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18 commits

Author SHA1 Message Date
Takashi Iwai
504a2e34a4 Fix compile warnings 
Fix compile warnings by adding cast.
 2006-03-29 09:29:44 +00:00
Juergen Kreileder
5ba4634ab5 Add support for S32_3LE and byte-swapped S16/S32 to softvol 
Here's a patch which adds support for S24_3LE and byte-swapped S16 and
S32 to softvol.  I've tested S24_3LE and byte-swapped S16 on powerpc
with snd-usb-audio.  All other cases are untested so far.
(Config at http://blog.blackdown.de/static/alsa/USB-Audio.conf)

Signed-off-by: Juergen Kreileder <jk@blackdown.de>
 2006-03-21 16:55:25 +00:00
Takashi Iwai
eccc92a34d Fix infinite parse of recursive definitions 
Fixed the infinite parse (and eventually segfault) of recursive definitions.
Also fixed the parse of a string slave PCM of direct plugins.
 2006-01-30 14:41:51 +00:00
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
087184b0f9 Fix doxygen documents 
Fix the warnings of doxygen parsing.
Add some missing documentation.
 2005-05-24 14:14:28 +00:00
Takashi Iwai
dd37bb20ee Move poll_* callbacks to fast_ops 
Moved poll_* callbacks to fast_ops.
These callbacks may be called frequently indeed.
 2005-05-23 09:03:16 +00:00
Takashi Iwai
842b573424 Add poll_descriptors and poll_descriptors_count callbacks 
Added poll_descriptors and poll_descriptors_count callbacks for multiple
poll_fd's.
 2005-05-18 10:45:06 +00:00
Takashi Iwai
73008debc3 Add snd_pcm_parse_control_id() 
Added a new function snd_pcm_parse_control_id() for the user controls.
This can be used in external plugins, too.
 2005-03-09 11:57:54 +00:00
Takashi Iwai
145f85fff8 Accept string type card 
Accept string type card entry to be compatible with others.
 2005-02-22 20:21:23 +00:00
Takashi Iwai
7e74f2ef1b Fix the available formats 
Fixed the available formats to be set in hw_refine.
 2005-01-21 19:38:10 +00:00
Jaroslav Kysela
836987aa99 improved stream linking and plugin code cleanups 
- 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
ff9c030e65 Use snd_config_get_bool() 
Clean up the code, using snd_config_get_bool().
 2005-01-13 15:46:34 +00:00
Takashi Iwai
5211c26927 Fix compile warning 
Fixed compile warning due to signed/unsigned comparison.
 2005-01-12 11:19:47 +00:00
Takashi Iwai
c7feb066b1 Support stereo volume control 
softvol supports stereo volume controls.
Fixed the dB calculation, too.
 2005-01-04 11:37:29 +00:00
Takashi Iwai
82e408d08b Set max volume as default for softvol 
Set max volume as default for softvol.
 2005-01-03 17:12:51 +00:00
Takashi Iwai
199d207423 Change the behavior with hardware volume controls 
When a hardware volume control is given, softvol plugin simply
passes the slave PCM without any additional changes.
 2005-01-03 14:37:39 +00:00
Takashi Iwai
0732cce6f0 Add accessor to user control elements 
Added accessor functions to user control elements, snd_ctl_elem_add_*(),
and_ctl_elem_remove() and snd_ctl_elem_info_is_user().
 2005-01-03 11:52:39 +00:00
Takashi Iwai
30f35c1f7a Add softvol PCM plugin 
The softvol PCM plugin is added.  It applies the software volume attenuation,
which may be useful for codecs without volume controls.

Currently, the control is only mono.  The attenuation is applied to all
channels equally.  The control is probed and automatically created
when not exists yet.
 2004-12-27 14:40:19 +00:00