Module Name: src
Committed By: nat
Date: Sat May 17 12:38:42 UTC 2014
Modified Files:
src/lib/libossaudio: ossaudio.c soundcard.h
Log Message:
Adds ioctls and defines for OSSv4 compatibility.
The ioctl definitions and accompanying structures were
taken from FreeBSD's soundcard.h, hopefully providing
some binary compatibility.
The ioctls are as follows:
SNDCTL_SYSINFO: Returns a structure containing
details about the audio device.
SNDCTL_ENGINEINFO - SNDCTL_AUDIOINFO: Returns a
structure with playback/recording
characteristics.
SNDCTL_DSP_GETPLAYVOL, SNDCTL_DSP_SETPLAYVOL,
SNDCTL_DSP_GETRECVOL, SNDCTL_DSP_SETRECVOL:
Retrieves/Sets Playback/Recording volume.
SNDCTL_DSP_SKIP - SNDCTL_DSP_SILENCE: These ioctls
were intended to manipulate the underlying
audio buffer skip or insert silence. These
return EINVAL.
SOUND_VERSION is unchanged, but is definable, It will be
changed when the mixer OSSv4 ioctls are written.
Addresses PR 46611
This commit was approved by wiz@.
To generate a diff of this commit:
cvs rdiff -u -r1.28 -r1.29 src/lib/libossaudio/ossaudio.c
cvs rdiff -u -r1.22 -r1.23 src/lib/libossaudio/soundcard.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.