Open Sound System
OSS 4.x Programmer's Guide

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MIXF_MAINVOL mixer control type

Mixer widget controls main output volume.


Simple mixer applets may use this flag to find out the mixer widgets that control main output volume. Some devices have no main volume controls at all. Some of them have just one of them. In addition there are devices that have separate volume controls for different stereo speaker (front/rear/etc) pairs.

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