webpenc

Opaque data structure.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──webpenc

Implemented interfaces

Factory details

Authors: – Sreerenj Balachandran

Classification: – Codec/Encoder/Image

Rank – primary

Plugin – webp

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw:
         format: { I420, YV12, RGB, RGBA }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

src

image/webp:
      framerate: [ 0/1, 2147483647/1 ]
          width: [ 16, 16383 ]
         height: [ 16, 16383 ]

Presence – always

Direction – src

Object type – GstPad

Properties

lossless 

“lossless” gboolean

Enable lossless encoding

Flags : Read / Write

Default value : false

preset 

“preset” Webp-enc-preset *

Preset name for visual tuning

Flags : Read / Write

Default value : photo (2)

quality 

“quality” gfloat

quality level, between 0 (smallest file) and 100 (biggest)

Flags : Read / Write

Default value : 90

speed 

“speed” guint

quality/speed trade-off (0=fast, 6=slower-better)

Flags : Read / Write

Default value : 4

Named constants

Webp-enc-preset

Members

none (0) – Default
picture (1) – Digital picture,inner shot
photo (2) – Outdoor photo, natural lighting
drawing (3) – Hand or Line drawing
icon (4) – Small-sized colorful images
text (5) – text-like

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