# vavp8alphadecodebin

Wraps two copies vavp8enc to decode a VP8 video with an alpha layer typically carried in a WebM file

## Example launch line

    gst-launch-1.0 filesrc location=sample.webm ! parsebin ! vavp8alphadecodebin ! autovideosink

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBin
                        ╰──GstVaCodecAlphaDecodeBin
                            ╰──vavp8alphadecodebin

## Implemented interfaces

    GstChildProxy

## Factory details

Authors: – Cheung Yik Pang <pang.cheung@harmonicinc.com></pang.cheung@harmonicinc.com>

Classification: – `Codec/Decoder/Video/Hardware`

Rank – primary + 11

Plugin – va

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-vp8:
        codec-alpha: true
          alignment: frame

Presence – always

Direction – sink

Object type – GstPad

### `src`

    ANY

Presence – always

Direction – src

Object type – GstPad

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