gltestsrc
The gltestsrc element is used to produce test video texture. The video test produced can be controlled with the "pattern" property.
Example launch line
gst-launch-1.0 -v gltestsrc pattern=smpte ! glimagesink
Shows original SMPTE color bars in a window.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstBaseSrc ╰──GstPushSrc ╰──GstGLBaseSrc ╰──gltestsrc
Factory details
Authors: – David A. Schleef
Classification: – Source/Video
Rank – none
Plugin – gstopengl
Package – GStreamer Base Plug-ins
Pad Templates
src
video/x-raw(memory:GLMemory):
format: RGBA
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
texture-target: 2D
Properties
blocksize
“blocksize” guint
Size in bytes to read per buffer (-1 = default)
Flags : Read / Write
Default value : 4096
do-timestamp
“do-timestamp” gboolean
Apply current stream time to buffers
Flags : Read / Write
Default value : false
is-live
“is-live” gboolean
Whether to act as a live source
Flags : Read / Write
Default value : false
num-buffers
“num-buffers” gint
Number of buffers to output before sending EOS (-1 = unlimited)
Flags : Read / Write
Default value : -1
pattern
“pattern” GstGLTestSrcPattern *
Type of test pattern to generate
Flags : Read / Write
Default value : smpte (0)
timestamp-offset
“timestamp-offset” gint64
An offset added to timestamps set on buffers (in ns)
Flags : Read / Write
Default value : 0
typefind
“typefind” gboolean
Run typefind before negotiating (deprecated, non-functional)
Flags : Read / Write
Default value : false
Named constants
GstGLTestSrcPattern
The test pattern to produce.
Members
smpte
(0) – SMPTE 100%% color bars
snow
(1) – Random (television snow)
black
(2) – 100%% Black
white
(3) – 100%% White
red
(4) – Red
green
(5) – Green
blue
(6) – Blue
checkers-1
(7) – Checkers 1px
checkers-2
(8) – Checkers 2px
checkers-4
(9) – Checkers 4px
checkers-8
(10) – Checkers 8px
circular
(11) – Circular
blink
(12) – Blink
mandelbrot
(13) – Mandelbrot Fractal
The results of the search are