Update

subprojects/gst-python/old_examples/mixer.py

@@ -0,0 +1,31 @@
+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+import sys
+
+import gst
+import gst.interfaces
+
+pipeline = "alsasrc"
+if sys.argv[1:]:
+    pipeline = " ".join(sys.argv[1:])
+a = gst.element_factory_make(pipeline)
+print dir(a)
+
+res = a.set_state(gst.STATE_PAUSED)
+if res != gst.STATE_CHANGE_SUCCESS:
+    print "Could not set pipeline %s to PAUSED" % pipeline
+
+print "Inputs:"
+for t in a.list_tracks():
+    if t.flags & gst.interfaces.MIXER_TRACK_INPUT:
+        sys.stdout.write(t.label)
+    sys.stdout.write(': %d - %d' % (t.min_volume, t.max_volume))
+    volumes = a.get_volume(t)
+    sys.stdout.write(': %r' % (volumes, ))
+    if t.props.num_channels > 0:
+        a.set_volume(t, volumes=volumes)
+    if t.flags & gst.interfaces.MIXER_TRACK_RECORD:
+        sys.stdout.write(' (selected)')
+    sys.stdout.write('\n')
+