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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 |
This element decodes and renders Kate streams
Kate is a free codecfor 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:
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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 |
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; };
“category”
property“category” gchar *
The category of the stream.
Flags: Read
Default value: ""
“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
“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
“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
“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
“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
“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
“default-font-desc”
property“default-font-desc” gchar *
Default font description (Pango style) to render text with.
Flags: Read / Write
Default value: ""
“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
“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
“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
“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
“language”
property“language” gchar *
The language of the stream.
Flags: Read
Default value: ""
“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
“original-canvas-width”
property“original-canvas-width” gint
The canvas width this stream was authored for.
Flags: Read
Allowed values: >= 0
Default value: 0
“quality”
property“quality” gdouble
Rendering quality (0 is faster, 1 is best and slower).
Flags: Read / Write
Allowed values: [0,1]
Default value: 1