python: update python examples to modern python, Gst, and Glib versions

[experiments/gstreamer.git] / python / gst-input-selector-switch.py

diff --git a/python/gst-input-selector-switch.py b/python/gst-input-selector-switch.py
index f653dfa..db4754e 100755 (executable)
--- a/python/gst-input-selector-switch.py
+++ b/python/gst-input-selector-switch.py
@@ -7,21 +7,20 @@ gi.require_version('Gst', '1.0')
 from gi.repository import Gst
 Gst.init(None)
 
-from gi.repository import GObject
-GObject.threads_init()
+from gi.repository import GLib
 
 
 # The following pipeline works
 PIPELINE = """
 videotestsrc pattern=0 ! selector.
-videotestsrc pattern=13 ! selector.
+videotestsrc pattern=18 background-color=4294901760 ! selector.
 input-selector name=selector ! autovideosink
 """
 
 
 class Player:
     def __init__(self):
-        self.loop = GObject.MainLoop()
+        self.loop = GLib.MainLoop()
         self.pipeline = Gst.parse_launch(PIPELINE)
         self.selector = self.pipeline.get_by_name('selector')
 
@@ -43,7 +42,7 @@ class Player:
         self.pipeline.set_state(Gst.State.NULL)
         self.loop.quit()
 
-    def switch(self):
+    def on_switch(self):
         active_pad = self.selector.get_property("active-pad")
         if active_pad.get_name() == "sink_0":
             new_pad = self.selector.get_static_pad("sink_1")
@@ -76,10 +75,10 @@ def main():
 
     def stdin_cb(source, condition):
         source.readline()
-        player.switch()
+        player.on_switch()
         return True
 
-    GObject.io_add_watch(sys.stdin, GObject.IO_IN, stdin_cb)
+    GLib.io_add_watch(sys.stdin, GLib.IO_IN, stdin_cb)
 
     print("\nPress Enter to switch the source\n")
     player.run()