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OSSAUDIO(3) Library Functions Manual OSSAUDIO(3) NAME ossaudio - OSS audio emulation LIBRARY OSS Audio Emulation Library (libossaudio, -lossaudio) SYNOPSIS #include <soundcard.h> DESCRIPTION The ossaudio library provides an emulation of the OSS (Linux) audio interface. Use the native interface for new programs and the emulation library only for porting programs. Mixer Control Map The following table summarizes the mappings from native interface device names to OSS mixer controls. Native Device Name OSS Mixer Control *.mic SOUND_MIXER_MIC *.line SOUND_MIXER_LINE *.cd SOUND_MIXER_CD *.dac SOUND_MIXER_PCM *.aux SOUND_MIXER_LINE1 *.record SOUND_MIXER_IMIX *.master SOUND_MIXER_VOLUME *.treble SOUND_MIXER_TREBLE *.bass SOUND_MIXER_BASS *.speaker SOUND_MIXER_SPEAKER *.output SOUND_MIXER_OGAIN *.input SOUND_MIXER_IGAIN *.fmsynth SOUND_MIXER_SYNTH *.midi SOUND_MIXER_SYNTH SEE ALSO audio(4), midi(4) HISTORY The ossaudio library first appeared in NetBSD 1.3. BUGS The emulation uses a #define for ioctl() so some obscure programs can fail to compile. The emulation is incomplete. The emulation only covers ioctl(), there are other differences as well. E.g., on a write that would block in non-blocking mode Linux returns EINTR whereas NetBSD 1.3 returns EAGAIN. NetBSD 8.99.34 February 3, 2009 NetBSD 8.99.34