openjpegenc

openjpegenc encodes raw video stream.

Example launch lines

 gst-launch-1.0 -v videotestsrc num-buffers=10 ! openjpegenc ! jpeg2000parse ! openjpegdec ! videoconvert ! autovideosink sync=false

Encode and decode whole frames.

 gst-launch-1.0 -v videotestsrc num-buffers=10 ! openjpegenc num-threads=8 num-stripes=8 ! jpeg2000parse ! openjpegdec max-threads=8 ! videoconvert ! autovideosink sync=fals

Encode and decode frame split with stripes.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──openjpegenc

Implemented interfaces

Factory details

Authors: – Sebastian Dröge

Classification: – Codec/Encoder/Video

Rank – primary

Plugin – openjpeg

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw:
         format: { ARGB64, ARGB, xRGB, AYUV64, Y444_10LE, I422_10LE, I420_10LE, AYUV, Y444, Y42B, I420, Y41B, YUV9, GRAY8, GRAY16_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

src

image/x-j2c:
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
 num-components: [ 1, 4 ]
       sampling: { (string)RGB, (string)BGR, (string)RGBA, (string)BGRA, (string)YCbCr-4:4:4, (string)YCbCr-4:2:2, (string)YCbCr-4:2:0, (string)YCbCr-4:1:1, (string)YCbCr-4:1:0, (string)GRAYSCALE, (string)YCbCrA-4:4:4:4 }
     colorspace: { (string)sRGB, (string)sYUV, (string)GRAY }
image/x-jpc:
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
 num-components: [ 1, 4 ]
    num-stripes: [ 1, 2147483647 ]
      alignment: { (string)frame, (string)stripe }
       sampling: { (string)RGB, (string)BGR, (string)RGBA, (string)BGRA, (string)YCbCr-4:4:4, (string)YCbCr-4:2:2, (string)YCbCr-4:2:0, (string)YCbCr-4:1:1, (string)YCbCr-4:1:0, (string)GRAYSCALE, (string)YCbCrA-4:4:4:4 }
     colorspace: { (string)sRGB, (string)sYUV, (string)GRAY }
image/jp2:
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
image/x-jpc-striped:
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
 num-components: [ 1, 4 ]
       sampling: { (string)RGB, (string)BGR, (string)RGBA, (string)BGRA, (string)YCbCr-4:4:4, (string)YCbCr-4:2:2, (string)YCbCr-4:2:0, (string)YCbCr-4:1:1, (string)YCbCr-4:1:0, (string)GRAYSCALE, (string)YCbCrA-4:4:4:4 }
     colorspace: { (string)sRGB, (string)sYUV, (string)GRAY }
    num-stripes: [ 2, 2147483647 ]
  stripe-height: [ 1, 2147483647 ]

Presence – always

Direction – src

Object type – GstPad

Properties

num-layers 

“num-layers” gint

Number of layers

Flags : Read / Write

Default value : 1

num-resolutions 

“num-resolutions” gint

Number of resolutions

Flags : Read / Write

Default value : 6

num-stripes 

“num-stripes” gint

Number of stripes to use for low latency encoding . (1 = low latency disabled)

Flags : Read / Write

Default value : 1

Since : 1.18

num-threads 

“num-threads” guint

Max number of simultaneous threads to encode stripes, default: encode with streaming thread

Flags : Read / Write

Default value : 0

Since : 1.20

progression-order 

“progression-order” Open-jpegenc-progression-order *

Progression order

Flags : Read / Write

Default value : lrcp (0)

tile-height 

“tile-height” gint

Tile Height

Flags : Read / Write

Default value : 0

tile-offset-x 

“tile-offset-x” gint

Tile Offset X

Flags : Read / Write

Default value : 0

tile-offset-y 

“tile-offset-y” gint

Tile Offset Y

Flags : Read / Write

Default value : 0

tile-width 

“tile-width” gint

Tile Width

Flags : Read / Write

Default value : 0

Named constants

Open-jpegenc-progression-order

Members

lrcp (0) – LRCP
rlcp (1) – RLCP
rpcl (2) – RPCL
pcrl (3) – PCRL
crpl (4) – CPRL

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