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GObject
╰── GInitiallyUnowned
╰── GESTimelineElement
╰── GESTrackElement
╰── GESSource
╰── GESAudioSource
├── GESAudioTestSource
╰── GESAudioUriSource
You can use the following children properties through the ges_track_element_set_child_property and alike set of methods:
| double | volume | volume factor, 1.0=100%. |
| gboolean | mute | mute channel. |