tiger

tiger — Decodes and renders Kate streams on top of a video

Synopsis

struct              GstKateTiger;

Object Hierarchy

  GObject
   +----GstObject
         +----GstElement
               +----GstKateTiger

Properties

  "category"                 gchar*                : Read
  "default-background-alpha" gint                  : Read / Write
  "default-background-blue"  gint                  : Read / Write
  "default-background-green" gint                  : Read / Write
  "default-background-red"   gint                  : Read / Write
  "default-font-alpha"       gint                  : Read / Write
  "default-font-blue"        gint                  : Read / Write
  "default-font-desc"        gchar*                : Read / Write
  "default-font-effect"      GstFontEffect         : Read / Write / Construct
  "default-font-effect-strength" gdouble               : Read / Write
  "default-font-green"       gint                  : Read / Write
  "default-font-red"         gint                  : Read / Write
  "language"                 gchar*                : Read
  "original-canvas-height"   gint                  : Read
  "original-canvas-width"    gint                  : Read
  "quality"                  gdouble               : Read / Write

Description

Example pipeline

This element decodes and renders Kate streams Kate is a free codec for text based data, such as subtitles. Any number of kate streams can be embedded in an Ogg stream.

libkate (see above url) and libtiger are needed to build this element.

This pipeline renders a Kate stream on top of a Theora video multiplexed in the same stream:

gst-launch \
  filesrc location=video.ogg ! oggdemux name=demux \
  demux. ! queue ! theoradec ! ffmpegcolorspace ! tiger name=tiger \
  demux. ! queue ! kateparse ! tiger. \
  tiger. ! ffmpegcolorspace ! autovideosink

Synopsis

Element Information

plugin

kate

author

Vincent Penquerc'h <ogg.k.ogg.k@googlemail.com>

class

Mixer/Video/Overlay/Subtitle

Element Pads

name

subtitle_sink

direction

sink

presence

always

details

subtitle/x-kate

application/x-kate

name

video_sink

direction

sink

presence

always

details

video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)1234, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

src

direction

source

presence

always

details

video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)1234, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Details

struct GstKateTiger

struct GstKateTiger;

Property Details

The "category" property

  "category"                 gchar*                : Read

The category of the stream.

Default value: ""


The "default-background-alpha" property

  "default-background-alpha" gint                  : Read / Write

Default background color (alpha component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-background-blue" property

  "default-background-blue"  gint                  : Read / Write

Default background color (blue component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-background-green" property

  "default-background-green" gint                  : Read / Write

Default background color (green component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-background-red" property

  "default-background-red"   gint                  : Read / Write

Default background color (red component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-font-alpha" property

  "default-font-alpha"       gint                  : Read / Write

Default font color (alpha component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-font-blue" property

  "default-font-blue"        gint                  : Read / Write

Default font color (blue component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-font-desc" property

  "default-font-desc"        gchar*                : Read / Write

Default font description (Pango style) to render text with.

Default value: ""


The "default-font-effect" property

  "default-font-effect"      GstFontEffect         : Read / Write / Construct

Whether to apply an effect to text by default, for increased readability.

Default value: outline


The "default-font-effect-strength" property

  "default-font-effect-strength" gdouble               : Read / Write

How pronounced should the font effect be (effect dependent).

Allowed values: [0,1]

Default value: 0.5


The "default-font-green" property

  "default-font-green"       gint                  : Read / Write

Default font color (green component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "default-font-red" property

  "default-font-red"         gint                  : Read / Write

Default font color (red component, between 0 and 255) to render text with.

Allowed values: [0,255]

Default value: 255


The "language" property

  "language"                 gchar*                : Read

The language of the stream.

Default value: ""


The "original-canvas-height" property

  "original-canvas-height"   gint                  : Read

The canvas height this stream was authored for (0 is unspecified).

Allowed values: >= 0

Default value: 0


The "original-canvas-width" property

  "original-canvas-width"    gint                  : Read

The canvas width this stream was authored for.

Allowed values: >= 0

Default value: 0


The "quality" property

  "quality"                  gdouble               : Read / Write

Rendering quality (0 is faster, 1 is best and slower).

Allowed values: [0,1]

Default value: 1

See Also

katedec