MovieUtils.py :  » Language-Interface » ChinesePython » chinesepython2.1.3-0.4 » Mac » Contrib » ImageHelpers » Python Open Source

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Python Open Source » Language Interface » ChinesePython 
ChinesePython » chinesepython2.1.3 0.4 » Mac » Contrib » ImageHelpers » MovieUtils.py
import Qt
import QuickTime
import macfs
import Qd
from QuickDraw import srcCopy
from ExtPixMapWrapper import ExtPixMapWrapper
from Qdoffs import *
import ImageMac
import W



  
def GetFrames(m):
  frameCount=0
  theTime=0
  type=QuickTime.VideoMediaType
  #type='MPEG'
  flags=QuickTime.nextTimeMediaSample
  flags=flags+QuickTime.nextTimeEdgeOK
  
  while theTime>=0:
    (theTime,duration)=m.GetMovieNextInterestingTime(flags,1,type,theTime,0)
    #print "theTime ",theTime,"   duration ",duration
    frameCount=frameCount+1
    flags = QuickTime.nextTimeMediaSample
  
  
  return frameCount-1
  
def GetMovieFromOpenFile():
  fss, ok = macfs.StandardGetFile(QuickTime.MovieFileType)
  mov = None
  if  ok:
    movieResRef = Qt.OpenMovieFile(fss, 1)
    mov, d1, d2 = Qt.NewMovieFromFile(movieResRef, 0, QuickTime.newMovieActive)
    
  return mov


class ExtMovie:
  def __init__(self,mov):
    
    self.frames=0
    self.frameArray=[]
    self.movie=mov
    self._countFrames()
    r=self.movie.GetMovieBox()
    self.myRect=(0,0,r[2]-r[0],r[3]-r[1])
    self.movie.SetMovieBox(self.myRect)
    self.pm=ExtPixMapWrapper()
    self.pm.left=0
    self.pm.top=0
    self.pm.right=r[2]-r[0]
    self.pm.bottom=r[3]-r[1]
    self.gw=NewGWorld(32,self.myRect,None,None,0)
    self.movie.SetMovieGWorld(self.gw.as_GrafPtr(), self.gw.GetGWorldDevice())
    self.GotoFrame(0)
      
  def _countFrames(self):
    #deve contare il numero di frame, creare un array con i tempi per ogni frame
    theTime=0
    #type=QuickTime.VIDEO_TYPE
    type=QuickTime.VideoMediaType
    flags=QuickTime.nextTimeMediaSample+QuickTime.nextTimeEdgeOK
    
    while theTime>=0:
      (theTime,duration)=self.movie.GetMovieNextInterestingTime(flags,1,type,theTime,0)
      self.frameArray.append((theTime,duration))
      flags = QuickTime.nextTimeMediaSample
      self.frames=self.frames+1  
    
    
  
  def GotoFrame(self,n):
    if n<=self.frames:
      self.curFrame=n
      (port,device)=GetGWorld()
      SetGWorld(self.gw.as_GrafPtr(),None)
      (self.now,self.duration)=self.frameArray[n]
      self.movie.SetMovieTimeValue(self.now)
      pixmap=self.gw.GetGWorldPixMap()
      
      if not LockPixels(pixmap):
        print "not locked"
      else:
      
        #Qd.EraseRect(self.myRect)
        #this draws the frame inside the current gworld
        self.movie.MoviesTask(0)
        #this puts it in the buffer pixmap 
        self.pm.grab(0,0,self.myRect[2],self.myRect[3])
        UnlockPixels(pixmap)
        #self.im=self.pm.toImage()
      SetGWorld(port,device)
    
  def NextFrame(self):
    self.curFrame=self.curFrame+1
    if self.curFrame>self.frames:
      self.curFrame=0
    self.GotoFrame(self.curFrame)
  
  def isLastFrame():
    return self.curFrame==self.frames
    
    
  def GetImage(self):
    return self.pm.toImage()
    
  def GetImageN(self,n):
    self.GotoFrame(n)
    return self.pm.toImage()
    
  def GetNumeric(self):
    return self.pm.toNumeric()
    
  def GetNumericN(self,n):
    self.GotoFrame(n)
    return self.pm.toNumeric()
    
  def Blit(self,destRect):
    Qd.RGBForeColor( (0,0,0) )
    Qd.RGBBackColor((65535, 65535, 65535))
    
    #Qd.MoveTo(10,10)
    #Qd.LineTo(200,150)
    Qd.CopyBits(self.gw.portBits,Qd.GetPort().portBits,self.myRect,destRect,srcCopy,None)

class MovieWin(W.Window):
  
  def __init__(self,eMovie,title="MovieWin"):
    self.ExtMovie=eMovie    
    
def test():
  import ImageFilter
  from MLab import max
  from MLab import min
  from Numeric import *
  Qt.EnterMovies()
  m=GetMovieFromOpenFile()
  em=ExtMovie(m)
  print "Total frames:",em.frames,"  Current frame:",em.curFrame  
  #ImageMac.showImage(em.GetImage(),"frame 0",1)
  #em.GotoFrame(500)
  #ImageMac.showImage(em.GetImage().filter(ImageFilter.SMOOTH),"frame 500",2)
  #ImageMac.showImage(em.GetImageN(1000),"frame 1000",2)
  #r=array(((1,0,0,0),(0,0,0,0),(0,0,0,0),(0,0,0,0)))
  #g=array(((0,0,0,0),(0,1,0,0),(0,0,0,0),(0,0,0,0)))
  #b=array(((0,0,0,0),(0,0,0,0),(0,0,1,0),(0,0,0,0)))
  #bw=array(((0.3086,0.6094,0.0820,0)))
  #r2=array(((1,0,0,0)))
  #ImageMac.showNumeric(em.GetNumericN(0),"frame 0",1)
  #print em.GetNumericN(500).shape
  #print "original (1,1)",em.GetNumericN(0)[100,100]
  #print "product shape ",innerproduct(em.GetNumericN(0),r).shape
  #print "product (1,1) ",innerproduct(em.GetNumericN(0),r)[100,100]
  
  #ImageMac.showNumeric(ImageMac.BWImage(em.GetNumericN(50)))
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(500),r),"frame 500r",2)
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(500),g),"frame 500g",2)
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(500),b),"frame 500b",2)
  
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(500),r2),"frame 500r2",2)
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(10),bw),"frame 0bw",1)
  #ImageMac.showNumeric(innerproduct(em.GetNumericN(400),bw),"frame 10bw",1)
  #colordif=(em.GetNumericN(100)-em.GetNumericN(10))+(255,255,255,255)
  #colordif=colordif/2
  #ImageMac.showNumeric(colordif,"colordif",1)
  #ImageMac.showNumeric(ImageMac.BWImage(colordif),"bwcolordif",1)
  ilut=arange(0,256)
  #ilut[118]=255
  #ilut[119]=255
  #ilut[120]=255
  ilut[121]=255
  ilut[122]=255
  ilut[123]=255
  ilut[124]=255
  ilut[125]=255
  ilut[126]=255
  ilut[127]=255
  ilut[128]=255
  ilut[129]=255
  #ilut[130]=255
  #ilut[131]=255
  #ilut[132]=255
  mlut=ones(256)
  mlut[118]=0
  mlut[119]=0
  mlut[120]=0
  mlut[121]=0
  mlut[122]=0
  mlut[123]=0
  mlut[124]=0
  mlut[125]=0
  mlut[126]=0
  mlut[127]=0
  mlut[128]=0
  mlut[129]=0
  mlut[130]=0
  mlut[131]=0
  mlut[132]=0
  
  ImageMac.showImage(em.GetImageN(100),"provaImg",2)
  ImageMac.showNumeric(em.GetNumericN(100),"provaNum",2)
  ImageMac.showImage(em.GetImageN(100).filter(ImageFilter.SMOOTH),"frame 500",2)
  #image=ImageMac.BWImage(em.GetNumericN(100))
  #ImageMac.showNumeric(image)
  
  
  
  
  
  
  
  
  #difimage=abs(image-ImageMac.BWImage(em.GetNumericN(10)))
  #ImageMac.PlotHisto(difimage,32)
  #ImageMac.showNumeric(difimage)
  #difimage=127+(image-ImageMac.BWImage(em.GetNumericN(10)))/2
  #ImageMac.PlotHisto(difimage,32)
  #ImageMac.showNumeric(difimage)
  #fimage=ImageMac.Filter3x3(16.0,(1,1,1,1,8,1,1,1,1),difimage)
  #ImageMac.showNumeric(fimage)
  #difimage2=choose(fimage.astype(UnsignedInt8),ilut)
  #ImageMac.showNumeric(difimage2)
  
  #(r,g,b,a)=ImageMac.SplitBands(em.GetNumericN(10))
  #ImageMac.showNumeric(r,"r")
  #ImageMac.showNumeric(g,"g")
  #ImageMac.showNumeric(b,"b")
  #ImageMac.showNumeric(a,"a")
  #bwdif=abs(((innerproduct(em.GetNumericN(400),bw)-innerproduct(em.GetNumericN(10),bw))+255)/2)
  #ImageMac.showNumeric(bwdif,"frame diff/bw",1)
  #ImageMac.PlotHisto(bwdif)
  #ImageMac.showNumeric(choose(bwdif.astype(UnsignedInt8),ilut),"frame diff/bw",1)
  #ImageMac.PlotHisto(choose(bwdif.astype(UnsignedInt8),ilut))
  #bwimage=ImageMac.BWImage(em.GetNumericN(100))
  #ImageMac.showNumeric((ImageMac.BWImage(em.GetNumericN(90))+ImageMac.BWImage(em.GetNumericN(110))+ImageMac.BWImage(em.GetNumericN(130))+ImageMac.BWImage(em.GetNumericN(150))+ImageMac.BWImage(em.GetNumericN(170)))/5)
  #bwdif=abs(((bwimage-ImageMac.BWImage(em.GetNumericN(10)))+255)/2)
  #ImageMac.showNumeric(bwimage,"original frame",1)
  #ImageMac.showNumeric(bwdif,"frame diff/bw",1)
  #ImageMac.PlotHisto(bwdif)
  #ImageMac.showNumeric(choose(bwdif.astype(UnsignedInt8),ilut),"frame diff/bw",1)
  #mmask=choose(bwdif.astype(UnsignedInt8),mlut)
  #ImageMac.showNumeric(255-255*mmask,"frame diff/bw",1)
  #mmask.shape=bwimage.shape
  #ImageMac.showNumeric(mmask*bwimage,"frame diff/bw",1)
  
  #ImageMac.showNumeric((innerproduct(em.GetNumericN(300),bw)-innerproduct(em.GetNumericN(0),bw)),"frame diff/bw",1)
  #ImageMac.showNumeric((innerproduct(em.GetNumericN(400)-em.GetNumericN(10),bw)),"frame diff2/bw",1)
  #cdif=em.GetNumericN(400)-em.GetNumericN(10)
  #ImageMac.showNumeric(,"frame diff2/bw",1)
  
  #ImageMac.showNumeric(innerproduct(cdif,r),"frame 500r",1)
  #ImageMac.showNumeric(innerproduct(cdif,g),"frame 500g",1)
  #ImageMac.showNumeric(innerproduct(cdif,b),"frame 500b",1)
def test2():
  Qt.EnterMovies()
  m=GetMovieFromOpenFile()
  if m==None:
    print "no movie opened"
  else:
    em=ExtMovie(m)
    print "Total frames: ",em.frames,"  Current frame:",em.curFrame
    ImageMac.showImage(em.GetImage(),"frame 0",1)

if __name__ == '__main__':
  test2()
    
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