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126 commits

Author SHA1 Message Date
Jaroslav Kysela
4a4cc2a301 The rate plugin was redesigned. Now only whole periods are resampled to 
avoid rounding problems and to allow using other "block" algorithms.
 2004-02-04 09:21:11 +00:00
Jaroslav Kysela
8bda6292d8 Added missing break; 2004-01-27 13:08:16 +00:00
Jaroslav Kysela
0f88788f8b Preparation for more rate conversion types 2004-01-24 16:23:11 +00:00
Takashi Iwai
1adfe9fd0d corrections in the last changes. 
samples are exapnded properly in linear interpolation now.
 2003-09-10 11:02:57 +00:00
Jaroslav Kysela
668a300229 A try to fix the expand function from Takashi 2003-09-09 19:04:22 +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
157107491c Added snd_pcm_type_name() 
Fixed rate conversion plugin (SIGSEGV) - rounding problem
 2003-03-08 16:35:18 +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
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
677b0f60d6 Added snd_pcm_hw_params_get_min_align; changed get_format, get_subformat and get_access function to return not mixed error and return value 2002-09-09 19:47:50 +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
b559c97833 Linear interpolation fix by Takashi 2002-03-12 19:22:43 +00:00
Jaroslav Kysela
76712fb46b Cleanups in expand() 2002-03-11 18:56:34 +00:00
Jaroslav Kysela
22bd1c328a Added proper initialization for expand, added corrections for sw_params (checks for period_size and buffer_size) 2002-03-11 14:59:11 +00:00
Takashi Iwai
0d4df92f80 fixed xrun problems with rate conversion. 2002-03-11 12:49:57 +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
5dc9be757c Fixed snd_pcm_rate_client_frames when frames == 0 2002-02-01 20:11:05 +00:00
Jaroslav Kysela
2cc79806a2 Added description of shm, null and rate plugins 2002-01-22 14:27:25 +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
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
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
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
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
Abramo Bagnara
82fcfe1ab5 pcm_share cleaning 2001-03-21 16:31:31 +00:00
Abramo Bagnara
a275d66356 Improved .asoundrc changes 2001-03-17 16:34:43 +00:00
Abramo Bagnara
5e2c5cab92 Removed obsolete code 2001-03-08 14:21:15 +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
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
Abramo Bagnara
3e091c8822 Encapsulated conf API 2001-02-07 11:34:33 +00:00
Abramo Bagnara
8f0cb26fdf Control API encapsulation. Better names for kernel API. Simpler PCM hw_params API. Added missing const. 2001-02-06 23:48:10 +00:00
Abramo Bagnara
5bf23ae9a1 Encapsulated hwdep. Converted all enums to type safety 2001-02-05 15:44:42 +00:00
Abramo Bagnara
4ecd9eaa46 Fixed some typos 2001-02-04 22:59:24 +00:00
Abramo Bagnara
4c9fd35a60 Added missing rawmidi functions. Cleaned PCM use of masks 2001-02-04 18:57:05 +00:00
Abramo Bagnara
a7561a9c7e Corrected and completed encapsulation for PCM and rawmidi. Remove SND_PCM_HW_PARAM_* and use functions. Separated rawmidi info between streams 2001-02-04 17:03:17 +00:00
Abramo Bagnara
de19407578 Removed card type from devices info. Added card number to devices info. Completed encapsulation of PCM API. Removed snd_pcm_card(). All copy functions now have the form copy(dst, src). 2001-01-31 17:26:56 +00:00
Abramo Bagnara
8712ffc6a5 Added snd_ prefix to mask and interval. Divided header.h wrappers 2001-01-30 16:51:26 +00:00
Abramo Bagnara
c07201926b Promoted plugin helpers to general use 2001-01-26 09:56:30 +00:00
Abramo Bagnara
5c84940c1f Fixed useless insertion of copy plugin. Fixed sw_params for pcm_plug 2001-01-22 09:27:50 +00:00
Abramo Bagnara
199452ae8b buffer_size weak link fixed 2001-01-19 18:28:50 +00:00