vp8dec

vp8dec

Properties

Types and Values

struct GstVP8Dec

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstVideoDecoder
                    ╰── GstVPXDec
                        ╰── GstVP8Dec

Description

This element decodes VP8 streams into raw video.

VP8 is a royalty-free

video codec maintained by Google . It's the successor of On2 VP3, which was the base of the Theora video codec.

Example pipeline

gst-launch-1.0 -v filesrc location=videotestsrc.webm ! matroskademux ! vp8dec ! videoconvert ! videoscale ! autovideosink
This example pipeline will decode a WebM stream and decodes the VP8 video.

Synopsis

Element Information

plugin

vpx

author

David Schleef <ds@entropywave.com>, Sebastian Dröge <sebastian.droege@collabora.co.uk>

class

Codec/Decoder/Video

Element Pads

name

sink

direction

sink

presence

always

details

video/x-vp8

name

src

direction

source

presence

always

details

video/x-raw, format=(string)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstVP8Dec

struct GstVP8Dec;

Property Details

The “deblocking-level” property

  “deblocking-level”         guint

Deblocking level.

Flags: Read / Write

Allowed values: <= 16

Default value: 4

The “noise-level” property

  “noise-level”              guint

Noise level.

Flags: Read / Write

Allowed values: <= 16

Default value: 0

The “post-processing” property

  “post-processing”          gboolean

Enable post processing.

Flags: Read / Write

Default value: FALSE

The “post-processing-flags” property

  “post-processing-flags”    GstVP8DecPostProcessingFlags

Flags to control post processing.

Flags: Read / Write

Default value: Deblock|Demacroblock|Multi-frame quality enhancement

The “threads” property

  “threads”                  guint

Maximum number of decoding threads.

Flags: Read / Write

Allowed values: [1,16]

Default value: 1

See Also

vp8enc, matroskademux