diff options
| -rw-r--r-- | voctogui/lib/videodisplay.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/voctogui/lib/videodisplay.py b/voctogui/lib/videodisplay.py new file mode 100644 index 0000000..6537b78 --- /dev/null +++ b/voctogui/lib/videodisplay.py @@ -0,0 +1,41 @@ +import logging +from gi.repository import Gst, Gtk + +class VideoDisplay: + """ Displays a Voctomix-Video-Stream into a GtkWidget """ + + def __init__(self, port, widget): + self.log = logging.getLogger('VideoDisplay[%u]' % port) + + pipeline = """ + videotestsrc ! + timeoverlay ! + video/x-raw,width=1920,height=1080 ! + xvimagesink + """.format( + port=port + ) + self.log.info('launching gstreamer-pipeline for widget %s "%s":\n%s', widget.get_name(), Gtk.Buildable.get_name(widget), pipeline) + + self.pipeline = Gst.parse_launch(pipeline) + + widget.realize() + self.xid = widget.get_property('window').get_xid() + + bus = self.pipeline.get_bus() + bus.add_signal_watch() + bus.enable_sync_message_emission() + + bus.connect('message::error', self.on_error) + bus.connect("sync-message::element", self.on_syncmsg) + + def run(self): + self.pipeline.set_state(Gst.State.PLAYING) + + def on_syncmsg(self, bus, msg): + if msg.get_structure().get_name() == "prepare-window-handle": + self.log.info('setting xvimagesink window-handle to %s', self.xid) + msg.src.set_window_handle(self.xid) + + def on_error(self, bus, msg): + self.log.error('on_error():', msg.parse_error()) |