tiger

tiger

Properties

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

Types and Values

struct GstKateTiger

Description

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.

Example pipeline

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

1
2
3
4
5
gst-launch-1.0 \
  filesrc location=video.ogg ! oggdemux name=demux \
  demux. ! queue ! theoradec ! videoconvert ! tiger name=tiger \
  demux. ! queue ! kateparse ! tiger. \
  tiger. ! videoconvert ! autovideosink

Functions

Types and Values

struct GstKateTiger

struct GstKateTiger {
  GstKateDecoderBase decoder;

  GstPad *katesinkpad;
  GstPad *videosinkpad;
  GstPad *srcpad;

  tiger_renderer *tr;

  gdouble quality;
  gchar *default_font_desc;
  gboolean default_font_effect;
  gdouble default_font_effect_strength;
  guchar default_font_r;
  guchar default_font_g;
  guchar default_font_b;
  guchar default_font_a;
  guchar default_background_r;
  guchar default_background_g;
  guchar default_background_b;
  guchar default_background_a;
  gboolean silent;

  GstVideoFormat video_format;
  gint video_width;
  gint video_height;
  gboolean swap_rgb;
  GstBuffer *render_buffer;
  GstVideoOverlayComposition *composition;

  GMutex *mutex;
  GCond *cond;

  GstSegment video_segment;
  gboolean video_flushing;
  gboolean seen_header;
};

Property Details

The “category” property

  “category”                 gchar *

The category of the stream.

Flags: Read

Default value: ""


The “default-background-alpha” property

  “default-background-alpha” gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-background-blue” property

  “default-background-blue”  gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-background-green” property

  “default-background-green” gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-background-red” property

  “default-background-red”   gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-font-alpha” property

  “default-font-alpha”       gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-font-blue” property

  “default-font-blue”        gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-font-desc” property

  “default-font-desc”        gchar *

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

Flags: Read / Write

Default value: ""


The “default-font-effect” property

  “default-font-effect”      GstFontEffect

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

Flags: Read / Write / Construct

Default value: outline


The “default-font-effect-strength” property

  “default-font-effect-strength” gdouble

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

Flags: Read / Write

Allowed values: [0,1]

Default value: 0.5


The “default-font-green” property

  “default-font-green”       gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “default-font-red” property

  “default-font-red”         gint

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

Flags: Read / Write

Allowed values: [0,255]

Default value: 255


The “language” property

  “language”                 gchar *

The language of the stream.

Flags: Read

Default value: ""


The “original-canvas-height” property

  “original-canvas-height”   gint

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

Flags: Read

Allowed values: >= 0

Default value: 0


The “original-canvas-width” property

  “original-canvas-width”    gint

The canvas width this stream was authored for.

Flags: Read

Allowed values: >= 0

Default value: 0


The “quality” property

  “quality”                  gdouble

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

Flags: Read / Write

Allowed values: [0,1]

Default value: 1

See Also

katedec