souffleur/oggStreams.py

   1 __name__="oggStreams - class of streams in OGG files"
   2 __author__="Maxim Litvinov (aka DarakuTenshi) otaky<at>ukr.net"
   3
   4 import os
   5 import re
   6
   7 import oggStream
   8
   9 class oggStreams:
  10     """
  11     Class for work with OGG.
  12     """
  13     def __init__(self, fileName):
  14         """
  15         Constructor of oggStreams class.
  16         @param[IN] fileName - name of OGG file.
  17         """
  18         #Run ogminfo util on given file.
  19         OGMINFO=os.popen("ogminfo -v \"" + fileName + "\"", "r")
  20         if(OGMINFO==None): return NULL
  21         STAT=OGMINFO.readlines() #Output data from ogminfo to the list of strings.
  22         OGMINFO.close()
  23
  24         self.streams={}
  25         for i in STAT:
  26             #Stream info
  27             regSTAT=re.compile("\(ogminfo.c\) [(](\w)(\d)[/](\S+) (\d)[)] (\S+)")
  28             mathSTAT=regSTAT.match(i)
  29             if mathSTAT!=None:
  30                 HASH=mathSTAT.group(1)+mathSTAT.group(2)
  31                 self.streams[HASH]=oggStream.oggStream(mathSTAT.group(4), mathSTAT.group(1), fileName)
  32             #Stream attribute
  33             regSTAT=re.compile("\(ogminfo.c\) (\S+)[:](\s+)(\S+)[=]([\S\s]+)[\n]")
  34             mathSTAT=regSTAT.match(i)
  35             if mathSTAT!=None:
  36                 OGGStream=self.streams[mathSTAT.group(1)]
  37                 OGGStream.addAttr(mathSTAT.group(3), mathSTAT.group(4))
  38         return
  39 #==============================================================================
  40     def getStreams(self):
  41         """
  42             This function return a list of streams.
  43         """
  44         return self.streams.values()
  45 #==============================================================================