Caution

This is the documentation for the current development branch of the CometVisu. It is possible that some of the described features are not yet available in the current release.

Also there might be lots of errors in this documentation as some parts of the content have been translated by an online translation service.

The Audio widget

Available since version: 0.8.4 (2014)
Author: Markus Damman

Description

The audio widget embeds an audio file, which can be automatically played by incoming data

Settings

For a general understanding of how the configuration files are structured and what elements and attributes are it is recommended to read this section first: visu-config-details.

The behaviour and appearance of the Audio widget can be influenced by using certain attributes and elements. The following tables show the allowed attributes and elements and their possible values. The screenshots show, how both can be edited in the editor.

Attributes underlined by ..... are mandatory, all the others are optional and be omitted.

Allowed attributes in the Audio-element

Element Attribute
  Name Content Description
audio src URI  
id string  
threshold_value string  
width dimenstion (number+unit)  
height dimenstion (number+unit)  
volume string  
autoplay string  
loop string  
flavour string Selection of a display variant. See also :ref:’flavour’.
class string Add this value to the CSS class so that it can be formated by a user provided style sheet.

Allowed child-elements und their attributes

Element Attribute
Structure Name Content Description
audio
  • layout
colspan decimal Amount of coloumns this widget sould be wide.
colspan-m decimal Overrules the amount of coloumns on a medium screen.
colspan-s decimal Overrules the amount of coloumns on a small screen.
rowspan decimal Amount of rows this widget should be high.
x string Horizontal position of the widget for 2D pages.
y string Vertical position of the widget for 2D pages.
z string Reserved for future use.
width string Width for the widget for 2D pages.
Element Attribute
Structure Name Content Description
audio
  • label
  • icon
name string  
type string  
flavour string Selection of a display variant. See also :ref:’flavour’.
color string  
styling string  
class string Add this value to the CSS class so that it can be formated by a user provided style sheet.
audio
  • label
  • #text
  string Text to display a label for the widget.
Element Attribute
Structure Name Content Description
audio
  • address
transform string  
mode disable, read, write or readwrite  
variant string  
format-pos decimal  
audio
  • address
  • #text
  string The GA (like: 12/0/7) for KNX-backends or the item name for openHAB-backend

Examples

It is possible to manually edit the visu_config.xml and add an entry for the Audio widget.

Caution

Make sure that you only use UTF-8 encoded characters by settings the encoding in your XML-editor to UTF-8 mode!

../../../_images/audio_example.png

Default example for defining an audio widget in the configuration

<audio id="audio_widget" src="path/to/audio_file.mp3">
  <layout colspan="4"/>
  <label>Audio</label>
  <address transform="DPT:1.001" mode="read">0/0/0</address>
</audio>

Footnotes

[1]The simple view might not show everything. To see all elements/attributes use the expert view.