Merge "Removing old unused vp9_tapify.py."

vp9/common/vp9_tapify.py

-"""
- *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
-"""
-#!/usr/bin/env python
-import sys,string,os,re,math,numpy
-scale = 2**16
-def dist(p1,p2):
-  x1,y1 = p1
-  x2,y2 = p2
-  if x1==x2 and y1==y2 :
-    return 1.0 
-  return 1/ math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2))
-
-def gettaps(p):
-  def l(b):
-    return int(math.floor(b))
-  def h(b):
-    return int(math.ceil(b))
-  def t(b,p,s):
-    return int((scale*dist(b,p)+s/2)/s)
-  r,c = p
-  ul=[l(r),l(c)]
-  ur=[l(r),h(c)]
-  ll=[h(r),l(c)]
-  lr=[h(r),h(c)]
-  sum = dist(ul,p)+dist(ur,p)+dist(ll,p)+dist(lr,p)
-  t4 = scale - t(ul,p,sum) - t(ur,p,sum) - t(ll,p,sum);
-  return [[ul,t(ul,p,sum)],[ur,t(ur,p,sum)],
-          [ll,t(ll,p,sum)],[lr,t4]]
-
-def print_mb_taps(angle,blocksize):
-  theta = angle / 57.2957795;
-  affine = [[math.cos(theta),-math.sin(theta)],
-            [math.sin(theta),math.cos(theta)]]
-  radius = (float(blocksize)-1)/2
-  print " // angle of",angle,"degrees"
-  for y in range(blocksize) :
-    for x in range(blocksize) :
-      r,c = numpy.dot(affine,[y-radius, x-radius])
-      tps = gettaps([r+radius,c+radius])
-      for t in tps :
-        p,t = t
-        tr,tc = p
-        print " %2d, %2d, %5d, " % (tr,tc,t,),
-      print " // %2d,%2d " % (y,x)
-
-i=float(sys.argv[1])
-while  i <= float(sys.argv[2]) :
-  print_mb_taps(i,float(sys.argv[4]))
-  i=i+float(sys.argv[3])
-"""
-
-taps = []
-pt=dict()
-ptr=dict()
-for y in range(16) :
-  for x in range(16) :
-    r,c = numpy.dot(affine,[y-7.5, x-7.5])
-    tps = gettaps([r+7.5,c+7.5])
-    j=0
-    for tp in tps : 
-      p,i = tp
-      r,c = p
-      pt[y,x,j]= [p,i]
-      try: 
-        ptr[r,j,c].append([y,x])
-      except:
-        ptr[r,j,c]=[[y,x]]
-      j = j+1 
-
-for key in sorted(pt.keys()) :
-  print key,pt[key]
-
-lr = -99
-lj = -99 
-lc = 0
-
-shuf=""
-mask=""
-for r,j,c in sorted(ptr.keys()) :
-  for y,x in ptr[r,j,c] :
-    if lr != r or lj != j :
-      print "shuf_"+str(lr)+"_"+str(lj)+"_"+shuf.ljust(16,"0"), lc
-      shuf=""
-      lc = 0
-    for i in range(lc,c-1) :
-      shuf = shuf +"0"
-    shuf = shuf + hex(x)[2]
-    lc =c
-    break
-  lr = r
-  lj = j
-#  print r,j,c,ptr[r,j,c]    
-#  print 
-
-for r,j,c in sorted(ptr.keys()) :
-  for y,x in ptr[r,j,c] :
-    print r,j,c,y,x 
-    break
-"""