souffleur/oggStream.py

   1 __name__="oggStream - class of stream in OGG files"
   2 __author__="Maxim Litvinov (aka DarakuTenshi) otaky<at>ukr.net"
   3
   4 import os
   5
   6 OGG_STREAM_VIDEO=1
   7 OGG_STREAM_AUDIO=2
   8 OGG_STREAM_TEXT=3
   9
  10 class oggStream:
  11     """
  12     Class for processing stream in OGG file.
  13     """
  14 #==============================================================================
  15     def __init__(self, streamSerial, streamType, streamSource):
  16         """
  17         @brief Constructor of oggStream class
  18         @param[IN] streamSerial - serial number of stream in OGG file
  19         @param[IN] streamType - one char type id of stream (output from ogginfo tool)
  20         """
  21         self.serial=streamSerial
  22         self.source=streamSource
  23         self.intType=0
  24         self.strType=""
  25         if(streamType=="v"): self.strType="video"; self.intType=OGG_STREAM_VIDEO
  26         if(streamType=="a"): self.strType="audio"; self.intType=OGG_STREAM_AUDIO
  27         if(streamType=="t"): self.strType="text"; self.intType=OGG_STREAM_TEXT
  28         self.attrNames=[]
  29         self.attrValues=[]
  30         return
  31 #==============================================================================
  32     def getSource(self):
  33         """
  34         Return stream source
  35         """
  36         return self.source;
  37 #==============================================================================
  38     def getType(self):
  39         """
  40         Return integer value of type of stream
  41         """
  42         return self.intType
  43 #==============================================================================
  44     def getStrType(self):
  45         """
  46         Return string value of type of stream
  47         """
  48         return self.strType
  49 #==============================================================================
  50     def getSerial(self):
  51         """
  52         Return serial number of stream
  53         """
  54         return self.serial
  55 #==============================================================================
  56     def getAttr(self, attrIndex):
  57         """
  58         @brief return attribute of stream.
  59
  60         This function return list of attribute name and attribute value,
  61         by index.
  62         @param[IN] attrIndex - index of requested attribute.
  63         @return list where 0 element is attribute name, and 1st - value.
  64         """
  65         RET=[]
  66         RET.append(self.attrNames[attrIndex])
  67         RET.append(self.attrValues[attrIndex])
  68         return RET
  69 #==============================================================================
  70     def addAttr(self, attrName, attrValue):
  71         """
  72         @brief add attribute to stream
  73
  74         @param[IN] attrName - name of attribute
  75         @param[IN] attrValue - value of attribute
  76         """
  77         self.attrNames.append(attrName)
  78         self.attrValues.append(attrValue)
  79         return
  80 #==============================================================================
  81     def getAttrNumber(self):
  82         """
  83         Get number of attributes.
  84         @return Attributes number.
  85         """
  86         return len(self.attrNames)
  87 #==============================================================================