subtitleoverlay

subtitleoverlay — Overlays a video stream with subtitles

Synopsis

struct              GstSubtitleOverlay;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GstObject
               +----GstElement
                     +----GstBin
                           +----GstSubtitleOverlay

Implemented Interfaces

GstSubtitleOverlay implements GstChildProxy.

Properties

  "font-desc"                gchar*                : Read / Write
  "silent"                   gboolean              : Read / Write
  "subtitle-encoding"        gchar*                : Read / Write

Description

GstBin that auto-magically overlays a video stream with subtitles by autoplugging the required elements.

It supports raw, timestamped text, different textual subtitle formats and DVD subpicture subtitles.

Examples

1
gst-launch -v filesrc location=test.mkv ! matroskademux name=demux ! "video/x-h264" ! queue2 ! decodebin ! subtitleoverlay name=overlay ! videoconvert ! autovideosink  demux. ! "subpicture/x-dvd" ! queue2 ! overlay.
This will play back the given Matroska file with h264 video and subpicture subtitles.

Synopsis

Element Information

plugin

playback

author

Sebastian Dröge <sebastian.droege@collabora.co.uk>

class

Video/Overlay/Subtitle

Element Pads

name

subtitle_sink

direction

sink

presence

always

details

ANY

name

video_sink

direction

sink

presence

always

details

ANY

name

src

direction

source

presence

always

details

ANY

Details

struct GstSubtitleOverlay

struct GstSubtitleOverlay;

Property Details

The "font-desc" property

  "font-desc"                gchar*                : Read / Write

Pango font description of font to be used for subtitle rendering.

Default value: NULL


The "silent" property

  "silent"                   gboolean              : Read / Write

Whether to show subtitles.

Default value: FALSE


The "subtitle-encoding" property

  "subtitle-encoding"        gchar*                : Read / Write

Encoding to assume if input subtitles are not in UTF-8 encoding. If not set, the GST_SUBTITLE_ENCODING environment variable will be checked for an encoding to use. If that is not set either, ISO-8859-15 will be assumed.

Default value: NULL