tools related to oilarchive

tools/extract_frame.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python
+import os
+from os.path import *
+import sys
+import shutil
+import warnings
+warnings.filterwarnings("ignore", "tempnam")
+
+
+if len(sys.argv) < 2:
+  print "usage: %s video frame.png [position]" % sys.argv[0]
+  print ""
+  print "position defaults to 00:01:00 (one minute into the video)"
+  print ""
+  sys.exit(1)
+
+input_file = abspath(sys.argv[1])
+output_file = abspath(sys.argv[2])
+if len(sys.argv) > 3:
+  position = sys.argv[3]
+else:
+  position = "00:01:00"
+width = 128
+
+framedir = os.tempnam()
+os.mkdir(framedir)
+os.chdir(framedir)
+cmd = "mplayer -vo png:z=6 -vf scale -zoom -xy %d -ao null -ss '%s' -frames 2 \"%s\" >/dev/null 2>&1" % (width, position, input_file)
+os.system (cmd)
+files = os.listdir(framedir)
+if files:
+  shutil.move(os.path.join(framedir,files[-1]), output_file)
+shutil.rmtree(framedir)
+