vp9dec
This element decodes VP9 streams into raw video. VP9 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 ! vp9dec ! videoconvert ! videoscale ! autovideosink
This example pipeline will decode a WebM stream and decodes the VP9 video.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstVideoDecoder ╰──GstVPXDec ╰──vp9dec
Factory details
Authors: – David Schleef
Classification: – Codec/Decoder/Video
Rank – primary
Plugin – gstvpx
Package – GStreamer Good Plug-ins
Pad Templates
src
video/x-raw:
format: { I420, YV12, Y42B, Y444, GBR }
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
Properties
post-processing
“post-processing” gboolean
Enable post processing
Flags : Read / Write
Default value : false
post-processing-flags
“post-processing-flags” GstVPXDecPostProcessingFlags *
Flags to control post processing
Flags : Read / Write
Default value : mfqe+demacroblock+deblock
qos
“qos” gboolean
Handle Quality-of-Service events from downstream
Flags : Read / Write
Default value : true
Named constants
GstVPXDecPostProcessingFlags
Members
deblock
(0x00000001) – Deblock
demacroblock
(0x00000002) – Demacroblock
addnoise
(0x00000004) – Add noise
mfqe
(0x00000008) – Multi-frame quality enhancement
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