| VOLUME(2) | System Calls Manual | VOLUME(2) |
volume - volume control for an infrared interface
include "volume.m"; vctl := load Volumectl Volumectl->PATH; volumectl: fn(ctxt: ref Draw->Context, ch: chan of int, device: string);
Volumectl should be spawned as a separate process from any process that desires volume control via an infrared interface. Ctxt provides volumectl with access to the display, on which it displays a slider widget. The slider automatically disappears after several seconds of inactivity. Volumectl receives input from the infrared controller on channel ch. The values recognized are:
Device is a string used as a prefix to commands to the device; for example "audio out" for audio (3).
/dev/volume
/appl/lib/volume.b
| mux |