cairooverlay

cairooverlay — Render overlay on a video stream using Cairo

Signals

void caps-changed  
void draw  

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstVideoFilter
                        ╰── GstCairoOverlay

Description

Synopsis

Element Information

plugin

cairo

author

Jon Nordby <jononor@gmail.com>

class

Filter/Editor/Video

Element Pads

name

sink

direction

sink

presence

always

details

video/x-raw, format=(string){ BGRx, BGRA, RGB16 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name

src

direction

source

presence

always

details

video/x-raw, format=(string){ BGRx, BGRA, RGB16 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstCairoOverlay

struct GstCairoOverlay;

Signal Details

The “caps-changed” signal

void
user_function (GstCairoOverlay *gstcairooverlay,
               GstCaps         *arg1,
               gpointer         user_data)

Parameters

gstcairooverlay

the object which received the signal.

 

user_data

user data set when the signal handler was connected.

 

The “draw” signal

void
user_function (GstCairoOverlay *gstcairooverlay,
               CairoContext    *arg1,
               guint64          arg2,
               guint64          arg3,
               gpointer         user_data)

Parameters

gstcairooverlay

the object which received the signal.

 

user_data

user data set when the signal handler was connected.