python实现的dos窗口播放器

# -*- coding: utf-8 -*-
#auth:liyzh
import sys
import time
lyric={"00:00":u"还记得许多年前的春天","00:04":u"那时的我还没剪去长发",
       "00:08":u"没有信用卡也没有她","00:12":u"没有24小时热水的家",
       "00:16":u"可当初的我是那么快乐","00:20":u"虽然只有一把破木吉他",
       "00:24":u"在街上在桥下在田野中","00:28":u"唱着那无人问津的歌谣",
       "00:32":u"如果有一天我老无所依","00:40":u"请把我留在在那时光里",
       "00:48":u"如果有一天我悄然离去","00:56":u"请把我埋在这春天里",
       "01:05":u"还记得那些寂寞的春天","01:09":u"那时的我还没留起胡须",
       "01:13":u"没有情人节也没有礼物","01:17":u"没有我那可爱的小公主",
       "01:21":u"可我觉得一切没那么糟","01:25":u"虽然我只有对爱的幻想",
       "01:29":u"在清晨在夜晚在风中","01:33":u"唱着那无人问津的歌谣",
       "01:37":u"也许有一天我老无所依","01:45":u"请把我留在在那时光里",
       "01:53":u"如果有一天我悄然离去","02:01":u"请把我埋在这春天里","02:09":u"春天里",
       "02:41":u"凝视着此刻烂漫的春天","02:45":u"依然象那时温暖的模样",
       "02:49":u"我剪去长发留起了胡须","02:53":u"曾经的苦痛都随风而去",
       "02:57":u"可我感觉却是那么悲伤","03:01":u"岁月留给我更深的迷惘",
       "03:05":u"在这阳光明媚的春天里","03:09":u"我的眼泪忍不住的流淌",
       "03:13":u"也许有一天我老无所依","03:21":u"请把我留在在那时光里",
       "03:29":u"如果有一天我悄然离去","03:37":u"请把我埋在这春天里",
       "03:45":u"如果有一天我老无所依","03:53":u"请把我留在在这春天里",
       "04:01":u"如果有一天我悄然离去","04:09":u"请把我埋在这春天里","04:18":u"春天里"
       }
EMULATE=0
def aplayer( name, card, rate, tt ):
  import pymedia.muxer as muxer, pymedia.audio.acodec as acodec, pymedia.audio.sound as sound
  import time
  dm= muxer.Demuxer( str.split( name, '.' )[ -1 ].lower() )
  snds= sound.getODevices()
  if card not in range( len( snds ) ):
    raise 'Cannot play sound to non existent device %d out of %d' % ( card+ 1, len( snds ) )
  f= open( name, 'rb' )
  snd= resampler= dec= None
  s= f.read( 32000 )
  t= 0
  value = ""
  start = time.clock()
  while len( s ):
    #print linecache.getline('spring.txt', int(random.random()*47))
    dd = time.clock()-start
    if(dd<60):
      key = "00:%02.f" % dd
      if lyric.get(key)!=None:
        if lyric.get(key)!=value:
          print "........"+lyric.get(key)+"......../n"
          value = lyric.get(key)
    else:
      ss = int(dd/60)
      mm = dd%60
      key = "%02d:%02.f" % (ss,mm)
      if lyric.get(key)!=None:
        if lyric.get(key)!=value:
          print "........"+lyric.get(key)+"......../n"
          value = lyric.get(key)
    frames= dm.parse( s )
    if frames:
      for fr in frames:
        # Assume for now only audio streams
        if dec== None:
          #print dm.getHeaderInfo(), dm.streams
          dec= acodec.Decoder( dm.streams[ fr[ 0 ] ] )
       
        r= dec.decode( fr[ 1 ] )
        if r and r.data:
          if snd== None:
            #print 'Opening sound with %d channels -> %s' % ( r.channels, snds[ card ][ 'name' ] )
            snd= sound.Output( int( r.sample_rate* rate ), r.channels, sound.AFMT_S16_LE, card )
            if rate< 1 or rate> 1:
              resampler= sound.Resampler( (r.sample_rate,r.channels), (int(r.sample_rate/rate),r.channels) )
              print 'Sound resampling %d->%d' % ( r.sample_rate, r.sample_rate/rate )
         
          data= r.data
          if resampler:
            data= resampler.resample( data )
          if EMULATE:
            # Calc delay we should wait to emulate snd.play()
            d= len( data )/ float( r.sample_rate* r.channels* 2 )
            time.sleep( d )
            if int( t+d )!= int( t ):
              print 'playing: %d sec/r' % ( t+d ),
            t+= d
          else:
            snd.play( data )
    if tt> 0:
      if snd and snd.getPosition()> tt:
        break
   
    s= f.read( 512 )
  while snd.isPlaying():
    time.sleep( .05 )
while(True):
  aplayer("spring.mp3",0,1,-1)