GStreamer Documentation of gstcudaawb

LIB CUDA ISP AutoWhiteBalance algorithm accelerated by GPU

Examples

• Simple pipeline:

  videotestsrc ! video/x-raw,width=320,height=240 ! \
    cudaawb ! videoconvert ! ximagesink

Capabilities

Pad Templates:
  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw
                 format: { (string)RGB, (string)BGR, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
  
  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw
                 format: { (string)RGB, (string)BGR, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
      video/x-raw(memory:NVMM)
                 format: { (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Properties

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "cudaawb0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  qos                 : Handle Quality-of-Service events
                        flags: readable, writable
                        Boolean. Default: false
  confidence          : It controls how much of the pixel values it should take for the white balance correction (Histogram Stretch Algorithm) 
                        flags: readable, writable
                        Float. Range:            0.01 -            0.99 Default:            0.99 
  algorithm           : Algorithm used for the white balancing
                        flags: readable, writable
                        Enum "AwbAlgorithm" Default: 1, "grayworld"
                           (1): grayworld        - Gray World Algorithm
                           (2): histogramstretch - Histogram Stretch Algorithm