[Assorted-commits] SF.net SVN: assorted:[1143] music-labeler/trunk

[<yan...@us...>]

Revision: 1143
          http://assorted.svn.sourceforge.net/assorted/?rev=1143&view=rev
Author:   yangzhang
Date:     2009-01-25 09:24:15 +0000 (Sun, 25 Jan 2009)

Log Message:
-----------
added music playback and control using GST!

Modified Paths:
--------------
    music-labeler/trunk/README
    music-labeler/trunk/src/ml.py

Modified: music-labeler/trunk/README
===================================================================
--- music-labeler/trunk/README	2009-01-25 06:26:15 UTC (rev 1142)
+++ music-labeler/trunk/README	2009-01-25 09:24:15 UTC (rev 1143)
@@ -10,14 +10,11 @@
 Requirements:
 
 - [pygtk] 2.13
-- [Mutagen] 1.14
-
-Requirements for [Quodlibet] frontend:
-
+- [GST] 0.10
 - [Quodlibet] 1.0
 
 [pygtk]: http://www.pygtk.org/
-[Mutagen]: http://code.google.com/p/quodlibet/wiki/Development/Mutagen
+[GST]: http://gstreamer.freedesktop.org/modules/gst-python.html
 [Quodlibet]: http://code.google.com/p/quodlibet/
 
 Related

Modified: music-labeler/trunk/src/ml.py
===================================================================
--- music-labeler/trunk/src/ml.py	2009-01-25 06:26:15 UTC (rev 1142)
+++ music-labeler/trunk/src/ml.py	2009-01-25 09:24:15 UTC (rev 1143)
@@ -4,7 +4,7 @@
 from gtk import *
 from cgi import escape
 from cStringIO import StringIO
-import itertools
+import itertools, gst, urllib
 import gtk.keysyms as k, gtk.gdk as gdk
 from os.path import expanduser
 from path import path
@@ -50,6 +50,9 @@
 def labeler(pls, labels, track_paths):
   sep = ';'
 
+  player = gst.element_factory_make('playbin')
+  timefmt = gst.Format(gst.FORMAT_TIME)
+
   w = Window()
   w.set_title('Music Labeler')
   w.connect('delete-event', lambda *args: False)
@@ -192,6 +195,20 @@
           sel.select_path(pos)
           t.scroll_to_cell(pos, None, True, .5, .5)
         return True
+      elif ev.keyval in [k._1, k._2, k._3, k._4, k._5] and \
+          ev.state & gdk.CONTROL_MASK:
+        # Seek to 0%, 25%, 50%, 75%, or 100% positions.
+        pos = float(ev.keyval - k._1) / 4 * player.query_duration(timefmt)[0]
+        player.seek_simple(timefmt, gst.SEEK_FLAG_FLUSH, pos)
+        return True
+      elif ev.keyval in [k.period, k.comma] and \
+          ev.state & gdk.CONTROL_MASK:
+        # Seek forward/backward 5 seconds.
+        pos = player.query_position(timefmt)[0]
+        dir = 1 if ev.keyval == k.comma else 1
+        debug('seek from', pos / 1e9, 'to', pos + dir * 5e9)
+        player.seek_simple(timefmt, gst.SEEK_FLAG_FLUSH, pos + dir * 5e9)
+        return True
       elif ev.keyval in [k.Tab]:
         # Tab completes.
         complete()
@@ -234,6 +251,14 @@
 
     @connecting_after(e, 'focus-in-event') # TODO hack; too early on resizes
     def show_popup(*args):
+      # Play the track if not already playing.
+      uri = 'file://' + urllib.quote(track_path)
+      if player.get_property('uri') != uri:
+        player.set_state(gst.STATE_NULL)
+        player.set_property('uri', uri)
+        player.set_state(gst.STATE_PLAYING)
+
+      # Show the popup.
       tw.show_all()
       win = e.get_window()
       _,_,ew,eh,_ = win.get_geometry()


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