timecodestamper: GStreamer Bad Plugins 1.0 Plugins Reference Manual

timecodestamper

timecodestamper — Attach a timecode into incoming video frames

Properties

GDateTime *	daily-jam	Read / Write
gboolean	drop-frame	Read / Write
gboolean	override-existing	Read / Write
GstClock *	source-clock	Read / Write
gboolean	post-messages	Read / Write
GstVideoTimeCode *	first-timecode	Read / Write
gboolean	first-timecode-to-now	Read / Write

Types and Values

struct

GstTimeCodeStamper

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstTimeCodeStamper

Description

This element attaches a timecode into every incoming video frame. It starts counting from the stream time of each segment start, which it converts into a timecode.

Example launch line

1	gst-launch-1.0 videotestsrc ! timecodestamper ! autovideosink

Synopsis

Element Information

plugin	timecode
author	Vivia Nikolaidou <vivia@toolsonair.com
class	Filter/Video

Element Pads

name	sink
direction	sink
presence	always
details	video/x-raw

name	src
direction	source
presence	always
details	video/x-raw

Functions

Types and Values

struct GstTimeCodeStamper

struct GstTimeCodeStamper;

Opaque data structure.

Property Details

The `“daily-jam”` property

  “daily-jam”                GDateTime *

The daily jam of the timecode.

Flags: Read / Write

The `“drop-frame”` property

  “drop-frame”               gboolean

Use drop-frame timecodes for 29.97 and 59.94 FPS.

Flags: Read / Write

Default value: FALSE

The `“override-existing”` property

  “override-existing”        gboolean

If set to true, any existing timecode will be overridden.

Flags: Read / Write

Default value: FALSE

The `“source-clock”` property

  “source-clock”             GstClock *

If unset, the timecode will refer to the stream time.

Flags: Read / Write

The `“post-messages”` property

  “post-messages”            gboolean

Post element message containing the current timecode.

Flags: Read / Write

Default value: FALSE

The `“first-timecode”` property

  “first-timecode”           GstVideoTimeCode *

If set, take this timecode for the first frame and increment from it. Only the values itself are taken, flags and frame rate are always determined by timecodestamper itself. If unset (and to-now is also not set), the timecode will start at 0.

Flags: Read / Write

The `“first-timecode-to-now”` property

  “first-timecode-to-now”    gboolean

If true and first-timecode is unset, set it to system time automatically when the first media segment is received.

Flags: Read / Write

Default value: FALSE