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