[pitivi] previewer.py: make larger audio thumbnail tiles, undersample for smoother appearance

[Edward Hervey <edwardrv src gnome org>]

commit 6aef9a5e628916b2fdfaf28f1bc29cb0cef0e2c3
Author: Brandon Lewis <brandon_lewis berkeley edu>
Date:   Thu Sep 24 15:01:57 2009 -0700

    previewer.py: make larger audio thumbnail tiles, undersample for smoother appearance

 pitivi/ui/previewer.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/ui/previewer.py b/pitivi/ui/previewer.py
index b56e887..f44118a 100644
--- a/pitivi/ui/previewer.py
+++ b/pitivi/ui/previewer.py
@@ -404,8 +404,8 @@ class StillImagePreviewer(RandomAccessVideoPreviewer):
 class RandomAccessAudioPreviewer(RandomAccessPreviewer):
 
     def __init__(self, factory, stream_):
-        self.tdur = gst.SECOND
-        self.base_width = 50
+        self.tdur = 10 * gst.SECOND
+        self.base_width = int(2.5 * Zoomable.max_zoom)
         RandomAccessPreviewer.__init__(self, factory, stream_)
 
     @property
@@ -431,7 +431,7 @@ class RandomAccessAudioPreviewer(RandomAccessPreviewer):
 
     def _segment_for_time(self, time):
         # for audio files, we need to know the duration the segment spans
-        return time, self.tdur
+        return time - (time % self.tdur), self.tdur
 
     def _bus_message(self, bus, message):
         if message.type == gst.MESSAGE_SEGMENT_DONE: