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-rw-r--r--PIL/MpegImagePlugin.py83
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diff --git a/PIL/MpegImagePlugin.py b/PIL/MpegImagePlugin.py
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--- a/PIL/MpegImagePlugin.py
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-#
-# The Python Imaging Library.
-# $Id: MpegImagePlugin.py 2134 2004-10-06 08:55:20Z fredrik $
-#
-# MPEG file handling
-#
-# History:
-# 95-09-09 fl Created
-#
-# Copyright (c) Secret Labs AB 1997.
-# Copyright (c) Fredrik Lundh 1995.
-#
-# See the README file for information on usage and redistribution.
-#
-
-__version__ = "0.1"
-
-import array, string
-import Image, ImageFile
-
-#
-# Bitstream parser
-
-class BitStream:
-
- def __init__(self, fp):
- self.fp = fp
- self.bits = 0
- self.bitbuffer = 0
-
- def next(self):
- return ord(self.fp.read(1))
-
- def peek(self, bits):
- while self.bits < bits:
- c = self.next()
- if c < 0:
- self.bits = 0
- continue
- self.bitbuffer = (self.bitbuffer << 8) + c
- self.bits = self.bits + 8
- return self.bitbuffer >> (self.bits - bits) & (1L << bits) - 1
-
- def skip(self, bits):
- while self.bits < bits:
- self.bitbuffer = (self.bitbuffer << 8) + ord(self.fp.read(1))
- self.bits = self.bits + 8
- self.bits = self.bits - bits
-
- def read(self, bits):
- v = self.peek(bits)
- self.bits = self.bits - bits
- return v
-
-##
-# Image plugin for MPEG streams. This plugin can identify a stream,
-# but it cannot read it.
-
-class MpegImageFile(ImageFile.ImageFile):
-
- format = "MPEG"
- format_description = "MPEG"
-
- def _open(self):
-
- s = BitStream(self.fp)
-
- if s.read(32) != 0x1B3:
- raise SyntaxError, "not an MPEG file"
-
- self.mode = "RGB"
- self.size = s.read(12), s.read(12)
-
-
-# --------------------------------------------------------------------
-# Registry stuff
-
-Image.register_open("MPEG", MpegImageFile)
-
-Image.register_extension("MPEG", ".mpg")
-Image.register_extension("MPEG", ".mpeg")
-
-Image.register_mime("MPEG", "video/mpeg")