Gstav1Decoder
GstAV1Decoder
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstVideoDecoder ╰──GstAV1Decoder
The opaque GstAV1Decoder data structure.
Since : 1.20
Class structure
GstCodecs.AV1DecoderClass
Attributes
parent_class
(GstVideo.VideoDecoderClass)
–
GstCodecs.AV1DecoderClass
Attributes
parent_class
(GstVideo.VideoDecoderClass)
–
GstCodecs.AV1Decoder
GObject.Object ╰──GObject.InitiallyUnowned ╰──Gst.Object ╰──Gst.Element ╰──GstVideo.VideoDecoder ╰──GstCodecs.AV1Decoder
The opaque GstCodecs.AV1Decoder data structure.
Since : 1.20
GstCodecs.AV1Decoder
GObject.Object ╰──GObject.InitiallyUnowned ╰──Gst.Object ╰──Gst.Element ╰──GstVideo.VideoDecoder ╰──GstCodecs.AV1Decoder
The opaque GstCodecs.AV1Decoder data structure.
Since : 1.20
Virtual Methods
decode_tile
GstFlowReturn decode_tile (GstAV1Decoder * decoder, GstAV1Picture * picture, GstAV1Tile * tile)
Provides the tile data with tile group header and required raw bitstream for subclass to decode it.
Parameters:
decoder
–
picture
(
[transfer: none])
–
tile
(
[transfer: none])
–
Since : 1.20
vfunc_decode_tile
function vfunc_decode_tile(decoder: GstCodecs.AV1Decoder, picture: GstCodecs.AV1Picture, tile: GstCodecs.AV1Tile): {
// javascript implementation of the 'decode_tile' virtual method
}
Provides the tile data with tile group header and required raw bitstream for subclass to decode it.
Parameters:
Since : 1.20
do_decode_tile
def do_decode_tile (decoder, picture, tile):
#python implementation of the 'decode_tile' virtual method
Provides the tile data with tile group header and required raw bitstream for subclass to decode it.
Parameters:
Since : 1.20
duplicate_picture
GstAV1Picture * duplicate_picture (GstAV1Decoder * decoder, GstVideoCodecFrame * frame, GstAV1Picture * picture)
Called when need to duplicate an existing GstAV1Picture. As duplicated key-frame will populate the DPB, this virtual function is not optional.
Parameters:
decoder
–
frame
(
[transfer: none])
–
the current GstVideoCodecFrame
picture
(
[transfer: none])
–
Since : 1.22
vfunc_duplicate_picture
function vfunc_duplicate_picture(decoder: GstCodecs.AV1Decoder, frame: GstVideo.VideoCodecFrame, picture: GstCodecs.AV1Picture): {
// javascript implementation of the 'duplicate_picture' virtual method
}
Called when need to duplicate an existing GstCodecs.AV1Picture. As duplicated key-frame will populate the DPB, this virtual function is not optional.
Since : 1.22
do_duplicate_picture
def do_duplicate_picture (decoder, frame, picture):
#python implementation of the 'duplicate_picture' virtual method
Called when need to duplicate an existing GstCodecs.AV1Picture. As duplicated key-frame will populate the DPB, this virtual function is not optional.
Since : 1.22
end_picture
GstFlowReturn end_picture (GstAV1Decoder * decoder, GstAV1Picture * picture)
Optional. Called per one GstAV1Picture to notify subclass to finish decoding process for the GstAV1Picture
Since : 1.20
vfunc_end_picture
function vfunc_end_picture(decoder: GstCodecs.AV1Decoder, picture: GstCodecs.AV1Picture): {
// javascript implementation of the 'end_picture' virtual method
}
Optional. Called per one GstCodecs.AV1Picture to notify subclass to finish decoding process for the GstCodecs.AV1Picture
Parameters:
Since : 1.20
do_end_picture
def do_end_picture (decoder, picture):
#python implementation of the 'end_picture' virtual method
Optional. Called per one GstCodecs.AV1Picture to notify subclass to finish decoding process for the GstCodecs.AV1Picture
Parameters:
Since : 1.20
get_preferred_output_delay
guint get_preferred_output_delay (GstAV1Decoder * decoder, gboolean live)
Optional. Called by baseclass to query whether delaying output is preferred by subclass or not.
the number of perferred delayed output frame
Since : 1.22
vfunc_get_preferred_output_delay
function vfunc_get_preferred_output_delay(decoder: GstCodecs.AV1Decoder, live: Number): {
// javascript implementation of the 'get_preferred_output_delay' virtual method
}
Optional. Called by baseclass to query whether delaying output is preferred by subclass or not.
Parameters:
whether upstream is live or not
the number of perferred delayed output frame
Since : 1.22
do_get_preferred_output_delay
def do_get_preferred_output_delay (decoder, live):
#python implementation of the 'get_preferred_output_delay' virtual method
Optional. Called by baseclass to query whether delaying output is preferred by subclass or not.
Parameters:
whether upstream is live or not
the number of perferred delayed output frame
Since : 1.22
new_picture
GstFlowReturn new_picture (GstAV1Decoder * decoder, GstVideoCodecFrame * frame, GstAV1Picture * picture)
Optional. Called whenever new GstAV1Picture is created. Subclass can set implementation specific user data on the GstAV1Picture via gst_av1_picture_set_user_data
Parameters:
decoder
–
frame
(
[transfer: none])
–
picture
(
[transfer: none])
–
Since : 1.20
vfunc_new_picture
function vfunc_new_picture(decoder: GstCodecs.AV1Decoder, frame: GstVideo.VideoCodecFrame, picture: GstCodecs.AV1Picture): {
// javascript implementation of the 'new_picture' virtual method
}
Optional. Called whenever new GstCodecs.AV1Picture is created. Subclass can set implementation specific user data on the GstCodecs.AV1Picture via gst_av1_picture_set_user_data
Parameters:
Since : 1.20
do_new_picture
def do_new_picture (decoder, frame, picture):
#python implementation of the 'new_picture' virtual method
Optional. Called whenever new GstCodecs.AV1Picture is created. Subclass can set implementation specific user data on the GstCodecs.AV1Picture via gst_av1_picture_set_user_data
Parameters:
Since : 1.20
new_sequence
GstFlowReturn new_sequence (GstAV1Decoder * decoder, const GstAV1SequenceHeaderOBU * seq_hdr, gint max_dpb_size)
Notifies subclass of SPS update
Parameters:
decoder
–
seq_hdr
–
max_dpb_size
–
the size of dpb including preferred output delay by subclass reported via get_preferred_output_delay method.
Since : 1.20
output_picture
GstFlowReturn output_picture (GstAV1Decoder * decoder, GstVideoCodecFrame * frame, GstAV1Picture * picture)
Called with a GstAV1Picture which is required to be outputted. The GstVideoCodecFrame must be consumed by subclass.
Parameters:
decoder
–
frame
(
[transfer: full])
–
picture
(
[transfer: full])
–
Since : 1.20
vfunc_output_picture
function vfunc_output_picture(decoder: GstCodecs.AV1Decoder, frame: GstVideo.VideoCodecFrame, picture: GstCodecs.AV1Picture): {
// javascript implementation of the 'output_picture' virtual method
}
Called with a GstCodecs.AV1Picture which is required to be outputted. The GstVideo.VideoCodecFrame must be consumed by subclass.
Parameters:
Since : 1.20
do_output_picture
def do_output_picture (decoder, frame, picture):
#python implementation of the 'output_picture' virtual method
Called with a GstCodecs.AV1Picture which is required to be outputted. The GstVideo.VideoCodecFrame must be consumed by subclass.
Parameters:
Since : 1.20
start_picture
GstFlowReturn start_picture (GstAV1Decoder * decoder, GstAV1Picture * picture, GstAV1Dpb * dpb)
Optional. Called per one GstAV1Picture to notify subclass to prepare decoding process for the GstAV1Picture
Parameters:
decoder
–
picture
(
[transfer: none])
–
dpb
(
[transfer: none])
–
Since : 1.20
vfunc_start_picture
function vfunc_start_picture(decoder: GstCodecs.AV1Decoder, picture: GstCodecs.AV1Picture, dpb: GstCodecs.AV1Dpb): {
// javascript implementation of the 'start_picture' virtual method
}
Optional. Called per one GstCodecs.AV1Picture to notify subclass to prepare decoding process for the GstCodecs.AV1Picture
Parameters:
Since : 1.20
do_start_picture
def do_start_picture (decoder, picture, dpb):
#python implementation of the 'start_picture' virtual method
Optional. Called per one GstCodecs.AV1Picture to notify subclass to prepare decoding process for the GstCodecs.AV1Picture
Parameters:
Since : 1.20
GstCodecs.AV1Dpb
Members
pic_list
([ GstCodecs.AV1Picture ])
–
Since : 1.20
GstCodecs.AV1Dpb
Members
pic_list
([ GstCodecs.AV1Picture ])
–
Since : 1.20
Methods
gst_av1_dpb_add
gst_av1_dpb_add (GstAV1Dpb * dpb, GstAV1Picture * picture)
Store the picture
Since : 1.20
GstCodecs.AV1Dpb.prototype.add
function GstCodecs.AV1Dpb.prototype.add(picture: GstCodecs.AV1Picture): {
// javascript wrapper for 'gst_av1_dpb_add'
}
Store the picture
Parameters:
Since : 1.20
GstCodecs.AV1Dpb.add
def GstCodecs.AV1Dpb.add (self, picture):
#python wrapper for 'gst_av1_dpb_add'
Store the picture
Parameters:
Since : 1.20
gst_av1_dpb_clear
gst_av1_dpb_clear (GstAV1Dpb * dpb)
Clear all stored GstAV1Picture
Parameters:
dpb
–
Since : 1.20
GstCodecs.AV1Dpb.prototype.clear
function GstCodecs.AV1Dpb.prototype.clear(): {
// javascript wrapper for 'gst_av1_dpb_clear'
}
Clear all stored GstCodecs.AV1Picture
Parameters:
Since : 1.20
GstCodecs.AV1Dpb.clear
def GstCodecs.AV1Dpb.clear (self):
#python wrapper for 'gst_av1_dpb_clear'
Clear all stored GstCodecs.AV1Picture
Parameters:
Since : 1.20
gst_av1_dpb_free
gst_av1_dpb_free (GstAV1Dpb * dpb)
Free the dpb
Parameters:
dpb
–
a GstAV1Dpb to free
Since : 1.20
GstCodecs.AV1Dpb.prototype.free
function GstCodecs.AV1Dpb.prototype.free(): {
// javascript wrapper for 'gst_av1_dpb_free'
}
Free the dpb
Parameters:
a GstCodecs.AV1Dpb to free
Since : 1.20
GstCodecs.AV1Dpb.free
def GstCodecs.AV1Dpb.free (self):
#python wrapper for 'gst_av1_dpb_free'
Free the dpb
Parameters:
a GstCodecs.AV1Dpb to free
Since : 1.20
Functions
gst_av1_dpb_new
GstAV1Dpb * gst_av1_dpb_new ()
Create new GstAV1Dpb
a new GstAV1Dpb
Since : 1.20
GstAV1Picture
Since : 1.20
GstCodecs.AV1Picture
Since : 1.20
GstCodecs.AV1Picture
Since : 1.20
Constructors
gst_av1_picture_new
GstAV1Picture * gst_av1_picture_new ()
Create new GstAV1Picture
a new GstAV1Picture
Since : 1.20
GstCodecs.AV1Picture.prototype.new
function GstCodecs.AV1Picture.prototype.new(): {
// javascript wrapper for 'gst_av1_picture_new'
}
Create new GstCodecs.AV1Picture
a new GstCodecs.AV1Picture
Since : 1.20
GstCodecs.AV1Picture.new
def GstCodecs.AV1Picture.new ():
#python wrapper for 'gst_av1_picture_new'
Create new GstCodecs.AV1Picture
a new GstCodecs.AV1Picture
Since : 1.20
GstAV1Tile
Members
tile_group
(GstAV1TileGroupOBU)
–
obu
(GstAV1OBU)
–
Since : 1.20
GstCodecs.AV1Tile
Members
tile_group (not introspectable)
(object)
–
obu (not introspectable)
(object)
–
Since : 1.20
GstCodecs.AV1Tile
Members
tile_group (not introspectable)
(object)
–
obu (not introspectable)
(object)
–
Since : 1.20
Function Macros
GST_AV1_PICTURE
#define GST_AV1_PICTURE(obj) ((GstAV1Picture *)obj)
Since : 1.20
GST_IS_AV1_PICTURE
#define GST_IS_AV1_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_AV1_PICTURE))
Since : 1.20
Constants
GST_TYPE_AV1_PICTURE
#define GST_TYPE_AV1_PICTURE (gst_av1_picture_get_type())
Since : 1.20
The results of the search are