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60 commits

Author SHA1 Message Date
Takashi Iwai
91fc64cefb Implement missing htimestamp callbacks 
Implemented the missing htimestamp callbacks for ioplug, rate and null
plugins.
 2008-01-15 14:29:34 +01:00
Jaroslav Kysela
2c1318803f Impemented snd_pcm_htimestamp() function. 2008-01-09 13:50:45 +01:00
Jaroslav Kysela
309a274454 Add support for monotonic timestamps 2008-01-09 11:13:34 +01:00
Takashi Iwai
683c8bc4a2 Clean up using gettimestamp() 
Introduce a new local function gettimestamp() to get the current timestamp.
 2007-11-21 12:19:43 +01:00
Takashi Iwai
ffdb04c3ea Fix buffer allocation and mmap with plugins 
Fixed the bug producing silent tones with some combinations of plugins.
The internal buffer handling is now better (cleaner) integrated with
snd_pcm_generic_*().
 2005-09-02 16:36:40 +00:00
Takashi Iwai
7a89e3bbca Fix compile warnings with gcc-4 
Fixed compile warnings with gcc-4 about pointer signedness.
 2005-06-28 10:24:44 +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
cf6e569bd7 Code clean-up 
Small code clean-up
 2005-02-14 15:48:14 +00:00
Clemens Ladisch
e156d54c84 remove duplicate snd_pcm_null_fwd() function 2004-11-08 08:49:19 +00:00
Clemens Ladisch
fe1618627f initialize hw_params->info 2004-05-03 14:38:46 +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
18927bfe9a fixed dmix crashes by Clemens Ladisch <clemens@ladisch.de>: 
pcm->name can be NULL (when an unnamed pcm node is embedded in another
  pcm)
 2003-08-07 14:20:32 +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
cf9e518d51 Timestamp update (struct timeval -> struct timespec). 2003-02-28 17:23:28 +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
e1b91846c2 Corrected pause callback 2003-02-09 18:55:11 +00:00
Jaroslav Kysela
757785fece Added snd_timer_async() function. 
More updates to pcm_dmix.c .
 2003-02-06 19:15:53 +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
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
Takashi Iwai
9081af5d02 fixed compile warning. 2002-06-18 16:06:36 +00:00
Takashi Iwai
05b64bad5a fixed missing root argument. 
now null plugin works fine.
 2002-06-11 11:31:21 +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
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
2cc79806a2 Added description of shm, null and rate plugins 2002-01-22 14:27:25 +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
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
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
Jaroslav Kysela
c20c954f3d Added documentation for instrument and midi event functions. 
Removed snd_enum_() macros.
Documentation changes in asoundlib.h.
 2001-07-11 14:09:01 +00:00
Abramo Bagnara
157f47aedd New async notification API. Removed obsolete surround. Cleaning 2001-06-20 20:52:12 +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
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
Abramo Bagnara
5b50ec848a Lot of cleanings with the help of gcc3 2001-03-29 17:50:28 +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
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
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
f12a252f20 Added support for hw_free in alsa-lib 2001-01-19 13:10:50 +00:00
Abramo Bagnara
3126678e72 Major cleaning to hw_params mechanism for plugins 2001-01-18 18:20:31 +00:00