Gstvp9Decoder

GstVp9Decoder

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoDecoder
                    ╰──GstVp9Decoder

The opaque GstVp9Decoder data structure.


Class structure

GstVp9DecoderClass

Fields
parent_class (GstVideoDecoderClass) –
No description available

GstCodecs.Vp9DecoderClass

Attributes
parent_class (GstVideo.VideoDecoderClass) –
No description available

GstCodecs.Vp9DecoderClass

Attributes
parent_class (GstVideo.VideoDecoderClass) –
No description available

GstCodecs.Vp9Decoder

GObject.Object
    ╰──GObject.InitiallyUnowned
        ╰──Gst.Object
            ╰──Gst.Element
                ╰──GstVideo.VideoDecoder
                    ╰──GstCodecs.Vp9Decoder

The opaque GstCodecs.Vp9Decoder data structure.


GstCodecs.Vp9Decoder

GObject.Object
    ╰──GObject.InitiallyUnowned
        ╰──Gst.Object
            ╰──Gst.Element
                ╰──GstVideo.VideoDecoder
                    ╰──GstCodecs.Vp9Decoder

The opaque GstCodecs.Vp9Decoder data structure.


Virtual Methods

decode_picture

gboolean
decode_picture (GstVp9Decoder * decoder,
                GstVp9Picture * picture,
                GstVp9Dpb * dpb)

Parameters:

decoder
No description available
picture
No description available
dpb
No description available
Returns
No description available

vfunc_decode_picture

function vfunc_decode_picture(decoder: GstCodecs.Vp9Decoder, picture: GstCodecs.Vp9Picture, dpb: GstCodecs.Vp9Dpb): {
    // javascript implementation of the 'decode_picture' virtual method
}

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
dpb (GstCodecs.Vp9Dpb)
No description available
Returns (Number)
No description available

do_decode_picture

def do_decode_picture (decoder, picture, dpb):
    #python implementation of the 'decode_picture' virtual method

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
dpb (GstCodecs.Vp9Dpb)
No description available
Returns (bool)
No description available

duplicate_picture

GstVp9Picture *
duplicate_picture (GstVp9Decoder * decoder,
                   GstVp9Picture * picture)

Duplicate the GstVp9Picture

Parameters:

decoder
No description available
picture
No description available
Returns
No description available

vfunc_duplicate_picture

function vfunc_duplicate_picture(decoder: GstCodecs.Vp9Decoder, picture: GstCodecs.Vp9Picture): {
    // javascript implementation of the 'duplicate_picture' virtual method
}

Duplicate the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (GstCodecs.Vp9Picture)
No description available

do_duplicate_picture

def do_duplicate_picture (decoder, picture):
    #python implementation of the 'duplicate_picture' virtual method

Duplicate the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (GstCodecs.Vp9Picture)
No description available

end_picture

gboolean
end_picture (GstVp9Decoder * decoder,
             GstVp9Picture * picture)

Optional. Called per one GstVp9Picture to notify subclass to finish decoding process for the GstVp9Picture

Parameters:

decoder
No description available
picture
No description available
Returns
No description available

vfunc_end_picture

function vfunc_end_picture(decoder: GstCodecs.Vp9Decoder, picture: GstCodecs.Vp9Picture): {
    // javascript implementation of the 'end_picture' virtual method
}

Optional. Called per one GstCodecs.Vp9Picture to notify subclass to finish decoding process for the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (Number)
No description available

do_end_picture

def do_end_picture (decoder, picture):
    #python implementation of the 'end_picture' virtual method

Optional. Called per one GstCodecs.Vp9Picture to notify subclass to finish decoding process for the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (bool)
No description available

new_picture

gboolean
new_picture (GstVp9Decoder * decoder,
             GstVideoCodecFrame * frame,
             GstVp9Picture * picture)

Optional. Called whenever new GstVp9Picture is created. Subclass can set implementation specific user data on the GstVp9Picture via gst_vp9_picture_set_user_data

Parameters:

decoder
No description available
frame
No description available
picture
No description available
Returns
No description available

vfunc_new_picture

function vfunc_new_picture(decoder: GstCodecs.Vp9Decoder, frame: GstVideo.VideoCodecFrame, picture: GstCodecs.Vp9Picture): {
    // javascript implementation of the 'new_picture' virtual method
}

Optional. Called whenever new GstCodecs.Vp9Picture is created. Subclass can set implementation specific user data on the GstCodecs.Vp9Picture via GstCodecs.Vp9Picture.prototype.set_user_data

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (Number)
No description available

do_new_picture

def do_new_picture (decoder, frame, picture):
    #python implementation of the 'new_picture' virtual method

Optional. Called whenever new GstCodecs.Vp9Picture is created. Subclass can set implementation specific user data on the GstCodecs.Vp9Picture via GstCodecs.Vp9Picture.set_user_data

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (bool)
No description available

new_sequence

gboolean
new_sequence (GstVp9Decoder * decoder,
              const GstVp9Parser * parser,
              const GstVp9FrameHdr * frame_hdr)

Notifies subclass of SPS update

Parameters:

decoder
No description available
parser
No description available
frame_hdr
No description available
Returns
No description available

output_picture

GstFlowReturn
output_picture (GstVp9Decoder * decoder,
                GstVideoCodecFrame * frame,
                GstVp9Picture * picture)

Called with a GstVp9Picture which is required to be outputted. Subclass can retrieve parent GstVideoCodecFrame by using gst_video_decoder_get_frame with system_frame_number and the GstVideoCodecFrame must be consumed by subclass via gst_video_decoder_{finish,drop,release}_frame.

Parameters:

decoder
No description available
frame
No description available
picture
No description available
Returns
No description available

vfunc_output_picture

function vfunc_output_picture(decoder: GstCodecs.Vp9Decoder, frame: GstVideo.VideoCodecFrame, picture: GstCodecs.Vp9Picture): {
    // javascript implementation of the 'output_picture' virtual method
}

Called with a GstCodecs.Vp9Picture which is required to be outputted. Subclass can retrieve parent GstVideo.VideoCodecFrame by using GstVideo.VideoDecoder.prototype.get_frame with system_frame_number and the GstVideo.VideoCodecFrame must be consumed by subclass via gst_video_decoder_{finish,drop,release}_frame.

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (Gst.FlowReturn)
No description available

do_output_picture

def do_output_picture (decoder, frame, picture):
    #python implementation of the 'output_picture' virtual method

Called with a GstCodecs.Vp9Picture which is required to be outputted. Subclass can retrieve parent GstVideo.VideoCodecFrame by using GstVideo.VideoDecoder.get_frame with system_frame_number and the GstVideo.VideoCodecFrame must be consumed by subclass via gst_video_decoder_{finish,drop,release}_frame.

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (Gst.FlowReturn)
No description available

start_picture

gboolean
start_picture (GstVp9Decoder * decoder,
               GstVp9Picture * picture)

Optional. Called per one GstVp9Picture to notify subclass to prepare decoding process for the GstVp9Picture

Parameters:

decoder
No description available
picture
No description available
Returns
No description available

vfunc_start_picture

function vfunc_start_picture(decoder: GstCodecs.Vp9Decoder, picture: GstCodecs.Vp9Picture): {
    // javascript implementation of the 'start_picture' virtual method
}

Optional. Called per one GstCodecs.Vp9Picture to notify subclass to prepare decoding process for the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (Number)
No description available

do_start_picture

def do_start_picture (decoder, picture):
    #python implementation of the 'start_picture' virtual method

Optional. Called per one GstCodecs.Vp9Picture to notify subclass to prepare decoding process for the GstCodecs.Vp9Picture

Parameters:

decoder (GstCodecs.Vp9Decoder)
No description available
picture (GstCodecs.Vp9Picture)
No description available
Returns (bool)
No description available

GstVp9Dpb

Members

pic_list (GstVp9Picture *) –
No description available

GstCodecs.Vp9Dpb

Members

pic_list ([ GstCodecs.Vp9Picture ]) –
No description available

GstCodecs.Vp9Dpb

Members

pic_list ([ GstCodecs.Vp9Picture ]) –
No description available

Methods

gst_vp9_dpb_add

gst_vp9_dpb_add (GstVp9Dpb * dpb,
                 GstVp9Picture * picture)

Store the picture

Parameters:

dpb

a GstVp9Dpb

picture ( [transfer: full])

a GstVp9Picture


GstCodecs.Vp9Dpb.prototype.add

function GstCodecs.Vp9Dpb.prototype.add(picture: GstCodecs.Vp9Picture): {
    // javascript wrapper for 'gst_vp9_dpb_add'
}

Store the picture


GstCodecs.Vp9Dpb.add

def GstCodecs.Vp9Dpb.add (self, picture):
    #python wrapper for 'gst_vp9_dpb_add'

Store the picture


gst_vp9_dpb_clear

gst_vp9_dpb_clear (GstVp9Dpb * dpb)

Clear all stored GstVp9Picture

Parameters:

dpb

a GstVp9Dpb


GstCodecs.Vp9Dpb.prototype.clear

function GstCodecs.Vp9Dpb.prototype.clear(): {
    // javascript wrapper for 'gst_vp9_dpb_clear'
}

Clear all stored GstCodecs.Vp9Picture

Parameters:


GstCodecs.Vp9Dpb.clear

def GstCodecs.Vp9Dpb.clear (self):
    #python wrapper for 'gst_vp9_dpb_clear'

Clear all stored GstCodecs.Vp9Picture

Parameters:


gst_vp9_dpb_free

gst_vp9_dpb_free (GstVp9Dpb * dpb)

Free the dpb

Parameters:

dpb

a GstVp9Dpb to free


GstCodecs.Vp9Dpb.prototype.free

function GstCodecs.Vp9Dpb.prototype.free(): {
    // javascript wrapper for 'gst_vp9_dpb_free'
}

Free the dpb

Parameters:

dpb (GstCodecs.Vp9Dpb)

a GstCodecs.Vp9Dpb to free


GstCodecs.Vp9Dpb.free

def GstCodecs.Vp9Dpb.free (self):
    #python wrapper for 'gst_vp9_dpb_free'

Free the dpb

Parameters:

dpb (GstCodecs.Vp9Dpb)

a GstCodecs.Vp9Dpb to free


Functions

gst_vp9_dpb_new

GstVp9Dpb *
gst_vp9_dpb_new ()

Create new GstVp9Dpb

Returns

a new GstVp9Dpb


GstVp9Picture


GstCodecs.Vp9Picture


GstCodecs.Vp9Picture


Constructors

gst_vp9_picture_new

GstVp9Picture *
gst_vp9_picture_new ()

Create new GstVp9Picture

Returns

a new GstVp9Picture


GstCodecs.Vp9Picture.prototype.new

function GstCodecs.Vp9Picture.prototype.new(): {
    // javascript wrapper for 'gst_vp9_picture_new'
}

Create new GstCodecs.Vp9Picture


GstCodecs.Vp9Picture.new

def GstCodecs.Vp9Picture.new ():
    #python wrapper for 'gst_vp9_picture_new'

Create new GstCodecs.Vp9Picture


Methods

gst_vp9_picture_get_user_data

gpointer
gst_vp9_picture_get_user_data (GstVp9Picture * picture)

Gets private data set on the picture via gst_vp9_picture_set_user_data previously.

Parameters:

picture

a GstVp9Picture

Returns ( [transfer: none])

The previously set user_data


GstCodecs.Vp9Picture.prototype.get_user_data

function GstCodecs.Vp9Picture.prototype.get_user_data(): {
    // javascript wrapper for 'gst_vp9_picture_get_user_data'
}

Gets private data set on the picture via GstCodecs.Vp9Picture.prototype.set_user_data previously.

Parameters:

Returns (Object)

The previously set user_data


GstCodecs.Vp9Picture.get_user_data

def GstCodecs.Vp9Picture.get_user_data (self):
    #python wrapper for 'gst_vp9_picture_get_user_data'

Gets private data set on the picture via GstCodecs.Vp9Picture.set_user_data previously.

Parameters:

Returns (object)

The previously set user_data


gst_vp9_picture_set_user_data

gst_vp9_picture_set_user_data (GstVp9Picture * picture,
                               gpointer user_data,
                               GDestroyNotify notify)

Sets user_data on the picture and the GDestroyNotify that will be called when the picture is freed.

If a user_data was previously set, then the previous set notify will be called before the user_data is replaced.

Parameters:

picture

a GstVp9Picture

user_data

private data

notify ( [closure])

a GDestroyNotify


GstCodecs.Vp9Picture.prototype.set_user_data

function GstCodecs.Vp9Picture.prototype.set_user_data(user_data: Object, notify: GLib.DestroyNotify): {
    // javascript wrapper for 'gst_vp9_picture_set_user_data'
}

Sets user_data on the picture and the GLib.DestroyNotify that will be called when the picture is freed.

If a user_data was previously set, then the previous set notify will be called before the user_data is replaced.

Parameters:

user_data (Object)

private data


GstCodecs.Vp9Picture.set_user_data

def GstCodecs.Vp9Picture.set_user_data (self, *user_data, notify):
    #python wrapper for 'gst_vp9_picture_set_user_data'

Sets user_data on the picture and the GLib.DestroyNotify that will be called when the picture is freed.

If a user_data was previously set, then the previous set notify will be called before the user_data is replaced.

Parameters:

user_data (variadic)

private data


Function Macros

GST_IS_VP9_PICTURE

#define GST_IS_VP9_PICTURE(obj)  (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_VP9_PICTURE))

GST_VP9_DECODER_CAST

#define GST_VP9_DECODER_CAST(obj)       ((GstVP9Decoder*)obj)

GST_VP9_PICTURE

#define GST_VP9_PICTURE(obj)     ((GstVp9Picture *)obj)

GST_VP9_PICTURE_CAST

#define GST_VP9_PICTURE_CAST(obj) (GST_VP9_PICTURE(obj))

Constants

GST_TYPE_VP9_PICTURE

#define GST_TYPE_VP9_PICTURE     (gst_vp9_picture_get_type())

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