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uvch264mjpgdemux

uvch264mjpgdemux — UVC H264 compliant MJPG demuxer

Properties

gint device-fd Read / Write
gint num-clock-samples Read / Write / Construct

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstUvcH264MjpgDemux

Description

Parses a MJPG stream from a UVC H264 compliant encoding camera and extracts each muxed stream into separate pads.

Synopsis

Element Information

plugin

uvch264

author

Youness Alaoui <youness.alaoui@collabora.co.uk>

class

Video/Demuxer

Element Pads

name

sink

direction

sink

presence

always

details

image/jpeg, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

h264

direction

source

presence

always

details

video/x-h264, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

jpeg

direction

source

presence

always

details

image/jpeg, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

nv12

direction

source

presence

always

details

video/x-raw, format=(string)NV12, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

yuy2

direction

source

presence

always

details

video/x-raw, format=(string)YUY2, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstUvcH264MjpgDemux

struct GstUvcH264MjpgDemux;

Property Details

The “device-fd” property

  “device-fd”                gint

File descriptor of the v4l2 device.

Flags: Read / Write

Allowed values: >= G_MAXULONG

Default value: -1


The “num-clock-samples” property

  “num-clock-samples”        gint

Number of clock samples to gather for the PTS synchronization (-1 = unlimited).

Flags: Read / Write / Construct

Allowed values: >= 0

Default value: 32

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