Output of gst-inspect-1.0 nvv4l2decoder

inspect_nvv4l2decoder.txt

Factory Details:
  Rank                     primary + 11 (267)
  Long-name                NVIDIA v4l2 video decoder
  Klass                    Codec/Decoder/Video
  Description              Decode video streams via V4L2 API
  Author                   Nicolas Dufresne <nicolas.dufresne@collabora.com>, Viranjan Pagar <vpagar@nvidia.com>

Plugin Details:
  Name                     nvvideo4linux2
  Description              Nvidia elements for Video 4 Linux
  Filename                 /usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libgstnvvideo4linux2.so
  Version                  1.14.0
  License                  LGPL
  Source module            nvvideo4linux2
  Binary package           nvvideo4linux2
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstVideoDecoder
                         +----GstNvV4l2VideoDec
                               +----nvv4l2decoder

Pad Templates:
  SINK template: 'sink'
    Availability: Always
    Capabilities:
      image/jpeg
      video/x-h264
          stream-format: { (string)byte-stream }
              alignment: { (string)au }
      video/x-h265
          stream-format: { (string)byte-stream }
              alignment: { (string)au }
  
  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvv4l2decoder0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  device              : Device location
                        flags: readable
                        String. Default: "/dev/nvhost-nvdec"
  device-name         : Name of the device
                        flags: readable
                        String. Default: ""
  device-fd           : File descriptor of the device
                        flags: readable
                        Integer. Range: -1 - 2147483647 Default: -1 
  output-io-mode      : Output side I/O mode (matches sink pad)
                        flags: readable, writable
                        Enum "GstNvV4l2IOMode" Default: 0, "auto"
                           (0): auto             - GST_V4L2_IO_AUTO
                           (2): mmap             - GST_V4L2_IO_MMAP
                           (5): dmabuf-import    - GST_V4L2_IO_DMABUF_IMPORT
  capture-io-mode     : Capture I/O mode (matches src pad)
                        flags: readable, writable
                        Enum "GstNvV4l2IOMode" Default: 0, "auto"
                           (0): auto             - GST_V4L2_IO_AUTO
                           (2): mmap             - GST_V4L2_IO_MMAP
                           (5): dmabuf-import    - GST_V4L2_IO_DMABUF_IMPORT
  extra-controls      : Extra v4l2 controls (CIDs) for the device
                        flags: readable, writable
                        Boxed pointer of type "GstStructure"
  skip-frames         : Type of frames to skip during decoding
                        flags: readable, writable, changeable in NULL, READY, PAUSED or PLAYING state
                        Enum "SkipFrame" Default: 0, "decode_all"
                           (0): decode_all       - Decode all frames
                           (1): decode_non_ref   - Decode non-ref frames
                           (2): decode_key       - decode key frames
  drop-frame-interval : Interval to drop the frames,ex: value of 5 means every 5th frame will be given by decoder, rest all dropped
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 30 Default: 0 
  num-extra-surfaces  : Additional number of surfaces in addition to min decode surfaces given by the v4l2 driver
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 24 Default: 0 
  cudadec-memtype     : Set to specify memory type for cuda decoder buffers
                        flags: readable, writable, changeable only in NULL or READY state
                        Enum "CudaDecMemType" Default: 2, "memtype_unified"
                           (0): memtype_device   - Memory type Device
                           (1): memtype_pinned   - Memory type Host Pinned
                           (2): memtype_unified  - Memory type Unified
  gpu-id              : Set to GPU Device ID for decoder 
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0