# GstPadTemplate

Padtemplates describe the possible media types a pad or an elementfactory can handle. This allows for both inspection of handled types before loading the element plugin as well as identifying pads on elements that are not yet created (request or sometimes pads).

Pad and PadTemplates have GstCaps attached to it to describe the media type they are capable of dealing with. gst_pad_template_get_caps or GST_PAD_TEMPLATE_CAPS are used to get the caps of a padtemplate. It's not possible to modify the caps of a padtemplate after creation.

PadTemplates have a GstPadPresence property which identifies the lifetime of the pad and that can be retrieved with GST_PAD_TEMPLATE_PRESENCE. Also the direction of the pad can be retrieved from the GstPadTemplate with GST_PAD_TEMPLATE_DIRECTION.

The GST_PAD_TEMPLATE_NAME_TEMPLATE () is important for GST_PAD_REQUEST pads because it has to be used as the name in the gst_element_request_pad_simple call to instantiate a pad from this template.

Padtemplates can be created with gst_pad_template_new or with gst_static_pad_template_get (), which creates a GstPadTemplate from a GstStaticPadTemplate that can be filled with the convenient GST_STATIC_PAD_TEMPLATE macro.

A padtemplate can be used to create a pad (see gst_pad_new_from_template or gst_pad_new_from_static_template ()) or to add to an element class (see gst_element_class_add_static_pad_template ()).

The following code example shows the code to create a pad from a padtemplate.

       GstStaticPadTemplate my_template =
       GST_STATIC_PAD_TEMPLATE (
         "sink",          // the name of the pad
         GST_PAD_SINK,    // the direction of the pad
         GST_PAD_ALWAYS,  // when this pad will be present
         GST_STATIC_CAPS (        // the capabilities of the padtemplate
           "audio/x-raw, "
             "channels = (int) [ 1, 6 ]"
         )
       );
       void
       my_method (void)
       {
         GstPad *pad;
         pad = gst_pad_new_from_static_template (&my_template, "sink");
         ...
       }

The following example shows you how to add the padtemplate to an element class, this is usually done in the class_init of the class:

       static void
       my_element_class_init (GstMyElementClass *klass)
       {
         GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);

         gst_element_class_add_static_pad_template (gstelement_class, &my_template);
       }

## GstPadTemplate

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPadTemplate

The padtemplate object.

### Members

`object` (GstObject) –
No description available
`name_template` (gchar *) –
No description available
`direction` (GstPadDirection) –
No description available
`presence` (GstPadPresence) –
No description available
`caps` (GstCaps *) –
No description available
`ABI._gst_reserved` (gpointer *) –
No description available
`ABI.abi.gtype` (GType) –
No description available
`ABI.abi.documentation_caps` (GstCaps *) –
No description available

### Class structure

#### GstPadTemplateClass

##### Fields

`parent_class` (GstObjectClass) –
No description available

### Gst.PadTemplateClass

##### Attributes

`parent_class` (Gst.ObjectClass) –
No description available

### Gst.PadTemplateClass

##### Attributes

`parent_class` (Gst.ObjectClass) –
No description available

## Gst.PadTemplate

    GObject.Object
        ╰──GObject.InitiallyUnowned
            ╰──Gst.Object
                ╰──Gst.PadTemplate

The padtemplate object.

### Members

`object` (Gst.Object) –
No description available
`name_template` (String) –
No description available
`direction` (Gst.PadDirection) –
No description available
`presence` (Gst.PadPresence) –
No description available
`caps` (Gst.Caps) –
No description available

## Gst.PadTemplate

    GObject.Object
        ╰──GObject.InitiallyUnowned
            ╰──Gst.Object
                ╰──Gst.PadTemplate

The padtemplate object.

### Members

`object` (Gst.Object) –
No description available
`name_template` (str) –
No description available
`direction` (Gst.PadDirection) –
No description available
`presence` (Gst.PadPresence) –
No description available
`caps` (Gst.Caps) –
No description available

### Constructors

#### gst_pad_template_new

    GstPadTemplate *
    gst_pad_template_new (const gchar * name_template,
                          GstPadDirection direction,
                          GstPadPresence presence,
                          GstCaps * caps)

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` –

the name template.

`direction` –

the GstPadDirection of the template.

`presence` –

the GstPadPresence of the pad.

`caps` ( [transfer: none]) –

a GstCaps set for the template.

Returns ( [transfer: floating][nullable]) –

a new GstPadTemplate.

#### Gst.PadTemplate.prototype.new

    function Gst.PadTemplate.prototype.new(name_template: String, direction: Gst.PadDirection, presence: Gst.PadPresence, caps: Gst.Caps): {
        // javascript wrapper for 'gst_pad_template_new'
    }

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` (String) –

the name template.

`direction` (Gst.PadDirection) –

the Gst.PadDirection of the template.

`presence` (Gst.PadPresence) –

the Gst.PadPresence of the pad.

`caps` (Gst.Caps) –

a Gst.Caps set for the template.

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

#### Gst.PadTemplate.new

    def Gst.PadTemplate.new (name_template, direction, presence, caps):
        #python wrapper for 'gst_pad_template_new'

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` (str) –

the name template.

`direction` (Gst.PadDirection) –

the Gst.PadDirection of the template.

`presence` (Gst.PadPresence) –

the Gst.PadPresence of the pad.

`caps` (Gst.Caps) –

a Gst.Caps set for the template.

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

#### gst_pad_template_new_from_static_pad_template_with_gtype

    GstPadTemplate *
    gst_pad_template_new_from_static_pad_template_with_gtype (GstStaticPadTemplate * pad_template,
                                                              GType pad_type)

Converts a GstStaticPadTemplate into a GstPadTemplate with a type.

Parameters:

`pad_template` –

the static pad template

`pad_type` –

The GType of the pad to create

Returns ( [transfer: floating][nullable]) –

a new GstPadTemplate.

Since : 1.14

#### Gst.PadTemplate.prototype.new_from_static_pad_template_with_gtype

    function Gst.PadTemplate.prototype.new_from_static_pad_template_with_gtype(pad_template: Gst.StaticPadTemplate, pad_type: GObject.Type): {
        // javascript wrapper for 'gst_pad_template_new_from_static_pad_template_with_gtype'
    }

Converts a Gst.StaticPadTemplate into a Gst.PadTemplate with a type.

Parameters:

`pad_template` (Gst.StaticPadTemplate) –

the static pad template

`pad_type` (GObject.Type) –

The GObject.Type of the pad to create

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

Since : 1.14

#### Gst.PadTemplate.new_from_static_pad_template_with_gtype

    def Gst.PadTemplate.new_from_static_pad_template_with_gtype (pad_template, pad_type):
        #python wrapper for 'gst_pad_template_new_from_static_pad_template_with_gtype'

Converts a Gst.StaticPadTemplate into a Gst.PadTemplate with a type.

Parameters:

`pad_template` (Gst.StaticPadTemplate) –

the static pad template

`pad_type` (GObject.Type) –

The GObject.Type of the pad to create

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

Since : 1.14

#### gst_pad_template_new_with_gtype

    GstPadTemplate *
    gst_pad_template_new_with_gtype (const gchar * name_template,
                                     GstPadDirection direction,
                                     GstPadPresence presence,
                                     GstCaps * caps,
                                     GType pad_type)

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` –

the name template.

`direction` –

the GstPadDirection of the template.

`presence` –

the GstPadPresence of the pad.

`caps` ( [transfer: none]) –

a GstCaps set for the template.

`pad_type` –

The GType of the pad to create

Returns ( [transfer: floating][nullable]) –

a new GstPadTemplate.

Since : 1.14

#### Gst.PadTemplate.prototype.new_with_gtype

    function Gst.PadTemplate.prototype.new_with_gtype(name_template: String, direction: Gst.PadDirection, presence: Gst.PadPresence, caps: Gst.Caps, pad_type: GObject.Type): {
        // javascript wrapper for 'gst_pad_template_new_with_gtype'
    }

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` (String) –

the name template.

`direction` (Gst.PadDirection) –

the Gst.PadDirection of the template.

`presence` (Gst.PadPresence) –

the Gst.PadPresence of the pad.

`caps` (Gst.Caps) –

a Gst.Caps set for the template.

`pad_type` (GObject.Type) –

The GObject.Type of the pad to create

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

Since : 1.14

#### Gst.PadTemplate.new_with_gtype

    def Gst.PadTemplate.new_with_gtype (name_template, direction, presence, caps, pad_type):
        #python wrapper for 'gst_pad_template_new_with_gtype'

Creates a new pad template with a name according to the given template and with the given arguments.

Parameters:

`name_template` (str) –

the name template.

`direction` (Gst.PadDirection) –

the Gst.PadDirection of the template.

`presence` (Gst.PadPresence) –

the Gst.PadPresence of the pad.

`caps` (Gst.Caps) –

a Gst.Caps set for the template.

`pad_type` (GObject.Type) –

The GObject.Type of the pad to create

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

Since : 1.14

### Methods

#### gst_pad_template_get_caps

    GstCaps *
    gst_pad_template_get_caps (GstPadTemplate * templ)

Gets the capabilities of the pad template.

Parameters:

`templ` –

a GstPadTemplate to get capabilities of.

Returns ( [transfer: full]) –

the GstCaps of the pad template. Unref after usage.

#### Gst.PadTemplate.prototype.get_caps

    function Gst.PadTemplate.prototype.get_caps(): {
        // javascript wrapper for 'gst_pad_template_get_caps'
    }

Gets the capabilities of the pad template.

Parameters:

`templ` (Gst.PadTemplate) –

a Gst.PadTemplate to get capabilities of.

Returns (Gst.Caps) –

the Gst.Caps of the pad template. Unref after usage.

#### Gst.PadTemplate.get_caps

    def Gst.PadTemplate.get_caps (self):
        #python wrapper for 'gst_pad_template_get_caps'

Gets the capabilities of the pad template.

Parameters:

`templ` (Gst.PadTemplate) –

a Gst.PadTemplate to get capabilities of.

Returns (Gst.Caps) –

the Gst.Caps of the pad template. Unref after usage.

#### gst_pad_template_get_documentation_caps

    GstCaps *
    gst_pad_template_get_documentation_caps (GstPadTemplate * templ)

See gst_pad_template_set_documentation_caps.

Parameters:

`templ` –

the pad template to get documented capabilities on

Returns ( [transfer: full]) –

The caps to document. For convenience, this will return gst_pad_template_get_caps when no documentation caps were set.

Since : 1.18

#### Gst.PadTemplate.prototype.get_documentation_caps

    function Gst.PadTemplate.prototype.get_documentation_caps(): {
        // javascript wrapper for 'gst_pad_template_get_documentation_caps'
    }

See Gst.PadTemplate.prototype.set_documentation_caps.

Parameters:

`templ` (Gst.PadTemplate) –

the pad template to get documented capabilities on

Returns (Gst.Caps) –

The caps to document. For convenience, this will return Gst.PadTemplate.prototype.get_caps when no documentation caps were set.

Since : 1.18

#### Gst.PadTemplate.get_documentation_caps

    def Gst.PadTemplate.get_documentation_caps (self):
        #python wrapper for 'gst_pad_template_get_documentation_caps'

See Gst.PadTemplate.set_documentation_caps.

Parameters:

`templ` (Gst.PadTemplate) –

the pad template to get documented capabilities on

Returns (Gst.Caps) –

The caps to document. For convenience, this will return Gst.PadTemplate.get_caps when no documentation caps were set.

Since : 1.18

#### gst_pad_template_pad_created

    gst_pad_template_pad_created (GstPadTemplate * templ,
                                  GstPad * pad)

Emit the pad-created signal for this template when created by this pad.

Parameters:

`templ` –

a GstPadTemplate that has been created

`pad` –

the GstPad that created it

#### Gst.PadTemplate.prototype.pad_created

    function Gst.PadTemplate.prototype.pad_created(pad: Gst.Pad): {
        // javascript wrapper for 'gst_pad_template_pad_created'
    }

Emit the pad-created signal for this template when created by this pad.

Parameters:

`templ` (Gst.PadTemplate) –

a Gst.PadTemplate that has been created

`pad` (Gst.Pad) –

the Gst.Pad that created it

#### Gst.PadTemplate.pad_created

    def Gst.PadTemplate.pad_created (self, pad):
        #python wrapper for 'gst_pad_template_pad_created'

Emit the pad-created signal for this template when created by this pad.

Parameters:

`templ` (Gst.PadTemplate) –

a Gst.PadTemplate that has been created

`pad` (Gst.Pad) –

the Gst.Pad that created it

#### gst_pad_template_set_documentation_caps

    gst_pad_template_set_documentation_caps (GstPadTemplate * templ,
                                             GstCaps * caps)

Certain elements will dynamically construct the caps of their pad templates. In order not to let environment-specific information into the documentation, element authors should use this method to expose "stable" caps to the reader.

Parameters:

`templ` –

the pad template to set documented capabilities on

`caps` ( [transfer: none]) –

the documented capabilities

Since : 1.18

#### Gst.PadTemplate.prototype.set_documentation_caps

    function Gst.PadTemplate.prototype.set_documentation_caps(caps: Gst.Caps): {
        // javascript wrapper for 'gst_pad_template_set_documentation_caps'
    }

Certain elements will dynamically construct the caps of their pad templates. In order not to let environment-specific information into the documentation, element authors should use this method to expose "stable" caps to the reader.

Parameters:

`templ` (Gst.PadTemplate) –

the pad template to set documented capabilities on

`caps` (Gst.Caps) –

the documented capabilities

Since : 1.18

#### Gst.PadTemplate.set_documentation_caps

    def Gst.PadTemplate.set_documentation_caps (self, caps):
        #python wrapper for 'gst_pad_template_set_documentation_caps'

Certain elements will dynamically construct the caps of their pad templates. In order not to let environment-specific information into the documentation, element authors should use this method to expose "stable" caps to the reader.

Parameters:

`templ` (Gst.PadTemplate) –

the pad template to set documented capabilities on

`caps` (Gst.Caps) –

the documented capabilities

Since : 1.18

### Signals

#### pad-created

    pad_created_callback (GstPadTemplate * self,
                          GstPad * pad,
                          gpointer user_data)

This signal is fired when an element creates a pad from this template.

Parameters:

`self` –
No description available
`pad` –

the pad that was created.

`user_data` –
No description available

Flags: Run Last

#### pad-created

    function pad_created_callback(self: Gst.PadTemplate, pad: Gst.Pad, user_data: Object): {
        // javascript callback for the 'pad-created' signal
    }

This signal is fired when an element creates a pad from this template.

Parameters:

`self` (Gst.PadTemplate) –
No description available
`pad` (Gst.Pad) –

the pad that was created.

`user_data` (Object) –
No description available

Flags: Run Last

#### pad-created

    def pad_created_callback (self, pad, *user_data):
        #python callback for the 'pad-created' signal

This signal is fired when an element creates a pad from this template.

Parameters:

`self` (Gst.PadTemplate) –
No description available
`pad` (Gst.Pad) –

the pad that was created.

`user_data` (variadic) –
No description available

Flags: Run Last

### Properties

#### caps

    “caps” GstCaps *

The capabilities of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### caps

    “caps” Gst.Caps

The capabilities of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### caps

    “self.props.caps” Gst.Caps

The capabilities of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### direction

    “direction” GstPadDirection *

The direction of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### direction

    “direction” Gst.PadDirection

The direction of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### direction

    “self.props.direction” Gst.PadDirection

The direction of the pad described by the pad template.

Flags : Read / Write / Construct Only

#### gtype

    “gtype” GType

The type of the pad described by the pad template.

Flags : Read / Write / Construct Only

Since : 1.14

#### gtype

    “gtype” GObject.Type

The type of the pad described by the pad template.

Flags : Read / Write / Construct Only

Since : 1.14

#### gtype

    “self.props.gtype” GObject.Type

The type of the pad described by the pad template.

Flags : Read / Write / Construct Only

Since : 1.14

#### name-template

    “name-template” gchar *

The name template of the pad template.

Flags : Read / Write / Construct Only

#### name-template

    “name-template” String

The name template of the pad template.

Flags : Read / Write / Construct Only

#### name_template

    “self.props.name_template” str

The name template of the pad template.

Flags : Read / Write / Construct Only

#### presence

    “presence” GstPadPresence *

When the pad described by the pad template will become available.

Flags : Read / Write / Construct Only

#### presence

    “presence” Gst.PadPresence

When the pad described by the pad template will become available.

Flags : Read / Write / Construct Only

#### presence

    “self.props.presence” Gst.PadPresence

When the pad described by the pad template will become available.

Flags : Read / Write / Construct Only

### Virtual Methods

#### pad_created

    pad_created (GstPadTemplate * templ,
                 GstPad * pad)

Parameters:

`templ` –
No description available
`pad` –
No description available

#### vfunc_pad_created

    function vfunc_pad_created(templ: Gst.PadTemplate, pad: Gst.Pad): {
        // javascript implementation of the 'pad_created' virtual method
    }

Parameters:

`templ` (Gst.PadTemplate) –
No description available
`pad` (Gst.Pad) –
No description available

#### do_pad_created

    def do_pad_created (templ, pad):
        #python implementation of the 'pad_created' virtual method

Parameters:

`templ` (Gst.PadTemplate) –
No description available
`pad` (Gst.Pad) –
No description available

## GstStaticPadTemplate

Structure describing the GstStaticPadTemplate.

### Members

`name_template` (const gchar *) –

the name of the template

`direction` (GstPadDirection) –

the direction of the template

`presence` (GstPadPresence) –

the presence of the template

`static_caps` (GstStaticCaps) –

the caps of the template.

## Gst.StaticPadTemplate

Structure describing the Gst.StaticPadTemplate.

### Members

`name_template` (String) –

the name of the template

`direction` (Gst.PadDirection) –

the direction of the template

`presence` (Gst.PadPresence) –

the presence of the template

`static_caps` (Gst.StaticCaps) –

the caps of the template.

## Gst.StaticPadTemplate

Structure describing the Gst.StaticPadTemplate.

### Members

`name_template` (str) –

the name of the template

`direction` (Gst.PadDirection) –

the direction of the template

`presence` (Gst.PadPresence) –

the presence of the template

`static_caps` (Gst.StaticCaps) –

the caps of the template.

### Methods

#### gst_static_pad_template_get

    GstPadTemplate *
    gst_static_pad_template_get (GstStaticPadTemplate * pad_template)

Converts a GstStaticPadTemplate into a GstPadTemplate.

Parameters:

`pad_template` –

the static pad template

Returns ( [transfer: floating][nullable]) –

a new GstPadTemplate.

#### Gst.StaticPadTemplate.prototype.get

    function Gst.StaticPadTemplate.prototype.get(): {
        // javascript wrapper for 'gst_static_pad_template_get'
    }

Converts a Gst.StaticPadTemplate into a Gst.PadTemplate.

Parameters:

`pad_template` (Gst.StaticPadTemplate) –

the static pad template

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

#### Gst.StaticPadTemplate.get

    def Gst.StaticPadTemplate.get (self):
        #python wrapper for 'gst_static_pad_template_get'

Converts a Gst.StaticPadTemplate into a Gst.PadTemplate.

Parameters:

`pad_template` (Gst.StaticPadTemplate) –

the static pad template

Returns (Gst.PadTemplate) –

a new Gst.PadTemplate.

#### gst_static_pad_template_get_caps

    GstCaps *
    gst_static_pad_template_get_caps (GstStaticPadTemplate * templ)

Gets the capabilities of the static pad template.

Parameters:

`templ` –

a GstStaticPadTemplate to get capabilities of.

Returns ( [transfer: full]) –

the GstCaps of the static pad template. Unref after usage. Since the core holds an additional ref to the returned caps, use gst_caps_make_writable on the returned caps to modify it.

#### Gst.StaticPadTemplate.prototype.get_caps

    function Gst.StaticPadTemplate.prototype.get_caps(): {
        // javascript wrapper for 'gst_static_pad_template_get_caps'
    }

Gets the capabilities of the static pad template.

Parameters:

`templ` (Gst.StaticPadTemplate) –

a Gst.StaticPadTemplate to get capabilities of.

Returns (Gst.Caps) –

the Gst.Caps of the static pad template. Unref after usage. Since the core holds an additional ref to the returned caps, use Gst.Caps.prototype.make_writable on the returned caps to modify it.

#### Gst.StaticPadTemplate.get_caps

    def Gst.StaticPadTemplate.get_caps (self):
        #python wrapper for 'gst_static_pad_template_get_caps'

Gets the capabilities of the static pad template.

Parameters:

`templ` (Gst.StaticPadTemplate) –

a Gst.StaticPadTemplate to get capabilities of.

Returns (Gst.Caps) –

the Gst.Caps of the static pad template. Unref after usage. Since the core holds an additional ref to the returned caps, use Gst.Caps.make_writable on the returned caps to modify it.

## Function Macros

### GST_PAD_TEMPLATE_CAPS

    #define GST_PAD_TEMPLATE_CAPS(templ)		(((GstPadTemplate *)(templ))->caps)

Get a handle to the padtemplate GstCaps

Parameters:

`templ` –

the template to query

### GST_PAD_TEMPLATE_DIRECTION

    #define GST_PAD_TEMPLATE_DIRECTION(templ)	(((GstPadTemplate *)(templ))->direction)

Get the GstPadDirection of the padtemplate.

Parameters:

`templ` –

the template to query

### GST_PAD_TEMPLATE_GTYPE

    #define GST_PAD_TEMPLATE_GTYPE(templ)		(((GstPadTemplate *)(templ))->ABI.abi.gtype)

Get the GType of the padtemplate

Parameters:

`templ` –

the template to query

Since : 1.14

### GST_PAD_TEMPLATE_IS_FIXED

    #define GST_PAD_TEMPLATE_IS_FIXED(templ)	(GST_OBJECT_FLAG_IS_SET(templ, GST_PAD_TEMPLATE_FIXED))

Check if the properties of the padtemplate are fixed

Parameters:

`templ` –

the template to query

### GST_PAD_TEMPLATE_NAME_TEMPLATE

    #define GST_PAD_TEMPLATE_NAME_TEMPLATE(templ)	(((GstPadTemplate *)(templ))->name_template)

Get the nametemplate of the padtemplate.

Parameters:

`templ` –

the template to query

### GST_PAD_TEMPLATE_PRESENCE

    #define GST_PAD_TEMPLATE_PRESENCE(templ)	(((GstPadTemplate *)(templ))->presence)

Get the GstPadPresence of the padtemplate.

Parameters:

`templ` –

the template to query

### GST_STATIC_PAD_TEMPLATE

    #define GST_STATIC_PAD_TEMPLATE(padname, dir, pres, caps) \
    { \
      /* name_template */    padname, \
      /* direction */        dir, \
      /* presence */         pres, \
      /* caps */             caps \
    }

Convenience macro to fill the values of a GstStaticPadTemplate structure. Example:

     static GstStaticPadTemplate my_src_template = \
       GST_STATIC_PAD_TEMPLATE("src", GST_PAD_SRC, GST_PAD_ALWAYS,
                               GST_STATIC_CAPS_ANY);

Parameters:

`padname` –

the name template of the pad

`dir` –

the GstPadDirection of the pad

`pres` –

the GstPadPresence of the pad

`caps` –

the GstStaticCaps of the pad

## Enumerations

### GstPadPresence

Indicates when this pad will become available.

##### Members

`GST_PAD_ALWAYS` (0) –

the pad is always available

`GST_PAD_SOMETIMES` (1) –

the pad will become available depending on the media stream

`GST_PAD_REQUEST` (2) –

the pad is only available on request with gst_element_request_pad.

### Gst.PadPresence

Indicates when this pad will become available.

##### Members

`Gst.PadPresence.ALWAYS` (0) –

the pad is always available

`Gst.PadPresence.SOMETIMES` (1) –

the pad will become available depending on the media stream

`Gst.PadPresence.REQUEST` (2) –

the pad is only available on request with Gst.Element.prototype.request_pad.

### Gst.PadPresence

Indicates when this pad will become available.

##### Members

`Gst.PadPresence.ALWAYS` (0) –

the pad is always available

`Gst.PadPresence.SOMETIMES` (1) –

the pad will become available depending on the media stream

`Gst.PadPresence.REQUEST` (2) –

the pad is only available on request with Gst.Element.request_pad.

### GstPadTemplateFlags

Flags for the padtemplate

##### Members

`GST_PAD_TEMPLATE_FLAG_LAST` (256) –

first flag that can be used by subclasses.

### Gst.PadTemplateFlags

Flags for the padtemplate

##### Members

`Gst.PadTemplateFlags.LAST` (256) –

first flag that can be used by subclasses.

### Gst.PadTemplateFlags

Flags for the padtemplate

##### Members

`Gst.PadTemplateFlags.LAST` (256) –

first flag that can be used by subclasses.

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