summaryrefslogtreecommitdiff
path: root/gnu/packages/video.scm
blob: b6466417669017de442026ebda5a3f64b2245dca (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2014, 2015, 2016 David Thompson <davet@gnu.org>
;;; Copyright © 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2015, 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2015 Andy Patterson <ajpatter@uwaterloo.ca>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015, 2016 Alex Vong <alexvong1995@gmail.com>
;;; Copyright © 2016, 2017 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
;;; Copyright © 2016 Dmitry Nikolaev <cameltheman@gmail.com>
;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
;;; Copyright © 2016, 2017 ng0 <contact.ng0@cryptolab.net>
;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2017 Feng Shu <tumashu@163.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix 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 General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages video)
  #:use-module (ice-9 match)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix utils)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix svn-download)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system glib-or-gtk)
  #:use-module (guix build-system python)
  #:use-module (guix build-system waf)
  #:use-module (gnu packages)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages audio)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages avahi)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages cdrom)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages dejagnu)
  #:use-module (gnu packages elf)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages freedesktop)
  #:use-module (gnu packages fribidi)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages gnupg)
  #:use-module (gnu packages gstreamer)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages image)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages lua)
  #:use-module (gnu packages m4)
  #:use-module (gnu packages man)
  #:use-module (gnu packages mp3)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages ocr)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages popt)
  #:use-module (gnu packages pulseaudio)
  #:use-module (gnu packages python)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages sdl)
  #:use-module (gnu packages ssh)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages textutils)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages version-control)
  #:use-module (gnu packages web)
  #:use-module (gnu packages webkit)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages assembly)
  #:use-module (gnu packages zip))

(define-public aalib
  (package
    (name "aalib")
    (version "1.4rc5")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/aa-project/aa-lib/"
                                  version "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "1vkh19gb76agvh4h87ysbrgy82hrw88lnsvhynjf4vng629dmpgv"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("makeinfo" ,texinfo)))
    (inputs
     `(("ncurses" ,ncurses)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (replace 'configure
                  (lambda* (#:key build inputs outputs #:allow-other-keys)
                    ;; This old `configure' script doesn't support
                    ;; variables passed as arguments.
                    (let ((out     (assoc-ref outputs "out"))
                          (ncurses (assoc-ref inputs "ncurses")))
                      (setenv "CONFIG_SHELL" (which "bash"))
                      (zero? (system* "./configure"
                                      (string-append "--prefix=" out)
                                      (string-append "--build=" build)
                                      ;; The ancient config.guess is unable to
                                      ;; guess the host triplet on mips64el.
                                      ,@(if (string=? "mips64el-linux"
                                                      (%current-system))
                                            '("--host=mips64el-unknown-linux-gnu")
                                            '())
                                      ;; The same is also true with aarch64.
                                      ,@(if (string=? "aarch64-linux"
                                                      (%current-system))
                                            '("--host=aarch64-unknown-linux-gnu")
                                            '())
                                      (string-append "--with-ncurses="
                                                     ncurses)))))))))
    (home-page "http://aa-project.sourceforge.net/aalib/")
    (synopsis "ASCII-art library")
    (description
     "AA-lib is a low level gfx library which does not require graphics device.
In fact, there is no graphical output possible.  AA-lib replaces those
old-fashioned output methods with powerful ascii-art renderer.")
    (license license:lgpl2.0+)))

(define-public liba52
  (package
    (name "liba52")
    (version "0.7.4")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    ;; A mirror://sourceforge URI doesn't work, presumably
                    ;; because the SourceForge project is misconfigured.
                    "http://liba52.sourceforge.net/files/a52dec-" version
                    ".tar.gz"))
              (sha256
               (base32
                "0czccp4fcpf2ykp16xcrzdfmnircz1ynhls334q374xknd5747d2"))
              (patches (search-patches "liba52-enable-pic.patch"
                                       "liba52-set-soname.patch"
                                       "liba52-use-mtune-not-mcpu.patch"
                                       "liba52-link-with-libm.patch"))))
    (build-system gnu-build-system)
    ;; XXX We need to run ./bootstrap because of the build system fixes above.
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("libtool" ,libtool)))
    (arguments `(#:configure-flags '("--enable-shared")
                 #:phases
                 (modify-phases %standard-phases
                   ;; XXX We need to run ./bootstrap because of the build
                   ;; system fixes above.
                   (add-after
                    'unpack 'bootstrap
                    (lambda _ (zero? (system* "sh" "bootstrap")))))))
    (home-page "http://liba52.sourceforge.net/")
    (synopsis "ATSC A/52 stream decoder")
    (description "liba52 is a library for decoding ATSC A/52 streams.  The
A/52 standard is used in a variety of applications, including digital
television and DVD.  It is also known as AC-3.")
    (license license:gpl2+)))

(define-public libmpeg2
  (package
    (name "libmpeg2")
    (version "0.5.1")
    (source (origin
              (method url-fetch)
              ;; A mirror://sourceforge URI doesn't work, presumably
              ;; because the SourceForge project is misconfigured.
              (uri (string-append "http://libmpeg2.sourceforge.net/files/"
                                  name "-" version ".tar.gz"))
              (sha256
               (base32
                "1m3i322n2fwgrvbs1yck7g5md1dbg22bhq5xdqmjpz5m7j4jxqny"))))
    (inputs
     `(("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxv" ,libxv)
       ("libsm" ,libsm)
       ("libice" ,libice)
       ("sdl" ,sdl)))
    (build-system gnu-build-system)
    (home-page "http://libmpeg2.sourceforge.net/")
    (synopsis "MPEG1 and MPEG2 video decoder library")
    (description
     "libmpeg2 is a library which can decode MPEG1 and MPEG2 video streams.")
    (license license:gpl2+)))

(define-public libx264
  (package
    (name "libx264")
    (version "20170316-2245")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://download.videolan.org/pub/x264/snapshots/"
                                  "x264-snapshot-" version ".tar.bz2"))
              (sha256
               (base32
                "1s1nnvl3axz38sv4g09skijl6k9mbbngbb1nsh26w4dr2w2gyzad"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("yasm" ,yasm)))
    ;; TODO: Add gpac input
    (arguments
     `(#:tests? #f  ;no check target
       #:configure-flags '("--enable-shared"
                           ;; Don't build the command-line program.  If we
                           ;; want it later, we should do so in a different
                           ;; package to avoid a circular dependency (the x264
                           ;; program depends on ffmpeg and ffmpeg depends on
                           ;; libx264).
                           "--disable-cli"

                           ;; On MIPS, we must pass "--disable-asm" or else
                           ;; configure fails after printing: "You specified a
                           ;; pre-MSA CPU in your CFLAGS. If you really want
                           ;; to run on such a CPU, configure with
                           ;; --disable-asm."
                           ,@(if (string-prefix? "mips"
                                                 (or (%current-target-system)
                                                     (%current-system)))
                                 '("--disable-asm")
                                 '()))))
    (home-page "https://www.videolan.org/developers/x264.html")
    (synopsis "H.264 video coding library")
    (description "libx264 is an advanced encoding library for creating
H.264 (MPEG-4 AVC) video streams.")
    (license (list license:gpl2+         ;most files
                   license:isc           ;common/x86/x86inc.asm
                   license:lgpl2.1+      ;extras/getopt.c
                   license:bsd-3         ;extras/inttypes.h
                   (license:non-copyleft ;extras/cl*.h
                    "file://extras/cl.h"
                    "See extras/cl.h in the distribution.")))))

(define-public x265
  (package
    (name "x265")
    (version "2.3")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "https://download.videolan.org/videolan/x265/"
                            "x265_" version ".tar.gz"))
        (sha256
         (base32
          "07z4ydxg0lk6j43h0wlh2xddb91cy4y4mny2ln71d4278b1hllj7"))
        (modules '((guix build utils)))
        (snippet
         '(delete-file-recursively "source/compat/getopt"))))
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f ; tests are skipped if cpu-optimized code isn't built
       ;; Currently the source code doesn't check for aarch64
       ,@(if (string-prefix? "aarch64" (or (%current-target-system) (%current-system)))
           '(#:configure-flags '("-DENABLE_PIC=TRUE"))
           '())
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'prepare-build
           (lambda _
             (delete-file-recursively "build")
             (chdir "source")
             #t)))))
    (home-page "http://x265.org/")
    (synopsis "Library for encoding h.265/HEVC video streams")
    (description "x265 is a H.265 / HEVC video encoder application library,
designed to encode video or images into an H.265 / HEVC encoded bitstream.")
    (license license:gpl2+)))

(define-public libass
  (package
    (name "libass")
    (version "0.13.6")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/libass/libass/releases/download/"
                    version "/libass-" version ".tar.xz"))
              (sha256
               (base32
                "0b9cj5xfsa7zwlk5m146fhv102v51iqs3rapq0n2xrz30k8p9a7q"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("yasm" ,yasm)))
    (propagated-inputs
     `(("freetype" ,freetype)
       ("fribidi" ,fribidi)
       ("fontconfig" ,fontconfig)
       ("harfbuzz" ,harfbuzz)
       ("enca" ,enca)))
    (home-page "https://github.com/libass/libass")
    (synopsis "Subtitle rendering library for the ASS/SSA format")
    (description "libass is a subtitle rendering library for the
ASS/SSA (Advanced Substation Alpha/SubStation Alpha) subtitle format.")
    (license license:isc)))

(define-public libcaca
  (package
    (name "libcaca")
    (version "0.99.beta19")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://caca.zoy.org/files/libcaca/libcaca-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1x3j6yfyxl52adgnabycr0n38j9hx2j74la0hz0n8cnh9ry4d2qj"))))
    (build-system gnu-build-system)
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs
     `(("freeglut" ,freeglut)
       ("ftgl" ,ftgl)
       ("imlib2" ,imlib2)
       ("libx11" ,libx11)
       ("mesa" ,mesa)
       ("ncurses" ,ncurses)
       ("zlib" ,zlib)))
    (home-page "http://caca.zoy.org/wiki/libcaca")
    (synopsis "Colour ASCII-art library")
    (description "libcaca is a graphics library that outputs text instead of
pixels, so that it can work on older video cards or text terminals.  It
supports Unicode, 2048 colors, dithering of color images, and advanced text
canvas operations.")
    (license (license:fsf-free "file://COPYING")))) ;WTFPL version 2

(define-public libdca
  (package
    (name "libdca")
    (version "0.0.5")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://download.videolan.org/pub/videolan/libdca/"
                    version "/libdca-" version ".tar.bz2"))
              (sha256
               (base32
                "0hh6a7l8vvccsd5i1fkv9av2gzv9fy8m0b8jpsn5p6hh4bh2586v"))))
    (build-system gnu-build-system)
    (home-page "http://www.videolan.org/developers/libdca.html")
    (synopsis "DTS Coherent Acoustics decoder")
    (description "libdca is a library for decoding DTS Coherent Acoustics
streams.")
    (license license:gpl2+)))

(define-public libdv
  (package
    (name "libdv")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "mirror://sourceforge/" name "/" name "/"
                    version "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "1fl96f2xh2slkv1i1ix7kqk576a0ak1d33cylm0mbhm96d0761d3"))))
    (build-system gnu-build-system)
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("libxv" ,libxv)))
    (home-page "http://libdv.sourceforge.net/")
    (synopsis "DV video (IEC 61834 and SMPTE 314M) codec")
    (description "The Quasar DV codec (libdv) is a software codec for DV
video, the encoding format used by most digital camcorders, typically those
that support the IEEE 1394 (a.k.a. FireWire or i.Link) interface.  Libdv was
developed according to the official standards for DV video: IEC 61834 and
SMPTE 314M.")
    (license license:lgpl2.1+)))

(define-public libva
  (package
    (name "libva")
    (version "1.7.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "https://www.freedesktop.org/software/vaapi/releases/libva/libva-"
             version".tar.bz2"))
       (sha256
        (base32 "1ndrf136rlw03xag7j1xpmf9015d1h0dpnv6v587jnh6k2a17g12"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("libdrm" ,libdrm)
       ("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxfixes" ,libxfixes)
       ("mesa" ,mesa)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-before
          'build 'fix-dlopen-paths
          (lambda* (#:key outputs #:allow-other-keys)
            (let ((out (assoc-ref outputs "out")))
              (substitute* "va/drm/va_drm_auth_x11.c"
                (("\"libva-x11\\.so\\.%d\"")
                 (string-append "\"" out "/lib/libva-x11.so.%d\"")))))))
       ;; Most drivers are in mesa's $prefix/lib/dri, so use that.  (Can be
       ;; overridden at run-time via LIBVA_DRIVERS_PATH.)
       #:configure-flags
       (list (string-append "--with-drivers-path="
                            (assoc-ref %build-inputs "mesa") "/lib/dri"))
       ;; However, we can't write to mesa's store directory, so override the
       ;; following make variable to install the dummy driver to libva's
       ;; $prefix/lib/dri directory.
       #:make-flags
       (list (string-append "dummy_drv_video_ladir="
                            (assoc-ref %outputs "out") "/lib/dri"))))
    (home-page "https://www.freedesktop.org/wiki/Software/vaapi/")
    (synopsis "Video acceleration library")
    (description "The main motivation for VA-API (Video Acceleration API) is
to enable hardware accelerated video decode/encode at various
entry-points (VLD, IDCT, Motion Compensation etc.) for prevailing coding
standards (MPEG-2, MPEG-4 ASP/H.263, MPEG-4 AVC/H.264, and VC-1/VMW3).")
    (license license:expat)))

(define-public ffmpeg
  (package
    (name "ffmpeg")
    (version "3.2.4")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://ffmpeg.org/releases/ffmpeg-"
                                 version ".tar.xz"))
             (sha256
              (base32
               "0ymg1mkg1n0770gmjfqp79p5ijxq04smfrsrrxc8pjc0y0agyf3f"))))
    (build-system gnu-build-system)
    (inputs
     `(("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("gnutls" ,gnutls)
       ("opus" ,opus)
       ("ladspa" ,ladspa)
       ("lame" ,lame)
       ("libass" ,libass)
       ("libbluray" ,libbluray)
       ("libcaca" ,libcaca)
       ("libcdio-paranoia" ,libcdio-paranoia)
       ("libtheora" ,libtheora)
       ("libvdpau" ,libvdpau)
       ("libvorbis" ,libvorbis)
       ("libvpx" ,libvpx)
       ("libx11" ,libx11)
       ("libx264" ,libx264)
       ("mesa" ,mesa)
       ("openal" ,openal)
       ("pulseaudio" ,pulseaudio)
       ("sdl" ,sdl2)
       ("soxr" ,soxr)
       ("speex" ,speex)
       ("twolame" ,twolame)
       ("x265" ,x265)
       ("xvid" ,xvid)
       ("zlib" ,zlib)))
    (native-inputs
     `(("bc" ,bc)
       ("perl" ,perl)
       ("pkg-config" ,pkg-config)
       ("texinfo" ,texinfo)
       ("python" ,python-2) ; scripts use interpreter python2
       ("speex" ,speex)
       ("yasm" ,yasm)))
    (arguments
     `(#:test-target "fate"
       #:configure-flags
       ;; possible additional inputs:
       ;;   --enable-avisynth        enable reading of AviSynth script
       ;;                            files [no]
       ;;   --enable-frei0r          enable frei0r video filtering
       ;;   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
       ;;   --enable-libcelt         enable CELT decoding via libcelt [no]
       ;;   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
       ;;                            and libraw1394 [no]
       ;;   --enable-libfaac         enable AAC encoding via libfaac [no]
       ;;   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
       ;;   --enable-libflite        enable flite (voice synthesis) support via
       ;;                            libflite [no]
       ;;   --enable-libgme          enable Game Music Emu via libgme [no]
       ;;   --enable-libgsm          enable GSM de/encoding via libgsm [no]
       ;;   --enable-libiec61883     enable iec61883 via libiec61883 [no]
       ;;   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
       ;;   --enable-libmodplug      enable ModPlug via libmodplug [no]
       ;;   --enable-libnut          enable NUT (de)muxing via libnut,
       ;;                            native (de)muxer exists [no]
       ;;   --enable-libopencore-amrnb    enable AMR-NB de/encoding via
       ;;                                 libopencore-amrnb [no]
       ;;   --enable-libopencore-amrwb    enable AMR-WB decoding via
       ;;                                 libopencore-amrwb [no]
       ;;   --enable-libopencv       enable video filtering via libopencv [no]
       ;;   --enable-libopenjpeg     enable JPEG 2000 de/encoding via
       ;;                            OpenJPEG [no]
       ;;   --enable-librtmp         enable RTMP[E] support via librtmp [no]
       ;;   --enable-libschroedinger enable Dirac de/encoding via
       ;;                            libschroedinger [no]
       ;;   --enable-libshine        enable fixed-point MP3 encoding via
       ;;                            libshine [no]
       ;;   --enable-libssh          enable SFTP protocol via libssh [no]
       ;;                            (libssh2 does not work)
       ;;   --enable-libstagefright-h264  enable H.264 decoding via
       ;;                                 libstagefright [no]
       ;;   --enable-libutvideo      enable Ut Video encoding and decoding via
       ;;                            libutvideo [no]
       ;;   --enable-libv4l2         enable libv4l2/v4l-utils [no]
       ;;   --enable-libvidstab      enable video stabilization using
       ;;                            vid.stab [no]
       ;;   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
       ;;   --enable-libvo-amrwbenc  enable AMR-WB encoding via
       ;;                            libvo-amrwbenc [no]
       ;;   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
       ;;   --enable-libxavs         enable AVS encoding via xavs [no]
       ;;   --enable-libzmq          enable message passing via libzmq [no]
       ;;   --enable-libzvbi         enable teletext support via libzvbi [no]
       ;;   --enable-opencl          enable OpenCL code
       '("--enable-avresample"
         "--enable-gpl" ; enable optional gpl licensed parts
         "--enable-shared"
         "--enable-fontconfig"
         "--enable-gnutls"
         "--enable-ladspa"
         "--enable-libass"
         "--enable-libbluray"
         "--enable-libcaca"
         "--enable-libcdio"
         "--enable-libfreetype"
         "--enable-libmp3lame"
         "--enable-libopus"
         "--enable-libpulse"
         "--enable-libsoxr"
         "--enable-libspeex"
         "--enable-libtheora"
         "--enable-libtwolame"
         "--enable-libvorbis"
         "--enable-libvpx"
         "--enable-libxvid"
         "--enable-libx264"
         "--enable-libx265"
         "--enable-openal"
         "--enable-opengl"
         "--enable-x11grab"

         "--enable-runtime-cpudetect"

         ;; Runtime cpu detection is not implemented on
         ;; MIPS, so we disable some features.
         "--disable-mips32r2"
         "--disable-mipsdsp"
         "--disable-mipsdspr2"
         "--disable-mipsfpu")
       #:phases
       (modify-phases %standard-phases
         (replace
          'configure
          ;; configure does not work followed by "SHELL=..." and
          ;; "CONFIG_SHELL=..."; set environment variables instead
          (lambda* (#:key outputs configure-flags #:allow-other-keys)
            (let ((out (assoc-ref outputs "out")))
              (substitute* "configure"
                (("#! /bin/sh") (string-append "#!" (which "sh"))))
              (setenv "SHELL" (which "bash"))
              (setenv "CONFIG_SHELL" (which "bash"))
              (zero? (apply system*
                            "./configure"
                            (string-append "--prefix=" out)
                            ;; Add $libdir to the RUNPATH of all the binaries.
                            (string-append "--extra-ldflags=-Wl,-rpath="
                                           out "/lib")
                            configure-flags)))))
         (add-before
          'check 'set-ld-library-path
          (lambda _
            ;; Allow $(top_builddir)/ffmpeg to find its dependencies when
            ;; running tests.
            (let* ((dso  (find-files "." "\\.so$"))
                   (path (string-join (map dirname dso) ":")))
              (format #t "setting LD_LIBRARY_PATH to ~s~%" path)
              (setenv "LD_LIBRARY_PATH" path)
              #t))))))
    (home-page "https://www.ffmpeg.org/")
    (synopsis "Audio and video framework")
    (description "FFmpeg is a complete, cross-platform solution to record,
convert and stream audio and video.  It includes the libavcodec
audio/video codec library.")
    (license license:gpl2+)))

(define-public ffmpeg-2.8
  (package
    (inherit ffmpeg)
    (version "2.8.11")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://ffmpeg.org/releases/ffmpeg-"
                                 version ".tar.xz"))
             (sha256
              (base32
               "1rhz7rhmhhh8bjcj3dc82haisn3qjbzqlr7k6d6v7064jgn3maiq"))))
    (arguments
     (substitute-keyword-arguments (package-arguments ffmpeg)
       ((#:configure-flags flags)
        `(map (lambda (flag)
                (if (string=? flag "--disable-mipsdsp")
                    "--disable-mipsdspr1"
                    flag))
              ,flags))))))

(define-public vlc
  (package
    (name "vlc")
    (version "2.2.4")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "https://download.videolan.org/pub/videolan/vlc/"
                   version "/vlc-" version ".tar.xz"))
             (sha256
              (base32
               "1gjkrwlg8ab3skzl67cxb9qzg4187ifckd1z9kpy11q058fyjchn"))
             (modules '((guix build utils)))
             (snippet
              ;; There are two occurrences where __DATE__ and __TIME__ are
              ;; used to capture the build time and show it to the user.
              '(substitute* (find-files "." "help\\.c(pp)?$")
                 (("__DATE__") "\"2016\"")
                 (("__TIME__") "\"00:00\"")))))
    (build-system gnu-build-system)
    (native-inputs
     `(("git" ,git) ; needed for a test
       ("pkg-config" ,pkg-config)))
    ;; FIXME: Add optional inputs once available.
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("avahi" ,avahi)
       ("dbus" ,dbus)
       ("flac" ,flac)
       ("ffmpeg" ,ffmpeg-2.8)               ;fails to build against ffmpeg 3.0
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("gnutls" ,gnutls)
       ("liba52" ,liba52)
       ("libcddb" ,libcddb)
       ("libgcrypt" ,libgcrypt)
       ("libkate" ,libkate)
       ("libmad" ,libmad)
       ("libogg" ,libogg)
       ("libpng" ,libpng)
       ("libsamplerate" ,libsamplerate)
       ("libssh2" ,libssh2)
       ("libvorbis" ,libvorbis)
       ("libtheora" ,libtheora)
       ("libxext" ,libxext)
       ("libxi" ,libxi)
       ("libxinerama" ,libxinerama)
       ("libxml2" ,libxml2)
       ("libxpm" ,libxpm)
       ("lua" ,lua-5.1)
       ("mesa" ,mesa)
       ("opus" ,opus)
       ("perl" ,perl)
       ("pulseaudio" ,pulseaudio)
       ("python" ,python-wrapper)
       ("qt" ,qt) ; FIXME: reenable modular qt after update - requires building
       ;("qtbase" ,qtbase) with -std=gnu++11.
       ;("qtx11extras" ,qtx11extras)
       ("sdl" ,sdl)
       ("sdl-image" ,sdl-image)
       ("speex" ,speex)
       ("x265" ,x265)
       ("xcb-util-keysyms" ,xcb-util-keysyms)))
    (arguments
     `(#:configure-flags
       `(;; Gross workaround for <https://trac.videolan.org/vlc/ticket/16907>.
         ;; In our case, this led to a test failure:
         ;;   test_libvlc_equalizer: libvlc/equalizer.c:122: test_equalizer: Assertion `isnan(libvlc_audio_equalizer_get_amp_at_index (equalizer, u_bands))' failed.
         "ac_cv_c_fast_math=no"

         ,(string-append "LDFLAGS=-Wl,-rpath -Wl,"
                         (assoc-ref %build-inputs "ffmpeg")
                         "/lib"))                 ;needed for the tests

       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'remove-visual-tests
           ;; Some of the tests require using the display to test out VLC,
           ;; which fails in our sandboxed build system
           (lambda _
             (substitute* "test/run_vlc.sh"
                          (("./vlc --ignore-config") "echo"))
             #t))
         (add-after 'install 'regenerate-plugin-cache
           (lambda* (#:key outputs #:allow-other-keys)
             ;; The 'install-exec-hook' rule in the top-level Makefile.am
             ;; generates 'lib/vlc/plugins/plugins.dat', a plugin cache, using
             ;; 'vlc-cache-gen'.  This file includes the mtime of the plugins
             ;; it references.  Thus, we first reset the timestamps of all
             ;; these files, and then regenerate the cache such that the
             ;; mtimes it includes are always zero instead of being dependent
             ;; on the build time.
             (let* ((out       (assoc-ref outputs "out"))
                    (pkglibdir (string-append out "/lib/vlc"))
                    (plugindir (string-append pkglibdir "/plugins"))
                    (cachegen  (string-append pkglibdir "/vlc-cache-gen")))
               ;; TODO: Factorize 'reset-timestamps'.
               (for-each (lambda (file)
                           (let ((s (lstat file)))
                             (unless (eq? (stat:type s) 'symlink)
                               (utime file 0 0 0 0))))
                         (find-files plugindir))
               (zero? (system* cachegen plugindir))))))))
    (home-page "https://www.videolan.org/")
    (synopsis "Audio and video framework")
    (description "VLC is a cross-platform multimedia player and framework
that plays most multimedia files as well as DVD, Audio CD, VCD, and various
treaming protocols.")
    (license license:gpl2+)))

(define-public mplayer
  (package
    (name "mplayer")
    (version "1.3.0")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "https://www.mplayerhq.hu/MPlayer/releases/MPlayer-"
                   version ".tar.xz"))
             (sha256
              (base32
               "0hwqn04bdknb2ic88xd75smffxx63scvz0zvwvjb56nqj9n89l1s"))))
    (build-system gnu-build-system)
    ;; FIXME: Add additional inputs once available.
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("cdparanoia" ,cdparanoia)
       ("ffmpeg" ,ffmpeg)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
;;        ("giflib" ,giflib) ; uses QuantizeBuffer, requires version >= 5
       ("lame" ,lame)
       ("libass" ,libass)
       ("libdvdcss" ,libdvdcss)
       ("libdvdnav" ,libdvdnav)
       ("libjpeg" ,libjpeg)
       ("libmpeg2" ,libmpeg2)
       ("libmpg123" ,mpg123)                      ; audio codec for MP3
       ("libpng" ,libpng)
       ("libtheora" ,libtheora)
       ("libvdpau" ,libvdpau)
       ("libvorbis" ,libvorbis)
       ("libx11" ,libx11)
       ("libx264" ,libx264)
       ("libxinerama" ,libxinerama)
       ("libxv" ,libxv)
       ("libxxf86dga" ,libxxf86dga)
       ("mesa" ,mesa)
       ("opus" ,opus)
       ("perl" ,perl)
       ("pulseaudio" ,pulseaudio)
       ("python" ,python-wrapper)
       ("sdl" ,sdl)
       ("speex" ,speex)
       ("yasm" ,yasm)
       ("zlib" ,zlib)))
    (arguments
     `(#:tests? #f ; no test target
       #:phases
       (modify-phases %standard-phases
        (replace 'configure
          ;; configure does not work followed by "SHELL=..." and
          ;; "CONFIG_SHELL=..."; set environment variables instead
          (lambda* (#:key inputs outputs #:allow-other-keys)
            (let ((out (assoc-ref outputs "out"))
                  (libx11 (assoc-ref inputs "libx11")))
              (substitute* "configure"
                (("#! /bin/sh") (string-append "#!" (which "sh"))))
              (setenv "SHELL" (which "bash"))
              (setenv "CONFIG_SHELL" (which "bash"))
              (zero? (system*
                      "./configure"
                      (string-append "--extra-cflags=-I"
                                     libx11 "/include") ; to detect libx11
                      "--disable-ffmpeg_a" ; disables bundled ffmpeg
                      (string-append "--prefix=" out)
                      ;; Enable runtime cpu detection where supported,
                      ;; and choose a suitable target.
                      ,@(match (or (%current-target-system)
                                   (%current-system))
                          ("x86_64-linux"
                           '("--enable-runtime-cpudetection"
                             "--target=x86_64-linux"))
                          ("i686-linux"
                           '("--enable-runtime-cpudetection"
                             "--target=i686-linux"))
                          ("mips64el-linux"
                           '("--target=mips3-linux"))
                          (_ (list (string-append
                                    "--target="
                                    (or (%current-target-system)
                                        (nix-system->gnu-triplet
                                         (%current-system)))))))
                      "--disable-iwmmxt"))))))))
    (home-page "https://www.mplayerhq.hu/design7/news.html")
    (synopsis "Audio and video player")
    (description "MPlayer is a movie player.  It plays most MPEG/VOB, AVI,
Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT,
NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files.  One can watch VideoCD,
SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
    (license license:gpl2)))

(define-public mpv
  (package
    (name "mpv")
    (version "0.24.0")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/mpv-player/mpv/archive/v" version
                    ".tar.gz"))
              (sha256
               (base32
                "059zblcj98fhrns1rwa66mf4km68czpam4nnk8q9qny31bx58654"))
              (file-name (string-append name "-" version ".tar.gz"))))
    (build-system waf-build-system)
    (native-inputs
     `(("perl" ,perl) ; for zsh completion file
       ("pkg-config" ,pkg-config)
       ("python-docutils" ,python-docutils)))
    ;; Missing features: libguess, Wayland, V4L2
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("enca" ,enca)
       ("ffmpeg" ,ffmpeg)
       ("jack" ,jack-1)
       ("ladspa" ,ladspa)
       ("lcms" ,lcms)
       ("libass" ,libass)
       ("libbluray" ,libbluray)
       ("libcaca" ,libcaca)
       ("libbs2b" ,libbs2b)
       ("libcdio-paranoia" ,libcdio-paranoia)
       ("libdvdread" ,libdvdread)
       ("libdvdnav" ,libdvdnav)
       ("libjpeg" ,libjpeg)
       ("libva" ,libva)
       ("libvdpau" ,libvdpau)
       ("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxinerama" ,libxinerama)
       ("libxrandr" ,libxrandr)
       ("libxscrnsaver" ,libxscrnsaver)
       ("libxv" ,libxv)
       ;; XXX: lua > 5.2 is not currently supported; see
       ;; waftools/checks/custom.py
       ("lua" ,lua-5.2)
       ("mesa" ,mesa)
       ("mpg123" ,mpg123)
       ("pulseaudio" ,pulseaudio)
       ("rsound" ,rsound)
       ("waf" ,python-waf)
       ("youtube-dl" ,youtube-dl)
       ("zlib" ,zlib)))
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-before
          'configure 'setup-waf
          (lambda* (#:key inputs #:allow-other-keys)
            (copy-file (assoc-ref inputs "waf") "waf")
            (setenv "CC" "gcc"))))
       #:configure-flags (list "--enable-libmpv-shared"
                               "--enable-zsh-comp"
                               "--disable-build-date")
       ;; No check function defined.
       #:tests? #f))
    (home-page "https://mpv.io/")
    (synopsis "Audio and video player")
    (description "mpv is a general-purpose audio and video player.  It is a
fork of mplayer2 and MPlayer.  It shares some features with the former
projects while introducing many more.")
    (license license:gpl2+)))

(define-public gnome-mpv
  (package
    (name "gnome-mpv")
    (version "0.11")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/gnome-mpv/gnome-mpv/releases"
                           "/download/v" version "/gnome-mpv-" version
                           ".tar.xz"))
       (sha256
        (base32
         "1hn3mpsxbrwf2m0nz4vzji4i6i896y8kqjb9kijqpk04cnrs3fgz"))))
    (native-inputs
     `(("intltool" ,intltool)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("gtk+" ,gtk+)
       ("libepoxy" ,libepoxy)
       ("mpv" ,mpv)))
    (build-system glib-or-gtk-build-system)
    (home-page "https://github.com/gnome-mpv/gnome-mpv")
    (synopsis "GTK+ frontend for the mpv media player")
    (description "GNOME MPV is a simple GTK+ frontend for the mpv media player.
GNOME MPV interacts with mpv via the client API exported by libmpv, allowing
access to mpv's powerful playback capabilities.")
    (license license:gpl3+)))

(define-public libvpx
  (package
    (name "libvpx")
    (version "1.6.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://storage.googleapis.com/"
                                  "downloads.webmproject.org/releases/webm/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "06d8hqjkfs6wl45qf4pwh1kpbvkx6cwywd5y8d4lgagvjwm0qb0w"))
              (patches (search-patches "libvpx-CVE-2016-2818.patch"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (replace 'configure
           (lambda* (#:key outputs #:allow-other-keys)
             (setenv "CONFIG_SHELL" (which "bash"))
             (let ((out (assoc-ref outputs "out")))
               (setenv "LDFLAGS"
                       (string-append "-Wl,-rpath=" out "/lib"))
               (zero? (system* "./configure"
                               "--enable-shared"
                               "--as=yasm"
                               ;; Limit size to avoid CVE-2015-1258
                               "--size-limit=16384x16384"
                               (string-append "--prefix=" out)))))))
       #:tests? #f)) ; no check target
    (native-inputs
     `(("perl" ,perl)
       ("yasm" ,yasm)))
    (synopsis "VP8/VP9 video codec")
    (description "libvpx is a codec for the VP8/VP9 video compression format.")
    (license license:bsd-3)
    (home-page "http://www.webmproject.org/")))

(define-public youtube-dl
  (package
    (name "youtube-dl")
    (version "2017.04.16")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://yt-dl.org/downloads/"
                                  version "/youtube-dl-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1pgdfspzv15772q7kakfq5qx1r70lcviwzk6sz9z1cddxzffxgdd"))))
    (build-system python-build-system)
    (arguments
     ;; The problem here is that the directory for the man page and completion
     ;; files is relative, and for some reason, setup.py uses the
     ;; auto-detected sys.prefix instead of the user-defined "--prefix=FOO".
     ;; So, we need pass the prefix directly.  In addition, make sure the Bash
     ;; completion file is called 'youtube-dl' rather than
     ;; 'youtube-dl.bash-completion'.
     `(#:tests? #f ; Many tests fail. The test suite can be run with pytest.
       #:phases (modify-phases %standard-phases
                  (add-before 'install 'fix-the-data-directories
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let ((prefix (assoc-ref outputs "out")))
                        (mkdir "bash-completion")
                        (rename-file "youtube-dl.bash-completion"
                                     "bash-completion/youtube-dl")
                        (substitute* "setup.py"
                          (("youtube-dl\\.bash-completion")
                           "bash-completion/youtube-dl")
                          (("'etc/")
                           (string-append "'" prefix "/etc/"))
                          (("'share/")
                           (string-append "'" prefix "/share/")))))))))
    (synopsis "Download videos from YouTube.com and other sites")
    (description
     "Youtube-dl is a small command-line program to download videos from
YouTube.com and a few more sites.")
    (home-page "https://yt-dl.org")
    (license license:public-domain)))

(define-public you-get
  (package
    (name "you-get")
    (version "0.4.652")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/soimort/you-get/releases/download/v"
                    version "/you-get-" version ".tar.gz"))
              (sha256
               (base32
                "0brkz98lycx8mmxjwmn7jlhqfdbvl0hy070n7skwr1k75kh99q30"))))
    (build-system python-build-system)
    (arguments
     ;; no tests
     '(#:tests? #f))
    (inputs
     `(("ffmpeg" ,ffmpeg)))
    (synopsis "Download videos, audios, or images from Web sites")
    (description
     "You-Get is a command-line utility to download media contents (videos,
audio, images) from the Web.  It can use either mpv or vlc for playback.")
    (home-page "https://you-get.org/")
    (license license:expat)))

(define-public libbluray
  (package
    (name "libbluray")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://download.videolan.org/videolan/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "1k3lag4lxi2jjd3zh4wcb5l3hadzm54j5kagh92yzfy76p9svqzp"))))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags '("--disable-bdjava")
       #:phases
       (modify-phases %standard-phases
         (add-before 'build 'fix-dlopen-paths
           (lambda* (#:key inputs #:allow-other-keys)
             (let ((libaacs (assoc-ref inputs "libaacs"))
                   (libbdplus (assoc-ref inputs "libbdplus")))
               (substitute* "src/libbluray/disc/aacs.c"
                 (("\"libaacs\"")
                  (string-append "\"" libaacs "/lib/libaacs\"")))
               (substitute* "src/libbluray/disc/bdplus.c"
                 (("\"libbdplus\"")
                  (string-append "\"" libbdplus "/lib/libbdplus\"")))
               #t))))))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs
     `(("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("libaacs" ,libaacs)
       ("libbdplus" ,libbdplus)
       ("libxml2" ,libxml2)))
    (home-page "https://www.videolan.org/developers/libbluray.html")
    (synopsis "Blu-Ray Disc playback library")
    (description
     "libbluray is a library designed for Blu-Ray Disc playback for media
players, like VLC or MPlayer.")
    (license license:lgpl2.1+)))

(define-public libdvdread
  (package
    (name "libdvdread")
    (version "5.0.3")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://download.videolan.org/videolan/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "0ayqiq0psq18rcp6f5pz82sxsq66v0kwv0y55dbrcg68plnxy71j"))))
    (build-system gnu-build-system)
    (home-page "http://dvdnav.mplayerhq.hu/")
    (synopsis "Library for reading video DVDs")
    (description
     "Libdvdread provides a simple foundation for reading DVD video
disks.  It provides the functionality that is required to access many
DVDs.  It parses IFO files, reads NAV-blocks, and performs CSS
authentication and descrambling (if an external libdvdcss library is
installed).")
    (license license:gpl2+)))

(define-public libdvdnav
  (package
    (name "libdvdnav")
    (version "5.0.3")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://download.videolan.org/videolan/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "0v8byv5z598k06rqzdmj7739vc86xq3zf79zfr698dib7lz055sh"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("libdvdread" ,libdvdread)))
    (home-page "http://dvdnav.mplayerhq.hu/")
    (synopsis "Library for video DVD navigation features")
    (description
     "Libdvdnav is a library for developers of multimedia
applications.  It allows easy use of sophisticated DVD navigation features
such as DVD menus, multiangle playback and even interactive DVD games.  All
this functionality is provided through a simple API which provides the DVD
playback as a single logical stream of blocks, intermitted by special
dvdnav events to report certain conditions.  The main usage of libdvdnav is
a loop regularly calling a function to get the next block, surrounded by
additional calls to tell the library of user interaction.  The whole
DVD virtual machine and internal playback states are completely
encapsulated.")
    (license license:gpl2+)))

(define-public libdvdnav-4
  (package
    (inherit libdvdnav)
    (version "4.2.1")
    (source (origin
              (method url-fetch)
              (uri
               (string-append
                "http://download.videolan.org/videolan/libdvdnav/libdvdnav-"
                version ".tar.xz"))
              (sha256
               (base32
                "0wi3gy408c8xj0ism0hckv5jbfh3lg4pmgxv87gbch9jrhp2gjkz"))))
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("autoconf" ,autoconf)
       ("automake" ,automake)
       ("libtool" ,libtool)))
    (arguments
     '(#:phases
       (alist-cons-after
        'unpack 'autoreconf
        (lambda _
          (zero? (system* "autoreconf" "-vif")))
        %standard-phases)))))

(define-public libdvdcss
  (package
    (name "libdvdcss")
    (version "1.4.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://download.videolan.org/pub/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "0nl45ifc4xcb196snv9d6hinfw614cqpzcqp92dg43c0hickg290"))))
    (build-system gnu-build-system)
    (home-page "http://www.videolan.org/developers/libdvdcss.html")
    (synopsis "Library for accessing DVDs as block devices")
    (description
     "libdvdcss is a simple library designed for accessing DVDs like a block
device without having to bother about the decryption.")
    (license license:gpl2+)))

(define-public srt2vtt
  (package
    (name "srt2vtt")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://dthompson.us/releases/srt2vtt/srt2vtt-"
                    version ".tar.gz"))
              (sha256
               (base32
                "16b377znjm6qlga5yb8aj7b7bcisa1ghcnj2lrb1d30lvxp4liif"))))
    (build-system gnu-build-system)
    (inputs
     `(("guile" ,guile-2.0)))
    (synopsis "SubRip to WebVTT subtitle converter")
    (description "srt2vtt converts SubRip formatted subtitles to WebVTT format
for use with HTML5 video.")
    (home-page "http://dthompson.us/pages/software/srt2vtt")
    (license license:gpl3+)))

(define-public avidemux
  (package
    (name "avidemux")
    (version "2.6.12")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "mirror://sourceforge/" name "/" name "/" version "/"
                   name "_" version ".tar.gz"))
             (sha256
              (base32
               "0nz52yih8sff53inndkh2dba759xjzsh4b8xjww419lcpk0qp6kn"))
             (patches (search-patches "avidemux-install-to-lib.patch"))))
    (build-system cmake-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    ;; FIXME: Once packaged, add libraries not found during the build.
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("fribidi" ,fribidi)
       ("glu" ,glu)
       ("jack" ,jack-1)
       ("lame" ,lame)
       ("libva" ,libva)
       ("libvdpau" ,libvdpau)
       ("libvorbis" ,libvorbis)
       ("libvpx" ,libvpx)
       ("libxv" ,libxv)
       ("perl" ,perl)
       ("pulseaudio" ,pulseaudio)
       ("python" ,python-wrapper)
       ("qt" ,qt) ; FIXME: reenable modular qt after update - requires building
       ;("qtbase" ,qtbase) with -std=gnu++11.
       ;("qttools" ,qttools)
       ("sdl" ,sdl)
       ("sqlite" ,sqlite)
       ("yasm" ,yasm)
       ("zlib" ,zlib)))
    (arguments
     `(#:tests? #f ; no check target
       #:phases
       ;; Make sure files inside the included ffmpeg tarball are
       ;; patch-shebanged.
       (modify-phases %standard-phases
       (add-before 'patch-source-shebangs 'unpack-ffmpeg
         (lambda _
           (with-directory-excursion "avidemux_core/ffmpeg_package"
             (system* "tar" "xf" "ffmpeg-2.7.6.tar.bz2")
             (delete-file "ffmpeg-2.7.6.tar.bz2"))))
       (add-after 'patch-source-shebangs 'repack-ffmpeg
         (lambda _
           (with-directory-excursion "avidemux_core/ffmpeg_package"
             (substitute* "ffmpeg-2.7.6/configure"
               (("#! /bin/sh") (string-append "#!" (which "sh"))))
             (system* "tar" "cjf" "ffmpeg-2.7.6.tar.bz2" "ffmpeg-2.7.6"
                      ;; avoid non-determinism in the archive
                      "--sort=name" "--mtime=@0"
                      "--owner=root:0" "--group=root:0")
             (delete-file-recursively "ffmpeg-2.7.6"))))
       (replace 'configure
         (lambda _
           ;; Copy-paste settings from the cmake build system.
           (setenv "CMAKE_LIBRARY_PATH" (getenv "LIBRARY_PATH"))
           (setenv "CMAKE_INCLUDE_PATH" (getenv "C_INCLUDE_PATH"))))
       (replace 'build
         (lambda* (#:key inputs outputs #:allow-other-keys)
           (let*
             ((out (assoc-ref outputs "out"))
              (lib (string-append out "/lib"))
              (top (getcwd))
              (sdl (assoc-ref inputs "sdl"))
              (build_component
                (lambda* (component srcdir #:optional (args '()))
                  (let ((builddir (string-append "build_" component)))
                    (mkdir builddir)
                    (with-directory-excursion builddir
                      (zero?
                        (and
                          (apply system* "cmake"
                                 "-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=TRUE"
                                 (string-append "-DCMAKE_INSTALL_PREFIX=" out)
                                 (string-append "-DCMAKE_INSTALL_RPATH=" lib)
                                 (string-append "-DCMAKE_SHARED_LINKER_FLAGS="
                                                "\"-Wl,-rpath=" lib "\"")
                                 (string-append "-DAVIDEMUX_SOURCE_DIR=" top)
                                 (string-append "-DSDL_INCLUDE_DIR="
                                                sdl "/include/SDL")
                                 (string-append "../" srcdir)
                                 "-DENABLE_QT5=True"
                                 args)
                         (system* "make" "-j"
                                 (number->string (parallel-job-count)))
                         (system* "make" "install"))))))))
             (mkdir out)
             (and (build_component "core" "avidemux_core")
                  (build_component "cli" "avidemux/cli")
                  (build_component "qt4" "avidemux/qt4")
                  (build_component "plugins_common" "avidemux_plugins"
                                  '("-DPLUGIN_UI=COMMON"))
                  (build_component "plugins_cli" "avidemux_plugins"
                                  '("-DPLUGIN_UI=CLI"))
                  (build_component "plugins_qt4" "avidemux_plugins"
                                  '("-DPLUGIN_UI=QT4"))
                  (build_component "plugins_settings" "avidemux_plugins"
                                  '("-DPLUGIN_UI=SETTINGS")))
             ;; Remove .exe and .dll file.
             (delete-file-recursively
               (string-append out "/share/ADM6_addons")))))
       (delete 'install))))
    (home-page "http://fixounet.free.fr/avidemux/")
    (synopsis "Video editor")
    (description "Avidemux is a video editor designed for simple cutting,
filtering and encoding tasks.  It supports many file types, including AVI,
DVD compatible MPEG files, MP4 and ASF, using a variety of codecs.  Tasks
can be automated using projects, job queue and powerful scripting
capabilities.")
    ;; Software with various licenses is included, see License.txt.
    (license license:gpl2+)))

(define-public vapoursynth
  (package
    (name "vapoursynth")
    (version "37")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/vapoursynth/vapoursynth/archive/R"
                    version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1g3hc079jw4mz1cmkv2y28pdb556wqc8ql7iravgh1rg8j3f1zi5"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("cython" ,python-cython)
       ("libtool" ,libtool)
       ("pkg-config" ,pkg-config)
       ("python" ,python)
       ("yasm" ,yasm)))
    (inputs
     `(("ffmpeg" ,ffmpeg)
       ("libass" ,libass)
       ("tesseract-ocr" ,tesseract-ocr)
       ("zimg" ,zimg)))
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after
          'unpack 'autogen
          (lambda _
            (zero? (system* "sh" "autogen.sh")))))))
    (home-page "http://www.vapoursynth.com/")
    (synopsis "Video processing framework")
    (description "VapourSynth is a C++ library and Python module for video
manipulation.  It aims to be a modern rewrite of Avisynth, supporting
multithreading, generalized colorspaces, per frame properties, and videos with
format changes.")
    ;; src/core/cpufeatures only allows x86, ARM or PPC
    (supported-systems (delete "mips64el-linux" %supported-systems))
    ;; As seen from the source files.
    (license license:lgpl2.1+)))

(define-public xvid
  (package
    (name "xvid")
    (version "1.3.4")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://downloads.xvid.org/downloads/xvidcore-"
                    version ".tar.bz2"))
              (sha256
               (base32
                "1xwbmp9wqshc0ckm970zdpi0yvgqxlqg0s8bkz98mnr8p2067bsz"))))
    (build-system gnu-build-system)
    (native-inputs `(("yasm" ,yasm)))
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-before
          'configure 'pre-configure
          (lambda _
            (chdir "build/generic")
            (substitute* "configure"
              (("#! /bin/sh") (string-append "#!" (which "sh")))))))
       ;; No 'check' target.
       #:tests? #f))
    (home-page "https://www.xvid.com/")
    (synopsis "MPEG-4 Part 2 Advanced Simple Profile video codec")
    (description "Xvid is an MPEG-4 Part 2 Advanced Simple Profile (ASP) video
codec library.  It uses ASP features such as b-frames, global and quarter
pixel motion compensation, lumi masking, trellis quantization, and H.263, MPEG
and custom quantization matrices.")
    (license license:gpl2+)))

(define-public livestreamer
  (package
    (name "livestreamer")
    (version "1.12.2")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/chrippa/livestreamer/archive/v"
                    version ".tar.gz"))
              (file-name (string-append "livestreamer-" version ".tar.gz"))
              (sha256
               (base32
                "1fp3d3z2grb1ls97smjkraazpxnvajda2d1g1378s6gzmda2jvjd"))))
    (build-system python-build-system)
    (arguments
     '(#:tests? #f)) ; tests rely on external web servers
    (propagated-inputs
     `(("python-requests" ,python-requests)))
    (synopsis "Internet video stream viewer")
    (description "Livestreamer is a command-line utility that extracts streams
from various services and pipes them into a video playing application.")
    (home-page "http://livestreamer.io/")
    (license license:bsd-2)))

(define-public mlt
  (package
    (name "mlt")
    (version "6.4.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/mltframework/mlt/"
                                  "archive/v" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "10m3ry0b2pvqx3bk34qh5dq337nn8pkc2gzfyhsj4nv9abskln47"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ; no tests
       #:make-flags '("CC=gcc")
       #:configure-flags
       (list "--enable-gpl3"
             "--enable-gpl")
       #:phases
       (modify-phases %standard-phases
         (add-after
          'configure 'override-LDFLAGS
          (lambda* (#:key outputs #:allow-other-keys)
            (substitute* "config.mak"
              (("LDFLAGS\\+=")
               (string-append "LDFLAGS+=-Wl,-rpath="
                              (assoc-ref outputs "out")
                              "/lib ")))
            #t)))))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("fftw" ,fftw)
       ("libxml2" ,libxml2)
       ("jack" ,jack-1)
       ("ladspa" ,ladspa)
       ("libsamplerate" ,libsamplerate)
       ("pulseaudio" ,pulseaudio)
       ("sdl" ,sdl)
       ("sox" ,sox)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (home-page "https://www.mltframework.org/")
    (synopsis "Author, manage, and run multitrack audio/video compositions")
    (description
     "MLT is a multimedia framework, designed and developed for television
broadcasting.  It provides a toolkit for broadcasters, video editors, media
players, transcoders, web streamers and many more types of applications.  The
functionality of the system is provided via an assortment of ready to use
tools, XML authoring components, and an extensible plug-in based API.")
    (license license:lgpl2.1+)))

(define-public v4l-utils
  (package
    (name "v4l-utils")
    (version "1.10.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://linuxtv.org/downloads/v4l-utils"
                                  "/v4l-utils-" version ".tar.bz2"))
              (sha256
               (base32
                "1h1nhg5cmmzlbipak526nk4bm6d0yb217mll75f3rpg7kz1cqiv1"))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags
       (list (string-append "--with-udevdir="
                            (assoc-ref %outputs "out")
                            "/lib/udev")
             "CXXFLAGS=-std=gnu++11")))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("glu" ,glu)
       ("libjpeg" ,libjpeg)
       ("libx11" ,libx11)
       ("qtbase" ,qtbase)
       ("eudev" ,eudev)))
    (synopsis "Realtime video capture utilities for Linux")
    (description "The v4l-utils provide a series of libraries and utilities to
be used for realtime video capture via Linux-specific APIs.")
    (home-page "https://linuxtv.org/wiki/index.php/V4l-utils")
    ;; libv4l2 is LGPL2.1+, while utilities are GPL2 only.
    (license (list license:lgpl2.1+ license:gpl2))))

(define-public obs
  (package
    (name "obs")
    (version "18.0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/jp9000/obs-studio"
                                  "/archive/" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "043f8mfdh4ll0hpivpyg3iniirckwsgri0gzamyrba1yhf2c2ibr"))))
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f ; no tests
       ,@(if (any (cute string-prefix? <> (or (%current-target-system)
                                              (%current-system)))
                  '("arm" "mips"))
           '(#:phases
             (modify-phases %standard-phases
             (add-after 'unpack 'remove-architecture-specific-instructions
               ;; non-Intel platforms fail to build with the architecture
               ;; specific compiler flags included by default.
               (lambda _
                 (substitute* "libobs/CMakeLists.txt"
                              (("if\\(NOT MSVC\\)") "if(MSVC)"))
                 #t))))
           '())))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("curl" ,curl)
       ("eudev" ,eudev)
       ("ffmpeg" ,ffmpeg)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("jack" ,jack-1)
       ("jansson" ,jansson)
       ("libx264" ,libx264)
       ("libxcomposite" ,libxcomposite)
       ("mesa" ,mesa)
       ("pulseaudio" ,pulseaudio)
       ("qtbase" ,qtbase)
       ("qtx11extras" ,qtx11extras)
       ("speex" ,speex)
       ("v4l-utils" ,v4l-utils)
       ("zlib" ,zlib)))
    (synopsis "Live streaming software")
    (description "Open Broadcaster Software provides a graphical interface for
video recording and live streaming.  OBS supports capturing audio and video
from many input sources such as webcams, X11 (for screencasting), PulseAudio,
and JACK.")
    (home-page "https://obsproject.com")
    (license license:gpl2+)))

(define-public libvdpau
  (package
    (name "libvdpau")
    (version "1.1.1")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "https://secure.freedesktop.org/~aplattner/vdpau/"
                            name "-" version ".tar.bz2"))
        (sha256
         (base32
          "0dnpb0yh7v6rvckx82kxg045rd9rbsw25wjv7ad5n8h94s9h2yl5"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("dri2proto" ,dri2proto)
       ("libx11" ,libx11 "out")
       ("libxext" ,libxext)))
    (home-page "https://wiki.freedesktop.org/www/Software/VDPAU/")
    (synopsis "Video Decode and Presentation API")
    (description "VDPAU is the Video Decode and Presentation API for UNIX.  It
provides an interface to video decode acceleration and presentation hardware
present in modern GPUs.")
    (license (license:x11-style "file://COPYING"))))

(define-public vdpauinfo
  (package
    (name "vdpauinfo")
    (version "1.0")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "https://secure.freedesktop.org/~aplattner/vdpau/"
                            name "-" version ".tar.gz"))
        (sha256
         (base32
          "1i2b0k9h8r0lnxlrkgqzmrjakgaw3f1ygqqwzx8w6676g85rcm20"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("libx11" ,libx11)))
    (propagated-inputs
     `(("libvdpau" ,libvdpau)))
    (home-page "https://wiki.freedesktop.org/www/Software/VDPAU/")
    (synopsis "Tool to query the capabilities of a VDPAU implementation")
    (description "Vdpauinfo is a tool to query the capabilities of a VDPAU
implementation.")
    (license (license:x11-style "file://COPYING"))))

(define-public recordmydesktop
  (package
    (name "recordmydesktop")
    (version "0.3.8.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/" name "/" name "/"
                                  version "/recordmydesktop-" version ".tar.gz"))
              (sha256
               (base32
                "133kkl5j0r877d41bzj7kj0vf3xm8x80yyx2n8nqxrva304f58ik"))))
    (build-system gnu-build-system)
    (inputs `(("popt" ,popt)
              ("zlib" ,zlib)
              ("libx11" ,libx11)
              ("libice" ,libice)
              ("libsm" ,libsm)
              ("libxfixes" ,libxfixes)
              ("libxdamage" ,libxdamage)
              ("libxext" ,libxext)
              ("alsa-lib" ,alsa-lib)
              ("libvorbis" ,libvorbis)
              ("libtheora" ,libtheora)))
    (home-page "http://recordmydesktop.sourceforge.net/")
    (synopsis "Desktop session video recorder")
    (description
     "recordMyDesktop is a command-line tool that captures the activity in
your graphical desktop and encodes it as a video.  This is a useful tool for
making @dfn{screencasts}.")
    (license license:gpl2+)))

(define-public libsmpeg
  (package
    (name "libsmpeg")
    (version "0.4.5")
    (source (origin
              (method svn-fetch)
              (uri (svn-reference
                    (url "svn://svn.icculus.org/smpeg/trunk/")
                    (revision 401))) ; last revision before smpeg2 (for SDL 2.0)
              (sha256
               (base32
                "18yfkr70lr1x1hc8snn2ldnbzdcc7b64xmkqrfk8w59gpg7sl1xn"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (add-after 'unpack 'autogen.sh
                    (lambda _
                      (zero? (system* "sh" "autogen.sh")))))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)))
    (inputs
     `(("sdl" ,sdl2)))
    (home-page "http://icculus.org/smpeg/")
    (synopsis "SDL MPEG decoding library")
    (description
     "SMPEG (SDL MPEG Player Library) is a free MPEG1 video player library
with sound support.  Video playback is based on the ubiquitous Berkeley MPEG
player, mpeg_play v2.2.  Audio is played through a slightly modified mpegsound
library, part of splay v0.8.2.  SMPEG supports MPEG audio (MP3), MPEG-1 video,
and MPEG system streams.")
    (license (list license:expat
                   license:lgpl2.1
                   license:lgpl2.1+
                   license:gpl2))))

(define-public libbdplus
  (package
    (name "libbdplus")
    (version "0.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "ftp://ftp.videolan.org/pub/videolan/libbdplus/"
                           version "/" name "-" version ".tar.bz2"))
       (sha256
        (base32 "02n87lysqn4kg2qk7d1ffrp96c44zkdlxdj0n16hbgrlrpiwlcd6"))))
    (inputs
     `(("libgcrypt" ,libgcrypt)))
    (build-system gnu-build-system)
    (home-page "http://www.videolan.org/developers/libbdplus.html")
    (synopsis "Library for decrypting certain Blu-Ray discs")
    (description "libbdplus is a library which implements the BD+ System
specifications.")
    (license license:lgpl2.1+)))

(define-public libaacs
  (package
    (name "libaacs")
    (version "0.8.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "ftp://ftp.videolan.org/pub/videolan/libaacs/"
                           version "/" name "-" version ".tar.bz2"))
       (sha256
        (base32 "1s5v075hnbs57995r6lljm79wgrip3gnyf55a0y7bja75jh49hwm"))))
    (inputs
     `(("libgcrypt" ,libgcrypt)))
    (native-inputs
     `(("bison" ,bison)
       ("flex" ,flex)))
    (build-system gnu-build-system)
    (home-page "http://www.videolan.org/developers/libaacs.html")
    (synopsis "Library for decrypting certain Blu-Ray discs")
    (description "libaacs is a library which implements the Advanced Access
Content System specification.")
    (license license:lgpl2.1+)))

(define-public mps-youtube
  (package
    (name "mps-youtube")
    (version "0.2.7.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/mps-youtube/mps-youtube/"
                           "archive/v" version ".tar.gz"))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32
         "1s7h35yx6f0szf8mm8612ic913w3v05m2kwphjfcxnpq0ammhyci"))))
    (build-system python-build-system)
    (arguments
     ;; Tests need to be disabled until #556 upstream is fixed. It reads as if the
     ;; test suite results differ depending on the country and also introduce
     ;; non-determinism in the tests.
     ;; https://github.com/mps-youtube/mps-youtube/issues/556
     `(#:tests? #f))
    (propagated-inputs
     `(("python-pafy" ,python-pafy)
       ("python-pygobject" ,python-pygobject))) ; For mpris2 support
    (home-page "https://github.com/mps-youtube/mps-youtube")
    (synopsis "Terminal based YouTube player and downloader")
    (description
     "@code{mps-youtube} is based on mps, a terminal based program to
search, stream and download music.  This implementation uses YouTube as
a source of content and can play and download video as well as audio.
It can use either mpv or mplayer for playback, and for conversion of
formats ffmpeg or libav is used.  Users should install one of the
supported players in addition to this package.")
    (license license:gpl3+)))

(define-public handbrake
  (package
    (name "handbrake")
    (version "0.10.5")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://handbrake.fr/rotation.php?file="
                                  "HandBrake-" version ".tar.bz2"))
              (file-name (string-append "handbrake-" version ".tar.bz2"))
              (sha256
               (base32
                "1w720y3bplkz187wgvy4a4xm0vpppg45mlni55l6yi8v2bfk14pv"))
              (patches (search-patches "handbrake-pkg-config-path.patch"))
              (modules '((guix build utils)))
              (snippet
               ;; Remove bundled libraries and source not necessary for
               ;; running under a GNU environment.
               '(begin
                  (for-each delete-file-recursively '("contrib" "macosx" "win"))
                  #t))))
    (build-system  glib-or-gtk-build-system)
    (native-inputs
     `(("automake" ,automake)           ;gui subpackage must be bootstrapped
       ("autoconf" ,autoconf)
       ("curl" ,curl)                   ;not actually used, but tested for
       ("intltool" ,intltool)
       ("libtool" ,libtool)
       ("pkg-config" ,pkg-config)
       ("python" ,python-2)))           ;for configuration
    (inputs
     `(("bzip2" ,bzip2)
       ("dbus-glib" ,dbus-glib)
       ("ffmpeg" ,ffmpeg)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("glib" ,glib)
       ("gstreamer" ,gstreamer)
       ("gst-plugins-base" ,gst-plugins-base)
       ("gtk+" ,gtk+)
       ("lame" ,lame)
       ("libass" ,libass)
       ("libbluray" ,libbluray)
       ("libdvdnav" ,libdvdnav)
       ("libdvdread" ,libdvdread)
       ("libgudev" ,libgudev)
       ("libmpeg2" ,libmpeg2)
       ("libnotify" ,libnotify)
       ("libogg" ,libogg)
       ("libsamplerate" ,libsamplerate)
       ("libtheora" ,libtheora)
       ("libvorbis" ,libvorbis)
       ("libvpx" ,libvpx)
       ("libxml2" ,libxml2)
       ("libx264" ,libx264)
       ("x265" ,x265)
       ("zlib" ,zlib)))
    (arguments
     `(#:tests? #f             ;tests require Ruby and claim to be unsupported
       #:phases
       (modify-phases %standard-phases
         (add-before 'patch-source-shebangs 'bootstrap-gtk
           ;; Run bootstrap ahead of time so that shebangs get patched.
           (lambda _
             (setenv "CONFIG_SHELL" (which "sh"))
             (setenv "NOCONFIGURE" "1")
             ;; Patch the Makefile so that it doesn't bootstrap again.
             (substitute* "gtk/module.rules"
               ((".*autogen\\.sh.*") ""))
             (zero? (system* "sh" "./gtk/autogen.sh"))))
         (add-before 'configure 'disable-contrib
           (lambda _
             (substitute* "make/include/main.defs"
               ;; Disable unconditional inclusion of some "contrib"
               ;; libraries (ffmpeg, libvpx, libdvdread, libdvdnav,
               ;; and libbluray), which would lead to fetching and
               ;; building of these libraries.  Use our own instead.
               (("MODULES \\+= contrib") "# MODULES += contrib"))
             #t))
         (add-before 'configure 'fix-x265-linking
           (lambda _
             (substitute* "test/module.defs"
               ;; Fix missing library during linking error
               (("TEST.GCC.l =") "TEST.GCC.l = x265"))
             #t))
         (replace 'configure
           (lambda* (#:key outputs configure-flags #:allow-other-keys)
             ;; 'configure' is not an autoconf-generated script, and
             ;; errors on unrecognized arguments,
             ;; e.g. --enable-fast-install
             (let ((out (assoc-ref outputs "out")))
               (zero? (apply system* "./configure"
                             (string-append "--prefix=" out)
                             (or configure-flags '()))))))
         (add-after 'configure 'chdir-build
           (lambda _ (chdir "./build") #t)))))
    (home-page "https://handbrake.fr")
    (synopsis "Video transcoder")
    (description
     "HandBrake is a tool for converting video from any format to a selection
of modern, widely supported codecs.")
    ;; Most under GPL version 2 or later, and portions under BSD 3 Clause
    (license (list license:gpl2+ license:bsd-3))))

(define-public openh264
  (package
    (name "openh264")
    (version "1.6.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/cisco/"
                                  name "/archive/v" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1ix2fhk62i4q4kbnkl0gfk4x53vxqavsn0pck1pashr566zhglv5"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("nasm" ,nasm)
       ("python" ,python)))
    (arguments
     '(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
       #:test-target "test"
       #:phases (modify-phases %standard-phases
                  ;; no configure script
                  (delete 'configure))))
    (home-page "http://www.openh264.org/")
    (synopsis "H264 decoder library")
    (description
     "Openh264 is a library which can decode H264 video streams.")
    (license license:bsd-2)))

(define-public libmp4v2
  (package
    (name "libmp4v2")
    (version "2.0.0")
    (source
     (origin
       (method url-fetch)
       ;; XXX: The new location of upstream is uncertain and will become relevant the
       ;; moment when the googlecode archive shuts down. It is past the date it
       ;; should've been turned off. I tried to communicate with upstream, but this
       ;; wasn't very responsive and not very helpful. The short summary is, it is
       ;; chaos when it comes to the amount of forks and only time will tell where
       ;; the new upstream location is.
       (uri (string-append "https://storage.googleapis.com/google-"
                           "code-archive-downloads/v2/"
                           "code.google.com/mp4v2/mp4v2-" version ".tar.bz2"))
       (file-name (string-append name "-" version ".tar.bz2"))
       (sha256
        (base32
         "0f438bimimsvxjbdp4vsr8hjw2nwggmhaxgcw07g2z361fkbj683"))))
    (build-system gnu-build-system)
    (outputs '("out"
               "static")) ; 3.7MiB .a file
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'remove-dates
           (lambda _
             ;; Make the build reproducible.
             (substitute* "configure"
               (("PROJECT_build=\"`date`\"") "PROJECT_build=\"\"")
               (("ac_abs_top_builddir=$ac_pwd") "ac_abs_top_builddir=\"\""))
             #t))
         (add-after 'install 'move-static-libraries
           (lambda* (#:key outputs #:allow-other-keys)
             ;; Move static libraries to the "static" output.
             (let* ((out    (assoc-ref outputs "out"))
                    (lib    (string-append out "/lib"))
                    (static (assoc-ref outputs "static"))
                    (slib   (string-append static "/lib")))
               (mkdir-p slib)
               (for-each (lambda (file)
                           (install-file file slib)
                           (delete-file file))
                         (find-files lib "\\.a$"))
               #t))))))
    (native-inputs
     `(("help2man" ,help2man)
       ("dejagnu" ,dejagnu)))
    (home-page "https://code.google.com/archive/p/mp4v2/")
    (synopsis "API to create and modify mp4 files")
    (description
     "The MP4v2 library provides an API to create and modify mp4 files as defined by
ISO-IEC:14496-1:2001 MPEG-4 Systems.  This file format is derived from Apple's QuickTime
file format that has been used as a multimedia file format in a variety of platforms and
applications.  It is a very powerful and extensible format that can accommodate
practically any type of media.")
    (license license:mpl1.1)))