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  1.  
  2. #
  3. # ALSA library configuration file
  4. #
  6. # pre-load the configuration files
  8. @hooks [
  9. {
  10. func load
  11. files [
  12. {
  13. @func concat
  14. strings [
  15. { @func datadir }
  16. "/alsa.conf.d/"
  17. ]
  18. }
  19. "/etc/asound.conf"
  20. "~/.asoundrc"
  21. ]
  22. errors false
  23. }
  24. ]
  26. # load card-specific configuration files (on request)
  28. cards.@hooks [
  29. {
  30. func load
  31. files [
  32. {
  33. @func concat
  34. strings [
  35. { @func datadir }
  36. "/cards/aliases.conf"
  37. ]
  38. }
  39. ]
  40. }
  41. {
  42. func load_for_all_cards
  43. files [
  44. {
  45. @func concat
  46. strings [
  47. { @func datadir }
  48. "/cards/"
  49. { @func private_string }
  50. ".conf"
  51. ]
  52. }
  53. ]
  54. errors false
  55. }
  56. ]
  58. #
  59. # defaults
  60. #
  62. # show all name hints also for definitions without hint {} section
  63. defaults.namehint.showall off
  64. # show just basic name hints
  65. defaults.namehint.basic on
  66. # show extended name hints
  67. defaults.namehint.extended off
  68. #
  69. defaults.ctl.card 0
  70. defaults.pcm.card 0
  71. defaults.pcm.device 0
  72. defaults.pcm.subdevice -1
  73. defaults.pcm.nonblock 1
  74. defaults.pcm.compat 0
  75. defaults.pcm.minperiodtime 5000 # in us
  76. defaults.pcm.ipc_key 5678293
  77. defaults.pcm.ipc_gid audio
  78. defaults.pcm.ipc_perm 0660
  79. defaults.pcm.dmix.max_periods 0
  80. defaults.pcm.dmix.rate 48000
  81. defaults.pcm.dmix.format "unchanged"
  82. defaults.pcm.dmix.card defaults.pcm.card
  83. defaults.pcm.dmix.device defaults.pcm.device
  84. defaults.pcm.dsnoop.card defaults.pcm.card
  85. defaults.pcm.dsnoop.device defaults.pcm.device
  86. defaults.pcm.front.card defaults.pcm.card
  87. defaults.pcm.front.device defaults.pcm.device
  88. defaults.pcm.rear.card defaults.pcm.card
  89. defaults.pcm.rear.device defaults.pcm.device
  90. defaults.pcm.center_lfe.card defaults.pcm.card
  91. defaults.pcm.center_lfe.device defaults.pcm.device
  92. defaults.pcm.side.card defaults.pcm.card
  93. defaults.pcm.side.device defaults.pcm.device
  94. defaults.pcm.surround21.card defaults.pcm.card
  95. defaults.pcm.surround21.device defaults.pcm.device
  96. defaults.pcm.surround40.card defaults.pcm.card
  97. defaults.pcm.surround40.device defaults.pcm.device
  98. defaults.pcm.surround41.card defaults.pcm.card
  99. defaults.pcm.surround41.device defaults.pcm.device
  100. defaults.pcm.surround50.card defaults.pcm.card
  101. defaults.pcm.surround50.device defaults.pcm.device
  102. defaults.pcm.surround51.card defaults.pcm.card
  103. defaults.pcm.surround51.device defaults.pcm.device
  104. defaults.pcm.surround71.card defaults.pcm.card
  105. defaults.pcm.surround71.device defaults.pcm.device
  106. defaults.pcm.iec958.card defaults.pcm.card
  107. defaults.pcm.iec958.device defaults.pcm.device
  108. defaults.pcm.modem.card defaults.pcm.card
  109. defaults.pcm.modem.device defaults.pcm.device
  110. # truncate files via file or tee PCM
  111. defaults.pcm.file_format "raw"
  112. defaults.pcm.file_truncate true
  113. defaults.rawmidi.card 0
  114. defaults.rawmidi.device 0
  115. defaults.rawmidi.subdevice -1
  116. defaults.hwdep.card 0
  117. defaults.hwdep.device 0
  118. defaults.timer.class 2
  119. defaults.timer.sclass 0
  120. defaults.timer.card 0
  121. defaults.timer.device 0
  122. defaults.timer.subdevice 0
  124. #
  125. # PCM interface
  126. #
  128. # redirect to load-on-demand extended pcm definitions
  129. pcm.cards cards.pcm
  131. pcm.default cards.pcm.default
  132. pcm.sysdefault cards.pcm.default
  133. pcm.front cards.pcm.front
  134. pcm.rear cards.pcm.rear
  135. pcm.center_lfe cards.pcm.center_lfe
  136. pcm.side cards.pcm.side
  137. pcm.surround21 cards.pcm.surround21
  138. pcm.surround40 cards.pcm.surround40
  139. pcm.surround41 cards.pcm.surround41
  140. pcm.surround50 cards.pcm.surround50
  141. pcm.surround51 cards.pcm.surround51
  142. pcm.surround71 cards.pcm.surround71
  143. pcm.iec958 cards.pcm.iec958
  144. pcm.spdif iec958
  145. pcm.hdmi cards.pcm.hdmi
  146. pcm.dmix cards.pcm.dmix
  147. pcm.dsnoop cards.pcm.dsnoop
  148. pcm.modem cards.pcm.modem
  149. pcm.phoneline cards.pcm.phoneline
  151. pcm.hw {
  152. @args [ CARD DEV SUBDEV ]
  153. @args.CARD {
  154. type string
  155. default {
  156. @func getenv
  157. vars [
  158. ALSA_PCM_CARD
  159. ALSA_CARD
  160. ]
  161. default {
  162. @func refer
  163. name defaults.pcm.card
  164. }
  165. }
  166. }
  167. @args.DEV {
  168. type integer
  169. default {
  170. @func igetenv
  171. vars [
  172. ALSA_PCM_DEVICE
  173. ]
  174. default {
  175. @func refer
  176. name defaults.pcm.device
  177. }
  178. }
  179. }
  180. @args.SUBDEV {
  181. type integer
  182. default {
  183. @func refer
  184. name defaults.pcm.subdevice
  185. }
  186. }
  187. type hw
  188. card $CARD
  189. device $DEV
  190. subdevice $SUBDEV
  191. hint {
  192. show {
  193. @func refer
  194. name defaults.namehint.extended
  195. }
  196. description "Direct hardware device without any conversions"
  197. }
  198. }
  200. pcm.plughw {
  201. @args [ CARD DEV SUBDEV ]
  202. @args.CARD {
  203. type string
  204. default {
  205. @func getenv
  206. vars [
  207. ALSA_PCM_CARD
  208. ALSA_CARD
  209. ]
  210. default {
  211. @func refer
  212. name defaults.pcm.card
  213. }
  214. }
  215. }
  216. @args.DEV {
  217. type integer
  218. default {
  219. @func igetenv
  220. vars [
  221. ALSA_PCM_DEVICE
  222. ]
  223. default {
  224. @func refer
  225. name defaults.pcm.device
  226. }
  227. }
  228. }
  229. @args.SUBDEV {
  230. type integer
  231. default {
  232. @func refer
  233. name defaults.pcm.subdevice
  234. }
  235. }
  236. type plug
  237. slave.pcm {
  238. type hw
  239. card $CARD
  240. device $DEV
  241. subdevice $SUBDEV
  242. }
  243. hint {
  244. show {
  245. @func refer
  246. name defaults.namehint.extended
  247. }
  248. description "Hardware device with all software conversions"
  249. }
  250. }
  252. pcm.plug {
  253. @args [ SLAVE ]
  254. @args.SLAVE {
  255. type string
  256. }
  257. type plug
  258. slave.pcm $SLAVE
  259. }
  261. pcm.shm {
  262. @args [ SOCKET PCM ]
  263. @args.SOCKET {
  264. type string
  265. }
  266. @args.PCM {
  267. type string
  268. }
  269. type shm
  270. server $SOCKET
  271. pcm $PCM
  272. }
  274. pcm.tee {
  275. @args [ SLAVE FILE FORMAT ]
  276. @args.SLAVE {
  277. type string
  278. }
  279. @args.FILE {
  280. type string
  281. }
  282. @args.FORMAT {
  283. type string
  284. default {
  285. @func refer
  286. name defaults.pcm.file_format
  287. }
  288. }
  289. type file
  290. slave.pcm $SLAVE
  291. file $FILE
  292. format $FORMAT
  293. truncate {
  294. @func refer
  295. name defaults.pcm.file_truncate
  296. }
  297. }
  299. pcm.file {
  300. @args [ FILE FORMAT ]
  301. @args.FILE {
  302. type string
  303. }
  304. @args.FORMAT {
  305. type string
  306. default {
  307. @func refer
  308. name defaults.pcm.file_format
  309. }
  310. }
  311. type file
  312. slave.pcm null
  313. file $FILE
  314. format $FORMAT
  315. truncate {
  316. @func refer
  317. name defaults.pcm.file_truncate
  318. }
  319. }
  321. pcm.null {
  322. type null
  323. hint {
  324. show {
  325. @func refer
  326. name defaults.namehint.basic
  327. }
  328. description "Discard all samples (playback) or generate zero samples (capture)"
  329. }
  330. }
  332. #
  333. # Control interface
  334. #
  336. ctl.sysdefault {
  337. type hw
  338. card {
  339. @func getenv
  340. vars [
  341. ALSA_CTL_CARD
  342. ALSA_CARD
  343. ]
  344. default {
  345. @func refer
  346. name defaults.ctl.card
  347. }
  348. }
  349. hint.description "Default control device"
  350. }
  351. ctl.default ctl.sysdefault
  353. ctl.hw {
  354. @args [ CARD ]
  355. @args.CARD {
  356. type string
  357. default {
  358. @func getenv
  359. vars [
  360. ALSA_CTL_CARD
  361. ALSA_CARD
  362. ]
  363. default {
  364. @func refer
  365. name defaults.ctl.card
  366. }
  367. }
  368. }
  369. type hw
  370. card $CARD
  371. hint.description "Direct control device"
  372. }
  374. ctl.shm {
  375. @args [ SOCKET CTL ]
  376. @args.SOCKET {
  377. type string
  378. }
  379. @args.CTL {
  380. type string
  381. }
  382. type shm
  383. server $SOCKET
  384. ctl $CTL
  385. }
  387. #
  388. # RawMidi interface
  389. #
  391. rawmidi.default {
  392. type hw
  393. card {
  394. @func getenv
  395. vars [
  396. ALSA_RAWMIDI_CARD
  397. ALSA_CARD
  398. ]
  399. default {
  400. @func refer
  401. name defaults.rawmidi.card
  402. }
  403. }
  404. device {
  405. @func igetenv
  406. vars [
  407. ALSA_RAWMIDI_DEVICE
  408. ]
  409. default {
  410. @func refer
  411. name defaults.rawmidi.device
  412. }
  413. }
  414. hint.description "Default raw MIDI device"
  415. }
  417. rawmidi.hw {
  418. @args [ CARD DEV SUBDEV ]
  419. @args.CARD {
  420. type string
  421. default {
  422. @func getenv
  423. vars [
  424. ALSA_RAWMIDI_CARD
  425. ALSA_CARD
  426. ]
  427. default {
  428. @func refer
  429. name defaults.rawmidi.card
  430. }
  431. }
  432. }
  433. @args.DEV {
  434. type integer
  435. default {
  436. @func igetenv
  437. vars [
  438. ALSA_RAWMIDI_DEVICE
  439. ]
  440. default {
  441. @func refer
  442. name defaults.rawmidi.device
  443. }
  444. }
  445. }
  446. @args.SUBDEV {
  447. type integer
  448. default -1
  449. }
  450. type hw
  451. card $CARD
  452. device $DEV
  453. subdevice $SUBDEV
  454. hint {
  455. description "Direct rawmidi driver device"
  456. device $DEV
  457. }
  458. }
  460. rawmidi.virtual {
  461. @args [ MERGE ]
  462. @args.MERGE {
  463. type string
  464. default 1
  465. }
  466. type virtual
  467. merge $MERGE
  468. }
  470. #
  471. # Sequencer interface
  472. #
  474. seq.default {
  475. type hw
  476. hint.description "Default sequencer device"
  477. }
  479. seq.hw {
  480. type hw
  481. }
  483. #
  484. # HwDep interface
  485. #
  487. hwdep.default {
  488. type hw
  489. card {
  490. @func getenv
  491. vars [
  492. ALSA_HWDEP_CARD
  493. ALSA_CARD
  494. ]
  495. default {
  496. @func refer
  497. name defaults.hwdep.card
  498. }
  499. }
  500. device {
  501. @func igetenv
  502. vars [
  503. ALSA_HWDEP_DEVICE
  504. ]
  505. default {
  506. @func refer
  507. name defaults.hwdep.device
  508. }
  509. }
  510. hint.description "Default hardware dependent device"
  511. }
  513. hwdep.hw {
  514. @args [ CARD DEV ]
  515. @args.CARD {
  516. type string
  517. default {
  518. @func getenv
  519. vars [
  520. ALSA_HWDEP_CARD
  521. ALSA_CARD
  522. ]
  523. default {
  524. @func refer
  525. name defaults.hwdep.card
  526. }
  527. }
  528. }
  529. @args.DEV {
  530. type integer
  531. default {
  532. @func igetenv
  533. vars [
  534. ALSA_HWDEP_DEVICE
  535. ]
  536. default {
  537. @func refer
  538. name defaults.hwdep.device
  539. }
  540. }
  541. }
  542. type hw
  543. card $CARD
  544. device $DEV
  545. hint {
  546. description "Direct hardware dependent device"
  547. device $DEV
  548. }
  549. }
  551. #
  552. # Timer interface
  553. #
  555. timer_query.default {
  556. type hw
  557. }
  559. timer_query.hw {
  560. type hw
  561. }
  563. timer.default {
  564. type hw
  565. class {
  566. @func refer
  567. name defaults.timer.class
  568. }
  569. sclass {
  570. @func refer
  571. name defaults.timer.sclass
  572. }
  573. card {
  574. @func refer
  575. name defaults.timer.card
  576. }
  577. device {
  578. @func refer
  579. name defaults.timer.device
  580. }
  581. subdevice {
  582. @func refer
  583. name defaults.timer.subdevice
  584. }
  585. hint.description "Default timer device"
  586. }
  588. timer.hw {
  589. @args [ CLASS SCLASS CARD DEV SUBDEV ]
  590. @args.CLASS {
  591. type integer
  592. default {
  593. @func refer
  594. name defaults.timer.class
  595. }
  596. }
  597. @args.SCLASS {
  598. type integer
  599. default {
  600. @func refer
  601. name defaults.timer.sclass
  602. }
  603. }
  604. @args.CARD {
  605. type string
  606. default {
  607. @func refer
  608. name defaults.timer.card
  609. }
  610. }
  611. @args.DEV {
  612. type integer
  613. default {
  614. @func refer
  615. name defaults.timer.device
  616. }
  617. }
  618. @args.SUBDEV {
  619. type integer
  620. default {
  621. @func refer
  622. name defaults.timer.subdevice
  623. }
  624. }
  625. type hw
  626. class $CLASS
  627. sclass $SCLASS
  628. card $CARD
  629. device $DEV
  630. subdevice $SUBDEV
  631. hint {
  632. description "Direct timer device"
  633. device $DEV
  634. }
  635. }
  636.  
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