mirror of https://gerrit.osmocom.org/osmo-tetra
Update the Codec Download instructions and include a shell script
Change-Id: Ia943a38e422e23e70f73d9672554633c014f6da7
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@ -2,5 +2,36 @@ This directory contains a series of patches against the TETRA codec reference
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source code as published by the ETSI at in the file named
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source code as published by the ETSI at in the file named
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en_30039502v010301p0.zip
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en_30039502v010301p0.zip
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You can proceed two ways, a or b:
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a) Using the download_and_patch.sh script
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simply execute ./download_and_patch.sh which will download the
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reference codec from the ETSI website and patch it accordingly.
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b) Manually
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Modified instructions as of 20141118 (differs from the osmocom description,
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the ETSI site looks different now):
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In order to obtain the codec, download it directly from
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http://www.etsi.org/deliver/etsi_en/300300_300399/30039502/01.03.01_60/en_30039502v010301p0.zip
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or use the following procedure:
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* go to http://pda.etsi.org/
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* enter "en 300 395-2" as search term
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* execute the search, there should a result called "REN/TETRA-05059 "
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* click on the 'Download icon' link (zip-vice symbol)
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* you should now have a file called en_30039502v010301p0.zip
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Please also see https://osmocom.org/projects/tetra/wiki/Speech_Codec
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The en_30039502v010301p0.zip file has 361169 bytes, and has the md5sum:
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a8115fe68ef8f8cc466f4192572a1e3e
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Due to the use of uppercase file names in the zip file, you should use the "-L"
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Due to the use of uppercase file names in the zip file, you should use the "-L"
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flag to the unzip program, which ensures all files are completely lower-case.
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flag to the unzip program, which ensures all files are completely lower-case.
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Please apply all of the patches foudn in this directory to the
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resulting source code.
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@ -0,0 +1,40 @@
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#!/bin/sh
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URL=http://www.etsi.org/deliver/etsi_en/300300_300399/30039502/01.03.01_60/en_30039502v010301p0.zip
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MD5_EXP=a8115fe68ef8f8cc466f4192572a1e3e
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LOCAL_FILE=etsi_tetra_codec.zip
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PATCHDIR=`pwd`
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CODECDIR=`pwd`/../codec
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echo Deleting $CODECDIR ...
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[ -e $CODECDIR ] && rm -rf $CODECDIR
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echo Creating $CODECDIR ...
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mkdir $CODECDIR
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if [ ! -f $LOCAL_FILE ]; then
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echo Downloading $URL ...
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wget -O $LOCAL_FILE $URL
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else
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echo Skipping download, file $LOCAL_FILE exists
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fi
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MD5=`md5sum $LOCAL_FILE | awk '{ print $1 }'`
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echo Checking MD5SUM ...
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if [ $MD5 != $MD5_EXP ]; then
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print "MD5sum of ETSI reference codec file doesn't match"
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exit 1
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fi
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echo Unpacking ZIP ...
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cd $CODECDIR
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unzip -L $PATCHDIR/etsi_tetra_codec.zip
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echo Applying Patches ...
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for p in `cat "$PATCHDIR/series"`; do
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echo "=> Applying patch '$p'..."
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patch -p1 < "$PATCHDIR/$p"
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done
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echo Done!
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