summaryrefslogtreecommitdiffstats
path: root/vala/libpulse.vapi
blob: 9e05b144fe4ab59bf8f0c82b7a64c1048e3d7719 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
/***
  This file is part of PulseAudio.

  Copyright 2009 Lennart Poettering

  PulseAudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published
  by the Free Software Foundation; either version 2.1 of the License,
  or (at your option) any later version.

  PulseAudio is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with PulseAudio; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

using GLib;
using Posix;

[CCode (cheader_filename="pulse/pulseaudio.h")]
namespace PulseAudio {

        [CCode (cname="pa_get_library_version")]
        public unowned string get_library_version();

        [CCode (cname="PA_API_VERSION")]
        public const int API_VERSION;

        [CCode (cname="PA_PROTOCOL_VERSION")]
        public const int PROTOCOL_VERSION;

        [CCode (cname="PA_MAJOR")]
        public const int MAJOR;

        [CCode (cname="PA_MINOR")]
        public const int MINOR;

        [CCode (cname="PA_MICRO")]
        public const int MICRO;

        [CCode (cname="PA_CHECK_VERSION")]
        public bool CHECK_VERSION(int major, int minor, int micro);

        [CCode (cname="INVALID_INDEX")]
        public const uint32 INVALID_INDEX;

        [CCode (cname="pa_free_cb_t")]
        public delegate void FreeCb(void *p);

        [CCode (cname="pa_sample_format_t", cprefix="PA_SAMPLE_")]
        public enum SampleFormat {
                U8,
                ALAW,
                ULAW,
                S16LE,
                S16BE,
                FLOAT32LE,
                FLOAT32BE,
                S32LE,
                S32BE,
                S24LE,
                S24BE,
                S24_32LE,
                S24_32BE,
                MAX,
                S16NE,
                S16RE,
                FLOAT32NE,
                FLOAT32RE,
                S32NE,
                S32RE,
                S24NE,
                S24RE,
                S24_32NE,
                S24_32RE;

                [CCode (cname="pa_sample_size_of_format")]
                public size_t size();

                [CCode (cname="pa_sample_format_to_string")]
                public unowned string? to_string();

                [CCode (cname="pa_sample_format_is_le")]
                public int is_le();

                [CCode (cname="pa_sample_format_is_be")]
                public int is_be();

                [CCode (cname="pa_sample_format_is_ne")]
                public int is_ne();

                [CCode (cname="pa_sample_format_is_re")]
                public int is_re();

                [CCode (cname="pa_parse_sample_format")]
                public static SampleFormat parse(string b);
        }

        [CCode (cname="pa_usec_t")]
        public struct usec : uint64 {
        }

        [CCode (cname="pa_sample_spec")]
        public struct SampleSpec {
                public SampleFormat format;
                public uint32 rate;
                public uint8 channels;

                [CCode (cname="PA_SAMPLE_SPEC_SNPRINT_MAX")]
                public static const size_t SNPRINT_MAX;

                [CCode (cname="pa_bytes_per_second")]
                public size_t bytes_per_second();

                [CCode (cname="pa_frame_size")]
                public size_t frame_size();

                [CCode (cname="pa_sample_size")]
                public size_t sample_size();

                [CCode (cname="pa_bytes_to_usec", instance_pos=1.1)]
                public usec bytes_to_usec(size_t size);

                [CCode (cname="pa_usec_to_bytes", instance_pos=1.1)]
                public size_t usec_to_bytes(usec u);

                [CCode (cname="pa_sample_spec_init")]
                public unowned SampleSpec? init();

                [CCode (cname="pa_sample_spec_valid")]
                public bool valid();

                [CCode (cname="pa_sample_spec_equal")]
                public bool equal(SampleSpec other);

                [CCode (cname="pa_sample_spec_snprint", instance_pos=3.1)]
                public unowned string snprint(char[] buf);

                public string sprint() {
                        var buffer = new char[SNPRINT_MAX];
                        this.snprint(buffer);
                        return (string) buffer;
                }

                public string to_string() {
                        return sprint();
                }

                [CCode (cname="pa_sample_spec_init")]
                public SampleSpec();
        }

        // [CCode (cname="PA_BYTES_SNPRINT_MAX")]
        [CCode (cname="PA_SAMPLE_SPEC_SNPRINT_MAX")]
        public const size_t BYTES_SNPRINT_MAX;

        [CCode (cname="pa_bytes_snprint")]
        public unowned string bytes_snprint(char[] buf, uint bytes);

        public string bytes_sprint(uint bytes) {
                var buffer = new char[BYTES_SNPRINT_MAX];
                bytes_snprint(buffer, bytes);
                return (string) buffer;
        }

        [CCode (cname="pa_volume_t")]
        public struct Volume : uint32 {

                [CCode (cname="PA_SW_VOLUME_SNPRINT_DB_MAX")]
                public static const size_t SW_SNPRINT_DB_MAX;

                [CCode (cname="PA_VOLUME_SNPRINT_MAX")]
                public static const size_t SNPRINT_MAX;

                [CCode (cname="PA_VOLUME_MAX")]
                public static const Volume MAX;

                [CCode (cname="PA_VOLUME_NORM")]
                public static const Volume NORM;

                [CCode (cname="PA_VOLUME_MUTED")]
                public static const Volume MUTED;

                // [CCode (cname="PA_VOLUME_INVALID")]
                [CCode (cname="PA_VOLUME_MAX")]
                public static const Volume INVALID;

                [CCode (cname="pa_volume_snprint", instance_pos = 3.1)]
                public unowned string snprint(char[] s);

                public string sprint() {
                        var buffer = new char[SNPRINT_MAX];
                        this.snprint(buffer);
                        return (string) buffer;
                }

                public string to_string() {
                        return sprint();
                }

                [CCode (cname="pa_sw_volume_snprint_dB", instance_pos = 3.1)]
                public unowned string sw_snprint_dB(char[] s);

                public string sw_sprint_dB() {
                        var buffer = new char[SW_SNPRINT_DB_MAX];
                        this.sw_snprint_dB(buffer);
                        return (string) buffer;
                }

                [CCode (cname="pa_sw_volume_multiply")]
                public Volume sw_multiply(Volume other);

                [CCode (cname="pa_sw_volume_divide")]
                public Volume sw_divide(Volume other);

                [CCode (cname="pa_sw_volume_from_dB")]
                public static Volume sw_from_dB(double f);

                [CCode (cname="pa_sw_volume_to_dB")]
                public double sw_to_dB();

                [CCode (cname="pa_sw_volume_from_linear")]
                public static Volume sw_from_linear(double f);

                [CCode (cname="pa_sw_volume_to_linear")]
                public double sw_to_linear();
        }

        [CCode (cname="PA_DECIBEL_MININFTY")]
        public const double DECIBEL_MININFTY;

        [CCode (cname="PA_CHANNELS_MAX")]
        public const int CHANNELS_MAX;

        [CCode (cname="PA_CHANNELS_MAX")]
        public const int RATE_MAX;

        [CCode (cname="pa_cvolume")]
        public struct CVolume {
                public uint8 channels;
                public Volume values[];

                [CCode (cname="PA_SW_CVOLUME_SNPRINT_DB_MAX")]
                public static const size_t SW_SNPRINT_DB_MAX;

                [CCode (cname="PA_CVOLUME_SNPRINT_MAX")]
                public static const size_t SNPRINT_MAX;

                [CCode (cname="pa_cvolume_equal")]
                public bool equal(CVolume other);

                [CCode (cname="pa_cvolume_init")]
                public unowned CVolume? init();

                [CCode (cname="pa_cvolume_reset")]
                public unowned CVolume? reset(uint8 channels);

                [CCode (cname="pa_cvolume_mute")]
                public unowned CVolume? mute(uint8 channels);

                [CCode (cname="pa_cvolume_snprint", instance_pos = 3.1)]
                public unowned string snprint(char[] s);

                public string sprint() {
                        var buffer = new char[SNPRINT_MAX];
                        this.snprint(buffer);
                        return (string) buffer;
                }

                public string to_string() {
                        return sprint();
                }

                [CCode (cname="pa_sw_cvolume_snprint_dB", instance_pos = 3.1)]
                public unowned string sw_snprint_dB(char [] s);

                public string sw_sprint_dB() {
                        var buffer = new char[SW_SNPRINT_DB_MAX];
                        this.sw_snprint_dB(buffer);
                        return (string) buffer;
                }

                [CCode (cname="pa_cvolume_init")]
                public CVolume();

                [CCode (cname="pa_cvolume_avg")]
                public Volume avg();

                [CCode (cname="pa_cvolume_max")]
                public Volume max();

                [CCode (cname="pa_cvolume_min")]
                public Volume min();

                [CCode (cname="pa_cvolume_avg_mask")]
                public Volume avg_mask(ChannelMap map, ChannelPositionMask mask);

                [CCode (cname="pa_cvolume_max_mask")]
                public Volume max_mask(ChannelMap map, ChannelPositionMask mask);

                [CCode (cname="pa_cvolume_min_mask")]
                public Volume min_mask(ChannelMap map, ChannelPositionMask mask);

                [CCode (cname="pa_cvolume_valid")]
                public bool valid();

                [CCode (cname="pa_cvolume_channels_equal_to")]
                public bool channels_equal_to(Volume other);

                [CCode (cname="pa_cvolume_is_muted")]
                public bool is_muted();

                [CCode (cname="pa_cvolume_is_norm")]
                public bool is_norm();

                [CCode (cname="pa_sw_cvolume_multiply")]
                public unowned CVolume? multiply(CVolume other);

                [CCode (cname="pa_sw_cvolume_divide")]
                public unowned CVolume? divide(CVolume other);

                [CCode (cname="pa_sw_cvolume_multiply_scalar")]
                public unowned CVolume? multiply_scalar(Volume other);

                [CCode (cname="pa_sw_cvolume_divide_scalar")]
                public unowned CVolume? divide_scalar(Volume other);

                [CCode (cname="pa_cvolume_remap")]
                public unowned CVolume? remap(ChannelMap from, ChannelMap to);

                [CCode (cname="pa_cvolume_compatible")]
                public bool compatible(SampleSpec ss);

                [CCode (cname="pa_cvolume_compatible_with_channel_map")]
                public bool compatible_with_channel_map(ChannelMap cm);

                [CCode (cname="pa_cvolume_get_balance")]
                public float get_balance(ChannelMap map);

                [CCode (cname="pa_cvolume_set_balance")]
                public unowned CVolume? set_balance(ChannelMap map, float b);

                [CCode (cname="pa_cvolume_get_fade")]
                public float get_fade(ChannelMap map);

                [CCode (cname="pa_cvolume_set_fade")]
                public unowned CVolume? set_fade(ChannelMap map, float f);

                [CCode (cname="pa_cvolume_scale")]
                public unowned CVolume? scale(Volume max);

                [CCode (cname="pa_cvolume_scale_mask")]
                public unowned CVolume? scale_mask(Volume max, ChannelMap map, ChannelPositionMask mask);

                [CCode (cname="pa_cvolume_set_position")]
                public unowned CVolume? set_position(ChannelMap map, ChannelPosition p, Volume v);

                [CCode (cname="pa_cvolume_get_position")]
                public Volume get_position(ChannelMap map, ChannelPosition p);

                [CCode (cname="pa_cvolume_merge")]
                public unowned CVolume? merge(CVolume other);

                [CCode (cname="pa_cvolume_inc")]
                public unowned CVolume? inc(Volume plus = 1);

                [CCode (cname="pa_cvolume_dec")]
                public unowned CVolume? dec(Volume minus = 1);
        }

        [CCode (cname="pa_channel_map")]
        public struct ChannelMap {
                public uint8 channels;
                public ChannelPosition map[];

                [CCode (cname="PA_CHANNEL_MAP_SNPRINT_MAX")]
                public static const size_t SNPRINT_MAX;

                [CCode (cname="pa_channel_map_init")]
                public ChannelMap();

                [CCode (cname="pa_channel_map_init")]
                public unowned ChannelMap? init();

                [CCode (cname="pa_channel_map_init_mono")]
                public unowned ChannelMap? init_mono();

                [CCode (cname="pa_channel_map_init_stereo")]
                public unowned ChannelMap? init_stereo();

                [CCode (cname="pa_channel_map_init_auto")]
                public unowned ChannelMap? init_auto(uint8 channels, ChannelMapDef def = ChannelMapDef.DEFAULT);

                [CCode (cname="pa_channel_map_init_extend")]
                public unowned ChannelMap? init_extend(uint8 channels, ChannelMapDef def = ChannelMapDef.DEFAULT);

                [CCode (cname="pa_channel_map_snprint", instance_pos = 3.1)]
                public unowned string snprint(char[] s);

                public string sprint() {
                        var buffer = new char[SNPRINT_MAX];
                        this.snprint(buffer);
                        return (string) buffer;
                }

                public string to_string() {
                        return sprint();
                }

                [CCode (cname="pa_channel_map_parse")]
                public unowned ChannelMap? parse(string s);

                [CCode (cname="pa_channel_map_equal")]
                public bool equal(ChannelMap other);

                [CCode (cname="pa_channel_map_superset")]
                public bool superset(ChannelMap other);

                [CCode (cname="pa_channel_map_valid")]
                public bool valid();

                [CCode (cname="pa_channel_map_compatible")]
                public bool compatible(SampleSpec ss);

                [CCode (cname="pa_channel_map_can_balance")]
                public bool can_balance();

                [CCode (cname="pa_channel_map_can_fade")]
                public bool can_fade();

                [CCode (cname="pa_channel_map_to_name")]
                public unowned string? to_name();

                [CCode (cname="pa_channel_map_to_pretty_name")]
                public unowned string? to_pretty_name();

                [CCode (cname="pa_channel_map_has_position")]
                public bool has_position(ChannelPosition p);

                [CCode (cname="pa_channel_map_mask")]
                public ChannelPositionMask mask();
        }

        [CCode (cname="pa_channel_position_mask_t")]
        public struct ChannelPositionMask : uint64 {
        }

        [CCode (cname="pa_channel_position_t", cprefix="PA_CHANNEL_POSITION_")]
        public enum ChannelPosition {
                INVALID,
                MONO,
                FRONT_LEFT,
                FRONT_RIGHT,
                FRONT_CENTER,
                REAR_CENTER,
                REAR_LEFT,
                REAR_RIGHT,
                LFE,
                FRONT_LEFT_OF_CENTER,
                FRONT_RIGHT_OF_CENTER,
                SIDE_LEFT,
                SIDE_RIGHT,
                TOP_CENTER,
                AUX0,
                AUX1,
                AUX2,
                AUX3,
                AUX4,
                AUX5,
                AUX6,
                AUX7,
                AUX8,
                AUX9,
                AUX10,
                AUX11,
                AUX12,
                AUX13,
                AUX14,
                AUX15,
                AUX16,
                AUX17,
                AUX18,
                AUX19,
                AUX20,
                AUX21,
                AUX22,
                AUX23,
                AUX24,
                AUX25,
                AUX26,
                AUX27,
                AUX28,
                AUX29,
                AUX30,
                AUX31,
                MAX;

                [CCode (cname="PA_CHANNEL_POSITION_MASK")]
                public ChannelPositionMask mask();

                [CCode (cname="pa_channel_position_to_string")]
                public unowned string? to_string();

                [CCode (cname="pa_channel_position_to_pretty_string")]
                public unowned string? to_pretty_string();

                [CCode (cname="pa_channel_position_from_string")]
                public static ChannelPosition from_string(string s);
        }

        [CCode (cname="pa_channel_map_def_t", cprefix="PA_CHANNEL_MAP_")]
        public enum ChannelMapDef {
                AIFF,
                WAVEEX,
                AUX,
                DEFAULT,

                [CCode (cname="PA_CHANNEL_MAP_DEF_MAX")]
                MAX
        }

        [Compact]
        [CCode (cname="pa_proplist", cprefix="pa_proplist_", free_function="pa_proplist_free")]
        public class Proplist {

                [CCode (cname="PA_PROP_MEDIA_NAME")]
                public static const string PROP_MEDIA_NAME;
                [CCode (cname="PA_PROP_MEDIA_TITLE")]
                public static const string PROP_MEDIA_TITLE;
                [CCode (cname="PA_PROP_MEDIA_ARTIST")]
                public static const string PROP_MEDIA_ARTIST;
                [CCode (cname="PA_PROP_MEDIA_COPYRIGHT")]
                public static const string PROP_MEDIA_COPYRIGHT;
                [CCode (cname="PA_PROP_MEDIA_SOFTWARE")]
                public static const string PROP_MEDIA_SOFTWARE;
                [CCode (cname="PA_PROP_MEDIA_LANGUAGE")]
                public static const string PROP_MEDIA_LANGUAGE;
                [CCode (cname="PA_PROP_MEDIA_FILENAME")]
                public static const string PROP_MEDIA_FILENAME;
                [CCode (cname="PA_PROP_MEDIA_ICON_NAME")]
                public static const string PROP_MEDIA_ICON_NAME;
                [CCode (cname="PA_PROP_MEDIA_ROLE")]
                public static const string PROP_MEDIA_ROLE;
                [CCode (cname="PA_PROP_EVENT_ID")]
                public static const string PROP_EVENT_ID;
                [CCode (cname="PA_PROP_EVENT_DESCRIPTION")]
                public static const string PROP_EVENT_DESCRIPTION;
                [CCode (cname="PA_PROP_EVENT_MOUSE_X")]
                public static const string PROP_EVENT_MOUSE_X;
                [CCode (cname="PA_PROP_EVENT_MOUSE_Y")]
                public static const string PROP_EVENT_MOUSE_Y;
                [CCode (cname="PA_PROP_EVENT_MOUSE_HPOS")]
                public static const string PROP_EVENT_MOUSE_HPOS;
                [CCode (cname="PA_PROP_EVENT_MOUSE_VPOS")]
                public static const string PROP_EVENT_MOUSE_VPOS;
                [CCode (cname="PA_PROP_EVENT_MOUSE_BUTTON")]
                public static const string PROP_EVENT_MOUSE_BUTTON;
                [CCode (cname="PA_PROP_WINDOW_NAME")]
                public static const string PROP_WINDOW_NAME;
                [CCode (cname="PA_PROP_WINDOW_ID")]
                public static const string PROP_WINDOW_ID;
                [CCode (cname="PA_PROP_WINDOW_ICON_NAME")]
                public static const string PROP_WINDOW_ICON_NAME;
                [CCode (cname="PA_PROP_WINDOW_X11_DISPLAY")]
                public static const string PROP_WINDOW_X11_DISPLAY;
                [CCode (cname="PA_PROP_WINDOW_X11_SCREEN")]
                public static const string PROP_WINDOW_X11_SCREEN;
                [CCode (cname="PA_PROP_WINDOW_X11_MONITOR")]
                public static const string PROP_WINDOW_X11_MONITOR;
                [CCode (cname="PA_PROP_WINDOW_X11_XID")]
                public static const string PROP_WINDOW_X11_XID;
                [CCode (cname="PA_PROP_APPLICATION_NAME")]
                public static const string PROP_APPLICATION_NAME;
                [CCode (cname="PA_PROP_APPLICATION_ID")]
                public static const string PROP_APPLICATION_ID;
                [CCode (cname="PA_PROP_APPLICATION_VERSION")]
                public static const string PROP_APPLICATION_VERSION;
                [CCode (cname="PA_PROP_APPLICATION_ICON_NAME")]
                public static const string PROP_APPLICATION_ICON_NAME;
                [CCode (cname="PA_PROP_APPLICATION_LANGUAGE")]
                public static const string PROP_APPLICATION_LANGUAGE;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_ID")]
                public static const string PROP_APPLICATION_PROCESS_ID;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_BINARY")]
                public static const string PROP_APPLICATION_PROCESS_BINARY;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_USER")]
                public static const string PROP_APPLICATION_PROCESS_USER;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_HOST")]
                public static const string PROP_APPLICATION_PROCESS_HOST;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_MACHINE_ID")]
                public static const string PROP_APPLICATION_PROCESS_MACHINE_ID;
                [CCode (cname="PA_PROP_APPLICATION_PROCESS_SESSION_ID")]
                public static const string PROP_APPLICATION_PROCESS_SESSION_ID;
                [CCode (cname="PA_PROP_DEVICE_STRING")]
                public static const string PROP_DEVICE_STRING;
                [CCode (cname="PA_PROP_DEVICE_API")]
                public static const string PROP_DEVICE_API;
                [CCode (cname="PA_PROP_DEVICE_DESCRIPTION")]
                public static const string PROP_DEVICE_DESCRIPTION;
                [CCode (cname="PA_PROP_DEVICE_BUS_PATH")]
                public static const string PROP_DEVICE_BUS_PATH;
                [CCode (cname="PA_PROP_DEVICE_SERIAL")]
                public static const string PROP_DEVICE_SERIAL;
                [CCode (cname="PA_PROP_DEVICE_VENDOR_ID")]
                public static const string PROP_DEVICE_VENDOR_ID;
                [CCode (cname="PA_PROP_DEVICE_VENDOR_NAME")]
                public static const string PROP_DEVICE_VENDOR_NAME;
                [CCode (cname="PA_PROP_DEVICE_PRODUCT_ID")]
                public static const string PROP_DEVICE_PRODUCT_ID;
                [CCode (cname="PA_PROP_DEVICE_PRODUCT_NAME")]
                public static const string PROP_DEVICE_PRODUCT_NAME;
                [CCode (cname="PA_PROP_DEVICE_CLASS")]
                public static const string PROP_DEVICE_CLASS;
                [CCode (cname="PA_PROP_DEVICE_FORM_FACTOR")]
                public static const string PROP_DEVICE_FORM_FACTOR;
                [CCode (cname="PA_PROP_DEVICE_BUS")]
                public static const string PROP_DEVICE_BUS;
                [CCode (cname="PA_PROP_DEVICE_ICON_NAME")]
                public static const string PROP_DEVICE_ICON_NAME;
                [CCode (cname="PA_PROP_DEVICE_ACCESS_MODE")]
                public static const string PROP_DEVICE_ACCESS_MODE;
                [CCode (cname="PA_PROP_DEVICE_MASTER_DEVICE")]
                public static const string PROP_DEVICE_MASTER_DEVICE;
                [CCode (cname="PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE")]
                public static const string PROP_DEVICE_BUFFERING_BUFFER_SIZE;
                [CCode (cname="PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE")]
                public static const string PROP_DEVICE_BUFFERING_FRAGMENT_SIZE;
                [CCode (cname="PA_PROP_DEVICE_PROFILE_NAME")]
                public static const string PROP_DEVICE_PROFILE_NAME;
                [CCode (cname="PA_PROP_DEVICE_INTENDED_ROLES")]
                public static const string PROP_DEVICE_INTENDED_ROLES;
                [CCode (cname="PA_PROP_DEVICE_PROFILE_DESCRIPTION")]
                public static const string PROP_DEVICE_PROFILE_DESCRIPTION;
                [CCode (cname="PA_PROP_MODULE_AUTHOR")]
                public static const string PROP_MODULE_AUTHOR;
                [CCode (cname="PA_PROP_MODULE_DESCRIPTION")]
                public static const string PROP_MODULE_DESCRIPTION;
                [CCode (cname="PA_PROP_MODULE_USAGE")]
                public static const string PROP_MODULE_USAGE;
                [CCode (cname="PA_PROP_MODULE_VERSION")]
                public static const string PROP_MODULE_VERSION;

                [CCode (cname="pa_proplist_new")]
                public Proplist();

                public int sets(string key, string value);
                public int setp(string pair);

                [PrintfFormat]
                public int setf(string key, string format, ...);

                public int set(string key, void* data, size_t size);

                public unowned string? gets(string key);

                public int get(string key, out void* data, out size_t size);

                public void update(UpdateMode mode, Proplist other);

                public void unset(string key);

                [CCode (array_length = false)]
                public void unset_many(string[] key);

                public unowned string? iterate(ref void* state);

                public string to_string();

                public string to_string_sep(string sep);

                public static Proplist? from_string(string s);

                public int contains(string key);

                public void clear();

                public Proplist copy();

                public uint size();

                public bool is_empty();
        }

        [CCode (cname="pa_update_mode_t", cprefix="PA_UPDATE_")]
        public enum UpdateMode {
                SET,
                MERGE,
                REPLACE
        }

        [CCode (cname="PA_OK")]
        public const int OK;

        [CCode (cname="int", cprefix="PA_ERR_")]
        public enum Error {
                ACCESS,
                COMMAND,
                INVALID,
                EXIST,
                NOENTITY,
                CONNECTIONREFUSED,
                PROTOCOL,
                TIMEOUT,
                AUTHKEY,
                INTERNAL,
                CONNECTIONTERMINATED,
                KILLED,
                INVALIDSERVER,
                MODINITFAILED,
                BADSTATE,
                NODATA,
                VERSION,
                TOOLARGE,
                NOTSUPPORTED,
                UNKNOWN,
                NOEXTENSION,
                OBSOLETE,
                NOTIMPLEMENTED,
                FORKED,
                IO,
                MAX
        }

        [CCode (cname="pa_strerror")]
        public unowned string? strerror(Error e);

        public delegate void VoidFunc();

        [CCode (cname="pa_spawn_api")]
        public struct SpawnApi {
                VoidFunc? prefork;
                VoidFunc? postfork;
                VoidFunc? atfork;
        }

        [CCode (cname="pa_io_event_flags_t", cprefix="PA_IO_EVENT_")]
        public enum IoEventFlags {
                NULL,
                INPUT,
                OUTPUT,
                HANGUP,
                ERROR
        }

        [Compact]
        [CCode (cname="pa_io_event", unref_function="", ref_function="")]
        public struct IoEvent {
        }

        [Compact]
        [CCode (cname="pa_time_event", unref_function="", ref_function="")]
        public struct TimeEvent {
        }

        [Compact]
        [CCode (cname="pa_defer_event", unref_function="", ref_function="")]
        public struct DeferEvent {
        }

        [Compact]
        [CCode (cname="pa_signal_event", cprefix="pa_signal_", free_function="pa_signal_free")]
        public struct SignalEvent {

                [CCode (cname="pa_signal_new")]
                public SignalEvent(int sig, MainLoopApi.SignalEventCb cb);

                public void set_destroy(MainLoopApi.SignalEventDestroyCb cb);
        }

        [Compact]
        [CCode (cname="pa_mainloop_api", unref_function="", ref_function="")]
        public class MainLoopApi {
                public void* userdata;

                /* Callbacks for the consumer to implement*/
                public delegate void IoEventCb(MainLoopApi a, IoEvent e, int fd, IoEventFlags flags);
                public delegate void IoEventDestroyCb(MainLoopApi a, IoEvent e);

                public delegate void TimeEventCb(MainLoopApi a, TimeEvent e, ref timeval t);
                public delegate void TimeEventDestroyCb(MainLoopApi a, TimeEvent e);

                public delegate void DeferEventCb(MainLoopApi a, DeferEvent e);
                public delegate void DeferEventDestroyCb(MainLoopApi a, DeferEvent e);

                public delegate void SignalEventCb(MainLoopApi a, SignalEvent e);
                public delegate void SignalEventDestroyCb(MainLoopApi a, SignalEvent e);

                /* Callbacks for the provider to implement */
                public delegate IoEvent IoNewCb(MainLoopApi a, int fd, IoEventFlags flags, IoEventCb cb);
                public delegate void IoEnableCb(MainLoopApi a, IoEvent e, IoEventFlags flags);
                public delegate void IoFreeCb(MainLoopApi a, IoEvent e);
                public delegate void IoSetDestroyCb(MainLoopApi a, IoEvent e, IoEventDestroyCb? cb);

                public delegate TimeEvent TimeNewCb(MainLoopApi a, timeval? t, TimeEventCb cb);
                public delegate void TimeRestartCb(MainLoopApi a, TimeEvent e, timeval? t);
                public delegate void TimeFreeCb(MainLoopApi a, TimeEvent e);
                public delegate void TimeSetDestroyCb(MainLoopApi a, TimeEvent e, TimeEventDestroyCb? cb);

                public delegate DeferEvent DeferNewCb(MainLoopApi a, DeferEventCb cb);
                public delegate void DeferEnableCb(MainLoopApi a, DeferEvent e, bool b);
                public delegate void DeferFreeCb(MainLoopApi a, DeferEvent e);
                public delegate void DeferSetDestroyCb(MainLoopApi a, DeferEvent e, DeferEventDestroyCb? cb);

                public delegate void QuitCb(MainLoopApi a, int retval);

                public delegate void OnceCb(MainLoopApi a);

                public IoNewCb io_new;
                public IoEnableCb io_enable;
                public IoFreeCb io_free;
                public IoSetDestroyCb io_set_destroy;

                public TimeNewCb time_new;
                public TimeRestartCb time_restart;
                public TimeFreeCb time_free;
                public TimeSetDestroyCb time_set_destroy;

                public DeferNewCb defer_new;
                public DeferEnableCb defer_enable;
                public DeferFreeCb defer_free;
                public DeferSetDestroyCb defer_set_destroy;

                public QuitCb quit;

                [CCode (cname="pa_mainloop_api_once")]
                public void once(OnceCb cb);
        }

        [CCode (cname="pa_signal_init")]
        public void signal_init(MainLoopApi api);

        [CCode (cname="pa_signal_done")]
        public void signal_done();

        [CCode (cname="pa_poll_func")]
        public delegate int PollFunc(pollfd[] ufds, int timeout);

        [Compact]
        [CCode (cname="pa_mainloop", cprefix="pa_mainloop_", free_function="pa_mainloop_free")]
        public class MainLoop {

                [CCode (cname="pa_mainloop_new")]
                public MainLoop();

                public int prepare(int timeout = -1);
                public int poll();
                public int dispatch();
                public int get_retval();
                public int iterate(bool block = true, out int retval = null);
                public int run(out int retval = null);
                public unowned MainLoopApi get_api();
                public void quit(int r);
                public void wakeup();
                public void set_poll_func(PollFunc poll_func);
        }

        [Compact]
        [CCode (cname="pa_threaded_mainloop", cprefix="pa_threaded_mainloop_", free_function="pa_threaded_mainloop_free")]
        public class ThreadedMainLoop {

                [CCode (cname="pa_threaded_mainloop_new")]
                public ThreadedMainLoop();

                public int start();
                public void stop();
                public void lock();
                public void unlock();
                public void wait();
                public void signal(bool WaitForAccept = false);
                public void accept();
                public int get_retval();
                public unowned MainLoopApi get_api();
                public bool in_thread();
        }

        [Compact]
        [CCode (cname="pa_glib_mainloop", cprefix="pa_glib_mainloop_", free_function="pa_glib_mainloop_free")]
        public class GLibMainLoop {

                [CCode (cname="pa_glib_mainloop_new")]
                public GLibMainLoop();

                public unowned MainLoopApi get_api();
        }

        [Compact]
        [CCode (cname="pa_operation", cprefix="pa_operation_", unref_function="pa_operation_unref", ref_function="pa_operation_ref")]
        public class Operation {

                [CCode (cname="pa_operation_state_t", cprefix="PA_OPERATION_")]
                public enum State {
                        RUNNING,
                        DONE,
                        CANCELED
                }

                public void cancel();
                public State get_state();
        }

        [Compact]
        [CCode (cname="pa_context", cprefix="pa_context_", unref_function="pa_context_unref", ref_function="pa_context_ref")]
        public class Context {

                [CCode (cname="pa_context_flags_t", cprefix="PA_CONTEXT_")]
                public enum Flags {
                        NOAUTOSPAWN,
                        NOFAIL
                }

                [CCode (cname="pa_context_state_t", cprefix="PA_CONTEXT_")]
                public enum State {
                        UNCONNECTED,
                        CONNECTING,
                        AUTHORIZING,
                        SETTING_NAME,
                        READY,
                        FAILED,
                        TERMINATED;

                        [CCode (cname="PA_CONTEXT_IS_GOOD")]
                        public bool IS_GOOD();
                }

                [CCode (cname="pa_subscription_mask_t", cprefix="PA_SUBSCRIPTION_MASK_")]
                public enum SubscriptionMask {
                        NULL,
                        SINK,
                        SOURCE,
                        SINK_INPUT,
                        SOURCE_OUTPUT,
                        MODULE,
                        CLIENT,
                        SAMPLE_CACHE,
                        SERVER,
                        CARD,
                        ALL;

                        [CCode (cname="pa_subscription_match_flags")]
                        public bool match_flags(SubscriptionEventType t);
                }

                [CCode (cname="pa_subscription_event_type_t", cprefix="PA_SUBSCRIPTION_EVENT_")]
                public enum SubscriptionEventType {
                        SINK,
                        SOURCE,
                        SINK_INPUT,
                        SOURCE_OUTPUT,
                        MODULE,
                        CLIENT,
                        SAMPLE_CACHE,
                        SERVER,
                        CARD,
                        FACILITY_MASK,
                        NEW,
                        CHANGE,
                        REMOVE,
                        TYPE_MASK
                }

                public delegate void NotifyCb(Context c);
                public delegate void SuccessCb(Context c, int success);
                public delegate void EventCb(Context c, string name, Proplist? proplist);
                public delegate void SubscribeCb(Context c, SubscriptionEventType t, uint32 idx);
                public delegate void SinkInfoCb(Context c, SinkInfo? i, int eol);
                public delegate void SourceInfoCb(Context c, SourceInfo? i, int eol);
                public delegate void CardInfoCb(Context c, CardInfo? i, int eol);
                public delegate void SinkInputInfoCb(Context c, SinkInputInfo? i, int eol);
                public delegate void SourceOutputInfoCb(Context c, SourceOutputInfo? i, int eol);
                public delegate void ServerInfoCb(Context c, ServerInfo? i);
                public delegate void StatInfoCb(Context c, ServerInfo? i);
                public delegate void ModuleInfoCb(Context c, ModuleInfo? i, int eol);
                public delegate void ClientInfoCb(Context c, ClientInfo? i, int eol);
                public delegate void SampleInfoCb(Context c, SampleInfo? i, int eol);
                public delegate void IndexCb(Context c, uint32 idx);

                [CCode (cname="pa_context_new_with_proplist")]
                public Context(MainLoopApi api, string? name, Proplist? proplist = null);

                public void set_state_callback(NotifyCb? cb = null);
                public void set_event_callback(EventCb? cb = null);
                public void set_subscribe_callback(SubscribeCb? cb = null);

                public Error errno();

                public int is_pending();
                public State get_state();
                public int is_local();
                public unowned string? get_server();
                public uint32 get_protocol_version();
                public uint32 get_server_protocol_version();
                public uint32 get_index();

                public int connect(string? server = null, Flags flags = 0, SpawnApi? api = null);
                public void disconnect();

                public Operation? drain(NotifyCb? cb = null);
                public Operation? exit_daemon(SuccessCb? cb = null);
                public Operation? set_default_sink(string name, SuccessCb? cb = null);
                public Operation? set_default_source(string name, SuccessCb? cb = null);
                public Operation? set_name(string name, SuccessCb? cb = null);

                [CCode (array_length = false)]
                public Operation? proplist_remove(string[] keys, SuccessCb? cb = null);
                public Operation? proplist_update(UpdateMode mode, Proplist pl, SuccessCb? cb = null);

                public Operation? subscribe(SubscriptionMask mask, SuccessCb? cb = null);

                public Operation? get_sink_info_by_name(string name, SinkInfoCb cb);
                public Operation? get_sink_info_by_index(uint32 idx, SinkInfoCb cb);
                public Operation? get_sink_info_list(SinkInfoCb cb);

                public Operation? set_sink_volume_by_name(string name, CVolume volume, SuccessCb? cb = null);
                public Operation? set_sink_volume_by_index(uint32 idx, CVolume volume, SuccessCb? cb = null);
                public Operation? set_sink_mute_by_name(string name, bool mute, SuccessCb? cb = null);
                public Operation? set_sink_mute_by_index(uint32 idx, bool mute, SuccessCb? cb = null);

                public Operation? suspend_sink_by_name(string name, bool suspend, SuccessCb? cb = null);
                public Operation? suspend_sink_by_index(uint32 idx, bool suspend, SuccessCb? cb = null);

                public Operation? set_sink_port_by_name(string name, string port, SuccessCb? cb = null);
                public Operation? set_sink_port_by_index(string idx, string port, SuccessCb? cb = null);

                public Operation? get_source_info_by_name(string name, SourceInfoCb cb);
                public Operation? get_source_info_by_index(uint32 idx, SourceInfoCb cb);
                public Operation? get_source_info_list(SourceInfoCb cb);

                public Operation? set_source_volume_by_name(string name, CVolume volume, SuccessCb? cb = null);
                public Operation? set_source_volume_by_index(uint32 idx, CVolume volume, SuccessCb? cb = null);
                public Operation? set_source_mute_by_name(string name, bool mute, SuccessCb? cb = null);
                public Operation? set_source_mute_by_index(uint32 idx, bool mute, SuccessCb? cb = null);

                public Operation? suspend_source_by_name(string name, bool suspend, SuccessCb? cb = null);
                public Operation? suspend_source_by_index(uint32 idx, bool suspend, SuccessCb? cb = null);

                public Operation? set_source_port_by_name(string name, string port, SuccessCb? cb = null);
                public Operation? set_source_port_by_index(string idx, string port, SuccessCb? cb = null);

                public Operation? get_server_info(ServerInfoCb cb);

                public Operation? get_module_info(uint32 idx, ModuleInfoCb cb);
                public Operation? get_module_info_list(ModuleInfoCb cb);

                public Operation? load_module(string name, string? argument, IndexCb? cb = null);
                public Operation? unload_module(uint32 idx, SuccessCb? cb = null);

                public Operation? get_client_info(uint32 idx, ClientInfoCb cb);
                public Operation? get_client_info_list(ClientInfoCb cb);

                public Operation? kill_client(uint32 idx, SuccessCb? cb = null);

                public Operation? get_card_info_by_name(string name, CardInfoCb cb);
                public Operation? get_card_info_by_index(uint32 idx, CardInfoCb cb);
                public Operation? get_card_info_list(CardInfoCb cb);

                public Operation? set_card_profile_by_index(uint32 idx, string profile, SuccessCb? cb = null);
                public Operation? set_card_profile_by_name(string name, string profile, SuccessCb? cb = null);

                public Operation? get_sink_input_info(uint32 idx, SinkInputInfoCb cb);
                public Operation? get_sink_input_info_list(SinkInputInfoCb cb);

                public Operation? move_sink_input_by_index(uint32 idx, uint32 sink_idx, SuccessCb? cb = null);
                public Operation? move_sink_input_by_name(uint32 idx, string sink_name, SuccessCb? cb = null);

                public Operation? set_sink_input_volume(uint32 idx, CVolume volume, SuccessCb? cb = null);
                public Operation? set_sink_input_mute(uint32 idx, bool mute, SuccessCb? cb = null);

                public Operation? kill_sink_input(uint32 idx, SuccessCb? cb = null);

                public Operation? get_source_output_info(uint32 idx, SourceOutputInfoCb cb);
                public Operation? get_source_output_info_list(SourceOutputInfoCb cb);

                public Operation? move_source_output_by_index(uint32 idx, uint32 source_idx, SuccessCb? cb = null);
                public Operation? move_source_output_by_name(uint32 idx, string source_name, SuccessCb? cb = null);

                public Operation? kill_source_output(uint32 idx, SuccessCb? cb = null);

                public Operation? stat(StatInfoCb cb);

                public Operation? get_sample_info_by_name(string name, SampleInfoCb cb);
                public Operation? get_sample_info_by_index(uint32 idx, SampleInfoCb cb);
                public Operation? get_sample_info_list(SampleInfoCb cb);

                public Operation? remove_sample(string name, SuccessCb? cb = null);

                public Operation? play_sample(string name, string? device = null, Volume volume = Volume.INVALID, SuccessCb? cb = null);
                public Operation? play_sample_with_proplist(string name, string? device = null, Volume volume = Volume.INVALID, Proplist? p = null, IndexCb? cb = null);
        }

        [Compact]
        [CCode (cname="pa_stream", cprefix="pa_stream_", unref_function="pa_stream_unref", ref_function="pa_stream_ref")]
        public class Stream {

                [CCode (cname="pa_stream_flags_t", cprefix="PA_STREAM_")]
                public enum Flags {
                        START_CORKED,
                        INTERPOLATE_TIMING,
                        NOT_MONOTONIC,
                        AUTO_TIMING_UPDATE,
                        NO_REMAP_CHANNELS,
                        NO_REMIX_CHANNELS,
                        FIX_FORMAT,
                        FIX_RATE,
                        FIX_CHANNELS,
                        DONT_MOVE,
                        VARIABLE_RATE,
                        PEAK_DETECT,
                        START_MUTED,
                        ADJUST_LATENCY,
                        EARLY_REQUESTS,
                        DONT_INHIBIT_AUTO_SUSPEND,
                        START_UNMUTED,
                        FAIL_ON_SUSPEND
                }

                [CCode (cname="pa_stream_state_t", cprefix="PA_STREAM_")]
                public enum State {
                        UNCONNECTED,
                        CREATING,
                        READY,
                        FAILED,
                        TERMINATED;

                        [CCode (cname="PA_STREAM_IS_GOOD")]
                        public bool IS_GOOD();
                }

                [CCode (cname="pa_stream_direction_t", cprefix="PA_STREAM_")]
                public enum Direction {
                        NODIRECTION,
                        PLAYBACK,
                        RECORD,
                        UPLOAD
                }

                [CCode (cname="pa_seek_mode_t", cprefix="PA_SEEK_")]
                public enum SeekMode {
                        RELATIVE,
                        ABSOLUTE,
                        RELATIVE_ON_READ,
                        RELATIVE_END
                }

                [CCode (cname="pa_buffer_attr")]
                public struct BufferAttr {
                        uint32 maxlength;
                        uint32 tlength;
                        uint32 prebuf;
                        uint32 minreq;
                        uint32 fragsize;
                }

                [CCode (cname="pa_timing_info")]
                public struct TimingInfo {
                        timeval timestamp;
                        int synchronized_clocks;
                        usec sink_usec;
                        usec source_usec;
                        usec transport_usec;
                        int playing;
                        int write_index_corrupt;
                        int64 write_index;
                        int read_index_corrupt;
                        int64 read_index;
                        usec configured_sink_usec;
                        usec configured_source_usec;
                        int64 since_underrun;
                }

                [CCode (cname="PA_STREAM_EVENT_REQUEST_CORK")]
                public const string EVENT_REQUEST_CORK;

                [CCode (cname="PA_STREAM_EVENT_REQUEST_UNCORK")]
                public const string EVENT_REQUEST_UNCORK;

                public delegate void SuccessCb(Stream s, int success);
                public delegate void RequestCb(Stream s, size_t nbytes);
                public delegate void NotifyCb(Stream s);
                public delegate void EventCb(Stream s, string name, Proplist proplist);

                [CCode (cname="pa_stream_new_with_proplist")]
                public Stream(Context c, string name, SampleSpec ss, ChannelMap? map = null, Proplist? proplist = null);

                public State get_state();
                public Context get_context();
                public uint32 get_index();
                public uint32 get_device_index();
                public unowned string? get_device_name();
                public int is_suspended();
                public int is_corked();

                public int connect_playback(string dev, BufferAttr? a = null, Flags flags = 0, CVolume? volume = null, Stream? sync_stream = null);
                public int connect_record(string dev, BufferAttr? a = null, Flags flags = 0);
                public int connect_upload(size_t length);
                public int disconnect();
                public int finish_upload();

                public int begin_write(out void* data, out size_t nbytes);
                public int cancel_write();
                public int write(void *data, size_t bytes, FreeCb? free_cb = null, int64 offset = 0, SeekMode mode = SeekMode.RELATIVE);
                public int peek(out void *data, out size_t nbytes);
                public int drop();
                public size_t writable_size();
                public size_t readable_size();

                public void set_state_callback(NotifyCb? cb = null);
                public void set_write_callback(RequestCb? cb = null);
                public void set_read_callback(RequestCb? cb = null);
                public void set_overflow_callback(NotifyCb? cb = null);
                public void set_underflow_callback(NotifyCb? cb = null);
                public void set_started_callback(NotifyCb? cb = null);
                public void set_latency_update_callback(NotifyCb? cb = null);
                public void set_moved_callback(NotifyCb? cb = null);
                public void set_suspended_callback(NotifyCb? cb = null);
                public void set_event_callback(EventCb? cb = null);
                public void set_buffer_attr_callback(NotifyCb? cb = null);

                public Operation? drain(SuccessCb? cb = null);
                public Operation? update_timing_info(SuccessCb? cb = null);

                public Operation? cork(bool b, SuccessCb? cb = null);
                public Operation? flush(SuccessCb? cb = null);
                public Operation? prebuf(SuccessCb? cb = null);
                public Operation? trigger(SuccessCb? cb = null);

                public Operation? set_name(string name, SuccessCb? cb = null);
                public Operation? set_buffer_attr(BufferAttr attr, SuccessCb? cb = null);
                public Operation? update_sample_rate(uint32 rate, SuccessCb? cb = null);

                [CCode (array_length = false)]
                public Operation? proplist_remove(string[] keys, SuccessCb? cb = null);
                public Operation? proplist_update(UpdateMode mode, Proplist pl, SuccessCb? cb = null);

                public unowned TimingInfo? get_timing_info();
                public int get_time(out usec u);
                public int get_latency(out usec u, out bool negative = null);

                public unowned SampleSpec? get_sample_spec();
                public unowned ChannelMap? get_channel_map();
                public unowned BufferAttr? get_buffer_attr();

                public int set_monitor_stream(uint32 sink_input);
                public uint32 get_monitor_stream();
        }

        [CCode (cname="pa_sink_port_info")]
        public struct SinkPortInfo {
                public string name;
                public string description;
                public uint32 priority;
        }

        [CCode (cname="pa_sink_info")]
        public struct SinkInfo {
                public string name;
                public uint32 index;
                public string description;
                public SampleSpec sample_spec;
                public ChannelMap channel_map;
                public uint32 owner_module;
                public CVolume volume;
                public int mute;
                public uint32 monitor_source;
                public string monitor_source_name;
                public usec latency;
                public string driver;
                public SinkFlags flags;
                public Proplist proplist;
                public usec configured_latency;
                public Volume base_volume;
                public SinkState state;
                public uint32 n_volume_steps;
                public uint32 card;
                public uint32 n_ports;
                public SinkPortInfo*[] ports;
                public SinkPortInfo* active_port;
        }

        [CCode (cname="pa_source_port_info")]
        public struct SourcePortInfo {
                public string name;
                public string description;
                public uint32 priority;
        }

        [CCode (cname="pa_source_info")]
        public struct SourceInfo {
                public string name;
                public uint32 index;
                public string description;
                public SampleSpec sample_spec;
                public ChannelMap channel_map;
                public uint32 owner_module;
                public CVolume volume;
                public int mute;
                public uint32 monitor_of_sink;
                public string monitor_of_sink_name;
                public usec latency;
                public string driver;
                public SourceFlags flags;
                public Proplist proplist;
                public usec configured_latency;
                public Volume base_volume;
                public SourceState state;
                public uint32 n_volume_steps;
                public uint32 card;
                public uint32 n_ports;
                public SourcePortInfo*[] ports;
                public SourcePortInfo* active_port;
        }

        [CCode (cname="pa_server_info")]
        public struct ServerInfo {
                public string user_name;
                public string host_name;
                public string server_version;
                public string server_name;
                public SampleSpec sample_spec;
                public string default_sink_name;
                public string default_source_name;
                public ChannelMap channel_map;
        }

        [CCode (cname="pa_module_info")]
        public struct ModuleInfo {
                public uint32 index;
                public string name;
                public string argument;
                public uint32 n_used;
                public Proplist proplist;
        }

        [CCode (cname="pa_client_info")]
        public struct ClientInfo {
                public uint32 index;
                public string name;
                public uint32 owner_module;
                public string driver;
                public Proplist proplist;
        }

        [CCode (cname="pa_card_profile_info")]
        public struct CardProfileInfo {
                public string name;
                public string description;
                public uint32 n_sinks;
                public uint32 n_sources;
                public uint32 priority;
        }

        [CCode (cname="pa_card_info")]
        public struct CardInfo {
                public uint32 index;
                public string name;
                public uint32 owner_module;
                public string driver;
                public uint32 n_profiles;
                public CardProfileInfo profiles[];
                public CardProfileInfo *active_profile;
                public Proplist proplist;
        }

        [CCode (cname="pa_sink_input_info")]
        public struct SinkInputInfo {
                public uint32 index;
                public string name;
                public uint32 owner_module;
                public uint32 client;
                public uint32 sink;
                public SampleSpec sample_spec;
                public ChannelMap channel_map;
                public CVolume volume;
                public uint32 buffer_usec;
                public uint32 sink_usec;
                public string resample_method;
                public string driver;
                public int mute;
                public Proplist proplist;
        }

        [CCode (cname="pa_source_output_info")]
        public struct SourceOutputInfo {
                public uint32 index;
                public string name;
                public uint32 owner_module;
                public uint32 client;
                public uint32 source;
                public SampleSpec sample_spec;
                public ChannelMap channel_map;
                public uint32 buffer_usec;
                public uint32 sink_usec;
                public string resample_method;
                public string driver;
                public Proplist proplist;
        }

        [CCode (cname="pa_stat_info")]
        public struct StatInfo {
                public uint32 memblock_total;
                public uint32 memblock_total_size;
                public uint32 memblock_allocated;
                public uint32 memblock_allocated_size;
                public uint32 scache_size;
        }

        [CCode (cname="pa_sample_info")]
        public struct SampleInfo {
                public uint32 index;
                public string name;
                public CVolume volume;
                public SampleSpec sample_spec;
                public ChannelMap channel_map;
                public usec duration;
                public uint32 bytes;
                public bool lazy;
                public string filename;
                public Proplist proplist;
        }

        [CCode (cname="pa_sink_flags_t", cprefix="PA_SINK_")]
        public enum SinkFlags {
                HW_VOLUME_CTRL,
                LATENCY,
                HARDWARE,
                NETWORK,
                HW_MUTE_CTRL,
                DECIBEL_VOLUME,
                FLAT_VOLUME,
                DYNAMIC_LATENCY
        }

        [CCode (cname="pa_source_flags_t", cprefix="PA_SOURCE_")]
        public enum SourceFlags {
                HW_VOLUME_CTRL,
                LATENCY,
                HARDWARE,
                NETWORK,
                HW_MUTE_CTRL,
                DECIBEL_VOLUME,
                DYNAMIC_LATENCY
        }

        [CCode (cname="pa_sink_state_t", cprefix="PA_SINK_")]
        public enum SinkState {
                INVALID_STATE,
                RUNNING,
                IDLE,
                SUSPENDED;

                [CCode (cname="PA_SINK_IS_OPENED")]
                public bool IS_OPENED();
        }

        [CCode (cname="pa_source_state_t", cprefix="PA_SOURCE_")]
        public enum SourceState {
                INVALID_STATE,
                RUNNING,
                IDLE,
                SUSPENDED;

                [CCode (cname="PA_SOURCE_IS_OPENED")]
                public bool IS_OPENED();
        }

        [CCode (cname="pa_gettimeofday")]
        public unowned timeval gettimeofday(out timeval tv);

        [CCode (cname="pa_timeval_diff")]
        public usec timeval_diff(ref timeval a, ref timeval b);

        [CCode (cname="pa_timeval_cmp")]
        public int timeval_cmp(ref timeval a, ref timeval b);

        [CCode (cname="pa_timeval_age")]
        public usec timeval_age(ref timeval a);

        [CCode (cname="pa_timeval_add")]
        public unowned timeval timeval_add(ref timeval tv, usec x);

        [CCode (cname="pa_timeval_sub")]
        public unowned timeval timeval_sub(ref timeval tv, usec x);

        [CCode (cname="pa_timeval_store")]
        public unowned timeval timeval_store(out timeval tv, usec c);

        [CCode (cname="pa_timeval_load")]
        public usec timeval_load(timeval tv);

        [CCode (cname="PA_USEC_MAX")]
        public const usec USEC_MAX;

        [CCode (cname="PA_USEC_INVALID")]
        public const usec USEC_INVALID;

        [CCode (cname="PA_MSEC_PER_SEC")]
        public const usec MSEC_PER_SEC;

        [CCode (cname="PA_USEC_PER_SEC")]
        public const usec USEC_PER_SEC;

        [CCode (cname="PA_NSEC_PER_SEC")]
        public const uint64 NSEC_PER_SEC;


        [CCode (cname="PA_USEC_PER_MSEC")]
        public const usec USEC_PER_MSEC;

        [CCode (cname="PA_NSEC_PER_MSEC")]
        public const uint64 NSEC_PER_MSEC;


        [CCode (cname="PA_NSEC_PER_USEC")]
        public const uint64 NSEC_PER_USEC;
}