gloverlay

gloverlay

Properties

gint angle-png Read / Write
gint angle-video Read / Write
gchar * location Read / Write
gint proportion-png Read / Write
gint proportion-video Read / Write
gint ratio-video Read / Write
gint rotate-png Read / Write
gint rotate-video Read / Write
gboolean video-top Read / Write
gint xpos-png Read / Write
gint xpos-video Read / Write
gint ypos-png Read / Write
gint ypos-video Read / Write
gdouble alpha Read / Write
gint offset-x Read / Write
gint offset-y Read / Write
gint overlay-height Read / Write
gint overlay-width Read / Write
gdouble relative-x Read / Write
gdouble relative-y Read / Write

Types and Values

struct GstGLOverlay

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstGLBaseFilter
                        ╰── GstGLFilter
                            ╰── GstGLOverlay

Description

Overlay GL video texture with a PNG image

Examples

1
 
gst-launch-1.0 videotestsrc ! gloverlay location=image.jpg ! glimagesink

FBO (Frame Buffer Object) is required.

Synopsis

Element Information

plugin

 opengl

author

 Filippo Argiolas <filippo.argiolas@gmail.com>, Matthew Waters <matthew@centricular.com>

class

 Filter/Effect/Video

Element Pads

name

 sink

direction

 sink

presence

 always

details

 video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

name

 src

direction

 source

presence

 always

details

 video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

Functions

Types and Values

struct GstGLOverlay

struct GstGLOverlay;

Property Details

The “angle-png” property

  “angle-png”                gint

choose angle in axis to choosen between -90 and 90.

Flags: Read / Write

Allowed values: [-90,90]

Default value: 0

The “angle-video” property

  “angle-video”              gint

choose angle in axis to choosen between -90 and 90.

Flags: Read / Write

Allowed values: [-90,90]

Default value: 0

The “location” property

  “location”                 gchar *

Location of image file to overlay.

Flags: Read / Write

Default value: NULL

The “proportion-png” property

  “proportion-png”           gint

Relative size of iverlay image, in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “proportion-video” property

  “proportion-video”         gint

Relative size of iverlay video, in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “ratio-video” property

  “ratio-video”              gint

Flags: Read / Write

Allowed values: [0,3]

Default value: 0

The “rotate-png” property

  “rotate-png”               gint

choose rotation axis for the moment only Y axis is implemented.

Flags: Read / Write

Allowed values: [0,3]

Default value: 0

The “rotate-video” property

  “rotate-video”             gint

choose rotation axis for the moment only Y axis is implemented.

Flags: Read / Write

Allowed values: [0,3]

Default value: 0

The “video-top” property

  “video-top”                gboolean

Video is over png image.

Flags: Read / Write

Default value: FALSE

The “xpos-png” property

  “xpos-png”                 gint

X position of overlay image in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “xpos-video” property

  “xpos-video”               gint

X position of overlay video in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “ypos-png” property

  “ypos-png”                 gint

Y position of overlay image in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “ypos-video” property

  “ypos-video”               gint

Y position of overlay video in percents.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

The “alpha” property

  “alpha”                    gdouble

Global alpha of overlay image.

Flags: Read / Write

Allowed values: [0,1]

Default value: 1

The “offset-x” property

  “offset-x”                 gint

For positive value, horizontal offset of overlay image in pixels from left of video image. For negative value, horizontal offset of overlay image in pixels from right of video image.

Flags: Read / Write

Default value: 0

The “offset-y” property

  “offset-y”                 gint

For positive value, vertical offset of overlay image in pixels from top of video image. For negative value, vertical offset of overlay image in pixels from bottom of video image.

Flags: Read / Write

Default value: 0

The “overlay-height” property

  “overlay-height”           gint

Height of overlay image in pixels (0 = same as overlay image).

Flags: Read / Write

Allowed values: >= 0

Default value: 0

The “overlay-width” property

  “overlay-width”            gint

Width of overlay image in pixels (0 = same as overlay image).

Flags: Read / Write

Allowed values: >= 0

Default value: 0

The “relative-x” property

  “relative-x”               gdouble

Horizontal offset of overlay image in fractions of video image width, from top-left corner of video image.

Flags: Read / Write

Allowed values: [0,1]

Default value: 0

The “relative-y” property

  “relative-y”               gdouble

Vertical offset of overlay image in fractions of video image height, from top-left corner of video image.

Flags: Read / Write

Allowed values: [0,1]

Default value: 0

Generated by GTK-Doc V1.25