Commit ae72b048 authored by Lev Walkin's avatar Lev Walkin

MHEG5

parent 75d76b40
......@@ -12,3 +12,6 @@ To compile the files using asn1c, try
1. The ./sample.source.PKIX1 directory contains the X.509 Certificate decoder.
2. The ./sample.source.TAP3 directory contains the GSM TAP3 decoder. Please
read the README file in that directory first.
3. The ./sample.source.MHEG5 directory contains the decoder for
ISO 13522 MHEG-5/ITU-T T.172 (Multimedia Hypermedia Experts Group,
Multimedia Presentations).
This diff is collapsed.
GENERAL INFORMATION
===================
The ISO MHEG-5 (Multimedia Hypermedia Experts Group,
Multimedia Presentations) decoder.
Invoking `make` will compile the ASN.1 specifications from the
../ISO13522-MHEG-5.asn file.
THERE IS NO ISO13522-MHEG-5.asn FILE THERE YET!
OBTAINING THE MHEG-5 SPECIFICATION
==================================
To obtain the MHEG-5 ASN.1 specification, you should go to
http://www.itu.int/ITU-T/asn1/database/itu-t/t/t172
and select the latest "Text" version of the corresponding ASN.1 module.
After obtaining the ISO13522-MHEG-5.asn, type `make` in the directory
containing this README file.
mheg5dump USAGE
===============
The mheg5dump utility may be used to dump the contents of the BER-encoded
MHEG-5 data record file:
./mheg5dump -x tapfile.der # Print as XML (BASIC-XER)
If necessary, a straightforward modification of the
../../skeletons/asn-decoder-template.c
will allow you to build a converter from the XML (XER) MHEG-5 format
back into binary (BER).
The full list of recognized command line options may be obtained with
> ./mheg5dump -h
Usage: ./mheg5dump [options] <data.ber> ...
Where options are:
-b <size> Set the i/o buffer size (default is 8192)
-c Check ASN.1 constraints after decoding
-d Enable debugging (-dd is even better)
-n <num> Process files <num> times
-s <size> Set the stack usage limit
-p Print out the decoded contents
-x Print out as XML
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