nvh264dec

NVIDIA H.264 video decoder

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoDecoder
                    ╰──GstH264Decoder
                        ╰──nvh264dec

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-h264:
  stream-format: { (string)avc, (string)avc3, (string)byte-stream }
      alignment: au
        profile: { (string)high, (string)main, (string)constrained-high, (string)constrained-baseline, (string)baseline, (string)progressive-high }
      framerate: [ 0/1, 2147483647/1 ]
          width: [ 48, 4096 ]
         height: [ 16, 4096 ]

Presence – always

Direction – sink

Object type – GstPad

`src`

video/x-raw(memory:CUDAMemory):
         format: NV12
          width: [ 48, 4096 ]
         height: [ 16, 4096 ]

video/x-raw(memory:GLMemory):
         format: NV12
          width: [ 48, 4096 ]
         height: [ 16, 4096 ]
video/x-raw:
         format: NV12
          width: [ 48, 4096 ]
         height: [ 16, 4096 ]

Presence – always

Direction – src

Object type – GstPad

Properties

cuda-device-id

“cuda-device-id” guint

Assigned CUDA device id

Flags : Read

Default value : 0

Since : 1.22

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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