line21decoder

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseTransform
                    ╰──GstVideoFilter
                        ╰──line21decoder

Factory details

Authors: – Edward Hervey

Classification: – Filter/Video/ClosedCaption

Rank – none

Plugin – closedcaption

Package – GStreamer Bad Plug-ins

Pad Templates

`sink`

video/x-raw:
         format: { I420, YUY2, YVYU, UYVY, VYUY, v210 }

Presence – always

Direction – sink

Object type – GstPad

`src`

video/x-raw:
         format: { I420, YUY2, YVYU, UYVY, VYUY, v210 }

Presence – always

Direction – src

Object type – GstPad

Properties

mode

“mode” Line21decoder-mode *

Control whether and how detected CC meta should be inserted in the list of existing CC meta on a frame (if any).

Flags : Read / Write

Default value : add (0)

ntsc-only

“ntsc-only” gboolean

Whether line 21 decoding should only be attempted when the input resolution matches NTSC (720 x 525) or NTSC usable lines (720 x 486)

Flags : Read / Write

Default value : false

Named constants

Line21decoder-mode

Members

add (0) – add new CC meta on top of other CC meta, if any

drop (1) – ignore CC if a CC meta was already present

replace (2) – replace existing CC meta

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