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
Takashi Iwai
8bcadcb2a6
- fixed the calculation of snd_pcm_avail() with plugin.
...
this will fix the slow playback problem on mplayer.
- the delay calculation is optimized a bit.
2003-10-30 18:46:32 +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
157107491c
Added snd_pcm_type_name()
...
Fixed rate conversion plugin (SIGSEGV) - rounding problem
2003-03-08 16:35:18 +00:00
Jaroslav Kysela
7ecb338398
Use internal snd_pcm_forward() version...
2003-03-07 18:46:25 +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
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
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
12e89c5307
fixed compile warning (conversion between signed and unsigned).
2002-06-18 16:06:14 +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
6746dabeb1
Fixed capture for plugins
2002-04-16 19:24:58 +00:00
Jaroslav Kysela
c31a3bff06
Fixed typo
2002-03-11 13:19:28 +00:00
Takashi Iwai
9fc594f47b
fixed segfault in rate conversions.
2002-03-08 14:29:09 +00:00
Jaroslav Kysela
aeeb396002
Added abort when no more frames can be processed
2002-03-03 09:24:14 +00:00
Jaroslav Kysela
4a0e9058a9
Fixed xfer variable initialization for capture in avail_update()
2002-02-21 15:03:50 +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
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
b7b11c3558
- added snd_pcm_mmap_begin_avail function; it is optimized for use after
...
snd_pcm_avail_update() call
- fixed broken hw_ptr management inside snd_pcm_plugin code
2001-12-09 18:41:23 +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
3c59c6b11d
Added power management functions and defines.
2001-09-26 13:57:04 +00:00
Abramo Bagnara
c51095434d
Fixed missing frames count initialization
2001-06-30 08:24:41 +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
d87059867b
Added pcm_meter skeleton
2001-03-01 22:47:34 +00:00
Abramo Bagnara
a02e742609
Added multithread aware status for plugins
2001-02-27 18:21:31 +00:00
Abramo Bagnara
3196ef28ae
Typo
2001-02-27 17:02:56 +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
a83b209df2
Fixed repeated prepare call
2001-02-05 09:35:17 +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
c07201926b
Promoted plugin helpers to general use
2001-01-26 09:56:30 +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
Abramo Bagnara
cc90e32557
New PCM model with fragment concept removal and two interrupt sources
...
Renamed size_t/ssize_t to snd_pcm_sframes_t/snd_pcm_uframes_t
2001-01-15 11:06:53 +00:00
Abramo Bagnara
7e4938fa0e
Use enum instead of #define where appropriate
2001-01-08 15:31:34 +00:00
Abramo Bagnara
8f1b27dfb8
PCM API cleaning. silencing implementation. xfer_min removal
2000-12-29 15:00:53 +00:00
Jaroslav Kysela
9acdef38c9
Added snd_*_card() functions.
2000-12-22 14:03:01 +00:00
Jaroslav Kysela
c268a4bf56
Removed dig_info & dig_params..
2000-12-21 21:52:40 +00:00
Abramo Bagnara
5860beac69
Some cleaning to mmap
2000-12-11 15:54:55 +00:00
Abramo Bagnara
8c080ce9dd
Added snd_pcm_reset to API
2000-11-24 17:08:03 +00:00
Jaroslav Kysela
41bb7068f2
Merged pcmfinal branch.
2000-11-20 20:10:46 +00:00
