nvav1dec

GstCodecs based NVIDIA AV1 video decoder

Example launch line

gst-launch-1.0 filesrc location=/path/to/av1/file ! parsebin ! nvav1dec ! videoconvert ! autovideosink

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoDecoder
                    ╰──GstAV1Decoder
                        ╰──nvav1dec

Factory details

Authors: – Seungha Yang

Classification: – Codec/Decoder/Video/Hardware

Rank – primary + 1

Plugin – nvcodec

Package – GStreamer Bad Plug-ins

Pad Templates

`sink`

video/x-av1:
      alignment: frame
          width: [ 128, 8192 ]
         height: [ 128, 8192 ]
        profile: { (string)main }

Presence – always

Direction – sink

Object type – GstPad

`src`

video/x-raw(memory:CUDAMemory):
         format: { NV12, P010_10LE }
          width: [ 128, 8192 ]
         height: [ 128, 8192 ]

video/x-raw(memory:D3D11Memory):
         format: { I420, I420_10LE }
          width: [ 128, 8192 ]
         height: [ 128, 8192 ]

video/x-raw(memory:GLMemory):
         format: { NV12, P010_10LE }
          width: [ 128, 8192 ]
         height: [ 128, 8192 ]
video/x-raw:
         format: { NV12, P010_10LE }
          width: [ 128, 8192 ]
         height: [ 128, 8192 ]

Presence – always

Direction – src

Object type – GstPad

Properties

cuda-device-id

“cuda-device-id” guint

Assigned CUDA device id

Flags : Read

Default value : 0

init-max-height

“init-max-height” guint

Initial CUVIDDECODECREATEINFO.ulMaxHeight value

Flags : Read / Write

Default value : 0

Since : 1.24

init-max-width

“init-max-width” guint

Initial CUVIDDECODECREATEINFO.ulMaxWidth value

Flags : Read / Write

Default value : 0

Since : 1.24

max-display-delay

“max-display-delay” gint

Maximum display delay

Flags : Read / Write

Default value : -1

Since : 1.24

num-output-surfaces

“num-output-surfaces” guint

The number of output surfaces (0 = auto, 1 = always copy). This property will be used to calculate the CUVIDDECODECREATEINFO.ulNumOutputSurfaces parameter in case of CUDA output mode.

Flags : Read / Write

Default value : 1

Since : 1.24

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