gst-inspect-1.0 nvv4l2decoder

[bmegli]

gst-inspect-1.0 nvv4l2decoder

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 <[email protected]>, Viranjan Pagar <[email protected]>

Plugin Details:
  Name                     nvvideo4linux2
  Description              Nvidia elements for Video 4 Linux
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/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 }
      video/mpeg
            mpegversion: 4
           systemstream: false
                 parsed: true
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
      video/mpeg
            mpegversion: [ 1, 2 ]
           systemstream: false
                 parsed: true
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
      video/x-divx
            divxversion: [ 4, 5 ]
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
      video/x-av1
      video/x-vp8
      video/x-vp9
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
  
  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:
  capture-buffer-dynamic-allocation: Set to enable capture buffer dynamic allocation
                        flags: readable, writable
                        Enum "CaptureBufferDynamicAllocationModes" Default: 0, "cap_buf_dyn_alloc_disabled"
                           (0): cap_buf_dyn_alloc_disabled - Capture buffer dynamic allocation disabled
                           (1): fw_cap_buf_dyn_alloc_enabled - Capture buffer dynamic allocation enabled for forward playback
                           (2): rw_cap_buf_dyn_alloc_enabled - Capture buffer dynamic allocation enabled for reverse playback
                           (3): fw_rw_cap_buf_dyn_alloc_enabled - Capture buffer dynamic allocation enabled for forward and reverse playback
  capture-io-mode     : Capture I/O mode (matches src pad)
                        flags: readable, writable
                        Enum "GstNvV4l2DecCaptureIOMode" Default: 0, "auto"
                           (0): auto             - GST_V4L2_IO_AUTO
                           (2): mmap             - GST_V4L2_IO_MMAP
  device              : Device location
                        flags: readable
                        String. Default: "/dev/nvhost-nvdec"
  device-fd           : File descriptor of the device
                        flags: readable
                        Integer. Range: -1 - 2147483647 Default: -1 
  device-name         : Name of the device
                        flags: Opening in BLOCKING MODE 
readable
                        String. Default: ""
  disable-dpb         : Set to disable DPB buffer for low latency
                        flags: readable, writable
                        Boolean. Default: false
  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 
  enable-error-check  : Set to enable error check
                        flags: readable, writable
                        Boolean. Default: false
  enable-frame-type-reporting: Set to enable frame type reporting
                        flags: readable, writable
                        Boolean. Default: false
  enable-full-frame   : Whether or not the data is full framed
                        flags: readable, writable
                        Boolean. Default: false
  enable-max-performance: Set to enable max performance
                        flags: readable, writable
                        Boolean. Default: false
  extra-controls      : Extra v4l2 controls (CIDs) for the device
                        flags: readable, writable
                        Boxed pointer of type "GstStructure"
  mjpeg               : Set to open MJPEG block
                        flags: readable, writable
                        Boolean. Default: false
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvv4l2decoder0"
  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 - 55 Default: 1 
  output-io-mode      : Output side I/O mode (matches sink pad)
                        flags: readable, writable
                        Enum "GstNvV4l2DecOutputIOMode" Default: 0, "auto"
                           (0): auto             - GST_V4L2_IO_AUTO
                           (2): mmap             - GST_V4L2_IO_MMAP
                           (3): userptr          - GST_V4L2_IO_USERPTR
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  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