GstPbutils.AudioVisualizer¶

Subclasses:: None

Methods¶

Inherited:: Gst.Element (82), Gst.Object (27), GObject.Object (37)
Structs:: Gst.ElementClass (10), GObject.ObjectClass (5)

Virtual Methods¶

Inherited:: Gst.Element (16), Gst.Object (1), GObject.Object (7)

	`do_decide_allocation` (query)
	`do_render` (audio, video)
	`do_setup` ()

Properties¶

Inherited:: Gst.Object (2)

Name	Type	Flags	Short Description
`shade-amount`	`int`	r/w	Shading color to use (big-endian ARGB)
`shader`	`GstPbutils.AudioVisualizerShader`	r/w	Shader function to apply on each frame

Signals¶

Inherited:: Gst.Element (3), Gst.Object (1), GObject.Object (1)

Fields¶

Inherited:: Gst.Element (3), Gst.Object (1), GObject.Object (1)

Name	Type	Access
ainfo	`GstAudio.AudioInfo`	r
parent	`Gst.Element`	r
req_spf	`int`	r
vinfo	`GstVideo.VideoInfo`	r

Class Details¶

class GstPbutils.AudioVisualizer(**kwargs)¶

Bases:: Gst.Element
Abstract:: Yes
Structure:: GstPbutils.AudioVisualizerClass

A baseclass for scopes (visualizers). It takes care of re-fitting the audio-rate to video-rate and handles renegotiation (downstream video size changes).

It also provides several background shading effects. These effects are applied to a previous picture before the render() implementation can draw a new frame.

do_decide_allocation(query) virtual¶

Parameters:: query (Gst.Query) –
Return type:: bool

do_render(audio, video) virtual¶

Parameters:

audio (Gst.Buffer) –
video (GstVideo.VideoFrame) –

Return type:

bool

do_setup() virtual¶

Return type:: bool

Property Details¶

GstPbutils.AudioVisualizer.props.shade_amount¶

Name:: shade-amount
Type:: int
Default Value:: 657930
Flags:: READABLE, WRITABLE

Shading color to use (big-endian ARGB)

GstPbutils.AudioVisualizer.props.shader¶

Name:: shader
Type:: GstPbutils.AudioVisualizerShader
Default Value:: GstPbutils.AudioVisualizerShader.FADE
Flags:: READABLE, WRITABLE

Shader function to apply on each frame