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capsfilter

capsfilter

Properties

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstCapsFilter

Description

The element does not modify data as such, but can enforce limitations on the data format.

Example launch line

1
gst-launch-1.0 videotestsrc ! capsfilter caps=video/x-raw,format=GRAY8 ! videoconvert ! autovideosink

Limits acceptable video from videotestsrc to be grayscale. Equivalent to

1
gst-launch-1.0 videotestsrc ! video/x-raw,format=GRAY8 ! videoconvert ! autovideosink

which is a short notation for the capsfilter element.

Synopsis

Element Information

plugin

coreelements

author

David Schleef <ds@schleef.org>

class

Generic

Element Pads

name

sink

direction

sink

presence

always

details

ANY

name

src

direction

source

presence

always

details

ANY

Functions

Types and Values

struct GstCapsFilter

struct GstCapsFilter;

The opaque GstCapsFilter data structure.


enum GstCapsFilterCapsChangeMode

Filter caps change behaviour

Members

GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE

Only accept the current filter caps

 

GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED

Temporarily accept previous filter caps

 

Property Details

The “caps” property

  “caps”                     GstCaps *

Restrict the possible allowed capabilities (NULL means ANY). Setting this property takes a reference to the supplied GstCaps object.

Flags: Read / Write


The “caps-change-mode” property

  “caps-change-mode”         GstCapsFilterCapsChangeMode

Filter caps change behaviour.

Flags: Read / Write

Default value: Only accept the current filter caps

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