47,905; cpp: 13,115; sh: 5,548; makefile: 3,401; objc: 321
file content (3733 lines) | stat: -rw-r--r-- 94,230 bytes parent folder | download
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
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
/*
 *			GPAC - Multimedia Framework C SDK
 *
 *			Authors: Jean Le Feuvre
 *			Copyright (c) Telecom ParisTech 2000-2012
 *					All rights reserved
 *
 *  This file is part of GPAC / ISO Media File Format sub-project
 *
 *  GPAC is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  GPAC 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef _GF_ISOMEDIA_DEV_H_
#define _GF_ISOMEDIA_DEV_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <gpac/isomedia.h>

#ifndef GPAC_DISABLE_ISOM


#if defined(GPAC_DISABLE_ISOM_FRAGMENTS) && !defined(GPAC_DISABLE_ISOM_ADOBE)
#define GPAC_DISABLE_ISOM_ADOBE
#endif

	/*the default size is 64, cause we need to handle large boxes...

	the other_boxes container is by default NOT created. When parsing a box and adding
	a sub-box with gf_isom_box_add_default, the list is created.
	This list is destroyed befaore calling the final box destructor
	This list is automatically taken into account during size() and write() functions
	*/
#define GF_ISOM_BOX			\
	u32 type;			\
	u64 size;			\
	const struct box_registry_entry *registry;\
	GF_List *other_boxes;

#define GF_ISOM_FULL_BOX		\
	GF_ISOM_BOX			\
	u8 version;			\
	u32 flags;			\
 
#define GF_ISOM_UUID_BOX	\
	GF_ISOM_BOX			\
	u8 uuid[16];		\
	u32 internal_4cc;		\
 
typedef struct
{
	GF_ISOM_BOX
} GF_Box;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_FullBox;

typedef struct
{
	GF_ISOM_UUID_BOX
} GF_UUIDBox;


#define ISOM_DECL_BOX_ALLOC(__TYPE, __4cc)	__TYPE *tmp; \
	GF_SAFEALLOC(tmp, __TYPE);	\
	if (tmp==NULL) return NULL;	\
	tmp->type = __4cc;

#define ISOM_DECREASE_SIZE(__ptr, bytes)	if (__ptr->size < (bytes) ) {\
			GF_LOG(GF_LOG_ERROR, GF_LOG_CONTAINER, ("[isom] not enough bytes in box %s: %d left, reading %d (file %s, line %d)\n", gf_4cc_to_str(__ptr->type), __ptr->size, (bytes), __FILE__, __LINE__ )); \
			return GF_ISOM_INVALID_FILE; \
		}\
		__ptr->size -= bytes; \

/*constructor*/
GF_Box *gf_isom_box_new(u32 boxType);
//some boxes may have different syntax based on container. Use this constructor for this case
GF_Box *gf_isom_box_new_ex(u32 boxType, u32 parentType);

GF_Err gf_isom_box_write(GF_Box *ptr, GF_BitStream *bs);
GF_Err gf_isom_box_read(GF_Box *ptr, GF_BitStream *bs);
void gf_isom_box_del(GF_Box *ptr);
GF_Err gf_isom_box_size(GF_Box *ptr);

GF_Err gf_isom_clone_box(GF_Box *src, GF_Box **dst);

GF_Err gf_isom_box_parse(GF_Box **outBox, GF_BitStream *bs);
GF_Err gf_isom_box_array_read(GF_Box *s, GF_BitStream *bs, GF_Err (*add_box)(GF_Box *par, GF_Box *b));
GF_Err gf_isom_box_array_read_ex(GF_Box *parent, GF_BitStream *bs, GF_Err (*add_box)(GF_Box *par, GF_Box *b), u32 parent_type);
GF_Err gf_isom_box_add_default(GF_Box *a, GF_Box *subbox);
GF_Err gf_isom_box_parse_ex(GF_Box **outBox, GF_BitStream *bs, u32 parent_type, Bool is_root_box);

//writes box header - shall be called at the begining of each xxxx_Write function
//this function is not factorized in order to let box serializer modify box type before writing
GF_Err gf_isom_box_write_header(GF_Box *ptr, GF_BitStream *bs);

//writes box header then version+flags
GF_Err gf_isom_full_box_write(GF_Box *s, GF_BitStream *bs);

void gf_isom_box_array_del(GF_List *other_boxes);
GF_Err gf_isom_box_array_write(GF_Box *parent, GF_List *list, GF_BitStream *bs);
GF_Err gf_isom_box_array_size(GF_Box *parent, GF_List *list);

enum
{
	GF_ISOM_BOX_TYPE_CO64	= GF_4CC( 'c', 'o', '6', '4' ),
	GF_ISOM_BOX_TYPE_STCO	= GF_4CC( 's', 't', 'c', 'o' ),
	GF_ISOM_BOX_TYPE_CTTS	= GF_4CC( 'c', 't', 't', 's' ),
	GF_ISOM_BOX_TYPE_CPRT	= GF_4CC( 'c', 'p', 'r', 't' ),
	GF_ISOM_BOX_TYPE_KIND	= GF_4CC( 'k', 'i', 'n', 'd' ),
	GF_ISOM_BOX_TYPE_CHPL	= GF_4CC( 'c', 'h', 'p', 'l' ),
	GF_ISOM_BOX_TYPE_URL	= GF_4CC( 'u', 'r', 'l', ' ' ),
	GF_ISOM_BOX_TYPE_URN	= GF_4CC( 'u', 'r', 'n', ' ' ),
	GF_ISOM_BOX_TYPE_DINF	= GF_4CC( 'd', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_DREF	= GF_4CC( 'd', 'r', 'e', 'f' ),
	GF_ISOM_BOX_TYPE_STDP	= GF_4CC( 's', 't', 'd', 'p' ),
	GF_ISOM_BOX_TYPE_EDTS	= GF_4CC( 'e', 'd', 't', 's' ),
	GF_ISOM_BOX_TYPE_ELST	= GF_4CC( 'e', 'l', 's', 't' ),
	GF_ISOM_BOX_TYPE_UUID	= GF_4CC( 'u', 'u', 'i', 'd' ),
	GF_ISOM_BOX_TYPE_FREE	= GF_4CC( 'f', 'r', 'e', 'e' ),
	GF_ISOM_BOX_TYPE_HDLR	= GF_4CC( 'h', 'd', 'l', 'r' ),
	GF_ISOM_BOX_TYPE_GMHD	= GF_4CC( 'g', 'm', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_HMHD	= GF_4CC( 'h', 'm', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_HINT	= GF_4CC( 'h', 'i', 'n', 't' ),
	GF_ISOM_BOX_TYPE_MDIA	= GF_4CC( 'm', 'd', 'i', 'a' ),
	GF_ISOM_BOX_TYPE_ELNG	= GF_4CC( 'e', 'l', 'n', 'g' ),
	GF_ISOM_BOX_TYPE_MDAT	= GF_4CC( 'm', 'd', 'a', 't' ),
	GF_ISOM_BOX_TYPE_IDAT	= GF_4CC( 'i', 'd', 'a', 't' ),
	GF_ISOM_BOX_TYPE_MDHD	= GF_4CC( 'm', 'd', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_MINF	= GF_4CC( 'm', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_MOOV	= GF_4CC( 'm', 'o', 'o', 'v' ),
	GF_ISOM_BOX_TYPE_MVHD	= GF_4CC( 'm', 'v', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_STSD	= GF_4CC( 's', 't', 's', 'd' ),
	GF_ISOM_BOX_TYPE_STSZ	= GF_4CC( 's', 't', 's', 'z' ),
	GF_ISOM_BOX_TYPE_STZ2	= GF_4CC( 's', 't', 'z', '2' ),
	GF_ISOM_BOX_TYPE_STBL	= GF_4CC( 's', 't', 'b', 'l' ),
	GF_ISOM_BOX_TYPE_STSC	= GF_4CC( 's', 't', 's', 'c' ),
	GF_ISOM_BOX_TYPE_STSH	= GF_4CC( 's', 't', 's', 'h' ),
	GF_ISOM_BOX_TYPE_SKIP	= GF_4CC( 's', 'k', 'i', 'p' ),
	GF_ISOM_BOX_TYPE_SMHD	= GF_4CC( 's', 'm', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_STSS	= GF_4CC( 's', 't', 's', 's' ),
	GF_ISOM_BOX_TYPE_STTS	= GF_4CC( 's', 't', 't', 's' ),
	GF_ISOM_BOX_TYPE_TRAK	= GF_4CC( 't', 'r', 'a', 'k' ),
	GF_ISOM_BOX_TYPE_TKHD	= GF_4CC( 't', 'k', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_TREF	= GF_4CC( 't', 'r', 'e', 'f' ),
	GF_ISOM_BOX_TYPE_STRK	= GF_4CC( 's', 't', 'r', 'k' ),
	GF_ISOM_BOX_TYPE_STRI	= GF_4CC( 's', 't', 'r', 'i' ),
	GF_ISOM_BOX_TYPE_STRD	= GF_4CC( 's', 't', 'r', 'd' ),
	GF_ISOM_BOX_TYPE_STSG	= GF_4CC( 's', 't', 's', 'g' ),

	GF_ISOM_BOX_TYPE_UDTA	= GF_4CC( 'u', 'd', 't', 'a' ),
	GF_ISOM_BOX_TYPE_VMHD	= GF_4CC( 'v', 'm', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_FTYP	= GF_4CC( 'f', 't', 'y', 'p' ),
	GF_ISOM_BOX_TYPE_PADB	= GF_4CC( 'p', 'a', 'd', 'b' ),
	GF_ISOM_BOX_TYPE_PDIN	= GF_4CC( 'p', 'd', 'i', 'n' ),
	GF_ISOM_BOX_TYPE_SDTP	= GF_4CC( 's', 'd', 't', 'p' ),
	GF_ISOM_BOX_TYPE_CSLG	= GF_4CC( 'c', 's', 'l', 'g' ),

	GF_ISOM_BOX_TYPE_SBGP	= GF_4CC( 's', 'b', 'g', 'p' ),
	GF_ISOM_BOX_TYPE_SGPD	= GF_4CC( 's', 'g', 'p', 'd' ),
	GF_ISOM_BOX_TYPE_SAIZ	= GF_4CC( 's', 'a', 'i', 'z' ),
	GF_ISOM_BOX_TYPE_SAIO	= GF_4CC( 's', 'a', 'i', 'o' ),
	GF_ISOM_BOX_TYPE_MFRA	= GF_4CC( 'm', 'f', 'r', 'a' ),
	GF_ISOM_BOX_TYPE_MFRO	= GF_4CC( 'm', 'f', 'r', 'o' ),
	GF_ISOM_BOX_TYPE_TFRA	= GF_4CC( 't', 'f', 'r', 'a' ),

	GF_ISOM_BOX_TYPE_PSSH	= GF_4CC( 'p', 's', 's', 'h' ),
	GF_ISOM_BOX_TYPE_TENC	= GF_4CC( 't', 'e', 'n', 'c' ),

	//track group
	GF_ISOM_BOX_TYPE_TRGR	= GF_4CC( 't', 'r', 'g', 'r' ),
	//track group types
	GF_ISOM_BOX_TYPE_TRGT	= GF_4CC( 't', 'r', 'g', 't' ),
	GF_ISOM_BOX_TYPE_MSRC	= GF_4CC( 'm', 's', 'r', 'c' ),
	GF_ISOM_BOX_TYPE_CSTG	= GF_4CC( 'c', 's', 't', 'g' ),
	GF_ISOM_BOX_TYPE_STER	= GF_4CC( 's', 't', 'e', 'r' ),

	/*Adobe's protection boxes*/
	GF_ISOM_BOX_TYPE_ADKM	= GF_4CC( 'a', 'd', 'k', 'm' ),
	GF_ISOM_BOX_TYPE_AHDR	= GF_4CC( 'a', 'h', 'd', 'r' ),
	GF_ISOM_BOX_TYPE_ADAF	= GF_4CC( 'a', 'd', 'a', 'f' ),
	GF_ISOM_BOX_TYPE_APRM	= GF_4CC( 'a', 'p', 'r', 'm' ),
	GF_ISOM_BOX_TYPE_AEIB	= GF_4CC( 'a', 'e', 'i', 'b' ),
	GF_ISOM_BOX_TYPE_AKEY	= GF_4CC( 'a', 'k', 'e', 'y' ),
	GF_ISOM_BOX_TYPE_FLXS	= GF_4CC( 'f', 'l', 'x', 's' ),

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
	/*Movie Fragments*/
	GF_ISOM_BOX_TYPE_MVEX	= GF_4CC( 'm', 'v', 'e', 'x' ),
	GF_ISOM_BOX_TYPE_MEHD	= GF_4CC( 'm', 'e', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_TREX	= GF_4CC( 't', 'r', 'e', 'x' ),
	GF_ISOM_BOX_TYPE_TREP	= GF_4CC( 't', 'r', 'e', 'p' ),
	GF_ISOM_BOX_TYPE_MOOF	= GF_4CC( 'm', 'o', 'o', 'f' ),
	GF_ISOM_BOX_TYPE_MFHD	= GF_4CC( 'm', 'f', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_TRAF	= GF_4CC( 't', 'r', 'a', 'f' ),
	GF_ISOM_BOX_TYPE_TFHD	= GF_4CC( 't', 'f', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_TRUN	= GF_4CC( 't', 'r', 'u', 'n' ),
#endif


	/*MP4 extensions*/
	GF_ISOM_BOX_TYPE_DPND	= GF_4CC( 'd', 'p', 'n', 'd' ),
	GF_ISOM_BOX_TYPE_IODS	= GF_4CC( 'i', 'o', 'd', 's' ),
	GF_ISOM_BOX_TYPE_ESDS	= GF_4CC( 'e', 's', 'd', 's' ),
	GF_ISOM_BOX_TYPE_MPOD	= GF_4CC( 'm', 'p', 'o', 'd' ),
	GF_ISOM_BOX_TYPE_SYNC	= GF_4CC( 's', 'y', 'n', 'c' ),
	GF_ISOM_BOX_TYPE_IPIR	= GF_4CC( 'i', 'p', 'i', 'r' ),

	GF_ISOM_BOX_TYPE_NMHD	= GF_4CC( 'n', 'm', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_STHD	= GF_4CC( 's', 't', 'h', 'd' ),
	/*reseved
	GF_ISOM_BOX_TYPE_SDHD	= GF_4CC( 's', 'd', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_ODHD	= GF_4CC( 'o', 'd', 'h', 'd' ),
	GF_ISOM_BOX_TYPE_CRHD	= GF_4CC( 'c', 'r', 'h', 'd' ),
	*/
	GF_ISOM_BOX_TYPE_MP4S	= GF_4CC( 'm', 'p', '4', 's' ),
	GF_ISOM_BOX_TYPE_MP4A	= GF_4CC( 'm', 'p', '4', 'a' ),
	GF_ISOM_BOX_TYPE_MP4V	= GF_4CC( 'm', 'p', '4', 'v' ),


	/*AVC / H264 extension*/
	GF_ISOM_BOX_TYPE_AVCC	= GF_4CC( 'a', 'v', 'c', 'C' ),
	GF_ISOM_BOX_TYPE_BTRT	= GF_4CC( 'b', 't', 'r', 't' ),
	GF_ISOM_BOX_TYPE_M4DS	= GF_4CC( 'm', '4', 'd', 's' ),
	GF_ISOM_BOX_TYPE_PASP	= GF_4CC( 'p', 'a', 's', 'p' ),
	GF_ISOM_BOX_TYPE_CLAP	= GF_4CC( 'c', 'l', 'a', 'p' ),
	GF_ISOM_BOX_TYPE_AVC1	= GF_4CC( 'a', 'v', 'c', '1' ),
	GF_ISOM_BOX_TYPE_AVC2	= GF_4CC( 'a', 'v', 'c', '2' ),
	GF_ISOM_BOX_TYPE_AVC3	= GF_4CC( 'a', 'v', 'c', '3' ),
	GF_ISOM_BOX_TYPE_AVC4	= GF_4CC( 'a', 'v', 'c', '4' ),
	GF_ISOM_BOX_TYPE_SVCC	= GF_4CC( 's', 'v', 'c', 'C' ),
	GF_ISOM_BOX_TYPE_SVC1	= GF_4CC( 's', 'v', 'c', '1' ),
	GF_ISOM_BOX_TYPE_MVCC	= GF_4CC( 'm', 'v', 'c', 'C' ),
	GF_ISOM_BOX_TYPE_MVC1	= GF_4CC( 'm', 'v', 'c', '1' ),

	GF_ISOM_BOX_TYPE_HVCC	= GF_4CC( 'h', 'v', 'c', 'C' ),
	GF_ISOM_BOX_TYPE_HVC1	= GF_4CC( 'h', 'v', 'c', '1' ),
	GF_ISOM_BOX_TYPE_HEV1	= GF_4CC( 'h', 'e', 'v', '1' ),
	GF_ISOM_BOX_TYPE_HVT1	= GF_4CC( 'h', 'v', 't', '1' ),

	GF_ISOM_BOX_TYPE_HVC2	= GF_4CC( 'h', 'v', 'c', '2' ),
	GF_ISOM_BOX_TYPE_HEV2	= GF_4CC( 'h', 'e', 'v', '2' ),
	GF_ISOM_BOX_TYPE_LHV1	= GF_4CC( 'l', 'h', 'v', '1' ),
	GF_ISOM_BOX_TYPE_LHE1	= GF_4CC( 'l', 'h', 'e', '1' ),

	GF_ISOM_BOX_TYPE_LHVC	= GF_4CC( 'l', 'h', 'v', 'C' ),

	/*LASeR extension*/
	GF_ISOM_BOX_TYPE_LSRC	= GF_4CC( 'l', 's', 'r', 'C' ),
	GF_ISOM_BOX_TYPE_LSR1	= GF_4CC( 'l', 's', 'r', '1' ),

	/*3GPP extensions*/
	GF_ISOM_BOX_TYPE_DAMR	= GF_4CC( 'd', 'a', 'm', 'r' ),
	GF_ISOM_BOX_TYPE_D263	= GF_4CC( 'd', '2', '6', '3' ),
	GF_ISOM_BOX_TYPE_DEVC	= GF_4CC( 'd', 'e', 'v', 'c' ),
	GF_ISOM_BOX_TYPE_DQCP	= GF_4CC( 'd', 'q', 'c', 'p' ),
	GF_ISOM_BOX_TYPE_DSMV	= GF_4CC( 'd', 's', 'm', 'v' ),
	GF_ISOM_BOX_TYPE_TSEL	= GF_4CC( 't', 's', 'e', 'l' ),

	/* 3GPP Adaptive Streaming extensions */
	GF_ISOM_BOX_TYPE_STYP	= GF_4CC( 's', 't', 'y', 'p' ),
	GF_ISOM_BOX_TYPE_TFDT	= GF_4CC( 't', 'f', 'd', 't' ),
	GF_ISOM_BOX_TYPE_SIDX	= GF_4CC( 's', 'i', 'd', 'x' ),
	GF_ISOM_BOX_TYPE_SSIX	= GF_4CC( 's', 's', 'i', 'x' ),
	GF_ISOM_BOX_TYPE_LEVA   = GF_4CC( 'l', 'e', 'v', 'a' ),
	GF_ISOM_BOX_TYPE_PCRB	= GF_4CC( 'p', 'c', 'r', 'b' ),

	/*3GPP text / MPEG-4 StreamingText*/
	GF_ISOM_BOX_TYPE_FTAB	= GF_4CC( 'f', 't', 'a', 'b' ),
	GF_ISOM_BOX_TYPE_TX3G	= GF_4CC( 't', 'x', '3', 'g' ),
	GF_ISOM_BOX_TYPE_STYL	= GF_4CC( 's', 't', 'y', 'l' ),
	GF_ISOM_BOX_TYPE_HLIT	= GF_4CC( 'h', 'l', 'i', 't' ),
	GF_ISOM_BOX_TYPE_HCLR	= GF_4CC( 'h', 'c', 'l', 'r' ),
	GF_ISOM_BOX_TYPE_KROK	= GF_4CC( 'k', 'r', 'o', 'k' ),
	GF_ISOM_BOX_TYPE_DLAY	= GF_4CC( 'd', 'l', 'a', 'y' ),
	GF_ISOM_BOX_TYPE_HREF	= GF_4CC( 'h', 'r', 'e', 'f' ),
	GF_ISOM_BOX_TYPE_TBOX	= GF_4CC( 't', 'b', 'o', 'x' ),
	GF_ISOM_BOX_TYPE_BLNK	= GF_4CC( 'b', 'l', 'n', 'k' ),
	GF_ISOM_BOX_TYPE_TWRP	= GF_4CC( 't', 'w', 'r', 'p' ),

	/* ISO Base Media File Format Extensions for MPEG-21 */
	GF_ISOM_BOX_TYPE_META	= GF_4CC( 'm', 'e', 't', 'a' ),
	GF_ISOM_BOX_TYPE_XML	= GF_4CC( 'x', 'm', 'l', ' ' ),
	GF_ISOM_BOX_TYPE_BXML	= GF_4CC( 'b', 'x', 'm', 'l' ),
	GF_ISOM_BOX_TYPE_ILOC	= GF_4CC( 'i', 'l', 'o', 'c' ),
	GF_ISOM_BOX_TYPE_PITM	= GF_4CC( 'p', 'i', 't', 'm' ),
	GF_ISOM_BOX_TYPE_IPRO	= GF_4CC( 'i', 'p', 'r', 'o' ),
	GF_ISOM_BOX_TYPE_INFE	= GF_4CC( 'i', 'n', 'f', 'e' ),
	GF_ISOM_BOX_TYPE_IINF	= GF_4CC( 'i', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_IREF	= GF_4CC( 'i', 'r', 'e', 'f' ),
	GF_ISOM_BOX_TYPE_ENCA	= GF_4CC( 'e', 'n', 'c', 'a' ),
	GF_ISOM_BOX_TYPE_ENCV	= GF_4CC( 'e', 'n', 'c', 'v' ),
	GF_ISOM_BOX_TYPE_RESV	= GF_4CC( 'r', 'e', 's', 'v' ),
	GF_ISOM_BOX_TYPE_ENCT	= GF_4CC( 'e', 'n', 'c', 't' ),
	GF_ISOM_BOX_TYPE_ENCS	= GF_4CC( 'e', 'n', 'c', 's' ),
	GF_ISOM_BOX_TYPE_ENCF	= GF_4CC( 'e', 'n', 'c', 'f' ),
	GF_ISOM_BOX_TYPE_ENCM	= GF_4CC( 'e', 'n', 'c', 'm' ),
	GF_ISOM_BOX_TYPE_SINF	= GF_4CC( 's', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_RINF	= GF_4CC( 'r', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_FRMA	= GF_4CC( 'f', 'r', 'm', 'a' ),
	GF_ISOM_BOX_TYPE_SCHM	= GF_4CC( 's', 'c', 'h', 'm' ),
	GF_ISOM_BOX_TYPE_SCHI	= GF_4CC( 's', 'c', 'h', 'i' ),

	GF_ISOM_BOX_TYPE_STVI	= GF_4CC( 's', 't', 'v', 'i' ),


	GF_ISOM_BOX_TYPE_METX	= GF_4CC( 'm', 'e', 't', 'x' ),
	GF_ISOM_BOX_TYPE_METT	= GF_4CC( 'm', 'e', 't', 't' ),

	/* ISMA 1.0 Encryption and Authentication V 1.0 */
	GF_ISOM_BOX_TYPE_IKMS	= GF_4CC( 'i', 'K', 'M', 'S' ),
	GF_ISOM_BOX_TYPE_ISFM	= GF_4CC( 'i', 'S', 'F', 'M' ),
	GF_ISOM_BOX_TYPE_ISLT	= GF_4CC( 'i', 'S', 'L', 'T' ),

	/* Hinting boxes */
	GF_ISOM_BOX_TYPE_RTP_STSD	= GF_4CC( 'r', 't', 'p', ' ' ),
	GF_ISOM_BOX_TYPE_SRTP_STSD	= GF_4CC( 's', 'r', 't', 'p' ),
	GF_ISOM_BOX_TYPE_FDP_STSD	= GF_4CC( 'f', 'd', 'p', ' ' ),
	GF_ISOM_BOX_TYPE_RRTP_STSD	= GF_4CC( 'r', 'r', 't', 'p' ),
	GF_ISOM_BOX_TYPE_RTCP_STSD	= GF_4CC( 'r', 't', 'c', 'p' ),
	GF_ISOM_BOX_TYPE_HNTI	= GF_4CC( 'h', 'n', 't', 'i' ),
	GF_ISOM_BOX_TYPE_RTP	= GF_4CC( 'r', 't', 'p', ' ' ),
	GF_ISOM_BOX_TYPE_SDP	= GF_4CC( 's', 'd', 'p', ' ' ),
	GF_ISOM_BOX_TYPE_HINF	= GF_4CC( 'h', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_NAME	= GF_4CC( 'n', 'a', 'm', 'e' ),
	GF_ISOM_BOX_TYPE_TRPY	= GF_4CC( 't', 'r', 'p', 'y' ),
	GF_ISOM_BOX_TYPE_NUMP	= GF_4CC( 'n', 'u', 'm', 'p' ),
	GF_ISOM_BOX_TYPE_TOTL	= GF_4CC( 't', 'o', 't', 'l' ),
	GF_ISOM_BOX_TYPE_NPCK	= GF_4CC( 'n', 'p', 'c', 'k' ),
	GF_ISOM_BOX_TYPE_TPYL	= GF_4CC( 't', 'p', 'y', 'l' ),
	GF_ISOM_BOX_TYPE_TPAY	= GF_4CC( 't', 'p', 'a', 'y' ),
	GF_ISOM_BOX_TYPE_MAXR	= GF_4CC( 'm', 'a', 'x', 'r' ),
	GF_ISOM_BOX_TYPE_DMED	= GF_4CC( 'd', 'm', 'e', 'd' ),
	GF_ISOM_BOX_TYPE_DIMM	= GF_4CC( 'd', 'i', 'm', 'm' ),
	GF_ISOM_BOX_TYPE_DREP	= GF_4CC( 'd', 'r', 'e', 'p' ),
	GF_ISOM_BOX_TYPE_TMIN	= GF_4CC( 't', 'm', 'i', 'n' ),
	GF_ISOM_BOX_TYPE_TMAX	= GF_4CC( 't', 'm', 'a', 'x' ),
	GF_ISOM_BOX_TYPE_PMAX	= GF_4CC( 'p', 'm', 'a', 'x' ),
	GF_ISOM_BOX_TYPE_DMAX	= GF_4CC( 'd', 'm', 'a', 'x' ),
	GF_ISOM_BOX_TYPE_PAYT	= GF_4CC( 'p', 'a', 'y', 't' ),
	GF_ISOM_BOX_TYPE_RELY	= GF_4CC( 'r', 'e', 'l', 'y' ),
	GF_ISOM_BOX_TYPE_TIMS	= GF_4CC( 't', 'i', 'm', 's' ),
	GF_ISOM_BOX_TYPE_TSRO	= GF_4CC( 't', 's', 'r', 'o' ),
	GF_ISOM_BOX_TYPE_SNRO	= GF_4CC( 's', 'n', 'r', 'o' ),
	GF_ISOM_BOX_TYPE_RTPO	= GF_4CC( 'r', 't', 'p', 'o' ),
	GF_ISOM_BOX_TYPE_TSSY	= GF_4CC( 't', 's', 's', 'y' ),
	GF_ISOM_BOX_TYPE_RSSR	= GF_4CC( 'r', 's', 's', 'r' ),
	GF_ISOM_BOX_TYPE_SRPP	= GF_4CC( 's', 'r', 'p', 'p' ),

	//FEC boxes
	GF_ISOM_BOX_TYPE_FIIN	= GF_4CC( 'f', 'i', 'i', 'n' ),
	GF_ISOM_BOX_TYPE_PAEN	= GF_4CC( 'p', 'a', 'e', 'n' ),
	GF_ISOM_BOX_TYPE_FPAR	= GF_4CC( 'f', 'p', 'a', 'r' ),
	GF_ISOM_BOX_TYPE_FECR	= GF_4CC( 'f', 'e', 'c', 'r' ),
	GF_ISOM_BOX_TYPE_SEGR	= GF_4CC( 's', 'e', 'g', 'r' ),
	GF_ISOM_BOX_TYPE_GITN	= GF_4CC( 'g', 'i', 't', 'n' ),
	GF_ISOM_BOX_TYPE_FIRE	= GF_4CC( 'f', 'i', 'r', 'e' ),
	GF_ISOM_BOX_TYPE_FDSA	= GF_4CC( 'f', 'd', 's', 'a' ),
	GF_ISOM_BOX_TYPE_FDPA	= GF_4CC( 'f', 'd', 'p', 'a' ),
	GF_ISOM_BOX_TYPE_EXTR	= GF_4CC( 'e', 'x', 't', 'r' ),

	/*internal type for track and item references*/
	GF_ISOM_BOX_TYPE_REFT	= GF_4CC( 'R', 'E', 'F', 'T' ),
	GF_ISOM_BOX_TYPE_REFI	= GF_4CC( 'R', 'E', 'F', 'I'),
	GF_ISOM_BOX_TYPE_GRPT	= GF_4CC( 'G', 'R', 'P', 'T'),

#ifndef GPAC_DISABLE_ISOM_ADOBE
	/* Adobe extensions */
	GF_ISOM_BOX_TYPE_ABST	= GF_4CC( 'a', 'b', 's', 't' ),
	GF_ISOM_BOX_TYPE_AFRA	= GF_4CC( 'a', 'f', 'r', 'a' ),
	GF_ISOM_BOX_TYPE_ASRT	= GF_4CC( 'a', 's', 'r', 't' ),
	GF_ISOM_BOX_TYPE_AFRT	= GF_4CC( 'a', 'f', 'r', 't' ),
#endif

	/* Apple extensions */

	GF_ISOM_BOX_TYPE_ILST	= GF_4CC( 'i', 'l', 's', 't' ),
	GF_ISOM_BOX_TYPE_0xA9NAM	= GF_4CC( 0xA9, 'n', 'a', 'm' ),
	GF_ISOM_BOX_TYPE_0xA9CMT	= GF_4CC( 0xA9, 'c', 'm', 't' ),
	GF_ISOM_BOX_TYPE_0xA9DAY	= GF_4CC( 0xA9, 'd', 'a', 'y' ),
	GF_ISOM_BOX_TYPE_0xA9ART	= GF_4CC( 0xA9, 'A', 'R', 'T' ),
	GF_ISOM_BOX_TYPE_0xA9TRK	= GF_4CC( 0xA9, 't', 'r', 'k' ),
	GF_ISOM_BOX_TYPE_0xA9ALB	= GF_4CC( 0xA9, 'a', 'l', 'b' ),
	GF_ISOM_BOX_TYPE_0xA9COM	= GF_4CC( 0xA9, 'c', 'o', 'm' ),
	GF_ISOM_BOX_TYPE_0xA9WRT	= GF_4CC( 0xA9, 'w', 'r', 't' ),
	GF_ISOM_BOX_TYPE_0xA9TOO	= GF_4CC( 0xA9, 't', 'o', 'o' ),
	GF_ISOM_BOX_TYPE_0xA9CPY	= GF_4CC( 0xA9, 'c', 'p', 'y' ),
	GF_ISOM_BOX_TYPE_0xA9DES	= GF_4CC( 0xA9, 'd', 'e', 's' ),
	GF_ISOM_BOX_TYPE_0xA9GEN	= GF_4CC( 0xA9, 'g', 'e', 'n' ),
	GF_ISOM_BOX_TYPE_0xA9GRP	= GF_4CC( 0xA9, 'g', 'r', 'p' ),
	GF_ISOM_BOX_TYPE_0xA9ENC	= GF_4CC( 0xA9, 'e', 'n', 'c' ),
	GF_ISOM_BOX_TYPE_aART		= GF_4CC( 'a', 'A', 'R', 'T' ),
	GF_ISOM_BOX_TYPE_PGAP = GF_4CC( 'p', 'g', 'a', 'p' ),
	GF_ISOM_BOX_TYPE_GNRE	= GF_4CC( 'g', 'n', 'r', 'e' ),
	GF_ISOM_BOX_TYPE_DISK	= GF_4CC( 'd', 'i', 's', 'k' ),
	GF_ISOM_BOX_TYPE_TRKN	= GF_4CC( 't', 'r', 'k', 'n' ),
	GF_ISOM_BOX_TYPE_TMPO	= GF_4CC( 't', 'm', 'p', 'o' ),
	GF_ISOM_BOX_TYPE_CPIL	= GF_4CC( 'c', 'p', 'i', 'l' ),
	GF_ISOM_BOX_TYPE_COVR	= GF_4CC( 'c', 'o', 'v', 'r' ),
	GF_ISOM_BOX_TYPE_iTunesSpecificInfo	= GF_4CC( '-', '-', '-', '-' ),
	GF_ISOM_BOX_TYPE_DATA	= GF_4CC( 'd', 'a', 't', 'a' ),

	GF_ISOM_HANDLER_TYPE_MDIR	= GF_4CC( 'm', 'd', 'i', 'r' ),
	GF_ISOM_BOX_TYPE_CHAP	= GF_4CC( 'c', 'h', 'a', 'p' ),
	GF_ISOM_BOX_TYPE_TEXT	= GF_4CC( 't', 'e', 'x', 't' ),

	/*OMA (P)DCF boxes*/
	GF_ISOM_BOX_TYPE_OHDR	= GF_4CC( 'o', 'h', 'd', 'r' ),
	GF_ISOM_BOX_TYPE_GRPI	= GF_4CC( 'g', 'r', 'p', 'i' ),
	GF_ISOM_BOX_TYPE_MDRI	= GF_4CC( 'm', 'd', 'r', 'i' ),
	GF_ISOM_BOX_TYPE_ODTT	= GF_4CC( 'o', 'd', 't', 't' ),
	GF_ISOM_BOX_TYPE_ODRB	= GF_4CC( 'o', 'd', 'r', 'b' ),
	GF_ISOM_BOX_TYPE_ODKM	= GF_4CC( 'o', 'd', 'k', 'm' ),
	GF_ISOM_BOX_TYPE_ODAF	= GF_4CC( 'o', 'd', 'a', 'f' ),

	/*3GPP DIMS */
	GF_ISOM_BOX_TYPE_DIMS	= GF_4CC( 'd', 'i', 'm', 's' ),
	GF_ISOM_BOX_TYPE_DIMC	= GF_4CC( 'd', 'i', 'm', 'C' ),
	GF_ISOM_BOX_TYPE_DIST	= GF_4CC( 'd', 'i', 'S', 'T' ),


	GF_ISOM_BOX_TYPE_AC3	= GF_4CC( 'a', 'c', '-', '3' ),
	GF_ISOM_BOX_TYPE_DAC3	= GF_4CC( 'd', 'a', 'c', '3' ),
	GF_ISOM_BOX_TYPE_EC3	= GF_4CC( 'e', 'c', '-', '3' ),
	GF_ISOM_BOX_TYPE_DEC3	= GF_4CC( 'd', 'e', 'c', '3' ),

	GF_ISOM_BOX_TYPE_SUBS	= GF_4CC( 's', 'u', 'b', 's' ),

	GF_ISOM_BOX_TYPE_RVCC	= GF_4CC( 'r', 'v', 'c', 'c' ),

	GF_ISOM_BOX_TYPE_VTTC_CONFIG	= GF_4CC( 'v', 't', 't', 'C' ),
	GF_ISOM_BOX_TYPE_VTCC_CUE	= GF_4CC( 'v', 't', 't', 'c' ),
	GF_ISOM_BOX_TYPE_VTTE	= GF_4CC( 'v', 't', 't', 'e' ),
	GF_ISOM_BOX_TYPE_VTTA	= GF_4CC( 'v', 't', 't', 'a' ),
	GF_ISOM_BOX_TYPE_CTIM	= GF_4CC( 'c', 't', 'i', 'm' ),
	GF_ISOM_BOX_TYPE_IDEN	= GF_4CC( 'i', 'd', 'e', 'n' ),
	GF_ISOM_BOX_TYPE_STTG	= GF_4CC( 's', 't', 't', 'g' ),
	GF_ISOM_BOX_TYPE_PAYL	= GF_4CC( 'p', 'a', 'y', 'l' ),
	GF_ISOM_BOX_TYPE_WVTT	= GF_4CC( 'w', 'v', 't', 't' ),

	GF_ISOM_BOX_TYPE_STPP	= GF_4CC( 's', 't', 'p', 'p' ),
	GF_ISOM_BOX_TYPE_SBTT	= GF_4CC( 's', 'b', 't', 't' ),

	GF_ISOM_BOX_TYPE_STXT	= GF_4CC( 's', 't', 'x', 't' ),
	GF_ISOM_BOX_TYPE_TXTC	= GF_4CC( 't', 'x', 't', 'C' ),

	GF_ISOM_BOX_TYPE_PRFT   = GF_4CC( 'p', 'r', 'f', 't' ),

	/* Image File Format Boxes */
	GF_ISOM_BOX_TYPE_ISPE   = GF_4CC( 'i', 's', 'p', 'e' ),
	GF_ISOM_BOX_TYPE_COLR   = GF_4CC( 'c', 'o', 'l', 'r' ),
	GF_ISOM_BOX_TYPE_PIXI   = GF_4CC( 'p', 'i', 'x', 'i' ),
	GF_ISOM_BOX_TYPE_RLOC   = GF_4CC( 'r', 'l', 'o', 'c' ),
	GF_ISOM_BOX_TYPE_IROT   = GF_4CC( 'i', 'r', 'o', 't' ),
	GF_ISOM_BOX_TYPE_IPCO   = GF_4CC( 'i', 'p', 'c', 'o' ),
	GF_ISOM_BOX_TYPE_IPRP   = GF_4CC( 'i', 'p', 'r', 'p' ),
	GF_ISOM_BOX_TYPE_IPMA   = GF_4CC( 'i', 'p', 'm', 'a' ),
	GF_ISOM_BOX_TYPE_GRPL  = GF_4CC('g', 'r', 'p', 'l'),
	GF_ISOM_BOX_TYPE_CCST	= GF_4CC( 'c', 'c', 's', 't' ),
	GF_ISOM_BOX_TYPE_AUXC	= GF_4CC( 'a', 'u', 'x', 'C' ),
	GF_ISOM_BOX_TYPE_OINF	= GF_4CC( 'o', 'i', 'n', 'f' ),
	GF_ISOM_BOX_TYPE_TOLS	= GF_4CC( 't', 'o', 'l', 's' ),

	GF_ISOM_BOX_TYPE_ALTR	= GF_4CC( 'a', 'l', 't', 'r' ),

	/*ALL INTERNAL BOXES - NEVER WRITTEN TO FILE!!*/

	/*generic handlers*/
	GF_ISOM_BOX_TYPE_GNRM	= GF_4CC( 'g', 'n', 'r', 'm' ),
	GF_ISOM_BOX_TYPE_GNRV	= GF_4CC( 'g', 'n', 'r', 'v' ),
	GF_ISOM_BOX_TYPE_GNRA	= GF_4CC( 'g', 'n', 'r', 'a' ),
	/*storage of AU fragments (for MPEG-4 visual resync marker (video packets), located in stbl.*/
	GF_ISOM_BOX_TYPE_STSF	=  GF_4CC( 'S', 'T', 'S', 'F' ),
	/*base constructor of all hint formats (currently only RTP uses it)*/
	GF_ISOM_BOX_TYPE_GHNT	= GF_4CC( 'g', 'h', 'n', 't' ),
	/*for compatibility with old files hinted for DSS - needs special parsing*/
	GF_ISOM_BOX_TYPE_VOID	= GF_4CC( 'V', 'O', 'I', 'D' ),

	/*MS Smooth - these are actually UUID boxes*/
	GF_ISOM_BOX_UUID_PSSH	= GF_4CC( 'P', 'S', 'S', 'H' ),
	GF_ISOM_BOX_UUID_MSSM   = GF_4CC( 'M', 'S', 'S', 'M' ), /*Stream Manifest box*/
	GF_ISOM_BOX_UUID_TENC	= GF_4CC( 'T', 'E', 'N', 'C' ),
	GF_ISOM_BOX_UUID_TFRF	= GF_4CC( 'T', 'F', 'R', 'F' ),
	GF_ISOM_BOX_UUID_TFXD	= GF_4CC( 'T', 'F', 'X', 'D' ),

	GF_ISOM_BOX_TYPE_MP3	= GF_4CC( '.', 'm', 'p', '3' ),

	GF_ISOM_BOX_TYPE_TRIK	= GF_4CC( 't', 'r', 'i', 'k' ),
	GF_ISOM_BOX_TYPE_BLOC	= GF_4CC( 'b', 'l', 'o', 'c' ),
	GF_ISOM_BOX_TYPE_AINF	= GF_4CC( 'a', 'i', 'n', 'f' ),

	GF_ISOM_BOX_TYPE_UNKNOWN = GF_4CC( 'U', 'N', 'K', 'N' ),
};


typedef struct
{
	GF_ISOM_BOX
	/*note: the data is NEVER loaded to the mdat in this lib*/
	u64 dataSize;
	char *data;
} GF_MediaDataBox;

typedef struct
{
  u64 time;
  u64 moof_offset;
  u32 traf_number;
  u32 trun_number;
  u32 sample_number;
} GF_RandomAccessEntry;

typedef struct
{
  GF_ISOM_FULL_BOX
  u32 track_id;
  u8 traf_bits;
  u8 trun_bits;
  u8 sample_bits;
  u32 nb_entries;
  GF_RandomAccessEntry *entries;
} GF_TrackFragmentRandomAccessBox;

typedef struct
{
  GF_ISOM_FULL_BOX
	u32 container_size;
} GF_MovieFragmentRandomAccessOffsetBox;

typedef struct
{
  GF_ISOM_BOX
  GF_List* tfra_list;
  GF_MovieFragmentRandomAccessOffsetBox *mfro;
} GF_MovieFragmentRandomAccessBox;

typedef struct
{
	GF_ISOM_BOX
	char *data;
	u32 dataSize;
	u32 original_4cc;
} GF_UnknownBox;

typedef struct
{
	GF_ISOM_UUID_BOX
	char *data;
	u32 dataSize;
} GF_UnknownUUIDBox;

u32 gf_isom_solve_uuid_box(char *UUID);

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 creationTime;
	u64 modificationTime;
	u32 timeScale;
	u64 duration;
	u64 original_duration;
	u32 nextTrackID;
	u32 preferredRate;
	u16 preferredVolume;
	char reserved[10];
	u32 matrixA;
	u32 matrixB;
	u32 matrixU;
	u32 matrixC;
	u32 matrixD;
	u32 matrixV;
	u32 matrixW;
	u32 matrixX;
	u32 matrixY;
	u32 previewTime;
	u32 previewDuration;
	u32 posterTime;
	u32 selectionTime;
	u32 selectionDuration;
	u32 currentTime;
} GF_MovieHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_Descriptor *descriptor;
} GF_ObjectDescriptorBox;

/*used for entry list*/
typedef struct
{
	u64 segmentDuration;
	s64 mediaTime;
	u32 mediaRate;
} GF_EdtsEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *entryList;
} GF_EditListBox;

typedef struct
{
	GF_ISOM_BOX
	GF_EditListBox *editList;
} GF_EditBox;


/*used to classify boxes in the UserData GF_Box*/
typedef struct
{
	u32 boxType;
	u8 uuid[16];
	GF_List *other_boxes;
} GF_UserDataMap;

typedef struct
{
	GF_ISOM_BOX
	GF_List *recordList;
} GF_UserDataBox;

typedef struct
{
	GF_ISOM_BOX
	GF_MovieHeaderBox *mvhd;
	GF_ObjectDescriptorBox *iods;
	GF_UserDataBox *udta;
#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
	struct __tag_mvex_box *mvex;
#endif
	/*meta box if any*/
	struct __tag_meta_box *meta;
	/*track boxes*/
	GF_List *trackList;

	GF_ISOFile *mov;

} GF_MovieBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 creationTime;
	u64 modificationTime;
	u32 trackID;
	u32 reserved1;
	u64 duration;
	u32 reserved2[2];
	u16 layer;
	u16 alternate_group;
	u16 volume;
	u16 reserved3;
	u32 matrix[9];
	u32 width, height;
} GF_TrackHeaderBox;

typedef struct
{
	GF_ISOM_BOX
} GF_TrackReferenceBox;


typedef struct {
	GF_ISOM_BOX
	GF_List *groups;
} GF_TrackGroupBox;

typedef struct {
	GF_ISOM_FULL_BOX
	u32 group_type;
	u32 track_group_id;
} GF_TrackGroupTypeBox;

typedef struct
{
	GF_ISOM_BOX
	GF_UserDataBox *udta;
	GF_TrackHeaderBox *Header;
	struct __tag_media_box *Media;
	GF_EditBox *editBox;
	GF_TrackReferenceBox *References;
	/*meta box if any*/
	struct __tag_meta_box *meta;
	GF_TrackGroupBox *groups;

	GF_MovieBox *moov;
	/*private for media padding*/
	u32 padding_bytes;
	/*private for editing*/
	char *name;
	/*private for editing*/
	Bool is_unpacked;
	/*private for checking dependency*/
	u32 originalFile;
	u32 originalID;

	//not sure about piff (not supposed to be stored in moov), but senc is in track according to CENC
	struct __sample_encryption_box *sample_encryption;

	/*private for SVC/MVC extractors resolution*/
	s32 extractor_mode;
	Bool has_base_layer;

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
	u64 dts_at_seg_start;
	u32 sample_count_at_seg_start;
	Bool first_traf_merged;
	Bool present_in_scalable_segment;
#endif
} GF_TrackBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 creationTime;
	u64 modificationTime;
	u32 timeScale;
	u64 duration, original_duration;
	char packedLanguage[4];
	u16 reserved;
} GF_MediaHeaderBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	u32 reserved1;
	u32 handlerType;
	u8 reserved2[12];
	char *nameUTF8;
	Bool store_counted_string;
} GF_HandlerBox;

typedef struct __tag_media_box
{
	GF_ISOM_BOX
	GF_TrackBox *mediaTrack;
	GF_MediaHeaderBox *mediaHeader;
	GF_HandlerBox *handler;
	struct __tag_media_info_box *information;
	u64 BytesMissing;
} GF_MediaBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	char *extended_language;
} GF_ExtendedLanguageBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 reserved;
} GF_VideoMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u16 balance;
	u16 reserved;
} GF_SoundMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	/*this is used for us INTERNALLY*/
	u32 subType;
	u32 maxPDUSize;
	u32 avgPDUSize;
	u32 maxBitrate;
	u32 avgBitrate;
	u32 slidingAverageBitrate;
} GF_HintMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_MPEGMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_SubtitleMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_ODMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_OCRMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_SceneMediaHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
} GF_DataReferenceBox;

typedef struct
{
	GF_ISOM_BOX
	GF_DataReferenceBox *dref;
} GF_DataInformationBox;

#define GF_ISOM_DATAENTRY_FIELDS	\
	char *location;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_ISOM_DATAENTRY_FIELDS
} GF_DataEntryBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_ISOM_DATAENTRY_FIELDS
} GF_DataEntryURLBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_ISOM_DATAENTRY_FIELDS
	char *nameURN;
} GF_DataEntryURNBox;

typedef struct
{
	u32 sampleCount;
	u32 sampleDelta;
} GF_SttsEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_SttsEntry *entries;
	u32 nb_entries, alloc_size;

#ifndef GPAC_DISABLE_ISOM_WRITE
	/*cache for WRITE*/
	u32 w_currentSampleNum;
	u64 w_LastDTS;
#endif
	/*cache for READ*/
	u32 r_FirstSampleInEntry;
	u32 r_currentEntryIndex;
	u64 r_CurrentDTS;
} GF_TimeToSampleBox;


/*TO CHECK - it could be reasonnable to only use 16bits for both count and offset*/
typedef struct
{
	u32 sampleCount;
	s32 decodingOffset;
} GF_DttsEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_DttsEntry *entries;
	u32 nb_entries, alloc_size;

#ifndef GPAC_DISABLE_ISOM_WRITE
	u32 w_LastSampleNumber;
	/*force one sample per entry*/
	Bool unpack_mode;
#endif
	/*Cache for read*/
	u32 r_currentEntryIndex;
	u32 r_FirstSampleInEntry;
} GF_CompositionOffsetBox;


typedef struct
{
	u32 SampleNumber;
	u32 fragmentCount;
	u16 *fragmentSizes;
} GF_StsfEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *entryList;
#ifndef GPAC_DISABLE_ISOM_WRITE
	/*Cache for write*/
	GF_StsfEntry *w_currentEntry;
	u32 w_currentEntryIndex;
#endif
	/*Cache for read*/
	u32 r_currentEntryIndex;
	GF_StsfEntry *r_currentEntry;
} GF_SampleFragmentBox;


#define GF_ISOM_SAMPLE_ENTRY_FIELDS		\
	GF_ISOM_UUID_BOX					\
	u16 dataReferenceIndex;				\
	char reserved[ 6 ];					\
	u32 internal_type;					\
	GF_List *protections;

/*base sample entry box (never used but for typecasting)*/
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
} GF_SampleEntryBox;

void gf_isom_sample_entry_init(GF_SampleEntryBox *ptr);
void gf_isom_sample_entry_predestroy(GF_SampleEntryBox *ptr);
GF_Err gf_isom_base_sample_entry_read(GF_SampleEntryBox *ptr, GF_BitStream *bs);

typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	/*box type as specified in the file (not this box's type!!)*/
	u32 EntryType;

	char *data;
	u32 data_size;
} GF_GenericSampleEntryBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_ESD *desc;
} GF_ESDBox;

typedef struct
{
	GF_ISOM_BOX
	u32 bufferSizeDB;
	u32 maxBitrate;
	u32 avgBitrate;
} GF_BitRateBox;

GF_BitRateBox *gf_isom_sample_entry_get_bitrate(GF_SampleEntryBox *ent, Bool create);

typedef struct
{
	GF_ISOM_BOX
	GF_List *descriptors;
} GF_MPEG4ExtensionDescriptorsBox;

/*for most MPEG4 media */
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	GF_ESDBox *esd;
	/*used for hinting when extracting the OD stream...*/
	GF_SLConfig *slc;
} GF_MPEGSampleEntryBox;

typedef struct
{
	GF_ISOM_BOX
	char *hdr;
	u32 hdr_size;
} GF_LASERConfigurationBox;


typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS

	GF_LASERConfigurationBox *lsr_config;
	GF_MPEG4ExtensionDescriptorsBox *descr;

	/*used for hinting when extracting the OD stream...*/
	GF_SLConfig *slc;
} GF_LASeRSampleEntryBox;

/*rewrites avcC based on the given esd - this destroys the esd*/
GF_Err LSR_UpdateESD(GF_LASeRSampleEntryBox *lsr, GF_ESD *esd);

typedef struct
{
	GF_ISOM_BOX
	u32 hSpacing;
	u32 vSpacing;
} GF_PixelAspectRatioBox;

typedef struct
{
	GF_ISOM_BOX
	u32 cleanApertureWidthN;
	u32 cleanApertureWidthD;
	u32 cleanApertureHeightN;
	u32 cleanApertureHeightD;
	u32 horizOffN;
	u32 horizOffD;
	u32 vertOffN;
	u32 vertOffD;
} GF_CleanAppertureBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	Bool all_ref_pics_intra;
	Bool intra_pred_used;
	u32 max_ref_per_pic;
	u32 reserved;
} GF_CodingConstraintsBox;

typedef struct
{
	GF_ISOM_BOX
	u16 predefined_rvc_config;
	u32 rvc_meta_idx;
} GF_RVCConfigurationBox;

enum
{
	GF_ISOM_SAMPLE_ENTRY_UNKN = 0,
	GF_ISOM_SAMPLE_ENTRY_VIDEO = GF_4CC('v','i','d','e'),
	GF_ISOM_SAMPLE_ENTRY_AUDIO = GF_4CC('a','u','d','i')
};

#define GF_ISOM_VISUAL_SAMPLE_ENTRY		\
	GF_ISOM_SAMPLE_ENTRY_FIELDS			\
	u16 version;						\
	u16 revision;						\
	u32 vendor;							\
	u32 temporal_quality;				\
	u32 spatial_quality;				\
	u16 Width, Height;					\
	u32 horiz_res, vert_res;			\
	u32 entry_data_size;				\
	u16 frames_per_sample;				\
	char compressor_name[33];			\
	u16 bit_depth;						\
	s16 color_table_index;				\
	GF_PixelAspectRatioBox *pasp;		\
	GF_CleanAppertureBox *clap;		\
	struct __tag_protect_box *rinf;				\
	GF_RVCConfigurationBox *rvcc;		\
 
typedef struct
{
	GF_ISOM_VISUAL_SAMPLE_ENTRY
} GF_VisualSampleEntryBox;

void gf_isom_video_sample_entry_init(GF_VisualSampleEntryBox *ent);
GF_Err gf_isom_video_sample_entry_read(GF_VisualSampleEntryBox *ptr, GF_BitStream *bs);
#ifndef GPAC_DISABLE_ISOM_WRITE
void gf_isom_video_sample_entry_write(GF_VisualSampleEntryBox *ent, GF_BitStream *bs);
void gf_isom_video_sample_entry_size(GF_VisualSampleEntryBox *ent);
#endif

void gf_isom_sample_entry_predestroy(GF_SampleEntryBox *ptr);

typedef struct
{
	GF_ISOM_BOX
	GF_AVCConfig *config;
} GF_AVCConfigurationBox;

typedef struct
{
	GF_ISOM_BOX
	GF_HEVCConfig *config;
} GF_HEVCConfigurationBox;

typedef struct
{
	GF_ISOM_BOX
	GF_3GPConfig cfg;
} GF_3GPPConfigBox;

typedef struct
{
	GF_ISOM_VISUAL_SAMPLE_ENTRY
	GF_ESDBox *esd;
	/*used for Publishing*/
	GF_SLConfig *slc;

	/*avc extensions - we merged with regular 'mp4v' box to handle isma E&A signaling of AVC*/
	GF_AVCConfigurationBox *avc_config;
	GF_AVCConfigurationBox *svc_config;
	GF_AVCConfigurationBox *mvc_config;
	/*hevc extension*/
	GF_HEVCConfigurationBox *hevc_config;
	GF_HEVCConfigurationBox *lhvc_config;

	/*ext descriptors*/
	GF_MPEG4ExtensionDescriptorsBox *descr;
	/*internally emulated esd*/
	GF_ESD *emul_esd;

	//3GPP
	GF_3GPPConfigBox *cfg_3gpp;

	/*iPod's hack*/
	GF_UnknownUUIDBox *ipod_ext;

} GF_MPEGVisualSampleEntryBox;

static const u8 GF_ISOM_IPOD_EXT[][16] = { { 0x6B, 0x68, 0x40, 0xF2, 0x5F, 0x24, 0x4F, 0xC5, 0xBA, 0x39, 0xA5, 0x1B, 0xCF, 0x03, 0x23, 0xF3} };

Bool gf_isom_is_nalu_based_entry(GF_MediaBox *mdia, GF_SampleEntryBox *_entry);
GF_Err gf_isom_nalu_sample_rewrite(GF_MediaBox *mdia, GF_ISOSample *sample, u32 sampleNumber, GF_MPEGVisualSampleEntryBox *entry);

/*this is the default visual sdst (to handle unknown media)*/
typedef struct
{
	GF_ISOM_VISUAL_SAMPLE_ENTRY
	/*box type as specified in the file (not this box's type!!)*/
	u32 EntryType;
	/*opaque description data (ESDS in MP4, SMI in SVQ3, ...)*/
	char *data;
	u32 data_size;
} GF_GenericVisualSampleEntryBox;


#define GF_ISOM_AUDIO_SAMPLE_ENTRY	\
	GF_ISOM_SAMPLE_ENTRY_FIELDS		\
	u16 version;					\
	u16 revision;					\
	u32 vendor;						\
	u16 channel_count;				\
	u16 bitspersample;				\
	u16 compression_id;				\
	u16 packet_size;				\
	u16 samplerate_hi;				\
	u16 samplerate_lo;				\
	u8 extensions[36];				\
 

typedef struct
{
	GF_ISOM_AUDIO_SAMPLE_ENTRY
} GF_AudioSampleEntryBox;

void gf_isom_audio_sample_entry_init(GF_AudioSampleEntryBox *ptr);
GF_Err gf_isom_audio_sample_entry_read(GF_AudioSampleEntryBox *ptr, GF_BitStream *bs);
#ifndef GPAC_DISABLE_ISOM_WRITE
void gf_isom_audio_sample_entry_write(GF_AudioSampleEntryBox *ptr, GF_BitStream *bs);
void gf_isom_audio_sample_entry_size(GF_AudioSampleEntryBox *ptr);
#endif

typedef struct
{
	GF_ISOM_BOX
	GF_AC3Config cfg;
} GF_AC3ConfigBox;

typedef struct
{
	GF_ISOM_AUDIO_SAMPLE_ENTRY
	//for MPEG4 audio
	GF_ESDBox *esd;
	GF_SLConfig *slc;
	//for 3GPP audio
	GF_3GPPConfigBox *cfg_3gpp;

	//for AC3/EC3 audio
	GF_AC3ConfigBox *cfg_ac3;
} GF_MPEGAudioSampleEntryBox;

/*this is the default visual sdst (to handle unknown media)*/
typedef struct
{
	GF_ISOM_AUDIO_SAMPLE_ENTRY
	/*box type as specified in the file (not this box's type!!)*/
	u32 EntryType;
	/*opaque description data (ESDS in MP4, ...)*/
	char *data;
	u32 data_size;
} GF_GenericAudioSampleEntryBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	u8 profile;
	u8 level;
	u8 pathComponents;
	Bool fullRequestHost;
	Bool streamType;
	u8 containsRedundant;
	char *textEncoding;
	char *contentEncoding;
} GF_DIMSSceneConfigBox;

typedef struct
{
	GF_ISOM_BOX
	char *content_script_types;
} GF_DIMSScriptTypesBox;

typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	GF_DIMSSceneConfigBox *config;
	GF_DIMSScriptTypesBox *scripts;
} GF_DIMSSampleEntryBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	char *config;
} GF_TextConfigBox;

/*base metadata sample entry box for METT, METX, SBTT, STXT and STPP*/
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	char *content_encoding;	//optional
	char *mime_type; //for anything except metx
	char *xml_namespace;	//for metx and sttp only
	char *xml_schema_loc;	// for metx and sttp only
	GF_TextConfigBox *config; //optional for anything except metx and sttp
} GF_MetaDataSampleEntryBox;


typedef struct
{
	GF_ISOM_FULL_BOX
} GF_SampleDescriptionBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	/*if this is the compact version, sample size is actually fieldSize*/
	u32 sampleSize;
	u32 sampleCount;
	u32 alloc_size;
	u32 *sizes;
} GF_SampleSizeBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 nb_entries;
	u32 alloc_size;
	u32 *offsets;
} GF_ChunkOffsetBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 nb_entries;
	u32 alloc_size;
	u64 *offsets;
} GF_ChunkLargeOffsetBox;

typedef struct
{
	u32 firstChunk;
	u32 nextChunk;
	u32 samplesPerChunk;
	u32 sampleDescriptionIndex;
	u8 isEdited;
} GF_StscEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_StscEntry *entries;
	u32 alloc_size, nb_entries;

	/*0-based cache for READ. In WRITE mode, we always have 1 sample per chunk so no need for a cache*/
	u32 currentIndex;
	/*first sample number in this chunk*/
	u32 firstSampleInCurrentChunk;
	u32 currentChunk;
	u32 ghostNumber;
} GF_SampleToChunkBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 alloc_size, nb_entries;
	u32 *sampleNumbers;
	/*cache for READ mode (in write we realloc no matter what)*/
	u32 r_LastSyncSample;
	/*0-based index in the array*/
	u32 r_LastSampleIndex;
} GF_SyncSampleBox;

typedef struct
{
	u32 shadowedSampleNumber;
	s32 syncSampleNumber;
} GF_StshEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *entries;
	/*Cache for read mode*/
	u32 r_LastEntryIndex;
	u32 r_LastFoundSample;
} GF_ShadowSyncBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 nb_entries;
	u16 *priorities;
} GF_DegradationPriorityBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 SampleCount;
	u8 *padbits;
} GF_PaddingBitsBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 sampleCount;
	/*each dep type is packed on 1 byte*/
	u8 *sample_info;
} GF_SampleDependencyTypeBox;


typedef struct
{
	u32 subsample_size;
	u8 subsample_priority;
	u8 discardable;
	u32 reserved;
} GF_SubSampleEntry;

typedef struct
{
	u32 sample_delta;
	GF_List *SubSamples;
} GF_SubSampleInfoEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *Samples;
} GF_SubSampleInformationBox;

Bool gf_isom_get_subsample_types(GF_ISOFile *movie, u32 track, u32 subs_index, u32 *flags);
u32  gf_isom_sample_get_subsample_entry(GF_ISOFile *movie, u32 track, u32 sampleNumber, u32 entry_index, GF_SubSampleInfoEntry **sub_sample);
#ifndef GPAC_DISABLE_ISOM_WRITE
GF_Err gf_isom_add_subsample_info(GF_SubSampleInformationBox *sub_samples, u32 sampleNumber, u32 subSampleSize, u8 priority, u32 reserved, Bool discardable);
#endif

/* Use to relate the composition and decoding timeline when signed composition is used*/
typedef struct
{
	GF_ISOM_FULL_BOX

	s32 compositionToDTSShift;
	s32 leastDecodeToDisplayDelta;
	s32 greatestDecodeToDisplayDelta;
	s32 compositionStartTime;
	s32 compositionEndTime;
} GF_CompositionToDecodeBox;

typedef struct
{
	GF_ISOM_FULL_BOX

	u32 aux_info_type;
	u32 aux_info_type_parameter;

	u8 default_sample_info_size;
	u32 sample_count;
	u8 *sample_info_size;
} GF_SampleAuxiliaryInfoSizeBox;

typedef struct
{
	GF_ISOM_FULL_BOX

	u32 aux_info_type;
	u32 aux_info_type_parameter;

	u8 default_sample_info_size;
	u32 entry_count;  //1 or stco / trun count
	u32 *offsets;
	u64 *offsets_large;

	u64 offset_first_offset_field;
} GF_SampleAuxiliaryInfoOffsetBox;


typedef struct
{
	GF_ISOM_BOX
	GF_TimeToSampleBox *TimeToSample;
	GF_CompositionOffsetBox *CompositionOffset;
	GF_CompositionToDecodeBox *CompositionToDecode;
	GF_SyncSampleBox *SyncSample;
	GF_SampleDescriptionBox *SampleDescription;
	GF_SampleSizeBox *SampleSize;
	GF_SampleToChunkBox *SampleToChunk;
	/*untyped, to handle 32 bits and 64 bits chunkOffsets*/
	GF_Box *ChunkOffset;
	GF_ShadowSyncBox *ShadowSync;
	GF_DegradationPriorityBox *DegradationPriority;
	GF_PaddingBitsBox *PaddingBits;
	GF_SampleDependencyTypeBox *SampleDep;
	GF_SampleFragmentBox *Fragments;

//	GF_SubSampleInformationBox *SubSamples;
	GF_List *sub_samples;

	GF_List *sampleGroups;
	GF_List *sampleGroupsDescription;
	u32 nb_sgpd_in_stbl;
	u32 nb_other_boxes_in_stbl;

	GF_List *sai_sizes;
	GF_List *sai_offsets;

	u32 MaxSamplePerChunk;
	u16 groupID;
	u16 trackPriority;
	u32 currentEntryIndex;

	Bool no_sync_found;
} GF_SampleTableBox;

typedef struct __tag_media_info_box
{
	GF_ISOM_BOX
	GF_DataInformationBox *dataInformation;
	GF_SampleTableBox *sampleTable;
	GF_Box *InfoHeader;
	struct __tag_data_map *scalableDataHandler;
	struct __tag_data_map *dataHandler;
	u32 dataEntryIndex;
} GF_MediaInformationBox;

GF_Err stbl_AppendDependencyType(GF_SampleTableBox *stbl, u32 isLeading, u32 dependsOn, u32 dependedOn, u32 redundant);

typedef struct
{
	GF_ISOM_BOX
	char *data;
	u32 dataSize;
	u32 original_4cc;
} GF_FreeSpaceBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	char packedLanguageCode[4];
	char *notice;
} GF_CopyrightBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	char *schemeURI;
	char *value;
} GF_KindBox;


typedef struct
{
	char *name;
	u64 start_time;
} GF_ChapterEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *list;
} GF_ChapterListBox;

typedef struct
{
	GF_ISOM_BOX
	u32 reference_type;
	u32 trackIDCount;
	u32 *trackIDs;
} GF_TrackReferenceTypeBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 grouping_type;
	u32 group_id;
	u32 entity_id_count;
	u32 *entity_ids;
} GF_EntityToGroupTypeBox;

typedef struct
{
	GF_ISOM_BOX
	u32 majorBrand;
	u32 minorVersion;
	u32 altCount;
	u32 *altBrand;
} GF_FileTypeBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 *rates;
	u32 *times;
	u32 count;
} GF_ProgressiveDownloadBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 switch_group;
	u32 alternate_group;
	u32 sub_track_id;
	u64 attribute_count;
	u32 *attribute_list;
} GF_SubTrackInformationBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 grouping_type;
	u16 nb_groups;
	u32 *group_description_index;
} GF_SubTrackSampleGroupBox;

typedef struct
{
	GF_ISOM_BOX
	GF_SubTrackInformationBox *info;
	GF_Box *strd;
} GF_SubTrackBox;

/*
	3GPP streaming text boxes
*/

typedef struct
{
	GF_ISOM_BOX
	u32 entry_count;
	GF_FontRecord *fonts;
} GF_FontTableBox;

typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS				\
	u32 displayFlags;
	s8 horizontal_justification;
	s8 vertical_justification;
	/*ARGB*/
	u32 back_color;
	GF_BoxRecord default_box;
	GF_StyleRecord	default_style;
	GF_FontTableBox *font_table;
} GF_Tx3gSampleEntryBox;

/*Apple specific*/
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS				\
	u32 displayFlags;
	u32 textJustification;
	char background_color[6], foreground_color[6];
	GF_BoxRecord default_box;
	u16 fontNumber;
	u16 fontFace;
	char reserved1[8];
	u8 reserved2;
	u16 reserved3;
	char *textName; /*font name*/
} GF_TextSampleEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 entry_count;
	GF_StyleRecord *styles;
} GF_TextStyleBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset;
} GF_TextHighlightBox;

typedef struct
{
	GF_ISOM_BOX
	/*ARGB*/
	u32 hil_color;
} GF_TextHighlightColorBox;

typedef struct
{
	u32 highlight_endtime;
	u16 start_charoffset;
	u16 end_charoffset;
} KaraokeRecord;

typedef struct
{
	GF_ISOM_BOX
	u32 highlight_starttime;
	u16 nb_entries;
	KaraokeRecord *records;
} GF_TextKaraokeBox;

typedef struct
{
	GF_ISOM_BOX
	u32 scroll_delay;
} GF_TextScrollDelayBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset;
	char *URL;
	char *URL_hint;
} GF_TextHyperTextBox;

typedef struct
{
	GF_ISOM_BOX
	GF_BoxRecord box;
} GF_TextBoxBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset;
} GF_TextBlinkBox;

typedef struct
{
	GF_ISOM_BOX
	u8 wrap_flag;
} GF_TextWrapBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 switchGroup;
	u32 *attributeList;
	u32 attributeListCount;
} GF_TrackSelectionBox;

/*
	MPEG-21 extensions
*/
typedef struct
{
	GF_ISOM_FULL_BOX
	char *xml;
} GF_XMLBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 data_length;
	char *data;
} GF_BinaryXMLBox;

typedef struct
{
	u64 extent_offset;
	u64 extent_length;
	u64 extent_index;
#ifndef GPAC_DISABLE_ISOM_WRITE
	/*for storage only*/
	u64 original_extent_offset;
#endif
} GF_ItemExtentEntry;

typedef struct
{
	u16 item_ID;
	u16 construction_method;
	u16 data_reference_index;
	u64 base_offset;
#ifndef GPAC_DISABLE_ISOM_WRITE
	/*for storage only*/
	u64 original_base_offset;
#endif
	GF_List *extent_entries;
} GF_ItemLocationEntry;

void iloc_entry_del(GF_ItemLocationEntry *location);

typedef struct
{
	GF_ISOM_FULL_BOX
	u8 offset_size;
	u8 length_size;
	u8 base_offset_size;
	u8 index_size;
	GF_List *location_entries;
} GF_ItemLocationBox;

typedef	struct
{
	GF_ISOM_FULL_BOX
	u16 item_ID;
} GF_PrimaryItemBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *protection_information;
} GF_ItemProtectionBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u16 item_ID;
	u16 item_protection_index;
	u32 item_type;
	/*zero-terminated strings*/
	char *item_name;
	char *content_type;
	char *content_encoding;
	// needed to actually read the resource file, but not written in the MP21 file.
	char *full_path;
	// if not 0, full_path is actually the data to write.
	u32 data_len;
} GF_ItemInfoEntryBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *item_infos;
} GF_ItemInfoBox;

typedef struct
{
	GF_ISOM_BOX
	u32 reference_type;
	u32 from_item_id;
	u32 reference_count;
	u32 *to_item_IDs;
} GF_ItemReferenceTypeBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *references;
} GF_ItemReferenceBox;

typedef struct
{
	GF_ISOM_BOX
	u32 data_format;
} GF_OriginalFormatBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 scheme_type;
	u32 scheme_version;
	char *URI;
} GF_SchemeTypeBox;

/*ISMACryp specific*/
typedef struct
{
	GF_ISOM_FULL_BOX
	/*zero-terminated string*/
	char *URI;
} GF_ISMAKMSBox;

/*ISMACryp specific*/
typedef struct
{
	GF_ISOM_BOX
	u64 salt;
} GF_ISMACrypSaltBox;

/*ISMACryp specific*/
typedef struct __isma_format_box
{
	GF_ISOM_FULL_BOX
	u8 selective_encryption;
	u8 key_indicator_length;
	u8 IV_length;
} GF_ISMASampleFormatBox;

typedef struct
{
	GF_ISOM_BOX
	GF_ISMAKMSBox *ikms;
	GF_ISMASampleFormatBox *isfm;
	GF_ISMACrypSaltBox *islt;
	struct __oma_kms_box *odkm;
	struct __cenc_tenc_box *tenc;
	struct __piff_tenc_box *piff_tenc;
	struct __adobe_drm_key_management_system_box *adkm;
} GF_SchemeInformationBox;

typedef struct __tag_protect_box
{
	GF_ISOM_BOX
	GF_OriginalFormatBox *original_format;
	GF_SchemeTypeBox *scheme_type;
	GF_SchemeInformationBox *info;
} GF_ProtectionSchemeInfoBox;
typedef struct __tag_protect_box GF_RestrictedSchemeInfoBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *descriptors;
} GF_IPMPInfoBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_IPMP_ToolList *ipmp_tools;
	GF_List *descriptors;
} GF_IPMPControlBox;

typedef struct {
	GF_ISOM_BOX
} GF_ItemPropertyContainerBox;

typedef struct {
	GF_ISOM_BOX
	GF_ItemPropertyContainerBox *property_container;
} GF_ItemPropertiesBox;

typedef struct {
	GF_ISOM_BOX
} GF_GroupListBox;

typedef struct __tag_meta_box
{
	GF_ISOM_FULL_BOX
	GF_HandlerBox *handler;
	GF_PrimaryItemBox *primary_resource;
	GF_DataInformationBox *file_locations;
	GF_ItemLocationBox *item_locations;
	GF_ItemProtectionBox *protections;
	GF_ItemInfoBox *item_infos;
	GF_IPMPControlBox *IPMP_control;
	GF_ItemPropertiesBox *item_props;
	GF_ItemReferenceBox *item_refs;
} GF_MetaBox;

typedef struct
{
	GF_ISOM_FULL_BOX

	u32 single_view_allowed;
	u32 stereo_scheme;
	u32 sit_len;
	char *stereo_indication_type;
} GF_StereoVideoBox;

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS

/*V2 boxes - Movie Fragments*/

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 fragment_duration;
} GF_MovieExtendsHeaderBox;


typedef struct __tag_mvex_box
{
	GF_ISOM_BOX
	GF_List *TrackExList;
	GF_List *TrackExPropList;
	GF_MovieExtendsHeaderBox *mehd;
	GF_ISOFile *mov;
} GF_MovieExtendsBox;

/*the TrackExtends contains default values for the track fragments*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 trackID;
	u32 def_sample_desc_index;
	u32 def_sample_duration;
	u32 def_sample_size;
	u32 def_sample_flags;
	GF_TrackBox *track;
} GF_TrackExtendsBox;

/*the TrackExtends contains default values for the track fragments*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 trackID;
} GF_TrackExtensionPropertiesBox;

/*indicates the seq num of this fragment*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 sequence_number;
} GF_MovieFragmentHeaderBox;

/*MovieFragment is a container IN THE FILE, contains 1 fragment*/
typedef struct
{
	GF_ISOM_BOX
	GF_MovieFragmentHeaderBox *mfhd;
	GF_List *TrackList;
	GF_ISOFile *mov;
	/*offset in the file of moof or mdat (whichever comes first) for this fragment*/
	u64 fragment_offset;
	u32 mdat_size;
	char *mdat;

	//temp storage of prft box
	u32 reference_track_ID;
	u64 ntp, timestamp;
} GF_MovieFragmentBox;


/*FLAGS for TRAF*/
enum
{
	GF_ISOM_TRAF_BASE_OFFSET	=	0x01,
	GF_ISOM_TRAF_SAMPLE_DESC	=	0x02,
	GF_ISOM_TRAF_SAMPLE_DUR	=	0x08,
	GF_ISOM_TRAF_SAMPLE_SIZE	=	0x10,
	GF_ISOM_TRAF_SAMPLE_FLAGS	=	0x20,
	GF_ISOM_TRAF_DUR_EMPTY	=	0x10000,
	GF_ISOM_MOOF_BASE_OFFSET	=	0x20000,
};

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 trackID;
	/* all the following are optional fields */
	u64 base_data_offset;
	u32 sample_desc_index;
	u32 def_sample_duration;
	u32 def_sample_size;
	u32 def_sample_flags;
	u32 EmptyDuration;
	u8 IFrameSwitching;
} GF_TrackFragmentHeaderBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	u64 baseMediaDecodeTime;
} GF_TFBaseMediaDecodeTimeBox;

typedef struct
{
	GF_ISOM_BOX
	GF_TrackFragmentHeaderBox *tfhd;
	GF_List *TrackRuns;
	/*keep a pointer to default flags*/
	GF_TrackExtendsBox *trex;
	GF_SampleDependencyTypeBox *sdtp;

//	GF_SubSampleInformationBox *subs;
	GF_List *sub_samples;

	GF_List *sampleGroups;
	GF_List *sampleGroupsDescription;

	GF_List *sai_sizes;
	GF_List *sai_offsets;

	//can be senc or PIFF psec
	struct __sample_encryption_box *sample_encryption;
	struct __traf_mss_timeext_box *tfxd; /*similar to PRFT but for Smooth Streaming*/

	/*when data caching is on*/
	u32 DataCache;
	GF_TFBaseMediaDecodeTimeBox *tfdt;

	u64 moof_start_in_bs;
} GF_TrackFragmentBox;

/*FLAGS for TRUN : specify what is written in the SampleTable of TRUN*/
enum
{
	GF_ISOM_TRUN_DATA_OFFSET	= 0x01,
	GF_ISOM_TRUN_FIRST_FLAG		= 0x04,
	GF_ISOM_TRUN_DURATION		= 0x100,
	GF_ISOM_TRUN_SIZE			= 0x200,
	GF_ISOM_TRUN_FLAGS			= 0x400,
	GF_ISOM_TRUN_CTS_OFFSET		= 0x800
};

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 sample_count;
	/*the following are optional fields */
	s32 data_offset; /* unsigned for version 0 */
	u32 first_sample_flags;
	/*can be empty*/
	GF_List *entries;

	/*in write mode with data caching*/
	GF_BitStream *cache;
} GF_TrackFragmentRunBox;

typedef struct
{
	u32 Duration;
	u32 size;
	u32 flags;
	s32 CTS_Offset;

	/*internal*/
	u32 SAP_type;
} GF_TrunEntry;

typedef struct
{
	GF_ISOM_BOX
	u32 majorBrand;
	u32 minorVersion;
	u32 altCount;
	u32 *altBrand;
} GF_SegmentTypeBox;

#endif /*GPAC_DISABLE_ISOM_FRAGMENTS*/


/*RTP Hint Track Sample Entry*/
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	u16 HintTrackVersion;
	u16 LastCompatibleVersion;
	u32 MaxPacketSize;
//	GF_List *HintDataTable;
	/*this is where we store the current RTP sample in read/write mode*/
	struct __tag_hint_sample *hint_sample;
	/*current hint sample in read mode, 1-based (0 is reset)*/
	u32 cur_sample;
	u32 pck_sn, ts_offset, ssrc;
	GF_TrackReferenceTypeBox *hint_ref;

	//for FEC
	u16 partition_entry_ID, FEC_overhead;
} GF_HintSampleEntryBox;


typedef struct
{
	GF_ISOM_BOX
	u32 subType;
	char *sdpText;
} GF_RTPBox;

typedef struct
{
	GF_ISOM_BOX
	char *sdpText;
} GF_SDPBox;

typedef struct
{
	GF_ISOM_BOX
	s32 timeOffset;
} GF_RTPOBox;

typedef struct
{
	GF_ISOM_BOX
	/*contains GF_SDPBox if in track, GF_RTPBox if in movie*/
	GF_Box *SDP;
} GF_HintTrackInfoBox;

typedef struct
{
	GF_ISOM_BOX
	u8 reserved;
	u8 prefered;
	u8 required;
} GF_RelyHintBox;

/***********************************************************
			data entry tables for RTP
***********************************************************/
typedef struct
{
	GF_ISOM_BOX
	u32 timeScale;
} GF_TSHintEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 TimeOffset;
} GF_TimeOffHintEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 SeqOffset;
} GF_SeqOffHintEntryBox;



/***********************************************************
			hint track information boxes for RTP
***********************************************************/

/*Total number of bytes that will be sent, including 12-byte RTP headers, but not including any network headers*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_TRPYBox;

/*32-bits version of trpy used in Darwin*/
typedef struct
{
	GF_ISOM_BOX
	u32 nbBytes;
} GF_TOTLBox;

/*Total number of network packets that will be sent*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbPackets;
} GF_NUMPBox;

/*32-bits version of nump used in Darwin*/
typedef struct
{
	GF_ISOM_BOX
	u32 nbPackets;
} GF_NPCKBox;


/*Total number of bytes that will be sent, not including 12-byte RTP headers*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_NTYLBox;

/*32-bits version of tpyl used in Darwin*/
typedef struct
{
	GF_ISOM_BOX
	u32 nbBytes;
} GF_TPAYBox;

/*Maximum data rate in bits per second.*/
typedef struct
{
	GF_ISOM_BOX
	u32 granularity;
	u32 maxDataRate;
} GF_MAXRBox;


/*Total number of bytes from the media track to be sent*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_DMEDBox;

/*Number of bytes of immediate data to be sent*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_DIMMBox;


/*Number of bytes of repeated data to be sent*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_DREPBox;

/*Smallest relative transmission time, in milliseconds. signed integer for smoothing*/
typedef struct
{
	GF_ISOM_BOX
	s32 minTime;
} GF_TMINBox;

/*Largest relative transmission time, in milliseconds.*/
typedef struct
{
	GF_ISOM_BOX
	s32 maxTime;
} GF_TMAXBox;

/*Largest packet, in bytes, including 12-byte RTP header*/
typedef struct
{
	GF_ISOM_BOX
	u32 maxSize;
} GF_PMAXBox;

/*Longest packet duration, in milliseconds*/
typedef struct
{
	GF_ISOM_BOX
	u32 maxDur;
} GF_DMAXBox;

/*32-bit payload type number, followed by rtpmap payload string */
typedef struct
{
	GF_ISOM_BOX
	u32 payloadCode;
	char *payloadString;
} GF_PAYTBox;


typedef struct
{
	GF_ISOM_BOX
	char *string;
} GF_NameBox;

typedef struct
{
	GF_ISOM_BOX
} GF_HintInfoBox;

typedef struct
{
	GF_ISOM_BOX
	u8 timestamp_sync;
} GF_TimeStampSynchronyBox;

typedef struct
{
	GF_ISOM_BOX
	u32 ssrc;
} GF_ReceivedSsrcBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	u32 encryption_algorithm_rtp;
	u32 encryption_algorithm_rtcp;
	u32 integrity_algorithm_rtp;
	u32 integrity_algorithm_rtcp;

	GF_SchemeTypeBox *scheme_type;
	GF_SchemeInformationBox *info;
} GF_SRTPProcessBox;

/*Apple extension*/

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 reserved;
	char *data;
	u32 dataSize;
} GF_DataBox;

typedef struct
{
	GF_ISOM_BOX
	GF_DataBox *data;
} GF_ListItemBox;

typedef struct
{
	GF_ISOM_BOX
} GF_ItemListBox;

/*DECE*/
typedef struct
{
	u8 pic_type;
	u8 dependency_level;
} GF_TrickPlayBoxEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 entry_count;
	GF_TrickPlayBoxEntry *entries;
} GF_TrickPlayBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u8  baseLocation[256];
	u8 basePurlLocation[256];
} GF_BaseLocationBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 profile_version;
	char *APID;
} GF_AssetInformationBox;

/*OMA (P)DCF extensions*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u8 EncryptionMethod;
	u8 PaddingScheme;
	u64 PlaintextLength;
	char *ContentID;
	char *RightsIssuerURL;
	char *TextualHeaders;
	u32 TextualHeadersLen;
} GF_OMADRMCommonHeaderBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u8 GKEncryptionMethod;
	char *GroupID;
	u16 GKLength;
	char *GroupKey;
} GF_OMADRMGroupIDBox;

typedef struct
{
	GF_ISOM_BOX
} GF_OMADRMMutableInformationBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	char TransactionID[16];
} GF_OMADRMTransactionTrackingBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	char *oma_ro;
	u32 oma_ro_size;
} GF_OMADRMRightsObjectBox;

/*identical*/
typedef struct __isma_format_box GF_OMADRMAUFormatBox;

typedef struct __oma_kms_box
{
	GF_ISOM_FULL_BOX
	GF_OMADRMCommonHeaderBox *hdr;
	GF_OMADRMAUFormatBox *fmt;
} GF_OMADRMKMSBox;


typedef struct
{
	Bool reference_type;
	u32 reference_size;
	u32 subsegment_duration;
	Bool starts_with_SAP;
	u32 SAP_type;
	u32 SAP_delta_time;
} GF_SIDXReference;

typedef struct __sidx_box
{
	GF_ISOM_FULL_BOX

	u32 reference_ID;
	u32 timescale;
	u64 earliest_presentation_time;
	u64 first_offset;
	u32 nb_refs;
	GF_SIDXReference *refs;
} GF_SegmentIndexBox;

typedef struct
{
	u32 range_count;
	u8 *levels;
	u32 *range_sizes;
} GF_Subsegment;

typedef struct __ssix_box
{
	GF_ISOM_FULL_BOX

	u32 subsegment_count;
	GF_Subsegment *subsegments;
} GF_SubsegmentIndexBox;

typedef struct
{
	u32 track_id;
	Bool padding_flag;
	u8 type;
	u32 grouping_type;
	u32 grouping_type_parameter;
	u32 sub_track_id;
} GF_LevelAssignment; 

typedef struct __leva_box
{
	GF_ISOM_FULL_BOX

	u32 level_count;
	GF_LevelAssignment *levels;
} GF_LevelAssignmentBox;

typedef struct __pcrInfo_box
{
	GF_ISOM_BOX
	u32	subsegment_count;
	u64 *pcr_values;
} GF_PcrInfoBox;

#ifndef GPAC_DISABLE_ISOM_ADOBE

/*Adobe specific boxes*/
typedef struct
{
	u64 time;
	u64 offset;
} GF_AfraEntry;

typedef struct
{
	u64 time;
	u32 segment;
	u32 fragment;
	u64 afra_offset;
	u64 offset_from_afra;
} GF_GlobalAfraEntry;

typedef struct __adobe_frag_random_access_box
{
	GF_ISOM_FULL_BOX
	Bool long_ids;
	Bool long_offsets;
	Bool global_entries;
	u8 reserved;
	u32 time_scale;
	u32 entry_count;
	GF_List *local_access_entries;
	u32 global_entry_count;
	GF_List *global_access_entries;
} GF_AdobeFragRandomAccessBox;

typedef struct __adobe_bootstrap_info_box
{
	GF_ISOM_FULL_BOX
	u32 bootstrapinfo_version;
	u8 profile;
	Bool live;
	Bool update;
	u8 reserved;
	u32 time_scale;
	u64 current_media_time;
	u64 smpte_time_code_offset;
	char *movie_identifier;
	u8 server_entry_count;
	GF_List *server_entry_table;
	u8 quality_entry_count;
	GF_List *quality_entry_table;
	char *drm_data;
	char *meta_data;
	u8 segment_run_table_count;
	GF_List *segment_run_table_entries;
	u8 fragment_run_table_count;
	GF_List *fragment_run_table_entries;
} GF_AdobeBootstrapInfoBox;

typedef struct
{
	u32 first_segment;
	u32 fragment_per_segment;
} GF_AdobeSegmentRunEntry;

typedef struct __adobe_segment_run_table_box
{
	GF_ISOM_FULL_BOX
	u8 quality_entry_count;
	GF_List *quality_segment_url_modifiers;
	u32 segment_run_entry_count;
	GF_List *segment_run_entry_table;
} GF_AdobeSegmentRunTableBox;

typedef struct
{
	u32 first_fragment;
	u64 first_fragment_timestamp;
	u32 fragment_duration;
	u8 discontinuity_indicator;
} GF_AdobeFragmentRunEntry;

typedef struct __adobe_fragment_run_table_box
{
	GF_ISOM_FULL_BOX
	u32 timescale;
	u8 quality_entry_count;
	GF_List *quality_segment_url_modifiers;
	u32 fragment_run_entry_count;
	GF_List *fragment_run_entry_table;
} GF_AdobeFragmentRunTableBox;

#endif /*GPAC_DISABLE_ISOM_ADOBE*/


/***********************************************************
			Sample Groups
***********************************************************/
typedef struct
{
	u32 sample_count;
	u32 group_description_index;
} GF_SampleGroupEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 grouping_type;
	u32 grouping_type_parameter;

	u32 entry_count;
	GF_SampleGroupEntry *sample_entries;

} GF_SampleGroupBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 grouping_type;
	u32 default_length;

	u32 default_description_index;
	GF_List *group_descriptions;
} GF_SampleGroupDescriptionBox;

/*default entry */
typedef struct
{
	u32 length;
	u8 *data;
} GF_DefaultSampleGroupDescriptionEntry;

/*VisualRandomAccessEntry - 'rap ' type*/
typedef struct
{
	u8 num_leading_samples_known;
	u8 num_leading_samples;
} GF_VisualRandomAccessEntry;

/*RollRecoveryEntry - 'roll' and prol type*/
typedef struct
{
	s16 roll_distance;
} GF_RollRecoveryEntry;

/*TemporalLevelEntry - 'tele' type*/
typedef struct
{
	Bool level_independently_decodable;
} GF_TemporalLevelEntry;

/*SAPEntry - 'sap ' type*/
typedef struct
{
	Bool dependent_flag;
	u8 SAP_type;
} GF_SAPEntry;


/*Operating Points Information - 'oinf' type*/
typedef struct
{
	u16 scalability_mask;
	GF_List* profile_tier_levels;
	GF_List* operating_points;
	GF_List* dependency_layers;
} GF_OperatingPointsInformation;

GF_OperatingPointsInformation *gf_isom_oinf_new_entry();
void gf_isom_oinf_del_entry(void *entry);
GF_Err gf_isom_oinf_read_entry(void *entry, GF_BitStream *bs);
GF_Err gf_isom_oinf_write_entry(void *entry, GF_BitStream *bs);
u32 gf_isom_oinf_size_entry(void *entry);
Bool gf_isom_get_oinf_info(GF_ISOFile *file, u32 trackNumber, GF_OperatingPointsInformation **ptr);


/*Operating Points Information - 'oinf' type*/
typedef struct
{
	u8 layer_id;
	u8 min_TemporalId;
	u8 max_TemporalId;
	u8 sub_layer_presence_flags;
} LHVCLayerInfoItem;

typedef struct
{
	GF_List* num_layers_in_track;
} GF_LHVCLayerInformation;

GF_LHVCLayerInformation *gf_isom_linf_new_entry();
void gf_isom_linf_del_entry(void *entry);
GF_Err gf_isom_linf_read_entry(void *entry, GF_BitStream *bs);
GF_Err gf_isom_linf_write_entry(void *entry, GF_BitStream *bs);
u32 gf_isom_linf_size_entry(void *entry);
Bool gf_isom_get_linf_info(GF_ISOFile *file, u32 trackNumber, GF_LHVCLayerInformation **ptr);


#define MAX_LHEVC_LAYERS	64

typedef struct
{
	u8 general_profile_space, general_tier_flag, general_profile_idc, general_level_idc;
	u32 general_profile_compatibility_flags;
	u64 general_constraint_indicator_flags;
} LHEVC_ProfileTierLevel;

typedef struct
{
	u8 ptl_idx;
	u8 layer_id;
	Bool is_outputlayer, is_alternate_outputlayer;
} LHEVC_LayerInfo;

typedef struct
{
	u16 output_layer_set_idx;
	u8 max_temporal_id;
	u8 layer_count;
	LHEVC_LayerInfo layers_info[MAX_LHEVC_LAYERS];
	u16 minPicWidth, minPicHeight, maxPicWidth, maxPicHeight;
	u8 maxChromaFormat, maxBitDepth;
	Bool frame_rate_info_flag, bit_rate_info_flag;
	u16 avgFrameRate;
	u8 constantFrameRate;
	u32 maxBitRate, avgBitRate;
} LHEVC_OperatingPoint;


typedef struct
{
	u8 dependent_layerID;
	u8 num_layers_dependent_on;
	u8 dependent_on_layerID[MAX_LHEVC_LAYERS];
	u8 dimension_identifier[16];
} LHEVC_DependentLayer;


/*
		CENC stuff
*/

/*CENCSampleEncryptionGroupEntry - 'seig' type*/
typedef struct
{
	u8 crypt_byte_block, skip_byte_block;
	u8 IsProtected;
	u8 Per_Sample_IV_size;
	bin128 KID;
	u8 constant_IV_size;
	bin128 constant_IV;
} GF_CENCSampleEncryptionGroupEntry;

typedef struct
{
	GF_ISOM_FULL_BOX

	bin128 SystemID;
	u32 KID_count;
	bin128 *KIDs;
	u32 private_data_size;
	u8 *private_data;
} GF_ProtectionSystemHeaderBox;

typedef struct __cenc_tenc_box
{
	GF_ISOM_FULL_BOX

	u8 crypt_byte_block, skip_byte_block;
	u8 isProtected;
	u8 Per_Sample_IV_Size;
	bin128 KID;
	u8 constant_IV_size;
	bin128 constant_IV;
} GF_TrackEncryptionBox;

typedef struct __piff_tenc_box
{
	GF_ISOM_UUID_BOX
	u8 version;
	u32 flags;

	u32 AlgorithmID;
	u8 IV_size;
	bin128 KID;
} GF_PIFFTrackEncryptionBox;

typedef struct
{
	GF_ISOM_UUID_BOX
	u8 version;
	u32 flags;

	bin128 SystemID;
	u32 private_data_size;
	u8 *private_data;
} GF_PIFFProtectionSystemHeaderBox;


typedef struct __sample_encryption_box
{
	GF_ISOM_UUID_BOX
	u8 version;
	u32 flags;

	Bool is_piff;

	GF_List *samp_aux_info; /*GF_CENCSampleAuxInfo*/
	u64 bs_offset;

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
	/*pointer to container traf*/
	GF_TrackFragmentBox *traf;
#endif
	/*pointer to associated saio*/
	GF_SampleAuxiliaryInfoSizeBox *cenc_saiz;
	GF_SampleAuxiliaryInfoOffsetBox *cenc_saio;


	u32 AlgorithmID;
	u8 IV_size;
	bin128 KID;

} GF_SampleEncryptionBox;

typedef struct __traf_mss_timeext_box
{
	GF_ISOM_UUID_BOX
	u8 version;
	u32 flags;

	u64 absolute_time_in_track_timescale;
	u64 fragment_duration_in_track_timescale;
} GF_MSSTimeExtBox;

GF_SampleEncryptionBox *gf_isom_create_piff_psec_box(u8 version, u32 flags, u32 AlgorithmID, u8 IV_size, bin128 KID);
GF_SampleEncryptionBox * gf_isom_create_samp_enc_box(u8 version, u32 flags);

void gf_isom_cenc_get_default_info_ex(GF_TrackBox *trak, u32 sampleDescriptionIndex, u32 *default_IsEncrypted, u8 *default_IV_size, bin128 *default_KID);
void gf_isom_cenc_get_default_pattern_info_ex(GF_TrackBox *trak, u32 sampleDescriptionIndex, u8 *default_crypt_byte_block, u8 *default_skip_byte_block);
#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
GF_Err gf_isom_get_sample_cenc_info_ex(GF_TrackBox *trak, GF_TrackFragmentBox *traf, GF_SampleEncryptionBox *senc, u32 sample_number, u32 *IsEncrypted, u8 *IV_size, bin128 *KID,
										u8 *crypt_byte_block, u8 *skip_byte_block, u8 *constant_IV_size, bin128 *constant_IV);
GF_Err senc_Parse(GF_BitStream *bs, GF_TrackBox *trak, GF_TrackFragmentBox *traf, GF_SampleEncryptionBox *ptr);
#else
GF_Err gf_isom_get_sample_cenc_info_ex(GF_TrackBox *trak, void *traf, uGF_SampleEncryptionBox *senc, 32 sample_number, u32 *IsEncrypted, u8 *IV_size, bin128 *KID,
										u8 *crypt_byte_block, u8 *skip_byte_block, u8 *constant_IV_size, bin128 *constant_IV);
GF_Err senc_Parse(GF_BitStream *bs, GF_TrackBox *trak, void *traf, GF_SampleEncryptionBox *ptr);
#endif

/*
	Boxes for Adobe's protection scheme
*/
typedef struct __adobe_enc_info_box
{
	GF_ISOM_FULL_BOX
	char *enc_algo; /*spec: The encryption algorithm shall be 'AES-CBC'*/
	u8 key_length;
} GF_AdobeEncryptionInfoBox;

typedef struct __adobe_flash_access_params_box
{
	GF_ISOM_BOX
	char *metadata; /*base-64 encoded metadata used by the DRM client to retrieve decrypted key*/
} GF_AdobeFlashAccessParamsBox;

typedef struct __adobe_key_info_box
{
	GF_ISOM_FULL_BOX
	GF_AdobeFlashAccessParamsBox * params; /*spec: APSParamsBox will no longer be produced by conformaing applications*/
} GF_AdobeKeyInfoBox;

typedef struct __adobe_std_enc_params_box
{
	GF_ISOM_FULL_BOX
	GF_AdobeEncryptionInfoBox *enc_info;
	GF_AdobeKeyInfoBox *key_info;
} GF_AdobeStdEncryptionParamsBox;

typedef struct __adobe_drm_header_box
{
	GF_ISOM_FULL_BOX
	GF_AdobeStdEncryptionParamsBox *std_enc_params;
	//AdobeSignatureBox *signature; /*AdobeSignatureBox is not described*/
} GF_AdobeDRMHeaderBox;


typedef struct __adobe_drm_au_format_box
{
	GF_ISOM_FULL_BOX
	u8 selective_enc;
	u8 IV_length;
} GF_AdobeDRMAUFormatBox;

typedef struct __adobe_drm_key_management_system_box
{
	GF_ISOM_FULL_BOX
	GF_AdobeDRMHeaderBox *header;
	GF_AdobeDRMAUFormatBox *au_format;
} GF_AdobeDRMKeyManagementSystemBox;


typedef struct
{
	GF_ISOM_FULL_BOX
	u32 refTrackID;
	u64 ntp, timestamp;
} GF_ProducerReferenceTimeBox;

/* Image File Format Structures */
typedef struct {
	GF_ISOM_FULL_BOX
	u32 image_width;
	u32 image_height;
} GF_ImageSpatialExtentsPropertyBox;

typedef struct {
	GF_ISOM_BOX
	u32 colour_type;
	u16 colour_primaries;
	u16 transfer_characteristics;
	u16 matrix_coefficients;
	Bool full_range_flag;
	u8 *opaque;
	u32 opaque_size;
} GF_ColourInformationBox;

typedef struct {
	GF_ISOM_FULL_BOX
	u8 num_channels;
	u8 *bits_per_channel;
} GF_PixelInformationPropertyBox;

typedef struct {
	GF_ISOM_FULL_BOX
	u32 horizontal_offset;
	u32 vertical_offset;
} GF_RelativeLocationPropertyBox;

typedef struct {
	GF_ISOM_BOX
	u8 angle;
} GF_ImageRotationBox;

typedef struct {
	u32 item_id;
	GF_List *essential;
	GF_List *property_index;
} GF_ItemPropertyAssociationEntry;

typedef struct {
	GF_ISOM_FULL_BOX
	GF_List *entries;
} GF_ItemPropertyAssociationBox;


typedef struct {
	GF_ISOM_FULL_BOX
	char *aux_urn;
	u32 data_size;
	char *data;
} GF_AuxiliaryTypePropertyBox;

typedef struct {
	GF_ISOM_FULL_BOX

	GF_OperatingPointsInformation *oinf;
} GF_OINFPropertyBox;


typedef struct {
	GF_ISOM_FULL_BOX

	u16 target_ols_index;
} GF_TargetOLSPropertyBox;

/*flute hint track boxes*/
typedef struct
{
	u16 block_count;
	u32 block_size;
} FilePartitionEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 itemID;
	u16 packet_payload_size;
	u8 FEC_encoding_ID;
	u16 FEC_instance_ID;
	u16 max_source_block_length;
	u16 encoding_symbol_length;
	u16 max_number_of_encoding_symbols;
	char *scheme_specific_info;
	u32 nb_entries;
	FilePartitionEntry *entries;
} FilePartitionBox;

typedef struct
{
	u32 item_id;
	u32 symbol_count;
} FECReservoirEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 nb_entries;
	FECReservoirEntry *entries;
} FECReservoirBox;

typedef struct
{
	u32 nb_groups;
	u32 *group_ids;
	u32 nb_channels;
	u32 *channels;
} SessionGroupEntry;

typedef struct
{
	GF_ISOM_BOX
	u16 num_session_groups;
	SessionGroupEntry *session_groups;
} FDSessionGroupBox;

typedef struct
{
	u32 group_id;
	char *name;
} GroupIdNameEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u16 nb_entries;
	GroupIdNameEntry *entries;
} GroupIdToNameBox;


typedef struct
{
	u32 item_id;
	u32 symbol_count;
} FileReservoirEntry;


typedef struct
{
	GF_ISOM_FULL_BOX
	u32 nb_entries;
	FileReservoirEntry *entries;
} FileReservoirBox;

typedef struct
{
	GF_ISOM_BOX
	FilePartitionBox *blocks_and_symbols;
	FECReservoirBox *FEC_symbol_locations;
	FileReservoirBox *File_symbol_locations;
} FDPartitionEntryBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *partition_entries;
	FDSessionGroupBox *session_info;
	GroupIdToNameBox *group_id_to_name;
} FDItemInformationBox;


/*
		Data Map (media storage) stuff
*/

/*regular file IO*/
#define GF_ISOM_DATA_FILE			0x01
/*File Maping object, read-only mode on complete files (no download)*/
#define GF_ISOM_DATA_FILE_MAPPING		0x02
/*External file object. Needs implementation*/
#define GF_ISOM_DATA_FILE_EXTERN		0x03

/*Data Map modes*/
enum
{
	/*read mode*/
	GF_ISOM_DATA_MAP_READ = 1,
	/*write mode*/
	GF_ISOM_DATA_MAP_WRITE = 2,
	/*the following modes are just ways of signaling extended functionalities
	edit mode, to make sure the file is here, set to GF_ISOM_DATA_MAP_READ afterwards*/
	GF_ISOM_DATA_MAP_EDIT = 3,
	/*read-only access to the movie file: we create a file mapping object
	mode is set to GF_ISOM_DATA_MAP_READ afterwards*/
	GF_ISOM_DATA_MAP_READ_ONLY = 4,
	/*write-only access at the end of the movie - only used for movie fragments concatenation*/
	GF_ISOM_DATA_MAP_CAT = 5,
};

/*this is the DataHandler structure each data handler has its own bitstream*/
#define GF_ISOM_BASE_DATA_HANDLER	\
	u8	type;		\
	u64	curPos;		\
	u8	mode;		\
	GF_BitStream *bs;\
	char *szName;

typedef struct __tag_data_map
{
	GF_ISOM_BASE_DATA_HANDLER
} GF_DataMap;

typedef struct
{
	GF_ISOM_BASE_DATA_HANDLER
	FILE *stream;
	Bool is_stdout;
	Bool last_acces_was_read;
#ifndef GPAC_DISABLE_ISOM_WRITE
	char *temp_file;
#endif
} GF_FileDataMap;

/*file mapping handler. used if supported, only on read mode for complete files  (not in file download)*/
typedef struct
{
	GF_ISOM_BASE_DATA_HANDLER
	char *name;
	u64 file_size;
	char *byte_map;
	u64 byte_pos;
} GF_FileMappingDataMap;

GF_Err gf_isom_datamap_new(const char *location, const char *parentPath, u8 mode, GF_DataMap **outDataMap);
void gf_isom_datamap_del(GF_DataMap *ptr);
GF_Err gf_isom_datamap_open(GF_MediaBox *minf, u32 dataRefIndex, u8 Edit);
void gf_isom_datamap_close(GF_MediaInformationBox *minf);
u32 gf_isom_datamap_get_data(GF_DataMap *map, char *buffer, u32 bufferLength, u64 Offset);

/*File-based data map*/
GF_DataMap *gf_isom_fdm_new(const char *sPath, u8 mode);
void gf_isom_fdm_del(GF_FileDataMap *ptr);
u32 gf_isom_fdm_get_data(GF_FileDataMap *ptr, char *buffer, u32 bufferLength, u64 fileOffset);

#ifndef GPAC_DISABLE_ISOM_WRITE
GF_DataMap *gf_isom_fdm_new_temp(const char *sTempPath);
#endif

/*file-mapping, read only*/
GF_DataMap *gf_isom_fmo_new(const char *sPath, u8 mode);
void gf_isom_fmo_del(GF_FileMappingDataMap *ptr);
u32 gf_isom_fmo_get_data(GF_FileMappingDataMap *ptr, char *buffer, u32 bufferLength, u64 fileOffset);

#ifndef GPAC_DISABLE_ISOM_WRITE
u64 gf_isom_datamap_get_offset(GF_DataMap *map);
GF_Err gf_isom_datamap_add_data(GF_DataMap *ptr, char *data, u32 dataSize);
#endif

void gf_isom_datamap_flush(GF_DataMap *map);

/*
		Movie stuff
*/


/*time def for MP4/QT/MJ2K files*/
#define GF_ISOM_MAC_TIME_OFFSET 2082844800

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
#define GF_ISOM_FORMAT_FRAG_FLAGS(pad, sync, deg) ( ( (pad) << 17) | ( ( !(sync) ) << 16) | (deg) );
#define GF_ISOM_GET_FRAG_PAD(flag) ( (flag) >> 17) & 0x7
#define GF_ISOM_GET_FRAG_SYNC(flag) ( ! ( ( (flag) >> 16) & 0x1))
#define GF_ISOM_GET_FRAG_DEG(flag)	(flag) & 0x7FFF

#define GF_ISOM_GET_FRAG_LEAD(flag) ( (flag) >> 26) & 0x3
#define GF_ISOM_GET_FRAG_DEPENDS(flag) ( (flag) >> 24) & 0x3
#define GF_ISOM_GET_FRAG_DEPENDED(flag) ( (flag) >> 22) & 0x3
#define GF_ISOM_GET_FRAG_REDUNDANT(flag) ( (flag) >> 20) & 0x3

#define GF_ISOM_GET_FRAG_DEPEND_FLAGS(lead, depends, depended, redundant) ( (lead<<26) | (depends<<24) | (depended<<22) | (redundant<<20) )
#define GF_ISOM_RESET_FRAG_DEPEND_FLAGS(flags) flags = flags & 0xFFFFF

GF_TrackExtendsBox *GetTrex(GF_MovieBox *moov, u32 TrackID);
#endif

enum
{
	GF_ISOM_FRAG_WRITE_READY	=	0x01,
	GF_ISOM_FRAG_READ_DEBUG		=	0x02,
};

/*this is our movie object*/
struct __tag_isom {
	/*the last fatal error*/
	GF_Err LastError;
	/*the original filename*/
	char *fileName;
	/*the original file in read/edit, and also used in fragments mode
	once the first moov has been written
	Nota: this API doesn't allow fragments BEFORE the MOOV in order
	to make easily parsable files (note there could be some data (mdat) before
	the moov*/
	GF_DataMap *movieFileMap;

#ifndef GPAC_DISABLE_ISOM_WRITE
	/*the final file name*/
	char *finalName;
	/*the file where we store edited samples (for READ_WRITE and WRITE mode only)*/
	GF_DataMap *editFileMap;
	/*the interleaving time for dummy mode (in movie TimeScale)*/
	u32 interleavingTime;
#endif

	u8 openMode;
	u8 storageMode;
	/*if true 3GPP text streams are read as MPEG-4 StreamingText*/
	u8 convert_streaming_text;
	u8 is_jp2;
	u8 force_co64;

	Bool keep_utc, drop_date_version_info;
	/*main boxes for fast access*/
	/*moov*/
	GF_MovieBox *moov;
	/*our MDAT box (one and only one when we store the file)*/
	GF_MediaDataBox *mdat;
	/*file brand (since v2, NULL means mp4 v1)*/
	GF_FileTypeBox *brand;
	/*progressive download info*/
	GF_ProgressiveDownloadBox *pdin;
	/*meta box if any*/
	GF_MetaBox *meta;

	Bool dump_mode_alloc;

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
	u32 FragmentsFlags, NextMoofNumber;
	/*active fragment*/
	GF_MovieFragmentBox *moof;
	/*in WRITE mode, this is the current MDAT where data is written*/
	/*in READ mode this is the last valid file position before a gf_isom_box_read failed*/
	u64 current_top_box_start;
	u64 segment_start;

	GF_List *moof_list;
	Bool use_segments, moof_first, append_segment, styp_written;

	/*used when building single-indexed self initializing media segments*/
	GF_SegmentIndexBox *root_sidx;
	u64 root_sidx_offset;
	u32 root_sidx_index;

	Bool is_index_segment;

	GF_BitStream *segment_bs;
	/* 0: no moof found yet, 1: 1 moof found, 2: next moof found */
	Bool single_moof_mode;
	u32 single_moof_state;
#endif
	GF_ProducerReferenceTimeBox *last_producer_ref_time;

	/*this contains ALL the root boxes excepts fragments*/
	GF_List *TopBoxes;

	/*default track for sync of MPEG4 streams - this is the first accessed stream without OCR info - only set in READ mode*/
	s32 es_id_default_sync;

	Bool is_smooth;
};

/*time function*/
u64 gf_isom_get_mp4time();
/*set the last error of the file. if file is NULL, set the static error (used for IO errors*/
void gf_isom_set_last_error(GF_ISOFile *the_file, GF_Err error);
GF_Err gf_isom_parse_movie_boxes(GF_ISOFile *mov, u64 *bytesMissing, Bool progressive_mode);
GF_ISOFile *gf_isom_new_movie();
/*Movie and Track access functions*/
GF_TrackBox *gf_isom_get_track_from_file(GF_ISOFile *the_file, u32 trackNumber);
GF_TrackBox *gf_isom_get_track(GF_MovieBox *moov, u32 trackNumber);
GF_TrackBox *gf_isom_get_track_from_id(GF_MovieBox *moov, u32 trackID);
GF_TrackBox *gf_isom_get_track_from_original_id(GF_MovieBox *moov, u32 originalID, u32 originalFile);
u32 gf_isom_get_tracknum_from_id(GF_MovieBox *moov, u32 trackID);
/*open a movie*/
GF_ISOFile *gf_isom_open_file(const char *fileName, u32 OpenMode, const char *tmp_dir);
/*close and delete a movie*/
void gf_isom_delete_movie(GF_ISOFile *mov);
/*StreamDescription reconstruction Functions*/
GF_Err GetESD(GF_MovieBox *moov, u32 trackID, u32 StreamDescIndex, GF_ESD **outESD);
GF_Err GetESDForTime(GF_MovieBox *moov, u32 trackID, u64 CTS, GF_ESD **outESD);
GF_Err Media_GetSampleDesc(GF_MediaBox *mdia, u32 SampleDescIndex, GF_SampleEntryBox **out_entry, u32 *dataRefIndex);
GF_Err Media_GetSampleDescIndex(GF_MediaBox *mdia, u64 DTS, u32 *sampleDescIndex);
/*get esd for given sample desc -
	@true_desc_only: if true doesn't emulate desc and returns native ESD,
				otherwise emulates if needed/possible (TimedText) and return a hard copy of the desc
*/
GF_Err Media_GetESD(GF_MediaBox *mdia, u32 sampleDescIndex, GF_ESD **esd, Bool true_desc_only);
Bool Track_IsMPEG4Stream(u32 HandlerType);
Bool IsMP4Description(u32 entryType);
/*Find a reference of a given type*/
GF_Err Track_FindRef(GF_TrackBox *trak, u32 ReferenceType, GF_TrackReferenceTypeBox **dpnd);
/*Time and sample*/
GF_Err GetMediaTime(GF_TrackBox *trak, Bool force_non_empty, u64 movieTime, u64 *MediaTime, s64 *SegmentStartTime, s64 *MediaOffset, u8 *useEdit, u64 *next_edit_start_plus_one);
GF_Err Media_GetSample(GF_MediaBox *mdia, u32 sampleNumber, GF_ISOSample **samp, u32 *sampleDescriptionIndex, Bool no_data, u64 *out_offset);
GF_Err Media_CheckDataEntry(GF_MediaBox *mdia, u32 dataEntryIndex);
GF_Err Media_FindSyncSample(GF_SampleTableBox *stbl, u32 searchFromTime, u32 *sampleNumber, u8 mode);
GF_Err Media_RewriteODFrame(GF_MediaBox *mdia, GF_ISOSample *sample);
GF_Err Media_FindDataRef(GF_DataReferenceBox *dref, char *URLname, char *URNname, u32 *dataRefIndex);
Bool Media_IsSelfContained(GF_MediaBox *mdia, u32 StreamDescIndex);


GF_TrackBox *GetTrackbyID(GF_MovieBox *moov, u32 TrackID);

/*check the TimeToSample for the given time and return the Sample number
if the entry is not found, return the closest sampleNumber in prevSampleNumber and 0 in sampleNumber
if the DTS required is after all DTSs in the list, set prevSampleNumber and SampleNumber to 0
useCTS specifies that we're looking for a composition time
*/
GF_Err stbl_findEntryForTime(GF_SampleTableBox *stbl, u64 DTS, u8 useCTS, u32 *sampleNumber, u32 *prevSampleNumber);
/*Reading of the sample tables*/
GF_Err stbl_GetSampleSize(GF_SampleSizeBox *stsz, u32 SampleNumber, u32 *Size);
GF_Err stbl_GetSampleCTS(GF_CompositionOffsetBox *ctts, u32 SampleNumber, s32 *CTSoffset);
GF_Err stbl_GetSampleDTS(GF_TimeToSampleBox *stts, u32 SampleNumber, u64 *DTS);
GF_Err stbl_GetSampleDTS_and_Duration(GF_TimeToSampleBox *stts, u32 SampleNumber, u64 *DTS, u32 *duration);

/*find a RAP or set the prev / next RAPs if vars are passed*/
GF_Err stbl_GetSampleRAP(GF_SyncSampleBox *stss, u32 SampleNumber, SAPType *IsRAP, u32 *prevRAP, u32 *nextRAP);
/*same as above but only look for open-gop RAPs and GDR (roll)*/
GF_Err stbl_SearchSAPs(GF_SampleTableBox *stbl, u32 SampleNumber, SAPType *IsRAP, u32 *prevRAP, u32 *nextRAP);
GF_Err stbl_GetSampleInfos(GF_SampleTableBox *stbl, u32 sampleNumber, u64 *offset, u32 *chunkNumber, u32 *descIndex, u8 *isEdited);
GF_Err stbl_GetSampleShadow(GF_ShadowSyncBox *stsh, u32 *sampleNumber, u32 *syncNum);
GF_Err stbl_GetPaddingBits(GF_PaddingBitsBox *padb, u32 SampleNumber, u8 *PadBits);
u32 stbl_GetSampleFragmentCount(GF_SampleFragmentBox *stsf, u32 sampleNumber);
u32 stbl_GetSampleFragmentSize(GF_SampleFragmentBox *stsf, u32 sampleNumber, u32 FragmentIndex);
GF_Err stbl_GetSampleDepType(GF_SampleDependencyTypeBox *stbl, u32 SampleNumber, u32 *isLeading, u32 *dependsOn, u32 *dependedOn, u32 *redundant);


/*unpack sample2chunk and chunk offset so that we have 1 sample per chunk (edition mode only)*/
GF_Err stbl_UnpackOffsets(GF_SampleTableBox *stbl);
GF_Err stbl_unpackCTS(GF_SampleTableBox *stbl);
GF_Err SetTrackDuration(GF_TrackBox *trak);
GF_Err Media_SetDuration(GF_TrackBox *trak);

/*rewrites 3GP samples desc as MPEG-4 ESD*/
GF_Err gf_isom_get_ttxt_esd(GF_MediaBox *mdia, GF_ESD **out_esd);
/*inserts TTU header - only used when conversion to StreamingText is on*/
GF_Err gf_isom_rewrite_text_sample(GF_ISOSample *samp, u32 sampleDescriptionIndex, u32 sample_dur);

GF_UserDataMap *udta_getEntry(GF_UserDataBox *ptr, u32 box_type, bin128 *uuid);

#ifndef GPAC_DISABLE_ISOM_WRITE

GF_Err FlushCaptureMode(GF_ISOFile *movie);
GF_Err CanAccessMovie(GF_ISOFile *movie, u32 Mode);
GF_ISOFile *gf_isom_create_movie(const char *fileName, u32 OpenMode, const char *tmp_dir);
void gf_isom_insert_moov(GF_ISOFile *file);

GF_Err WriteToFile(GF_ISOFile *movie);
GF_Err Track_SetStreamDescriptor(GF_TrackBox *trak, u32 StreamDescriptionIndex, u32 DataReferenceIndex, GF_ESD *esd, u32 *outStreamIndex);
u8 RequestTrack(GF_MovieBox *moov, u32 TrackID);
/*Track-Media setup*/
GF_Err NewMedia(GF_MediaBox **mdia, u32 MediaType, u32 TimeScale);
GF_Err Media_ParseODFrame(GF_MediaBox *mdia, const GF_ISOSample *sample, GF_ISOSample **od_samp);
GF_Err Media_AddSample(GF_MediaBox *mdia, u64 data_offset, const GF_ISOSample *sample, u32 StreamDescIndex, u32 syncShadowNumber);
GF_Err Media_CreateDataRef(GF_DataReferenceBox *dref, char *URLname, char *URNname, u32 *dataRefIndex);
/*update a media sample. ONLY in edit mode*/
GF_Err Media_UpdateSample(GF_MediaBox *mdia, u32 sampleNumber, GF_ISOSample *sample, Bool data_only);
GF_Err Media_UpdateSampleReference(GF_MediaBox *mdia, u32 sampleNumber, GF_ISOSample *sample, u64 data_offset);
/*addition in the sample tables*/
GF_Err stbl_AddDTS(GF_SampleTableBox *stbl, u64 DTS, u32 *sampleNumber, u32 LastAUDefDuration);
GF_Err stbl_AddCTS(GF_SampleTableBox *stbl, u32 sampleNumber, s32 CTSoffset);
GF_Err stbl_AddSize(GF_SampleSizeBox *stsz, u32 sampleNumber, u32 size);
GF_Err stbl_AddRAP(GF_SyncSampleBox *stss, u32 sampleNumber);
GF_Err stbl_AddShadow(GF_ShadowSyncBox *stsh, u32 sampleNumber, u32 shadowNumber);
GF_Err stbl_AddChunkOffset(GF_MediaBox *mdia, u32 sampleNumber, u32 StreamDescIndex, u64 offset);
/*NB - no add for padding, this is done only through SetPaddingBits*/

GF_Err stbl_AddSampleFragment(GF_SampleTableBox *stbl, u32 sampleNumber, u16 size);

/*update of the sample table
all these functions are called in edit and we always have 1 sample per chunk*/
GF_Err stbl_SetChunkOffset(GF_MediaBox *mdia, u32 sampleNumber, u64 offset);
GF_Err stbl_SetSampleCTS(GF_SampleTableBox *stbl, u32 sampleNumber, s32 offset);
GF_Err stbl_SetSampleSize(GF_SampleSizeBox *stsz, u32 SampleNumber, u32 size);
GF_Err stbl_SetSampleRAP(GF_SyncSampleBox *stss, u32 SampleNumber, u8 isRAP);
GF_Err stbl_SetSyncShadow(GF_ShadowSyncBox *stsh, u32 sampleNumber, u32 syncSample);
GF_Err stbl_SetPaddingBits(GF_SampleTableBox *stbl, u32 SampleNumber, u8 bits);
/*for adding fragmented samples*/
GF_Err stbl_SampleSizeAppend(GF_SampleSizeBox *stsz, u32 data_size);
/*writing of the final chunk info in edit mode*/
GF_Err stbl_SetChunkAndOffset(GF_SampleTableBox *stbl, u32 sampleNumber, u32 StreamDescIndex, GF_SampleToChunkBox *the_stsc, GF_Box **the_stco, u64 data_offset, u8 forceNewChunk);
/*EDIT LIST functions*/
GF_EdtsEntry *CreateEditEntry(u64 EditDuration, u64 MediaTime, u8 EditMode);

GF_Err stbl_SetRedundant(GF_SampleTableBox *stbl, u32 sampleNumber);
GF_Err stbl_AddRedundant(GF_SampleTableBox *stbl, u32 sampleNumber);

/*REMOVE functions*/
GF_Err stbl_RemoveDTS(GF_SampleTableBox *stbl, u32 sampleNumber, u32 LastAUDefDuration);
GF_Err stbl_RemoveCTS(GF_SampleTableBox *stbl, u32 sampleNumber);
GF_Err stbl_RemoveSize(GF_SampleSizeBox *stsz, u32 sampleNumber);
GF_Err stbl_RemoveChunk(GF_SampleTableBox *stbl, u32 sampleNumber);
GF_Err stbl_RemoveRAP(GF_SampleTableBox *stbl, u32 sampleNumber);
GF_Err stbl_RemoveShadow(GF_ShadowSyncBox *stsh, u32 sampleNumber);
GF_Err stbl_RemovePaddingBits(GF_SampleTableBox *stbl, u32 SampleNumber);
GF_Err stbl_RemoveSampleFragments(GF_SampleTableBox *stbl, u32 sampleNumber);
GF_Err stbl_RemoveRedundant(GF_SampleTableBox *stbl, u32 SampleNumber);
GF_Err stbl_RemoveSubSample(GF_SampleTableBox *stbl, u32 SampleNumber);
GF_Err stbl_RemoveSampleGroup(GF_SampleTableBox *stbl, u32 SampleNumber);

#ifndef	GPAC_DISABLE_ISOM_FRAGMENTS
GF_Err gf_isom_close_fragments(GF_ISOFile *movie);
GF_Err gf_isom_copy_sample_group_entry_to_traf(GF_TrackFragmentBox *traf, GF_SampleTableBox *stbl, u32 grouping_type, u32 grouping_type_parameter, u32 sampleGroupDescriptionIndex, Bool sgpd_in_traf);
#endif

Bool gf_isom_is_identical_sgpd(void *ptr1, void *ptr2, u32 grouping_type);

#endif /*GPAC_DISABLE_ISOM_WRITE*/

GF_DefaultSampleGroupDescriptionEntry * gf_isom_get_sample_group_info_entry(GF_ISOFile *the_file, GF_TrackBox *trak, u32 grouping_type, u32 sample_description_index, u32 *default_index, GF_SampleGroupDescriptionBox **out_sgdp);

GF_Err GetNextMediaTime(GF_TrackBox *trak, u64 movieTime, u64 *OutMovieTime);
GF_Err GetPrevMediaTime(GF_TrackBox *trak, u64 movieTime, u64 *OutMovieTime);

Bool IsHintTrack(GF_TrackBox *trak);
Bool CheckHintFormat(GF_TrackBox *trak, u32 HintType);
u32 GetHintFormat(GF_TrackBox *trak);


void gf_isom_box_add_for_dump_mode(GF_Box *parent, GF_Box *a);

/*locate a box by its type or UUID*/
GF_ItemListBox *gf_ismo_locate_box(GF_List *list, u32 boxType, bin128 UUID);

GF_Err moov_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err tref_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err trak_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err mvex_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err stsd_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err hnti_AddBox(GF_Box *hnti, GF_Box *a);
GF_Err udta_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err edts_AddBox(GF_Box *s, GF_Box *a);
GF_Err stdp_Read(GF_Box *s, GF_BitStream *bs);
GF_Err stbl_AddBox(GF_Box *ptr, GF_Box *a);
GF_Err sdtp_Read(GF_Box *s, GF_BitStream *bs);
GF_Err dinf_AddBox(GF_Box *s, GF_Box *a);
GF_Err minf_AddBox(GF_Box *s, GF_Box *a);
GF_Err mdia_AddBox(GF_Box *s, GF_Box *a);
GF_Err traf_AddBox(GF_Box *s, GF_Box *a);

/*rewrites avcC based on the given esd - this destroys the esd*/
GF_Err AVC_HEVC_UpdateESD(GF_MPEGVisualSampleEntryBox *avc, GF_ESD *esd);
void AVC_RewriteESDescriptorEx(GF_MPEGVisualSampleEntryBox *avc, GF_MediaBox *mdia);
void AVC_RewriteESDescriptor(GF_MPEGVisualSampleEntryBox *avc);
void HEVC_RewriteESDescriptorEx(GF_MPEGVisualSampleEntryBox *avc, GF_MediaBox *mdia);
void HEVC_RewriteESDescriptor(GF_MPEGVisualSampleEntryBox *avc);

GF_Err reftype_AddRefTrack(GF_TrackReferenceTypeBox *ref, u32 trackID, u16 *outRefIndex);
GF_XMLBox *gf_isom_get_meta_xml(GF_ISOFile *file, Bool root_meta, u32 track_num, Bool *is_binary);
Bool gf_isom_cenc_has_saiz_saio_track(GF_SampleTableBox *stbl);

#ifndef GPAC_DISABLE_ISOM_FRAGMENTS
Bool gf_isom_cenc_has_saiz_saio_traf(GF_TrackFragmentBox *traf);
void gf_isom_cenc_set_saiz_saio(GF_SampleEncryptionBox *senc, GF_SampleTableBox *stbl, GF_TrackFragmentBox  *traf, u32 len);
#endif
void gf_isom_cenc_merge_saiz_saio(GF_SampleEncryptionBox *senc, GF_SampleTableBox *stbl, u64 offset, u32 len);

void gf_isom_parse_trif_info(const char *data, u32 size, u32 *id, u32 *independent, Bool *full_picture, u32 *x, u32 *y, u32 *w, u32 *h);

#ifndef GPAC_DISABLE_ISOM_HINTING

/*
		Hinting stuff
*/

/*****************************************************
		RTP Data Entries
*****************************************************/

typedef struct
{
	u8 sender_current_time_present;
	u8 expected_residual_time_present;
	u8 session_close_bit;
	u8 object_close_bit;
	u16 transport_object_identifier;
} GF_LCTheaderTemplate;

typedef struct
{
	u8 header_extension_type;
	u8 content[3];
	u32 data_length;
	char *data;
} GF_LCTheaderExtension;

typedef struct
{
	GF_ISOM_BOX

	GF_LCTheaderTemplate info;
	u16 header_ext_count;
	GF_LCTheaderExtension *headers;

	GF_List *constructors;
} GF_FDpacketBox;


typedef struct
{
	GF_ISOM_BOX

	u8 FEC_encoding_ID;
	u16 FEC_instance_ID;
	u16 source_block_number;
	u16 encoding_symbol_ID;
} GF_FECInformationBox;


typedef struct
{
	GF_ISOM_BOX

	GF_FECInformationBox *feci;
	u32 data_length;
	char *data;
} GF_ExtraDataBox;


#define GF_ISMO_BASE_DTE_ENTRY	\
	u8 source;

typedef struct
{
	GF_ISMO_BASE_DTE_ENTRY
} GF_GenericDTE;

typedef struct
{
	GF_ISMO_BASE_DTE_ENTRY
} GF_EmptyDTE;

typedef struct
{
	GF_ISMO_BASE_DTE_ENTRY
	u8 dataLength;
	char data[14];
} GF_ImmediateDTE;

typedef struct
{
	GF_ISMO_BASE_DTE_ENTRY
	s8 trackRefIndex;
	u32 sampleNumber;
	u16 dataLength;
	u32 byteOffset;
	u16 bytesPerComp;
	u16 samplesPerComp;
} GF_SampleDTE;

typedef struct
{
	GF_ISMO_BASE_DTE_ENTRY
	s8 trackRefIndex;
	u32 streamDescIndex;
	u16 dataLength;
	u32 byteOffset;
	u32 reserved;
} GF_StreamDescDTE;

GF_GenericDTE *NewDTE(u8 type);
void DelDTE(GF_GenericDTE *dte);
GF_Err ReadDTE(GF_GenericDTE *dte, GF_BitStream *bs);
GF_Err WriteDTE(GF_GenericDTE *dte, GF_BitStream *bs);
GF_Err OffsetDTE(GF_GenericDTE *dte, u32 offset, u32 HintSampleNumber);

/*****************************************************
		RTP Sample
*****************************************************/

/*data cache when reading*/
typedef struct __tag_hint_data_cache
{
	GF_ISOSample *samp;
	GF_TrackBox *trak;
	u32 sample_num;
} GF_HintDataCache;

typedef struct __tag_hint_sample
{
	//for samples deriving from box
	GF_ISOM_BOX

	/*contains 4cc of hint track sample entry*/
	u32 hint_subtype;
	u16 packetCount;
	u16 reserved;
	GF_List *packetTable;
	char *AdditionalData;
	u32 dataLength;
	/*used internally for hinting*/
	u64 TransmissionTime;
	/*for read only, used to store samples fetched while building packets*/
	GF_List *sample_cache;

	//for dump
	u32 trackID, sampleNumber;

	GF_ExtraDataBox *extra_data;
} GF_HintSample;

GF_HintSample *gf_isom_hint_sample_new(u32 ProtocolType);
void gf_isom_hint_sample_del(GF_HintSample *ptr);
GF_Err gf_isom_hint_sample_read(GF_HintSample *ptr, GF_BitStream *bs, u32 sampleSize);
GF_Err gf_isom_hint_sample_write(GF_HintSample *ptr, GF_BitStream *bs);
u32 gf_isom_hint_sample_size(GF_HintSample *ptr);


/*****************************************************
		Hint Packets (generic packet for future protocol support)
*****************************************************/
#define GF_ISOM_BASE_PACKET			\
	u32 hint_subtype, trackID, sampleNumber;	\
	s32 relativeTransTime;


typedef struct
{
	GF_ISOM_BASE_PACKET
} GF_HintPacket;

GF_HintPacket *gf_isom_hint_pck_new(u32 HintType);
void gf_isom_hint_pck_del(GF_HintPacket *ptr);
GF_Err gf_isom_hint_pck_read(GF_HintPacket *ptr, GF_BitStream *bs);
GF_Err gf_isom_hint_pck_write(GF_HintPacket *ptr, GF_BitStream *bs);
u32 gf_isom_hint_pck_size(GF_HintPacket *ptr);
GF_Err gf_isom_hint_pck_offset(GF_HintPacket *ptr, u32 offset, u32 HintSampleNumber);
GF_Err gf_isom_hint_pck_add_dte(GF_HintPacket *ptr, GF_GenericDTE *dte, u8 AtBegin);
/*get the size of the packet AS RECONSTRUCTED BY THE SERVER (without CSRC)*/
u32 gf_isom_hint_pck_length(GF_HintPacket *ptr);

/*the RTP packet*/
typedef struct
{
	GF_ISOM_BASE_PACKET

	/*RTP Header*/
	u8 P_bit;
	u8 X_bit;
	u8 M_bit;
	/*on 7 bits */
	u8 payloadType;
	u16 SequenceNumber;
	/*Hinting flags*/
	u8 B_bit;
	u8 R_bit;
	/*ExtraInfos TLVs - not really used */
	GF_List *TLV;
	/*DataTable - contains the DTEs...*/
	GF_List *DataTable;
} GF_RTPPacket;

GF_RTPPacket *gf_isom_hint_rtp_new();
void gf_isom_hint_rtp_del(GF_RTPPacket *ptr);
GF_Err gf_isom_hint_rtp_read(GF_RTPPacket *ptr, GF_BitStream *bs);
GF_Err gf_isom_hint_rtp_write(GF_RTPPacket *ptr, GF_BitStream *bs);
u32 gf_isom_hint_rtp_size(GF_RTPPacket *ptr);
GF_Err gf_isom_hint_rtp_offset(GF_RTPPacket *ptr, u32 offset, u32 HintSampleNumber);
u32 gf_isom_hint_rtp_length(GF_RTPPacket *ptr);


/*the RTP packet*/
typedef struct
{
	GF_ISOM_BASE_PACKET

	//RTCP report
	u8 Version, Padding, Count, PayloadType;
	u32 length;
	char *data;
} GF_RTCPPacket;

GF_RTCPPacket *gf_isom_hint_rtcp_new();
void gf_isom_hint_rtcp_del(GF_RTCPPacket *ptr);
GF_Err gf_isom_hint_rtcp_read(GF_RTCPPacket *ptr, GF_BitStream *bs);
GF_Err gf_isom_hint_rtcp_write(GF_RTCPPacket *ptr, GF_BitStream *bs);
u32 gf_isom_hint_rtcp_size(GF_RTCPPacket *ptr);
u32 gf_isom_hint_rtcp_length(GF_RTCPPacket *ptr);


#endif


struct _3gpp_text_sample
{
	char *text;
	u32 len;

	GF_TextStyleBox *styles;
	/*at most one of these*/
	GF_TextHighlightColorBox *highlight_color;
	GF_TextScrollDelayBox *scroll_delay;
	GF_TextBoxBox *box;
	GF_TextWrapBox *wrap;

	GF_List *others;
	GF_TextKaraokeBox *cur_karaoke;
};

GF_TextSample *gf_isom_parse_texte_sample(GF_BitStream *bs);
GF_TextSample *gf_isom_parse_texte_sample_from_data(char *data, u32 dataLength);

struct _generic_subtitle_sample
{
	char *text;
	u32 len;
};
GF_GenericSubtitleSample *gf_isom_parse_generic_subtitle_sample(GF_BitStream *bs);
GF_GenericSubtitleSample *gf_isom_parse_generic_subtitle_sample_from_data(char *data, u32 dataLength);


/*do not throw fatal errors if boxes are duplicated, just warn and remove extra ones*/
#define ERROR_ON_DUPLICATED_BOX(__abox, __parent) {	\
		char __ptype[5];\
		strcpy(__ptype, gf_4cc_to_str(__parent->type) );\
		GF_LOG(GF_LOG_WARNING, GF_LOG_CONTAINER, ("[iso file] extra box %s found in %s, deleting\n", gf_4cc_to_str(__abox->type), __ptype)); \
		gf_isom_box_del(__abox);\
		return GF_OK;\
	}


#ifndef GPAC_DISABLE_VTT 

GF_Err gf_isom_update_webvtt_description(GF_ISOFile *movie, u32 trackNumber, u32 descriptionIndex, const char *config);
GF_ISOSample *gf_isom_webvtt_to_sample(void *samp);

typedef struct
{
	GF_ISOM_BOX
	char *string;
} GF_StringBox;

typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	GF_StringBox *config;
} GF_WebVTTSampleEntryBox;

GF_WebVTTSampleEntryBox *gf_webvtt_isom_get_description(GF_ISOFile *movie, u32 trackNumber, u32 descriptionIndex);

GF_List *gf_webvtt_parse_cues_from_data(const char *data, u32 dataLength, u64 start);

#endif /* GPAC_DISABLE_VTT */

//exported for sgpd comparison in traf merge
void sgpd_write_entry(u32 grouping_type, void *entry, GF_BitStream *bs);
Bool gf_isom_box_equal(GF_Box *a, GF_Box *b);
GF_Box *gf_isom_clone_config_box(GF_Box *box);

GF_Err gf_isom_box_dump(void *ptr, FILE * trace);
GF_Err gf_isom_box_array_dump(GF_List *list, FILE * trace);

/*Apple extensions*/
GF_MetaBox *gf_isom_apple_get_meta_extensions(GF_ISOFile *mov);

#ifndef GPAC_DISABLE_ISOM_WRITE
GF_MetaBox *gf_isom_apple_create_meta_extensions(GF_ISOFile *mov);
#endif /*GPAC_DISABLE_ISOM_WRITE*/


#ifndef GPAC_DISABLE_ISOM_DUMP
GF_Err gf_isom_box_dump_ex(void *ptr, FILE * trace, u32 box_4cc);
GF_Err gf_isom_box_dump_start(GF_Box *a, const char *name, FILE * trace);
void gf_isom_box_dump_done(const char *name, GF_Box *ptr, FILE *trace);
Bool gf_isom_box_is_file_level(GF_Box *s);
#endif

GF_Box *boxstring_new_with_data(u32 type, const char *string);

GF_Err gf_isom_read_null_terminated_string(GF_Box *s, GF_BitStream *bs, u32 size, char **out_str);

#endif //GPAC_DISABLE_ISOM

#ifdef __cplusplus
}
#endif

#endif //_GF_ISOMEDIA_DEV_H_