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capssetter

capssetter

Properties

GstCaps * caps Read / Write
gboolean join Read / Write
gboolean replace Read / Write

Types and Values

struct GstCapsSetter

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstCapsSetter

Description

Sets or merges caps on a stream's buffers. That is, a buffer's caps are updated using (fields of) “caps”. Note that this may contain multiple structures (though not likely recommended), but each of these must be fixed (or will otherwise be rejected).

If “join” is TRUE, then the incoming caps' mime-type is compared to the mime-type(s) of provided caps and only matching structure(s) are considered for updating.

If “replace” is TRUE, then any caps update is preceded by clearing existing fields, making provided fields (as a whole) replace incoming ones. Otherwise, no clearing is performed, in which case provided fields are added/merged onto incoming caps

Although this element might mainly serve as debug helper, it can also practically be used to correct a faulty pixel-aspect-ratio, or to modify a yuv fourcc value to effectively swap chroma components or such alike.

Synopsis

Element Information

plugin

debug

author

Mark Nauwelaerts <mnauw@users.sourceforge.net>

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 GstCapsSetter

struct GstCapsSetter;

Property Details

The “caps” property

  “caps”                     GstCaps *

Merge these caps (thereby overwriting) in the stream.

Flags: Read / Write


The “join” property

  “join”                     gboolean

Match incoming caps' mime-type to mime-type of provided caps.

Flags: Read / Write

Default value: TRUE


The “replace” property

  “replace”                  gboolean

Drop fields of incoming caps.

Flags: Read / Write

Default value: FALSE

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