add oxposterframe, create 8 line timeline

bin/oxposterframe

@@ -0,0 +1,59 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+# GPL 2008
+
+import os
+import sys
+from optparse import OptionParser
+
+import pygst
+pygst.require("0.10")
+import gst
+import Image
+
+root = os.path.join(os.path.abspath(os.path.dirname(__file__)), '..')
+if os.path.exists(os.path.join(root, 'oxgst')):
+    sys.path.insert(0, root)
+
+from oxgst import Video
+
+
+if __name__ == '__main__':
+    width = None
+    height = None
+    size = None
+    parser = OptionParser()
+    parser.add_option('-x', '--size', dest='size', help='scale image to size')
+    parser.add_option('-p', '--pos', dest='pos', help='frame position in seconds, float')
+    parser.add_option('-i', '--input', dest='input', help='video input')
+    parser.add_option('-o', '--output', dest='output', help='path to save frame to, jpg, png supported')
+    (opts, args) = parser.parse_args()
+    if None in (opts.input, opts.output, opts.pos):
+        parser.print_help()
+        sys.exit()
+    video = Video(opts.input)
+    timestamp = int(float(opts.pos) * gst.SECOND)
+
+    frame = video.frame(timestamp)
+    if frame:
+        width = frame.size[0]
+        height = frame.size[1]
+        if opts.size:
+            if width > height:
+                width = int(int(opts.size) * (float(width) / height))
+                height = int(opts.size)
+                width = width - width % 2
+                ox = abs(height - width) / 2
+                oy = 0
+            else:
+                height = int(int(opts.size) * (float(height) / width))
+                width = int(opts.size)
+                height = height - height % 2
+                ox = 0
+                oy = abs(height - width) / 2
+            frame = frame.resize((width, height), Image.ANTIALIAS)
+    
+        frame = frame.crop((ox, oy, int(opts.size) + ox, oy + int(opts.size)))
+        frame.save(opts.output)
+