frei0r-src-test-pat-i

Generates spatial impulse and step test patterns

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseSrc
                    ╰──GstPushSrc
                        ╰──frei0r-src-test-pat-i

Factory details

Authors: – Sebastian Dröge , Marko Cebokli

Classification:Src/Video

Rank – none

Plugin – gstfrei0r

Package – GStreamer Bad Plug-ins

Pad Templates

src

video/x-raw:
         format: RGBA
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presencealways

Directionsrc

Object typeGstPad


Properties

amplitude

“amplitude” gdouble

Amplitude (contrast) of the pattern

Flags : Read / Write

Default value : 0.8


blocksize

“blocksize” guint

Size in bytes to read per buffer (-1 = default)

Flags : Read / Write

Default value : 4096


channel

“channel” gdouble

Into which color channel to draw

Flags : Read / Write

Default value : 0


do-timestamp

“do-timestamp” gboolean

Apply current stream time to buffers

Flags : Read / Write

Default value : false


negative

“negative” gboolean

Change polarity of impulse/step

Flags : Read / Write

Default value : false


num-buffers

“num-buffers” gint

Number of buffers to output before sending EOS (-1 = unlimited)

Flags : Read / Write

Default value : -1


tilt

“tilt” gdouble

Angle of step function

Flags : Read / Write

Default value : 0.5


type

“type” gdouble

Type of test pattern

Flags : Read / Write

Default value : 0


typefind

“typefind” gboolean

Run typefind before negotiating (deprecated, non-functional)

Flags : Read / Write

Default value : false


width

“width” gdouble

Width of impulse

Flags : Read / Write

Default value : 0.040404


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