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-rw-r--r--voctogui/lib/audioleveldisplay.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/voctogui/lib/audioleveldisplay.py b/voctogui/lib/audioleveldisplay.py
new file mode 100644
index 0000000..8b9bf7e
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+++ b/voctogui/lib/audioleveldisplay.py
@@ -0,0 +1,25 @@
+import logging
+from gi.repository import Gst, Gtk
+
+class AudioLevelDisplay:
+ """ Displays a Level-Meter of another VideoDisplay into a GtkWidget """
+
+ def __init__(self, drawing_area):
+ self.log = logging.getLogger('AudioLevelDisplay[%s]' % drawing_area.get_name())
+
+ self.drawing_area = drawing_area
+
+ self.levelrms = [0, 0] # Initialize to []
+ self.drawing_area.connect('draw', self.on_draw)
+
+
+ def on_draw(self, widget, cr):
+ cr.set_source_rgb(1, 1, 1)
+ cr.set_line_width(10)
+
+ cr.move_to(15, 0)
+ cr.line_to(15, self.levelrms[0]*-20) # Work with 0+ Channels
+ cr.stroke()
+
+ def level_callback(self, peaks, rms):
+ self.levelrms = rms