first commit

README

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+This is a sort of interesting name because
+I thought of making this while catching a 
+season of Breaking Bad, which is about a 
+meth manufacturer, and another name of the
+drug is speed. So ha. Also it adjusts vlc's
+playback speed so I can more efficiently 
+waste my time.
+
+It's not very hard to use.
+
+python speed.py < path_to_srt
+
+Stealing from the videolan wiki:
+
+#to set up vlc to use this script, go to tools->preferences and 
+#click on "show settings->all" at the bottom. from that menu, 
+#select "Interface->Main Interfaces", and check the "Remote Control 
+#Interface" box. Next, select "Interface->Main Interfaces->RC",
+#check the "Fake TTY' box, and enter 'home/YOURNAME/vlc.sock'in
+#the "UNIX socket command input" field.  

speed.py

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+
+import os, sys, time
+t = 0
+drift = 999
+speaking = True
+
+buf = ""
+start = 0
+end = 0
+
+#based loosely off http://wiki.videolan.org/How_to_use_VLC_for_transcription_in_linux
+def vlc(s):
+  #for some reason subprocess.Popen/communicate isn't working for me
+  #from my limited google-fu skills, i can tell this 
+  return os.popen('echo "'+s+'" | nc -U ~/vlc.sock').readlines()
+
+#http://stackoverflow.com/a/8351793/205784
+#takes an SRT time and turns it into an int for seconds
+def srt_time_to_seconds(time):
+    major = time.replace(" ","").split(',')[0].split(':')
+    #print major
+    return int(major[0])*3600 + int(major[1])*60 + int(major[2])
+
+#query vlc for number of seconds elapsed in playback
+def update_t():
+  global t
+  try:
+    et = int(vlc('get_time')[0].strip())
+    print "Time Delta", et - t
+    t = et
+  except Exception:
+    print "Error parsing time delta"
+
+
+
+def has_t(s):
+  #check if within transcript range
+  global buf, start, end
+  #print s, end
+  while s > end:
+    while '-->' not in buf:
+      buf = sys.stdin.readline()
+    start, end = buf.split('-->')
+    start = srt_time_to_seconds(start)
+    end = srt_time_to_seconds(end) 
+    #print buf, start, end
+    buf = ''
+  if start - 5 < s < end + 2:
+    return True
+  return False
+
+def set_speed(s):
+  if s:
+    vlc('normal')
+  else:
+    vlc('faster')
+    vlc('faster')
+    vlc('faster')
+
+
+while True:
+  if drift > -1:
+    update_t()
+    drift = 0
+  inrange = has_t(t)
+  print "is speaking", inrange, "at time",t
+  if inrange != speaking:
+    speaking = inrange
+    set_speed(speaking)
+  time.sleep(1) #maybe a better timing mechanism, but whatever
+  t += 1
+  drift += 1