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gltestsrc

gltestsrc

Properties

gboolean is-live Read / Write
GstGLTestSrcPattern pattern Read / Write
gint64 timestamp-offset Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseSrc
                    ╰── GstPushSrc
                        ╰── GstGLTestSrc

Description

The gltestsrc element is used to produce test video texture. The video test produced can be controlled with the "pattern" property.

Example launch line

1
gst-launch-1.0 -v gltestsrc pattern=smpte ! glimagesink

Shows original SMPTE color bars in a window.

Synopsis

Element Information

plugin

opengl

author

David A. Schleef <ds@schleef.org>

class

Source/Video

Element Pads

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

Functions

Types and Values

GstGLTestSrc

typedef struct _GstGLTestSrc GstGLTestSrc;

Opaque data structure.


enum GstGLTestSrcPattern

The test pattern to produce.

Members

GST_GL_TEST_SRC_SMPTE

A standard SMPTE test pattern

 

GST_GL_TEST_SRC_SNOW

Random noise

 

GST_GL_TEST_SRC_BLACK

A black image

 

GST_GL_TEST_SRC_WHITE

A white image

 

GST_GL_TEST_SRC_RED

A red image

 

GST_GL_TEST_SRC_GREEN

A green image

 

GST_GL_TEST_SRC_BLUE

A blue image

 

GST_GL_TEST_SRC_CHECKERS1

Checkers pattern (1px)

 

GST_GL_TEST_SRC_CHECKERS2

Checkers pattern (2px)

 

GST_GL_TEST_SRC_CHECKERS4

Checkers pattern (4px)

 

GST_GL_TEST_SRC_CHECKERS8

Checkers pattern (8px)

 

GST_GL_TEST_SRC_CIRCULAR

Circular pattern

 

GST_GL_TEST_SRC_BLINK

Alternate between black and white

 

GST_GL_TEST_SRC_MANDELBROT

   

Property Details

The “is-live” property

  “is-live”                  gboolean

Whether to act as a live source.

Flags: Read / Write

Default value: FALSE


The “pattern” property

  “pattern”                  GstGLTestSrcPattern

Type of test pattern to generate.

Flags: Read / Write

Default value: SMPTE 100% color bars


The “timestamp-offset” property

  “timestamp-offset”         gint64

An offset added to timestamps set on buffers (in ns).

Flags: Read / Write

Default value: 0

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