This file is indexed.

/usr/share/vala-0.40/vapi/gstreamer-1.0.vapi is in valac-0.40-vapi 0.40.4-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   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
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
/* gstreamer-1.0.vapi generated by vapigen, do not modify. */

[CCode (cprefix = "Gst", gir_namespace = "Gst", gir_version = "1.0", lower_case_cprefix = "gst_")]
namespace Gst {
	namespace Debug {
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_DEBUG_BG_MASK")]
		public const int BG_MASK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_DEBUG_FG_MASK")]
		public const int FG_MASK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_DEBUG_FORMAT_MASK")]
		public const int FORMAT_MASK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_DEBUG_BIN_TO_DOT_FILE")]
		public static void BIN_TO_DOT_FILE (Gst.Bin bin, Gst.DebugGraphDetails details, string file_name);
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS")]
		public static void BIN_TO_DOT_FILE_WITH_TS (Gst.Bin bin, Gst.DebugGraphDetails details, string file_name);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void add_log_function (owned Gst.LogFunction func);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.14")]
		public static void add_ring_buffer_logger (uint max_size_per_thread, uint thread_timeout);
		[CCode (cheader_filename = "gst/gst.h")]
		public static string bin_to_dot_data (Gst.Bin bin, Gst.DebugGraphDetails details);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void bin_to_dot_file (Gst.Bin bin, Gst.DebugGraphDetails details, string file_name);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void bin_to_dot_file_with_ts (Gst.Bin bin, Gst.DebugGraphDetails details, string file_name);
		[CCode (cheader_filename = "gst/gst.h")]
		public static string construct_term_color (uint colorinfo);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int construct_win_color (uint colorinfo);
		[CCode (cheader_filename = "gst/gst.h")]
		public static GLib.SList<weak Gst.DebugCategory> get_all_categories ();
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.2")]
		public static Gst.DebugColorMode get_color_mode ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static Gst.DebugLevel get_default_threshold ();
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.12")]
		public static string? get_stack_trace (Gst.StackTraceFlags flags);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool is_active ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool is_colored ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned string level_get_name (Gst.DebugLevel level);
		[CCode (cheader_filename = "gst/gst.h")]
		[PrintfFormat]
		public static void log (Gst.DebugCategory category, Gst.DebugLevel level, string file, string function, int line, GLib.Object? object, string format, ...);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void log_default (Gst.DebugCategory category, Gst.DebugLevel level, string file, string function, int line, GLib.Object? object, Gst.DebugMessage message, void* user_data = null);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void log_valist (Gst.DebugCategory category, Gst.DebugLevel level, string file, string function, int line, GLib.Object? object, string format, va_list args);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void print_stack_trace ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint remove_log_function (Gst.LogFunction? func);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint remove_log_function_by_data (void* data);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.14")]
		public static void remove_ring_buffer_logger ();
		[CCode (array_length = false, array_null_terminated = true, cheader_filename = "gst/gst.h")]
		[Version (since = "1.14")]
		public static string[] ring_buffer_logger_get_logs ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_active (bool active);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.2")]
		public static void set_color_mode (Gst.DebugColorMode mode);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.2")]
		public static void set_color_mode_from_string (string mode);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_colored (bool colored);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_default_threshold (Gst.DebugLevel level);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_threshold_for_name (string name, Gst.DebugLevel level);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.2")]
		public static void set_threshold_from_string (string list, bool reset);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void unset_threshold_for_name (string name);
	}
	namespace ElementFactoryKlass {
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_DECODER")]
		public const string DECODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_DECRYPTOR")]
		public const string DECRYPTOR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_DEMUXER")]
		public const string DEMUXER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_DEPAYLOADER")]
		public const string DEPAYLOADER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_ENCODER")]
		public const string ENCODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_ENCRYPTOR")]
		public const string ENCRYPTOR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_FORMATTER")]
		public const string FORMATTER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MEDIA_AUDIO")]
		public const string MEDIA_AUDIO;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MEDIA_IMAGE")]
		public const string MEDIA_IMAGE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MEDIA_METADATA")]
		public const string MEDIA_METADATA;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MEDIA_SUBTITLE")]
		public const string MEDIA_SUBTITLE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MEDIA_VIDEO")]
		public const string MEDIA_VIDEO;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_MUXER")]
		public const string MUXER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_PARSER")]
		public const string PARSER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_PAYLOADER")]
		public const string PAYLOADER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_SINK")]
		public const string SINK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_KLASS_SRC")]
		public const string SRC;
	}
	namespace ElementFactoryType {
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_ANY")]
		public const Gst.ElementFactoryListType ANY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_AUDIOVIDEO_SINKS")]
		public const Gst.ElementFactoryListType AUDIOVIDEO_SINKS;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_AUDIO_ENCODER")]
		public const Gst.ElementFactoryListType AUDIO_ENCODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_DECODABLE")]
		public const Gst.ElementFactoryListType DECODABLE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_DECODER")]
		public const Gst.ElementFactoryListType DECODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_DECRYPTOR")]
		public const Gst.ElementFactoryListType DECRYPTOR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_DEMUXER")]
		public const Gst.ElementFactoryListType DEMUXER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER")]
		public const Gst.ElementFactoryListType DEPAYLOADER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_ENCODER")]
		public const Gst.ElementFactoryListType ENCODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_ENCRYPTOR")]
		public const Gst.ElementFactoryListType ENCRYPTOR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_FORMATTER")]
		public const Gst.ElementFactoryListType FORMATTER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MAX_ELEMENTS")]
		public const Gst.ElementFactoryListType MAX_ELEMENTS;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_ANY")]
		public const Gst.ElementFactoryListType MEDIA_ANY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO")]
		public const Gst.ElementFactoryListType MEDIA_AUDIO;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE")]
		public const Gst.ElementFactoryListType MEDIA_IMAGE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_METADATA")]
		public const Gst.ElementFactoryListType MEDIA_METADATA;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_SUBTITLE")]
		public const Gst.ElementFactoryListType MEDIA_SUBTITLE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO")]
		public const Gst.ElementFactoryListType MEDIA_VIDEO;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_MUXER")]
		public const Gst.ElementFactoryListType MUXER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_PARSER")]
		public const Gst.ElementFactoryListType PARSER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_PAYLOADER")]
		public const Gst.ElementFactoryListType PAYLOADER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_SINK")]
		public const Gst.ElementFactoryListType SINK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_SRC")]
		public const Gst.ElementFactoryListType SRC;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_FACTORY_TYPE_VIDEO_ENCODER")]
		public const Gst.ElementFactoryListType VIDEO_ENCODER;
	}
	namespace Tags {
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM")]
		public const string ALBUM;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_ARTIST")]
		public const string ALBUM_ARTIST;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_ARTIST_SORTNAME")]
		public const string ALBUM_ARTIST_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_GAIN")]
		public const string ALBUM_GAIN;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_PEAK")]
		public const string ALBUM_PEAK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_SORTNAME")]
		public const string ALBUM_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_VOLUME_COUNT")]
		public const string ALBUM_VOLUME_COUNT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ALBUM_VOLUME_NUMBER")]
		public const string ALBUM_VOLUME_NUMBER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_APPLICATION_DATA")]
		public const string APPLICATION_DATA;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_APPLICATION_NAME")]
		public const string APPLICATION_NAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ARTIST")]
		public const string ARTIST;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ARTIST_SORTNAME")]
		public const string ARTIST_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ATTACHMENT")]
		public const string ATTACHMENT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_AUDIO_CODEC")]
		public const string AUDIO_CODEC;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_BEATS_PER_MINUTE")]
		public const string BEATS_PER_MINUTE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_BITRATE")]
		public const string BITRATE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_CODEC")]
		public const string CODEC;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_COMMENT")]
		public const string COMMENT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_COMPOSER")]
		public const string COMPOSER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_COMPOSER_SORTNAME")]
		public const string COMPOSER_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_CONDUCTOR")]
		[Version (since = "1.8")]
		public const string CONDUCTOR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_CONTACT")]
		public const string CONTACT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_CONTAINER_FORMAT")]
		public const string CONTAINER_FORMAT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_COPYRIGHT")]
		public const string COPYRIGHT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_COPYRIGHT_URI")]
		public const string COPYRIGHT_URI;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DATE")]
		public const string DATE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DATE_TIME")]
		public const string DATE_TIME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DESCRIPTION")]
		public const string DESCRIPTION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DEVICE_MANUFACTURER")]
		public const string DEVICE_MANUFACTURER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DEVICE_MODEL")]
		public const string DEVICE_MODEL;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_DURATION")]
		public const string DURATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ENCODED_BY")]
		public const string ENCODED_BY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ENCODER")]
		public const string ENCODER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ENCODER_VERSION")]
		public const string ENCODER_VERSION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_EXTENDED_COMMENT")]
		public const string EXTENDED_COMMENT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GENRE")]
		public const string GENRE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_CAPTURE_DIRECTION")]
		public const string GEO_LOCATION_CAPTURE_DIRECTION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_CITY")]
		public const string GEO_LOCATION_CITY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_COUNTRY")]
		public const string GEO_LOCATION_COUNTRY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_ELEVATION")]
		public const string GEO_LOCATION_ELEVATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_HORIZONTAL_ERROR")]
		public const string GEO_LOCATION_HORIZONTAL_ERROR;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_LATITUDE")]
		public const string GEO_LOCATION_LATITUDE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_LONGITUDE")]
		public const string GEO_LOCATION_LONGITUDE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_MOVEMENT_DIRECTION")]
		public const string GEO_LOCATION_MOVEMENT_DIRECTION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_MOVEMENT_SPEED")]
		public const string GEO_LOCATION_MOVEMENT_SPEED;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_NAME")]
		public const string GEO_LOCATION_NAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GEO_LOCATION_SUBLOCATION")]
		public const string GEO_LOCATION_SUBLOCATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_GROUPING")]
		public const string GROUPING;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_HOMEPAGE")]
		public const string HOMEPAGE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_IMAGE")]
		public const string IMAGE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_IMAGE_ORIENTATION")]
		public const string IMAGE_ORIENTATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_INTERPRETED_BY")]
		[Version (since = "1.2")]
		public const string INTERPRETED_BY;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ISRC")]
		public const string ISRC;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_KEYWORDS")]
		public const string KEYWORDS;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LANGUAGE_CODE")]
		public const string LANGUAGE_CODE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LANGUAGE_NAME")]
		public const string LANGUAGE_NAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LICENSE")]
		public const string LICENSE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LICENSE_URI")]
		public const string LICENSE_URI;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LOCATION")]
		public const string LOCATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_LYRICS")]
		public const string LYRICS;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_MAXIMUM_BITRATE")]
		public const string MAXIMUM_BITRATE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_MIDI_BASE_NOTE")]
		[Version (since = "1.4")]
		public const string MIDI_BASE_NOTE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_MINIMUM_BITRATE")]
		public const string MINIMUM_BITRATE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_NOMINAL_BITRATE")]
		public const string NOMINAL_BITRATE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_ORGANIZATION")]
		public const string ORGANIZATION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_PERFORMER")]
		public const string PERFORMER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_PREVIEW_IMAGE")]
		public const string PREVIEW_IMAGE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_PRIVATE_DATA")]
		[Version (since = "1.8")]
		public const string PRIVATE_DATA;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_PUBLISHER")]
		[Version (since = "1.2")]
		public const string PUBLISHER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_REFERENCE_LEVEL")]
		public const string REFERENCE_LEVEL;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SERIAL")]
		public const string SERIAL;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SHOW_EPISODE_NUMBER")]
		public const string SHOW_EPISODE_NUMBER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SHOW_NAME")]
		public const string SHOW_NAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SHOW_SEASON_NUMBER")]
		public const string SHOW_SEASON_NUMBER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SHOW_SORTNAME")]
		public const string SHOW_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_SUBTITLE_CODEC")]
		public const string SUBTITLE_CODEC;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TITLE")]
		public const string TITLE;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TITLE_SORTNAME")]
		public const string TITLE_SORTNAME;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TRACK_COUNT")]
		public const string TRACK_COUNT;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TRACK_GAIN")]
		public const string TRACK_GAIN;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TRACK_NUMBER")]
		public const string TRACK_NUMBER;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_TRACK_PEAK")]
		public const string TRACK_PEAK;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_USER_RATING")]
		public const string USER_RATING;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_VERSION")]
		public const string VERSION;
		[CCode (cheader_filename = "gst/gst.h", cname = "GST_TAG_VIDEO_CODEC")]
		public const string VIDEO_CODEC;
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_exists")]
		public static bool exists (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_get_description")]
		public static unowned string? get_description (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_get_flag")]
		public static Gst.TagFlag get_flag (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_get_nick")]
		public static unowned string? get_nick (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_get_type")]
		public static GLib.Type get_type (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_is_fixed")]
		public static bool is_fixed (string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_list_copy_value")]
		public static bool list_copy_value (out GLib.Value dest, Gst.TagList list, string tag);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_merge_strings_with_comma")]
		public static void merge_strings_with_comma (out GLib.Value dest, GLib.Value src);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_merge_use_first")]
		public static void merge_use_first (out GLib.Value dest, GLib.Value src);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_register")]
		public static void register (string name, Gst.TagFlag flag, GLib.Type type, string nick, string blurb, Gst.TagMergeFunc? func);
		[CCode (cheader_filename = "gst/gst.h", cname = "gst_tag_register_static")]
		public static void register_static (string name, Gst.TagFlag flag, GLib.Type type, string nick, string blurb, Gst.TagMergeFunc? func);
	}
	namespace URI {
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (deprecated = true)]
		public static string @construct (string protocol, string location);
		[CCode (cheader_filename = "gst/gst.h")]
		public static GLib.Quark error_quark ();
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.6")]
		public static Gst.Uri? from_string (string uri);
		[CCode (cheader_filename = "gst/gst.h")]
		public static string? get_location (string uri);
		[CCode (cheader_filename = "gst/gst.h")]
		public static string? get_protocol (string uri);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool has_protocol (string uri, string protocol);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool is_valid (string uri);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.6")]
		public static string join_strings (string base_uri, string ref_uri);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool protocol_is_supported (Gst.URIType type, string protocol);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool protocol_is_valid (string protocol);
	}
	namespace Util {
		[CCode (cheader_filename = "gst/gst.h")]
		public static void* array_binary_search (void* array, uint num_elements, size_t element_size, [CCode (delegate_target_pos = 6.1)] GLib.CompareDataFunc<void*> search_func, Gst.SearchMode mode, void* search_data);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void double_to_fraction (double src, out int dest_n, out int dest_d);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.14")]
		public static void dump_buffer (Gst.Buffer buf);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void dump_mem (uint8 mem, uint size);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool fraction_add (int a_n, int a_d, int b_n, int b_d, out int res_n, out int res_d);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int fraction_compare (int a_n, int a_d, int b_n, int b_d);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool fraction_multiply (int a_n, int a_d, int b_n, int b_d, out int res_n, out int res_d);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void fraction_to_double (int src_n, int src_d, out double dest);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 gdouble_to_guint64 (double value);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.12")]
		public static bool get_object_array (GLib.Object object, string name, out GLib.ValueArray array);
		[CCode (cheader_filename = "gst/gst.h")]
		public static Gst.ClockTime get_timestamp ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static int greatest_common_divisor (int a, int b);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int64 greatest_common_divisor_int64 (int64 a, int64 b);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint group_id_next ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static double guint64_to_gdouble (uint64 value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int32 seqnum_compare (uint32 s1, uint32 s2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint32 seqnum_next ();
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_object_arg (GLib.Object object, string name, string value);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.12")]
		public static bool set_object_array (GLib.Object object, string name, GLib.ValueArray array);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_value_from_string (out GLib.Value value, string value_str);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale (uint64 val, uint64 num, uint64 denom);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale_ceil (uint64 val, uint64 num, uint64 denom);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale_int (uint64 val, int num, int denom);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale_int_ceil (uint64 val, int num, int denom);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale_int_round (uint64 val, int num, int denom);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 uint64_scale_round (uint64 val, uint64 num, uint64 denom);
	}
	namespace Value {
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool can_compare (GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool can_intersect (GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool can_subtract (GLib.Value minuend, GLib.Value subtrahend);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool can_union (GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int compare (GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool deserialize (out GLib.Value dest, string src);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool fixate (GLib.Value dest, GLib.Value src);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool fraction_multiply (GLib.Value product, GLib.Value factor1, GLib.Value factor2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool fraction_subtract (GLib.Value dest, GLib.Value minuend, GLib.Value subtrahend);
		[CCode (cheader_filename = "gst/gst.h")]
		public static uint64 get_bitmask (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned Gst.Caps get_caps (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned Gst.CapsFeatures get_caps_features (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static double get_double_range_max (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static double get_double_range_min (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.6")]
		public static uint get_flagset_flags (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.6")]
		public static uint get_flagset_mask (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int get_fraction_denominator (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int get_fraction_numerator (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned GLib.Value? get_fraction_range_max (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned GLib.Value? get_fraction_range_min (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int64 get_int64_range_max (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int64 get_int64_range_min (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int64 get_int64_range_step (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int get_int_range_max (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int get_int_range_min (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static int get_int_range_step (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static unowned Gst.Structure get_structure (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void init_and_copy (out GLib.Value dest, GLib.Value src);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool intersect (out GLib.Value dest, GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool is_fixed (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool is_subset (GLib.Value value1, GLib.Value value2);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void register (Gst.ValueTable table);
		[CCode (cheader_filename = "gst/gst.h")]
		public static string? serialize (GLib.Value value);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_bitmask (GLib.Value value, uint64 bitmask);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_caps (GLib.Value value, Gst.Caps caps);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_caps_features (GLib.Value value, Gst.CapsFeatures features);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_double_range (GLib.Value value, double start, double end);
		[CCode (cheader_filename = "gst/gst.h")]
		[Version (since = "1.6")]
		public static void set_flagset (GLib.Value value, uint flags, uint mask);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_fraction (GLib.Value value, int numerator, int denominator);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_fraction_range (GLib.Value value, GLib.Value start, GLib.Value end);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_fraction_range_full (GLib.Value value, int numerator_start, int denominator_start, int numerator_end, int denominator_end);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_int64_range (GLib.Value value, int64 start, int64 end);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_int64_range_step (GLib.Value value, int64 start, int64 end, int64 step);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_int_range (GLib.Value value, int start, int end);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_int_range_step (GLib.Value value, int start, int end, int step);
		[CCode (cheader_filename = "gst/gst.h")]
		public static void set_structure (GLib.Value value, Gst.Structure structure);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool subtract (out GLib.Value dest, GLib.Value minuend, GLib.Value subtrahend);
		[CCode (cheader_filename = "gst/gst.h")]
		public static bool union (out GLib.Value dest, GLib.Value value1, GLib.Value value2);
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "gst_allocation_params_copy", free_function = "gst_allocation_params_free", type_id = "gst_allocation_params_get_type ()")]
	[Compact]
	public class AllocationParams {
		public size_t align;
		public Gst.MemoryFlags flags;
		public size_t padding;
		public size_t prefix;
		public Gst.AllocationParams? copy ();
		public void free ();
		public void init ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_allocator_get_type ()")]
	public abstract class Allocator : Gst.Object {
		public weak Gst.MemoryCopyFunction mem_copy;
		public weak Gst.MemoryIsSpanFunction mem_is_span;
		public weak Gst.MemoryMapFunction mem_map;
		public weak Gst.MemoryMapFullFunction mem_map_full;
		public weak Gst.MemoryShareFunction mem_share;
		public weak string mem_type;
		public weak Gst.MemoryUnmapFunction mem_unmap;
		public weak Gst.MemoryUnmapFullFunction mem_unmap_full;
		[CCode (has_construct_function = false)]
		protected Allocator ();
		public virtual Gst.Memory? alloc (size_t size, Gst.AllocationParams? @params);
		public static Gst.Allocator? find (string? name);
		public virtual void free (owned Gst.Memory memory);
		public static void register (string name, owned Gst.Allocator allocator);
		public void set_default ();
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_atomic_queue_ref", type_id = "gst_atomic_queue_get_type ()", unref_function = "gst_atomic_queue_unref")]
	[Compact]
	public class AtomicQueue<T> {
		[CCode (has_construct_function = false)]
		public AtomicQueue (uint initial_size);
		public uint length ();
		public unowned T peek<T> ();
		public T pop ();
		public void push (owned T data);
		public void @ref ();
		public void unref ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_bin_get_type ()")]
	public class Bin : Gst.Element, Gst.ChildProxy {
		public Gst.Bus child_bus;
		public GLib.List<Gst.Element> children;
		public uint32 children_cookie;
		public bool clock_dirty;
		public Gst.Element clock_provider;
		public GLib.List<Gst.Message> messages;
		public int numchildren;
		public bool polling;
		public Gst.Clock provided_clock;
		public bool state_dirty;
		[CCode (has_construct_function = false, returns_floating_reference = true, type = "GstElement*")]
		public Bin (string? name);
		public bool add (Gst.Element element);
		[NoWrapper]
		public virtual bool add_element (Gst.Element element);
		public void add_many (params Gst.Element[] elements);
		public Gst.Pad? find_unlinked_pad (Gst.PadDirection direction);
		public Gst.Element? get_by_interface (GLib.Type iface);
		public Gst.Element? get_by_name (string name);
		public Gst.Element? get_by_name_recurse_up (string name);
		[Version (since = "1.10")]
		public Gst.ElementFlags get_suppressed_flags ();
		[NoWrapper]
		public virtual void handle_message (Gst.Message message);
		public Gst.Iterator? iterate_all_by_interface (GLib.Type iface);
		public Gst.Iterator? iterate_elements ();
		public Gst.Iterator? iterate_recurse ();
		public Gst.Iterator? iterate_sinks ();
		public Gst.Iterator? iterate_sorted ();
		public Gst.Iterator? iterate_sources ();
		public bool recalculate_latency ();
		public bool remove (Gst.Element element);
		[NoWrapper]
		public virtual bool remove_element (Gst.Element element);
		public void remove_many (params Gst.Element[] elements);
		[Version (since = "1.10")]
		public void set_suppressed_flags (Gst.ElementFlags flags);
		[Version (since = "1.6")]
		public bool sync_children_states ();
		[NoAccessorMethod]
		public bool async_handling { get; set; }
		[NoAccessorMethod]
		public bool message_forward { get; set; }
		[Version (since = "1.10")]
		public virtual signal void deep_element_added (Gst.Bin sub_bin, Gst.Element child);
		[Version (since = "1.10")]
		public virtual signal void deep_element_removed (Gst.Bin sub_bin, Gst.Element child);
		public virtual signal bool do_latency ();
		public virtual signal void element_added (Gst.Element child);
		public virtual signal void element_removed (Gst.Element child);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_bitmask_get_type ()")]
	public class Bitmask {
		[CCode (has_construct_function = false)]
		protected Bitmask ();
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_buffer_ref", type_id = "gst_buffer_get_type ()", unref_function = "gst_buffer_unref")]
	[Compact]
	public class Buffer : Gst.MiniObject {
		public Gst.ClockTime dts;
		public Gst.ClockTime duration;
		public uint64 offset;
		public uint64 offset_end;
		public weak Gst.BufferPool pool;
		public Gst.ClockTime pts;
		[CCode (has_construct_function = false)]
		public Buffer ();
		public unowned Gst.Meta? add_meta (Gst.MetaInfo info, void* @params);
		[Version (since = "1.6")]
		public unowned Gst.ParentBufferMeta? add_parent_buffer_meta (Gst.Buffer @ref);
		[Version (since = "1.6")]
		public unowned Gst.ProtectionMeta? add_protection_meta (owned Gst.Structure info);
		[Version (since = "1.14")]
		public unowned Gst.ReferenceTimestampMeta? add_reference_timestamp_meta (Gst.Caps reference, Gst.ClockTime timestamp, Gst.ClockTime duration);
		[CCode (has_construct_function = false)]
		public Buffer.allocate (Gst.Allocator? allocator, size_t size, Gst.AllocationParams? @params);
		public Gst.Buffer append (owned Gst.Buffer buf2);
		public void append_memory (owned Gst.Memory mem);
		public Gst.Buffer append_region (owned Gst.Buffer buf2, ssize_t offset, ssize_t size);
		[Version (since = "1.6")]
		public Gst.Buffer copy_deep ();
		[CCode (instance_pos = 1.9)]
		public bool copy_into (Gst.Buffer dst, Gst.BufferCopyFlags flags, size_t offset, size_t size);
		public Gst.Buffer copy_region (Gst.BufferCopyFlags flags, size_t offset, size_t size);
		public size_t extract (size_t offset, void* dest, size_t size);
		[Version (since = "1.0.10")]
		public void extract_dup (size_t offset, size_t size, [CCode (array_length_cname = "dest_size", array_length_pos = 3.1, array_length_type = "gsize")] out uint8[] dest);
		public size_t fill (size_t offset, [CCode (array_length_cname = "size", array_length_pos = 2.1, array_length_type = "gsize")] uint8[] src);
		public bool find_memory (size_t offset, size_t size, out uint idx, out uint length, out size_t skip);
		public bool foreach_meta (Gst.BufferForeachMetaFunc func);
		public Gst.Memory? get_all_memory ();
		[Version (since = "1.10")]
		public Gst.BufferFlags get_flags ();
		[Version (since = "1.2")]
		public static uint get_max_memory ();
		public Gst.Memory? get_memory (uint idx);
		public Gst.Memory? get_memory_range (uint idx, int length);
		public unowned Gst.Meta? get_meta (GLib.Type api);
		[Version (since = "1.14")]
		public uint get_n_meta (GLib.Type api_type);
		[Version (since = "1.14")]
		public unowned Gst.ReferenceTimestampMeta? get_reference_timestamp_meta (Gst.Caps? reference);
		public size_t get_size ();
		public size_t get_sizes (out size_t offset, out size_t maxsize);
		public size_t get_sizes_range (uint idx, int length, out size_t offset, out size_t maxsize);
		public bool has_flags (Gst.BufferFlags flags);
		public void insert_memory (int idx, owned Gst.Memory mem);
		[Version (since = "1.4")]
		public bool is_all_memory_writable ();
		[Version (since = "1.4")]
		public bool is_memory_range_writable (uint idx, int length);
		public bool map (out Gst.MapInfo info, Gst.MapFlags flags);
		public bool map_range (uint idx, int length, out Gst.MapInfo info, Gst.MapFlags flags);
		public int memcmp (size_t offset, [CCode (array_length_cname = "size", array_length_pos = 2.1, array_length_type = "gsize")] uint8[] mem);
		public size_t memset (size_t offset, uint8 val, size_t size);
		public uint n_memory ();
		[CCode (has_construct_function = false, simple_generics = true)]
		public static Gst.Buffer new_wrapped_full<T> (Gst.MemoryFlags flags, [CCode (array_length_cname = "maxsize", array_length_pos = 2.5, array_length_type = "gsize")] uint8[] data, size_t offset, size_t size, owned T user_data);
		public unowned Gst.Memory? peek_memory (uint idx);
		public void prepend_memory (owned Gst.Memory mem);
		public void remove_all_memory ();
		public void remove_memory (uint idx);
		public void remove_memory_range (uint idx, int length);
		public bool remove_meta (Gst.Meta meta);
		public void replace_all_memory (owned Gst.Memory mem);
		public void replace_memory (uint idx, owned Gst.Memory mem);
		public void replace_memory_range (uint idx, int length, owned Gst.Memory mem);
		public void resize (ssize_t offset, ssize_t size);
		public bool resize_range (uint idx, int length, ssize_t offset, ssize_t size);
		[Version (since = "1.10")]
		public bool set_flags (Gst.BufferFlags flags);
		public void set_size (ssize_t size);
		public void unmap (Gst.MapInfo info);
		[Version (since = "1.10")]
		public bool unset_flags (Gst.BufferFlags flags);
		[CCode (has_construct_function = false)]
		public Buffer.wrapped ([CCode (array_length_cname = "size", array_length_pos = 1.1, array_length_type = "gsize")] owned uint8[] data);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_buffer_list_ref", type_id = "gst_buffer_list_get_type ()", unref_function = "gst_buffer_list_unref")]
	[Compact]
	public class BufferList : Gst.MiniObject {
		[CCode (has_construct_function = false)]
		public BufferList ();
		[Version (since = "1.14")]
		public size_t calculate_size ();
		[Version (since = "1.6")]
		public Gst.BufferList copy_deep ();
		public bool @foreach (Gst.BufferListFunc func);
		public unowned Gst.Buffer? @get (uint idx);
		[Version (since = "1.14")]
		public unowned Gst.Buffer? get_writable (uint idx);
		public void insert (int idx, owned Gst.Buffer buffer);
		public uint length ();
		public void remove (uint idx, uint length);
		[CCode (has_construct_function = false)]
		public BufferList.sized (uint size);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_buffer_pool_get_type ()")]
	public class BufferPool : Gst.Object {
		public int flushing;
		[CCode (has_construct_function = false, returns_floating_reference = true)]
		public BufferPool ();
		public virtual Gst.FlowReturn acquire_buffer (out Gst.Buffer buffer, Gst.BufferPoolAcquireParams? @params);
		[NoWrapper]
		public virtual Gst.FlowReturn alloc_buffer (Gst.Buffer buffer, Gst.BufferPoolAcquireParams @params);
		public static void config_add_option (Gst.Structure config, string option);
		public static bool config_get_allocator (Gst.Structure config, out unowned Gst.Allocator allocator, out unowned Gst.AllocationParams @params);
		public static unowned string config_get_option (Gst.Structure config, uint index);
		public static bool config_get_params (Gst.Structure config, out unowned Gst.Caps caps, out uint size, out uint min_buffers, out uint max_buffers);
		public static bool config_has_option (Gst.Structure config, string option);
		public static uint config_n_options (Gst.Structure config);
		public static void config_set_allocator (Gst.Structure config, Gst.Allocator? allocator, Gst.AllocationParams? @params);
		public static void config_set_params (Gst.Structure config, Gst.Caps caps, uint size, uint min_buffers, uint max_buffers);
		[Version (since = "1.4")]
		public static bool config_validate_params (Gst.Structure config, Gst.Caps caps, uint size, uint min_buffers, uint max_buffers);
		[NoWrapper]
		public virtual void flush_start ();
		[NoWrapper]
		public virtual void flush_stop ();
		[NoWrapper]
		public virtual void free_buffer (Gst.Buffer buffer);
		public Gst.Structure get_config ();
		[CCode (array_length = false, array_null_terminated = true)]
		public virtual unowned string[] get_options ();
		public bool has_option (string option);
		public bool is_active ();
		public virtual void release_buffer (owned Gst.Buffer buffer);
		[NoWrapper]
		public virtual void reset_buffer (Gst.Buffer buffer);
		public bool set_active (bool active);
		public virtual bool set_config (owned Gst.Structure config);
		[Version (since = "1.4")]
		public void set_flushing (bool flushing);
		[NoWrapper]
		public virtual bool start ();
		[NoWrapper]
		public virtual bool stop ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_bus_get_type ()")]
	public class Bus : Gst.Object {
		[CCode (has_construct_function = false)]
		public Bus ();
		[CCode (cname = "gst_bus_add_signal_watch_full")]
		public void add_signal_watch (int priority = GLib.Priority.DEFAULT);
		[CCode (cname = "gst_bus_add_watch_full")]
		public uint add_watch (int priority, owned Gst.BusFunc func);
		public bool async_signal_func (Gst.Message message, void* data);
		public GLib.Source? create_watch ();
		public void disable_sync_message_emission ();
		public void enable_sync_message_emission ();
		[Version (since = "1.14")]
		public void get_pollfd (GLib.PollFD fd);
		public bool have_pending ();
		public Gst.Message? peek ();
		public Gst.Message? poll (Gst.MessageType events, Gst.ClockTime timeout);
		public Gst.Message? pop ();
		public Gst.Message? pop_filtered (Gst.MessageType types);
		public bool post (owned Gst.Message message);
		public void remove_signal_watch ();
		[Version (since = "1.6")]
		public bool remove_watch ();
		public void set_flushing (bool flushing);
		public void set_sync_handler (owned Gst.BusSyncHandler? func);
		public Gst.BusSyncReply sync_signal_handler (Gst.Message message, void* data);
		public Gst.Message? timed_pop (Gst.ClockTime timeout);
		public Gst.Message? timed_pop_filtered (Gst.ClockTime timeout, Gst.MessageType types);
		[NoAccessorMethod]
		public bool enable_async { construct; }
		public virtual signal void message (Gst.Message message);
		public virtual signal void sync_message (Gst.Message message);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_caps_ref", type_id = "gst_caps_get_type ()", unref_function = "gst_caps_unref")]
	[Compact]
	public class Caps : Gst.MiniObject {
		[CCode (has_construct_function = false)]
		public Caps.any ();
		public void append (owned Gst.Caps caps2);
		public void append_structure (owned Gst.Structure structure);
		[Version (since = "1.2")]
		public void append_structure_full (owned Gst.Structure structure, owned Gst.CapsFeatures? features = null);
		public bool can_intersect (Gst.Caps caps2);
		public Gst.Caps copy_nth (uint nth);
		[CCode (has_construct_function = false)]
		public Caps.empty ();
		[CCode (has_construct_function = false)]
		public Caps.empty_simple (string media_type);
		[Version (since = "1.6")]
		public void filter_and_map_in_place (Gst.CapsFilterMapFunc func);
		public Gst.Caps fixate ();
		[Version (since = "1.6")]
		public bool @foreach (Gst.CapsForeachFunc func);
		public static Gst.Caps? from_string (string string);
		[CCode (has_construct_function = false)]
		public Caps.full (params Gst.Structure[] structure);
		[CCode (has_construct_function = false)]
		public Caps.full_valist (Gst.Structure structure, va_list var_args);
		[Version (since = "1.2")]
		public unowned Gst.CapsFeatures? get_features (uint index);
		public uint get_size ();
		public unowned Gst.Structure get_structure (uint index);
		[CCode (cname = "gst_caps_intersect_full")]
		public Gst.Caps intersect (Gst.Caps caps2, Gst.CapsIntersectMode mode = Gst.CapsIntersectMode.ZIG_ZAG);
		public bool is_always_compatible (Gst.Caps caps2);
		public bool is_any ();
		public bool is_empty ();
		public bool is_equal (Gst.Caps caps2);
		public bool is_equal_fixed (Gst.Caps caps2);
		public bool is_fixed ();
		public bool is_strictly_equal (Gst.Caps caps2);
		public bool is_subset (Gst.Caps superset);
		public bool is_subset_structure (Gst.Structure structure);
		[Version (since = "1.2")]
		public bool is_subset_structure_full (Gst.Structure structure, Gst.CapsFeatures? features);
		[Version (since = "1.6")]
		public bool map_in_place (Gst.CapsMapFunc func);
		public Gst.Caps merge (owned Gst.Caps caps2);
		public Gst.Caps merge_structure (owned Gst.Structure structure);
		[Version (since = "1.2")]
		public Gst.Caps merge_structure_full (owned Gst.Structure structure, owned Gst.CapsFeatures? features);
		public Gst.Caps normalize ();
		public void remove_structure (uint idx);
		[Version (since = "1.2")]
		public void set_features (uint index, owned Gst.CapsFeatures? features);
		public void set_simple (string field, ...);
		public void set_simple_valist (string field, va_list varargs);
		public void set_value (string field, GLib.Value value);
		[CCode (has_construct_function = false)]
		public Caps.simple (string media_type, string fieldname, ...);
		public Gst.Caps simplify ();
		public Gst.Structure? steal_structure (uint index);
		public Gst.Caps subtract (Gst.Caps subtrahend);
		public string to_string ();
		public Gst.Caps truncate ();
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "gst_caps_features_get_type ()")]
	[Compact]
	public class CapsFeatures {
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public CapsFeatures (string feature1, ...);
		[Version (since = "1.2")]
		public void add (string feature);
		[Version (since = "1.2")]
		public void add_id (GLib.Quark feature);
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public CapsFeatures.any ();
		[Version (since = "1.2")]
		public bool contains (string feature);
		[Version (since = "1.2")]
		public bool contains_id (GLib.Quark feature);
		[Version (since = "1.2")]
		public Gst.CapsFeatures copy ();
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public CapsFeatures.empty ();
		[Version (since = "1.2")]
		public void free ();
		[Version (since = "1.2")]
		public static Gst.CapsFeatures? from_string (string features);
		[Version (since = "1.2")]
		public unowned string? get_nth (uint i);
		[Version (since = "1.2")]
		public GLib.Quark get_nth_id (uint i);
		[Version (since = "1.2")]
		public uint get_size ();
		[CCode (has_construct_function = false)]
		public CapsFeatures.id (params GLib.Quark[] features);
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public CapsFeatures.id_valist (GLib.Quark feature1, va_list varargs);
		[Version (since = "1.2")]
		public bool is_any ();
		[Version (since = "1.2")]
		public bool is_equal (Gst.CapsFeatures features2);
		[Version (since = "1.2")]
		public void remove (string feature);
		[Version (since = "1.2")]
		public void remove_id (GLib.Quark feature);
		[Version (since = "1.2")]
		public bool set_parent_refcount (int refcount);
		[Version (since = "1.2")]
		public string to_string ();
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public CapsFeatures.valist (string feature1, va_list varargs);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_clock_get_type ()")]
	public abstract class Clock : Gst.Object {
		[CCode (has_construct_function = false)]
		protected Clock ();
		public bool add_observation (Gst.ClockTime slave, Gst.ClockTime master, out double r_squared);
		[Version (since = "1.6")]
		public bool add_observation_unapplied (Gst.ClockTime slave, Gst.ClockTime master, out double r_squared, out Gst.ClockTime @internal, out Gst.ClockTime external, out Gst.ClockTime rate_num, out Gst.ClockTime rate_denom);
		public Gst.ClockTime adjust_unlocked (Gst.ClockTime @internal);
		[Version (since = "1.6")]
		public Gst.ClockTime adjust_with_calibration (Gst.ClockTime internal_target, Gst.ClockTime cinternal, Gst.ClockTime cexternal, Gst.ClockTime cnum, Gst.ClockTime cdenom);
		[NoWrapper]
		public virtual Gst.ClockTime change_resolution (Gst.ClockTime old_resolution, Gst.ClockTime new_resolution);
		public void get_calibration (out Gst.ClockTime @internal, out Gst.ClockTime external, out Gst.ClockTime rate_num, out Gst.ClockTime rate_denom);
		public virtual Gst.ClockTime get_internal_time ();
		public Gst.Clock? get_master ();
		public virtual Gst.ClockTime get_resolution ();
		public Gst.ClockTime get_time ();
		public Gst.ClockTime get_timeout ();
		public static int id_compare_func (void* id1, void* id2);
		public static Gst.ClockTime id_get_time (Gst.ClockID id);
		public static Gst.ClockID id_ref (Gst.ClockID id);
		public static void id_unref (owned Gst.ClockID id);
		public static void id_unschedule (Gst.ClockID id);
		public static Gst.ClockReturn id_wait (Gst.ClockID id, out Gst.ClockTimeDiff jitter);
		public static Gst.ClockReturn id_wait_async (Gst.ClockID id, owned Gst.ClockCallback func);
		[Version (since = "1.6")]
		public bool is_synced ();
		public Gst.ClockID new_periodic_id (Gst.ClockTime start_time, Gst.ClockTime interval);
		public Gst.ClockID new_single_shot_id (Gst.ClockTime time);
		public bool periodic_id_reinit (Gst.ClockID id, Gst.ClockTime start_time, Gst.ClockTime interval);
		public void set_calibration (Gst.ClockTime @internal, Gst.ClockTime external, Gst.ClockTime rate_num, Gst.ClockTime rate_denom);
		public bool set_master (Gst.Clock? master);
		public Gst.ClockTime set_resolution (Gst.ClockTime resolution);
		[Version (since = "1.6")]
		public void set_synced (bool synced);
		public void set_timeout (Gst.ClockTime timeout);
		public bool single_shot_id_reinit (Gst.ClockID id, Gst.ClockTime time);
		public Gst.ClockTime unadjust_unlocked (Gst.ClockTime external);
		[Version (since = "1.8")]
		public Gst.ClockTime unadjust_with_calibration (Gst.ClockTime external_target, Gst.ClockTime cinternal, Gst.ClockTime cexternal, Gst.ClockTime cnum, Gst.ClockTime cdenom);
		[NoWrapper]
		public virtual void unschedule (Gst.ClockEntry entry);
		[NoWrapper]
		public virtual Gst.ClockReturn wait (Gst.ClockEntry entry, Gst.ClockTimeDiff jitter);
		[NoWrapper]
		public virtual Gst.ClockReturn wait_async (Gst.ClockEntry entry);
		[Version (since = "1.6")]
		public bool wait_for_sync (Gst.ClockTime timeout);
		public uint64 timeout { get; set; }
		[NoAccessorMethod]
		public int window_size { get; set; }
		[NoAccessorMethod]
		public int window_threshold { get; set; }
		[Version (since = "1.6")]
		public signal void synced (bool synced);
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "gst_context_get_type ()")]
	[Compact]
	public class Context {
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public Context (string context_type, bool persistent);
		[Version (since = "1.2")]
		public unowned string get_context_type ();
		[Version (since = "1.2")]
		public unowned Gst.Structure get_structure ();
		[Version (since = "1.2")]
		public bool has_context_type (string context_type);
		[Version (since = "1.2")]
		public bool is_persistent ();
		[Version (since = "1.2")]
		public Gst.Structure writable_structure ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_control_binding_get_type ()")]
	public abstract class ControlBinding : Gst.Object {
		public weak GLib.ParamSpec pspec;
		[CCode (has_construct_function = false)]
		protected ControlBinding ();
		public virtual bool get_g_value_array (Gst.ClockTime timestamp, Gst.ClockTime interval, [CCode (array_length_cname = "n_values", array_length_pos = 2.5, array_length_type = "guint")] GLib.Value[] values);
		public virtual GLib.Value? get_value (Gst.ClockTime timestamp);
		public virtual bool get_value_array<T> (Gst.ClockTime timestamp, Gst.ClockTime interval, [CCode (array_length_pos = 2.5, array_length_type = "guint")] T[] values);
		public bool is_disabled ();
		public void set_disabled (bool disabled);
		public virtual bool sync_values (Gst.Object object, Gst.ClockTime timestamp, Gst.ClockTime last_sync);
		[NoAccessorMethod]
		public string name { owned get; construct; }
		[NoAccessorMethod]
		public Gst.Object object { owned get; construct; }
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_control_source_get_type ()")]
	public abstract class ControlSource : Gst.Object {
		[CCode (cname = "get_value_array")]
		public weak Gst.ControlSourceGetValueArray get_value_array_func;
		[CCode (cname = "get_value")]
		public weak Gst.ControlSourceGetValue get_value_func;
		[CCode (has_construct_function = false)]
		protected ControlSource ();
		public bool get_value (Gst.ClockTime timestamp, out double value);
		public bool get_value_array (Gst.ClockTime timestamp, Gst.ClockTime interval, [CCode (array_length_cname = "n_values", array_length_pos = 2.5, array_length_type = "guint")] double[] values);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_date_time_ref", type_id = "gst_date_time_get_type ()", unref_function = "gst_date_time_unref")]
	[Compact]
	public class DateTime {
		[CCode (has_construct_function = false)]
		public DateTime (float tzoffset, int year, int month, int day, int hour, int minute, double seconds);
		[CCode (has_construct_function = false)]
		public DateTime.from_g_date_time (owned GLib.DateTime dt);
		[CCode (has_construct_function = false)]
		public DateTime.from_iso8601_string (string string);
		[CCode (has_construct_function = false)]
		public DateTime.from_unix_epoch_local_time (int64 secs);
		[CCode (has_construct_function = false)]
		public DateTime.from_unix_epoch_utc (int64 secs);
		public int get_day ();
		public int get_hour ();
		public int get_microsecond ();
		public int get_minute ();
		public int get_month ();
		public int get_second ();
		public float get_time_zone_offset ();
		public int get_year ();
		public bool has_day ();
		public bool has_month ();
		public bool has_second ();
		public bool has_time ();
		public bool has_year ();
		[CCode (has_construct_function = false)]
		public DateTime.local_time (int year, int month, int day, int hour, int minute, double seconds);
		[CCode (has_construct_function = false)]
		public DateTime.now_local_time ();
		[CCode (has_construct_function = false)]
		public DateTime.now_utc ();
		public unowned Gst.DateTime @ref ();
		public GLib.DateTime? to_g_date_time ();
		public string? to_iso8601_string ();
		public void unref ();
		[CCode (has_construct_function = false)]
		public DateTime.y (int year);
		[CCode (has_construct_function = false)]
		public DateTime.ym (int year, int month);
		[CCode (has_construct_function = false)]
		public DateTime.ymd (int year, int month, int day);
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	[Compact]
	public class DebugMessage {
		public unowned string? @get ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_device_get_type ()")]
	[Version (since = "1.4")]
	public abstract class Device : Gst.Object {
		[CCode (has_construct_function = false)]
		protected Device ();
		public virtual Gst.Element? create_element (string? name);
		public Gst.Caps? get_caps ();
		public string get_device_class ();
		public string get_display_name ();
		[Version (since = "1.6")]
		public Gst.Structure? get_properties ();
		public bool has_classes (string classes);
		public bool has_classesv ([CCode (array_length = false, array_null_terminated = true)] string[] classes);
		public virtual bool reconfigure_element (Gst.Element element);
		public Gst.Caps caps { owned get; construct; }
		public string device_class { owned get; construct; }
		public string display_name { owned get; construct; }
		public Gst.Structure properties { owned get; construct; }
		public signal void removed ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_device_monitor_get_type ()")]
	[Version (since = "1.4")]
	public class DeviceMonitor : Gst.Object {
		[CCode (has_construct_function = false)]
		public DeviceMonitor ();
		public uint add_filter (string? classes, Gst.Caps? caps);
		public Gst.Bus get_bus ();
		public GLib.List<Gst.Device>? get_devices ();
		[CCode (array_length = false, array_null_terminated = true)]
		[Version (since = "1.6")]
		public string[] get_providers ();
		[Version (since = "1.6")]
		public bool get_show_all_devices ();
		public bool remove_filter (uint filter_id);
		[Version (since = "1.6")]
		public void set_show_all_devices (bool show_all);
		public bool start ();
		public void stop ();
		[NoAccessorMethod]
		public bool show_all { get; set; }
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_device_provider_get_type ()")]
	[Version (since = "1.4")]
	public abstract class DeviceProvider : Gst.Object {
		public weak GLib.List<void*> devices;
		[CCode (has_construct_function = false)]
		protected DeviceProvider ();
		[CCode (cname = "gst_device_provider_class_add_metadata")]
		public class void add_metadata (string key, string value);
		[CCode (cname = "gst_device_provider_class_add_static_metadata")]
		public class void add_static_metadata (string key, owned string value);
		public bool can_monitor ();
		public class unowned string? class_get_metadata (string key);
		public void device_add (Gst.Device device);
		public void device_remove (Gst.Device device);
		public Gst.Bus get_bus ();
		public GLib.List<Gst.Device> get_devices ();
		public unowned Gst.DeviceProviderFactory get_factory ();
		[CCode (array_length = false, array_null_terminated = true)]
		[Version (since = "1.6")]
		public string[] get_hidden_providers ();
		[Version (since = "1.14")]
		public unowned string get_metadata (string key);
		[Version (since = "1.6")]
		public void hide_provider (string name);
		public static bool register (Gst.Plugin? plugin, string name, uint rank, GLib.Type type);
		[CCode (cname = "gst_device_provider_class_set_metadata")]
		public class void set_metadata (string longname, string classification, string description, string author);
		[CCode (cname = "gst_device_provider_class_set_static_metadata")]
		public class void set_static_metadata (owned string longname, owned string classification, owned string description, owned string author);
		public virtual bool start ();
		public virtual void stop ();
		[Version (since = "1.6")]
		public void unhide_provider (string name);
		public signal void provider_hidden (string object);
		public signal void provider_unhidden (string object);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_device_provider_factory_get_type ()")]
	[Version (since = "1.4")]
	public class DeviceProviderFactory : Gst.PluginFeature {
		[CCode (has_construct_function = false)]
		protected DeviceProviderFactory ();
		public static Gst.DeviceProviderFactory? find (string name);
		public Gst.DeviceProvider? @get ();
		public static Gst.DeviceProvider? get_by_name (string factoryname);
		public GLib.Type get_device_provider_type ();
		public unowned string? get_metadata (string key);
		[CCode (array_length = false, array_null_terminated = true)]
		public string[]? get_metadata_keys ();
		public bool has_classes (string? classes);
		public bool has_classesv ([CCode (array_length = false, array_null_terminated = true)] string[]? classes);
		public static GLib.List<Gst.DeviceProviderFactory> list_get_device_providers (Gst.Rank minrank);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_double_range_get_type ()")]
	public class DoubleRange {
		[CCode (has_construct_function = false)]
		protected DoubleRange ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_dynamic_type_factory_get_type ()")]
	public class DynamicTypeFactory : Gst.PluginFeature {
		[CCode (has_construct_function = false)]
		protected DynamicTypeFactory ();
		public static GLib.Type load (string factoryname);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_element_get_type ()")]
	public abstract class Element : Gst.Object {
		public Gst.ClockTimeDiff base_time;
		public Gst.Bus bus;
		public Gst.Clock clock;
		public weak GLib.List<Gst.Context> contexts;
		public Gst.State current_state;
		public Gst.StateChangeReturn last_return;
		public Gst.State next_state;
		public uint16 numpads;
		public uint16 numsinkpads;
		public uint16 numsrcpads;
		public GLib.List<Gst.Pad> pads;
		public uint32 pads_cookie;
		public Gst.State pending_state;
		public GLib.List<weak Gst.Pad> sinkpads;
		public GLib.List<weak Gst.Pad> srcpads;
		public Gst.ClockTime start_time;
		public GLib.Cond state_cond;
		public uint32 state_cookie;
		public GLib.RecMutex state_lock;
		public Gst.State target_state;
		[CCode (has_construct_function = false)]
		protected Element ();
		public void abort_state ();
		[CCode (cname = "gst_element_class_add_metadata")]
		public class void add_metadata (string key, string value);
		public bool add_pad (Gst.Pad pad);
		[CCode (cname = "gst_element_class_add_pad_template")]
		public class void add_pad_template (Gst.PadTemplate templ);
		[Version (since = "1.10")]
		public ulong add_property_deep_notify_watch (string? property_name, bool include_value);
		[Version (since = "1.10")]
		public ulong add_property_notify_watch (string? property_name, bool include_value);
		[CCode (cname = "gst_element_class_add_static_metadata")]
		public class void add_static_metadata (string key, string value);
		[CCode (cname = "gst_element_class_add_static_pad_template")]
		[Version (since = "1.8")]
		public class void add_static_pad_template (Gst.StaticPadTemplate static_templ);
		[CCode (cname = "gst_element_class_add_static_pad_template_with_gtype")]
		[Version (since = "1.14")]
		public class void add_static_pad_template_with_gtype (Gst.StaticPadTemplate static_templ, GLib.Type pad_type);
		[Version (since = "1.10")]
		public void call_async (owned Gst.ElementCallAsyncFunc func);
		public virtual Gst.StateChangeReturn change_state (Gst.StateChange transition);
		public class unowned string class_get_metadata (string key);
		public class unowned Gst.PadTemplate? class_get_pad_template (string name);
		public class unowned GLib.List<Gst.PadTemplate> class_get_pad_template_list ();
		public Gst.StateChangeReturn continue_state (Gst.StateChangeReturn ret);
		public void create_all_pads ();
		[Version (since = "1.14")]
		public bool foreach_pad (Gst.ElementForeachPadFunc func);
		[Version (since = "1.14")]
		public bool foreach_sink_pad (Gst.ElementForeachPadFunc func);
		[Version (since = "1.14")]
		public bool foreach_src_pad (Gst.ElementForeachPadFunc func);
		public Gst.ClockTime get_base_time ();
		public Gst.Bus? get_bus ();
		public Gst.Clock? get_clock ();
		public Gst.Pad? get_compatible_pad (Gst.Pad pad, Gst.Caps? caps);
		public unowned Gst.PadTemplate? get_compatible_pad_template (Gst.PadTemplate compattempl);
		[Version (since = "1.8")]
		public Gst.Context get_context (string context_type);
		[Version (since = "1.8")]
		public Gst.Context? get_context_unlocked (string context_type);
		[Version (since = "1.8")]
		public GLib.List<Gst.Context> get_contexts ();
		public unowned Gst.ElementFactory get_factory ();
		[Version (since = "1.14")]
		public unowned string get_metadata (string key);
		[Version (since = "1.14")]
		public unowned Gst.PadTemplate? get_pad_template (string name);
		[Version (since = "1.14")]
		public unowned GLib.List<Gst.PadTemplate> get_pad_template_list ();
		public Gst.Pad? get_request_pad (string name);
		public Gst.ClockTime get_start_time ();
		public virtual Gst.StateChangeReturn get_state (out Gst.State state, out Gst.State pending, Gst.ClockTime timeout);
		public Gst.Pad? get_static_pad (string name);
		public bool is_locked_state ();
		public Gst.Iterator iterate_pads ();
		public Gst.Iterator iterate_sink_pads ();
		public Gst.Iterator iterate_src_pads ();
		public bool link (Gst.Element dest);
		public bool link_filtered (Gst.Element dest, Gst.Caps? filter);
		public bool link_many (params Gst.Element[] elements);
		[CCode (cname = "gst_element_link_pads_full")]
		public bool link_pads (string? srcpadname, Gst.Element dest, string? destpadname, Gst.PadLinkCheck flags = Gst.PadLinkCheck.DEFAULT);
		public bool link_pads_filtered (string? srcpadname, Gst.Element dest, string? destpadname, Gst.Caps? filter);
		public void lost_state ();
		[CCode (returns_floating_reference = true)]
		public static Gst.Element? make_from_uri (Gst.URIType type, string uri, string? elementname) throws GLib.Error;
		public void message_full (Gst.MessageType type, GLib.Quark domain, int code, owned string? text, owned string? debug, string file, string function, int line);
		[Version (since = "1.10")]
		public void message_full_with_details (Gst.MessageType type, GLib.Quark domain, int code, owned string? text, owned string? debug, string file, string function, int line, owned Gst.Structure structure);
		public virtual bool post_message (owned Gst.Message message);
		public virtual Gst.Clock? provide_clock ();
		public virtual bool query (Gst.Query query);
		public bool query_convert (Gst.Format src_format, int64 src_val, Gst.Format dest_format, out int64 dest_val);
		public bool query_duration (Gst.Format format, out int64 duration);
		public bool query_position (Gst.Format format, out int64 cur);
		public static bool register (Gst.Plugin? plugin, string name, uint rank, GLib.Type type);
		[NoWrapper]
		public virtual void release_pad (Gst.Pad pad);
		public void release_request_pad (Gst.Pad pad);
		public bool remove_pad (Gst.Pad pad);
		[Version (since = "1.10")]
		public void remove_property_notify_watch (ulong watch_id);
		[CCode (vfunc_name = "request_new_pad")]
		public virtual Gst.Pad? request_pad (Gst.PadTemplate templ, string? name, Gst.Caps? caps);
		public bool seek (double rate, Gst.Format format, Gst.SeekFlags flags, Gst.SeekType start_type, int64 start, Gst.SeekType stop_type, int64 stop);
		public bool seek_simple (Gst.Format format, Gst.SeekFlags seek_flags, int64 seek_pos);
		public virtual bool send_event (owned Gst.Event event);
		public void set_base_time (Gst.ClockTime time);
		public virtual void set_bus (Gst.Bus? bus);
		public virtual bool set_clock (Gst.Clock? clock);
		public virtual void set_context (Gst.Context context);
		public bool set_locked_state (bool locked_state);
		[CCode (cname = "gst_element_class_set_metadata")]
		public class void set_metadata (string longname, string classification, string description, string author);
		public void set_start_time (Gst.ClockTime time);
		public virtual Gst.StateChangeReturn set_state (Gst.State state);
		[CCode (cname = "gst_element_class_set_static_metadata")]
		public class void set_static_metadata (string longname, string classification, string description, string author);
		public static unowned string state_change_return_get_name (Gst.StateChangeReturn state_ret);
		[NoWrapper]
		public virtual void state_changed (Gst.State oldstate, Gst.State newstate, Gst.State pending);
		public static unowned string state_get_name (Gst.State state);
		public bool sync_state_with_parent ();
		public void unlink (Gst.Element dest);
		public void unlink_many (params Gst.Element[] elements);
		public void unlink_pads (string srcpadname, Gst.Element dest, string destpadname);
		[HasEmitter]
		public virtual signal void no_more_pads ();
		public virtual signal void pad_added (Gst.Pad pad);
		public virtual signal void pad_removed (Gst.Pad pad);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_element_factory_get_type ()")]
	public class ElementFactory : Gst.PluginFeature {
		[CCode (has_construct_function = false)]
		protected ElementFactory ();
		public bool can_sink_all_caps (Gst.Caps caps);
		public bool can_sink_any_caps (Gst.Caps caps);
		public bool can_src_all_caps (Gst.Caps caps);
		public bool can_src_any_caps (Gst.Caps caps);
		[CCode (returns_floating_reference = true)]
		public Gst.Element? create (string? name);
		public static Gst.ElementFactory? find (string name);
		public GLib.Type get_element_type ();
		public unowned string? get_metadata (string key);
		[CCode (array_length = false, array_null_terminated = true)]
		public string[]? get_metadata_keys ();
		public uint get_num_pad_templates ();
		public unowned GLib.List<Gst.StaticPadTemplate?> get_static_pad_templates ();
		[CCode (array_length = false, array_null_terminated = true)]
		public unowned string[] get_uri_protocols ();
		public Gst.URIType get_uri_type ();
		public bool has_interface (string interfacename);
		public static GLib.List<Gst.ElementFactory> list_filter (GLib.List<Gst.ElementFactory> list, Gst.Caps caps, Gst.PadDirection direction, bool subsetonly);
		public static GLib.List<Gst.ElementFactory> list_get_elements (Gst.ElementFactoryListType type, Gst.Rank minrank);
		public bool list_is_type (Gst.ElementFactoryListType type);
		[CCode (returns_floating_reference = true)]
		public static Gst.Element? make (string factoryname, string? name);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_event_ref", type_id = "gst_event_get_type ()", unref_function = "gst_event_unref")]
	[Compact]
	public class Event : Gst.MiniObject {
		public uint32 seqnum;
		public uint64 timestamp;
		public Gst.EventType type;
		[CCode (has_construct_function = false)]
		public Event.buffer_size (Gst.Format format, int64 minsize, int64 maxsize, bool @async);
		[CCode (has_construct_function = false)]
		public Event.caps (Gst.Caps caps);
		public void copy_segment (Gst.Segment segment);
		[CCode (has_construct_function = false)]
		public Event.custom (Gst.EventType type, owned Gst.Structure structure);
		[CCode (has_construct_function = false)]
		public Event.eos ();
		[CCode (has_construct_function = false)]
		public Event.flush_start ();
		[CCode (has_construct_function = false)]
		public Event.flush_stop (bool reset_time);
		[CCode (has_construct_function = false)]
		public Event.gap (Gst.ClockTime timestamp, Gst.ClockTime duration);
		[Version (since = "1.4")]
		public int64 get_running_time_offset ();
		public uint32 get_seqnum ();
		public unowned Gst.Structure? get_structure ();
		public bool has_name (string name);
		[CCode (has_construct_function = false)]
		public Event.latency (Gst.ClockTime latency);
		[CCode (has_construct_function = false)]
		public Event.navigation (owned Gst.Structure structure);
		public void parse_buffer_size (out Gst.Format format, out int64 minsize, out int64 maxsize, out bool @async);
		public void parse_caps (out unowned Gst.Caps caps);
		public void parse_flush_stop (out bool reset_time);
		public void parse_gap (out Gst.ClockTime timestamp, out Gst.ClockTime duration);
		[Version (since = "1.2")]
		public bool parse_group_id (out uint group_id);
		public void parse_latency (out Gst.ClockTime latency);
		[Version (since = "1.6")]
		public void parse_protection (out unowned string system_id, out unowned Gst.Buffer data, out unowned string origin);
		public void parse_qos (out Gst.QOSType type, out double proportion, out Gst.ClockTimeDiff diff, out Gst.ClockTime timestamp);
		public void parse_seek (out double rate, out Gst.Format format, out Gst.SeekFlags flags, out Gst.SeekType start_type, out int64 start, out Gst.SeekType stop_type, out int64 stop);
		public void parse_segment (out unowned Gst.Segment segment);
		public void parse_segment_done (out Gst.Format format, out int64 position);
		[Version (since = "1.10")]
		public void parse_select_streams (out GLib.List<string> streams);
		public void parse_sink_message (out Gst.Message msg);
		public void parse_step (out Gst.Format format, out uint64 amount, out double rate, out bool flush, out bool intermediate);
		[Version (since = "1.10")]
		public void parse_stream (out Gst.Stream stream);
		[Version (since = "1.10")]
		public void parse_stream_collection (out Gst.StreamCollection collection);
		[Version (since = "1.2")]
		public void parse_stream_flags (out Gst.StreamFlags flags);
		[Version (since = "1.10")]
		public void parse_stream_group_done (out uint group_id);
		public void parse_stream_start (out unowned string stream_id);
		public void parse_tag (out unowned Gst.TagList taglist);
		public void parse_toc (out Gst.Toc toc, out bool updated);
		public void parse_toc_select (out string uid);
		[CCode (has_construct_function = false)]
		[Version (since = "1.6")]
		public Event.protection (string system_id, Gst.Buffer data, string origin);
		[CCode (has_construct_function = false)]
		public Event.qos (Gst.QOSType type, double proportion, Gst.ClockTimeDiff diff, Gst.ClockTime timestamp);
		[CCode (has_construct_function = false)]
		public Event.reconfigure ();
		[CCode (has_construct_function = false)]
		public Event.seek (double rate, Gst.Format format, Gst.SeekFlags flags, Gst.SeekType start_type, int64 start, Gst.SeekType stop_type, int64 stop);
		[CCode (has_construct_function = false)]
		public Event.segment (Gst.Segment segment);
		[CCode (has_construct_function = false)]
		public Event.segment_done (Gst.Format format, int64 position);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Event.select_streams (GLib.List<string> streams);
		[Version (since = "1.2")]
		public void set_group_id (uint group_id);
		[Version (since = "1.4")]
		public void set_running_time_offset (int64 offset);
		public void set_seqnum (uint32 seqnum);
		[Version (since = "1.10")]
		public void set_stream (Gst.Stream stream);
		[Version (since = "1.2")]
		public void set_stream_flags (Gst.StreamFlags flags);
		[CCode (has_construct_function = false)]
		public Event.sink_message (string name, Gst.Message msg);
		[CCode (has_construct_function = false)]
		public Event.step (Gst.Format format, uint64 amount, double rate, bool flush, bool intermediate);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Event.stream_collection (Gst.StreamCollection collection);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Event.stream_group_done (uint group_id);
		[CCode (has_construct_function = false)]
		public Event.stream_start (string stream_id);
		[CCode (has_construct_function = false)]
		public Event.tag (owned Gst.TagList taglist);
		[CCode (has_construct_function = false)]
		public Event.toc (Gst.Toc toc, bool updated);
		[CCode (has_construct_function = false)]
		public Event.toc_select (string uid);
		public unowned Gst.Structure writable_structure ();
	}
	[CCode (cheader_filename = "gst/gst.h", lower_case_csuffix = "flagset", type_id = "gst_flagset_get_type ()")]
	public class FlagSet {
		[CCode (has_construct_function = false)]
		protected FlagSet ();
		[Version (since = "1.6")]
		public static GLib.Type register (GLib.Type flags_type);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_fraction_get_type ()")]
	public class Fraction {
		[CCode (has_construct_function = false)]
		protected Fraction ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_fraction_range_get_type ()")]
	public class FractionRange {
		[CCode (has_construct_function = false)]
		protected FractionRange ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_ghost_pad_get_type ()")]
	public class GhostPad : Gst.ProxyPad {
		[CCode (has_construct_function = false, returns_floating_reference = true, type = "GstPad*")]
		public GhostPad (string? name, Gst.Pad target);
		public static bool activate_mode_default (Gst.Pad pad, Gst.Object? parent, Gst.PadMode mode, bool active);
		public bool @construct ();
		[CCode (has_construct_function = false, type = "GstPad*")]
		public GhostPad.from_template (string? name, Gst.Pad target, Gst.PadTemplate templ);
		public Gst.Pad? get_target ();
		public static bool internal_activate_mode_default (Gst.Pad pad, Gst.Object? parent, Gst.PadMode mode, bool active);
		[CCode (has_construct_function = false, type = "GstPad*")]
		public GhostPad.no_target (string? name, Gst.PadDirection dir);
		[CCode (has_construct_function = false, type = "GstPad*")]
		public GhostPad.no_target_from_template (string? name, Gst.PadTemplate templ);
		public bool set_target (Gst.Pad? newtarget);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_int64_range_get_type ()")]
	public class Int64Range {
		[CCode (has_construct_function = false)]
		protected Int64Range ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_int_range_get_type ()")]
	public class IntRange {
		[CCode (has_construct_function = false)]
		protected IntRange ();
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "gst_iterator_copy", free_function = "gst_iterator_free", type_id = "gst_iterator_get_type ()")]
	[Compact]
	public class Iterator {
		public uint32 cookie;
		public weak Gst.IteratorItemFunction item;
		public GLib.Mutex @lock;
		public uint32 master_cookie;
		public weak Gst.Iterator pushed;
		public uint size;
		public GLib.Type type;
		[CCode (simple_generics = true)]
		public Gst.Iterator filter<T> ([CCode (type = "GCompareFunc")] GLib.SearchFunc<GLib.Value,T> func, T user_data);
		[CCode (simple_generics = true)]
		public bool find_custom<T> ([CCode (type = "GCompareFunc")] GLib.SearchFunc<GLib.Value,T> func, out GLib.Value elem, T user_data);
		public Gst.IteratorResult fold ([CCode (delegate_target_pos = 2.1)] Gst.IteratorFoldFunction func, GLib.Value ret);
		public Gst.IteratorResult @foreach (Gst.IteratorForeachFunction func);
		public void free ();
		public Gst.IteratorResult next (out GLib.Value elem);
		public void push (Gst.Iterator other);
		public void resync ();
		[CCode (has_construct_function = false)]
		public Iterator.single (GLib.Type type, GLib.Value object);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_memory_ref", type_id = "gst_memory_get_type ()", unref_function = "gst_memory_unref")]
	[Compact]
	public class Memory : Gst.MiniObject {
		public size_t align;
		public weak Gst.Allocator allocator;
		public size_t maxsize;
		public size_t offset;
		public weak Gst.Memory parent;
		public size_t size;
		public Gst.Memory copy (ssize_t offset, ssize_t size);
		public size_t get_sizes (out size_t offset, out size_t maxsize);
		public bool is_span (Gst.Memory mem2, out size_t offset);
		[Version (since = "1.2")]
		public bool is_type (string mem_type);
		public Gst.Memory? make_mapped (out Gst.MapInfo info, Gst.MapFlags flags);
		public bool map (out Gst.MapInfo info, Gst.MapFlags flags);
		[CCode (has_construct_function = false, simple_generics = true)]
		public static Gst.Memory new_wrapped<T> (Gst.MemoryFlags flags, [CCode (array_length_cname = "maxsize", array_length_pos = 2.5, array_length_type = "gsize")] uint8[] data, size_t offset, size_t size, owned T user_data);
		public void resize (ssize_t offset, size_t size);
		public Gst.Memory share (ssize_t offset, ssize_t size);
		public void unmap (Gst.MapInfo info);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_message_ref", type_id = "gst_message_get_type ()", unref_function = "gst_message_unref")]
	[Compact]
	public class Message : Gst.MiniObject {
		public uint32 seqnum;
		public weak Gst.Object src;
		public uint64 timestamp;
		public Gst.MessageType type;
		[Version (since = "1.10")]
		public void add_redirect_entry (string location, owned Gst.TagList? tag_list, owned Gst.Structure? entry_struct);
		[CCode (has_construct_function = false)]
		public Message.application (Gst.Object? src, owned Gst.Structure structure);
		[CCode (has_construct_function = false)]
		public Message.async_done (Gst.Object? src, Gst.ClockTime running_time);
		[CCode (has_construct_function = false)]
		public Message.async_start (Gst.Object? src);
		[CCode (has_construct_function = false)]
		public Message.buffering (Gst.Object? src, int percent);
		[CCode (has_construct_function = false)]
		public Message.clock_lost (Gst.Object? src, Gst.Clock clock);
		[CCode (has_construct_function = false)]
		public Message.clock_provide (Gst.Object? src, Gst.Clock clock, bool ready);
		[CCode (has_construct_function = false)]
		public Message.custom (Gst.MessageType type, Gst.Object? src, owned Gst.Structure? structure);
		[CCode (has_construct_function = false)]
		[Version (since = "1.4")]
		public Message.device_added (Gst.Object src, Gst.Device device);
		[CCode (has_construct_function = false)]
		[Version (since = "1.4")]
		public Message.device_removed (Gst.Object src, Gst.Device device);
		[CCode (has_construct_function = false)]
		public Message.duration_changed (Gst.Object? src);
		[CCode (has_construct_function = false)]
		public Message.element (Gst.Object? src, owned Gst.Structure structure);
		[CCode (has_construct_function = false)]
		public Message.eos (Gst.Object? src);
		[CCode (has_construct_function = false)]
		public Message.error (Gst.Object? src, GLib.Error error, string debug);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.error_with_details (Gst.Object? src, GLib.Error error, string debug, owned Gst.Structure details);
		[Version (since = "1.10")]
		public size_t get_num_redirect_entries ();
		public uint32 get_seqnum ();
		public unowned GLib.Value? get_stream_status_object ();
		public unowned Gst.Structure? get_structure ();
		public bool has_name (string name);
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public Message.have_context (Gst.Object? src, owned Gst.Context context);
		[CCode (has_construct_function = false)]
		public Message.info (Gst.Object? src, GLib.Error error, string debug);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.info_with_details (Gst.Object? src, GLib.Error error, string debug, owned Gst.Structure details);
		[CCode (has_construct_function = false)]
		public Message.latency (Gst.Object? src);
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public Message.need_context (Gst.Object? src, string context_type);
		[CCode (has_construct_function = false)]
		public Message.new_clock (Gst.Object? src, Gst.Clock clock);
		public void parse_async_done (out Gst.ClockTime running_time);
		public void parse_buffering (out int percent);
		public void parse_buffering_stats (out Gst.BufferingMode mode, out int avg_in, out int avg_out, out int64 buffering_left);
		public void parse_clock_lost (out unowned Gst.Clock clock);
		public void parse_clock_provide (out unowned Gst.Clock clock, out bool ready);
		[Version (since = "1.2")]
		public bool parse_context_type (out unowned string context_type);
		[Version (since = "1.4")]
		public void parse_device_added (out Gst.Device device);
		[Version (since = "1.4")]
		public void parse_device_removed (out Gst.Device device);
		public void parse_error (out GLib.Error gerror, out string debug);
		[Version (since = "1.10")]
		public void parse_error_details (out unowned Gst.Structure structure);
		[Version (since = "1.2")]
		public bool parse_group_id (out uint group_id);
		[Version (since = "1.2")]
		public void parse_have_context (out Gst.Context context);
		public void parse_info (out GLib.Error gerror, out string debug);
		[Version (since = "1.10")]
		public void parse_info_details (out unowned Gst.Structure structure);
		public void parse_new_clock (out unowned Gst.Clock clock);
		public void parse_progress (out Gst.ProgressType type, out string code, out string text);
		[Version (since = "1.10")]
		public void parse_property_notify (out unowned Gst.Object object, out unowned string property_name, out GLib.Value property_value);
		public void parse_qos (out bool live, out uint64 running_time, out uint64 stream_time, out uint64 timestamp, out uint64 duration);
		public void parse_qos_stats (out Gst.Format format, out uint64 processed, out uint64 dropped);
		public void parse_qos_values (out int64 jitter, out double proportion, out int quality);
		[Version (since = "1.10")]
		public void parse_redirect_entry (size_t entry_index, out unowned string location, out unowned Gst.TagList tag_list, out unowned Gst.Structure entry_struct);
		public void parse_request_state (out Gst.State state);
		public void parse_reset_time (out Gst.ClockTime running_time);
		public void parse_segment_done (out Gst.Format format, out int64 position);
		public void parse_segment_start (out Gst.Format format, out int64 position);
		public void parse_state_changed (out Gst.State oldstate, out Gst.State newstate, out Gst.State pending);
		public void parse_step_done (out Gst.Format format, out uint64 amount, out double rate, out bool flush, out bool intermediate, out uint64 duration, out bool eos);
		public void parse_step_start (out bool active, out Gst.Format format, out uint64 amount, out double rate, out bool flush, out bool intermediate);
		[Version (since = "1.10")]
		public void parse_stream_collection (out Gst.StreamCollection collection);
		public void parse_stream_status (out Gst.StreamStatusType type, out unowned Gst.Element owner);
		[Version (since = "1.10")]
		public void parse_streams_selected (out Gst.StreamCollection collection);
		public void parse_structure_change (out Gst.StructureChangeType type, out unowned Gst.Element owner, out bool busy);
		public void parse_tag (out Gst.TagList tag_list);
		public void parse_toc (out Gst.Toc toc, out bool updated);
		public void parse_warning (out GLib.Error gerror, out string debug);
		[Version (since = "1.10")]
		public void parse_warning_details (out unowned Gst.Structure structure);
		[CCode (has_construct_function = false)]
		public Message.progress (Gst.Object src, Gst.ProgressType type, string code, string text);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.property_notify (Gst.Object src, string property_name, owned GLib.Value? val);
		[CCode (has_construct_function = false)]
		public Message.qos (Gst.Object src, bool live, uint64 running_time, uint64 stream_time, uint64 timestamp, uint64 duration);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.redirect (Gst.Object src, string location, owned Gst.TagList? tag_list, owned Gst.Structure? entry_struct);
		[CCode (has_construct_function = false)]
		public Message.request_state (Gst.Object? src, Gst.State state);
		[CCode (has_construct_function = false)]
		public Message.reset_time (Gst.Object? src, Gst.ClockTime running_time);
		[CCode (has_construct_function = false)]
		public Message.segment_done (Gst.Object? src, Gst.Format format, int64 position);
		[CCode (has_construct_function = false)]
		public Message.segment_start (Gst.Object? src, Gst.Format format, int64 position);
		public void set_buffering_stats (Gst.BufferingMode mode, int avg_in, int avg_out, int64 buffering_left);
		[Version (since = "1.2")]
		public void set_group_id (uint group_id);
		public void set_qos_stats (Gst.Format format, uint64 processed, uint64 dropped);
		public void set_qos_values (int64 jitter, double proportion, int quality);
		public void set_seqnum (uint32 seqnum);
		public void set_stream_status_object (GLib.Value object);
		[CCode (has_construct_function = false)]
		public Message.state_changed (Gst.Object? src, Gst.State oldstate, Gst.State newstate, Gst.State pending);
		[CCode (has_construct_function = false)]
		public Message.state_dirty (Gst.Object? src);
		[CCode (has_construct_function = false)]
		public Message.step_done (Gst.Object src, Gst.Format format, uint64 amount, double rate, bool flush, bool intermediate, uint64 duration, bool eos);
		[CCode (has_construct_function = false)]
		public Message.step_start (Gst.Object src, bool active, Gst.Format format, uint64 amount, double rate, bool flush, bool intermediate);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.stream_collection (Gst.Object src, Gst.StreamCollection collection);
		[CCode (has_construct_function = false)]
		public Message.stream_start (Gst.Object? src);
		[CCode (has_construct_function = false)]
		public Message.stream_status (Gst.Object src, Gst.StreamStatusType type, Gst.Element owner);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.streams_selected (Gst.Object src, Gst.StreamCollection collection);
		[Version (since = "1.10")]
		public void streams_selected_add (Gst.Stream stream);
		[Version (since = "1.10")]
		public uint streams_selected_get_size ();
		[Version (since = "1.10")]
		public Gst.Stream? streams_selected_get_stream (uint idx);
		[CCode (has_construct_function = false)]
		public Message.structure_change (Gst.Object? src, Gst.StructureChangeType type, Gst.Element owner, bool busy);
		[CCode (has_construct_function = false)]
		public Message.tag (Gst.Object? src, owned Gst.TagList tag_list);
		[CCode (has_construct_function = false)]
		public Message.toc (Gst.Object src, Gst.Toc toc, bool updated);
		[CCode (has_construct_function = false)]
		public Message.warning (Gst.Object? src, GLib.Error error, string debug);
		[CCode (has_construct_function = false)]
		[Version (since = "1.10")]
		public Message.warning_with_details (Gst.Object? src, GLib.Error error, string debug, owned Gst.Structure details);
		[Version (since = "1.14")]
		public unowned Gst.Structure writable_structure ();
	}
	[CCode (cheader_filename = "gst/gst.h", get_value_function = "g_value_get_boxed", has_type_id = false, ref_function = "gst_mini_object_ref", set_value_function = "g_value_set_boxed", take_value_function = "g_value_take_boxed", unref_function = "gst_mini_object_unref")]
	[Compact]
	public abstract class MiniObject {
		public weak Gst.MiniObjectDisposeFunction dispose;
		public uint flags;
		public weak Gst.MiniObjectFreeFunction free;
		public int lockstate;
		public int refcount;
		public GLib.Type type;
		[CCode (simple_generics = true)]
		public T get_qdata<T> (GLib.Quark quark);
		public bool is_writable ();
		public bool @lock (Gst.LockFlags flags);
		[ReturnsModifiedPointer]
		public Gst.MiniObject make_writable ();
		public unowned Gst.MiniObject @ref ();
		public static bool replace (ref Gst.MiniObject? olddata, Gst.MiniObject? newdata);
		[CCode (simple_generics = true)]
		public void set_qdata<T> (GLib.Quark quark, owned T data);
		public void* steal_qdata (GLib.Quark quark);
		public static bool take (ref Gst.MiniObject olddata, Gst.MiniObject newdata);
		public void unlock (Gst.LockFlags flags);
		public void unref ();
		public void weak_ref (Gst.MiniObjectNotify notify);
		public void weak_unref (Gst.MiniObjectNotify notify);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_object_get_type ()")]
	public abstract class Object : GLib.InitiallyUnowned {
		public uint32 flags;
		public GLib.Mutex @lock;
		[CCode (has_construct_function = false)]
		protected Object ();
		public bool add_control_binding (Gst.ControlBinding binding);
		public static bool check_uniqueness (GLib.List<Gst.Object> list, string name);
		public static void default_deep_notify (GLib.Object object, Gst.Object orig, GLib.ParamSpec pspec, [CCode (array_length = false, array_null_terminated = true)] string[]? excluded_props);
		public void default_error (GLib.Error error, string? debug);
		public Gst.ControlBinding? get_control_binding (string property_name);
		public Gst.ClockTime get_control_rate ();
		public bool get_g_value_array (string property_name, Gst.ClockTime timestamp, Gst.ClockTime interval, [CCode (array_length_cname = "n_values", array_length_pos = 3.5, array_length_type = "guint")] GLib.Value[] values);
		public string? get_name ();
		public Gst.Object? get_parent ();
		public string get_path_string ();
		public GLib.Value? get_value (string property_name, Gst.ClockTime timestamp);
		public bool has_active_control_bindings ();
		[Version (deprecated = true)]
		public bool has_ancestor (Gst.Object ancestor);
		public bool has_as_ancestor (Gst.Object ancestor);
		[Version (since = "1.6")]
		public bool has_as_parent (Gst.Object parent);
		public unowned Gst.Object @ref ();
		public bool remove_control_binding (Gst.ControlBinding binding);
		public static bool replace (ref Gst.Object? oldobj, Gst.Object? newobj);
		public void set_control_binding_disabled (string property_name, bool disabled);
		public void set_control_bindings_disabled (bool disabled);
		public void set_control_rate (Gst.ClockTime control_rate);
		public bool set_name (string? name);
		public bool set_parent (Gst.Object parent);
		public Gst.ClockTime suggest_next_sync ();
		public bool sync_values (Gst.ClockTime timestamp);
		public void unparent ();
		public void unref ();
		public string name { owned get; set construct; }
		public Gst.Object parent { owned get; set; }
		public virtual signal void deep_notify (Gst.Object orig, GLib.ParamSpec pspec);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_pad_get_type ()")]
	public class Pad : Gst.Object {
		public void* element_private;
		public weak Gst.PadTemplate padtemplate;
		[CCode (has_construct_function = false, returns_floating_reference = true)]
		public Pad (string? name, Gst.PadDirection direction);
		public bool activate_mode (Gst.PadMode mode, bool active);
		public ulong add_probe (Gst.PadProbeType mask, owned Gst.PadProbeCallback callback);
		public bool can_link (Gst.Pad sinkpad);
		public Gst.FlowReturn chain (owned Gst.Buffer buffer);
		public Gst.FlowReturn chain_list (owned Gst.BufferList list);
		public bool check_reconfigure ();
		public string create_stream_id (Gst.Element parent, string? stream_id);
		[PrintfFormat]
		public string create_stream_id_printf (Gst.Element parent, string? stream_id, ...);
		public string create_stream_id_printf_valist (Gst.Element parent, string? stream_id, va_list var_args);
		public bool event_default (Gst.Object? parent, owned Gst.Event event);
		public bool forward (Gst.PadForwardFunction forward);
		[CCode (has_construct_function = false)]
		public Pad.from_static_template (Gst.StaticPadTemplate templ, string name);
		[CCode (has_construct_function = false, returns_floating_reference = true)]
		public Pad.from_template (Gst.PadTemplate templ, string? name);
		public Gst.Caps? get_allowed_caps ();
		public Gst.Caps? get_current_caps ();
		public Gst.PadDirection get_direction ();
		public void* get_element_private ();
		[Version (since = "1.4")]
		public Gst.FlowReturn get_last_flow_return ();
		public int64 get_offset ();
		public Gst.PadTemplate? get_pad_template ();
		public Gst.Caps get_pad_template_caps ();
		public Gst.Element? get_parent_element ();
		public Gst.Pad? get_peer ();
		public Gst.FlowReturn get_range (uint64 offset, uint size, out Gst.Buffer buffer);
		public Gst.Event? get_sticky_event (Gst.EventType event_type, uint idx);
		[Version (since = "1.10")]
		public Gst.Stream? get_stream ();
		[Version (since = "1.2")]
		public string? get_stream_id ();
		[Version (since = "1.12")]
		public Gst.TaskState get_task_state ();
		public bool has_current_caps ();
		public bool is_active ();
		public bool is_blocked ();
		public bool is_blocking ();
		public bool is_linked ();
		public Gst.Iterator? iterate_internal_links ();
		public Gst.Iterator? iterate_internal_links_default (Gst.Object? parent);
		[CCode (cname = "gst_pad_link_full")]
		public Gst.PadLinkReturn link (Gst.Pad sinkpad, Gst.PadLinkCheck flags = Gst.PadLinkCheck.DEFAULT);
		[Version (since = "1.4")]
		public static unowned string link_get_name (Gst.PadLinkReturn ret);
		[Version (since = "1.10")]
		public bool link_maybe_ghosting (Gst.Pad sink);
		[Version (since = "1.10")]
		public bool link_maybe_ghosting_full (Gst.Pad sink, Gst.PadLinkCheck flags);
		public void mark_reconfigure ();
		public bool needs_reconfigure ();
		public bool pause_task ();
		public bool peer_query (Gst.Query query);
		public bool peer_query_accept_caps (Gst.Caps caps);
		public Gst.Caps peer_query_caps (Gst.Caps? filter);
		public bool peer_query_convert (Gst.Format src_format, int64 src_val, Gst.Format dest_format, out int64 dest_val);
		public bool peer_query_duration (Gst.Format format, out int64 duration);
		public bool peer_query_position (Gst.Format format, out int64 cur);
		public bool proxy_query_accept_caps (Gst.Query query);
		public bool proxy_query_caps (Gst.Query query);
		public Gst.FlowReturn pull_range (uint64 offset, uint size, out Gst.Buffer buffer);
		public Gst.FlowReturn push (owned Gst.Buffer buffer);
		public bool push_event (owned Gst.Event event);
		public Gst.FlowReturn push_list (owned Gst.BufferList list);
		public bool query (Gst.Query query);
		public bool query_accept_caps (Gst.Caps caps);
		public Gst.Caps query_caps (Gst.Caps? filter);
		public bool query_convert (Gst.Format src_format, int64 src_val, Gst.Format dest_format, out int64 dest_val);
		public bool query_default (Gst.Object? parent, Gst.Query query);
		public bool query_duration (Gst.Format format, out int64 duration);
		public bool query_position (Gst.Format format, out int64 cur);
		public void remove_probe (ulong id);
		public bool send_event (owned Gst.Event event);
		[CCode (cname = "gst_pad_set_activate_function_full")]
		public void set_activate_function (Gst.PadActivateFunction activate, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_activatemode_function_full")]
		public void set_activatemode_function (Gst.PadActivateModeFunction activatemode, void* user_data = null, GLib.DestroyNotify? notify = null);
		public bool set_active (bool active);
		[CCode (cname = "gst_pad_set_chain_function_full")]
		public void set_chain_function (Gst.PadChainFunction chain, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_chain_list_function_full")]
		public void set_chain_list_function (Gst.PadChainListFunction chainlist, void* user_data = null, GLib.DestroyNotify? notify = null);
		public void set_element_private (void* priv);
		[Version (since = "1.8")]
		public void set_event_full_function_full (owned Gst.PadEventFullFunction event);
		[CCode (cname = "gst_pad_set_event_function_full")]
		public void set_event_function (Gst.PadEventFunction event, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_getrange_function_full")]
		public void set_getrange_function (Gst.PadGetRangeFunction @get, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_iterate_internal_links_function_full")]
		public void set_iterate_internal_links_function (Gst.PadIterIntLinkFunction iterintlink, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_link_function_full")]
		public void set_link_function (Gst.PadLinkFunction link, void* user_data = null, GLib.DestroyNotify? notify = null);
		public void set_offset (int64 offset);
		[CCode (cname = "gst_pad_set_query_function_full")]
		public void set_query_function (Gst.PadQueryFunction query, void* user_data = null, GLib.DestroyNotify? notify = null);
		[CCode (cname = "gst_pad_set_unlink_function_full")]
		public void set_unlink_function (Gst.PadUnlinkFunction unlink, void* user_data = null, GLib.DestroyNotify? notify = null);
		public bool start_task (owned Gst.TaskFunction func);
		public void sticky_events_foreach (Gst.PadStickyEventsForeachFunction foreach_func);
		public bool stop_task ();
		[Version (since = "1.2")]
		public Gst.FlowReturn store_sticky_event (Gst.Event event);
		public bool unlink (Gst.Pad sinkpad);
		public void use_fixed_caps ();
		[NoAccessorMethod]
		public Gst.Caps caps { owned get; }
		public Gst.PadDirection direction { get; construct; }
		[Version (since = "1.6")]
		public int64 offset { get; set; }
		[NoAccessorMethod]
		public Gst.PadTemplate template { owned get; set; }
		public virtual signal void linked (Gst.Pad peer);
		public virtual signal void unlinked (Gst.Pad peer);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_pad_template_get_type ()")]
	public class PadTemplate : Gst.Object {
		[CCode (has_construct_function = false, returns_floating_reference = true)]
		public PadTemplate (string name_template, Gst.PadDirection direction, Gst.PadPresence presence, Gst.Caps caps);
		[CCode (has_construct_function = false)]
		[Version (since = "1.14")]
		public PadTemplate.from_static_pad_template_with_gtype (Gst.StaticPadTemplate pad_template, GLib.Type pad_type);
		public Gst.Caps get_caps ();
		[CCode (has_construct_function = false)]
		[Version (since = "1.14")]
		public PadTemplate.with_gtype (string name_template, Gst.PadDirection direction, Gst.PadPresence presence, Gst.Caps caps, GLib.Type pad_type);
		public Gst.Caps caps { owned get; construct; }
		[NoAccessorMethod]
		public Gst.PadDirection direction { get; construct; }
		[NoAccessorMethod]
		[Version (since = "1.14")]
		public GLib.Type gtype { get; construct; }
		[NoAccessorMethod]
		public string name_template { owned get; construct; }
		[NoAccessorMethod]
		public Gst.PadPresence presence { get; construct; }
		[HasEmitter]
		public virtual signal void pad_created (Gst.Pad pad);
	}
	[CCode (cheader_filename = "gst/gst.h", lower_case_csuffix = "param_spec_array", type_id = "gst_param_spec_array_get_type ()")]
	public class ParamArray : GLib.ParamSpec {
		[CCode (has_construct_function = false)]
		protected ParamArray ();
	}
	[CCode (cheader_filename = "gst/gst.h", lower_case_csuffix = "param_spec_fraction", type_id = "gst_param_spec_fraction_get_type ()")]
	public class ParamFraction : GLib.ParamSpec {
		[CCode (has_construct_function = false)]
		protected ParamFraction ();
	}
	[CCode (cheader_filename = "gst/gst.h", free_function = "gst_parse_context_free", type_id = "gst_parse_context_get_type ()")]
	[Compact]
	public class ParseContext {
		[CCode (has_construct_function = false)]
		public ParseContext ();
		public Gst.ParseContext? copy ();
		public void free ();
		[CCode (array_length = false, array_null_terminated = true)]
		public string[]? get_missing_elements ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_pipeline_get_type ()")]
	public class Pipeline : Gst.Bin, Gst.ChildProxy {
		public weak Gst.Clock fixed_clock;
		public Gst.ClockTime stream_time;
		[CCode (has_construct_function = false, returns_floating_reference = true, type = "GstElement*")]
		public Pipeline (string? name);
		public void auto_clock ();
		public bool get_auto_flush_bus ();
		public Gst.Bus get_bus ();
		public Gst.Clock get_clock ();
		public Gst.ClockTime get_delay ();
		[Version (since = "1.6")]
		public Gst.ClockTime get_latency ();
		[Version (since = "1.6")]
		public Gst.Clock get_pipeline_clock ();
		public void set_auto_flush_bus (bool auto_flush);
		public bool set_clock (Gst.Clock clock);
		public void set_delay (Gst.ClockTime delay);
		[Version (since = "1.6")]
		public void set_latency (Gst.ClockTime latency);
		public void use_clock (Gst.Clock? clock);
		public bool auto_flush_bus { get; set; }
		public uint64 delay { get; set; }
		[Version (since = "1.6")]
		public uint64 latency { get; set; }
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_plugin_get_type ()")]
	public class Plugin : Gst.Object {
		[CCode (has_construct_function = false)]
		protected Plugin ();
		public void add_dependency ([CCode (array_length = false, array_null_terminated = true)] string[]? env_vars, [CCode (array_length = false, array_null_terminated = true)] string[]? paths, [CCode (array_length = false, array_null_terminated = true)] string[]? names, Gst.PluginDependencyFlags flags);
		public void add_dependency_simple (string? env_vars, string? paths, string? names, Gst.PluginDependencyFlags flags);
		public unowned Gst.Structure? get_cache_data ();
		public unowned string get_description ();
		public unowned string get_filename ();
		public unowned string get_license ();
		public unowned string get_name ();
		public unowned string get_origin ();
		public unowned string get_package ();
		public unowned string? get_release_date_string ();
		public unowned string get_source ();
		public unowned string get_version ();
		public bool is_loaded ();
		public static void list_free (owned GLib.List<Gst.Plugin> list);
		public Gst.Plugin? load ();
		public static Gst.Plugin? load_by_name (string name);
		public static Gst.Plugin load_file (string filename) throws GLib.Error;
		public static bool register_static (int major_version, int minor_version, string name, string description, Gst.PluginInitFunc init_func, string version, string license, string source, string package, string origin);
		public static bool register_static_full (int major_version, int minor_version, string name, string description, [CCode (delegate_target_pos = 10.1)] Gst.PluginInitFullFunc init_full_func, string version, string license, string source, string package, string origin);
		public void set_cache_data (owned Gst.Structure cache_data);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_plugin_feature_get_type ()")]
	public abstract class PluginFeature : Gst.Object {
		[CCode (has_construct_function = false)]
		protected PluginFeature ();
		public bool check_version (uint min_major, uint min_minor, uint min_micro);
		public Gst.Plugin? get_plugin ();
		[Version (since = "1.2")]
		public unowned string? get_plugin_name ();
		public uint get_rank ();
		public static GLib.List<Gst.PluginFeature> list_copy (GLib.List<Gst.PluginFeature> list);
		public static void list_debug (GLib.List<Gst.PluginFeature> list);
		public static void list_free (owned GLib.List<Gst.PluginFeature> list);
		public Gst.PluginFeature? load ();
		public static int rank_compare_func (void* p1, void* p2);
		public void set_rank (uint rank);
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	[Compact]
	public class Poll {
		[CCode (has_construct_function = false)]
		public Poll (bool controllable);
		public bool add_fd (Gst.PollFD fd);
		public bool fd_can_read (Gst.PollFD fd);
		public bool fd_can_write (Gst.PollFD fd);
		public bool fd_ctl_read (Gst.PollFD fd, bool active);
		public bool fd_ctl_write (Gst.PollFD fd, bool active);
		public bool fd_has_closed (Gst.PollFD fd);
		public bool fd_has_error (Gst.PollFD fd);
		public void fd_ignored (Gst.PollFD fd);
		public void free ();
		public void get_read_gpollfd (GLib.PollFD fd);
		public bool read_control ();
		public bool remove_fd (Gst.PollFD fd);
		public void restart ();
		public bool set_controllable (bool controllable);
		public void set_flushing (bool flushing);
		[CCode (has_construct_function = false)]
		public Poll.timer ();
		public int wait (Gst.ClockTime timeout);
		public bool write_control ();
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "gst_promise_get_type ()")]
	[Compact]
	[Version (since = "1.14")]
	public class Promise {
		public weak Gst.MiniObject parent;
		[CCode (has_construct_function = false)]
		public Promise ();
		public void expire ();
		public unowned Gst.Structure get_reply ();
		public void interrupt ();
		public void reply (owned Gst.Structure s);
		public Gst.PromiseResult wait ();
		[CCode (has_construct_function = false)]
		public Promise.with_change_func (owned Gst.PromiseChangeFunc func);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_proxy_pad_get_type ()")]
	public class ProxyPad : Gst.Pad {
		[CCode (has_construct_function = false)]
		protected ProxyPad ();
		public static Gst.FlowReturn chain_default (Gst.Pad pad, Gst.Object? parent, owned Gst.Buffer buffer);
		public static Gst.FlowReturn chain_list_default (Gst.Pad pad, Gst.Object? parent, owned Gst.BufferList list);
		public Gst.ProxyPad? get_internal ();
		public static Gst.FlowReturn getrange_default (Gst.Pad pad, Gst.Object parent, uint64 offset, uint size, out Gst.Buffer buffer);
		public static Gst.Iterator? iterate_internal_links_default (Gst.Pad pad, Gst.Object? parent);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_query_ref", type_id = "gst_query_get_type ()", unref_function = "gst_query_unref")]
	[Compact]
	public class Query : Gst.MiniObject {
		public Gst.QueryType type;
		[CCode (has_construct_function = false)]
		public Query.accept_caps (Gst.Caps caps);
		public void add_allocation_meta (GLib.Type api, Gst.Structure? @params);
		public void add_allocation_param (Gst.Allocator? allocator, Gst.AllocationParams? @params);
		public void add_allocation_pool (Gst.BufferPool? pool, uint size, uint min_buffers, uint max_buffers);
		public bool add_buffering_range (int64 start, int64 stop);
		public void add_scheduling_mode (Gst.PadMode mode);
		[CCode (has_construct_function = false)]
		public Query.allocation (Gst.Caps caps, bool need_pool);
		[CCode (has_construct_function = false)]
		public Query.buffering (Gst.Format format);
		[CCode (has_construct_function = false)]
		public Query.caps (Gst.Caps filter);
		[CCode (has_construct_function = false)]
		[Version (since = "1.2")]
		public Query.context (string context_type);
		[CCode (has_construct_function = false)]
		public Query.convert (Gst.Format src_format, int64 value, Gst.Format dest_format);
		[CCode (has_construct_function = false)]
		public Query.custom (Gst.QueryType type, owned Gst.Structure? structure);
		[CCode (has_construct_function = false)]
		public Query.drain ();
		[CCode (has_construct_function = false)]
		public Query.duration (Gst.Format format);
		public bool find_allocation_meta (GLib.Type api, out uint index);
		[CCode (has_construct_function = false)]
		public Query.formats ();
		public uint get_n_allocation_metas ();
		public uint get_n_allocation_params ();
		public uint get_n_allocation_pools ();
		public uint get_n_buffering_ranges ();
		public uint get_n_scheduling_modes ();
		public unowned Gst.Structure? get_structure ();
		public bool has_scheduling_mode (Gst.PadMode mode);
		public bool has_scheduling_mode_with_flags (Gst.PadMode mode, Gst.SchedulingFlags flags);
		[CCode (has_construct_function = false)]
		public Query.latency ();
		public void parse_accept_caps (out unowned Gst.Caps caps);
		public void parse_accept_caps_result (out bool result);
		public void parse_allocation (out unowned Gst.Caps caps, out bool need_pool);
		public void parse_buffering_percent (out bool busy, out int percent);
		public void parse_buffering_range (out Gst.Format format, out int64 start, out int64 stop, out int64 estimated_total);
		public void parse_buffering_stats (out Gst.BufferingMode mode, out int avg_in, out int avg_out, out int64 buffering_left);
		public void parse_caps (out unowned Gst.Caps filter);
		public void parse_caps_result (out unowned Gst.Caps caps);
		[Version (since = "1.2")]
		public void parse_context (out unowned Gst.Context context);
		[Version (since = "1.2")]
		public bool parse_context_type (out unowned string context_type);
		public void parse_convert (out Gst.Format src_format, out int64 src_value, out Gst.Format dest_format, out int64 dest_value);
		public void parse_duration (out Gst.Format format, out int64 duration);
		public void parse_latency (out bool live, out Gst.ClockTime min_latency, out Gst.ClockTime max_latency);
		public void parse_n_formats (out uint n_formats);
		public GLib.Type parse_nth_allocation_meta (uint index, out unowned Gst.Structure @params);
		public void parse_nth_allocation_param (uint index, out Gst.Allocator allocator, out unowned Gst.AllocationParams @params);
		public void parse_nth_allocation_pool (uint index, out Gst.BufferPool pool, out uint size, out uint min_buffers, out uint max_buffers);
		public bool parse_nth_buffering_range (uint index, out int64 start, out int64 stop);
		public void parse_nth_format (uint nth, out Gst.Format format);
		public Gst.PadMode parse_nth_scheduling_mode (uint index);
		public void parse_position (out Gst.Format format, out int64 cur);
		public void parse_scheduling (out Gst.SchedulingFlags flags, out int minsize, out int maxsize, out int align);
		public void parse_seeking (out Gst.Format format, out bool seekable, out int64 segment_start, out int64 segment_end);
		public void parse_segment (out double rate, out Gst.Format format, out int64 start_value, out int64 stop_value);
		public void parse_uri (out string uri);
		[Version (since = "1.2")]
		public void parse_uri_redirection (out string uri);
		[Version (since = "1.4")]
		public void parse_uri_redirection_permanent (out bool permanent);
		[CCode (has_construct_function = false)]
		public Query.position (Gst.Format format);
		public void remove_nth_allocation_meta (uint index);
		[Version (since = "1.2")]
		public void remove_nth_allocation_param (uint index);
		[Version (since = "1.2")]
		public void remove_nth_allocation_pool (uint index);
		[CCode (has_construct_function = false)]
		public Query.scheduling ();
		[CCode (has_construct_function = false)]
		public Query.seeking (Gst.Format format);
		[CCode (has_construct_function = false)]
		public Query.segment (Gst.Format format);
		public void set_accept_caps_result (bool result);
		public void set_buffering_percent (bool busy, int percent);
		public void set_buffering_range (Gst.Format format, int64 start, int64 stop, int64 estimated_total);
		public void set_buffering_stats (Gst.BufferingMode mode, int avg_in, int avg_out, int64 buffering_left);
		public void set_caps_result (Gst.Caps caps);
		[Version (since = "1.2")]
		public void set_context (Gst.Context context);
		public void set_convert (Gst.Format src_format, int64 src_value, Gst.Format dest_format, int64 dest_value);
		public void set_duration (Gst.Format format, int64 duration);
		[CCode (sentinel = "")]
		public void set_formats (int n_formats, params Gst.Format[] formats);
		public void set_formatsv ([CCode (array_length_cname = "n_formats", array_length_pos = 0.5)] Gst.Format[] formats);
		public void set_latency (bool live, Gst.ClockTime min_latency, Gst.ClockTime max_latency);
		public void set_nth_allocation_param (uint index, Gst.Allocator? allocator, Gst.AllocationParams? @params);
		public void set_nth_allocation_pool (uint index, Gst.BufferPool? pool, uint size, uint min_buffers, uint max_buffers);
		public void set_position (Gst.Format format, int64 cur);
		public void set_scheduling (Gst.SchedulingFlags flags, int minsize, int maxsize, int align);
		public void set_seeking (Gst.Format format, bool seekable, int64 segment_start, int64 segment_end);
		public void set_segment (double rate, Gst.Format format, int64 start_value, int64 stop_value);
		public void set_uri (string uri);
		[Version (since = "1.2")]
		public void set_uri_redirection (string uri);
		[Version (since = "1.4")]
		public void set_uri_redirection_permanent (bool permanent);
		[CCode (has_construct_function = false)]
		public Query.uri ();
		public unowned Gst.Structure writable_structure ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_registry_get_type ()")]
	public class Registry : Gst.Object {
		[CCode (has_construct_function = false)]
		protected Registry ();
		public bool add_feature (Gst.PluginFeature feature);
		public bool add_plugin (Gst.Plugin plugin);
		public bool check_feature_version (string feature_name, uint min_major, uint min_minor, uint min_micro);
		public GLib.List<Gst.PluginFeature> feature_filter ([CCode (delegate_target_pos = 2.1)] Gst.PluginFeatureFilter filter, bool first);
		public Gst.PluginFeature? find_feature (string name, GLib.Type type);
		public Gst.Plugin? find_plugin (string name);
		public static bool fork_is_enabled ();
		public static void fork_set_enabled (bool enabled);
		public static unowned Gst.Registry @get ();
		public GLib.List<Gst.PluginFeature> get_feature_list (GLib.Type type);
		public GLib.List<Gst.PluginFeature> get_feature_list_by_plugin (string name);
		public uint32 get_feature_list_cookie ();
		public GLib.List<Gst.Plugin> get_plugin_list ();
		public Gst.Plugin? lookup (string filename);
		public Gst.PluginFeature lookup_feature (string name);
		public GLib.List<Gst.Plugin> plugin_filter ([CCode (delegate_target_pos = 2.1)] Gst.PluginFilter filter, bool first);
		public void remove_feature (Gst.PluginFeature feature);
		public void remove_plugin (Gst.Plugin plugin);
		public bool scan_path (string path);
		public signal void feature_added (Gst.PluginFeature feature);
		public signal void plugin_added (Gst.Plugin plugin);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_sample_ref", type_id = "gst_sample_get_type ()", unref_function = "gst_sample_unref")]
	[Compact]
	public class Sample : Gst.MiniObject {
		[CCode (has_construct_function = false)]
		public Sample (Gst.Buffer? buffer, Gst.Caps? caps, Gst.Segment? segment, owned Gst.Structure? info);
		public unowned Gst.Buffer? get_buffer ();
		[Version (since = "1.6")]
		public unowned Gst.BufferList? get_buffer_list ();
		public unowned Gst.Caps? get_caps ();
		public unowned Gst.Structure? get_info ();
		public unowned Gst.Segment get_segment ();
		[Version (since = "1.6")]
		public void set_buffer_list (Gst.BufferList buffer_list);
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "gst_segment_copy", free_function = "gst_segment_free", type_id = "gst_segment_get_type ()")]
	[Compact]
	public class Segment {
		public double applied_rate;
		public uint64 @base;
		public uint64 duration;
		public Gst.SegmentFlags flags;
		public Gst.Format format;
		public uint64 offset;
		public uint64 position;
		public double rate;
		public uint64 start;
		public uint64 stop;
		public uint64 time;
		[CCode (has_construct_function = false)]
		public Segment ();
		public bool clip (Gst.Format format, uint64 start, uint64 stop, out uint64 clip_start, out uint64 clip_stop);
		public Gst.Segment copy ();
		public void copy_into (Gst.Segment dest);
		public bool do_seek (double rate, Gst.Format format, Gst.SeekFlags flags, Gst.SeekType start_type, uint64 start, Gst.SeekType stop_type, uint64 stop, out bool update);
		public void free ();
		public void init (Gst.Format format);
		[Version (since = "1.6")]
		public bool is_equal (Gst.Segment s1);
		[Version (since = "1.2.3")]
		public bool offset_running_time (Gst.Format format, int64 offset);
		[Version (since = "1.8")]
		public uint64 position_from_running_time (Gst.Format format, uint64 running_time);
		[Version (since = "1.8")]
		public int position_from_running_time_full (Gst.Format format, uint64 running_time, out uint64 position);
		[Version (since = "1.8")]
		public uint64 position_from_stream_time (Gst.Format format, uint64 stream_time);
		[Version (since = "1.8")]
		public int position_from_stream_time_full (Gst.Format format, uint64 stream_time, out uint64 position);
		public bool set_running_time (Gst.Format format, uint64 running_time);
		[Version (deprecated = true)]
		public uint64 to_position (Gst.Format format, uint64 running_time);
		public uint64 to_running_time (Gst.Format format, uint64 position);
		[Version (since = "1.6")]
		public int to_running_time_full (Gst.Format format, uint64 position, out uint64 running_time);
		[Version (since = "1.8")]
		public uint64 to_stream_time (Gst.Format format, uint64 position);
		[Version (since = "1.8")]
		public int to_stream_time_full (Gst.Format format, uint64 position, out uint64 stream_time);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_stream_get_type ()")]
	[Version (since = "1.10")]
	public class Stream : Gst.Object {
		[CCode (has_construct_function = false)]
		public Stream (string? stream_id, Gst.Caps? caps, Gst.StreamType type, Gst.StreamFlags flags);
		public Gst.Caps? get_caps ();
		public Gst.StreamFlags get_stream_flags ();
		public unowned string? get_stream_id ();
		public Gst.StreamType get_stream_type ();
		public Gst.TagList? get_tags ();
		public void set_caps (Gst.Caps? caps);
		public void set_stream_flags (Gst.StreamFlags flags);
		public void set_stream_type (Gst.StreamType stream_type);
		public void set_tags (Gst.TagList? tags);
		public Gst.Caps caps { owned get; set; }
		public Gst.StreamFlags stream_flags { get; set construct; }
		public string stream_id { get; construct; }
		public Gst.StreamType stream_type { get; set construct; }
		public Gst.TagList tags { owned get; set; }
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_stream_collection_get_type ()")]
	[Version (since = "1.10")]
	public class StreamCollection : Gst.Object {
		[CCode (has_construct_function = false)]
		public StreamCollection (string? upstream_id);
		public bool add_stream (owned Gst.Stream stream);
		public uint get_size ();
		public unowned Gst.Stream? get_stream (uint index);
		public unowned string get_upstream_id ();
		[NoAccessorMethod]
		public string upstream_id { owned get; set construct; }
		public virtual signal void stream_notify (Gst.Stream stream, GLib.ParamSpec pspec);
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "gst_structure_copy", free_function = "gst_structure_free", type_id = "gst_structure_get_type ()")]
	[Compact]
	public class Structure {
		public GLib.Type type;
		[CCode (has_construct_function = false)]
		public Structure (string name, string firstfield, ...);
		public bool can_intersect (Gst.Structure struct2);
		public Gst.Structure copy ();
		[CCode (has_construct_function = false)]
		public Structure.empty (string name);
		[Version (since = "1.6")]
		public void filter_and_map_in_place (Gst.StructureFilterMapFunc func);
		public void fixate ();
		public bool fixate_field (string field_name);
		public bool fixate_field_boolean (string field_name, bool target);
		public bool fixate_field_nearest_double (string field_name, double target);
		public bool fixate_field_nearest_fraction (string field_name, int target_numerator, int target_denominator);
		public bool fixate_field_nearest_int (string field_name, int target);
		public bool fixate_field_string (string field_name, string target);
		public bool @foreach (Gst.StructureForeachFunc func);
		public void free ();
		public static Gst.Structure? from_string (string string, out unowned string end);
		public bool @get (...);
		public bool get_array (string fieldname, out GLib.ValueArray array);
		public bool get_boolean (string fieldname, out bool value);
		public bool get_clock_time (string fieldname, out Gst.ClockTime value);
		public bool get_date (string fieldname, out GLib.Date value);
		public bool get_date_time (string fieldname, out Gst.DateTime value);
		public bool get_double (string fieldname, out double value);
		public bool get_enum (string fieldname, GLib.Type enumtype, out int value);
		public GLib.Type get_field_type (string fieldname);
		[Version (since = "1.6")]
		public bool get_flagset (string fieldname, out uint value_flags, out uint value_mask);
		public bool get_fraction (string fieldname, out int value_numerator, out int value_denominator);
		public bool get_int (string fieldname, out int value);
		[Version (since = "1.4")]
		public bool get_int64 (string fieldname, out int64 value);
		public bool get_list (string fieldname, out GLib.ValueArray array);
		public unowned string get_name ();
		public GLib.Quark get_name_id ();
		public unowned string? get_string (string fieldname);
		public bool get_uint (string fieldname, out uint value);
		[Version (since = "1.4")]
		public bool get_uint64 (string fieldname, out uint64 value);
		public bool get_valist (string first_fieldname, va_list args);
		public unowned GLib.Value? get_value (string fieldname);
		public bool has_field (string fieldname);
		public bool has_field_typed (string fieldname, GLib.Type type);
		public bool has_name (string name);
		[CCode (has_construct_function = false)]
		public Structure.id_empty (GLib.Quark quark);
		public bool id_get (...);
		public bool id_get_valist (GLib.Quark first_field_id, va_list args);
		public unowned GLib.Value? id_get_value (GLib.Quark field);
		public bool id_has_field (GLib.Quark field);
		public bool id_has_field_typed (GLib.Quark field, GLib.Type type);
		public void id_set (GLib.Quark fieldname, ...);
		public void id_set_valist (GLib.Quark fieldname, va_list varargs);
		public void id_set_value (GLib.Quark field, GLib.Value value);
		public void id_take_value (GLib.Quark field, owned GLib.Value value);
		public Gst.Structure? intersect (Gst.Structure struct2);
		public bool is_equal (Gst.Structure structure2);
		public bool is_subset (Gst.Structure superset);
		public bool map_in_place (Gst.StructureMapFunc func);
		public int n_fields ();
		public unowned string nth_field_name (uint index);
		public void remove_all_fields ();
		public void remove_field (string fieldname);
		public void remove_fields (params string[] field_names);
		public void remove_fields_valist (string fieldname, va_list varargs);
		public void @set (string fieldname, ...);
		public void set_array (string fieldname, GLib.ValueArray array);
		public void set_list (string fieldname, GLib.ValueArray array);
		public void set_name (string name);
		public bool set_parent_refcount (int refcount);
		public void set_valist (string fieldname, va_list varargs);
		public void set_value (string fieldname, GLib.Value value);
		public void take_value (string fieldname, owned GLib.Value value);
		public string to_string ();
		[CCode (has_construct_function = false)]
		public Structure.valist (string name, string firstfield, va_list varargs);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_system_clock_get_type ()")]
	public class SystemClock : Gst.Clock {
		[CCode (has_construct_function = false)]
		protected SystemClock ();
		public static Gst.Clock obtain ();
		[Version (since = "1.4")]
		public static void set_default (Gst.Clock? new_clock);
		[NoAccessorMethod]
		public Gst.ClockType clock_type { get; set; }
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_tag_list_ref", type_id = "gst_tag_list_get_type ()", unref_function = "gst_tag_list_unref")]
	[Compact]
	public class TagList : Gst.MiniObject {
		public void add (Gst.TagMergeMode mode, string tag, ...);
		public void add_valist (Gst.TagMergeMode mode, string tag, va_list var_args);
		public void add_valist_values (Gst.TagMergeMode mode, string tag, va_list var_args);
		public void add_value (Gst.TagMergeMode mode, string tag, GLib.Value value);
		public void add_values (Gst.TagMergeMode mode, string tag, ...);
		[CCode (has_construct_function = false)]
		public TagList.empty ();
		public void @foreach (Gst.TagForeachFunc func);
		[CCode (has_construct_function = false)]
		public TagList.from_string (string str);
		public bool get_boolean (string tag, out bool value);
		public bool get_boolean_index (string tag, uint index, out bool value);
		public bool get_date (string tag, out GLib.Date value);
		public bool get_date_index (string tag, uint index, out GLib.Date value);
		public bool get_date_time (string tag, out Gst.DateTime value);
		public bool get_date_time_index (string tag, uint index, out Gst.DateTime value);
		public bool get_double (string tag, out double value);
		public bool get_double_index (string tag, uint index, out double value);
		public bool get_float (string tag, out float value);
		public bool get_float_index (string tag, uint index, out float value);
		public bool get_int (string tag, out int value);
		public bool get_int64 (string tag, out int64 value);
		public bool get_int64_index (string tag, uint index, out int64 value);
		public bool get_int_index (string tag, uint index, out int value);
		public bool get_pointer (string tag, out void* value);
		public bool get_pointer_index (string tag, uint index, out void* value);
		public bool get_sample (string tag, out Gst.Sample sample);
		public bool get_sample_index (string tag, uint index, out Gst.Sample sample);
		public Gst.TagScope get_scope ();
		public bool get_string (string tag, out string value);
		public bool get_string_index (string tag, uint index, out string value);
		public uint get_tag_size (string tag);
		public bool get_uint (string tag, out uint value);
		public bool get_uint64 (string tag, out uint64 value);
		public bool get_uint64_index (string tag, uint index, out uint64 value);
		public bool get_uint_index (string tag, uint index, out uint value);
		public unowned GLib.Value? get_value_index (string tag, uint index);
		public void insert (Gst.TagList from, Gst.TagMergeMode mode);
		public bool is_empty ();
		public bool is_equal (Gst.TagList list2);
		public Gst.TagList? merge (Gst.TagList? list2, Gst.TagMergeMode mode);
		public int n_tags ();
		public unowned string nth_tag_name (uint index);
		public bool peek_string_index (string tag, uint index, out unowned string value);
		public void remove_tag (string tag);
		public void set_scope (Gst.TagScope scope);
		public string? to_string ();
		[CCode (has_construct_function = false)]
		public TagList.valist (va_list var_args);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_task_get_type ()")]
	public class Task : Gst.Object {
		public GLib.Cond cond;
		public weak Gst.TaskFunction func;
		public GLib.RecMutex @lock;
		public weak GLib.DestroyNotify notify;
		public bool running;
		public Gst.TaskState state;
		public void* user_data;
		[CCode (has_construct_function = false)]
		public Task (owned Gst.TaskFunction func);
		public static void cleanup_all ();
		public Gst.TaskPool get_pool ();
		public Gst.TaskState get_state ();
		public bool join ();
		public bool pause ();
		public void set_enter_callback (owned Gst.TaskThreadFunc enter_func);
		public void set_leave_callback (owned Gst.TaskThreadFunc leave_func);
		public void set_lock (GLib.RecMutex mutex);
		public void set_pool (Gst.TaskPool pool);
		public bool set_state (Gst.TaskState state);
		public bool start ();
		public bool stop ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_task_pool_get_type ()")]
	public class TaskPool : Gst.Object {
		[CCode (has_construct_function = false)]
		public TaskPool ();
		public virtual void cleanup ();
		public virtual void join (void* id);
		public virtual void prepare () throws GLib.Error;
		public virtual void* push ([CCode (scope = "async")] Gst.TaskPoolFunction func) throws GLib.Error;
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_toc_ref", type_id = "gst_toc_get_type ()", unref_function = "gst_toc_unref")]
	[Compact]
	public class Toc : Gst.MiniObject {
		[CCode (has_construct_function = false)]
		public Toc (Gst.TocScope scope);
		public void append_entry (owned Gst.TocEntry entry);
		public void dump ();
		public unowned Gst.TocEntry? find_entry (string uid);
		public unowned GLib.List<Gst.TocEntry> get_entries ();
		public Gst.TocScope get_scope ();
		public unowned Gst.TagList get_tags ();
		public void merge_tags (Gst.TagList? tags, Gst.TagMergeMode mode);
		public void set_tags (owned Gst.TagList? tags);
	}
	[CCode (cheader_filename = "gst/gst.h", ref_function = "gst_toc_entry_ref", type_id = "gst_toc_entry_get_type ()", unref_function = "gst_toc_entry_unref")]
	[Compact]
	public class TocEntry : Gst.MiniObject {
		[CCode (has_construct_function = false)]
		public TocEntry (Gst.TocEntryType type, string uid);
		public void append_sub_entry (owned Gst.TocEntry subentry);
		public Gst.TocEntryType get_entry_type ();
		[Version (since = "1.4")]
		public bool get_loop (out Gst.TocLoopType loop_type, out int repeat_count);
		public unowned Gst.TocEntry? get_parent ();
		public bool get_start_stop_times (out int64 start, out int64 stop);
		public unowned GLib.List<Gst.TocEntry> get_sub_entries ();
		public unowned Gst.TagList get_tags ();
		public unowned Gst.Toc get_toc ();
		public unowned string get_uid ();
		public bool is_alternative ();
		public bool is_sequence ();
		public void merge_tags (Gst.TagList? tags, Gst.TagMergeMode mode);
		[Version (since = "1.4")]
		public void set_loop (Gst.TocLoopType loop_type, int repeat_count);
		public void set_start_stop_times (int64 start, int64 stop);
		public void set_tags (owned Gst.TagList? tags);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_tracer_get_type ()")]
	public abstract class Tracer : Gst.Object {
		[CCode (has_construct_function = false)]
		protected Tracer ();
		[NoAccessorMethod]
		public string @params { owned get; set construct; }
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_tracer_factory_get_type ()")]
	[Version (since = "1.8")]
	public class TracerFactory : Gst.PluginFeature {
		[CCode (has_construct_function = false)]
		protected TracerFactory ();
		public static GLib.List<Gst.TracerFactory> get_list ();
		public GLib.Type get_tracer_type ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_tracer_record_get_type ()")]
	public class TracerRecord : Gst.Object {
		[CCode (has_construct_function = false)]
		protected TracerRecord ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_type_find_factory_get_type ()")]
	public class TypeFindFactory : Gst.PluginFeature {
		[CCode (has_construct_function = false)]
		protected TypeFindFactory ();
		public void call_function (Gst.TypeFind find);
		public unowned Gst.Caps get_caps ();
		[CCode (array_length = false, array_null_terminated = true)]
		public unowned string[]? get_extensions ();
		public static GLib.List<Gst.TypeFindFactory> get_list ();
		public bool has_function ();
	}
	[CCode (cheader_filename = "gst/gst.h", copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "gst_uri_get_type ()")]
	[Compact]
	public class Uri {
		[CCode (has_construct_function = false)]
		[Version (since = "1.6")]
		public Uri (string? scheme, string? userinfo, string? host, uint port, string? path, string? query, string? fragment);
		[Version (since = "1.6")]
		public bool append_path (string relative_path);
		[Version (since = "1.6")]
		public bool append_path_segment (string path_segment);
		[Version (since = "1.6")]
		public bool equal (Gst.Uri second);
		[Version (since = "1.6")]
		public Gst.Uri from_string_with_base (string uri);
		[Version (since = "1.6")]
		public unowned string? get_fragment ();
		[Version (since = "1.6")]
		public unowned string? get_host ();
		[Version (since = "1.12")]
		public GLib.HashTable<string,string>? get_media_fragment_table ();
		[Version (since = "1.6")]
		public string get_path ();
		[Version (since = "1.6")]
		public GLib.List<string> get_path_segments ();
		[Version (since = "1.6")]
		public string? get_path_string ();
		[Version (since = "1.6")]
		public uint get_port ();
		[Version (since = "1.6")]
		public GLib.List<weak string> get_query_keys ();
		[Version (since = "1.6")]
		public string? get_query_string ();
		[Version (since = "1.6")]
		public GLib.HashTable<string,string>? get_query_table ();
		[Version (since = "1.6")]
		public unowned string? get_query_value (string query_key);
		public unowned string? get_scheme ();
		[Version (since = "1.6")]
		public unowned string? get_userinfo ();
		[Version (since = "1.6")]
		public bool is_normalized ();
		[Version (since = "1.6")]
		public bool is_writable ();
		[Version (since = "1.6")]
		public Gst.Uri? join (Gst.Uri? ref_uri);
		[ReturnsModifiedPointer]
		[Version (since = "1.6")]
		public Gst.Uri make_writable ();
		[Version (since = "1.6")]
		public Gst.Uri new_with_base (string? scheme, string? userinfo, string? host, uint port, string? path, string? query, string? fragment);
		[Version (since = "1.6")]
		public bool normalize ();
		[Version (since = "1.6")]
		public bool query_has_key (string query_key);
		[Version (since = "1.6")]
		public bool remove_query_key (string query_key);
		[Version (since = "1.6")]
		public bool set_fragment (string? fragment);
		[Version (since = "1.6")]
		public bool set_host (string host);
		[Version (since = "1.6")]
		public bool set_path (string path);
		[Version (since = "1.6")]
		public bool set_path_segments (owned GLib.List<string>? path_segments);
		[Version (since = "1.6")]
		public bool set_path_string (string path);
		[Version (since = "1.6")]
		public bool set_port (uint port);
		[Version (since = "1.6")]
		public bool set_query_string (string query);
		[Version (since = "1.6")]
		public bool set_query_table (GLib.HashTable<string,string>? query_table);
		[Version (since = "1.6")]
		public bool set_query_value (string query_key, string? query_value);
		[Version (since = "1.6")]
		public bool set_scheme (string scheme);
		[Version (since = "1.6")]
		public bool set_userinfo (string userinfo);
		[Version (since = "1.6")]
		public string to_string ();
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_value_array_get_type ()")]
	public class ValueArray {
		[CCode (has_construct_function = false)]
		protected ValueArray ();
		[Version (since = "1.2")]
		public static void append_and_take_value (GLib.Value value, owned GLib.Value append_value);
		public static void append_value (GLib.Value value, GLib.Value append_value);
		public static uint get_size (GLib.Value value);
		public static unowned GLib.Value? get_value (GLib.Value value, uint index);
		public static void prepend_value (GLib.Value value, GLib.Value prepend_value);
	}
	[CCode (cheader_filename = "gst/gst.h", type_id = "gst_value_list_get_type ()")]
	public class ValueList {
		[CCode (has_construct_function = false)]
		protected ValueList ();
		[Version (since = "1.2")]
		public static void append_and_take_value (GLib.Value value, owned GLib.Value append_value);
		public static void append_value (GLib.Value value, GLib.Value append_value);
		public static void concat (out GLib.Value dest, GLib.Value value1, GLib.Value value2);
		public static uint get_size (GLib.Value value);
		public static unowned GLib.Value? get_value (GLib.Value value, uint index);
		public static void merge (out GLib.Value dest, GLib.Value value1, GLib.Value value2);
		public static void prepend_value (GLib.Value value, GLib.Value prepend_value);
	}
	[CCode (cheader_filename = "gst/gst.h", type_cname = "GstChildProxyInterface", type_id = "gst_child_proxy_get_type ()")]
	public interface ChildProxy : GLib.Object {
		public void @get (...);
		public abstract GLib.Object? get_child_by_index (uint index);
		public abstract GLib.Object? get_child_by_name (string name);
		public abstract uint get_children_count ();
		public GLib.Value get_property (string name);
		public void get_valist (string first_property_name, va_list var_args);
		public bool lookup (string name, out GLib.Object target, out unowned GLib.ParamSpec pspec);
		public void @set (...);
		public void set_property (string name, GLib.Value value);
		public void set_valist (string first_property_name, va_list var_args);
		[HasEmitter]
		public virtual signal void child_added (GLib.Object child, string name);
		[HasEmitter]
		public virtual signal void child_removed (GLib.Object child, string name);
	}
	[CCode (cheader_filename = "gst/gst.h", type_cname = "GstPresetInterface", type_id = "gst_preset_get_type ()")]
	public interface Preset : GLib.Object {
		public abstract bool delete_preset (string name);
		public static unowned string? get_app_dir ();
		public abstract bool get_meta (string name, string tag, out string value);
		[CCode (array_length = false, array_null_terminated = true)]
		public abstract string[] get_preset_names ();
		[CCode (array_length = false, array_null_terminated = true)]
		public abstract string[] get_property_names ();
		[Version (since = "1.6")]
		public bool is_editable ();
		public abstract bool load_preset (string name);
		public abstract bool rename_preset (string old_name, string new_name);
		public abstract bool save_preset (string name);
		public static bool set_app_dir (string app_dir);
		public abstract bool set_meta (string name, string tag, string? value);
	}
	[CCode (cheader_filename = "gst/gst.h", type_cname = "GstTagSetterInterface", type_id = "gst_tag_setter_get_type ()")]
	public interface TagSetter : Gst.Element {
		public void add_tag_valist (Gst.TagMergeMode mode, string tag, va_list var_args);
		public void add_tag_valist_values (Gst.TagMergeMode mode, string tag, va_list var_args);
		public void add_tag_value (Gst.TagMergeMode mode, string tag, GLib.Value value);
		public void add_tag_values (Gst.TagMergeMode mode, string tag, ...);
		public void add_tags (Gst.TagMergeMode mode, string tag, ...);
		public unowned Gst.TagList? get_tag_list ();
		public Gst.TagMergeMode get_tag_merge_mode ();
		public void merge_tags (Gst.TagList list, Gst.TagMergeMode mode);
		public void reset_tags ();
		public void set_tag_merge_mode (Gst.TagMergeMode mode);
	}
	[CCode (cheader_filename = "gst/gst.h", type_cname = "GstTocSetterInterface", type_id = "gst_toc_setter_get_type ()")]
	public interface TocSetter : Gst.Element {
		public Gst.Toc? get_toc ();
		public void reset ();
		public void set_toc (Gst.Toc? toc);
	}
	[CCode (cheader_filename = "gst/gst.h", type_cname = "GstURIHandlerInterface", type_id = "gst_uri_handler_get_type ()")]
	public interface URIHandler : GLib.Object {
		[CCode (array_length = false, array_null_terminated = true)]
		public abstract unowned string[]? get_protocols ();
		public abstract string? get_uri ();
		[CCode (vfunc_name = "get_type")]
		public abstract Gst.URIType get_uri_type ();
		public abstract bool set_uri (string uri) throws GLib.Error;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct BufferPoolAcquireParams {
		public Gst.Format format;
		public int64 start;
		public int64 stop;
		public Gst.BufferPoolAcquireFlags flags;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct ClockEntry {
		public int refcount;
		public weak Gst.Clock clock;
		public Gst.ClockEntryType type;
		public Gst.ClockTime time;
		public Gst.ClockTime interval;
		public Gst.ClockReturn status;
		public weak Gst.ClockCallback func;
		public void* user_data;
		public weak GLib.DestroyNotify destroy_data;
		public bool unscheduled;
		public bool woken_up;
	}
	[CCode (cheader_filename = "gst/gst.h")]
	[SimpleType]
	public struct ClockID {
	}
	[CCode (cheader_filename = "gst/gst.h")]
	[SimpleType]
	public struct ClockTime : uint64 {
	}
	[CCode (cheader_filename = "gst/gst.h")]
	[SimpleType]
	public struct ClockTimeDiff : int64 {
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct DebugCategory {
		public void free ();
		public uint get_color ();
		public unowned string get_description ();
		public unowned string get_name ();
		public Gst.DebugLevel get_threshold ();
		public void reset_threshold ();
		public void set_threshold (Gst.DebugLevel level);
	}
	[CCode (cheader_filename = "gst/gst.h")]
	[SimpleType]
	public struct ElementFactoryListType : uint64 {
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct FormatDefinition {
		public Gst.Format value;
		public weak string nick;
		public weak string description;
		public GLib.Quark quark;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct MapInfo {
		public weak Gst.Memory memory;
		public Gst.MapFlags flags;
		[CCode (array_length_cname = "size", array_length_type = "gsize")]
		public weak uint8[] data;
		public size_t size;
		public size_t maxsize;
		[CCode (array_length = false)]
		public weak void* user_data[4];
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct Meta {
		public Gst.MetaFlags flags;
		public Gst.MetaInfo info;
		[CCode (array_length = false, array_null_terminated = true)]
		[Version (since = "1.2")]
		public static unowned string[] api_type_get_tags (GLib.Type api);
		public static bool api_type_has_tag (GLib.Type api, GLib.Quark tag);
		public static GLib.Type api_type_register (string api, string tags);
		public static unowned Gst.MetaInfo? get_info (string impl);
		public static unowned Gst.MetaInfo? register (GLib.Type api, string impl, size_t size, [CCode (scope = "async")] Gst.MetaInitFunction init_func, [CCode (scope = "async")] Gst.MetaFreeFunction free_func, [CCode (scope = "async")] Gst.MetaTransformFunction transform_func);
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct MetaInfo {
		public GLib.Type api;
		public GLib.Type type;
		public size_t size;
		public weak Gst.MetaInitFunction init_func;
		public weak Gst.MetaFreeFunction free_func;
		public weak Gst.MetaTransformFunction transform_func;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct MetaTransformCopy {
		public bool region;
		public size_t offset;
		public size_t size;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct PadProbeInfo {
		public Gst.PadProbeType type;
		public ulong id;
		public void* data;
		public uint64 offset;
		public uint size;
		public unowned Gst.Buffer? get_buffer ();
		public unowned Gst.BufferList? get_buffer_list ();
		public unowned Gst.Event? get_event ();
		public unowned Gst.Query? get_query ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct ParamSpecArray {
		public weak GLib.ParamSpec parent_instance;
		public weak GLib.ParamSpec element_spec;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct ParamSpecFraction {
		public weak GLib.ParamSpec parent_instance;
		public int min_num;
		public int min_den;
		public int max_num;
		public int max_den;
		public int def_num;
		public int def_den;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	[Version (since = "1.6")]
	public struct ParentBufferMeta {
		public Gst.Meta parent;
		public weak Gst.Buffer buffer;
		public static GLib.Type api_get_type ();
		public static unowned Gst.MetaInfo? get_info ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct PluginDesc {
		public int major_version;
		public int minor_version;
		public weak string name;
		public weak string description;
		public weak Gst.PluginInitFunc plugin_init;
		public weak string version;
		public weak string license;
		public weak string source;
		public weak string package;
		public weak string origin;
		public weak string release_datetime;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct PollFD {
		public int fd;
		public void init ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	[Version (since = "1.6")]
	public struct ProtectionMeta {
		public Gst.Meta meta;
		public weak Gst.Structure info;
		public static GLib.Type api_get_type ();
		public static unowned Gst.MetaInfo? get_info ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	[Version (since = "1.14")]
	public struct ReferenceTimestampMeta {
		public Gst.Meta parent;
		public weak Gst.Caps reference;
		public Gst.ClockTime timestamp;
		public Gst.ClockTime duration;
		public static GLib.Type api_get_type ();
		public static unowned Gst.MetaInfo? get_info ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct StaticCaps {
		public weak Gst.Caps caps;
		public weak global::string string;
		public void cleanup ();
		public Gst.Caps? @get ();
		public static GLib.Type get_type ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct StaticPadTemplate {
		public weak string name_template;
		public Gst.PadDirection direction;
		public Gst.PadPresence presence;
		public Gst.StaticCaps static_caps;
		public unowned Gst.PadTemplate? @get ();
		public Gst.Caps get_caps ();
		public static GLib.Type get_type ();
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct TimedValue {
		public Gst.ClockTime timestamp;
		public double value;
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct TypeFind {
		public void* data;
		public static GLib.Type get_type ();
		[CCode (array_length_pos = 1.1, array_length_type = "guint")]
		public unowned uint8[]? peek (int64 offset);
		public static bool register (Gst.Plugin? plugin, string name, uint rank, [CCode (delegate_target_pos = 6.1, destroy_notify_pos = 6.2)] owned Gst.TypeFindFunction func, string? extensions, Gst.Caps possible_caps);
		public void suggest (uint probability, Gst.Caps caps);
		public void suggest_simple (uint probability, string media_type, string? fieldname, ...);
	}
	[CCode (cheader_filename = "gst/gst.h", has_type_id = false)]
	public struct ValueTable {
		public GLib.Type type;
		public weak Gst.ValueCompareFunc compare;
		public weak Gst.ValueSerializeFunc serialize;
		public weak Gst.ValueDeserializeFunc deserialize;
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_ALLOCATOR_FLAG_", type_id = "gst_allocator_flags_get_type ()")]
	[Flags]
	public enum AllocatorFlags {
		CUSTOM_ALLOC,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BIN_FLAG_", type_id = "gst_bin_flags_get_type ()")]
	[Flags]
	public enum BinFlags {
		NO_RESYNC,
		STREAMS_AWARE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUFFER_COPY_", type_id = "gst_buffer_copy_flags_get_type ()")]
	[Flags]
	public enum BufferCopyFlags {
		NONE,
		FLAGS,
		TIMESTAMPS,
		META,
		MEMORY,
		MERGE,
		DEEP
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUFFER_FLAG_", type_id = "gst_buffer_flags_get_type ()")]
	[Flags]
	public enum BufferFlags {
		LIVE,
		DECODE_ONLY,
		DISCONT,
		RESYNC,
		CORRUPTED,
		MARKER,
		HEADER,
		GAP,
		DROPPABLE,
		DELTA_UNIT,
		TAG_MEMORY,
		SYNC_AFTER,
		NON_DROPPABLE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUFFER_POOL_ACQUIRE_FLAG_", type_id = "gst_buffer_pool_acquire_flags_get_type ()")]
	[Flags]
	public enum BufferPoolAcquireFlags {
		NONE,
		KEY_UNIT,
		DONTWAIT,
		DISCONT,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUFFERING_", type_id = "gst_buffering_mode_get_type ()")]
	public enum BufferingMode {
		STREAM,
		DOWNLOAD,
		TIMESHIFT,
		LIVE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUS_", type_id = "gst_bus_flags_get_type ()")]
	[Flags]
	public enum BusFlags {
		FLUSHING,
		FLAG_LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_BUS_", type_id = "gst_bus_sync_reply_get_type ()")]
	public enum BusSyncReply {
		DROP,
		PASS,
		ASYNC
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CAPS_FLAG_", type_id = "gst_caps_flags_get_type ()")]
	[Flags]
	public enum CapsFlags {
		ANY
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CAPS_INTERSECT_", type_id = "gst_caps_intersect_mode_get_type ()")]
	public enum CapsIntersectMode {
		ZIG_ZAG,
		FIRST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CLOCK_ENTRY_", type_id = "gst_clock_entry_type_get_type ()")]
	public enum ClockEntryType {
		SINGLE,
		PERIODIC
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CLOCK_FLAG_", type_id = "gst_clock_flags_get_type ()")]
	[Flags]
	public enum ClockFlags {
		CAN_DO_SINGLE_SYNC,
		CAN_DO_SINGLE_ASYNC,
		CAN_DO_PERIODIC_SYNC,
		CAN_DO_PERIODIC_ASYNC,
		CAN_SET_RESOLUTION,
		CAN_SET_MASTER,
		NEEDS_STARTUP_SYNC,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CLOCK_", type_id = "gst_clock_return_get_type ()")]
	public enum ClockReturn {
		OK,
		EARLY,
		UNSCHEDULED,
		BUSY,
		BADTIME,
		ERROR,
		UNSUPPORTED,
		DONE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CLOCK_TYPE_", type_id = "gst_clock_type_get_type ()")]
	public enum ClockType {
		REALTIME,
		MONOTONIC,
		OTHER
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_DEBUG_", type_id = "gst_debug_color_flags_get_type ()")]
	[Flags]
	public enum DebugColorFlags {
		FG_BLACK,
		FG_RED,
		FG_GREEN,
		FG_YELLOW,
		FG_BLUE,
		FG_MAGENTA,
		FG_CYAN,
		FG_WHITE,
		BG_BLACK,
		BG_RED,
		BG_GREEN,
		BG_YELLOW,
		BG_BLUE,
		BG_MAGENTA,
		BG_CYAN,
		BG_WHITE,
		BOLD,
		UNDERLINE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_DEBUG_COLOR_MODE_", type_id = "gst_debug_color_mode_get_type ()")]
	public enum DebugColorMode {
		OFF,
		ON,
		UNIX
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_DEBUG_GRAPH_SHOW_", type_id = "gst_debug_graph_details_get_type ()")]
	[Flags]
	public enum DebugGraphDetails {
		MEDIA_TYPE,
		CAPS_DETAILS,
		NON_DEFAULT_PARAMS,
		STATES,
		FULL_PARAMS,
		ALL,
		VERBOSE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_LEVEL_", type_id = "gst_debug_level_get_type ()")]
	public enum DebugLevel {
		NONE,
		ERROR,
		WARNING,
		FIXME,
		INFO,
		DEBUG,
		LOG,
		TRACE,
		MEMDUMP,
		COUNT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_ELEMENT_FLAG_", type_id = "gst_element_flags_get_type ()")]
	[Flags]
	public enum ElementFlags {
		LOCKED_STATE,
		SINK,
		SOURCE,
		PROVIDE_CLOCK,
		REQUIRE_CLOCK,
		INDEXABLE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_EVENT_", type_id = "gst_event_type_get_type ()")]
	public enum EventType {
		UNKNOWN,
		FLUSH_START,
		FLUSH_STOP,
		STREAM_START,
		CAPS,
		SEGMENT,
		STREAM_COLLECTION,
		TAG,
		BUFFERSIZE,
		SINK_MESSAGE,
		STREAM_GROUP_DONE,
		EOS,
		TOC,
		PROTECTION,
		SEGMENT_DONE,
		GAP,
		QOS,
		SEEK,
		NAVIGATION,
		LATENCY,
		STEP,
		RECONFIGURE,
		TOC_SELECT,
		SELECT_STREAMS,
		CUSTOM_UPSTREAM,
		CUSTOM_DOWNSTREAM,
		CUSTOM_DOWNSTREAM_OOB,
		CUSTOM_DOWNSTREAM_STICKY,
		CUSTOM_BOTH,
		CUSTOM_BOTH_OOB;
		public Gst.EventTypeFlags get_flags ();
		public unowned string get_name ();
		public GLib.Quark to_quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_EVENT_TYPE_", type_id = "gst_event_type_flags_get_type ()")]
	[Flags]
	public enum EventTypeFlags {
		UPSTREAM,
		DOWNSTREAM,
		SERIALIZED,
		STICKY,
		STICKY_MULTI
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_FLOW_", type_id = "gst_flow_return_get_type ()")]
	public enum FlowReturn {
		CUSTOM_SUCCESS_2,
		CUSTOM_SUCCESS_1,
		CUSTOM_SUCCESS,
		OK,
		NOT_LINKED,
		FLUSHING,
		EOS,
		NOT_NEGOTIATED,
		ERROR,
		NOT_SUPPORTED,
		CUSTOM_ERROR,
		CUSTOM_ERROR_1,
		CUSTOM_ERROR_2;
		[CCode (cname = "gst_flow_get_name")]
		public unowned string get_name ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_FORMAT_", type_id = "gst_format_get_type ()")]
	public enum Format {
		UNDEFINED,
		DEFAULT,
		BYTES,
		TIME,
		BUFFERS,
		PERCENT;
		[CCode (cname = "gst_formats_contains")]
		public static bool contains ([CCode (array_length = false, array_null_terminated = true)] Gst.Format[] formats, Gst.Format format);
		public static Gst.Format get_by_nick (string nick);
		public unowned Gst.FormatDefinition? get_details ();
		public unowned string? get_name ();
		public static Gst.Iterator iterate_definitions ();
		public static Gst.Format register (string nick, string description);
		public GLib.Quark to_quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_ITERATOR_ITEM_", type_id = "gst_iterator_item_get_type ()")]
	public enum IteratorItem {
		SKIP,
		PASS,
		END
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_ITERATOR_", type_id = "gst_iterator_result_get_type ()")]
	public enum IteratorResult {
		DONE,
		OK,
		RESYNC,
		ERROR
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_LOCK_FLAG_", type_id = "gst_lock_flags_get_type ()")]
	[Flags]
	public enum LockFlags {
		READ,
		WRITE,
		EXCLUSIVE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_MAP_", type_id = "gst_map_flags_get_type ()")]
	[Flags]
	public enum MapFlags {
		READ,
		WRITE,
		FLAG_LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_MEMORY_FLAG_", type_id = "gst_memory_flags_get_type ()")]
	[Flags]
	public enum MemoryFlags {
		READONLY,
		NO_SHARE,
		ZERO_PREFIXED,
		ZERO_PADDED,
		PHYSICALLY_CONTIGUOUS,
		NOT_MAPPABLE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_MESSAGE_", type_id = "gst_message_type_get_type ()")]
	[Flags]
	public enum MessageType {
		UNKNOWN,
		EOS,
		ERROR,
		WARNING,
		INFO,
		TAG,
		BUFFERING,
		STATE_CHANGED,
		STATE_DIRTY,
		STEP_DONE,
		CLOCK_PROVIDE,
		CLOCK_LOST,
		NEW_CLOCK,
		STRUCTURE_CHANGE,
		STREAM_STATUS,
		APPLICATION,
		ELEMENT,
		SEGMENT_START,
		SEGMENT_DONE,
		DURATION_CHANGED,
		LATENCY,
		ASYNC_START,
		ASYNC_DONE,
		REQUEST_STATE,
		STEP_START,
		QOS,
		PROGRESS,
		TOC,
		RESET_TIME,
		STREAM_START,
		NEED_CONTEXT,
		HAVE_CONTEXT,
		EXTENDED,
		DEVICE_ADDED,
		DEVICE_REMOVED,
		PROPERTY_NOTIFY,
		STREAM_COLLECTION,
		STREAMS_SELECTED,
		REDIRECT,
		ANY;
		public unowned string get_name ();
		public GLib.Quark to_quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_META_FLAG_", type_id = "gst_meta_flags_get_type ()")]
	[Flags]
	public enum MetaFlags {
		NONE,
		READONLY,
		POOLED,
		LOCKED,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_MINI_OBJECT_FLAG_", type_id = "gst_mini_object_flags_get_type ()")]
	[Flags]
	public enum MiniObjectFlags {
		LOCKABLE,
		LOCK_READONLY,
		MAY_BE_LEAKED,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_OBJECT_FLAG_", type_id = "gst_object_flags_get_type ()")]
	[Flags]
	public enum ObjectFlags {
		MAY_BE_LEAKED,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_", type_id = "gst_pad_direction_get_type ()")]
	public enum PadDirection {
		UNKNOWN,
		SRC,
		SINK
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_FLAG_", type_id = "gst_pad_flags_get_type ()")]
	[Flags]
	public enum PadFlags {
		BLOCKED,
		FLUSHING,
		EOS,
		BLOCKING,
		NEED_PARENT,
		NEED_RECONFIGURE,
		PENDING_EVENTS,
		FIXED_CAPS,
		PROXY_CAPS,
		PROXY_ALLOCATION,
		PROXY_SCHEDULING,
		ACCEPT_INTERSECT,
		ACCEPT_TEMPLATE,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_LINK_CHECK_", type_id = "gst_pad_link_check_get_type ()")]
	[Flags]
	public enum PadLinkCheck {
		NOTHING,
		HIERARCHY,
		TEMPLATE_CAPS,
		CAPS,
		NO_RECONFIGURE,
		DEFAULT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_LINK_", type_id = "gst_pad_link_return_get_type ()")]
	public enum PadLinkReturn {
		OK,
		WRONG_HIERARCHY,
		WAS_LINKED,
		WRONG_DIRECTION,
		NOFORMAT,
		NOSCHED,
		REFUSED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_MODE_", type_id = "gst_pad_mode_get_type ()")]
	public enum PadMode {
		NONE,
		PUSH,
		PULL;
		public unowned string get_name ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_", type_id = "gst_pad_presence_get_type ()")]
	public enum PadPresence {
		ALWAYS,
		SOMETIMES,
		REQUEST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_PROBE_", type_id = "gst_pad_probe_return_get_type ()")]
	public enum PadProbeReturn {
		DROP,
		OK,
		REMOVE,
		PASS,
		HANDLED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_PROBE_TYPE_", type_id = "gst_pad_probe_type_get_type ()")]
	[Flags]
	public enum PadProbeType {
		INVALID,
		IDLE,
		BLOCK,
		BUFFER,
		BUFFER_LIST,
		EVENT_DOWNSTREAM,
		EVENT_UPSTREAM,
		EVENT_FLUSH,
		QUERY_DOWNSTREAM,
		QUERY_UPSTREAM,
		PUSH,
		PULL,
		BLOCKING,
		DATA_DOWNSTREAM,
		DATA_UPSTREAM,
		DATA_BOTH,
		BLOCK_DOWNSTREAM,
		BLOCK_UPSTREAM,
		EVENT_BOTH,
		QUERY_BOTH,
		ALL_BOTH,
		SCHEDULING
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PAD_TEMPLATE_FLAG_", type_id = "gst_pad_template_flags_get_type ()")]
	[Flags]
	public enum PadTemplateFlags {
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PARSE_FLAG_", type_id = "gst_parse_flags_get_type ()")]
	[Flags]
	public enum ParseFlags {
		NONE,
		FATAL_ERRORS,
		NO_SINGLE_ELEMENT_BINS,
		PLACE_IN_BIN
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PIPELINE_FLAG_", type_id = "gst_pipeline_flags_get_type ()")]
	[Flags]
	public enum PipelineFlags {
		FIXED_CLOCK,
		LAST
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PLUGIN_DEPENDENCY_FLAG_", type_id = "gst_plugin_dependency_flags_get_type ()")]
	[Flags]
	public enum PluginDependencyFlags {
		NONE,
		RECURSE,
		PATHS_ARE_DEFAULT_ONLY,
		FILE_NAME_IS_SUFFIX,
		FILE_NAME_IS_PREFIX,
		PATHS_ARE_RELATIVE_TO_EXE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PLUGIN_FLAG_", type_id = "gst_plugin_flags_get_type ()")]
	[Flags]
	public enum PluginFlags {
		CACHED,
		BLACKLISTED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PROGRESS_TYPE_", type_id = "gst_progress_type_get_type ()")]
	public enum ProgressType {
		START,
		CONTINUE,
		COMPLETE,
		CANCELED,
		ERROR
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PROMISE_RESULT_", type_id = "gst_promise_result_get_type ()")]
	[Version (since = "1.14")]
	public enum PromiseResult {
		PENDING,
		INTERRUPTED,
		REPLIED,
		EXPIRED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_QOS_TYPE_", type_id = "gst_qos_type_get_type ()")]
	public enum QOSType {
		OVERFLOW,
		UNDERFLOW,
		THROTTLE
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_QUERY_", type_id = "gst_query_type_get_type ()")]
	public enum QueryType {
		UNKNOWN,
		POSITION,
		DURATION,
		LATENCY,
		JITTER,
		RATE,
		SEEKING,
		SEGMENT,
		CONVERT,
		FORMATS,
		BUFFERING,
		CUSTOM,
		URI,
		ALLOCATION,
		SCHEDULING,
		ACCEPT_CAPS,
		CAPS,
		DRAIN,
		CONTEXT;
		public Gst.QueryTypeFlags get_flags ();
		public unowned string get_name ();
		public GLib.Quark to_quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_QUERY_TYPE_", type_id = "gst_query_type_flags_get_type ()")]
	[Flags]
	public enum QueryTypeFlags {
		UPSTREAM,
		DOWNSTREAM,
		SERIALIZED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_RANK_", type_id = "gst_rank_get_type ()")]
	public enum Rank {
		NONE,
		MARGINAL,
		SECONDARY,
		PRIMARY
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_SCHEDULING_FLAG_", type_id = "gst_scheduling_flags_get_type ()")]
	[Flags]
	public enum SchedulingFlags {
		SEEKABLE,
		SEQUENTIAL,
		BANDWIDTH_LIMITED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_SEARCH_MODE_", type_id = "gst_search_mode_get_type ()")]
	public enum SearchMode {
		EXACT,
		BEFORE,
		AFTER
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_SEEK_FLAG_", type_id = "gst_seek_flags_get_type ()")]
	[Flags]
	public enum SeekFlags {
		NONE,
		FLUSH,
		ACCURATE,
		KEY_UNIT,
		SEGMENT,
		TRICKMODE,
		SKIP,
		SNAP_BEFORE,
		SNAP_AFTER,
		SNAP_NEAREST,
		TRICKMODE_KEY_UNITS,
		TRICKMODE_NO_AUDIO
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_SEEK_TYPE_", type_id = "gst_seek_type_get_type ()")]
	public enum SeekType {
		NONE,
		SET,
		END
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_SEGMENT_FLAG_", type_id = "gst_segment_flags_get_type ()")]
	[Flags]
	public enum SegmentFlags {
		NONE,
		RESET,
		TRICKMODE,
		SKIP,
		SEGMENT,
		TRICKMODE_KEY_UNITS,
		TRICKMODE_NO_AUDIO
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STACK_TRACE_SHOW_", type_id = "gst_stack_trace_flags_get_type ()")]
	[Flags]
	[Version (since = "1.12")]
	public enum StackTraceFlags {
		FULL
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STATE_", type_id = "gst_state_get_type ()")]
	public enum State {
		VOID_PENDING,
		NULL,
		READY,
		PAUSED,
		PLAYING
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STATE_CHANGE_", type_id = "gst_state_change_get_type ()")]
	public enum StateChange {
		NULL_TO_READY,
		READY_TO_PAUSED,
		PAUSED_TO_PLAYING,
		PLAYING_TO_PAUSED,
		PAUSED_TO_READY,
		READY_TO_NULL,
		NULL_TO_NULL,
		READY_TO_READY,
		PAUSED_TO_PAUSED,
		PLAYING_TO_PLAYING;
		[Version (since = "1.14")]
		public unowned string get_name ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STATE_CHANGE_", type_id = "gst_state_change_return_get_type ()")]
	public enum StateChangeReturn {
		FAILURE,
		SUCCESS,
		ASYNC,
		NO_PREROLL
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STREAM_FLAG_", type_id = "gst_stream_flags_get_type ()")]
	[Flags]
	[Version (since = "1.2")]
	public enum StreamFlags {
		NONE,
		SPARSE,
		SELECT,
		UNSELECT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STREAM_STATUS_TYPE_", type_id = "gst_stream_status_type_get_type ()")]
	public enum StreamStatusType {
		CREATE,
		ENTER,
		LEAVE,
		DESTROY,
		START,
		PAUSE,
		STOP
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STREAM_TYPE_", type_id = "gst_stream_type_get_type ()")]
	[Flags]
	[Version (since = "1.10")]
	public enum StreamType {
		UNKNOWN,
		AUDIO,
		VIDEO,
		CONTAINER,
		TEXT;
		public unowned string? get_name ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STRUCTURE_CHANGE_TYPE_PAD_", type_id = "gst_structure_change_type_get_type ()")]
	public enum StructureChangeType {
		LINK,
		UNLINK
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TAG_FLAG_", type_id = "gst_tag_flag_get_type ()")]
	public enum TagFlag {
		UNDEFINED,
		META,
		ENCODED,
		DECODED,
		COUNT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TAG_MERGE_", type_id = "gst_tag_merge_mode_get_type ()")]
	public enum TagMergeMode {
		UNDEFINED,
		REPLACE_ALL,
		REPLACE,
		APPEND,
		PREPEND,
		KEEP,
		KEEP_ALL,
		COUNT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TAG_SCOPE_", type_id = "gst_tag_scope_get_type ()")]
	public enum TagScope {
		STREAM,
		GLOBAL
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TASK_", type_id = "gst_task_state_get_type ()")]
	public enum TaskState {
		STARTED,
		STOPPED,
		PAUSED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TOC_ENTRY_TYPE_", type_id = "gst_toc_entry_type_get_type ()")]
	public enum TocEntryType {
		ANGLE,
		VERSION,
		EDITION,
		INVALID,
		TITLE,
		TRACK,
		CHAPTER;
		public unowned string get_nick ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TOC_LOOP_", type_id = "gst_toc_loop_type_get_type ()")]
	[Version (since = "1.4")]
	public enum TocLoopType {
		NONE,
		FORWARD,
		REVERSE,
		PING_PONG
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TOC_SCOPE_", type_id = "gst_toc_scope_get_type ()")]
	public enum TocScope {
		GLOBAL,
		CURRENT
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TRACER_VALUE_FLAGS_", type_id = "gst_tracer_value_flags_get_type ()")]
	[Flags]
	public enum TracerValueFlags {
		NONE,
		OPTIONAL,
		AGGREGATED
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TRACER_VALUE_SCOPE_", type_id = "gst_tracer_value_scope_get_type ()")]
	[Version (since = "1.8")]
	public enum TracerValueScope {
		PROCESS,
		THREAD,
		ELEMENT,
		PAD
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_TYPE_FIND_", type_id = "gst_type_find_probability_get_type ()")]
	public enum TypeFindProbability {
		NONE,
		MINIMUM,
		POSSIBLE,
		LIKELY,
		NEARLY_CERTAIN,
		MAXIMUM
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_URI_", type_id = "gst_uri_type_get_type ()")]
	public enum URIType {
		UNKNOWN,
		SINK,
		SRC
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_CORE_ERROR_")]
	public errordomain CoreError {
		FAILED,
		TOO_LAZY,
		NOT_IMPLEMENTED,
		STATE_CHANGE,
		PAD,
		THREAD,
		NEGOTIATION,
		EVENT,
		SEEK,
		CAPS,
		TAG,
		MISSING_PLUGIN,
		CLOCK,
		DISABLED,
		NUM_ERRORS;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_LIBRARY_ERROR_")]
	public errordomain LibraryError {
		FAILED,
		TOO_LAZY,
		INIT,
		SHUTDOWN,
		SETTINGS,
		ENCODE,
		NUM_ERRORS;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PARSE_ERROR_")]
	public errordomain ParseError {
		SYNTAX,
		NO_SUCH_ELEMENT,
		NO_SUCH_PROPERTY,
		LINK,
		COULD_NOT_SET_PROPERTY,
		EMPTY_BIN,
		EMPTY,
		DELAYED_LINK;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_PLUGIN_ERROR_")]
	public errordomain PluginError {
		MODULE,
		DEPENDENCIES,
		NAME_MISMATCH;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_RESOURCE_ERROR_")]
	public errordomain ResourceError {
		FAILED,
		TOO_LAZY,
		NOT_FOUND,
		BUSY,
		OPEN_READ,
		OPEN_WRITE,
		OPEN_READ_WRITE,
		CLOSE,
		READ,
		WRITE,
		SEEK,
		SYNC,
		SETTINGS,
		NO_SPACE_LEFT,
		NOT_AUTHORIZED,
		NUM_ERRORS;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_STREAM_ERROR_")]
	public errordomain StreamError {
		FAILED,
		TOO_LAZY,
		NOT_IMPLEMENTED,
		TYPE_NOT_FOUND,
		WRONG_TYPE,
		CODEC_NOT_FOUND,
		DECODE,
		ENCODE,
		DEMUX,
		MUX,
		FORMAT,
		DECRYPT,
		DECRYPT_NOKEY,
		NUM_ERRORS;
		public static GLib.Quark quark ();
	}
	[CCode (cheader_filename = "gst/gst.h", cprefix = "GST_URI_ERROR_")]
	public errordomain URIError {
		UNSUPPORTED_PROTOCOL,
		BAD_URI,
		BAD_STATE,
		BAD_REFERENCE
	}
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool BufferForeachMetaFunc (Gst.Buffer buffer, out Gst.Meta? meta);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool BufferListFunc (out Gst.Buffer? buffer, uint idx);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool BusFunc (Gst.Bus bus, Gst.Message message);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate Gst.BusSyncReply BusSyncHandler (Gst.Bus bus, Gst.Message message);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool CapsFilterMapFunc (Gst.CapsFeatures features, Gst.Structure structure);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	[Version (since = "1.6")]
	public delegate bool CapsForeachFunc (Gst.CapsFeatures features, Gst.Structure structure);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool CapsMapFunc (Gst.CapsFeatures features, Gst.Structure structure);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 3.9)]
	public delegate bool ClockCallback (Gst.Clock clock, Gst.ClockTime time, Gst.ClockID id);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void ControlBindingConvert (Gst.ControlBinding binding, double src_value, GLib.Value dest_value);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool ControlSourceGetValue (Gst.ControlSource self, Gst.ClockTime timestamp, double value);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool ControlSourceGetValueArray (Gst.ControlSource self, Gst.ClockTime timestamp, Gst.ClockTime interval, uint n_values, double values);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void DebugFuncPtr ();
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate void ElementCallAsyncFunc (Gst.Element element);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	[Version (since = "1.14")]
	public delegate bool ElementForeachPadFunc (Gst.Element element, Gst.Pad pad);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void IteratorCopyFunction (Gst.Iterator it, Gst.Iterator copy);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool IteratorFoldFunction (GLib.Value item, GLib.Value ret);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate void IteratorForeachFunction (GLib.Value item);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void IteratorFreeFunction (Gst.Iterator it);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.IteratorItem IteratorItemFunction (Gst.Iterator it, GLib.Value item);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.IteratorResult IteratorNextFunction (Gst.Iterator it, GLib.Value result);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void IteratorResyncFunction (Gst.Iterator it);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 7.9)]
	public delegate void LogFunction (Gst.DebugCategory category, Gst.DebugLevel level, string file, string function, int line, GLib.Object object, Gst.DebugMessage message);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.Memory MemoryCopyFunction (Gst.Memory mem, ssize_t offset, ssize_t size);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool MemoryIsSpanFunction (Gst.Memory mem1, Gst.Memory mem2, size_t offset);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void* MemoryMapFullFunction (Gst.Memory mem, Gst.MapInfo info, size_t maxsize);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void* MemoryMapFunction (Gst.Memory mem, size_t maxsize, Gst.MapFlags flags);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.Memory MemoryShareFunction (Gst.Memory mem, ssize_t offset, ssize_t size);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void MemoryUnmapFullFunction (Gst.Memory mem, Gst.MapInfo info);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void MemoryUnmapFunction (Gst.Memory mem);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void MetaFreeFunction (Gst.Meta meta, Gst.Buffer buffer);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool MetaInitFunction (Gst.Meta meta, void* @params, Gst.Buffer buffer);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool MetaTransformFunction (Gst.Buffer transbuf, Gst.Meta meta, Gst.Buffer buffer, GLib.Quark type, void* data);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool MiniObjectDisposeFunction (Gst.MiniObject obj);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void MiniObjectFreeFunction (Gst.MiniObject obj);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 0.9)]
	public delegate void MiniObjectNotify (Gst.MiniObject obj);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool PadActivateFunction (Gst.Pad pad, Gst.Object parent);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool PadActivateModeFunction (Gst.Pad pad, Gst.Object parent, Gst.PadMode mode, bool active);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.FlowReturn PadChainFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.Buffer buffer);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.FlowReturn PadChainListFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.BufferList list);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	[Version (since = "1.8")]
	public delegate Gst.FlowReturn PadEventFullFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.Event event);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool PadEventFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.Event event);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate bool PadForwardFunction (Gst.Pad pad);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.FlowReturn PadGetRangeFunction (Gst.Pad pad, Gst.Object? parent, uint64 offset, uint length, Gst.Buffer buffer);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.Iterator PadIterIntLinkFunction (Gst.Pad pad, Gst.Object? parent);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate Gst.PadLinkReturn PadLinkFunction (Gst.Pad pad, Gst.Object? parent, Gst.Pad peer);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate Gst.PadProbeReturn PadProbeCallback (Gst.Pad pad, Gst.PadProbeInfo info);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool PadQueryFunction (Gst.Pad pad, Gst.Object? parent, Gst.Query query);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool PadStickyEventsForeachFunction (Gst.Pad pad, Gst.Event? event);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void PadUnlinkFunction (Gst.Pad pad, Gst.Object? parent);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate bool PluginFeatureFilter (Gst.PluginFeature feature);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate bool PluginFilter (Gst.Plugin plugin);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate bool PluginInitFullFunc (Gst.Plugin plugin);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool PluginInitFunc (Gst.Plugin plugin);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	[Version (since = "1.14")]
	public delegate void PromiseChangeFunc (Gst.Promise promise);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool StructureFilterMapFunc (GLib.Quark field_id, GLib.Value value);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool StructureForeachFunc (GLib.Quark field_id, GLib.Value value);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate bool StructureMapFunc (GLib.Quark field_id, GLib.Value value);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate void TagForeachFunc (Gst.TagList list, string tag);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate void TagMergeFunc (GLib.Value dest, GLib.Value src);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 0.9)]
	public delegate void TaskFunction ();
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 0.9)]
	public delegate void TaskPoolFunction ();
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 2.9)]
	public delegate void TaskThreadFunc (Gst.Task task, GLib.Thread thread);
	[CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
	public delegate void TypeFindFunction (Gst.TypeFind find);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate int ValueCompareFunc (GLib.Value value1, GLib.Value value2);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate bool ValueDeserializeFunc (GLib.Value dest, string s);
	[CCode (cheader_filename = "gst/gst.h", has_target = false)]
	public delegate string ValueSerializeFunc (GLib.Value value1);
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ALLOCATOR_SYSMEM")]
	public const string ALLOCATOR_SYSMEM;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_BUFFER_COPY_ALL")]
	public const Gst.BufferCopyFlags BUFFER_COPY_ALL;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_BUFFER_COPY_METADATA")]
	public const Gst.BufferCopyFlags BUFFER_COPY_METADATA;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_BUFFER_OFFSET_NONE")]
	public const uint64 BUFFER_OFFSET_NONE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_CAN_INLINE")]
	public const int CAN_INLINE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY")]
	public const string CAPS_FEATURE_MEMORY_SYSTEM_MEMORY;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_CLOCK_TIME_NONE")]
	public const Gst.ClockTime CLOCK_TIME_NONE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_AUTHOR")]
	public const string ELEMENT_METADATA_AUTHOR;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_DESCRIPTION")]
	public const string ELEMENT_METADATA_DESCRIPTION;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_DOC_URI")]
	public const string ELEMENT_METADATA_DOC_URI;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_ICON_NAME")]
	public const string ELEMENT_METADATA_ICON_NAME;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_KLASS")]
	public const string ELEMENT_METADATA_KLASS;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ELEMENT_METADATA_LONGNAME")]
	public const string ELEMENT_METADATA_LONGNAME;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_ERROR_SYSTEM")]
	public const string ERROR_SYSTEM;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_EVENT_NUM_SHIFT")]
	public const int EVENT_NUM_SHIFT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_EVENT_TYPE_BOTH")]
	public const Gst.EventTypeFlags EVENT_TYPE_BOTH;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_FLAG_SET_MASK_EXACT")]
	[Version (since = "1.6")]
	public const uint FLAG_SET_MASK_EXACT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_FORMAT_PERCENT_MAX")]
	public const int64 FORMAT_PERCENT_MAX;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_FORMAT_PERCENT_SCALE")]
	public const int64 FORMAT_PERCENT_SCALE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_FOURCC_FORMAT")]
	public const string FOURCC_FORMAT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_GROUP_ID_INVALID")]
	[Version (since = "1.14")]
	public const int GROUP_ID_INVALID;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_LICENSE_UNKNOWN")]
	public const string LICENSE_UNKNOWN;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_LOCK_FLAG_READWRITE")]
	public const Gst.LockFlags LOCK_FLAG_READWRITE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_MAP_READWRITE")]
	public const Gst.MapFlags MAP_READWRITE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_META_TAG_MEMORY_STR")]
	[Version (since = "1.2")]
	public const string META_TAG_MEMORY_STR;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_MSECOND")]
	public const Gst.ClockTimeDiff MSECOND;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_NSECOND")]
	public const Gst.ClockTimeDiff NSECOND;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PARAM_CONTROLLABLE")]
	public const int PARAM_CONTROLLABLE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PARAM_MUTABLE_PAUSED")]
	public const int PARAM_MUTABLE_PAUSED;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PARAM_MUTABLE_PLAYING")]
	public const int PARAM_MUTABLE_PLAYING;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PARAM_MUTABLE_READY")]
	public const int PARAM_MUTABLE_READY;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PARAM_USER_SHIFT")]
	public const int PARAM_USER_SHIFT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PROTECTION_SYSTEM_ID_CAPS_FIELD")]
	[Version (since = "1.6")]
	public const string PROTECTION_SYSTEM_ID_CAPS_FIELD;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_PTR_FORMAT")]
	public const string PTR_FORMAT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_QUERY_NUM_SHIFT")]
	public const int QUERY_NUM_SHIFT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_QUERY_TYPE_BOTH")]
	public const Gst.QueryTypeFlags QUERY_TYPE_BOTH;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_SECOND")]
	public const Gst.ClockTimeDiff SECOND;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_SEGMENT_FORMAT")]
	public const string SEGMENT_FORMAT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_SEQNUM_INVALID")]
	[Version (since = "1.14")]
	public const int SEQNUM_INVALID;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_STIME_FORMAT")]
	[Version (since = "1.6")]
	public const string STIME_FORMAT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_TIME_FORMAT")]
	public const string TIME_FORMAT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_TOC_REPEAT_COUNT_INFINITE")]
	[Version (since = "1.4")]
	public const int TOC_REPEAT_COUNT_INFINITE;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_URI_NO_PORT")]
	public const int URI_NO_PORT;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_USECOND")]
	public const Gst.ClockTimeDiff USECOND;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VALUE_EQUAL")]
	public const int VALUE_EQUAL;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VALUE_GREATER_THAN")]
	public const int VALUE_GREATER_THAN;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VALUE_LESS_THAN")]
	public const int VALUE_LESS_THAN;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VALUE_UNORDERED")]
	public const int VALUE_UNORDERED;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VERSION_MAJOR")]
	public const int VERSION_MAJOR;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VERSION_MICRO")]
	public const int VERSION_MICRO;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VERSION_MINOR")]
	public const int VERSION_MINOR;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_VERSION_NANO")]
	public const int VERSION_NANO;
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_STIME_ARGS", use_inplace = true)]
	public static uint STIME_ARGS (Gst.ClockTimeDiff t);
	[CCode (cheader_filename = "gst/gst.h", cname = "GST_TIME_ARGS", use_inplace = true)]
	public static uint TIME_ARGS (Gst.ClockTime t);
	[CCode (cheader_filename = "gst/gst.h")]
	public static void deinit ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool dynamic_type_register (Gst.Plugin plugin, GLib.Type type);
	[CCode (cheader_filename = "gst/gst.h")]
	public static string error_get_message (GLib.Quark domain, int code);
	[CCode (cheader_filename = "gst/gst.h")]
	public static string filename_to_uri (string filename) throws GLib.Error;
	[CCode (cheader_filename = "gst/gst.h")]
	public static GLib.Quark flow_to_quark (Gst.FlowReturn ret);
	[CCode (cheader_filename = "gst/gst.h")]
	[Version (since = "1.14")]
	public static unowned string? get_main_executable_path ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static void init ([CCode (array_length_cname = "argc", array_length_pos = 0.5)] ref unowned string[]? argv);
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool init_check ([CCode (array_length_cname = "argc", array_length_pos = 0.5)] ref unowned string[]? argv) throws GLib.Error;
	[CCode (cheader_filename = "gst/gst.h")]
	public static GLib.OptionGroup? init_get_option_group ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool is_caps_features (void* obj);
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool is_initialized ();
	[CCode (cheader_filename = "gst/gst.h")]
	[Version (since = "1.14")]
	public static GLib.ParamSpec param_spec_array (string name, string nick, string blurb, GLib.ParamSpec element_spec, GLib.ParamFlags flags);
	[CCode (cheader_filename = "gst/gst.h")]
	public static GLib.ParamSpec? param_spec_fraction (string name, string nick, string blurb, int min_num, int min_denom, int max_num, int max_denom, int default_num, int default_denom, GLib.ParamFlags flags);
	[CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_bin_from_description_full", returns_floating_reference = true)]
	public static Gst.Element? parse_bin_from_description (string bin_description, bool ghost_unlinked_pads, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws GLib.Error;
	[CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_launch_full", returns_floating_reference = true)]
	public static Gst.Element? parse_launch (string pipeline_description, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws GLib.Error;
	[CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_launchv_full", returns_floating_reference = true)]
	public static Gst.Element? parse_launchv ([CCode (array_length = false, array_null_terminated = true)] string[] argv, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws GLib.Error;
	[CCode (cheader_filename = "gst/gst.h")]
	public static unowned string? preset_get_app_dir ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool preset_set_app_dir (string app_dir);
	[CCode (array_length = false, array_null_terminated = true, cheader_filename = "gst/gst.h")]
	[Version (since = "1.14")]
	public static string[]? protection_filter_systems_by_available_decryptors (string system_identifiers);
	[CCode (cheader_filename = "gst/gst.h")]
	[Version (since = "1.6")]
	public static unowned string? protection_select_system ([CCode (array_length = false, array_null_terminated = true)] string[] system_identifiers);
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool segtrap_is_enabled ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static void segtrap_set_enabled (bool enabled);
	[CCode (cheader_filename = "gst/gst.h")]
	public static bool update_registry ();
	[CCode (cheader_filename = "gst/gst.h")]
	public static void version (out uint major, out uint minor, out uint micro, out uint nano);
	[CCode (cheader_filename = "gst/gst.h")]
	public static string version_string ();
}