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CVS commit: src/lib/libossaudio



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.




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