audioPluginGridLayout
Specify layout for audio plugin UI
Description
creates an
object that specifies the layout grid for an audio plugin graphical user interface. Use the
plugin grid layout object, gridLayout
= audioPluginGridLayoutgridLayout
, as an argument to audioPluginInterface
in your plugin class definition.
audioPluginGridLayout
specifies only the grid. The placement of
individual graphical elements is specified using audioPluginParameter
.
To learn how to design a graphic user interface, see Design User Interface for Audio Plugin.
For example plugins, see Audio Plugin Example Gallery.
specifies gridLayout
= audioPluginGridLayout(Name,Value
)audioPluginGridLayout
properties using one or more
Name,Value
pair arguments.
Examples
Use Default Audio Plugin Grid Layout
The default audio plugin grid layout specifies a 2-by-2 grid. Call audioPluginGridLayout
with no arguments to view the default settings.
audioPluginGridLayout
ans = audioPluginGridLayout with properties: RowHeight: [100 100] ColumnWidth: [100 100] RowSpacing: 10 ColumnSpacing: 10 Padding: [10 10 10 10]
noisifyClassic
uses a default grid layout by passing audioPluginGridLayout
, without any arguments, to audioPluginInterface
. When you use audioPluginGridLayout
, you must specify the position of each audioPluginParameter
on the grid using Layout
. Display names corresponding to parameters occupy cells on the grid also. The default grid contains only four cells and noisifyClassic
has four parameters, so you must set DisplayNameLocation
to none
to fit all elements on the grid. audioPluginGridLayout
is passed to the audioPluginInterface
. Save noisifyClassic
to your current folder.
classdef noisifyClassic < audioPlugin properties DropoutLeft = false DropoutRight = false NoiseLeftGain = 0 NoiseRightGain = 0 end properties (Constant) PluginInterface = audioPluginInterface( ... audioPluginParameter('DropoutLeft', ... 'Layout',[2,1], ... 'DisplayNameLocation','none'), ... audioPluginParameter('DropoutRight', ... 'Layout',[2,2], ... 'DisplayNameLocation','none'), ... audioPluginParameter('NoiseLeftGain', ... 'Layout',[1,1], ... 'DisplayNameLocation','none'), ... audioPluginParameter('NoiseRightGain', ... 'Layout',[1,2], ... 'DisplayNameLocation','none'), ... ... audioPluginGridLayout) end methods function out = process(plugin,in) r = size(in,1); dropRate = 0.1; if plugin.DropoutLeft idx = randperm(r,round(r*dropRate)); in(idx,1) = 0; end if plugin.DropoutRight idx = randperm(r,round(r*dropRate)); in(idx,2) = 0; end in(:,1) = in(:,1) + plugin.NoiseLeftGain*(2*rand(r,1,'like',in)-1); in(:,2) = in(:,2) + plugin.NoiseRightGain*(2*rand(r,1,'like',in)-1); out = in; end end end
You can quickly iterate on your UI design by using parameterTuner
to visualize the plugin UI. Call parameterTuner
on noisifyClassic
.
parameterTuner(noisifyClassic)
Design Audio Plugin Grid Layout
The example plugin, noisify
, adds noise to your audio signal channel-wise at a specified gain (per channel) and dropout rate.
classdef noisifyOriginal < audioPlugin properties DropoutLeft = false; DropoutRight = false; NoiseLeftGain = 0; NoiseRightGain = 0; DropoutRate = 0.1; end properties (Constant) PluginInterface = audioPluginInterface(... audioPluginParameter('DropoutLeft'), ... audioPluginParameter('DropoutRight'), ... audioPluginParameter('NoiseLeftGain'), ... audioPluginParameter('NoiseRightGain'), ... audioPluginParameter('DropoutRate')) end methods function out = process(plugin,in) r = size(in,1); if plugin.DropoutLeft idx = randperm(r,round(r*plugin.DropoutRate)); in(idx,1) = 0; end if plugin.DropoutRight idx = randperm(r,round(r*plugin.DropoutRate)); in(idx,2) = 0; end in(:,1) = in(:,1) + plugin.NoiseLeftGain*randn(r,1,'like',in); in(:,2) = in(:,2) + plugin.NoiseRightGain*randn(r,1,'like',in); out = in; end end end
To see the corresponding UI for the plugin, call parameterTuner
with the plugin. When you generate an audio plugin and deploy it to a DAW, the DAW uses a default UI that is similar to the default UI of parameterTuner
.
parameterTuner(noisifyOriginal)
You can create a more intuitive and visually pleasing UI using audioPluginInterface
, audioPluginGridLayout
, and audioPluginParameter
. For example, to create a more intuitive UI for noisyOriginal
, you could update the audioPluginInterface
as follows:
classdef noisify < audioPlugin properties DropoutLeft = false; DropoutRight = false; NoiseLeftGain = 0; NoiseRightGain = 0; DropoutRate = 0.1; end properties (Constant) PluginInterface = audioPluginInterface(... audioPluginParameter('DropoutLeft', ... 'Layout',[4,1], ... 'DisplayName','Dropout (L)', ... 'DisplayNameLocation','above', ... 'Style','vrocker'), ... audioPluginParameter('DropoutRight', ... 'Layout',[4,4], ... 'DisplayName','Dropout (R)', ... 'DisplayNameLocation','above', ... 'Style','vrocker'), ... audioPluginParameter('NoiseLeftGain', ... 'DisplayName','Noise Gain (L)', ... 'Layout',[2,1;2,2], ... 'DisplayNameLocation','above', ... 'Style','rotaryknob'), ... audioPluginParameter('NoiseRightGain', ... 'Layout',[2,3;2,4], ... 'DisplayName','Noise Gain (R)', ... 'DisplayNameLocation','above', ... 'Style','rotaryknob'), ... audioPluginParameter('DropoutRate', ... 'Layout',[4,2;4,3], ... 'DisplayName','Droput Rate', ... 'DisplayNameLocation','below', ... 'Style','vslider'), ... ... audioPluginGridLayout( ... 'RowHeight',[15,150,15,150,15], ... 'ColumnWidth',[100,40,40,100], ... 'RowSpacing',30)) end methods function out = process(plugin,in) r = size(in,1); if plugin.DropoutLeft idx = randperm(r,round(r*plugin.DropoutRate)); in(idx,1) = 0; end if plugin.DropoutRight idx = randperm(r,round(r*plugin.DropoutRate)); in(idx,2) = 0; end in(:,1) = in(:,1) + plugin.NoiseLeftGain*randn(r,1,'like',in); in(:,2) = in(:,2) + plugin.NoiseRightGain*randn(r,1,'like',in); out = in; end end end
You can quickly iterate on your UI design by using parameterTuner
to visualize incremental changes. Call parameterTuner
on noisify
. When you generate an audio plugin and deploy it to a DAW, the DAW uses the enhanced UI.
parameterTuner(noisify)
Input Arguments
Name-Value Arguments
Specify optional pairs of arguments as
Name1=Value1,...,NameN=ValueN
, where Name
is
the argument name and Value
is the corresponding value.
Name-value arguments must appear after other arguments, but the order of the
pairs does not matter.
Before R2021a, use commas to separate each name and value, and enclose
Name
in quotes.
Example: 'RowHeight', [50,200,150]
species a grid with three rows. The
first row is 50 pixels high, the second row is 200 pixels high, and the third row is 150
pixels high.
RowHeight
— Height of each row (pixels)
[100, 100]
(default) | row vector of positive integers
Height in pixels of each row in the grid, specified as a comma-separated pair
consisting of 'RowHeight'
and a row vector of positive
integers.
Data Types: single
| double
| int8
| int16
| int32
| int64
| uint8
| uint16
| uint32
| uint64
ColumnWidth
— Width of each column (pixels)
[100, 100]
(default) | row vector of positive integers
Width in pixels of each column in the grid, specified as a comma-separated pair
consisting of 'ColumnWidth'
and a row vector of positive
integers.
Data Types: single
| double
| int8
| int16
| int32
| int64
| uint8
| uint16
| uint32
| uint64
RowSpacing
— Distance between rows (pixels)
10
(default) | nonnegative integer
Distance between rows in pixels, specified as a comma-separated pair consisting of
'RowSpacing'
and a nonnegative integer.
Data Types: single
| double
| int8
| int16
| int32
| int64
| uint8
| uint16
| uint32
| uint64
ColumnSpacing
— Distance between columns (pixels)
10
(default) | nonnegative integer
Distance between columns in pixels, specified as a comma-separated pair consisting
of 'ColumnSpacing'
and a nonnegative integer.
Data Types: single
| double
| int8
| int16
| int32
| int64
| uint8
| uint16
| uint32
| uint64
Padding
— Padding around the outer perimeter of grid (pixels)
[10, 10, 10, 10]
(default) | [left, bottom, right, top]
Padding around the outer perimeter of the grid in pixels, specified as a
comma-separated pair consisting of 'Padding'
and a four-element row
vector of nonnegative integers. The elements of the vector are interpreted as [left,
bottom, right, top], where:
left –– Distance in pixels from the left edge of the grid to the left edge of the parent container.
bottom –– Distance in pixels from the bottom edge of the grid to the bottom edge of the parent container.
right –– Distance in pixels from the right edge of the grid to the right edge of the parent container.
top –– Distance in pixels from the top edge of the grid to the top edge of the parent container.
Data Types: single
| double
| int8
| int16
| int32
| int64
| uint8
| uint16
| uint32
| uint64
Version History
Introduced in R2019b
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