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Author SHA1 Message Date
Takashi Iwai
8048321c76 More better fix for linked start/stop 
Instead of link_fd, more generic callback link_slaves is introduced.
This is called for linking the slave streams as the source to the
given master stream.
 2007-03-13 02:52:33 +01:00
Takashi Iwai
1753ae794f Fix start/stop of multi plugin 
The start/stop of sync'ed stream of multi plugin.
This should make some JACK users with multiple devices happier.
 2007-03-13 00:40:22 +01:00
Takashi Iwai
a2ee8e20e8 Fix 32/64bit problem with multi plugin 
Fix the problems of multi plugin with 32bit apps on 64bit kernel.
The forward/backward of hw plugin are fixed, too.
 2006-04-06 18:55:59 +02:00
Clemens Ladisch
4433248bf3 remove superfluous free() checks 
free() correctly handles NULL pointers, so we can omit explicit checks
for that condition.
 2006-02-27 09:58:32 +00:00
Takashi Iwai
eccc92a34d Fix infinite parse of recursive definitions 
Fixed the infinite parse (and eventually segfault) of recursive definitions.
Also fixed the parse of a string slave PCM of direct plugins.
 2006-01-30 14:41:51 +00:00
Jaroslav Kysela
bdfbbed5ca pcm dump() routines update: use spaces to indent texts 2005-12-11 08:24:13 +00:00
Jaroslav Kysela
555b870760 pcm_multi: Increased maximum slave channels to 64 
From: Joachim Deguara <dga@idmt.fraunhofer.de>
 2005-06-10 09:23:40 +00:00
Takashi Iwai
dd37bb20ee Move poll_* callbacks to fast_ops 
Moved poll_* callbacks to fast_ops.
These callbacks may be called frequently indeed.
 2005-05-23 09:03:16 +00:00
Takashi Iwai
a6d3b9e4e0 Remove poll_ask callback 
Removed poll_ask callbacks.
poll_ask function is merged to poll_descriptors callbacks.
 2005-05-18 10:50:09 +00:00
Takashi Iwai
842b573424 Add poll_descriptors and poll_descriptors_count callbacks 
Added poll_descriptors and poll_descriptors_count callbacks for multiple
poll_fd's.
 2005-05-18 10:45:06 +00:00
Jaroslav Kysela
a5831c7300 The stream linking problem for pcm_multi.c should be fixed now 
- extended link_fd callback
- added snd_pcm_generic_link2()
- added _snd_pcm_link_descriptors()
 2005-01-20 18:37:13 +00:00
Takashi Iwai
5a2c2e0295 fixed unneeded cast. 2004-05-21 15:10:58 +00:00
Jaroslav Kysela
7c201b510a - added poll_ask callback to mangle avail_min (rate_plugin as example) 
- added mangling of avail_min to rate_plugin
- added poll_fd_count variable
- FIXME: move poll_revents callback to fast_ops
 2004-03-17 11:48:14 +00:00
Takashi Iwai
d91948db49 - check the return value of malloc & co. 2004-02-25 11:24:29 +00:00
Takashi Iwai
cdb9bc5139 added more documents and examples about plugins. 2003-10-23 14:42:47 +00:00
Takashi Iwai
7716fd1e3d fixes by Art Haas <ahaas@airmail.net>: 
rewritten with C99 struct initialization style.
 2003-07-25 17:02:00 +00:00
Jaroslav Kysela
7ecb338398 Use internal snd_pcm_forward() version... 2003-03-07 18:46:25 +00:00
Jaroslav Kysela
2dab1dfbc3 Removed snd_pcm_hwptr(). 
Added snd_pcm_hwdiff() and snd_pcm_forward().
Returned the behaviour for snd_pcm_mmap_begin().
 2003-02-22 17:19:02 +00:00
Jaroslav Kysela
fbd99fdec0 Added snd_pcm_hwptr() and enhanced snd_pcm_mmap_begin() for no xrun mode. 2003-02-22 10:19:53 +00:00
Jaroslav Kysela
af89cefd99 More changes for dmix plugin: 
- added poll_events to main pcm structure
  - added poll_revents callback to pcm->ops structure
  - fixed snd_pcm_wait() - call revents function and enhanced
    error code reporting
DMIX plugin:
  - more complete code (works at least for one instance)
  - still no "mix" code (it's silent)
 2003-02-11 18:14:43 +00:00
Jaroslav Kysela
8205a95376 Replaced snd_pcm_avail() with snd_pcm_hwsync() 2002-10-12 11:49:53 +00:00
Jaroslav Kysela
e859cf2644 Implemented snd_pcm_avail() function. 
More documentation updates for snd_pcm_avail_update() and snd_pcm_delay().
Updated behaviour of read/write functions (wait when buffer is full) to
follow kernel.
 2002-10-11 18:39:24 +00:00
Jaroslav Kysela
c941c548f8 Moved ring buffer pointers and added a mechanism to transfer them via shm 2002-04-23 15:51:29 +00:00
Jaroslav Kysela
853304bbf4 Corrections by Kevin Conder <kconder@interaccess.com> 2002-03-12 20:14:33 +00:00
Jaroslav Kysela
42c4c163a3 Fixed against latest internal API 2002-02-22 08:21:18 +00:00
Jaroslav Kysela
e128bf856e Cleaned the mmap_commit implementations in plugins. 
Added undo callbacks for snd_pcm_plugin based plugins.
  - helpers when mmap_commit proceed only a partial transfer
Fixes to avail_update implementation in pcm_hw.c.
 2002-02-21 15:01:34 +00:00
Jaroslav Kysela
a24b602f28 Added initial comments for PCM plugins 2002-01-16 16:42:40 +00:00
Jaroslav Kysela
3e3df2d32b Updated GNU GPL license (address). 
Changed GNU LGPL licence from 2.0 to 2.1.
 2001-12-30 09:22:54 +00:00
Jaroslav Kysela
0917ba63b0 Changed result of mmap_commit callback 
(follows description of snd_pcm_mmap_commit function).
 2001-12-08 21:02:20 +00:00
Jaroslav Kysela
c39882f602 Configuration: 
- changed snd_config_get_id function to follow semantic of other get functions
  - added snd_config_test_id
  - added runtime pointer type (not persistent)
    - added snd_config_make_pointer, snd_config_set_pointer, snd_config_get_pointer
  - added type/contents checking for callback functions
    - changed 'void *private_data' to 'snd_config_t *private_data'
  - renamed card_strtype functions to card_driver
Control:
  - fixed passing parameters to snd_ctl_async
Async handlers:
  - added public snd_async_handler_get_signo function
Documentation:
  - moved all documentation to source files
 2001-11-19 08:14:21 +00:00
Jaroslav Kysela
27472b56a6 Changes for static build. 2001-10-24 14:14:11 +00:00
Jaroslav Kysela
3c59c6b11d Added power management functions and defines. 2001-09-26 13:57:04 +00:00
Jaroslav Kysela
b45c08611c Added symbol versioning for dlsym-callbacks. 
Removed snd_config_refer_load from confmisc.c and pcm.c.
 2001-08-15 12:12:16 +00:00
Abramo Bagnara
fcd164e622 Permit to PCM plug configuration to specify unchanged parameters. Added support for RT signals to async interface. Added ops for PCM mix. 2001-07-07 15:53:20 +00:00
Abramo Bagnara
157f47aedd New async notification API. Removed obsolete surround. Cleaning 2001-06-20 20:52:12 +00:00
Jaroslav Kysela
1e0c53a11c Added context handling for snd_config_expand. 
PCM slave configuration is now dynamic.
 2001-06-16 22:03:23 +00:00
Jaroslav Kysela
977a9a33f0 * Cleaned the alsa.conf syntax: 
- added pcm.front, pcm.rear, pcm.center_lfe blocks
* Added configuration for EMU10K1 (it's fully working one!!!)
* snd_config_redirect_load->snd_config_refer_load rename
* snd_config_search_alias code change (works also with pairs base.key)
* cleanups in the evaluate function (the function prototype has been changed)
 2001-06-15 08:47:59 +00:00
Jaroslav Kysela
bf780a25a5 Added argument handling for the slave PCMs. 
The configuration root (snd_config) can be specified for the internal routines.
The pcm_hooks code was recoded (independent code moved to control/setup.c).
Improved the pcm_multi plugin (added master configuration).
 2001-06-11 13:35:48 +00:00
Abramo Bagnara
31e403ce9d More work on pcm_hooks 2001-06-06 11:49:52 +00:00
Abramo Bagnara
7f651b3071 Added hooked PCM type (one sample hook implementation will follow). Some cleaning. 2001-06-04 18:04:18 +00:00
Abramo Bagnara
6cb24e0186 Added embedded/anonymous slave PCM definition 2001-05-14 15:44:37 +00:00
Jaroslav Kysela
2879321023 Fixed linked variable reset 2001-04-17 09:58:06 +00:00
Abramo Bagnara
6a3b962d06 Better PCM mmap API. Fixed pcm_multi 2001-04-13 15:40:53 +00:00
Abramo Bagnara
5b50ec848a Lot of cleanings with the help of gcc3 2001-03-29 17:50:28 +00:00
Abramo Bagnara
a275d66356 Improved .asoundrc changes 2001-03-17 16:34:43 +00:00
Abramo Bagnara
bbaeb29a74 Renamed ERR to SNDERR. Added s16 pseudo meter scope. Fixed plug hw_refine/params 2001-03-04 20:39:02 +00:00
Abramo Bagnara
3830b168ef Improved plugin code (simpler, faster and multithread ready) 2001-02-27 13:42:12 +00:00
Abramo Bagnara
460660d4b4 More generic support for poll descriptors 2001-02-12 23:51:49 +00:00
Abramo Bagnara
a2d3434961 Completed mixer API. Improved iterators. Renamed control values struct. Rewritten simple elements implementation 2001-02-11 15:45:35 +00:00
Abramo Bagnara
66f13f6115 Splitted rawmidi streams. Removed stream constraint on config files 2001-02-07 13:30:40 +00:00