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Media Gallery 1996 January
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MG_0196.ISO
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mpegfix
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1995-08-17
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┌────────────────────────────────────────────────────────────────────────────┐
│ M P E G F I X Vers. 1.01 (c) 1995 SPEA Software AG │
└────────────────────────────────────────────────────────────────────────────┘
usage: MPEGFIX <input filename> [ <output filename> ] [ -c<#cuts> ]
number of cuts <#cuts> may range from 0 to 5 (default: 1)
------------------------------------------------------------------------------
MPEGFIX is a tool, which cuts audio frames causing corrupted pictures
out of an MPEG file.
This file removes problems with green rectangles at the beginning
of optibase coded MPEG files with a datarate of more than 168kb/s.
Due to a failure of the optibase coder, to much audio packages are
generated at the beginning of this files.
The program removes only the second audio package. Normally it should be
sufficiant to use this program once. Whilest using this program, no
quality reduction occures do to the time stamp MPEG synchronisation.
You may start it without parameters to get some usage information (see above).
The following parameters may be given:
1) <input filename> the name of the MPEG file to be fixed
2) <output filename> the name of the fixed output file
(optional; default: "input_filname.FIX")
3) -c<#cuts> the number of 'cuts' (audio frames to remove)
(optional; default: 1; range: 0...5)
Changes from Vers. 1.00:
------------------------
1) Parameter '-c' added.
It should not be necessary at most corrupted MPEG files to change the default
value of 1. If you still have green spots, you can fix the output file again,
just like in Vers. 1.00.
The real reason for adding this parameter is, to leave a MPEG file unchanged
except to cut all bytes following the 1st 'END_OF SYSTEM' code in the file.
e.g. 'MPEGFIX IN_FILE.MPG -C0'
2) There are MPEG-Files with inconsistent packet lengths. Often ther are zero-
bytes from end of the packet to the next start code.
MPEGFIX Vers. 1.00 stops with an error message 'illegal packet start code'
in this case.
MPEGFIX Vers. 1.01 ignores these bytes (up to 5000) and continues with the
next detected start code.
-- 07/20/95 --