Lennart Poettering
15769ead72
fix type of internally used sframes variable, to avoid unnecessary casts
...
This minor patch fixes the type of the sframes variable in
snd_pcm_plugin_forward(). With this fix we need to cast less and the
code is less confusing.
Signed-off-by: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-07-20 17:26:55 +02:00
Lennart Poettering
0fbfe2d8d6
clamp snd_pcm_rewind()/snd_pcm_forward() into the right direction
...
The clamping of the input parameter in snd_pcm_rewind()/_forward() is
in the wrong direction.
Signed-off-by: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-07-20 17:25:53 +02:00
Jaroslav Kysela
c88672d86f
implemented snd_pcm_rewindable() and snd_pcm_forwardable(), removed can_rewind and can_forward
2008-04-21 12:46:50 +02:00
Jaroslav Kysela
2c1318803f
Impemented snd_pcm_htimestamp() function.
2008-01-09 13:50:45 +01:00
Jaroslav Kysela
d25e281230
Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz
2007-10-15 10:24:55 +02:00
Takashi Iwai
8048321c76
More better fix for linked start/stop
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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
ff176aa01a
Make plugin functions static
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Make plugin functions that are not referred from others static.
2006-03-29 09:35:14 +00:00
Takashi Iwai
18a6132a66
Fix PCM without control/status mmap
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Fix the update of appl_ptr via mmap_commit when control/status structs
are not mmapped (e.g. 32bit compatible mode on 64bit kernel).
2006-03-29 09:32:18 +00:00
Takashi Iwai
dd37bb20ee
Move poll_* callbacks to fast_ops
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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
Jaroslav Kysela
412fb54e0d
Fedora 4 patch - gcc4 fixes
2005-05-06 14:09:17 +00:00
Jaroslav Kysela
836987aa99
improved stream linking and plugin code cleanups
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- added link/unlink/link_fd fast_ops callbacks
- moved code from snd_pcm_link to pcm_hw.c
- moved "empty" routines pointing to slave to pcm_generic.c
- introduced snd_pcm_generic_t
2005-01-20 15:07:51 +00:00
Takashi Iwai
2b54677fdb
Change error message handling
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Change the handling of non-fatal errors. Now the non-fatal error
messages are not shown in stderr and no assert() as default. The
behavior can be changed with LIBASOUND_DEBUG environment variable.
2004-12-21 14:11:00 +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
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>:
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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:
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- 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
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(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
