Softlab SDI Capture

Softlab SDI Capture is a GStreamer plugin for capturing SDI audio and video.

Features

Softlab SDI Capture has the following features:

  • Supports various video resolutions and frame rates.

  • Supports multiple settings for finer operation.

Parameter Description

Below is the table describing Softlab SDI Capture parameters and their values:

Parameter Name

Description

Value Type

Available Values [range]

Default

Flags

v4l2

Specifies the input video capturing device created in the system by the driver.

String

/dev/video0-7 (depends on the number of card inputs)

readable, writable

alsa

Specifies the input audio capturing device created in the system by the driver.

String

plughw:0,0-n,m (depends on the number of card outputs and the number of cards)

readable, writable

mode

Specifies the mode of the SDI input signal, i.e., resolution, frame rate, and scan type.

Unsigned Integer

0 — 720x576 50i
1 — 720x576 60i
2 — 1920x1080 50i
3 — 1920x1080 60i
4 — 1920x1080 50p
5 — 1920x1080 60p

0

readable, writable

number-of-audio-lines

Specifies the number of audio tracks at SDI input.

Unsigned Integer

[0 – 16]

0

readable, writable

generate-frames

Enables or disables frame generation if the input signal is missing.

Boolean

True, False

False

readable, writable

statistics

Shows statistics.

readable

sl_base_statistics

A parameter added by CodecWorks to read the statistics parameter value and display it in the web interface.

String

readable