# 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

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:
              width: [ 128, 8192 ]
             height: [ 128, 8192 ]
          framerate: [ 0/1, 2147483647/1 ]
             format: { NV12, P010_10LE }

    video/x-raw(memory:GLMemory):
              width: [ 128, 8192 ]
             height: [ 128, 8192 ]
          framerate: [ 0/1, 2147483647/1 ]
             format: { NV12, P010_10LE }

    video/x-raw(memory:CUDAMemory):
              width: [ 128, 8192 ]
             height: [ 128, 8192 ]
          framerate: [ 0/1, 2147483647/1 ]
             format: { NV12, P010_10LE }

Presence – always

Direction – src

Object type – GstPad

## Properties

### cuda-device-id

    “cuda-device-id” guint

Assigned CUDA device id

Flags : Read

Default value : 0

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