mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2024-11-12 05:11:32 +00:00
58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
|
import gi
|
||
|
|
import sys
|
||
|
|
|
||
|
|
gi.require_version("Gtk", "4.0")
|
||
|
|
gi.require_version('Gst', '1.0')
|
||
|
|
|
||
|
|
from gi.repository import Gtk
|
||
|
|
from gi.repository import Gst
|
||
|
|
|
||
|
|
Gst.init(sys.argv[1:])
|
||
|
|
|
||
|
|
gtksink = Gst.ElementFactory.make("gtk4paintablesink", "sink")
|
||
|
|
# Get the paintable from the sink
|
||
|
|
paintable = gtksink.props.paintable
|
||
|
|
|
||
|
|
# Use GL if available
|
||
|
|
if paintable.props.gl_context:
|
||
|
|
print("Using GL")
|
||
|
|
source = Gst.ElementFactory.make("gltestsrc", "source")
|
||
|
|
glsink = Gst.ElementFactory.make("glsinkbin", "sink")
|
||
|
|
glsink.props.sink = gtksink
|
||
|
|
sink = glsink
|
||
|
|
else:
|
||
|
|
source = Gst.ElementFactory.make("videotestsrc", "source")
|
||
|
|
sink = gtksink
|
||
|
|
|
||
|
|
pipeline = Gst.Pipeline.new()
|
||
|
|
|
||
|
|
if not pipeline or not source or not sink:
|
||
|
|
print("Not all elements could be created.")
|
||
|
|
exit(-1)
|
||
|
|
|
||
|
|
pipeline.add(source)
|
||
|
|
pipeline.add(sink)
|
||
|
|
source.link(sink)
|
||
|
|
|
||
|
|
def on_activate(app):
|
||
|
|
win = Gtk.ApplicationWindow(application=app)
|
||
|
|
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
|
||
|
|
|
||
|
|
picture = Gtk.Picture.new()
|
||
|
|
picture.set_size_request(640, 480)
|
||
|
|
# Set the paintable on the picture
|
||
|
|
picture.set_paintable(paintable)
|
||
|
|
box.append(picture)
|
||
|
|
|
||
|
|
btn = Gtk.Button(label="▶/⏸")
|
||
|
|
box.append(btn)
|
||
|
|
btn.connect('clicked', lambda _: pipeline.set_state(Gst.State.PAUSED) if pipeline.get_state(1)[1]==Gst.State.PLAYING else pipeline.set_state(Gst.State.PLAYING))
|
||
|
|
|
||
|
|
win.set_child(box)
|
||
|
|
win.present()
|
||
|
|
|
||
|
|
app = Gtk.Application()
|
||
|
|
app.connect('activate', on_activate)
|
||
|
|
|
||
|
|
app.run(None)
|