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185 commits

Author SHA1 Message Date
Clemens Ladisch
4861d237e6 define SND_PCM_INFO_RESUME 2004-05-03 14:37:53 +00:00
Takashi Iwai
965222c3d9 fixed compile warnings. 2004-04-15 12:52:49 +00:00
Takashi Iwai
494f3e66e4 fixed the handling of EINTR in read/write. 
EINTR can be returned during ACPI suspend/resume.
 2004-04-15 12:22:26 +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
Jaroslav Kysela
131d6610fc Fixed file plugin - mmap access was broken and revents were not handled correctly 2004-02-08 10:19:52 +00:00
Takashi Iwai
08874160c8 - fixed the type punning (compilation warnings with the recent GCC). 2004-01-31 12:16:32 +00:00
Jaroslav Kysela
63c19961b9 Takashi: added shadow pcm to avoid problem with plug plugin and mmaped access 2003-08-08 09:06:41 +00:00
Jaroslav Kysela
573f85dc1d - added shm area manager code 
- fixed parsing of period_size/buffer_size options for dmix, dsnoop and
  dshare plugins
 2003-04-23 12:41:55 +00:00
Jaroslav Kysela
7b09000813 Removed snd_pcm_hwdiff() function 2003-02-22 17:53:01 +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
b5316c86cc Fixed compilation problem for dmix (donot_close) 2003-02-12 11:49:47 +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
3b6638e8ce More pcm params functions returns an error rather than do assert(). 
Some cleanups in refine.
Added more debug code to refine.
Improved dmix refine method.
 2003-02-08 16:35:24 +00:00
Jaroslav Kysela
8720faaccb Cleanups in IPC stuff. 
Cleanups in snd_pcm_close().
Added initial code for dmix plugin:
  - only skeleton, but all major problems should be solved
 2003-02-04 14:48:51 +00:00
Takashi Iwai
1b41de0653 - fixed the rate selection in the plug layer: 
the multiples of the given rate is chosen if available.
  the nearest rate is selected as usual if not available.
 2003-01-27 11:34:50 +00:00
Jaroslav Kysela
0d7d11889d Added missing snd_dlclose() calls 2002-11-07 15:18:45 +00:00
Jaroslav Kysela
6979732fa5 Changed sw_params to follow hw_params (unify functions) 2002-10-19 19:09:46 +00:00
Jaroslav Kysela
8205a95376 Replaced snd_pcm_avail() with snd_pcm_hwsync() 2002-10-12 11:49:53 +00:00
Jaroslav Kysela
dac0626b9f Added snd_pcm_hw_params_current() function and clear() functions for structures 2002-10-12 10:38:43 +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
Takashi Iwai
25e41cf1e8 fixed the build without versioned symbols. 
the rc4 symbols are defined as __ prefix, which are aliased in
pcm.h as well as the versioned symbol binary.
 2002-10-10 11:01:18 +00:00
Jaroslav Kysela
f0e5677f29 Fixed mmap_xxxx_delay() to follow kernel code 2002-10-09 06:44:45 +00:00
Jaroslav Kysela
b9343e0834 - unified snd_pcm_hw_params_* functions 
- added backward compatibility for older non-compatible functions
- added --with-compat-rc3 to configure script to build library
  backwards compatible with 0.9.0rc3
- added symbol versioning like libc.so.6
  - ALSA_0.9      - alsa base
  - ALSA_0.9.0rc4 - first set of new functions (snd_pcm_hw_params_*)
 2002-09-17 12:33:05 +00:00
Jaroslav Kysela
16b3bf447c Enhanced bitmasks in PCM - added support for more formats by Takashi and me 2002-06-26 02:04:11 +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
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
8c1887d7af Moved some prototypes from src/pcm/pcm_plugin.h to include/pcm_plugin.h. 
Merged src/pcm/atomic.h to include/iatomic.h.
Added initial description of hw and hooks plugins.
 2002-01-12 10:52:42 +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
48ae96f50c Added error passing to some refining functions to disable abort when 
no configuration can be found.
 2001-12-11 15:10:27 +00:00
Takashi Iwai
e457d1f0c0 Removed inclusion of asm/system.h 2001-12-10 16:43:20 +00:00
Jaroslav Kysela
b63e44aab0 Synchronized snd_pcm_write_areas and snd_pcm_read_areas with the kernel 
write/read functions.
Changed snd_pcm_xfer_areas_func_t to return snd_pcm_sframes_t (pass errors).
 2001-12-09 12:32:42 +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
bb749766d4 Added lfloat plugin code (not finished) 2001-11-26 16:08:49 +00:00
Jaroslav Kysela
66865e1df9 Added more ACCBIT masks 2001-11-26 15:20:32 +00:00
Jaroslav Kysela
3c59c6b11d Added power management functions and defines. 2001-09-26 13:57:04 +00:00
Jaroslav Kysela
f5709d953d Moved SND_PCM_INFO defines from asoundlib.h to pcm_local.h. 2001-07-30 12:13:49 +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
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
b72c78f887 Removed snd_ctl_pcm_surround_next_device function. 2001-05-03 15:11:35 +00:00
Abramo Bagnara
301a62f90a Improved automatic start/stop 2001-04-19 21:18:23 +00:00
Abramo Bagnara
6a3b962d06 Better PCM mmap API. Fixed pcm_multi 2001-04-13 15:40:53 +00:00
Jaroslav Kysela
c4f95f48c3 Added the surround plugin to allow simple access for 4.0 and 5.1 speakers. 
It needs a bit more work to make it functional.
 2001-04-13 10:54:56 +00:00
Abramo Bagnara
5b50ec848a Lot of cleanings with the help of gcc3 2001-03-29 17:50:28 +00:00
Abramo Bagnara
ddc9a186cf Completed PCM documentation 2001-03-24 16:14:44 +00:00