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
// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use bitflags::bitflags;
use glib::translate::*;
use glib::value::FromValue;
use glib::value::ToValue;
use glib::StaticType;
use glib::Type;
#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
use std::ffi::CStr;
#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
use std::fmt;

bitflags! {
    /// GstBinFlags are a set of flags specific to bins. Most are set/used
    /// internally. They can be checked using the GST_OBJECT_FLAG_IS_SET() macro,
    /// and (un)set using GST_OBJECT_FLAG_SET() and GST_OBJECT_FLAG_UNSET().
    #[doc(alias = "GstBinFlags")]
    pub struct BinFlags: u32 {
        /// Don't resync a state change when elements are added or linked in the bin
        #[doc(alias = "GST_BIN_FLAG_NO_RESYNC")]
        const NO_RESYNC = ffi::GST_BIN_FLAG_NO_RESYNC as u32;
        /// Indicates whether the bin can handle elements that add/remove source pads
        /// at any point in time without first posting a no-more-pads signal.
        #[cfg(any(feature = "v1_10", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
        #[doc(alias = "GST_BIN_FLAG_STREAMS_AWARE")]
        const STREAMS_AWARE = ffi::GST_BIN_FLAG_STREAMS_AWARE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for BinFlags {
    type GlibType = ffi::GstBinFlags;

    fn into_glib(self) -> ffi::GstBinFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstBinFlags> for BinFlags {
    unsafe fn from_glib(value: ffi::GstBinFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for BinFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_bin_flags_get_type()) }
    }
}

impl glib::value::ValueType for BinFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for BinFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for BinFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// A set of flags that can be provided to the [`Buffer::copy_into()`][crate::Buffer::copy_into()]
    /// function to specify which items should be copied.
    #[doc(alias = "GstBufferCopyFlags")]
    pub struct BufferCopyFlags: u32 {
        /// flag indicating that buffer flags should be copied
        #[doc(alias = "GST_BUFFER_COPY_FLAGS")]
        const FLAGS = ffi::GST_BUFFER_COPY_FLAGS as u32;
        /// flag indicating that buffer pts, dts,
        ///  duration, offset and offset_end should be copied
        #[doc(alias = "GST_BUFFER_COPY_TIMESTAMPS")]
        const TIMESTAMPS = ffi::GST_BUFFER_COPY_TIMESTAMPS as u32;
        /// flag indicating that buffer meta should be
        ///  copied
        #[doc(alias = "GST_BUFFER_COPY_META")]
        const META = ffi::GST_BUFFER_COPY_META as u32;
        /// flag indicating that buffer memory should be reffed
        ///  and appended to already existing memory. Unless the memory is marked as
        ///  NO_SHARE, no actual copy of the memory is made but it is simply reffed.
        ///  Add [`DEEP`][Self::DEEP] to force a real copy.
        #[doc(alias = "GST_BUFFER_COPY_MEMORY")]
        const MEMORY = ffi::GST_BUFFER_COPY_MEMORY as u32;
        /// flag indicating that buffer memory should be
        ///  merged
        #[doc(alias = "GST_BUFFER_COPY_MERGE")]
        const MERGE = ffi::GST_BUFFER_COPY_MERGE as u32;
        /// flag indicating that memory should always be copied instead of reffed
        #[doc(alias = "GST_BUFFER_COPY_DEEP")]
        const DEEP = ffi::GST_BUFFER_COPY_DEEP as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for BufferCopyFlags {
    type GlibType = ffi::GstBufferCopyFlags;

    fn into_glib(self) -> ffi::GstBufferCopyFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstBufferCopyFlags> for BufferCopyFlags {
    unsafe fn from_glib(value: ffi::GstBufferCopyFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for BufferCopyFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_buffer_copy_flags_get_type()) }
    }
}

impl glib::value::ValueType for BufferCopyFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for BufferCopyFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for BufferCopyFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// A set of buffer flags used to describe properties of a [`Buffer`][crate::Buffer].
    #[cfg_attr(feature = "ser_de", derive(serde::Serialize, serde::Deserialize))]
    #[doc(alias = "GstBufferFlags")]
    pub struct BufferFlags: u32 {
        /// the buffer is live data and should be discarded in
        ///  the PAUSED state.
        #[doc(alias = "GST_BUFFER_FLAG_LIVE")]
        const LIVE = ffi::GST_BUFFER_FLAG_LIVE as u32;
        /// the buffer contains data that should be dropped
        ///  because it will be clipped against the segment
        ///  boundaries or because it does not contain data
        ///  that should be shown to the user.
        #[doc(alias = "GST_BUFFER_FLAG_DECODE_ONLY")]
        const DECODE_ONLY = ffi::GST_BUFFER_FLAG_DECODE_ONLY as u32;
        /// the buffer marks a data discontinuity in the stream.
        ///  This typically occurs after a seek or a dropped buffer
        ///  from a live or network source.
        #[doc(alias = "GST_BUFFER_FLAG_DISCONT")]
        const DISCONT = ffi::GST_BUFFER_FLAG_DISCONT as u32;
        /// the buffer timestamps might have a discontinuity
        ///  and this buffer is a good point to resynchronize.
        #[doc(alias = "GST_BUFFER_FLAG_RESYNC")]
        const RESYNC = ffi::GST_BUFFER_FLAG_RESYNC as u32;
        /// the buffer data is corrupted.
        #[doc(alias = "GST_BUFFER_FLAG_CORRUPTED")]
        const CORRUPTED = ffi::GST_BUFFER_FLAG_CORRUPTED as u32;
        /// the buffer contains a media specific marker. for
        ///  video this is the end of a frame boundary, for audio
        ///  this is the start of a talkspurt. for RTP
        ///  packets this matches the marker flag in the
        ///  RTP packet header.
        #[doc(alias = "GST_BUFFER_FLAG_MARKER")]
        const MARKER = ffi::GST_BUFFER_FLAG_MARKER as u32;
        /// the buffer contains header information that is
        ///  needed to decode the following data.
        #[doc(alias = "GST_BUFFER_FLAG_HEADER")]
        const HEADER = ffi::GST_BUFFER_FLAG_HEADER as u32;
        /// the buffer has been created to fill a gap in the
        ///  stream and contains media neutral data (elements can
        ///  switch to optimized code path that ignores the buffer
        ///  content).
        #[doc(alias = "GST_BUFFER_FLAG_GAP")]
        const GAP = ffi::GST_BUFFER_FLAG_GAP as u32;
        /// the buffer can be dropped without breaking the
        ///  stream, for example to reduce bandwidth.
        #[doc(alias = "GST_BUFFER_FLAG_DROPPABLE")]
        const DROPPABLE = ffi::GST_BUFFER_FLAG_DROPPABLE as u32;
        /// this unit cannot be decoded independently.
        #[doc(alias = "GST_BUFFER_FLAG_DELTA_UNIT")]
        const DELTA_UNIT = ffi::GST_BUFFER_FLAG_DELTA_UNIT as u32;
        /// this flag is set when memory of the buffer
        ///  is added/removed
        #[doc(alias = "GST_BUFFER_FLAG_TAG_MEMORY")]
        const TAG_MEMORY = ffi::GST_BUFFER_FLAG_TAG_MEMORY as u32;
        /// Elements which write to disk or permanent storage should ensure the data
        /// is synced after writing the contents of this buffer.
        #[doc(alias = "GST_BUFFER_FLAG_SYNC_AFTER")]
        const SYNC_AFTER = ffi::GST_BUFFER_FLAG_SYNC_AFTER as u32;
        /// This buffer is important and should not be dropped.
        ///
        /// This can be used to mark important buffers, e.g. to flag RTP packets
        /// carrying keyframes or codec setup data for RTP Forward Error Correction
        /// purposes, or to prevent still video frames from being dropped by elements
        /// due to QoS.
        #[cfg(any(feature = "v1_14", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
        #[doc(alias = "GST_BUFFER_FLAG_NON_DROPPABLE")]
        const NON_DROPPABLE = ffi::GST_BUFFER_FLAG_NON_DROPPABLE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for BufferFlags {
    type GlibType = ffi::GstBufferFlags;

    fn into_glib(self) -> ffi::GstBufferFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstBufferFlags> for BufferFlags {
    unsafe fn from_glib(value: ffi::GstBufferFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for BufferFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_buffer_flags_get_type()) }
    }
}

impl glib::value::ValueType for BufferFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for BufferFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for BufferFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Additional flags to control the allocation of a buffer
    #[doc(alias = "GstBufferPoolAcquireFlags")]
    pub struct BufferPoolAcquireFlags: u32 {
        /// buffer is keyframe
        #[doc(alias = "GST_BUFFER_POOL_ACQUIRE_FLAG_KEY_UNIT")]
        const KEY_UNIT = ffi::GST_BUFFER_POOL_ACQUIRE_FLAG_KEY_UNIT as u32;
        /// when the bufferpool is empty, acquire_buffer
        /// will by default block until a buffer is released into the pool again. Setting
        /// this flag makes acquire_buffer return [`FlowReturn::Eos`][crate::FlowReturn::Eos] instead of blocking.
        #[doc(alias = "GST_BUFFER_POOL_ACQUIRE_FLAG_DONTWAIT")]
        const DONTWAIT = ffi::GST_BUFFER_POOL_ACQUIRE_FLAG_DONTWAIT as u32;
        /// buffer is discont
        #[doc(alias = "GST_BUFFER_POOL_ACQUIRE_FLAG_DISCONT")]
        const DISCONT = ffi::GST_BUFFER_POOL_ACQUIRE_FLAG_DISCONT as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for BufferPoolAcquireFlags {
    type GlibType = ffi::GstBufferPoolAcquireFlags;

    fn into_glib(self) -> ffi::GstBufferPoolAcquireFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstBufferPoolAcquireFlags> for BufferPoolAcquireFlags {
    unsafe fn from_glib(value: ffi::GstBufferPoolAcquireFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for BufferPoolAcquireFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_buffer_pool_acquire_flags_get_type()) }
    }
}

impl glib::value::ValueType for BufferPoolAcquireFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for BufferPoolAcquireFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for BufferPoolAcquireFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The capabilities of this clock
    #[doc(alias = "GstClockFlags")]
    pub struct ClockFlags: u32 {
        /// clock can do a single sync timeout request
        #[doc(alias = "GST_CLOCK_FLAG_CAN_DO_SINGLE_SYNC")]
        const CAN_DO_SINGLE_SYNC = ffi::GST_CLOCK_FLAG_CAN_DO_SINGLE_SYNC as u32;
        /// clock can do a single async timeout request
        #[doc(alias = "GST_CLOCK_FLAG_CAN_DO_SINGLE_ASYNC")]
        const CAN_DO_SINGLE_ASYNC = ffi::GST_CLOCK_FLAG_CAN_DO_SINGLE_ASYNC as u32;
        /// clock can do sync periodic timeout requests
        #[doc(alias = "GST_CLOCK_FLAG_CAN_DO_PERIODIC_SYNC")]
        const CAN_DO_PERIODIC_SYNC = ffi::GST_CLOCK_FLAG_CAN_DO_PERIODIC_SYNC as u32;
        /// clock can do async periodic timeout callbacks
        #[doc(alias = "GST_CLOCK_FLAG_CAN_DO_PERIODIC_ASYNC")]
        const CAN_DO_PERIODIC_ASYNC = ffi::GST_CLOCK_FLAG_CAN_DO_PERIODIC_ASYNC as u32;
        /// clock's resolution can be changed
        #[doc(alias = "GST_CLOCK_FLAG_CAN_SET_RESOLUTION")]
        const CAN_SET_RESOLUTION = ffi::GST_CLOCK_FLAG_CAN_SET_RESOLUTION as u32;
        /// clock can be slaved to a master clock
        #[doc(alias = "GST_CLOCK_FLAG_CAN_SET_MASTER")]
        const CAN_SET_MASTER = ffi::GST_CLOCK_FLAG_CAN_SET_MASTER as u32;
        /// clock needs to be synced before it can be used
        #[doc(alias = "GST_CLOCK_FLAG_NEEDS_STARTUP_SYNC")]
        const NEEDS_STARTUP_SYNC = ffi::GST_CLOCK_FLAG_NEEDS_STARTUP_SYNC as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for ClockFlags {
    type GlibType = ffi::GstClockFlags;

    fn into_glib(self) -> ffi::GstClockFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstClockFlags> for ClockFlags {
    unsafe fn from_glib(value: ffi::GstClockFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for ClockFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_clock_flags_get_type()) }
    }
}

impl glib::value::ValueType for ClockFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for ClockFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for ClockFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// These are some terminal style flags you can use when creating your
    /// debugging categories to make them stand out in debugging output.
    #[doc(alias = "GstDebugColorFlags")]
    pub struct DebugColorFlags: u32 {
        /// Use black as foreground color.
        #[doc(alias = "GST_DEBUG_FG_BLACK")]
        const FG_BLACK = ffi::GST_DEBUG_FG_BLACK as u32;
        /// Use red as foreground color.
        #[doc(alias = "GST_DEBUG_FG_RED")]
        const FG_RED = ffi::GST_DEBUG_FG_RED as u32;
        /// Use green as foreground color.
        #[doc(alias = "GST_DEBUG_FG_GREEN")]
        const FG_GREEN = ffi::GST_DEBUG_FG_GREEN as u32;
        /// Use yellow as foreground color.
        #[doc(alias = "GST_DEBUG_FG_YELLOW")]
        const FG_YELLOW = ffi::GST_DEBUG_FG_YELLOW as u32;
        /// Use blue as foreground color.
        #[doc(alias = "GST_DEBUG_FG_BLUE")]
        const FG_BLUE = ffi::GST_DEBUG_FG_BLUE as u32;
        /// Use magenta as foreground color.
        #[doc(alias = "GST_DEBUG_FG_MAGENTA")]
        const FG_MAGENTA = ffi::GST_DEBUG_FG_MAGENTA as u32;
        /// Use cyan as foreground color.
        #[doc(alias = "GST_DEBUG_FG_CYAN")]
        const FG_CYAN = ffi::GST_DEBUG_FG_CYAN as u32;
        /// Use white as foreground color.
        #[doc(alias = "GST_DEBUG_FG_WHITE")]
        const FG_WHITE = ffi::GST_DEBUG_FG_WHITE as u32;
        /// Use black as background color.
        #[doc(alias = "GST_DEBUG_BG_BLACK")]
        const BG_BLACK = ffi::GST_DEBUG_BG_BLACK as u32;
        /// Use red as background color.
        #[doc(alias = "GST_DEBUG_BG_RED")]
        const BG_RED = ffi::GST_DEBUG_BG_RED as u32;
        /// Use green as background color.
        #[doc(alias = "GST_DEBUG_BG_GREEN")]
        const BG_GREEN = ffi::GST_DEBUG_BG_GREEN as u32;
        /// Use yellow as background color.
        #[doc(alias = "GST_DEBUG_BG_YELLOW")]
        const BG_YELLOW = ffi::GST_DEBUG_BG_YELLOW as u32;
        /// Use blue as background color.
        #[doc(alias = "GST_DEBUG_BG_BLUE")]
        const BG_BLUE = ffi::GST_DEBUG_BG_BLUE as u32;
        /// Use magenta as background color.
        #[doc(alias = "GST_DEBUG_BG_MAGENTA")]
        const BG_MAGENTA = ffi::GST_DEBUG_BG_MAGENTA as u32;
        /// Use cyan as background color.
        #[doc(alias = "GST_DEBUG_BG_CYAN")]
        const BG_CYAN = ffi::GST_DEBUG_BG_CYAN as u32;
        /// Use white as background color.
        #[doc(alias = "GST_DEBUG_BG_WHITE")]
        const BG_WHITE = ffi::GST_DEBUG_BG_WHITE as u32;
        /// Make the output bold.
        #[doc(alias = "GST_DEBUG_BOLD")]
        const BOLD = ffi::GST_DEBUG_BOLD as u32;
        /// Underline the output.
        #[doc(alias = "GST_DEBUG_UNDERLINE")]
        const UNDERLINE = ffi::GST_DEBUG_UNDERLINE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for DebugColorFlags {
    type GlibType = ffi::GstDebugColorFlags;

    fn into_glib(self) -> ffi::GstDebugColorFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstDebugColorFlags> for DebugColorFlags {
    unsafe fn from_glib(value: ffi::GstDebugColorFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for DebugColorFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_debug_color_flags_get_type()) }
    }
}

impl glib::value::ValueType for DebugColorFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for DebugColorFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for DebugColorFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Available details for pipeline graphs produced by GST_DEBUG_BIN_TO_DOT_FILE()
    /// and GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS().
    #[doc(alias = "GstDebugGraphDetails")]
    pub struct DebugGraphDetails: u32 {
        /// show caps-name on edges
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE")]
        const MEDIA_TYPE = ffi::GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE as u32;
        /// show caps-details on edges
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS")]
        const CAPS_DETAILS = ffi::GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS as u32;
        /// show modified parameters on
        ///  elements
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS")]
        const NON_DEFAULT_PARAMS = ffi::GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS as u32;
        /// show element states
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_STATES")]
        const STATES = ffi::GST_DEBUG_GRAPH_SHOW_STATES as u32;
        /// show full element parameter values even
        ///  if they are very long
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_FULL_PARAMS")]
        const FULL_PARAMS = ffi::GST_DEBUG_GRAPH_SHOW_FULL_PARAMS as u32;
        /// show all the typical details that one might want
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_ALL")]
        const ALL = ffi::GST_DEBUG_GRAPH_SHOW_ALL as u32;
        /// show all details regardless of how large or
        ///  verbose they make the resulting output
        #[doc(alias = "GST_DEBUG_GRAPH_SHOW_VERBOSE")]
        const VERBOSE = ffi::GST_DEBUG_GRAPH_SHOW_VERBOSE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for DebugGraphDetails {
    type GlibType = ffi::GstDebugGraphDetails;

    fn into_glib(self) -> ffi::GstDebugGraphDetails {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstDebugGraphDetails> for DebugGraphDetails {
    unsafe fn from_glib(value: ffi::GstDebugGraphDetails) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for DebugGraphDetails {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_debug_graph_details_get_type()) }
    }
}

impl glib::value::ValueType for DebugGraphDetails {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for DebugGraphDetails {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for DebugGraphDetails {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The standard flags that an element may have.
    #[doc(alias = "GstElementFlags")]
    pub struct ElementFlags: u32 {
        /// ignore state changes from parent
        #[doc(alias = "GST_ELEMENT_FLAG_LOCKED_STATE")]
        const LOCKED_STATE = ffi::GST_ELEMENT_FLAG_LOCKED_STATE as u32;
        /// the element is a sink
        #[doc(alias = "GST_ELEMENT_FLAG_SINK")]
        const SINK = ffi::GST_ELEMENT_FLAG_SINK as u32;
        /// the element is a source.
        #[doc(alias = "GST_ELEMENT_FLAG_SOURCE")]
        const SOURCE = ffi::GST_ELEMENT_FLAG_SOURCE as u32;
        /// the element can provide a clock
        #[doc(alias = "GST_ELEMENT_FLAG_PROVIDE_CLOCK")]
        const PROVIDE_CLOCK = ffi::GST_ELEMENT_FLAG_PROVIDE_CLOCK as u32;
        /// the element requires a clock
        #[doc(alias = "GST_ELEMENT_FLAG_REQUIRE_CLOCK")]
        const REQUIRE_CLOCK = ffi::GST_ELEMENT_FLAG_REQUIRE_CLOCK as u32;
        /// the element can use an index
        #[doc(alias = "GST_ELEMENT_FLAG_INDEXABLE")]
        const INDEXABLE = ffi::GST_ELEMENT_FLAG_INDEXABLE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for ElementFlags {
    type GlibType = ffi::GstElementFlags;

    fn into_glib(self) -> ffi::GstElementFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstElementFlags> for ElementFlags {
    unsafe fn from_glib(value: ffi::GstElementFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for ElementFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_element_flags_get_type()) }
    }
}

impl glib::value::ValueType for ElementFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for ElementFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for ElementFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// [`EventTypeFlags`][crate::EventTypeFlags] indicate the aspects of the different [`EventType`][crate::EventType]
    /// values. You can get the type flags of a [`EventType`][crate::EventType] with the
    /// [`EventType::flags()`][crate::EventType::flags()] function.
    #[doc(alias = "GstEventTypeFlags")]
    pub struct EventTypeFlags: u32 {
        /// Set if the event can travel upstream.
        #[doc(alias = "GST_EVENT_TYPE_UPSTREAM")]
        const UPSTREAM = ffi::GST_EVENT_TYPE_UPSTREAM as u32;
        /// Set if the event can travel downstream.
        #[doc(alias = "GST_EVENT_TYPE_DOWNSTREAM")]
        const DOWNSTREAM = ffi::GST_EVENT_TYPE_DOWNSTREAM as u32;
        /// Set if the event should be serialized with data
        ///  flow.
        #[doc(alias = "GST_EVENT_TYPE_SERIALIZED")]
        const SERIALIZED = ffi::GST_EVENT_TYPE_SERIALIZED as u32;
        /// Set if the event is sticky on the pads.
        #[doc(alias = "GST_EVENT_TYPE_STICKY")]
        const STICKY = ffi::GST_EVENT_TYPE_STICKY as u32;
        /// Multiple sticky events can be on a pad, each
        ///  identified by the event name.
        #[doc(alias = "GST_EVENT_TYPE_STICKY_MULTI")]
        const STICKY_MULTI = ffi::GST_EVENT_TYPE_STICKY_MULTI as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for EventTypeFlags {
    type GlibType = ffi::GstEventTypeFlags;

    fn into_glib(self) -> ffi::GstEventTypeFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstEventTypeFlags> for EventTypeFlags {
    unsafe fn from_glib(value: ffi::GstEventTypeFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for EventTypeFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_event_type_flags_get_type()) }
    }
}

impl glib::value::ValueType for EventTypeFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for EventTypeFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for EventTypeFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
bitflags! {
    /// The different flags that can be set on [`EventType::Gap`][crate::EventType::Gap] events. See
    /// [`Event::set_gap_flags()`][crate::Event::set_gap_flags()] for details.
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
    #[doc(alias = "GstGapFlags")]
    pub struct GapFlags: u32 {
        /// The [`EventType::Gap`][crate::EventType::Gap] signals missing data,
        ///  for example because of packet loss.
        #[doc(alias = "GST_GAP_FLAG_MISSING_DATA")]
        const DATA = ffi::GST_GAP_FLAG_MISSING_DATA as u32;
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
#[doc(hidden)]
impl IntoGlib for GapFlags {
    type GlibType = ffi::GstGapFlags;

    fn into_glib(self) -> ffi::GstGapFlags {
        self.bits()
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
#[doc(hidden)]
impl FromGlib<ffi::GstGapFlags> for GapFlags {
    unsafe fn from_glib(value: ffi::GstGapFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl StaticType for GapFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_gap_flags_get_type()) }
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl glib::value::ValueType for GapFlags {
    type Type = Self;
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
unsafe impl<'a> FromValue<'a> for GapFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl ToValue for GapFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Flags for wrapped memory.
    #[doc(alias = "GstMemoryFlags")]
    pub struct MemoryFlags: u32 {
        /// memory is readonly. It is not allowed to map the
        /// memory with `GST_MAP_WRITE`.
        #[doc(alias = "GST_MEMORY_FLAG_READONLY")]
        const READONLY = ffi::GST_MEMORY_FLAG_READONLY as u32;
        /// memory must not be shared. Copies will have to be
        /// made when this memory needs to be shared between buffers. (DEPRECATED:
        /// do not use in new code, instead you should create a custom GstAllocator for
        /// memory pooling instead of relying on the GstBuffer they were originally
        /// attached to.)
        #[doc(alias = "GST_MEMORY_FLAG_NO_SHARE")]
        const NO_SHARE = ffi::GST_MEMORY_FLAG_NO_SHARE as u32;
        /// the memory prefix is filled with 0 bytes
        #[doc(alias = "GST_MEMORY_FLAG_ZERO_PREFIXED")]
        const ZERO_PREFIXED = ffi::GST_MEMORY_FLAG_ZERO_PREFIXED as u32;
        /// the memory padding is filled with 0 bytes
        #[doc(alias = "GST_MEMORY_FLAG_ZERO_PADDED")]
        const ZERO_PADDED = ffi::GST_MEMORY_FLAG_ZERO_PADDED as u32;
        /// the memory is physically
        /// contiguous. (Since: 1.2)
        #[doc(alias = "GST_MEMORY_FLAG_PHYSICALLY_CONTIGUOUS")]
        const PHYSICALLY_CONTIGUOUS = ffi::GST_MEMORY_FLAG_PHYSICALLY_CONTIGUOUS as u32;
        /// the memory can't be mapped via
        /// [`Memory::into_mapped_memory_readable()`][crate::Memory::into_mapped_memory_readable()] without any preconditions. (Since: 1.2)
        #[doc(alias = "GST_MEMORY_FLAG_NOT_MAPPABLE")]
        const NOT_MAPPABLE = ffi::GST_MEMORY_FLAG_NOT_MAPPABLE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for MemoryFlags {
    type GlibType = ffi::GstMemoryFlags;

    fn into_glib(self) -> ffi::GstMemoryFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstMemoryFlags> for MemoryFlags {
    unsafe fn from_glib(value: ffi::GstMemoryFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for MemoryFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_memory_flags_get_type()) }
    }
}

impl glib::value::ValueType for MemoryFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for MemoryFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for MemoryFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Extra metadata flags.
    #[doc(alias = "GstMetaFlags")]
    pub struct MetaFlags: u32 {
        /// metadata should not be modified
        #[doc(alias = "GST_META_FLAG_READONLY")]
        const READONLY = ffi::GST_META_FLAG_READONLY as u32;
        /// metadata is managed by a bufferpool
        #[doc(alias = "GST_META_FLAG_POOLED")]
        const POOLED = ffi::GST_META_FLAG_POOLED as u32;
        /// metadata should not be removed
        #[doc(alias = "GST_META_FLAG_LOCKED")]
        const LOCKED = ffi::GST_META_FLAG_LOCKED as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for MetaFlags {
    type GlibType = ffi::GstMetaFlags;

    fn into_glib(self) -> ffi::GstMetaFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstMetaFlags> for MetaFlags {
    unsafe fn from_glib(value: ffi::GstMetaFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for MetaFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_meta_flags_get_type()) }
    }
}

impl glib::value::ValueType for MetaFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for MetaFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for MetaFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The standard flags that an gstobject may have.
    #[doc(alias = "GstObjectFlags")]
    pub struct ObjectFlags: u32 {
        /// the object is expected to stay alive even
        /// after `gst_deinit()` has been called and so should be ignored by leak
        /// detection tools. (Since: 1.10)
        #[cfg(any(feature = "v1_10", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
        #[doc(alias = "GST_OBJECT_FLAG_MAY_BE_LEAKED")]
        const MAY_BE_LEAKED = ffi::GST_OBJECT_FLAG_MAY_BE_LEAKED as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for ObjectFlags {
    type GlibType = ffi::GstObjectFlags;

    fn into_glib(self) -> ffi::GstObjectFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstObjectFlags> for ObjectFlags {
    unsafe fn from_glib(value: ffi::GstObjectFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for ObjectFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_object_flags_get_type()) }
    }
}

impl glib::value::ValueType for ObjectFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for ObjectFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for ObjectFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Pad state flags
    #[doc(alias = "GstPadFlags")]
    pub struct PadFlags: u32 {
        /// is dataflow on a pad blocked
        #[doc(alias = "GST_PAD_FLAG_BLOCKED")]
        const BLOCKED = ffi::GST_PAD_FLAG_BLOCKED as u32;
        /// is pad flushing
        #[doc(alias = "GST_PAD_FLAG_FLUSHING")]
        const FLUSHING = ffi::GST_PAD_FLAG_FLUSHING as u32;
        /// is pad in EOS state
        #[doc(alias = "GST_PAD_FLAG_EOS")]
        const EOS = ffi::GST_PAD_FLAG_EOS as u32;
        /// is pad currently blocking on a buffer or event
        #[doc(alias = "GST_PAD_FLAG_BLOCKING")]
        const BLOCKING = ffi::GST_PAD_FLAG_BLOCKING as u32;
        /// ensure that there is a parent object before calling
        ///  into the pad callbacks.
        #[doc(alias = "GST_PAD_FLAG_NEED_PARENT")]
        const NEED_PARENT = ffi::GST_PAD_FLAG_NEED_PARENT as u32;
        /// the pad should be reconfigured/renegotiated.
        ///  The flag has to be unset manually after
        ///  reconfiguration happened.
        #[doc(alias = "GST_PAD_FLAG_NEED_RECONFIGURE")]
        const NEED_RECONFIGURE = ffi::GST_PAD_FLAG_NEED_RECONFIGURE as u32;
        /// the pad has pending events
        #[doc(alias = "GST_PAD_FLAG_PENDING_EVENTS")]
        const PENDING_EVENTS = ffi::GST_PAD_FLAG_PENDING_EVENTS as u32;
        /// the pad is using fixed caps. This means that
        ///  once the caps are set on the pad, the default caps query function
        ///  will only return those caps.
        #[doc(alias = "GST_PAD_FLAG_FIXED_CAPS")]
        const FIXED_CAPS = ffi::GST_PAD_FLAG_FIXED_CAPS as u32;
        /// the default event and query handler will forward
        ///  all events and queries to the internally linked pads
        ///  instead of discarding them.
        #[doc(alias = "GST_PAD_FLAG_PROXY_CAPS")]
        const PROXY_CAPS = ffi::GST_PAD_FLAG_PROXY_CAPS as u32;
        /// the default query handler will forward
        ///  allocation queries to the internally linked pads
        ///  instead of discarding them.
        #[doc(alias = "GST_PAD_FLAG_PROXY_ALLOCATION")]
        const PROXY_ALLOCATION = ffi::GST_PAD_FLAG_PROXY_ALLOCATION as u32;
        /// the default query handler will forward
        ///  scheduling queries to the internally linked pads
        ///  instead of discarding them.
        #[doc(alias = "GST_PAD_FLAG_PROXY_SCHEDULING")]
        const PROXY_SCHEDULING = ffi::GST_PAD_FLAG_PROXY_SCHEDULING as u32;
        /// the default accept-caps handler will check
        ///  it the caps intersect the query-caps result instead
        ///  of checking for a subset. This is interesting for
        ///  parsers that can accept incompletely specified caps.
        #[doc(alias = "GST_PAD_FLAG_ACCEPT_INTERSECT")]
        const ACCEPT_INTERSECT = ffi::GST_PAD_FLAG_ACCEPT_INTERSECT as u32;
        /// the default accept-caps handler will use
        ///  the template pad caps instead of query caps to
        ///  compare with the accept caps. Use this in combination
        ///  with [`ACCEPT_INTERSECT`][Self::ACCEPT_INTERSECT]. (Since: 1.6)
        #[doc(alias = "GST_PAD_FLAG_ACCEPT_TEMPLATE")]
        const ACCEPT_TEMPLATE = ffi::GST_PAD_FLAG_ACCEPT_TEMPLATE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PadFlags {
    type GlibType = ffi::GstPadFlags;

    fn into_glib(self) -> ffi::GstPadFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPadFlags> for PadFlags {
    unsafe fn from_glib(value: ffi::GstPadFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PadFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_pad_flags_get_type()) }
    }
}

impl glib::value::ValueType for PadFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PadFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PadFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The amount of checking to be done when linking pads. [`CAPS`][Self::CAPS]
    /// and [`TEMPLATE_CAPS`][Self::TEMPLATE_CAPS] are mutually exclusive. If both are
    /// specified, expensive but safe [`CAPS`][Self::CAPS] are performed.
    ///
    /// > Only disable some of the checks if you are 100% certain you know the link
    /// > will not fail because of hierarchy/caps compatibility failures. If uncertain,
    /// > use the default checks ([`DEFAULT`][Self::DEFAULT]) or the regular methods
    /// > for linking the pads.
    #[doc(alias = "GstPadLinkCheck")]
    pub struct PadLinkCheck: u32 {
        /// Check the pads have same parents/grandparents.
        ///  Could be omitted if it is already known that the two elements that own the
        ///  pads are in the same bin.
        #[doc(alias = "GST_PAD_LINK_CHECK_HIERARCHY")]
        const HIERARCHY = ffi::GST_PAD_LINK_CHECK_HIERARCHY as u32;
        /// Check if the pads are compatible by using
        ///  their template caps. This is much faster than [`CAPS`][Self::CAPS], but
        ///  would be unsafe e.g. if one pad has `GST_CAPS_ANY`.
        #[doc(alias = "GST_PAD_LINK_CHECK_TEMPLATE_CAPS")]
        const TEMPLATE_CAPS = ffi::GST_PAD_LINK_CHECK_TEMPLATE_CAPS as u32;
        /// Check if the pads are compatible by comparing the
        ///  caps returned by [`PadExt::query_caps()`][crate::prelude::PadExt::query_caps()].
        #[doc(alias = "GST_PAD_LINK_CHECK_CAPS")]
        const CAPS = ffi::GST_PAD_LINK_CHECK_CAPS as u32;
        /// Disables pushing a reconfigure event when pads are
        ///  linked.
        #[doc(alias = "GST_PAD_LINK_CHECK_NO_RECONFIGURE")]
        const NO_RECONFIGURE = ffi::GST_PAD_LINK_CHECK_NO_RECONFIGURE as u32;
        /// The default checks done when linking
        ///  pads (i.e. the ones used by [`PadExt::link()`][crate::prelude::PadExt::link()]).
        #[doc(alias = "GST_PAD_LINK_CHECK_DEFAULT")]
        const DEFAULT = ffi::GST_PAD_LINK_CHECK_DEFAULT as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PadLinkCheck {
    type GlibType = ffi::GstPadLinkCheck;

    fn into_glib(self) -> ffi::GstPadLinkCheck {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPadLinkCheck> for PadLinkCheck {
    unsafe fn from_glib(value: ffi::GstPadLinkCheck) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PadLinkCheck {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_pad_link_check_get_type()) }
    }
}

impl glib::value::ValueType for PadLinkCheck {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PadLinkCheck {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PadLinkCheck {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The different probing types that can occur. When either one of
    /// [`IDLE`][Self::IDLE] or [`BLOCK`][Self::BLOCK] is used, the probe will be a
    /// blocking probe.
    #[doc(alias = "GstPadProbeType")]
    pub struct PadProbeType: u32 {
        /// probe idle pads and block while the callback is called
        #[doc(alias = "GST_PAD_PROBE_TYPE_IDLE")]
        const IDLE = ffi::GST_PAD_PROBE_TYPE_IDLE as u32;
        /// probe and block pads
        #[doc(alias = "GST_PAD_PROBE_TYPE_BLOCK")]
        const BLOCK = ffi::GST_PAD_PROBE_TYPE_BLOCK as u32;
        /// probe buffers
        #[doc(alias = "GST_PAD_PROBE_TYPE_BUFFER")]
        const BUFFER = ffi::GST_PAD_PROBE_TYPE_BUFFER as u32;
        /// probe buffer lists
        #[doc(alias = "GST_PAD_PROBE_TYPE_BUFFER_LIST")]
        const BUFFER_LIST = ffi::GST_PAD_PROBE_TYPE_BUFFER_LIST as u32;
        /// probe downstream events
        #[doc(alias = "GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM")]
        const EVENT_DOWNSTREAM = ffi::GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM as u32;
        /// probe upstream events
        #[doc(alias = "GST_PAD_PROBE_TYPE_EVENT_UPSTREAM")]
        const EVENT_UPSTREAM = ffi::GST_PAD_PROBE_TYPE_EVENT_UPSTREAM as u32;
        /// probe flush events. This probe has to be
        ///  explicitly enabled and is not included in the
        ///  @[`EVENT_DOWNSTREAM`][Self::EVENT_DOWNSTREAM] or
        ///  @[`EVENT_UPSTREAM`][Self::EVENT_UPSTREAM] probe types.
        #[doc(alias = "GST_PAD_PROBE_TYPE_EVENT_FLUSH")]
        const EVENT_FLUSH = ffi::GST_PAD_PROBE_TYPE_EVENT_FLUSH as u32;
        /// probe downstream queries
        #[doc(alias = "GST_PAD_PROBE_TYPE_QUERY_DOWNSTREAM")]
        const QUERY_DOWNSTREAM = ffi::GST_PAD_PROBE_TYPE_QUERY_DOWNSTREAM as u32;
        /// probe upstream queries
        #[doc(alias = "GST_PAD_PROBE_TYPE_QUERY_UPSTREAM")]
        const QUERY_UPSTREAM = ffi::GST_PAD_PROBE_TYPE_QUERY_UPSTREAM as u32;
        /// probe push
        #[doc(alias = "GST_PAD_PROBE_TYPE_PUSH")]
        const PUSH = ffi::GST_PAD_PROBE_TYPE_PUSH as u32;
        /// probe pull
        #[doc(alias = "GST_PAD_PROBE_TYPE_PULL")]
        const PULL = ffi::GST_PAD_PROBE_TYPE_PULL as u32;
        /// probe and block at the next opportunity, at data flow or when idle
        #[doc(alias = "GST_PAD_PROBE_TYPE_BLOCKING")]
        const BLOCKING = ffi::GST_PAD_PROBE_TYPE_BLOCKING as u32;
        /// probe downstream data (buffers, buffer lists, and events)
        #[doc(alias = "GST_PAD_PROBE_TYPE_DATA_DOWNSTREAM")]
        const DATA_DOWNSTREAM = ffi::GST_PAD_PROBE_TYPE_DATA_DOWNSTREAM as u32;
        /// probe upstream data (events)
        #[doc(alias = "GST_PAD_PROBE_TYPE_DATA_UPSTREAM")]
        const DATA_UPSTREAM = ffi::GST_PAD_PROBE_TYPE_DATA_UPSTREAM as u32;
        /// probe upstream and downstream data (buffers, buffer lists, and events)
        #[doc(alias = "GST_PAD_PROBE_TYPE_DATA_BOTH")]
        const DATA_BOTH = ffi::GST_PAD_PROBE_TYPE_DATA_BOTH as u32;
        /// probe and block downstream data (buffers, buffer lists, and events)
        #[doc(alias = "GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM")]
        const BLOCK_DOWNSTREAM = ffi::GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM as u32;
        /// probe and block upstream data (events)
        #[doc(alias = "GST_PAD_PROBE_TYPE_BLOCK_UPSTREAM")]
        const BLOCK_UPSTREAM = ffi::GST_PAD_PROBE_TYPE_BLOCK_UPSTREAM as u32;
        /// probe upstream and downstream events
        #[doc(alias = "GST_PAD_PROBE_TYPE_EVENT_BOTH")]
        const EVENT_BOTH = ffi::GST_PAD_PROBE_TYPE_EVENT_BOTH as u32;
        /// probe upstream and downstream queries
        #[doc(alias = "GST_PAD_PROBE_TYPE_QUERY_BOTH")]
        const QUERY_BOTH = ffi::GST_PAD_PROBE_TYPE_QUERY_BOTH as u32;
        /// probe upstream events and queries and downstream buffers, buffer lists, events and queries
        #[doc(alias = "GST_PAD_PROBE_TYPE_ALL_BOTH")]
        const ALL_BOTH = ffi::GST_PAD_PROBE_TYPE_ALL_BOTH as u32;
        /// probe push and pull
        #[doc(alias = "GST_PAD_PROBE_TYPE_SCHEDULING")]
        const SCHEDULING = ffi::GST_PAD_PROBE_TYPE_SCHEDULING as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PadProbeType {
    type GlibType = ffi::GstPadProbeType;

    fn into_glib(self) -> ffi::GstPadProbeType {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPadProbeType> for PadProbeType {
    unsafe fn from_glib(value: ffi::GstPadProbeType) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PadProbeType {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_pad_probe_type_get_type()) }
    }
}

impl glib::value::ValueType for PadProbeType {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PadProbeType {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PadProbeType {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Parsing options.
    #[doc(alias = "GstParseFlags")]
    pub struct ParseFlags: u32 {
        /// Always return [`None`] when an error occurs
        ///  (default behaviour is to return partially constructed bins or elements
        ///  in some cases)
        #[doc(alias = "GST_PARSE_FLAG_FATAL_ERRORS")]
        const FATAL_ERRORS = ffi::GST_PARSE_FLAG_FATAL_ERRORS as u32;
        /// If a bin only has a single element,
        ///  just return the element.
        #[doc(alias = "GST_PARSE_FLAG_NO_SINGLE_ELEMENT_BINS")]
        const NO_SINGLE_ELEMENT_BINS = ffi::GST_PARSE_FLAG_NO_SINGLE_ELEMENT_BINS as u32;
        /// If more than one toplevel element is described
        ///  by the pipeline description string, put them in a [`Bin`][crate::Bin] instead of a
        ///  [`Pipeline`][crate::Pipeline]. (Since: 1.10)
        #[cfg(any(feature = "v1_10", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
        #[doc(alias = "GST_PARSE_FLAG_PLACE_IN_BIN")]
        const PLACE_IN_BIN = ffi::GST_PARSE_FLAG_PLACE_IN_BIN as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for ParseFlags {
    type GlibType = ffi::GstParseFlags;

    fn into_glib(self) -> ffi::GstParseFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstParseFlags> for ParseFlags {
    unsafe fn from_glib(value: ffi::GstParseFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for ParseFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_parse_flags_get_type()) }
    }
}

impl glib::value::ValueType for ParseFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for ParseFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for ParseFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Pipeline flags
    #[doc(alias = "GstPipelineFlags")]
    pub struct PipelineFlags: u32 {
        /// this pipeline works with a fixed clock
        #[doc(alias = "GST_PIPELINE_FLAG_FIXED_CLOCK")]
        const FIXED_CLOCK = ffi::GST_PIPELINE_FLAG_FIXED_CLOCK as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PipelineFlags {
    type GlibType = ffi::GstPipelineFlags;

    fn into_glib(self) -> ffi::GstPipelineFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPipelineFlags> for PipelineFlags {
    unsafe fn from_glib(value: ffi::GstPipelineFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PipelineFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_pipeline_flags_get_type()) }
    }
}

impl glib::value::ValueType for PipelineFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PipelineFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PipelineFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
bitflags! {
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
    #[doc(alias = "GstPluginAPIFlags")]
    pub struct PluginAPIFlags: u32 {
        /// Ignore enum members when generating
        ///  the plugins cache. This is useful if the members of the enum are generated
        ///  dynamically, in order not to expose incorrect documentation to the end user.
        #[doc(alias = "GST_PLUGIN_API_FLAG_IGNORE_ENUM_MEMBERS")]
        const MEMBERS = ffi::GST_PLUGIN_API_FLAG_IGNORE_ENUM_MEMBERS as u32;
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(hidden)]
impl IntoGlib for PluginAPIFlags {
    type GlibType = ffi::GstPluginAPIFlags;

    fn into_glib(self) -> ffi::GstPluginAPIFlags {
        self.bits()
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(hidden)]
impl FromGlib<ffi::GstPluginAPIFlags> for PluginAPIFlags {
    unsafe fn from_glib(value: ffi::GstPluginAPIFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
impl StaticType for PluginAPIFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_plugin_api_flags_get_type()) }
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
impl glib::value::ValueType for PluginAPIFlags {
    type Type = Self;
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
unsafe impl<'a> FromValue<'a> for PluginAPIFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
impl ToValue for PluginAPIFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Flags used in connection with [`Plugin::add_dependency()`][crate::Plugin::add_dependency()].
    #[doc(alias = "GstPluginDependencyFlags")]
    pub struct PluginDependencyFlags: u32 {
        /// recurse into subdirectories
        #[doc(alias = "GST_PLUGIN_DEPENDENCY_FLAG_RECURSE")]
        const RECURSE = ffi::GST_PLUGIN_DEPENDENCY_FLAG_RECURSE as u32;
        /// use paths
        ///  argument only if none of the environment variables is set
        #[doc(alias = "GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_DEFAULT_ONLY")]
        const PATHS_ARE_DEFAULT_ONLY = ffi::GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_DEFAULT_ONLY as u32;
        /// interpret
        ///  filename argument as filter suffix and check all matching files in
        ///  the directory
        #[doc(alias = "GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX")]
        const FILE_NAME_IS_SUFFIX = ffi::GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX as u32;
        /// interpret
        ///  filename argument as filter prefix and check all matching files in
        ///  the directory. Since: 1.8.
        #[doc(alias = "GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX")]
        const FILE_NAME_IS_PREFIX = ffi::GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX as u32;
        /// interpret
        ///  non-absolute paths as relative to the main executable directory. Since
        ///  1.14.
        #[doc(alias = "GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_RELATIVE_TO_EXE")]
        const PATHS_ARE_RELATIVE_TO_EXE = ffi::GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_RELATIVE_TO_EXE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PluginDependencyFlags {
    type GlibType = ffi::GstPluginDependencyFlags;

    fn into_glib(self) -> ffi::GstPluginDependencyFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPluginDependencyFlags> for PluginDependencyFlags {
    unsafe fn from_glib(value: ffi::GstPluginDependencyFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PluginDependencyFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_plugin_dependency_flags_get_type()) }
    }
}

impl glib::value::ValueType for PluginDependencyFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PluginDependencyFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PluginDependencyFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The plugin loading state
    #[doc(alias = "GstPluginFlags")]
    pub struct PluginFlags: u32 {
        /// Temporarily loaded plugins
        #[doc(alias = "GST_PLUGIN_FLAG_CACHED")]
        const CACHED = ffi::GST_PLUGIN_FLAG_CACHED as u32;
        /// The plugin won't be scanned (again)
        #[doc(alias = "GST_PLUGIN_FLAG_BLACKLISTED")]
        const BLACKLISTED = ffi::GST_PLUGIN_FLAG_BLACKLISTED as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for PluginFlags {
    type GlibType = ffi::GstPluginFlags;

    fn into_glib(self) -> ffi::GstPluginFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstPluginFlags> for PluginFlags {
    unsafe fn from_glib(value: ffi::GstPluginFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for PluginFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_plugin_flags_get_type()) }
    }
}

impl glib::value::ValueType for PluginFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for PluginFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for PluginFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// The different scheduling flags.
    #[doc(alias = "GstSchedulingFlags")]
    pub struct SchedulingFlags: u32 {
        /// if seeking is possible
        #[doc(alias = "GST_SCHEDULING_FLAG_SEEKABLE")]
        const SEEKABLE = ffi::GST_SCHEDULING_FLAG_SEEKABLE as u32;
        /// if sequential access is recommended
        #[doc(alias = "GST_SCHEDULING_FLAG_SEQUENTIAL")]
        const SEQUENTIAL = ffi::GST_SCHEDULING_FLAG_SEQUENTIAL as u32;
        /// if bandwidth is limited and buffering possible (since 1.2)
        #[doc(alias = "GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED")]
        const BANDWIDTH_LIMITED = ffi::GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for SchedulingFlags {
    type GlibType = ffi::GstSchedulingFlags;

    fn into_glib(self) -> ffi::GstSchedulingFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstSchedulingFlags> for SchedulingFlags {
    unsafe fn from_glib(value: ffi::GstSchedulingFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for SchedulingFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_scheduling_flags_get_type()) }
    }
}

impl glib::value::ValueType for SchedulingFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for SchedulingFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for SchedulingFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Flags to be used with [`ElementExtManual::seek()`][crate::prelude::ElementExtManual::seek()] or `gst_event_new_seek()`. All flags
    /// can be used together.
    ///
    /// A non flushing seek might take some time to perform as the currently
    /// playing data in the pipeline will not be cleared.
    ///
    /// An accurate seek might be slower for formats that don't have any indexes
    /// or timestamp markers in the stream. Specifying this flag might require a
    /// complete scan of the file in those cases.
    ///
    /// When performing a segment seek: after the playback of the segment completes,
    /// no EOS will be emitted by the element that performed the seek, but a
    /// `GST_MESSAGE_SEGMENT_DONE` message will be posted on the bus by the element.
    /// When this message is posted, it is possible to send a new seek event to
    /// continue playback. With this seek method it is possible to perform seamless
    /// looping or simple linear editing.
    ///
    /// When only changing the playback rate and not the direction, the
    /// [`INSTANT_RATE_CHANGE`][Self::INSTANT_RATE_CHANGE] flag can be used for a non-flushing seek
    /// to signal that the rate change should be applied immediately. This requires
    /// special support in the seek handlers (e.g. demuxers) and any elements
    /// synchronizing to the clock, and in general can't work in all cases (for example
    /// UDP streaming where the delivery rate is controlled by a remote server). The
    /// instant-rate-change mode supports changing the trickmode-related GST_SEEK_ flags,
    /// but can't be used in conjunction with other seek flags that affect the new
    /// playback position - as the playback position will not be changing.
    ///
    /// When doing fast forward (rate > 1.0) or fast reverse (rate < -1.0) trickmode
    /// playback, the [`TRICKMODE`][Self::TRICKMODE] flag can be used to instruct decoders
    /// and demuxers to adjust the playback rate by skipping frames. This can improve
    /// performance and decrease CPU usage because not all frames need to be decoded.
    ///
    /// Beyond that, the [`TRICKMODE_KEY_UNITS`][Self::TRICKMODE_KEY_UNITS] flag can be used to
    /// request that decoders skip all frames except key units, and
    /// [`TRICKMODE_NO_AUDIO`][Self::TRICKMODE_NO_AUDIO] flags can be used to request that audio
    /// decoders do no decoding at all, and simple output silence.
    ///
    /// The [`SNAP_BEFORE`][Self::SNAP_BEFORE] flag can be used to snap to the previous
    /// relevant location, and the [`SNAP_AFTER`][Self::SNAP_AFTER] flag can be used to
    /// select the next relevant location. If [`KEY_UNIT`][Self::KEY_UNIT] is specified,
    /// the relevant location is a keyframe. If both flags are specified, the nearest
    /// of these locations will be selected. If none are specified, the implementation is
    /// free to select whichever it wants.
    ///
    /// The before and after here are in running time, so when playing backwards,
    /// the next location refers to the one that will played in next, and not the
    /// one that is located after in the actual source stream.
    ///
    /// Also see part-seeking.txt in the GStreamer design documentation for more
    /// details on the meaning of these flags and the behaviour expected of
    /// elements that handle them.
    #[doc(alias = "GstSeekFlags")]
    pub struct SeekFlags: u32 {
        /// flush pipeline
        #[doc(alias = "GST_SEEK_FLAG_FLUSH")]
        const FLUSH = ffi::GST_SEEK_FLAG_FLUSH as u32;
        /// accurate position is requested, this might
        ///  be considerably slower for some formats.
        #[doc(alias = "GST_SEEK_FLAG_ACCURATE")]
        const ACCURATE = ffi::GST_SEEK_FLAG_ACCURATE as u32;
        /// seek to the nearest keyframe. This might be
        ///  faster but less accurate.
        #[doc(alias = "GST_SEEK_FLAG_KEY_UNIT")]
        const KEY_UNIT = ffi::GST_SEEK_FLAG_KEY_UNIT as u32;
        /// perform a segment seek.
        #[doc(alias = "GST_SEEK_FLAG_SEGMENT")]
        const SEGMENT = ffi::GST_SEEK_FLAG_SEGMENT as u32;
        /// when doing fast forward or fast reverse playback, allow
        ///  elements to skip frames instead of generating all
        ///  frames. (Since: 1.6)
        #[doc(alias = "GST_SEEK_FLAG_TRICKMODE")]
        const TRICKMODE = ffi::GST_SEEK_FLAG_TRICKMODE as u32;
        /// Deprecated backward compatibility flag, replaced
        ///  by [`TRICKMODE`][Self::TRICKMODE]
        #[doc(alias = "GST_SEEK_FLAG_SKIP")]
        const SKIP = ffi::GST_SEEK_FLAG_SKIP as u32;
        /// go to a location before the requested position,
        ///  if [`KEY_UNIT`][Self::KEY_UNIT] this means the keyframe at or before
        ///  the requested position the one at or before the seek target.
        #[doc(alias = "GST_SEEK_FLAG_SNAP_BEFORE")]
        const SNAP_BEFORE = ffi::GST_SEEK_FLAG_SNAP_BEFORE as u32;
        /// go to a location after the requested position,
        ///  if [`KEY_UNIT`][Self::KEY_UNIT] this means the keyframe at of after the
        ///  requested position.
        #[doc(alias = "GST_SEEK_FLAG_SNAP_AFTER")]
        const SNAP_AFTER = ffi::GST_SEEK_FLAG_SNAP_AFTER as u32;
        /// go to a position near the requested position,
        ///  if [`KEY_UNIT`][Self::KEY_UNIT] this means the keyframe closest
        ///  to the requested position, if both keyframes are at an equal
        ///  distance, behaves like [`SNAP_BEFORE`][Self::SNAP_BEFORE].
        #[doc(alias = "GST_SEEK_FLAG_SNAP_NEAREST")]
        const SNAP_NEAREST = ffi::GST_SEEK_FLAG_SNAP_NEAREST as u32;
        /// when doing fast forward or fast reverse
        ///  playback, request that elements only decode keyframes
        ///  and skip all other content, for formats that have
        ///  keyframes. (Since: 1.6)
        #[doc(alias = "GST_SEEK_FLAG_TRICKMODE_KEY_UNITS")]
        const TRICKMODE_KEY_UNITS = ffi::GST_SEEK_FLAG_TRICKMODE_KEY_UNITS as u32;
        /// when doing fast forward or fast reverse
        ///  playback, request that audio decoder elements skip
        ///  decoding and output only gap events or silence. (Since: 1.6)
        #[doc(alias = "GST_SEEK_FLAG_TRICKMODE_NO_AUDIO")]
        const TRICKMODE_NO_AUDIO = ffi::GST_SEEK_FLAG_TRICKMODE_NO_AUDIO as u32;
        /// When doing fast forward or fast reverse
        ///  playback, request that elements only decode keyframes and
        ///  forward predicted frames and skip all other content (for example
        ///  B-Frames), for formats that have keyframes and forward predicted
        ///  frames. (Since: 1.18)
        #[cfg(any(feature = "v1_18", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
        #[doc(alias = "GST_SEEK_FLAG_TRICKMODE_FORWARD_PREDICTED")]
        const TRICKMODE_FORWARD_PREDICTED = ffi::GST_SEEK_FLAG_TRICKMODE_FORWARD_PREDICTED as u32;
        /// Signals that a rate change should be
        ///  applied immediately. Only valid if start/stop position
        ///  are GST_CLOCK_TIME_NONE, the playback direction does not change
        ///  and the seek is not flushing. (Since: 1.18)
        #[cfg(any(feature = "v1_18", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
        #[doc(alias = "GST_SEEK_FLAG_INSTANT_RATE_CHANGE")]
        const INSTANT_RATE_CHANGE = ffi::GST_SEEK_FLAG_INSTANT_RATE_CHANGE as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for SeekFlags {
    type GlibType = ffi::GstSeekFlags;

    fn into_glib(self) -> ffi::GstSeekFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstSeekFlags> for SeekFlags {
    unsafe fn from_glib(value: ffi::GstSeekFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for SeekFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_seek_flags_get_type()) }
    }
}

impl glib::value::ValueType for SeekFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for SeekFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for SeekFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    /// Flags for the GstSegment structure. Currently mapped to the corresponding
    /// values of the seek flags.
    #[cfg_attr(feature = "ser_de", derive(serde::Serialize, serde::Deserialize))]
    #[doc(alias = "GstSegmentFlags")]
    pub struct SegmentFlags: u32 {
        /// reset the pipeline running_time to the segment
        ///  running_time
        #[doc(alias = "GST_SEGMENT_FLAG_RESET")]
        const RESET = ffi::GST_SEGMENT_FLAG_RESET as u32;
        /// perform skip playback (Since: 1.6)
        #[doc(alias = "GST_SEGMENT_FLAG_TRICKMODE")]
        const TRICKMODE = ffi::GST_SEGMENT_FLAG_TRICKMODE as u32;
        /// Deprecated backward compatibility flag, replaced
        ///  by [`TRICKMODE`][Self::TRICKMODE]
        #[doc(alias = "GST_SEGMENT_FLAG_SKIP")]
        const SKIP = ffi::GST_SEGMENT_FLAG_SKIP as u32;
        /// send SEGMENT_DONE instead of EOS
        #[doc(alias = "GST_SEGMENT_FLAG_SEGMENT")]
        const SEGMENT = ffi::GST_SEGMENT_FLAG_SEGMENT as u32;
        /// Decode only keyframes, where
        ///  possible (Since: 1.6)
        #[doc(alias = "GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS")]
        const TRICKMODE_KEY_UNITS = ffi::GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS as u32;
        /// Decode only keyframes or forward
        ///  predicted frames, where possible (Since: 1.18)
        #[cfg(any(feature = "v1_18", feature = "dox"))]
        #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
        #[doc(alias = "GST_SEGMENT_FLAG_TRICKMODE_FORWARD_PREDICTED")]
        const TRICKMODE_FORWARD_PREDICTED = ffi::GST_SEGMENT_FLAG_TRICKMODE_FORWARD_PREDICTED as u32;
        /// Do not decode any audio, where
        ///  possible (Since: 1.6)
        #[doc(alias = "GST_SEGMENT_FLAG_TRICKMODE_NO_AUDIO")]
        const TRICKMODE_NO_AUDIO = ffi::GST_SEGMENT_FLAG_TRICKMODE_NO_AUDIO as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for SegmentFlags {
    type GlibType = ffi::GstSegmentFlags;

    fn into_glib(self) -> ffi::GstSegmentFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstSegmentFlags> for SegmentFlags {
    unsafe fn from_glib(value: ffi::GstSegmentFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for SegmentFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_segment_flags_get_type()) }
    }
}

impl glib::value::ValueType for SegmentFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for SegmentFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for SegmentFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
bitflags! {
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
    #[doc(alias = "GstSerializeFlags")]
    pub struct SerializeFlags: u32 {
        /// No special flags specified.
        #[doc(alias = "GST_SERIALIZE_FLAG_NONE")]
        const NONE = ffi::GST_SERIALIZE_FLAG_NONE as u32;
        /// Serialize using the old format for
        ///  nested structures.
        #[doc(alias = "GST_SERIALIZE_FLAG_BACKWARD_COMPAT")]
        const BACKWARD_COMPAT = ffi::GST_SERIALIZE_FLAG_BACKWARD_COMPAT as u32;
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
#[doc(hidden)]
impl IntoGlib for SerializeFlags {
    type GlibType = ffi::GstSerializeFlags;

    fn into_glib(self) -> ffi::GstSerializeFlags {
        self.bits()
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
#[doc(hidden)]
impl FromGlib<ffi::GstSerializeFlags> for SerializeFlags {
    unsafe fn from_glib(value: ffi::GstSerializeFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl StaticType for SerializeFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_serialize_flags_get_type()) }
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl glib::value::ValueType for SerializeFlags {
    type Type = Self;
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
unsafe impl<'a> FromValue<'a> for SerializeFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
impl ToValue for SerializeFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
bitflags! {
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
    #[doc(alias = "GstStackTraceFlags")]
    pub struct StackTraceFlags: u32 {
        /// Try to retrieve as much information as possible,
        ///  including source information when getting the
        ///  stack trace
        #[doc(alias = "GST_STACK_TRACE_SHOW_FULL")]
        const FULL = ffi::GST_STACK_TRACE_SHOW_FULL as u32;
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
#[doc(hidden)]
impl IntoGlib for StackTraceFlags {
    type GlibType = ffi::GstStackTraceFlags;

    fn into_glib(self) -> ffi::GstStackTraceFlags {
        self.bits()
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
#[doc(hidden)]
impl FromGlib<ffi::GstStackTraceFlags> for StackTraceFlags {
    unsafe fn from_glib(value: ffi::GstStackTraceFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
impl StaticType for StackTraceFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_stack_trace_flags_get_type()) }
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
impl glib::value::ValueType for StackTraceFlags {
    type Type = Self;
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
unsafe impl<'a> FromValue<'a> for StackTraceFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

#[cfg(any(feature = "v1_12", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
impl ToValue for StackTraceFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

bitflags! {
    #[doc(alias = "GstStreamFlags")]
    pub struct StreamFlags: u32 {
        /// This stream is a sparse stream (e.g. a subtitle
        ///  stream), data may flow only in irregular intervals with large gaps in
        ///  between.
        #[doc(alias = "GST_STREAM_FLAG_SPARSE")]
        const SPARSE = ffi::GST_STREAM_FLAG_SPARSE as u32;
        /// This stream should be selected by default. This
        ///  flag may be used by demuxers to signal that a stream should be selected
        ///  by default in a playback scenario.
        #[doc(alias = "GST_STREAM_FLAG_SELECT")]
        const SELECT = ffi::GST_STREAM_FLAG_SELECT as u32;
        /// This stream should not be selected by default.
        ///  This flag may be used by demuxers to signal that a stream should not
        ///  be selected by default in a playback scenario, but only if explicitly
        ///  selected by the user (e.g. an audio track for the hard of hearing or
        ///  a director's commentary track).
        #[doc(alias = "GST_STREAM_FLAG_UNSELECT")]
        const UNSELECT = ffi::GST_STREAM_FLAG_UNSELECT as u32;
    }
}

#[doc(hidden)]
impl IntoGlib for StreamFlags {
    type GlibType = ffi::GstStreamFlags;

    fn into_glib(self) -> ffi::GstStreamFlags {
        self.bits()
    }
}

#[doc(hidden)]
impl FromGlib<ffi::GstStreamFlags> for StreamFlags {
    unsafe fn from_glib(value: ffi::GstStreamFlags) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

impl StaticType for StreamFlags {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_stream_flags_get_type()) }
    }
}

impl glib::value::ValueType for StreamFlags {
    type Type = Self;
}

unsafe impl<'a> FromValue<'a> for StreamFlags {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

impl ToValue for StreamFlags {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
bitflags! {
    /// [`StreamType`][crate::StreamType] describes a high level classification set for
    /// flows of data in [`Stream`][crate::Stream] objects.
    ///
    /// Note that this is a flag, and therefore users should not assume it
    /// will be a single value. Do not use the equality operator for checking
    /// whether a stream is of a certain type.
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
    #[doc(alias = "GstStreamType")]
    pub struct StreamType: u32 {
        /// The stream is of unknown (unclassified) type.
        #[doc(alias = "GST_STREAM_TYPE_UNKNOWN")]
        const UNKNOWN = ffi::GST_STREAM_TYPE_UNKNOWN as u32;
        /// The stream is of audio data
        #[doc(alias = "GST_STREAM_TYPE_AUDIO")]
        const AUDIO = ffi::GST_STREAM_TYPE_AUDIO as u32;
        /// The stream carries video data
        #[doc(alias = "GST_STREAM_TYPE_VIDEO")]
        const VIDEO = ffi::GST_STREAM_TYPE_VIDEO as u32;
        /// The stream is a muxed container type
        #[doc(alias = "GST_STREAM_TYPE_CONTAINER")]
        const CONTAINER = ffi::GST_STREAM_TYPE_CONTAINER as u32;
        /// The stream contains subtitle / subpicture data.
        #[doc(alias = "GST_STREAM_TYPE_TEXT")]
        const TEXT = ffi::GST_STREAM_TYPE_TEXT as u32;
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
impl StreamType {
    pub fn name<'a>(self) -> &'a str {
        unsafe {
            CStr::from_ptr(
                ffi::gst_stream_type_get_name(self.into_glib())
                    .as_ref()
                    .expect("gst_stream_type_get_name returned NULL"),
            )
            .to_str()
            .expect("gst_stream_type_get_name returned an invalid string")
        }
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
impl fmt::Display for StreamType {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str(&self.name())
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
#[doc(hidden)]
impl IntoGlib for StreamType {
    type GlibType = ffi::GstStreamType;

    fn into_glib(self) -> ffi::GstStreamType {
        self.bits()
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
#[doc(hidden)]
impl FromGlib<ffi::GstStreamType> for StreamType {
    unsafe fn from_glib(value: ffi::GstStreamType) -> Self {
        skip_assert_initialized!();
        Self::from_bits_truncate(value)
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
impl StaticType for StreamType {
    fn static_type() -> Type {
        unsafe { from_glib(ffi::gst_stream_type_get_type()) }
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
impl glib::value::ValueType for StreamType {
    type Type = Self;
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
unsafe impl<'a> FromValue<'a> for StreamType {
    type Checker = glib::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a glib::Value) -> Self {
        skip_assert_initialized!();
        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
    }
}

#[cfg(any(feature = "v1_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
impl ToValue for StreamType {
    fn to_value(&self) -> glib::Value {
        let mut value = glib::Value::for_value_type::<Self>();
        unsafe {
            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
        }
        value
    }

    fn value_type(&self) -> glib::Type {
        Self::static_type()
    }
}