StreamVolume


Object Hierarchy:

Gst.Audio.StreamVolume Gst.Audio.StreamVolume Gst.Audio.StreamVolume GLib.Object GLib.Object GLib.Object->Gst.Audio.StreamVolume

Description:

[ CCode ( cname = "GstStreamVolume" , lower_case_cprefix = "gst_stream_volume_" , type_cname = "GstStreamVolumeInterface" , type_id = "gst_stream_volume_get_type ()" ) ]
[ GIR ( name = "StreamVolume" ) ]
public interface StreamVolume : Object

This interface is implemented by elements that provide a stream volume.

Examples for such elements are volume and playbin.

Applications can use this interface to get or set the current stream volume. For this the "volume" Object property can be used or the helper functions set_volume and get_volume. This volume is always a linear factor, i.e. 0.0 is muted 1.0 is 100%. For showing the volume in a GUI it might make sense to convert it to a different format by using convert_volume. Volume sliders should usually use a cubic volume.

Separate from the volume the stream can also be muted by the "mute" Object property or set_mute and get_mute.

Elements that provide some kind of stream volume should implement the "volume" and "mute" Object properties and handle setting and getting of them properly. The volume property is defined to be a linear volume factor.


Namespace: Gst.Audio

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