# GstVideoAggregator

VideoAggregator can accept AYUV, ARGB and BGRA video streams. For each of the requested sink pads it will compare the incoming geometry and framerate to define the output parameters. Indeed output video frames will have the geometry of the biggest incoming video stream and the framerate of the fastest incoming one.

VideoAggregator will do colorspace conversion.

Zorder for each input stream can be configured on the GstVideoAggregatorPad.

## GstVideoAggregator

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstAggregator
                        ╰──GstVideoAggregator

### Members

`aggregator` (GstAggregator) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo representing the currently set srcpad caps.

### Class structure

#### GstVideoAggregatorClass

### GstVideo.VideoAggregatorClass

## GstVideoAggregator

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstAggregator
                        ╰──GstVideoAggregator

### Members

`aggregator` (GstAggregator) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo representing the currently set srcpad caps.

## GstVideoAggregator

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstAggregator
                        ╰──GstVideoAggregator

### Members

`aggregator` (GstAggregator) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo representing the currently set srcpad caps.

### Virtual Methods

#### aggregate_frames

    GstFlowReturn
    aggregate_frames (GstVideoAggregator * videoaggregator,
                      GstBuffer * outbuffer)

Lets subclasses aggregate frames that are ready. Subclasses should iterate the GstElement.sinkpads and use the already mapped GstVideoFrame from gst_video_aggregator_pad_get_prepared_frame or directly use the GstBuffer from gst_video_aggregator_pad_get_current_buffer if it needs to map the buffer in a special way. The result of the aggregation should land in outbuffer.

Parameters:

`videoaggregator` –
No description available
`outbuffer` –
No description available
Returns –
No description available

#### aggregate_frames

    function aggregate_frames(videoaggregator: GstVideo.VideoAggregator, outbuffer: Gst.Buffer): {
        // javascript implementation of the 'aggregate_frames' virtual method
    }

Lets subclasses aggregate frames that are ready. Subclasses should iterate the GstElement.sinkpads and use the already mapped GstVideoFrame from gst_video_aggregator_pad_get_prepared_frame or directly use the GstBuffer from gst_video_aggregator_pad_get_current_buffer if it needs to map the buffer in a special way. The result of the aggregation should land in outbuffer.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`outbuffer` ( Gst.Buffer ) –
No description available
Returns ( Gst.FlowReturn ) –
No description available

#### aggregate_frames

    def aggregate_frames (videoaggregator, outbuffer):
        #python implementation of the 'aggregate_frames' virtual method

Lets subclasses aggregate frames that are ready. Subclasses should iterate the GstElement.sinkpads and use the already mapped GstVideoFrame from gst_video_aggregator_pad_get_prepared_frame or directly use the GstBuffer from gst_video_aggregator_pad_get_current_buffer if it needs to map the buffer in a special way. The result of the aggregation should land in outbuffer.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`outbuffer` ( Gst.Buffer ) –
No description available
Returns ( Gst.FlowReturn ) –
No description available

#### create_output_buffer

    GstFlowReturn
    create_output_buffer (GstVideoAggregator * videoaggregator,
                          GstBuffer ** outbuffer)

Optional. Lets subclasses provide a GstBuffer to be used as outbuffer of the aggregate_frames vmethod.

Parameters:

`videoaggregator` –
No description available
`outbuffer` –
No description available
Returns –
No description available

#### create_output_buffer

    function create_output_buffer(videoaggregator: GstVideo.VideoAggregator, outbuffer: Gst.Buffer): {
        // javascript implementation of the 'create_output_buffer' virtual method
    }

Optional. Lets subclasses provide a GstBuffer to be used as outbuffer of the aggregate_frames vmethod.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`outbuffer` ( Gst.Buffer ) –
No description available
Returns ( Gst.FlowReturn ) –
No description available

#### create_output_buffer

    def create_output_buffer (videoaggregator, outbuffer):
        #python implementation of the 'create_output_buffer' virtual method

Optional. Lets subclasses provide a GstBuffer to be used as outbuffer of the aggregate_frames vmethod.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`outbuffer` ( Gst.Buffer ) –
No description available
Returns ( Gst.FlowReturn ) –
No description available

#### find_best_format

    find_best_format (GstVideoAggregator * vagg,
                      GstCaps * downstream_caps,
                      GstVideoInfo * best_info,
                      gboolean * at_least_one_alpha)

Optional. Lets subclasses decide of the best common format to use.

Parameters:

`vagg` –
No description available
`downstream_caps` –
No description available
`best_info` –
No description available
`at_least_one_alpha` –
No description available

#### find_best_format

    function find_best_format(vagg: GstVideo.VideoAggregator, downstream_caps: Gst.Caps, best_info: GstVideo.VideoInfo, at_least_one_alpha: Number): {
        // javascript implementation of the 'find_best_format' virtual method
    }

Optional. Lets subclasses decide of the best common format to use.

Parameters:

`vagg` ( GstVideo.VideoAggregator ) –
No description available
`downstream_caps` ( Gst.Caps ) –
No description available
`best_info` ( GstVideo.VideoInfo ) –
No description available
`at_least_one_alpha` ( Number ) –
No description available

#### find_best_format

    def find_best_format (vagg, downstream_caps, best_info, at_least_one_alpha):
        #python implementation of the 'find_best_format' virtual method

Optional. Lets subclasses decide of the best common format to use.

Parameters:

`vagg` ( GstVideo.VideoAggregator ) –
No description available
`downstream_caps` ( Gst.Caps ) –
No description available
`best_info` ( GstVideo.VideoInfo ) –
No description available
`at_least_one_alpha` ( bool ) –
No description available

#### update_caps

    GstCaps *
    update_caps (GstVideoAggregator * videoaggregator,
                 GstCaps * caps)

Optional. Lets subclasses update the GstCaps representing the src pad caps before usage. Return NULL to indicate failure.

Parameters:

`videoaggregator` –
No description available
`caps` –
No description available
Returns –
No description available

#### update_caps

    function update_caps(videoaggregator: GstVideo.VideoAggregator, caps: Gst.Caps): {
        // javascript implementation of the 'update_caps' virtual method
    }

Optional. Lets subclasses update the GstCaps representing the src pad caps before usage. Return NULL to indicate failure.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`caps` ( Gst.Caps ) –
No description available
Returns ( Gst.Caps ) –
No description available

#### update_caps

    def update_caps (videoaggregator, caps):
        #python implementation of the 'update_caps' virtual method

Optional. Lets subclasses update the GstCaps representing the src pad caps before usage. Return NULL to indicate failure.

Parameters:

`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`caps` ( Gst.Caps ) –
No description available
Returns ( Gst.Caps ) –
No description available

## GstVideoAggregatorConvertPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

An implementation of GstPad that can be used with GstVideoAggregator.

See GstVideoAggregator for more details.

### Class structure

#### GstVideoAggregatorConvertPadClass

##### Fields

`parent_class` (GstVideoAggregatorPadClass) –
No description available

### GstVideo.VideoAggregatorConvertPadClass

##### Attributes

`parent_class` (GstVideo.VideoAggregatorPadClass) –
No description available

### GstVideo.VideoAggregatorConvertPadClass

##### Attributes

`parent_class` (GstVideo.VideoAggregatorPadClass) –
No description available

## GstVideoAggregatorConvertPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

An implementation of GstPad that can be used with GstVideoAggregator.

See GstVideoAggregator for more details.

## GstVideoAggregatorConvertPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

An implementation of GstPad that can be used with GstVideoAggregator.

See GstVideoAggregator for more details.

### Methods

#### gst_video_aggregator_convert_pad_update_conversion_info

    gst_video_aggregator_convert_pad_update_conversion_info (GstVideoAggregatorConvertPad * pad)

Requests the pad to check and update the converter before the next usage to update for any changes that have happened.

Parameters:

`pad` –

a GstVideoAggregatorPad

#### GstVideo.VideoAggregatorConvertPad.prototype.update_conversion_info

    function GstVideo.VideoAggregatorConvertPad.prototype.update_conversion_info(): {
        // javascript wrapper for 'gst_video_aggregator_convert_pad_update_conversion_info'
    }

Requests the pad to check and update the converter before the next usage to update for any changes that have happened.

Parameters:

`pad` ( GstVideo.VideoAggregatorConvertPad ) –

a GstVideo.VideoAggregatorPad

#### GstVideo.VideoAggregatorConvertPad.update_conversion_info

    def GstVideo.VideoAggregatorConvertPad.update_conversion_info (self):
        #python wrapper for 'gst_video_aggregator_convert_pad_update_conversion_info'

Requests the pad to check and update the converter before the next usage to update for any changes that have happened.

Parameters:

`pad` ( GstVideo.VideoAggregatorConvertPad ) –

a GstVideo.VideoAggregatorPad

### Properties

#### converter-config

    “converter-config” GstStructure *

Flags : Read / Write

#### converter-config

    “converter-config” Gst.Structure

Flags : Read / Write

#### converter_config

    “self.props.converter_config” Gst.Structure

Flags : Read / Write

### Virtual Methods

#### create_conversion_info

    create_conversion_info (GstVideoAggregatorConvertPad * pad,
                            GstVideoAggregator * agg,
                            GstVideoInfo * conversion_info)

Parameters:

`pad` –
No description available
`agg` –
No description available
`conversion_info` –
No description available

#### create_conversion_info

    function create_conversion_info(pad: GstVideo.VideoAggregatorConvertPad, agg: GstVideo.VideoAggregator, conversion_info: GstVideo.VideoInfo): {
        // javascript implementation of the 'create_conversion_info' virtual method
    }

Parameters:

`pad` ( GstVideo.VideoAggregatorConvertPad ) –
No description available
`agg` ( GstVideo.VideoAggregator ) –
No description available
`conversion_info` ( GstVideo.VideoInfo ) –
No description available

#### create_conversion_info

    def create_conversion_info (pad, agg, conversion_info):
        #python implementation of the 'create_conversion_info' virtual method

Parameters:

`pad` ( GstVideo.VideoAggregatorConvertPad ) –
No description available
`agg` ( GstVideo.VideoAggregator ) –
No description available
`conversion_info` ( GstVideo.VideoInfo ) –
No description available

## GstVideoAggregatorPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

### Members

`parent` (GstAggregatorPad) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo currently set on the pad

### Class structure

#### GstVideoAggregatorPadClass

##### Fields

`parent_class` (GstAggregatorPadClass) –
No description available
`_gst_reserved` (gpointer *) –
No description available

### GstVideo.VideoAggregatorPadClass

##### Attributes

`parent_class` (GstBase.AggregatorPadClass) –
No description available
`_gst_reserved` ([ Object ]) –
No description available

### GstVideo.VideoAggregatorPadClass

##### Attributes

`parent_class` (GstBase.AggregatorPadClass) –
No description available
`_gst_reserved` ([ object ]) –
No description available

## GstVideoAggregatorPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

### Members

`parent` (GstAggregatorPad) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo currently set on the pad

## GstVideoAggregatorPad

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstPad
                    ╰──GstAggregatorPad
                        ╰──GstVideoAggregatorPad
                            ╰──GstVideoAggregatorConvertPad

### Members

`parent` (GstAggregatorPad) –
No description available
`info` (GstVideoInfo) –

The GstVideoInfo currently set on the pad

### Methods

#### gst_video_aggregator_pad_get_current_buffer

    GstBuffer *
    gst_video_aggregator_pad_get_current_buffer (GstVideoAggregatorPad * pad)

Returns the currently queued buffer that is going to be used for the current output frame.

This must only be called from the aggregate_frames virtual method, or from the prepare_frame virtual method of the aggregator pads.

The return value is only valid until aggregate_frames or prepare_frame returns.

Parameters:

`pad` –

a GstVideoAggregatorPad

Returns ( [transfer: none] ) –

The currently queued buffer

#### GstVideo.VideoAggregatorPad.prototype.get_current_buffer

    function GstVideo.VideoAggregatorPad.prototype.get_current_buffer(): {
        // javascript wrapper for 'gst_video_aggregator_pad_get_current_buffer'
    }

Returns the currently queued buffer that is going to be used for the current output frame.

This must only be called from the vfunc_aggregate_frames virtual method, or from the vfunc_prepare_frame virtual method of the aggregator pads.

The return value is only valid until vfunc_aggregate_frames or vfunc_prepare_frame returns.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( Gst.Buffer ) –

The currently queued buffer

#### GstVideo.VideoAggregatorPad.get_current_buffer

    def GstVideo.VideoAggregatorPad.get_current_buffer (self):
        #python wrapper for 'gst_video_aggregator_pad_get_current_buffer'

Returns the currently queued buffer that is going to be used for the current output frame.

This must only be called from the do_aggregate_frames virtual method, or from the do_prepare_frame virtual method of the aggregator pads.

The return value is only valid until do_aggregate_frames or do_prepare_frame returns.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( Gst.Buffer ) –

The currently queued buffer

#### gst_video_aggregator_pad_get_prepared_frame

    GstVideoFrame *
    gst_video_aggregator_pad_get_prepared_frame (GstVideoAggregatorPad * pad)

Returns the currently prepared video frame that has to be aggregated into the current output frame.

This must only be called from the aggregate_frames virtual method, or from the prepare_frame virtual method of the aggregator pads.

The return value is only valid until aggregate_frames or prepare_frame returns.

Parameters:

`pad` –

a GstVideoAggregatorPad

Returns ( [transfer: none] ) –

The currently prepared video frame

#### GstVideo.VideoAggregatorPad.prototype.get_prepared_frame

    function GstVideo.VideoAggregatorPad.prototype.get_prepared_frame(): {
        // javascript wrapper for 'gst_video_aggregator_pad_get_prepared_frame'
    }

Returns the currently prepared video frame that has to be aggregated into the current output frame.

This must only be called from the vfunc_aggregate_frames virtual method, or from the vfunc_prepare_frame virtual method of the aggregator pads.

The return value is only valid until vfunc_aggregate_frames or vfunc_prepare_frame returns.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( GstVideo.VideoFrame ) –

The currently prepared video frame

#### GstVideo.VideoAggregatorPad.get_prepared_frame

    def GstVideo.VideoAggregatorPad.get_prepared_frame (self):
        #python wrapper for 'gst_video_aggregator_pad_get_prepared_frame'

Returns the currently prepared video frame that has to be aggregated into the current output frame.

This must only be called from the do_aggregate_frames virtual method, or from the do_prepare_frame virtual method of the aggregator pads.

The return value is only valid until do_aggregate_frames or do_prepare_frame returns.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( GstVideo.VideoFrame ) –

The currently prepared video frame

#### gst_video_aggregator_pad_has_current_buffer

    gboolean
    gst_video_aggregator_pad_has_current_buffer (GstVideoAggregatorPad * pad)

Checks if the pad currently has a buffer queued that is going to be used for the current output frame.

This must only be called from the aggregate_frames virtual method, or from the prepare_frame virtual method of the aggregator pads.

Parameters:

`pad` –

a GstVideoAggregatorPad

Returns –

TRUE if the pad has currently a buffer queued

#### GstVideo.VideoAggregatorPad.prototype.has_current_buffer

    function GstVideo.VideoAggregatorPad.prototype.has_current_buffer(): {
        // javascript wrapper for 'gst_video_aggregator_pad_has_current_buffer'
    }

Checks if the pad currently has a buffer queued that is going to be used for the current output frame.

This must only be called from the vfunc_aggregate_frames virtual method, or from the vfunc_prepare_frame virtual method of the aggregator pads.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( Number ) –

true if the pad has currently a buffer queued

#### GstVideo.VideoAggregatorPad.has_current_buffer

    def GstVideo.VideoAggregatorPad.has_current_buffer (self):
        #python wrapper for 'gst_video_aggregator_pad_has_current_buffer'

Checks if the pad currently has a buffer queued that is going to be used for the current output frame.

This must only be called from the do_aggregate_frames virtual method, or from the do_prepare_frame virtual method of the aggregator pads.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

Returns ( bool ) –

True if the pad has currently a buffer queued

#### gst_video_aggregator_pad_set_needs_alpha

    gst_video_aggregator_pad_set_needs_alpha (GstVideoAggregatorPad * pad,
                                              gboolean needs_alpha)

Allows selecting that this pad requires an output format with alpha

Parameters:

`pad` –

a GstVideoAggregatorPad

`needs_alpha` –

TRUE if this pad requires alpha output

#### GstVideo.VideoAggregatorPad.prototype.set_needs_alpha

    function GstVideo.VideoAggregatorPad.prototype.set_needs_alpha(needs_alpha: Number): {
        // javascript wrapper for 'gst_video_aggregator_pad_set_needs_alpha'
    }

Allows selecting that this pad requires an output format with alpha

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

`needs_alpha` ( Number ) –

true if this pad requires alpha output

#### GstVideo.VideoAggregatorPad.set_needs_alpha

    def GstVideo.VideoAggregatorPad.set_needs_alpha (self, needs_alpha):
        #python wrapper for 'gst_video_aggregator_pad_set_needs_alpha'

Allows selecting that this pad requires an output format with alpha

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –

a GstVideo.VideoAggregatorPad

`needs_alpha` ( bool ) –

True if this pad requires alpha output

### Properties

#### max-last-buffer-repeat

    “max-last-buffer-repeat” guint64

Flags : Read / Write

#### max-last-buffer-repeat

    “max-last-buffer-repeat” Number

Flags : Read / Write

#### max_last_buffer_repeat

    “self.props.max_last_buffer_repeat” int

Flags : Read / Write

#### repeat-after-eos

    “repeat-after-eos” gboolean

Flags : Read / Write

#### repeat-after-eos

    “repeat-after-eos” Number

Flags : Read / Write

#### repeat_after_eos

    “self.props.repeat_after_eos” bool

Flags : Read / Write

#### zorder

    “zorder” guint

Flags : Read / Write

#### zorder

    “zorder” Number

Flags : Read / Write

#### zorder

    “self.props.zorder” int

Flags : Read / Write

### Virtual Methods

#### clean_frame

    clean_frame (GstVideoAggregatorPad * pad,
                 GstVideoAggregator * videoaggregator,
                 GstVideoFrame * prepared_frame)

clean the frame previously prepared in prepare_frame

Parameters:

`pad` –
No description available
`videoaggregator` –
No description available
`prepared_frame` –
No description available

#### clean_frame

    function clean_frame(pad: GstVideo.VideoAggregatorPad, videoaggregator: GstVideo.VideoAggregator, prepared_frame: GstVideo.VideoFrame): {
        // javascript implementation of the 'clean_frame' virtual method
    }

clean the frame previously prepared in prepare_frame

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available
`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`prepared_frame` ( GstVideo.VideoFrame ) –
No description available

#### clean_frame

    def clean_frame (pad, videoaggregator, prepared_frame):
        #python implementation of the 'clean_frame' virtual method

clean the frame previously prepared in prepare_frame

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available
`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`prepared_frame` ( GstVideo.VideoFrame ) –
No description available

#### prepare_frame

    gboolean
    prepare_frame (GstVideoAggregatorPad * pad,
                   GstVideoAggregator * videoaggregator,
                   GstBuffer * buffer,
                   GstVideoFrame * prepared_frame)

Prepare the frame from the pad buffer and sets it to prepared_frame

Parameters:

`pad` –
No description available
`videoaggregator` –
No description available
`buffer` –
No description available
`prepared_frame` –
No description available
Returns –
No description available

#### prepare_frame

    function prepare_frame(pad: GstVideo.VideoAggregatorPad, videoaggregator: GstVideo.VideoAggregator, buffer: Gst.Buffer, prepared_frame: GstVideo.VideoFrame): {
        // javascript implementation of the 'prepare_frame' virtual method
    }

Prepare the frame from the pad buffer and sets it to prepared_frame

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available
`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`buffer` ( Gst.Buffer ) –
No description available
`prepared_frame` ( GstVideo.VideoFrame ) –
No description available
Returns ( Number ) –
No description available

#### prepare_frame

    def prepare_frame (pad, videoaggregator, buffer, prepared_frame):
        #python implementation of the 'prepare_frame' virtual method

Prepare the frame from the pad buffer and sets it to prepared_frame

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available
`videoaggregator` ( GstVideo.VideoAggregator ) –
No description available
`buffer` ( Gst.Buffer ) –
No description available
`prepared_frame` ( GstVideo.VideoFrame ) –
No description available
Returns ( bool ) –
No description available

#### update_conversion_info

    update_conversion_info (GstVideoAggregatorPad * pad)

Called when either the input or output formats have changed.

Parameters:

`pad` –
No description available

#### update_conversion_info

    function update_conversion_info(pad: GstVideo.VideoAggregatorPad): {
        // javascript implementation of the 'update_conversion_info' virtual method
    }

Called when either the input or output formats have changed.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available

#### update_conversion_info

    def update_conversion_info (pad):
        #python implementation of the 'update_conversion_info' virtual method

Called when either the input or output formats have changed.

Parameters:

`pad` ( GstVideo.VideoAggregatorPad ) –
No description available

## Function Macros

### GST_VIDEO_AGGREGATOR_CAST

    #define GST_VIDEO_AGGREGATOR_CAST(obj) ((GstVideoAggregator *)(obj))

### GST_VIDEO_AGGREGATOR_PAD_CAST

    #define GST_VIDEO_AGGREGATOR_PAD_CAST(obj) ((GstVideoAggregatorPad *)(obj))

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